diff --git a/static/scripts/libs/d3.js b/static/scripts/libs/d3.js
index bb850ff5d14..143815e8564 100644
--- a/static/scripts/libs/d3.js
+++ b/static/scripts/libs/d3.js
@@ -1,9384 +1,8438 @@
-(function(){if (!Date.now) Date.now = function() {
-  return +new Date;
-};
-try {
-  document.createElement("div").style.setProperty("opacity", 0, "");
-} catch (error) {
-  var d3_style_prototype = CSSStyleDeclaration.prototype,
-      d3_style_setProperty = d3_style_prototype.setProperty;
-  d3_style_prototype.setProperty = function(name, value, priority) {
-    d3_style_setProperty.call(this, name, value + "", priority);
+d3 = function() {
+  var d3 = {
+    version: "3.1.4"
   };
-}
-d3 = {version: "2.9.2"}; // semver
-function d3_class(ctor, properties) {
+  if (!Date.now) Date.now = function() {
+    return +new Date();
+  };
+  var d3_document = document, d3_window = window;
   try {
-    for (var key in properties) {
-      Object.defineProperty(ctor.prototype, key, {
-        value: properties[key],
-        enumerable: false
-      });
-    }
-  } catch (e) {
-    ctor.prototype = properties;
-  }
-}
-var d3_array = d3_arraySlice; // conversion for NodeLists
-
-function d3_arrayCopy(pseudoarray) {
-  var i = -1, n = pseudoarray.length, array = [];
-  while (++i < n) array.push(pseudoarray[i]);
-  return array;
-}
-
-function d3_arraySlice(pseudoarray) {
-  return Array.prototype.slice.call(pseudoarray);
-}
-
-try {
-  d3_array(document.documentElement.childNodes)[0].nodeType;
-} catch(e) {
-  d3_array = d3_arrayCopy;
-}
-
-var d3_arraySubclass = [].__proto__?
-
-// Until ECMAScript supports array subclassing, prototype injection works well.
-function(array, prototype) {
-  array.__proto__ = prototype;
-}:
-
-// And if your browser doesn't support __proto__, we'll use direct extension.
-function(array, prototype) {
-  for (var property in prototype) array[property] = prototype[property];
-};
-d3.map = function(object) {
-  var map = new d3_Map;
-  for (var key in object) map.set(key, object[key]);
-  return map;
-};
-
-function d3_Map() {}
-
-d3_class(d3_Map, {
-  has: function(key) {
-    return d3_map_prefix + key in this;
-  },
-  get: function(key) {
-    return this[d3_map_prefix + key];
-  },
-  set: function(key, value) {
-    return this[d3_map_prefix + key] = value;
-  },
-  remove: function(key) {
-    key = d3_map_prefix + key;
-    return key in this && delete this[key];
-  },
-  keys: function() {
-    var keys = [];
-    this.forEach(function(key) { keys.push(key); });
-    return keys;
-  },
-  values: function() {
-    var values = [];
-    this.forEach(function(key, value) { values.push(value); });
-    return values;
-  },
-  entries: function() {
-    var entries = [];
-    this.forEach(function(key, value) { entries.push({key: key, value: value}); });
-    return entries;
-  },
-  forEach: function(f) {
-    for (var key in this) {
-      if (key.charCodeAt(0) === d3_map_prefixCode) {
-        f.call(this, key.substring(1), this[key]);
-      }
-    }
-  }
-});
-
-var d3_map_prefix = "\0", // prevent collision with built-ins
-    d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
-function d3_identity(d) {
-  return d;
-}
-function d3_this() {
-  return this;
-}
-function d3_true() {
-  return true;
-}
-function d3_functor(v) {
-  return typeof v === "function" ? v : function() { return v; };
-}
-
-d3.functor = d3_functor;
-// Copies a variable number of methods from source to target.
-d3.rebind = function(target, source) {
-  var i = 1, n = arguments.length, method;
-  while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
-  return target;
-};
-
-// Method is assumed to be a standard D3 getter-setter:
-// If passed with no arguments, gets the value.
-// If passed with arguments, sets the value and returns the target.
-function d3_rebind(target, source, method) {
-  return function() {
-    var value = method.apply(source, arguments);
-    return arguments.length ? target : value;
-  };
-}
-d3.ascending = function(a, b) {
-  return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-};
-d3.descending = function(a, b) {
-  return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
-};
-d3.mean = function(array, f) {
-  var n = array.length,
-      a,
-      m = 0,
-      i = -1,
-      j = 0;
-  if (arguments.length === 1) {
-    while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
-  } else {
-    while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
-  }
-  return j ? m : undefined;
-};
-d3.median = function(array, f) {
-  if (arguments.length > 1) array = array.map(f);
-  array = array.filter(d3_number);
-  return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
-};
-d3.min = function(array, f) {
-  var i = -1,
-      n = array.length,
-      a,
-      b;
-  if (arguments.length === 1) {
-    while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = array[i]) != null && a > b) a = b;
-  } else {
-    while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
-  }
-  return a;
-};
-d3.max = function(array, f) {
-  var i = -1,
-      n = array.length,
-      a,
-      b;
-  if (arguments.length === 1) {
-    while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = array[i]) != null && b > a) a = b;
-  } else {
-    while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
-  }
-  return a;
-};
-d3.extent = function(array, f) {
-  var i = -1,
-      n = array.length,
-      a,
-      b,
-      c;
-  if (arguments.length === 1) {
-    while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
-    while (++i < n) if ((b = array[i]) != null) {
-      if (a > b) a = b;
-      if (c < b) c = b;
-    }
-  } else {
-    while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
-      if (a > b) a = b;
-      if (c < b) c = b;
-    }
-  }
-  return [a, c];
-};
-d3.random = {
-  normal: function(mean, deviation) {
-    if (arguments.length < 2) deviation = 1;
-    if (arguments.length < 1) mean = 0;
-    return function() {
-      var x, y, r;
-      do {
-        x = Math.random() * 2 - 1;
-        y = Math.random() * 2 - 1;
-        r = x * x + y * y;
-      } while (!r || r > 1);
-      return mean + deviation * x * Math.sqrt(-2 * Math.log(r) / r);
+    d3_document.createElement("div").style.setProperty("opacity", 0, "");
+  } catch (error) {
+    var d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+    d3_style_prototype.setProperty = function(name, value, priority) {
+      d3_style_setProperty.call(this, name, value + "", priority);
     };
   }
-};
-function d3_number(x) {
-  return x != null && !isNaN(x);
-}
-d3.sum = function(array, f) {
-  var s = 0,
-      n = array.length,
-      a,
-      i = -1;
-
-  if (arguments.length === 1) {
-    while (++i < n) if (!isNaN(a = +array[i])) s += a;
-  } else {
-    while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
-  }
-
-  return s;
-};
-// R-7 per <http://en.wikipedia.org/wiki/Quantile>
-d3.quantile = function(values, p) {
-  var H = (values.length - 1) * p + 1,
-      h = Math.floor(H),
-      v = values[h - 1],
-      e = H - h;
-  return e ? v + e * (values[h] - v) : v;
-};
-d3.transpose = function(matrix) {
-  return d3.zip.apply(d3, matrix);
-};
-d3.zip = function() {
-  if (!(n = arguments.length)) return [];
-  for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) {
-    for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) {
-      zip[j] = arguments[j][i];
-    }
-  }
-  return zips;
-};
-
-function d3_zipLength(d) {
-  return d.length;
-}
-d3.bisector = function(f) {
-  return {
-    left: function(a, x, lo, hi) {
-      if (arguments.length < 3) lo = 0;
-      if (arguments.length < 4) hi = a.length;
-      while (lo < hi) {
-        var mid = lo + hi >> 1;
-        if (f.call(a, a[mid], mid) < x) lo = mid + 1;
-        else hi = mid;
-      }
-      return lo;
-    },
-    right: function(a, x, lo, hi) {
-      if (arguments.length < 3) lo = 0;
-      if (arguments.length < 4) hi = a.length;
-      while (lo < hi) {
-        var mid = lo + hi >> 1;
-        if (x < f.call(a, a[mid], mid)) hi = mid;
-        else lo = mid + 1;
-      }
-      return lo;
-    }
+  d3.ascending = function(a, b) {
+    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
   };
-};
-
-var d3_bisector = d3.bisector(function(d) { return d; });
-d3.bisectLeft = d3_bisector.left;
-d3.bisect = d3.bisectRight = d3_bisector.right;
-d3.first = function(array, f) {
-  var i = 0,
-      n = array.length,
-      a = array[0],
-      b;
-  if (arguments.length === 1) f = d3.ascending;
-  while (++i < n) {
-    if (f.call(array, a, b = array[i]) > 0) {
-      a = b;
+  d3.descending = function(a, b) {
+    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+  };
+  d3.min = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+    } else {
+      while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
     }
-  }
-  return a;
-};
-d3.last = function(array, f) {
-  var i = 0,
-      n = array.length,
-      a = array[0],
-      b;
-  if (arguments.length === 1) f = d3.ascending;
-  while (++i < n) {
-    if (f.call(array, a, b = array[i]) <= 0) {
-      a = b;
-    }
-  }
-  return a;
-};
-d3.nest = function() {
-  var nest = {},
-      keys = [],
-      sortKeys = [],
-      sortValues,
-      rollup;
-
-  function map(array, depth) {
-    if (depth >= keys.length) return rollup
-        ? rollup.call(nest, array) : (sortValues
-        ? array.sort(sortValues)
-        : array);
-
-    var i = -1,
-        n = array.length,
-        key = keys[depth++],
-        keyValue,
-        object,
-        valuesByKey = new d3_Map,
-        values,
-        o = {};
-
-    while (++i < n) {
-      if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
-        values.push(object);
-      } else {
-        valuesByKey.set(keyValue, [object]);
-      }
-    }
-
-    valuesByKey.forEach(function(keyValue) {
-      o[keyValue] = map(valuesByKey.get(keyValue), depth);
-    });
-
-    return o;
-  }
-
-  function entries(map, depth) {
-    if (depth >= keys.length) return map;
-
-    var a = [],
-        sortKey = sortKeys[depth++],
-        key;
-
-    for (key in map) {
-      a.push({key: key, values: entries(map[key], depth)});
-    }
-
-    if (sortKey) a.sort(function(a, b) {
-      return sortKey(a.key, b.key);
-    });
-
     return a;
-  }
-
-  nest.map = function(array) {
-    return map(array, 0);
   };
-
-  nest.entries = function(array) {
-    return entries(map(array, 0), 0);
-  };
-
-  nest.key = function(d) {
-    keys.push(d);
-    return nest;
-  };
-
-  // Specifies the order for the most-recently specified key.
-  // Note: only applies to entries. Map keys are unordered!
-  nest.sortKeys = function(order) {
-    sortKeys[keys.length - 1] = order;
-    return nest;
-  };
-
-  // Specifies the order for leaf values.
-  // Applies to both maps and entries array.
-  nest.sortValues = function(order) {
-    sortValues = order;
-    return nest;
-  };
-
-  nest.rollup = function(f) {
-    rollup = f;
-    return nest;
-  };
-
-  return nest;
-};
-d3.keys = function(map) {
-  var keys = [];
-  for (var key in map) keys.push(key);
-  return keys;
-};
-d3.values = function(map) {
-  var values = [];
-  for (var key in map) values.push(map[key]);
-  return values;
-};
-d3.entries = function(map) {
-  var entries = [];
-  for (var key in map) entries.push({key: key, value: map[key]});
-  return entries;
-};
-d3.permute = function(array, indexes) {
-  var permutes = [],
-      i = -1,
-      n = indexes.length;
-  while (++i < n) permutes[i] = array[indexes[i]];
-  return permutes;
-};
-d3.merge = function(arrays) {
-  return Array.prototype.concat.apply([], arrays);
-};
-d3.split = function(array, f) {
-  var arrays = [],
-      values = [],
-      value,
-      i = -1,
-      n = array.length;
-  if (arguments.length < 2) f = d3_splitter;
-  while (++i < n) {
-    if (f.call(values, value = array[i], i)) {
-      values = [];
+  d3.max = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
     } else {
-      if (!values.length) arrays.push(values);
-      values.push(value);
-    }
-  }
-  return arrays;
-};
-
-function d3_splitter(d) {
-  return d == null;
-}
-function d3_collapse(s) {
-  return s.replace(/(^\s+)|(\s+$)/g, "").replace(/\s+/g, " ");
-}
-d3.range = function(start, stop, step) {
-  if (arguments.length < 3) {
-    step = 1;
-    if (arguments.length < 2) {
-      stop = start;
-      start = 0;
-    }
-  }
-  if ((stop - start) / step === Infinity) throw new Error("infinite range");
-  var range = [],
-       k = d3_range_integerScale(Math.abs(step)),
-       i = -1,
-       j;
-  start *= k, stop *= k, step *= k;
-  if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k);
-  else while ((j = start + step * ++i) < stop) range.push(j / k);
-  return range;
-};
-
-function d3_range_integerScale(x) {
-  var k = 1;
-  while (x * k % 1) k *= 10;
-  return k;
-}
-d3.requote = function(s) {
-  return s.replace(d3_requote_re, "\\$&");
-};
-
-var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-d3.round = function(x, n) {
-  return n
-      ? Math.round(x * (n = Math.pow(10, n))) / n
-      : Math.round(x);
-};
-d3.xhr = function(url, mime, callback) {
-  var req = new XMLHttpRequest;
-  if (arguments.length < 3) callback = mime, mime = null;
-  else if (mime && req.overrideMimeType) req.overrideMimeType(mime);
-  req.open("GET", url, true);
-  if (mime) req.setRequestHeader("Accept", mime);
-  req.onreadystatechange = function() {
-    if (req.readyState === 4) {
-      var s = req.status;
-      callback(s >= 200 && s < 300 || s === 304 ? req : null);
+      while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
     }
+    return a;
   };
-  req.send(null);
-};
-d3.text = function(url, mime, callback) {
-  function ready(req) {
-    callback(req && req.responseText);
-  }
-  if (arguments.length < 3) {
-    callback = mime;
-    mime = null;
-  }
-  d3.xhr(url, mime, ready);
-};
-d3.json = function(url, callback) {
-  d3.text(url, "application/json", function(text) {
-    callback(text ? JSON.parse(text) : null);
-  });
-};
-d3.html = function(url, callback) {
-  d3.text(url, "text/html", function(text) {
-    if (text != null) { // Treat empty string as valid HTML.
-      var range = document.createRange();
-      range.selectNode(document.body);
-      text = range.createContextualFragment(text);
-    }
-    callback(text);
-  });
-};
-d3.xml = function(url, mime, callback) {
-  function ready(req) {
-    callback(req && req.responseXML);
-  }
-  if (arguments.length < 3) {
-    callback = mime;
-    mime = null;
-  }
-  d3.xhr(url, mime, ready);
-};
-var d3_nsPrefix = {
-  svg: "http://www.w3.org/2000/svg",
-  xhtml: "http://www.w3.org/1999/xhtml",
-  xlink: "http://www.w3.org/1999/xlink",
-  xml: "http://www.w3.org/XML/1998/namespace",
-  xmlns: "http://www.w3.org/2000/xmlns/"
-};
-
-d3.ns = {
-  prefix: d3_nsPrefix,
-  qualify: function(name) {
-    var i = name.indexOf(":"),
-        prefix = name;
-    if (i >= 0) {
-      prefix = name.substring(0, i);
-      name = name.substring(i + 1);
-    }
-    return d3_nsPrefix.hasOwnProperty(prefix)
-        ? {space: d3_nsPrefix[prefix], local: name}
-        : name;
-  }
-};
-d3.dispatch = function() {
-  var dispatch = new d3_dispatch,
-      i = -1,
-      n = arguments.length;
-  while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-  return dispatch;
-};
-
-function d3_dispatch() {}
-
-d3_dispatch.prototype.on = function(type, listener) {
-  var i = type.indexOf("."),
-      name = "";
-
-  // Extract optional namespace, e.g., "click.foo"
-  if (i > 0) {
-    name = type.substring(i + 1);
-    type = type.substring(0, i);
-  }
-
-  return arguments.length < 2
-      ? this[type].on(name)
-      : this[type].on(name, listener);
-};
-
-function d3_dispatch_event(dispatch) {
-  var listeners = [],
-      listenerByName = new d3_Map;
-
-  function event() {
-    var z = listeners, // defensive reference
-        i = -1,
-        n = z.length,
-        l;
-    while (++i < n) if (l = z[i].on) l.apply(this, arguments);
-    return dispatch;
-  }
-
-  event.on = function(name, listener) {
-    var l = listenerByName.get(name),
-        i;
-
-    // return the current listener, if any
-    if (arguments.length < 2) return l && l.on;
-
-    // remove the old listener, if any (with copy-on-write)
-    if (l) {
-      l.on = null;
-      listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
-      listenerByName.remove(name);
-    }
-
-    // add the new listener, if any
-    if (listener) listeners.push(listenerByName.set(name, {on: listener}));
-
-    return dispatch;
-  };
-
-  return event;
-}
-// TODO align
-d3.format = function(specifier) {
-  var match = d3_format_re.exec(specifier),
-      fill = match[1] || " ",
-      sign = match[3] || "",
-      zfill = match[5],
-      width = +match[6],
-      comma = match[7],
-      precision = match[8],
-      type = match[9],
-      scale = 1,
-      suffix = "",
-      integer = false;
-
-  if (precision) precision = +precision.substring(1);
-
-  if (zfill) {
-    fill = "0"; // TODO align = "=";
-    if (comma) width -= Math.floor((width - 1) / 4);
-  }
-
-  switch (type) {
-    case "n": comma = true; type = "g"; break;
-    case "%": scale = 100; suffix = "%"; type = "f"; break;
-    case "p": scale = 100; suffix = "%"; type = "r"; break;
-    case "d": integer = true; precision = 0; break;
-    case "s": scale = -1; type = "r"; break;
-  }
-
-  // If no precision is specified for r, fallback to general notation.
-  if (type == "r" && !precision) type = "g";
-
-  type = d3_format_types.get(type) || d3_format_typeDefault;
-
-  return function(value) {
-
-    // Return the empty string for floats formatted as ints.
-    if (integer && (value % 1)) return "";
-
-    // Convert negative to positive, and record the sign prefix.
-    var negative = (value < 0) && (value = -value) ? "\u2212" : sign;
-
-    // Apply the scale, computing it from the value's exponent for si format.
-    if (scale < 0) {
-      var prefix = d3.formatPrefix(value, precision);
-      value = prefix.scale(value);
-      suffix = prefix.symbol;
+  d3.extent = function(array, f) {
+    var i = -1, n = array.length, a, b, c;
+    if (arguments.length === 1) {
+      while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
+      while (++i < n) if ((b = array[i]) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
     } else {
-      value *= scale;
+      while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
     }
-
-    // Convert to the desired precision.
-    value = type(value, precision);
-
-    // If the fill character is 0, the sign and group is applied after the fill.
-    if (zfill) {
-      var length = value.length + negative.length;
-      if (length < width) value = new Array(width - length + 1).join(fill) + value;
-      if (comma) value = d3_format_group(value);
-      value = negative + value;
-    }
-
-    // Otherwise (e.g., space-filling), the sign and group is applied before.
-    else {
-      if (comma) value = d3_format_group(value);
-      value = negative + value;
-      var length = value.length;
-      if (length < width) value = new Array(width - length + 1).join(fill) + value;
-    }
-
-    return value + suffix;
+    return [ a, c ];
   };
-};
-
-// [[fill]align][sign][#][0][width][,][.precision][type]
-var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
-
-var d3_format_types = d3.map({
-  g: function(x, p) { return x.toPrecision(p); },
-  e: function(x, p) { return x.toExponential(p); },
-  f: function(x, p) { return x.toFixed(p); },
-  r: function(x, p) { return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p))); }
-});
-
-function d3_format_precision(x, p) {
-  return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1);
-}
-
-function d3_format_typeDefault(x) {
-  return x + "";
-}
-
-// Apply comma grouping for thousands.
-function d3_format_group(value) {
-  var i = value.lastIndexOf("."),
-      f = i >= 0 ? value.substring(i) : (i = value.length, ""),
-      t = [];
-  while (i > 0) t.push(value.substring(i -= 3, i + 3));
-  return t.reverse().join(",") + f;
-}
-var d3_formatPrefixes = ["y","z","a","f","p","n","μ","m","","k","M","G","T","P","E","Z","Y"].map(d3_formatPrefix);
-
-d3.formatPrefix = function(value, precision) {
-  var i = 0;
-  if (value) {
-    if (value < 0) value *= -1;
-    if (precision) value = d3.round(value, d3_format_precision(value, precision));
-    i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
-    i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
+  d3.sum = function(array, f) {
+    var s = 0, n = array.length, a, i = -1;
+    if (arguments.length === 1) {
+      while (++i < n) if (!isNaN(a = +array[i])) s += a;
+    } else {
+      while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
+    }
+    return s;
+  };
+  function d3_number(x) {
+    return x != null && !isNaN(x);
   }
-  return d3_formatPrefixes[8 + i / 3];
-};
-
-function d3_formatPrefix(d, i) {
-  var k = Math.pow(10, Math.abs(8 - i) * 3);
-  return {
-    scale: i > 8 ? function(d) { return d / k; } : function(d) { return d * k; },
-    symbol: d
+  d3.mean = function(array, f) {
+    var n = array.length, a, m = 0, i = -1, j = 0;
+    if (arguments.length === 1) {
+      while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
+    } else {
+      while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
+    }
+    return j ? m : undefined;
   };
-}
-/*
- * TERMS OF USE - EASING EQUATIONS
- *
- * Open source under the BSD License.
- *
- * Copyright 2001 Robert Penner
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright notice,
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- *
- * - Neither the name of the author nor the names of contributors may be used to
- *   endorse or promote products derived from this software without specific
- *   prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-var d3_ease_quad = d3_ease_poly(2),
-    d3_ease_cubic = d3_ease_poly(3),
-    d3_ease_default = function() { return d3_ease_identity; };
-
-var d3_ease = d3.map({
-  linear: d3_ease_default,
-  poly: d3_ease_poly,
-  quad: function() { return d3_ease_quad; },
-  cubic: function() { return d3_ease_cubic; },
-  sin: function() { return d3_ease_sin; },
-  exp: function() { return d3_ease_exp; },
-  circle: function() { return d3_ease_circle; },
-  elastic: d3_ease_elastic,
-  back: d3_ease_back,
-  bounce: function() { return d3_ease_bounce; }
-});
-
-var d3_ease_mode = d3.map({
-  "in": d3_ease_identity,
-  "out": d3_ease_reverse,
-  "in-out": d3_ease_reflect,
-  "out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); }
-});
-
-d3.ease = function(name) {
-  var i = name.indexOf("-"),
-      t = i >= 0 ? name.substring(0, i) : name,
-      m = i >= 0 ? name.substring(i + 1) : "in";
-  t = d3_ease.get(t) || d3_ease_default;
-  m = d3_ease_mode.get(m) || d3_ease_identity;
-  return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
-};
-
-function d3_ease_clamp(f) {
-  return function(t) {
-    return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+  d3.quantile = function(values, p) {
+    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
+    return e ? v + e * (values[h] - v) : v;
   };
-}
-
-function d3_ease_reverse(f) {
-  return function(t) {
-    return 1 - f(1 - t);
+  d3.median = function(array, f) {
+    if (arguments.length > 1) array = array.map(f);
+    array = array.filter(d3_number);
+    return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
   };
-}
-
-function d3_ease_reflect(f) {
-  return function(t) {
-    return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t)));
-  };
-}
-
-function d3_ease_identity(t) {
-  return t;
-}
-
-function d3_ease_poly(e) {
-  return function(t) {
-    return Math.pow(t, e);
-  };
-}
-
-function d3_ease_sin(t) {
-  return 1 - Math.cos(t * Math.PI / 2);
-}
-
-function d3_ease_exp(t) {
-  return Math.pow(2, 10 * (t - 1));
-}
-
-function d3_ease_circle(t) {
-  return 1 - Math.sqrt(1 - t * t);
-}
-
-function d3_ease_elastic(a, p) {
-  var s;
-  if (arguments.length < 2) p = 0.45;
-  if (arguments.length < 1) { a = 1; s = p / 4; }
-  else s = p / (2 * Math.PI) * Math.asin(1 / a);
-  return function(t) {
-    return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p);
-  };
-}
-
-function d3_ease_back(s) {
-  if (!s) s = 1.70158;
-  return function(t) {
-    return t * t * ((s + 1) * t - s);
-  };
-}
-
-function d3_ease_bounce(t) {
-  return t < 1 / 2.75 ? 7.5625 * t * t
-      : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75
-      : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375
-      : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
-}
-d3.event = null;
-
-function d3_eventCancel() {
-  d3.event.stopPropagation();
-  d3.event.preventDefault();
-}
-
-function d3_eventSource() {
-  var e = d3.event, s;
-  while (s = e.sourceEvent) e = s;
-  return e;
-}
-
-// Like d3.dispatch, but for custom events abstracting native UI events. These
-// events have a target component (such as a brush), a target element (such as
-// the svg:g element containing the brush) and the standard arguments `d` (the
-// target element's data) and `i` (the selection index of the target element).
-function d3_eventDispatch(target) {
-  var dispatch = new d3_dispatch,
-      i = 0,
-      n = arguments.length;
-
-  while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-
-  // Creates a dispatch context for the specified `thiz` (typically, the target
-  // DOM element that received the source event) and `argumentz` (typically, the
-  // data `d` and index `i` of the target element). The returned function can be
-  // used to dispatch an event to any registered listeners; the function takes a
-  // single argument as input, being the event to dispatch. The event must have
-  // a "type" attribute which corresponds to a type registered in the
-  // constructor. This context will automatically populate the "sourceEvent" and
-  // "target" attributes of the event, as well as setting the `d3.event` global
-  // for the duration of the notification.
-  dispatch.of = function(thiz, argumentz) {
-    return function(e1) {
-      try {
-        var e0 =
-        e1.sourceEvent = d3.event;
-        e1.target = target;
-        d3.event = e1;
-        dispatch[e1.type].apply(thiz, argumentz);
-      } finally {
-        d3.event = e0;
+  d3.bisector = function(f) {
+    return {
+      left: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (f.call(a, a[mid], mid) < x) lo = mid + 1; else hi = mid;
+        }
+        return lo;
+      },
+      right: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (x < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1;
+        }
+        return lo;
       }
     };
   };
-
-  return dispatch;
-}
-d3.interpolate = function(a, b) {
-  var i = d3.interpolators.length, f;
-  while (--i >= 0 && !(f = d3.interpolators[i](a, b)));
-  return f;
-};
-
-d3.interpolateNumber = function(a, b) {
-  b -= a;
-  return function(t) { return a + b * t; };
-};
-
-d3.interpolateRound = function(a, b) {
-  b -= a;
-  return function(t) { return Math.round(a + b * t); };
-};
-
-d3.interpolateString = function(a, b) {
-  var m, // current match
-      i, // current index
-      j, // current index (for coallescing)
-      s0 = 0, // start index of current string prefix
-      s1 = 0, // end index of current string prefix
-      s = [], // string constants and placeholders
-      q = [], // number interpolators
-      n, // q.length
-      o;
-
-  // Reset our regular expression!
-  d3_interpolate_number.lastIndex = 0;
-
-  // Find all numbers in b.
-  for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
-    if (m.index) s.push(b.substring(s0, s1 = m.index));
-    q.push({i: s.length, x: m[0]});
-    s.push(null);
-    s0 = d3_interpolate_number.lastIndex;
-  }
-  if (s0 < b.length) s.push(b.substring(s0));
-
-  // Find all numbers in a.
-  for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
-    o = q[i];
-    if (o.x == m[0]) { // The numbers match, so coallesce.
-      if (o.i) {
-        if (s[o.i + 1] == null) { // This match is followed by another number.
-          s[o.i - 1] += o.x;
-          s.splice(o.i, 1);
-          for (j = i + 1; j < n; ++j) q[j].i--;
-        } else { // This match is followed by a string, so coallesce twice.
-          s[o.i - 1] += o.x + s[o.i + 1];
-          s.splice(o.i, 2);
-          for (j = i + 1; j < n; ++j) q[j].i -= 2;
-        }
-      } else {
-          if (s[o.i + 1] == null) { // This match is followed by another number.
-          s[o.i] = o.x;
-        } else { // This match is followed by a string, so coallesce twice.
-          s[o.i] = o.x + s[o.i + 1];
-          s.splice(o.i + 1, 1);
-          for (j = i + 1; j < n; ++j) q[j].i--;
-        }
-      }
-      q.splice(i, 1);
-      n--;
-      i--;
-    } else {
-      o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
-    }
-  }
-
-  // Remove any numbers in b not found in a.
-  while (i < n) {
-    o = q.pop();
-    if (s[o.i + 1] == null) { // This match is followed by another number.
-      s[o.i] = o.x;
-    } else { // This match is followed by a string, so coallesce twice.
-      s[o.i] = o.x + s[o.i + 1];
-      s.splice(o.i + 1, 1);
-    }
-    n--;
-  }
-
-  // Special optimization for only a single match.
-  if (s.length === 1) {
-    return s[0] == null ? q[0].x : function() { return b; };
-  }
-
-  // Otherwise, interpolate each of the numbers and rejoin the string.
-  return function(t) {
-    for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
-    return s.join("");
-  };
-};
-
-d3.interpolateTransform = function(a, b) {
-  var s = [], // string constants and placeholders
-      q = [], // number interpolators
-      n,
-      A = d3.transform(a),
-      B = d3.transform(b),
-      ta = A.translate,
-      tb = B.translate,
-      ra = A.rotate,
-      rb = B.rotate,
-      wa = A.skew,
-      wb = B.skew,
-      ka = A.scale,
-      kb = B.scale;
-
-  if (ta[0] != tb[0] || ta[1] != tb[1]) {
-    s.push("translate(", null, ",", null, ")");
-    q.push({i: 1, x: d3.interpolateNumber(ta[0], tb[0])}, {i: 3, x: d3.interpolateNumber(ta[1], tb[1])});
-  } else if (tb[0] || tb[1]) {
-    s.push("translate(" + tb + ")");
-  } else {
-    s.push("");
-  }
-
-  if (ra != rb) {
-    q.push({i: s.push(s.pop() + "rotate(", null, ")") - 2, x: d3.interpolateNumber(ra, rb)});
-  } else if (rb) {
-    s.push(s.pop() + "rotate(" + rb + ")");
-  }
-
-  if (wa != wb) {
-    q.push({i: s.push(s.pop() + "skewX(", null, ")") - 2, x: d3.interpolateNumber(wa, wb)});
-  } else if (wb) {
-    s.push(s.pop() + "skewX(" + wb + ")");
-  }
-
-  if (ka[0] != kb[0] || ka[1] != kb[1]) {
-    n = s.push(s.pop() + "scale(", null, ",", null, ")");
-    q.push({i: n - 4, x: d3.interpolateNumber(ka[0], kb[0])}, {i: n - 2, x: d3.interpolateNumber(ka[1], kb[1])});
-  } else if (kb[0] != 1 || kb[1] != 1) {
-    s.push(s.pop() + "scale(" + kb + ")");
-  }
-
-  n = q.length;
-  return function(t) {
-    var i = -1, o;
-    while (++i < n) s[(o = q[i]).i] = o.x(t);
-    return s.join("");
-  };
-};
-
-d3.interpolateRgb = function(a, b) {
-  a = d3.rgb(a);
-  b = d3.rgb(b);
-  var ar = a.r,
-      ag = a.g,
-      ab = a.b,
-      br = b.r - ar,
-      bg = b.g - ag,
-      bb = b.b - ab;
-  return function(t) {
-    return "#"
-        + d3_rgb_hex(Math.round(ar + br * t))
-        + d3_rgb_hex(Math.round(ag + bg * t))
-        + d3_rgb_hex(Math.round(ab + bb * t));
-  };
-};
-
-// interpolates HSL space, but outputs RGB string (for compatibility)
-d3.interpolateHsl = function(a, b) {
-  a = d3.hsl(a);
-  b = d3.hsl(b);
-  var h0 = a.h,
-      s0 = a.s,
-      l0 = a.l,
-      h1 = b.h - h0,
-      s1 = b.s - s0,
-      l1 = b.l - l0;
-  return function(t) {
-    return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString();
-  };
-};
-
-d3.interpolateArray = function(a, b) {
-  var x = [],
-      c = [],
-      na = a.length,
-      nb = b.length,
-      n0 = Math.min(a.length, b.length),
-      i;
-  for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
-  for (; i < na; ++i) c[i] = a[i];
-  for (; i < nb; ++i) c[i] = b[i];
-  return function(t) {
-    for (i = 0; i < n0; ++i) c[i] = x[i](t);
-    return c;
-  };
-};
-
-d3.interpolateObject = function(a, b) {
-  var i = {},
-      c = {},
-      k;
-  for (k in a) {
-    if (k in b) {
-      i[k] = d3_interpolateByName(k)(a[k], b[k]);
-    } else {
-      c[k] = a[k];
-    }
-  }
-  for (k in b) {
-    if (!(k in a)) {
-      c[k] = b[k];
-    }
-  }
-  return function(t) {
-    for (k in i) c[k] = i[k](t);
-    return c;
-  };
-}
-
-var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
-
-function d3_interpolateByName(n) {
-  return n == "transform"
-      ? d3.interpolateTransform
-      : d3.interpolate;
-}
-
-d3.interpolators = [
-  d3.interpolateObject,
-  function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); },
-  function(a, b) { return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + ""); },
-  function(a, b) { return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(a, b); },
-  function(a, b) { return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b); }
-];
-function d3_uninterpolateNumber(a, b) {
-  b = b - (a = +a) ? 1 / (b - a) : 0;
-  return function(x) { return (x - a) * b; };
-}
-
-function d3_uninterpolateClamp(a, b) {
-  b = b - (a = +a) ? 1 / (b - a) : 0;
-  return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); };
-}
-d3.rgb = function(r, g, b) {
-  return arguments.length === 1
-      ? (r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b)
-      : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb))
-      : d3_rgb(~~r, ~~g, ~~b);
-};
-
-function d3_rgb(r, g, b) {
-  return new d3_Rgb(r, g, b);
-}
-
-function d3_Rgb(r, g, b) {
-  this.r = r;
-  this.g = g;
-  this.b = b;
-}
-
-d3_Rgb.prototype.brighter = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  var r = this.r,
-      g = this.g,
-      b = this.b,
-      i = 30;
-  if (!r && !g && !b) return d3_rgb(i, i, i);
-  if (r && r < i) r = i;
-  if (g && g < i) g = i;
-  if (b && b < i) b = i;
-  return d3_rgb(
-      Math.min(255, Math.floor(r / k)),
-      Math.min(255, Math.floor(g / k)),
-      Math.min(255, Math.floor(b / k)));
-};
-
-d3_Rgb.prototype.darker = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  return d3_rgb(
-      Math.floor(k * this.r),
-      Math.floor(k * this.g),
-      Math.floor(k * this.b));
-};
-
-d3_Rgb.prototype.hsl = function() {
-  return d3_rgb_hsl(this.r, this.g, this.b);
-};
-
-d3_Rgb.prototype.toString = function() {
-  return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
-};
-
-function d3_rgb_hex(v) {
-  return v < 0x10
-      ? "0" + Math.max(0, v).toString(16)
-      : Math.min(255, v).toString(16);
-}
-
-function d3_rgb_parse(format, rgb, hsl) {
-  var r = 0, // red channel; int in [0, 255]
-      g = 0, // green channel; int in [0, 255]
-      b = 0, // blue channel; int in [0, 255]
-      m1, // CSS color specification match
-      m2, // CSS color specification type (e.g., rgb)
-      name;
-
-  /* Handle hsl, rgb. */
-  m1 = /([a-z]+)\((.*)\)/i.exec(format);
-  if (m1) {
-    m2 = m1[2].split(",");
-    switch (m1[1]) {
-      case "hsl": {
-        return hsl(
-          parseFloat(m2[0]), // degrees
-          parseFloat(m2[1]) / 100, // percentage
-          parseFloat(m2[2]) / 100 // percentage
-        );
-      }
-      case "rgb": {
-        return rgb(
-          d3_rgb_parseNumber(m2[0]),
-          d3_rgb_parseNumber(m2[1]),
-          d3_rgb_parseNumber(m2[2])
-        );
-      }
-    }
-  }
-
-  /* Named colors. */
-  if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
-
-  /* Hexadecimal colors: #rgb and #rrggbb. */
-  if (format != null && format.charAt(0) === "#") {
-    if (format.length === 4) {
-      r = format.charAt(1); r += r;
-      g = format.charAt(2); g += g;
-      b = format.charAt(3); b += b;
-    } else if (format.length === 7) {
-      r = format.substring(1, 3);
-      g = format.substring(3, 5);
-      b = format.substring(5, 7);
-    }
-    r = parseInt(r, 16);
-    g = parseInt(g, 16);
-    b = parseInt(b, 16);
-  }
-
-  return rgb(r, g, b);
-}
-
-function d3_rgb_hsl(r, g, b) {
-  var min = Math.min(r /= 255, g /= 255, b /= 255),
-      max = Math.max(r, g, b),
-      d = max - min,
-      h,
-      s,
-      l = (max + min) / 2;
-  if (d) {
-    s = l < .5 ? d / (max + min) : d / (2 - max - min);
-    if (r == max) h = (g - b) / d + (g < b ? 6 : 0);
-    else if (g == max) h = (b - r) / d + 2;
-    else h = (r - g) / d + 4;
-    h *= 60;
-  } else {
-    s = h = 0;
-  }
-  return d3_hsl(h, s, l);
-}
-
-function d3_rgb_parseNumber(c) { // either integer or percentage
-  var f = parseFloat(c);
-  return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
-}
-
-var d3_rgb_names = d3.map({
-  aliceblue: "#f0f8ff",
-  antiquewhite: "#faebd7",
-  aqua: "#00ffff",
-  aquamarine: "#7fffd4",
-  azure: "#f0ffff",
-  beige: "#f5f5dc",
-  bisque: "#ffe4c4",
-  black: "#000000",
-  blanchedalmond: "#ffebcd",
-  blue: "#0000ff",
-  blueviolet: "#8a2be2",
-  brown: "#a52a2a",
-  burlywood: "#deb887",
-  cadetblue: "#5f9ea0",
-  chartreuse: "#7fff00",
-  chocolate: "#d2691e",
-  coral: "#ff7f50",
-  cornflowerblue: "#6495ed",
-  cornsilk: "#fff8dc",
-  crimson: "#dc143c",
-  cyan: "#00ffff",
-  darkblue: "#00008b",
-  darkcyan: "#008b8b",
-  darkgoldenrod: "#b8860b",
-  darkgray: "#a9a9a9",
-  darkgreen: "#006400",
-  darkgrey: "#a9a9a9",
-  darkkhaki: "#bdb76b",
-  darkmagenta: "#8b008b",
-  darkolivegreen: "#556b2f",
-  darkorange: "#ff8c00",
-  darkorchid: "#9932cc",
-  darkred: "#8b0000",
-  darksalmon: "#e9967a",
-  darkseagreen: "#8fbc8f",
-  darkslateblue: "#483d8b",
-  darkslategray: "#2f4f4f",
-  darkslategrey: "#2f4f4f",
-  darkturquoise: "#00ced1",
-  darkviolet: "#9400d3",
-  deeppink: "#ff1493",
-  deepskyblue: "#00bfff",
-  dimgray: "#696969",
-  dimgrey: "#696969",
-  dodgerblue: "#1e90ff",
-  firebrick: "#b22222",
-  floralwhite: "#fffaf0",
-  forestgreen: "#228b22",
-  fuchsia: "#ff00ff",
-  gainsboro: "#dcdcdc",
-  ghostwhite: "#f8f8ff",
-  gold: "#ffd700",
-  goldenrod: "#daa520",
-  gray: "#808080",
-  green: "#008000",
-  greenyellow: "#adff2f",
-  grey: "#808080",
-  honeydew: "#f0fff0",
-  hotpink: "#ff69b4",
-  indianred: "#cd5c5c",
-  indigo: "#4b0082",
-  ivory: "#fffff0",
-  khaki: "#f0e68c",
-  lavender: "#e6e6fa",
-  lavenderblush: "#fff0f5",
-  lawngreen: "#7cfc00",
-  lemonchiffon: "#fffacd",
-  lightblue: "#add8e6",
-  lightcoral: "#f08080",
-  lightcyan: "#e0ffff",
-  lightgoldenrodyellow: "#fafad2",
-  lightgray: "#d3d3d3",
-  lightgreen: "#90ee90",
-  lightgrey: "#d3d3d3",
-  lightpink: "#ffb6c1",
-  lightsalmon: "#ffa07a",
-  lightseagreen: "#20b2aa",
-  lightskyblue: "#87cefa",
-  lightslategray: "#778899",
-  lightslategrey: "#778899",
-  lightsteelblue: "#b0c4de",
-  lightyellow: "#ffffe0",
-  lime: "#00ff00",
-  limegreen: "#32cd32",
-  linen: "#faf0e6",
-  magenta: "#ff00ff",
-  maroon: "#800000",
-  mediumaquamarine: "#66cdaa",
-  mediumblue: "#0000cd",
-  mediumorchid: "#ba55d3",
-  mediumpurple: "#9370db",
-  mediumseagreen: "#3cb371",
-  mediumslateblue: "#7b68ee",
-  mediumspringgreen: "#00fa9a",
-  mediumturquoise: "#48d1cc",
-  mediumvioletred: "#c71585",
-  midnightblue: "#191970",
-  mintcream: "#f5fffa",
-  mistyrose: "#ffe4e1",
-  moccasin: "#ffe4b5",
-  navajowhite: "#ffdead",
-  navy: "#000080",
-  oldlace: "#fdf5e6",
-  olive: "#808000",
-  olivedrab: "#6b8e23",
-  orange: "#ffa500",
-  orangered: "#ff4500",
-  orchid: "#da70d6",
-  palegoldenrod: "#eee8aa",
-  palegreen: "#98fb98",
-  paleturquoise: "#afeeee",
-  palevioletred: "#db7093",
-  papayawhip: "#ffefd5",
-  peachpuff: "#ffdab9",
-  peru: "#cd853f",
-  pink: "#ffc0cb",
-  plum: "#dda0dd",
-  powderblue: "#b0e0e6",
-  purple: "#800080",
-  red: "#ff0000",
-  rosybrown: "#bc8f8f",
-  royalblue: "#4169e1",
-  saddlebrown: "#8b4513",
-  salmon: "#fa8072",
-  sandybrown: "#f4a460",
-  seagreen: "#2e8b57",
-  seashell: "#fff5ee",
-  sienna: "#a0522d",
-  silver: "#c0c0c0",
-  skyblue: "#87ceeb",
-  slateblue: "#6a5acd",
-  slategray: "#708090",
-  slategrey: "#708090",
-  snow: "#fffafa",
-  springgreen: "#00ff7f",
-  steelblue: "#4682b4",
-  tan: "#d2b48c",
-  teal: "#008080",
-  thistle: "#d8bfd8",
-  tomato: "#ff6347",
-  turquoise: "#40e0d0",
-  violet: "#ee82ee",
-  wheat: "#f5deb3",
-  white: "#ffffff",
-  whitesmoke: "#f5f5f5",
-  yellow: "#ffff00",
-  yellowgreen: "#9acd32"
-});
-
-d3_rgb_names.forEach(function(key, value) {
-  d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
-});
-d3.hsl = function(h, s, l) {
-  return arguments.length === 1
-      ? (h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l)
-      : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl))
-      : d3_hsl(+h, +s, +l);
-};
-
-function d3_hsl(h, s, l) {
-  return new d3_Hsl(h, s, l);
-}
-
-function d3_Hsl(h, s, l) {
-  this.h = h;
-  this.s = s;
-  this.l = l;
-}
-
-d3_Hsl.prototype.brighter = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  return d3_hsl(this.h, this.s, this.l / k);
-};
-
-d3_Hsl.prototype.darker = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  return d3_hsl(this.h, this.s, k * this.l);
-};
-
-d3_Hsl.prototype.rgb = function() {
-  return d3_hsl_rgb(this.h, this.s, this.l);
-};
-
-d3_Hsl.prototype.toString = function() {
-  return this.rgb().toString();
-};
-
-function d3_hsl_rgb(h, s, l) {
-  var m1,
-      m2;
-
-  /* Some simple corrections for h, s and l. */
-  h = h % 360; if (h < 0) h += 360;
-  s = s < 0 ? 0 : s > 1 ? 1 : s;
-  l = l < 0 ? 0 : l > 1 ? 1 : l;
-
-  /* From FvD 13.37, CSS Color Module Level 3 */
-  m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
-  m1 = 2 * l - m2;
-
-  function v(h) {
-    if (h > 360) h -= 360;
-    else if (h < 0) h += 360;
-    if (h < 60) return m1 + (m2 - m1) * h / 60;
-    if (h < 180) return m2;
-    if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
-    return m1;
-  }
-
-  function vv(h) {
-    return Math.round(v(h) * 255);
-  }
-
-  return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
-}
-function d3_selection(groups) {
-  d3_arraySubclass(groups, d3_selectionPrototype);
-  return groups;
-}
-
-var d3_select = function(s, n) { return n.querySelector(s); },
-    d3_selectAll = function(s, n) { return n.querySelectorAll(s); },
-    d3_selectRoot = document.documentElement,
-    d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector,
-    d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); };
-
-// Prefer Sizzle, if available.
-if (typeof Sizzle === "function") {
-  d3_select = function(s, n) { return Sizzle(s, n)[0]; };
-  d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); };
-  d3_selectMatches = Sizzle.matchesSelector;
-}
-
-var d3_selectionPrototype = [];
-
-d3.selection = function() {
-  return d3_selectionRoot;
-};
-
-d3.selection.prototype = d3_selectionPrototype;
-d3_selectionPrototype.select = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnode,
-      group,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selector(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    subgroups.push(subgroup = []);
-    subgroup.parentNode = (group = this[j]).parentNode;
-    for (var i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subgroup.push(subnode = selector.call(node, node.__data__, i));
-        if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
-      } else {
-        subgroup.push(null);
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-
-function d3_selection_selector(selector) {
-  return function() {
-    return d3_select(selector, this);
-  };
-}
-d3_selectionPrototype.selectAll = function(selector) {
-  var subgroups = [],
-      subgroup,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
-        subgroup.parentNode = node;
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-
-function d3_selection_selectorAll(selector) {
-  return function() {
-    return d3_selectAll(selector, this);
-  };
-}
-d3_selectionPrototype.attr = function(name, value) {
-  name = d3.ns.qualify(name);
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) {
-    var node = this.node();
-    return name.local
-        ? node.getAttributeNS(name.space, name.local)
-        : node.getAttribute(name);
-  }
-
-  function attrNull() {
-    this.removeAttribute(name);
-  }
-
-  function attrNullNS() {
-    this.removeAttributeNS(name.space, name.local);
-  }
-
-  function attrConstant() {
-    this.setAttribute(name, value);
-  }
-
-  function attrConstantNS() {
-    this.setAttributeNS(name.space, name.local, value);
-  }
-
-  function attrFunction() {
-    var x = value.apply(this, arguments);
-    if (x == null) this.removeAttribute(name);
-    else this.setAttribute(name, x);
-  }
-
-  function attrFunctionNS() {
-    var x = value.apply(this, arguments);
-    if (x == null) this.removeAttributeNS(name.space, name.local);
-    else this.setAttributeNS(name.space, name.local, x);
-  }
-
-  return this.each(value == null
-      ? (name.local ? attrNullNS : attrNull) : (typeof value === "function"
-      ? (name.local ? attrFunctionNS : attrFunction)
-      : (name.local ? attrConstantNS : attrConstant)));
-};
-d3_selectionPrototype.classed = function(name, value) {
-  var names = name.split(d3_selection_classedWhitespace),
-      n = names.length,
-      i = -1;
-  if (arguments.length > 1) {
-    while (++i < n) d3_selection_classed.call(this, names[i], value);
-    return this;
-  } else {
-    while (++i < n) if (!d3_selection_classed.call(this, names[i])) return false;
-    return true;
-  }
-};
-
-var d3_selection_classedWhitespace = /\s+/g;
-
-function d3_selection_classed(name, value) {
-  var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g");
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) {
-    var node = this.node();
-    if (c = node.classList) return c.contains(name);
-    var c = node.className;
-    re.lastIndex = 0;
-    return re.test(c.baseVal != null ? c.baseVal : c);
-  }
-
-  function classedAdd() {
-    if (c = this.classList) return c.add(name);
-    var c = this.className,
-        cb = c.baseVal != null,
-        cv = cb ? c.baseVal : c;
-    re.lastIndex = 0;
-    if (!re.test(cv)) {
-      cv = d3_collapse(cv + " " + name);
-      if (cb) c.baseVal = cv;
-      else this.className = cv;
-    }
-  }
-
-  function classedRemove() {
-    if (c = this.classList) return c.remove(name);
-    var c = this.className,
-        cb = c.baseVal != null,
-        cv = cb ? c.baseVal : c;
-    cv = d3_collapse(cv.replace(re, " "));
-    if (cb) c.baseVal = cv;
-    else this.className = cv;
-  }
-
-  function classedFunction() {
-    (value.apply(this, arguments)
-        ? classedAdd
-        : classedRemove).call(this);
-  }
-
-  return this.each(typeof value === "function"
-      ? classedFunction : value
-      ? classedAdd
-      : classedRemove);
-}
-d3_selectionPrototype.style = function(name, value, priority) {
-  if (arguments.length < 3) priority = "";
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) return window
-      .getComputedStyle(this.node(), null)
-      .getPropertyValue(name);
-
-  function styleNull() {
-    this.style.removeProperty(name);
-  }
-
-  function styleConstant() {
-    this.style.setProperty(name, value, priority);
-  }
-
-  function styleFunction() {
-    var x = value.apply(this, arguments);
-    if (x == null) this.style.removeProperty(name);
-    else this.style.setProperty(name, x, priority);
-  }
-
-  return this.each(value == null
-      ? styleNull : (typeof value === "function"
-      ? styleFunction : styleConstant));
-};
-d3_selectionPrototype.property = function(name, value) {
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) return this.node()[name];
-
-  function propertyNull() {
-    delete this[name];
-  }
-
-  function propertyConstant() {
-    this[name] = value;
-  }
-
-  function propertyFunction() {
-    var x = value.apply(this, arguments);
-    if (x == null) delete this[name];
-    else this[name] = x;
-  }
-
-  return this.each(value == null
-      ? propertyNull : (typeof value === "function"
-      ? propertyFunction : propertyConstant));
-};
-d3_selectionPrototype.text = function(value) {
-  return arguments.length < 1
-      ? this.node().textContent : this.each(typeof value === "function"
-      ? function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; } : value == null
-      ? function() { this.textContent = ""; }
-      : function() { this.textContent = value; });
-};
-d3_selectionPrototype.html = function(value) {
-  return arguments.length < 1
-      ? this.node().innerHTML : this.each(typeof value === "function"
-      ? function() { var v = value.apply(this, arguments); this.innerHTML = v == null ? "" : v; } : value == null
-      ? function() { this.innerHTML = ""; }
-      : function() { this.innerHTML = value; });
-};
-// TODO append(node)?
-// TODO append(function)?
-d3_selectionPrototype.append = function(name) {
-  name = d3.ns.qualify(name);
-
-  function append() {
-    return this.appendChild(document.createElementNS(this.namespaceURI, name));
-  }
-
-  function appendNS() {
-    return this.appendChild(document.createElementNS(name.space, name.local));
-  }
-
-  return this.select(name.local ? appendNS : append);
-};
-// TODO insert(node, function)?
-// TODO insert(function, string)?
-// TODO insert(function, function)?
-d3_selectionPrototype.insert = function(name, before) {
-  name = d3.ns.qualify(name);
-
-  function insert() {
-    return this.insertBefore(
-        document.createElementNS(this.namespaceURI, name),
-        d3_select(before, this));
-  }
-
-  function insertNS() {
-    return this.insertBefore(
-        document.createElementNS(name.space, name.local),
-        d3_select(before, this));
-  }
-
-  return this.select(name.local ? insertNS : insert);
-};
-// TODO remove(selector)?
-// TODO remove(node)?
-// TODO remove(function)?
-d3_selectionPrototype.remove = function() {
-  return this.each(function() {
-    var parent = this.parentNode;
-    if (parent) parent.removeChild(this);
+  var d3_bisector = d3.bisector(function(d) {
+    return d;
   });
-};
-d3_selectionPrototype.data = function(value, key) {
-  var i = -1,
-      n = this.length,
-      group,
-      node;
-
-  // If no value is specified, return the first value.
-  if (!arguments.length) {
-    value = new Array(n = (group = this[0]).length);
-    while (++i < n) {
-      if (node = group[i]) {
-        value[i] = node.__data__;
+  d3.bisectLeft = d3_bisector.left;
+  d3.bisect = d3.bisectRight = d3_bisector.right;
+  d3.shuffle = function(array) {
+    var m = array.length, t, i;
+    while (m) {
+      i = Math.random() * m-- | 0;
+      t = array[m], array[m] = array[i], array[i] = t;
+    }
+    return array;
+  };
+  d3.permute = function(array, indexes) {
+    var permutes = [], i = -1, n = indexes.length;
+    while (++i < n) permutes[i] = array[indexes[i]];
+    return permutes;
+  };
+  d3.zip = function() {
+    if (!(n = arguments.length)) return [];
+    for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+      for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+        zip[j] = arguments[j][i];
       }
     }
-    return value;
+    return zips;
+  };
+  function d3_zipLength(d) {
+    return d.length;
   }
-
-  function bind(group, groupData) {
-    var i,
-        n = group.length,
-        m = groupData.length,
-        n0 = Math.min(n, m),
-        n1 = Math.max(n, m),
-        updateNodes = [],
-        enterNodes = [],
-        exitNodes = [],
-        node,
-        nodeData;
-
-    if (key) {
-      var nodeByKeyValue = new d3_Map,
-          keyValues = [],
-          keyValue,
-          j = groupData.length;
-
-      for (i = -1; ++i < n;) {
-        keyValue = key.call(node = group[i], node.__data__, i);
-        if (nodeByKeyValue.has(keyValue)) {
-          exitNodes[j++] = node; // duplicate key
-        } else {
-          nodeByKeyValue.set(keyValue, node);
-        }
-        keyValues.push(keyValue);
+  d3.transpose = function(matrix) {
+    return d3.zip.apply(d3, matrix);
+  };
+  d3.keys = function(map) {
+    var keys = [];
+    for (var key in map) keys.push(key);
+    return keys;
+  };
+  d3.values = function(map) {
+    var values = [];
+    for (var key in map) values.push(map[key]);
+    return values;
+  };
+  d3.entries = function(map) {
+    var entries = [];
+    for (var key in map) entries.push({
+      key: key,
+      value: map[key]
+    });
+    return entries;
+  };
+  d3.merge = function(arrays) {
+    return Array.prototype.concat.apply([], arrays);
+  };
+  d3.range = function(start, stop, step) {
+    if (arguments.length < 3) {
+      step = 1;
+      if (arguments.length < 2) {
+        stop = start;
+        start = 0;
       }
-
-      for (i = -1; ++i < m;) {
-        keyValue = key.call(groupData, nodeData = groupData[i], i)
-        if (nodeByKeyValue.has(keyValue)) {
-          updateNodes[i] = node = nodeByKeyValue.get(keyValue);
-          node.__data__ = nodeData;
-          enterNodes[i] = exitNodes[i] = null;
-        } else {
-          enterNodes[i] = d3_selection_dataNode(nodeData);
-          updateNodes[i] = exitNodes[i] = null;
-        }
-        nodeByKeyValue.remove(keyValue);
+    }
+    if ((stop - start) / step === Infinity) throw new Error("infinite range");
+    var range = [], k = d3_range_integerScale(Math.abs(step)), i = -1, j;
+    start *= k, stop *= k, step *= k;
+    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+    return range;
+  };
+  function d3_range_integerScale(x) {
+    var k = 1;
+    while (x * k % 1) k *= 10;
+    return k;
+  }
+  function d3_class(ctor, properties) {
+    try {
+      for (var key in properties) {
+        Object.defineProperty(ctor.prototype, key, {
+          value: properties[key],
+          enumerable: false
+        });
       }
-
-      for (i = -1; ++i < n;) {
-        if (nodeByKeyValue.has(keyValues[i])) {
+    } catch (e) {
+      ctor.prototype = properties;
+    }
+  }
+  d3.map = function(object) {
+    var map = new d3_Map();
+    for (var key in object) map.set(key, object[key]);
+    return map;
+  };
+  function d3_Map() {}
+  d3_class(d3_Map, {
+    has: function(key) {
+      return d3_map_prefix + key in this;
+    },
+    get: function(key) {
+      return this[d3_map_prefix + key];
+    },
+    set: function(key, value) {
+      return this[d3_map_prefix + key] = value;
+    },
+    remove: function(key) {
+      key = d3_map_prefix + key;
+      return key in this && delete this[key];
+    },
+    keys: function() {
+      var keys = [];
+      this.forEach(function(key) {
+        keys.push(key);
+      });
+      return keys;
+    },
+    values: function() {
+      var values = [];
+      this.forEach(function(key, value) {
+        values.push(value);
+      });
+      return values;
+    },
+    entries: function() {
+      var entries = [];
+      this.forEach(function(key, value) {
+        entries.push({
+          key: key,
+          value: value
+        });
+      });
+      return entries;
+    },
+    forEach: function(f) {
+      for (var key in this) {
+        if (key.charCodeAt(0) === d3_map_prefixCode) {
+          f.call(this, key.substring(1), this[key]);
+        }
+      }
+    }
+  });
+  var d3_map_prefix = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
+  d3.nest = function() {
+    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+    function map(mapType, array, depth) {
+      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
+      while (++i < n) {
+        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+          values.push(object);
+        } else {
+          valuesByKey.set(keyValue, [ object ]);
+        }
+      }
+      if (mapType) {
+        object = mapType();
+        setter = function(keyValue, values) {
+          object.set(keyValue, map(mapType, values, depth));
+        };
+      } else {
+        object = {};
+        setter = function(keyValue, values) {
+          object[keyValue] = map(mapType, values, depth);
+        };
+      }
+      valuesByKey.forEach(setter);
+      return object;
+    }
+    function entries(map, depth) {
+      if (depth >= keys.length) return map;
+      var array = [], sortKey = sortKeys[depth++];
+      map.forEach(function(key, keyMap) {
+        array.push({
+          key: key,
+          values: entries(keyMap, depth)
+        });
+      });
+      return sortKey ? array.sort(function(a, b) {
+        return sortKey(a.key, b.key);
+      }) : array;
+    }
+    nest.map = function(array, mapType) {
+      return map(mapType, array, 0);
+    };
+    nest.entries = function(array) {
+      return entries(map(d3.map, array, 0), 0);
+    };
+    nest.key = function(d) {
+      keys.push(d);
+      return nest;
+    };
+    nest.sortKeys = function(order) {
+      sortKeys[keys.length - 1] = order;
+      return nest;
+    };
+    nest.sortValues = function(order) {
+      sortValues = order;
+      return nest;
+    };
+    nest.rollup = function(f) {
+      rollup = f;
+      return nest;
+    };
+    return nest;
+  };
+  d3.set = function(array) {
+    var set = new d3_Set();
+    if (array) for (var i = 0; i < array.length; i++) set.add(array[i]);
+    return set;
+  };
+  function d3_Set() {}
+  d3_class(d3_Set, {
+    has: function(value) {
+      return d3_map_prefix + value in this;
+    },
+    add: function(value) {
+      this[d3_map_prefix + value] = true;
+      return value;
+    },
+    remove: function(value) {
+      value = d3_map_prefix + value;
+      return value in this && delete this[value];
+    },
+    values: function() {
+      var values = [];
+      this.forEach(function(value) {
+        values.push(value);
+      });
+      return values;
+    },
+    forEach: function(f) {
+      for (var value in this) {
+        if (value.charCodeAt(0) === d3_map_prefixCode) {
+          f.call(this, value.substring(1));
+        }
+      }
+    }
+  });
+  d3.behavior = {};
+  d3.rebind = function(target, source) {
+    var i = 1, n = arguments.length, method;
+    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+    return target;
+  };
+  function d3_rebind(target, source, method) {
+    return function() {
+      var value = method.apply(source, arguments);
+      return value === source ? target : value;
+    };
+  }
+  d3.dispatch = function() {
+    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    return dispatch;
+  };
+  function d3_dispatch() {}
+  d3_dispatch.prototype.on = function(type, listener) {
+    var i = type.indexOf("."), name = "";
+    if (i >= 0) {
+      name = type.substring(i + 1);
+      type = type.substring(0, i);
+    }
+    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+    if (arguments.length === 2) {
+      if (listener == null) for (type in this) {
+        if (this.hasOwnProperty(type)) this[type].on(name, null);
+      }
+      return this;
+    }
+  };
+  function d3_dispatch_event(dispatch) {
+    var listeners = [], listenerByName = new d3_Map();
+    function event() {
+      var z = listeners, i = -1, n = z.length, l;
+      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+      return dispatch;
+    }
+    event.on = function(name, listener) {
+      var l = listenerByName.get(name), i;
+      if (arguments.length < 2) return l && l.on;
+      if (l) {
+        l.on = null;
+        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+        listenerByName.remove(name);
+      }
+      if (listener) listeners.push(listenerByName.set(name, {
+        on: listener
+      }));
+      return dispatch;
+    };
+    return event;
+  }
+  d3.event = null;
+  function d3_eventCancel() {
+    d3.event.stopPropagation();
+    d3.event.preventDefault();
+  }
+  function d3_eventSource() {
+    var e = d3.event, s;
+    while (s = e.sourceEvent) e = s;
+    return e;
+  }
+  function d3_eventDispatch(target) {
+    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    dispatch.of = function(thiz, argumentz) {
+      return function(e1) {
+        try {
+          var e0 = e1.sourceEvent = d3.event;
+          e1.target = target;
+          d3.event = e1;
+          dispatch[e1.type].apply(thiz, argumentz);
+        } finally {
+          d3.event = e0;
+        }
+      };
+    };
+    return dispatch;
+  }
+  d3.mouse = function(container) {
+    return d3_mousePoint(container, d3_eventSource());
+  };
+  var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
+  function d3_mousePoint(container, e) {
+    var svg = container.ownerSVGElement || container;
+    if (svg.createSVGPoint) {
+      var point = svg.createSVGPoint();
+      if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
+        svg = d3.select(d3_document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0);
+        var ctm = svg[0][0].getScreenCTM();
+        d3_mouse_bug44083 = !(ctm.f || ctm.e);
+        svg.remove();
+      }
+      if (d3_mouse_bug44083) {
+        point.x = e.pageX;
+        point.y = e.pageY;
+      } else {
+        point.x = e.clientX;
+        point.y = e.clientY;
+      }
+      point = point.matrixTransform(container.getScreenCTM().inverse());
+      return [ point.x, point.y ];
+    }
+    var rect = container.getBoundingClientRect();
+    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+  }
+  var d3_array = d3_arraySlice;
+  function d3_arrayCopy(pseudoarray) {
+    var i = -1, n = pseudoarray.length, array = [];
+    while (++i < n) array.push(pseudoarray[i]);
+    return array;
+  }
+  function d3_arraySlice(pseudoarray) {
+    return Array.prototype.slice.call(pseudoarray);
+  }
+  try {
+    d3_array(d3_document.documentElement.childNodes)[0].nodeType;
+  } catch (e) {
+    d3_array = d3_arrayCopy;
+  }
+  var d3_arraySubclass = [].__proto__ ? function(array, prototype) {
+    array.__proto__ = prototype;
+  } : function(array, prototype) {
+    for (var property in prototype) array[property] = prototype[property];
+  };
+  d3.touches = function(container, touches) {
+    if (arguments.length < 2) touches = d3_eventSource().touches;
+    return touches ? d3_array(touches).map(function(touch) {
+      var point = d3_mousePoint(container, touch);
+      point.identifier = touch.identifier;
+      return point;
+    }) : [];
+  };
+  d3.behavior.drag = function() {
+    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null;
+    function drag() {
+      this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown);
+    }
+    function mousedown() {
+      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches ? d3.event.changedTouches[0].identifier : null, offset, origin_ = point(), moved = 0;
+      var w = d3.select(d3_window).on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", dragmove).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", dragend, true);
+      if (origin) {
+        offset = origin.apply(target, arguments);
+        offset = [ offset.x - origin_[0], offset.y - origin_[1] ];
+      } else {
+        offset = [ 0, 0 ];
+      }
+      if (touchId == null) d3_eventCancel();
+      event_({
+        type: "dragstart"
+      });
+      function point() {
+        var p = target.parentNode;
+        return touchId != null ? d3.touches(p).filter(function(p) {
+          return p.identifier === touchId;
+        })[0] : d3.mouse(p);
+      }
+      function dragmove() {
+        if (!target.parentNode) return dragend();
+        var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
+        moved |= dx | dy;
+        origin_ = p;
+        d3_eventCancel();
+        event_({
+          type: "drag",
+          x: p[0] + offset[0],
+          y: p[1] + offset[1],
+          dx: dx,
+          dy: dy
+        });
+      }
+      function dragend() {
+        event_({
+          type: "dragend"
+        });
+        if (moved) {
+          d3_eventCancel();
+          if (d3.event.target === eventTarget) w.on("click.drag", click, true);
+        }
+        w.on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", null);
+      }
+      function click() {
+        d3_eventCancel();
+        w.on("click.drag", null);
+      }
+    }
+    drag.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return drag;
+    };
+    return d3.rebind(drag, event, "on");
+  };
+  function d3_selection(groups) {
+    d3_arraySubclass(groups, d3_selectionPrototype);
+    return groups;
+  }
+  var d3_select = function(s, n) {
+    return n.querySelector(s);
+  }, d3_selectAll = function(s, n) {
+    return n.querySelectorAll(s);
+  }, d3_selectRoot = d3_document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function(n, s) {
+    return d3_selectMatcher.call(n, s);
+  };
+  if (typeof Sizzle === "function") {
+    d3_select = function(s, n) {
+      return Sizzle(s, n)[0] || null;
+    };
+    d3_selectAll = function(s, n) {
+      return Sizzle.uniqueSort(Sizzle(s, n));
+    };
+    d3_selectMatches = Sizzle.matchesSelector;
+  }
+  var d3_selectionPrototype = [];
+  d3.selection = function() {
+    return d3_selectionRoot;
+  };
+  d3.selection.prototype = d3_selectionPrototype;
+  d3_selectionPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, group, node;
+    if (typeof selector !== "function") selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(subnode = selector.call(node, node.__data__, i));
+          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_selector(selector) {
+    return function() {
+      return d3_select(selector, this);
+    };
+  }
+  d3_selectionPrototype.selectAll = function(selector) {
+    var subgroups = [], subgroup, node;
+    if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
+          subgroup.parentNode = node;
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_selectorAll(selector) {
+    return function() {
+      return d3_selectAll(selector, this);
+    };
+  }
+  var d3_nsPrefix = {
+    svg: "http://www.w3.org/2000/svg",
+    xhtml: "http://www.w3.org/1999/xhtml",
+    xlink: "http://www.w3.org/1999/xlink",
+    xml: "http://www.w3.org/XML/1998/namespace",
+    xmlns: "http://www.w3.org/2000/xmlns/"
+  };
+  d3.ns = {
+    prefix: d3_nsPrefix,
+    qualify: function(name) {
+      var i = name.indexOf(":"), prefix = name;
+      if (i >= 0) {
+        prefix = name.substring(0, i);
+        name = name.substring(i + 1);
+      }
+      return d3_nsPrefix.hasOwnProperty(prefix) ? {
+        space: d3_nsPrefix[prefix],
+        local: name
+      } : name;
+    }
+  };
+  d3_selectionPrototype.attr = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node();
+        name = d3.ns.qualify(name);
+        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+      }
+      for (value in name) this.each(d3_selection_attr(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_attr(name, value));
+  };
+  function d3_selection_attr(name, value) {
+    name = d3.ns.qualify(name);
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    function attrConstant() {
+      this.setAttribute(name, value);
+    }
+    function attrConstantNS() {
+      this.setAttributeNS(name.space, name.local, value);
+    }
+    function attrFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+    }
+    function attrFunctionNS() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+    }
+    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+  }
+  function d3_collapse(s) {
+    return s.trim().replace(/\s+/g, " ");
+  }
+  d3.requote = function(s) {
+    return s.replace(d3_requote_re, "\\$&");
+  };
+  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+  d3_selectionPrototype.classed = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1;
+        if (value = node.classList) {
+          while (++i < n) if (!value.contains(name[i])) return false;
+        } else {
+          value = node.getAttribute("class");
+          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+        }
+        return true;
+      }
+      for (value in name) this.each(d3_selection_classed(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_classed(name, value));
+  };
+  function d3_selection_classedRe(name) {
+    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+  }
+  function d3_selection_classed(name, value) {
+    name = name.trim().split(/\s+/).map(d3_selection_classedName);
+    var n = name.length;
+    function classedConstant() {
+      var i = -1;
+      while (++i < n) name[i](this, value);
+    }
+    function classedFunction() {
+      var i = -1, x = value.apply(this, arguments);
+      while (++i < n) name[i](this, x);
+    }
+    return typeof value === "function" ? classedFunction : classedConstant;
+  }
+  function d3_selection_classedName(name) {
+    var re = d3_selection_classedRe(name);
+    return function(node, value) {
+      if (c = node.classList) return value ? c.add(name) : c.remove(name);
+      var c = node.getAttribute("class") || "";
+      if (value) {
+        re.lastIndex = 0;
+        if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
+      } else {
+        node.setAttribute("class", d3_collapse(c.replace(re, " ")));
+      }
+    };
+  }
+  d3_selectionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+        return this;
+      }
+      if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name);
+      priority = "";
+    }
+    return this.each(d3_selection_style(name, value, priority));
+  };
+  function d3_selection_style(name, value, priority) {
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    function styleConstant() {
+      this.style.setProperty(name, value, priority);
+    }
+    function styleFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+    }
+    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+  }
+  d3_selectionPrototype.property = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") return this.node()[name];
+      for (value in name) this.each(d3_selection_property(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_property(name, value));
+  };
+  function d3_selection_property(name, value) {
+    function propertyNull() {
+      delete this[name];
+    }
+    function propertyConstant() {
+      this[name] = value;
+    }
+    function propertyFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) delete this[name]; else this[name] = x;
+    }
+    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+  }
+  d3_selectionPrototype.text = function(value) {
+    return arguments.length ? this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.textContent = v == null ? "" : v;
+    } : value == null ? function() {
+      this.textContent = "";
+    } : function() {
+      this.textContent = value;
+    }) : this.node().textContent;
+  };
+  d3_selectionPrototype.html = function(value) {
+    return arguments.length ? this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.innerHTML = v == null ? "" : v;
+    } : value == null ? function() {
+      this.innerHTML = "";
+    } : function() {
+      this.innerHTML = value;
+    }) : this.node().innerHTML;
+  };
+  d3_selectionPrototype.append = function(name) {
+    name = d3.ns.qualify(name);
+    function append() {
+      return this.appendChild(d3_document.createElementNS(this.namespaceURI, name));
+    }
+    function appendNS() {
+      return this.appendChild(d3_document.createElementNS(name.space, name.local));
+    }
+    return this.select(name.local ? appendNS : append);
+  };
+  d3_selectionPrototype.insert = function(name, before) {
+    name = d3.ns.qualify(name);
+    if (typeof before !== "function") before = d3_selection_selector(before);
+    function insert(d, i) {
+      return this.insertBefore(d3_document.createElementNS(this.namespaceURI, name), before.call(this, d, i));
+    }
+    function insertNS(d, i) {
+      return this.insertBefore(d3_document.createElementNS(name.space, name.local), before.call(this, d, i));
+    }
+    return this.select(name.local ? insertNS : insert);
+  };
+  d3_selectionPrototype.remove = function() {
+    return this.each(function() {
+      var parent = this.parentNode;
+      if (parent) parent.removeChild(this);
+    });
+  };
+  d3_selectionPrototype.data = function(value, key) {
+    var i = -1, n = this.length, group, node;
+    if (!arguments.length) {
+      value = new Array(n = (group = this[0]).length);
+      while (++i < n) {
+        if (node = group[i]) {
+          value[i] = node.__data__;
+        }
+      }
+      return value;
+    }
+    function bind(group, groupData) {
+      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
+      if (key) {
+        var nodeByKeyValue = new d3_Map(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue;
+        for (i = -1; ++i < n; ) {
+          keyValue = key.call(node = group[i], node.__data__, i);
+          if (nodeByKeyValue.has(keyValue)) {
+            exitNodes[i] = node;
+          } else {
+            nodeByKeyValue.set(keyValue, node);
+          }
+          keyValues.push(keyValue);
+        }
+        for (i = -1; ++i < m; ) {
+          keyValue = key.call(groupData, nodeData = groupData[i], i);
+          if (node = nodeByKeyValue.get(keyValue)) {
+            updateNodes[i] = node;
+            node.__data__ = nodeData;
+          } else if (!dataByKeyValue.has(keyValue)) {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+          }
+          dataByKeyValue.set(keyValue, nodeData);
+          nodeByKeyValue.remove(keyValue);
+        }
+        for (i = -1; ++i < n; ) {
+          if (nodeByKeyValue.has(keyValues[i])) {
+            exitNodes[i] = group[i];
+          }
+        }
+      } else {
+        for (i = -1; ++i < n0; ) {
+          node = group[i];
+          nodeData = groupData[i];
+          if (node) {
+            node.__data__ = nodeData;
+            updateNodes[i] = node;
+          } else {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+          }
+        }
+        for (;i < m; ++i) {
+          enterNodes[i] = d3_selection_dataNode(groupData[i]);
+        }
+        for (;i < n; ++i) {
           exitNodes[i] = group[i];
         }
       }
+      enterNodes.update = updateNodes;
+      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+      enter.push(enterNodes);
+      update.push(updateNodes);
+      exit.push(exitNodes);
+    }
+    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+    if (typeof value === "function") {
+      while (++i < n) {
+        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+      }
     } else {
-      for (i = -1; ++i < n0;) {
-        node = group[i];
-        nodeData = groupData[i];
-        if (node) {
-          node.__data__ = nodeData;
-          updateNodes[i] = node;
-          enterNodes[i] = exitNodes[i] = null;
-        } else {
-          enterNodes[i] = d3_selection_dataNode(nodeData);
-          updateNodes[i] = exitNodes[i] = null;
+      while (++i < n) {
+        bind(group = this[i], value);
+      }
+    }
+    update.enter = function() {
+      return enter;
+    };
+    update.exit = function() {
+      return exit;
+    };
+    return update;
+  };
+  function d3_selection_dataNode(data) {
+    return {
+      __data__: data
+    };
+  }
+  d3_selectionPrototype.datum = function(value) {
+    return arguments.length ? this.property("__data__", value) : this.property("__data__");
+  };
+  d3_selectionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+          subgroup.push(node);
         }
       }
-      for (; i < m; ++i) {
-        enterNodes[i] = d3_selection_dataNode(groupData[i]);
-        updateNodes[i] = exitNodes[i] = null;
-      }
-      for (; i < n1; ++i) {
-        exitNodes[i] = group[i];
-        enterNodes[i] = updateNodes[i] = null;
-      }
     }
-
-    enterNodes.update
-        = updateNodes;
-
-    enterNodes.parentNode
-        = updateNodes.parentNode
-        = exitNodes.parentNode
-        = group.parentNode;
-
-    enter.push(enterNodes);
-    update.push(updateNodes);
-    exit.push(exitNodes);
-  }
-
-  var enter = d3_selection_enter([]),
-      update = d3_selection([]),
-      exit = d3_selection([]);
-
-  if (typeof value === "function") {
-    while (++i < n) {
-      bind(group = this[i], value.call(group, group.parentNode.__data__, i));
-    }
-  } else {
-    while (++i < n) {
-      bind(group = this[i], value);
-    }
-  }
-
-  update.enter = function() { return enter; };
-  update.exit = function() { return exit; };
-  return update;
-};
-
-function d3_selection_dataNode(data) {
-  return {__data__: data};
-}
-d3_selectionPrototype.datum =
-d3_selectionPrototype.map = function(value) {
-  return arguments.length < 1
-      ? this.property("__data__")
-      : this.property("__data__", value);
-};
-d3_selectionPrototype.filter = function(filter) {
-  var subgroups = [],
-      subgroup,
-      group,
-      node;
-
-  if (typeof filter !== "function") filter = d3_selection_filter(filter);
-
-  for (var j = 0, m = this.length; j < m; j++) {
-    subgroups.push(subgroup = []);
-    subgroup.parentNode = (group = this[j]).parentNode;
-    for (var i = 0, n = group.length; i < n; i++) {
-      if ((node = group[i]) && filter.call(node, node.__data__, i)) {
-        subgroup.push(node);
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-
-function d3_selection_filter(selector) {
-  return function() {
-    return d3_selectMatches(this, selector);
+    return d3_selection(subgroups);
   };
-}
-d3_selectionPrototype.order = function() {
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
-      if (node = group[i]) {
-        if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
-        next = node;
+  function d3_selection_filter(selector) {
+    return function() {
+      return d3_selectMatches(this, selector);
+    };
+  }
+  d3_selectionPrototype.order = function() {
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+        if (node = group[i]) {
+          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+          next = node;
+        }
       }
     }
-  }
-  return this;
-};
-d3_selectionPrototype.sort = function(comparator) {
-  comparator = d3_selection_sortComparator.apply(this, arguments);
-  for (var j = -1, m = this.length; ++j < m;) this[j].sort(comparator);
-  return this.order();
-};
-
-function d3_selection_sortComparator(comparator) {
-  if (!arguments.length) comparator = d3.ascending;
-  return function(a, b) {
-    return comparator(a && a.__data__, b && b.__data__);
+    return this;
   };
-}
-// type can be namespaced, e.g., "click.foo"
-// listener can be null for removal
-d3_selectionPrototype.on = function(type, listener, capture) {
-  if (arguments.length < 3) capture = false;
-
-  // parse the type specifier
-  var name = "__on" + type, i = type.indexOf(".");
-  if (i > 0) type = type.substring(0, i);
-
-  // if called with only one argument, return the current listener
-  if (arguments.length < 2) return (i = this.node()[name]) && i._;
-
-  // remove the old event listener, and add the new event listener
-  return this.each(function(d, i) {
-    var node = this,
-        o = node[name];
-
-    // remove the old listener, if any (using the previously-set capture)
-    if (o) {
-      node.removeEventListener(type, o, o.$);
-      delete node[name];
+  d3_selectionPrototype.sort = function(comparator) {
+    comparator = d3_selection_sortComparator.apply(this, arguments);
+    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+    return this.order();
+  };
+  function d3_selection_sortComparator(comparator) {
+    if (!arguments.length) comparator = d3.ascending;
+    return function(a, b) {
+      return !a - !b || comparator(a.__data__, b.__data__);
+    };
+  }
+  function d3_noop() {}
+  d3_selectionPrototype.on = function(type, listener, capture) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof type !== "string") {
+        if (n < 2) listener = false;
+        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+        return this;
+      }
+      if (n < 2) return (n = this.node()["__on" + type]) && n._;
+      capture = false;
     }
-
-    // add the new listener, if any (remembering the capture flag)
-    if (listener) {
-      node.addEventListener(type, node[name] = l, l.$ = capture);
-      l._ = listener; // stash the unwrapped listener for get
+    return this.each(d3_selection_on(type, listener, capture));
+  };
+  function d3_selection_on(type, listener, capture) {
+    var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
+    if (i > 0) type = type.substring(0, i);
+    var filter = d3_selection_onFilters.get(type);
+    if (filter) type = filter, wrap = d3_selection_onFilter;
+    function onRemove() {
+      var l = this[name];
+      if (l) {
+        this.removeEventListener(type, l, l.$);
+        delete this[name];
+      }
     }
-
-    // wrapped event listener that preserves i
-    function l(e) {
-      var o = d3.event; // Events can be reentrant (e.g., focus).
+    function onAdd() {
+      var l = wrap(listener, d3_array(arguments));
+      onRemove.call(this);
+      this.addEventListener(type, this[name] = l, l.$ = capture);
+      l._ = listener;
+    }
+    function removeAll() {
+      var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
+      for (var name in this) {
+        if (match = name.match(re)) {
+          var l = this[name];
+          this.removeEventListener(match[1], l, l.$);
+          delete this[name];
+        }
+      }
+    }
+    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
+  }
+  var d3_selection_onFilters = d3.map({
+    mouseenter: "mouseover",
+    mouseleave: "mouseout"
+  });
+  d3_selection_onFilters.forEach(function(k) {
+    if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
+  });
+  function d3_selection_onListener(listener, argumentz) {
+    return function(e) {
+      var o = d3.event;
       d3.event = e;
+      argumentz[0] = this.__data__;
       try {
-        listener.call(node, node.__data__, i);
+        listener.apply(this, argumentz);
       } finally {
         d3.event = o;
       }
-    }
-  });
-};
-d3_selectionPrototype.each = function(callback) {
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      var node = group[i];
-      if (node) callback.call(node, node.__data__, i, j);
-    }
-  }
-  return this;
-};
-//
-// Note: assigning to the arguments array simultaneously changes the value of
-// the corresponding argument!
-//
-// TODO The `this` argument probably shouldn't be the first argument to the
-// callback, anyway, since it's redundant. However, that will require a major
-// version bump due to backwards compatibility, so I'm not changing it right
-// away.
-//
-d3_selectionPrototype.call = function(callback) {
-  callback.apply(this, (arguments[0] = this, arguments));
-  return this;
-};
-d3_selectionPrototype.empty = function() {
-  return !this.node();
-};
-d3_selectionPrototype.node = function(callback) {
-  for (var j = 0, m = this.length; j < m; j++) {
-    for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-      var node = group[i];
-      if (node) return node;
-    }
-  }
-  return null;
-};
-d3_selectionPrototype.transition = function() {
-  var subgroups = [],
-      subgroup,
-      node;
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    subgroups.push(subgroup = []);
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      subgroup.push((node = group[i]) ? {node: node, delay: d3_transitionDelay, duration: d3_transitionDuration} : null);
-    }
-  }
-
-  return d3_transition(subgroups, d3_transitionId || ++d3_transitionNextId, Date.now());
-};
-var d3_selectionRoot = d3_selection([[document]]);
-
-d3_selectionRoot[0].parentNode = d3_selectRoot;
-
-// TODO fast singleton implementation!
-// TODO select(function)
-d3.select = function(selector) {
-  return typeof selector === "string"
-      ? d3_selectionRoot.select(selector)
-      : d3_selection([[selector]]); // assume node
-};
-
-// TODO selectAll(function)
-d3.selectAll = function(selector) {
-  return typeof selector === "string"
-      ? d3_selectionRoot.selectAll(selector)
-      : d3_selection([d3_array(selector)]); // assume node[]
-};
-function d3_selection_enter(selection) {
-  d3_arraySubclass(selection, d3_selection_enterPrototype);
-  return selection;
-}
-
-var d3_selection_enterPrototype = [];
-
-d3.selection.enter = d3_selection_enter;
-d3.selection.enter.prototype = d3_selection_enterPrototype;
-
-d3_selection_enterPrototype.append = d3_selectionPrototype.append;
-d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
-d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
-d3_selection_enterPrototype.node = d3_selectionPrototype.node;
-d3_selection_enterPrototype.select = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnode,
-      upgroup,
-      group,
-      node;
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    upgroup = (group = this[j]).update;
-    subgroups.push(subgroup = []);
-    subgroup.parentNode = group.parentNode;
-    for (var i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
-        subnode.__data__ = node.__data__;
-      } else {
-        subgroup.push(null);
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-function d3_transition(groups, id, time) {
-  d3_arraySubclass(groups, d3_transitionPrototype);
-
-  var tweens = new d3_Map,
-      event = d3.dispatch("start", "end"),
-      ease = d3_transitionEase;
-
-  groups.id = id;
-
-  groups.time = time;
-
-  groups.tween = function(name, tween) {
-    if (arguments.length < 2) return tweens.get(name);
-    if (tween == null) tweens.remove(name);
-    else tweens.set(name, tween);
-    return groups;
-  };
-
-  groups.ease = function(value) {
-    if (!arguments.length) return ease;
-    ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments);
-    return groups;
-  };
-
-  groups.each = function(type, listener) {
-    if (arguments.length < 2) return d3_transition_each.call(groups, type);
-    event.on(type, listener);
-    return groups;
-  };
-
-  d3.timer(function(elapsed) {
-    groups.each(function(d, i, j) {
-      var tweened = [],
-          node = this,
-          delay = groups[j][i].delay,
-          duration = groups[j][i].duration,
-          lock = node.__transition__ || (node.__transition__ = {active: 0, count: 0});
-
-      ++lock.count;
-
-      delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time);
-
-      function start(elapsed) {
-        if (lock.active > id) return stop();
-        lock.active = id;
-
-        tweens.forEach(function(key, value) {
-          if (value = value.call(node, d, i)) {
-            tweened.push(value);
-          }
-        });
-
-        event.start.call(node, d, i);
-        if (!tick(elapsed)) d3.timer(tick, 0, time);
-        return 1;
-      }
-
-      function tick(elapsed) {
-        if (lock.active !== id) return stop();
-
-        var t = (elapsed - delay) / duration,
-            e = ease(t),
-            n = tweened.length;
-
-        while (n > 0) {
-          tweened[--n].call(node, e);
-        }
-
-        if (t >= 1) {
-          stop();
-          d3_transitionId = id;
-          event.end.call(node, d, i);
-          d3_transitionId = 0;
-          return 1;
-        }
-      }
-
-      function stop() {
-        if (!--lock.count) delete node.__transition__;
-        return 1;
-      }
-    });
-    return 1;
-  }, 0, time);
-
-  return groups;
-}
-
-var d3_transitionRemove = {};
-
-function d3_transitionNull(d, i, a) {
-  return a != "" && d3_transitionRemove;
-}
-
-function d3_transitionTween(name, b) {
-  var interpolate = d3_interpolateByName(name);
-
-  function transitionFunction(d, i, a) {
-    var v = b.call(this, d, i);
-    return v == null
-        ? a != "" && d3_transitionRemove
-        : a != v && interpolate(a, v);
-  }
-
-  function transitionString(d, i, a) {
-    return a != b && interpolate(a, b);
-  }
-
-  return typeof b === "function" ? transitionFunction
-      : b == null ? d3_transitionNull
-      : (b += "", transitionString);
-}
-
-var d3_transitionPrototype = [],
-    d3_transitionNextId = 0,
-    d3_transitionId = 0,
-    d3_transitionDefaultDelay = 0,
-    d3_transitionDefaultDuration = 250,
-    d3_transitionDefaultEase = d3.ease("cubic-in-out"),
-    d3_transitionDelay = d3_transitionDefaultDelay,
-    d3_transitionDuration = d3_transitionDefaultDuration,
-    d3_transitionEase = d3_transitionDefaultEase;
-
-d3_transitionPrototype.call = d3_selectionPrototype.call;
-
-d3.transition = function(selection) {
-  return arguments.length
-      ? (d3_transitionId ? selection.transition() : selection)
-      : d3_selectionRoot.transition();
-};
-
-d3.transition.prototype = d3_transitionPrototype;
-d3_transitionPrototype.select = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnode,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selector(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    subgroups.push(subgroup = []);
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) {
-        if ("__data__" in node.node) subnode.__data__ = node.node.__data__;
-        subgroup.push({node: subnode, delay: node.delay, duration: node.duration});
-      } else {
-        subgroup.push(null);
-      }
-    }
-  }
-
-  return d3_transition(subgroups, this.id, this.time).ease(this.ease());
-};
-d3_transitionPrototype.selectAll = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnodes,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subnodes = selector.call(node.node, node.node.__data__, i);
-        subgroups.push(subgroup = []);
-        for (var k = -1, o = subnodes.length; ++k < o;) {
-          subgroup.push({node: subnodes[k], delay: node.delay, duration: node.duration});
-        }
-      }
-    }
-  }
-
-  return d3_transition(subgroups, this.id, this.time).ease(this.ease());
-};
-d3_transitionPrototype.attr = function(name, value) {
-  return this.attrTween(name, d3_transitionTween(name, value));
-};
-
-d3_transitionPrototype.attrTween = function(nameNS, tween) {
-  var name = d3.ns.qualify(nameNS);
-
-  function attrTween(d, i) {
-    var f = tween.call(this, d, i, this.getAttribute(name));
-    return f === d3_transitionRemove
-        ? (this.removeAttribute(name), null)
-        : f && function(t) { this.setAttribute(name, f(t)); };
-  }
-
-  function attrTweenNS(d, i) {
-    var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
-    return f === d3_transitionRemove
-        ? (this.removeAttributeNS(name.space, name.local), null)
-        : f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); };
-  }
-
-  return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
-};
-d3_transitionPrototype.style = function(name, value, priority) {
-  if (arguments.length < 3) priority = "";
-  return this.styleTween(name, d3_transitionTween(name, value), priority);
-};
-
-d3_transitionPrototype.styleTween = function(name, tween, priority) {
-  if (arguments.length < 3) priority = "";
-  return this.tween("style." + name, function(d, i) {
-    var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name));
-    return f === d3_transitionRemove
-        ? (this.style.removeProperty(name), null)
-        : f && function(t) { this.style.setProperty(name, f(t), priority); };
-  });
-};
-d3_transitionPrototype.text = function(value) {
-  return this.tween("text", function(d, i) {
-    this.textContent = typeof value === "function"
-        ? value.call(this, d, i)
-        : value;
-  });
-};
-d3_transitionPrototype.remove = function() {
-  return this.each("end.transition", function() {
-    var p;
-    if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
-  });
-};
-d3_transitionPrototype.delay = function(value) {
-  var groups = this;
-  return groups.each(typeof value === "function"
-      ? function(d, i, j) { groups[j][i].delay = value.apply(this, arguments) | 0; }
-      : (value = value | 0, function(d, i, j) { groups[j][i].delay = value; }));
-};
-d3_transitionPrototype.duration = function(value) {
-  var groups = this;
-  return groups.each(typeof value === "function"
-      ? function(d, i, j) { groups[j][i].duration = Math.max(1, value.apply(this, arguments) | 0); }
-      : (value = Math.max(1, value | 0), function(d, i, j) { groups[j][i].duration = value; }));
-};
-function d3_transition_each(callback) {
-  var id = d3_transitionId,
-      ease = d3_transitionEase,
-      delay = d3_transitionDelay,
-      duration = d3_transitionDuration;
-
-  d3_transitionId = this.id;
-  d3_transitionEase = this.ease();
-  for (var j = 0, m = this.length; j < m; j++) {
-    for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-      var node = group[i];
-      if (node) {
-        d3_transitionDelay = this[j][i].delay;
-        d3_transitionDuration = this[j][i].duration;
-        callback.call(node = node.node, node.__data__, i, j);
-      }
-    }
-  }
-
-  d3_transitionId = id;
-  d3_transitionEase = ease;
-  d3_transitionDelay = delay;
-  d3_transitionDuration = duration;
-  return this;
-}
-d3_transitionPrototype.transition = function() {
-  return this.select(d3_this);
-};
-var d3_timer_queue = null,
-    d3_timer_interval, // is an interval (or frame) active?
-    d3_timer_timeout; // is a timeout active?
-
-// The timer will continue to fire until callback returns true.
-d3.timer = function(callback, delay, then) {
-  var found = false,
-      t0,
-      t1 = d3_timer_queue;
-
-  if (arguments.length < 3) {
-    if (arguments.length < 2) delay = 0;
-    else if (!isFinite(delay)) return;
-    then = Date.now();
-  }
-
-  // See if the callback's already in the queue.
-  while (t1) {
-    if (t1.callback === callback) {
-      t1.then = then;
-      t1.delay = delay;
-      found = true;
-      break;
-    }
-    t0 = t1;
-    t1 = t1.next;
-  }
-
-  // Otherwise, add the callback to the queue.
-  if (!found) d3_timer_queue = {
-    callback: callback,
-    then: then,
-    delay: delay,
-    next: d3_timer_queue
-  };
-
-  // Start animatin'!
-  if (!d3_timer_interval) {
-    d3_timer_timeout = clearTimeout(d3_timer_timeout);
-    d3_timer_interval = 1;
-    d3_timer_frame(d3_timer_step);
-  }
-}
-
-function d3_timer_step() {
-  var elapsed,
-      now = Date.now(),
-      t1 = d3_timer_queue;
-
-  while (t1) {
-    elapsed = now - t1.then;
-    if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
-    t1 = t1.next;
-  }
-
-  var delay = d3_timer_flush() - now;
-  if (delay > 24) {
-    if (isFinite(delay)) {
-      clearTimeout(d3_timer_timeout);
-      d3_timer_timeout = setTimeout(d3_timer_step, delay);
-    }
-    d3_timer_interval = 0;
-  } else {
-    d3_timer_interval = 1;
-    d3_timer_frame(d3_timer_step);
-  }
-}
-
-d3.timer.flush = function() {
-  var elapsed,
-      now = Date.now(),
-      t1 = d3_timer_queue;
-
-  while (t1) {
-    elapsed = now - t1.then;
-    if (!t1.delay) t1.flush = t1.callback(elapsed);
-    t1 = t1.next;
-  }
-
-  d3_timer_flush();
-};
-
-// Flush after callbacks, to avoid concurrent queue modification.
-function d3_timer_flush() {
-  var t0 = null,
-      t1 = d3_timer_queue,
-      then = Infinity;
-  while (t1) {
-    if (t1.flush) {
-      t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
-    } else {
-      then = Math.min(then, t1.then + t1.delay);
-      t1 = (t0 = t1).next;
-    }
-  }
-  return then;
-}
-
-var d3_timer_frame = window.requestAnimationFrame
-    || window.webkitRequestAnimationFrame
-    || window.mozRequestAnimationFrame
-    || window.oRequestAnimationFrame
-    || window.msRequestAnimationFrame
-    || function(callback) { setTimeout(callback, 17); };
-d3.transform = function(string) {
-  var g = document.createElementNS(d3.ns.prefix.svg, "g"),
-      identity = {a: 1, b: 0, c: 0, d: 1, e: 0, f: 0};
-  return (d3.transform = function(string) {
-    g.setAttribute("transform", string);
-    var t = g.transform.baseVal.consolidate();
-    return new d3_transform(t ? t.matrix : identity);
-  })(string);
-};
-
-// Compute x-scale and normalize the first row.
-// Compute shear and make second row orthogonal to first.
-// Compute y-scale and normalize the second row.
-// Finally, compute the rotation.
-function d3_transform(m) {
-  var r0 = [m.a, m.b],
-      r1 = [m.c, m.d],
-      kx = d3_transformNormalize(r0),
-      kz = d3_transformDot(r0, r1),
-      ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
-  if (r0[0] * r1[1] < r1[0] * r0[1]) {
-    r0[0] *= -1;
-    r0[1] *= -1;
-    kx *= -1;
-    kz *= -1;
-  }
-  this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_transformDegrees;
-  this.translate = [m.e, m.f];
-  this.scale = [kx, ky];
-  this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 0;
-};
-
-d3_transform.prototype.toString = function() {
-  return "translate(" + this.translate
-      + ")rotate(" + this.rotate
-      + ")skewX(" + this.skew
-      + ")scale(" + this.scale
-      + ")";
-};
-
-function d3_transformDot(a, b) {
-  return a[0] * b[0] + a[1] * b[1];
-}
-
-function d3_transformNormalize(a) {
-  var k = Math.sqrt(d3_transformDot(a, a));
-  if (k) {
-    a[0] /= k;
-    a[1] /= k;
-  }
-  return k;
-}
-
-function d3_transformCombine(a, b, k) {
-  a[0] += k * b[0];
-  a[1] += k * b[1];
-  return a;
-}
-
-var d3_transformDegrees = 180 / Math.PI;
-d3.mouse = function(container) {
-  return d3_mousePoint(container, d3_eventSource());
-};
-
-// https://bugs.webkit.org/show_bug.cgi?id=44083
-var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
-
-function d3_mousePoint(container, e) {
-  var svg = container.ownerSVGElement || container;
-  if (svg.createSVGPoint) {
-    var point = svg.createSVGPoint();
-    if ((d3_mouse_bug44083 < 0) && (window.scrollX || window.scrollY)) {
-      svg = d3.select(document.body)
-        .append("svg")
-          .style("position", "absolute")
-          .style("top", 0)
-          .style("left", 0);
-      var ctm = svg[0][0].getScreenCTM();
-      d3_mouse_bug44083 = !(ctm.f || ctm.e);
-      svg.remove();
-    }
-    if (d3_mouse_bug44083) {
-      point.x = e.pageX;
-      point.y = e.pageY;
-    } else {
-      point.x = e.clientX;
-      point.y = e.clientY;
-    }
-    point = point.matrixTransform(container.getScreenCTM().inverse());
-    return [point.x, point.y];
-  }
-  var rect = container.getBoundingClientRect();
-  return [e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop];
-};
-d3.touches = function(container, touches) {
-  if (arguments.length < 2) touches = d3_eventSource().touches;
-  return touches ? d3_array(touches).map(function(touch) {
-    var point = d3_mousePoint(container, touch);
-    point.identifier = touch.identifier;
-    return point;
-  }) : [];
-};
-function d3_noop() {}
-d3.scale = {};
-
-function d3_scaleExtent(domain) {
-  var start = domain[0], stop = domain[domain.length - 1];
-  return start < stop ? [start, stop] : [stop, start];
-}
-
-function d3_scaleRange(scale) {
-  return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
-}
-function d3_scale_nice(domain, nice) {
-  var i0 = 0,
-      i1 = domain.length - 1,
-      x0 = domain[i0],
-      x1 = domain[i1],
-      dx;
-
-  if (x1 < x0) {
-    dx = i0; i0 = i1; i1 = dx;
-    dx = x0; x0 = x1; x1 = dx;
-  }
-
-  if (dx = x1 - x0) {
-    nice = nice(dx);
-    domain[i0] = nice.floor(x0);
-    domain[i1] = nice.ceil(x1);
-  }
-
-  return domain;
-}
-
-function d3_scale_niceDefault() {
-  return Math;
-}
-d3.scale.linear = function() {
-  return d3_scale_linear([0, 1], [0, 1], d3.interpolate, false);
-};
-
-function d3_scale_linear(domain, range, interpolate, clamp) {
-  var output,
-      input;
-
-  function rescale() {
-    var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear,
-        uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
-    output = linear(domain, range, uninterpolate, interpolate);
-    input = linear(range, domain, uninterpolate, d3.interpolate);
-    return scale;
-  }
-
-  function scale(x) {
-    return output(x);
-  }
-
-  // Note: requires range is coercible to number!
-  scale.invert = function(y) {
-    return input(y);
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return domain;
-    domain = x.map(Number);
-    return rescale();
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    return rescale();
-  };
-
-  scale.rangeRound = function(x) {
-    return scale.range(x).interpolate(d3.interpolateRound);
-  };
-
-  scale.clamp = function(x) {
-    if (!arguments.length) return clamp;
-    clamp = x;
-    return rescale();
-  };
-
-  scale.interpolate = function(x) {
-    if (!arguments.length) return interpolate;
-    interpolate = x;
-    return rescale();
-  };
-
-  scale.ticks = function(m) {
-    return d3_scale_linearTicks(domain, m);
-  };
-
-  scale.tickFormat = function(m) {
-    return d3_scale_linearTickFormat(domain, m);
-  };
-
-  scale.nice = function() {
-    d3_scale_nice(domain, d3_scale_linearNice);
-    return rescale();
-  };
-
-  scale.copy = function() {
-    return d3_scale_linear(domain, range, interpolate, clamp);
-  };
-
-  return rescale();
-}
-
-function d3_scale_linearRebind(scale, linear) {
-  return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-}
-
-function d3_scale_linearNice(dx) {
-  dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
-  return {
-    floor: function(x) { return Math.floor(x / dx) * dx; },
-    ceil: function(x) { return Math.ceil(x / dx) * dx; }
-  };
-}
-
-function d3_scale_linearTickRange(domain, m) {
-  var extent = d3_scaleExtent(domain),
-      span = extent[1] - extent[0],
-      step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)),
-      err = m / span * step;
-
-  // Filter ticks to get closer to the desired count.
-  if (err <= .15) step *= 10;
-  else if (err <= .35) step *= 5;
-  else if (err <= .75) step *= 2;
-
-  // Round start and stop values to step interval.
-  extent[0] = Math.ceil(extent[0] / step) * step;
-  extent[1] = Math.floor(extent[1] / step) * step + step * .5; // inclusive
-  extent[2] = step;
-  return extent;
-}
-
-function d3_scale_linearTicks(domain, m) {
-  return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
-}
-
-function d3_scale_linearTickFormat(domain, m) {
-  return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f");
-}
-function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
-  var u = uninterpolate(domain[0], domain[1]),
-      i = interpolate(range[0], range[1]);
-  return function(x) {
-    return i(u(x));
-  };
-}
-function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
-  var u = [],
-      i = [],
-      j = 0,
-      k = Math.min(domain.length, range.length) - 1;
-
-  // Handle descending domains.
-  if (domain[k] < domain[0]) {
-    domain = domain.slice().reverse();
-    range = range.slice().reverse();
-  }
-
-  while (++j <= k) {
-    u.push(uninterpolate(domain[j - 1], domain[j]));
-    i.push(interpolate(range[j - 1], range[j]));
-  }
-
-  return function(x) {
-    var j = d3.bisect(domain, x, 1, k) - 1;
-    return i[j](u[j](x));
-  };
-}
-d3.scale.log = function() {
-  return d3_scale_log(d3.scale.linear(), d3_scale_logp);
-};
-
-function d3_scale_log(linear, log) {
-  var pow = log.pow;
-
-  function scale(x) {
-    return linear(log(x));
-  }
-
-  scale.invert = function(x) {
-    return pow(linear.invert(x));
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return linear.domain().map(pow);
-    log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
-    pow = log.pow;
-    linear.domain(x.map(log));
-    return scale;
-  };
-
-  scale.nice = function() {
-    linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
-    return scale;
-  };
-
-  scale.ticks = function() {
-    var extent = d3_scaleExtent(linear.domain()),
-        ticks = [];
-    if (extent.every(isFinite)) {
-      var i = Math.floor(extent[0]),
-          j = Math.ceil(extent[1]),
-          u = pow(extent[0]),
-          v = pow(extent[1]);
-      if (log === d3_scale_logn) {
-        ticks.push(pow(i));
-        for (; i++ < j;) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k);
-      } else {
-        for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k);
-        ticks.push(pow(i));
-      }
-      for (i = 0; ticks[i] < u; i++) {} // strip small values
-      for (j = ticks.length; ticks[j - 1] > v; j--) {} // strip big values
-      ticks = ticks.slice(i, j);
-    }
-    return ticks;
-  };
-
-  scale.tickFormat = function(n, format) {
-    if (arguments.length < 2) format = d3_scale_logFormat;
-    if (arguments.length < 1) return format;
-    var k = n / scale.ticks().length,
-        f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil),
-        e;
-    return function(d) {
-      return d / pow(f(log(d) + e)) < k ? format(d) : "";
-    };
-  };
-
-  scale.copy = function() {
-    return d3_scale_log(linear.copy(), log);
-  };
-
-  return d3_scale_linearRebind(scale, linear);
-}
-
-var d3_scale_logFormat = d3.format(".0e");
-
-function d3_scale_logp(x) {
-  return Math.log(x < 0 ? 0 : x) / Math.LN10;
-}
-
-function d3_scale_logn(x) {
-  return -Math.log(x > 0 ? 0 : -x) / Math.LN10;
-}
-
-d3_scale_logp.pow = function(x) {
-  return Math.pow(10, x);
-};
-
-d3_scale_logn.pow = function(x) {
-  return -Math.pow(10, -x);
-};
-d3.scale.pow = function() {
-  return d3_scale_pow(d3.scale.linear(), 1);
-};
-
-function d3_scale_pow(linear, exponent) {
-  var powp = d3_scale_powPow(exponent),
-      powb = d3_scale_powPow(1 / exponent);
-
-  function scale(x) {
-    return linear(powp(x));
-  }
-
-  scale.invert = function(x) {
-    return powb(linear.invert(x));
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return linear.domain().map(powb);
-    linear.domain(x.map(powp));
-    return scale;
-  };
-
-  scale.ticks = function(m) {
-    return d3_scale_linearTicks(scale.domain(), m);
-  };
-
-  scale.tickFormat = function(m) {
-    return d3_scale_linearTickFormat(scale.domain(), m);
-  };
-
-  scale.nice = function() {
-    return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
-  };
-
-  scale.exponent = function(x) {
-    if (!arguments.length) return exponent;
-    var domain = scale.domain();
-    powp = d3_scale_powPow(exponent = x);
-    powb = d3_scale_powPow(1 / exponent);
-    return scale.domain(domain);
-  };
-
-  scale.copy = function() {
-    return d3_scale_pow(linear.copy(), exponent);
-  };
-
-  return d3_scale_linearRebind(scale, linear);
-}
-
-function d3_scale_powPow(e) {
-  return function(x) {
-    return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
-  };
-}
-d3.scale.sqrt = function() {
-  return d3.scale.pow().exponent(.5);
-};
-d3.scale.ordinal = function() {
-  return d3_scale_ordinal([], {t: "range", x: []});
-};
-
-function d3_scale_ordinal(domain, ranger) {
-  var index,
-      range,
-      rangeBand;
-
-  function scale(x) {
-    return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
-  }
-
-  function steps(start, step) {
-    return d3.range(domain.length).map(function(i) { return start + step * i; });
-  }
-
-  scale.domain = function(x) {
-    if (!arguments.length) return domain;
-    domain = [];
-    index = new d3_Map;
-    var i = -1, n = x.length, xi;
-    while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
-    return scale[ranger.t](ranger.x, ranger.p);
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    rangeBand = 0;
-    ranger = {t: "range", x: x};
-    return scale;
-  };
-
-  scale.rangePoints = function(x, padding) {
-    if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        step = (stop - start) / (domain.length - 1 + padding);
-    range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
-    rangeBand = 0;
-    ranger = {t: "rangePoints", x: x, p: padding};
-    return scale;
-  };
-
-  scale.rangeBands = function(x, padding) {
-    if (arguments.length < 2) padding = 0;
-    var reverse = x[1] < x[0],
-        start = x[reverse - 0],
-        stop = x[1 - reverse],
-        step = (stop - start) / (domain.length + padding);
-    range = steps(start + step * padding, step);
-    if (reverse) range.reverse();
-    rangeBand = step * (1 - padding);
-    ranger = {t: "rangeBands", x: x, p: padding};
-    return scale;
-  };
-
-  scale.rangeRoundBands = function(x, padding) {
-    if (arguments.length < 2) padding = 0;
-    var reverse = x[1] < x[0],
-        start = x[reverse - 0],
-        stop = x[1 - reverse],
-        step = Math.floor((stop - start) / (domain.length + padding)),
-        error = stop - start - (domain.length - padding) * step;
-    range = steps(start + Math.round(error / 2), step);
-    if (reverse) range.reverse();
-    rangeBand = Math.round(step * (1 - padding));
-    ranger = {t: "rangeRoundBands", x: x, p: padding};
-    return scale;
-  };
-
-  scale.rangeBand = function() {
-    return rangeBand;
-  };
-
-  scale.rangeExtent = function() {
-    return d3_scaleExtent(ranger.x);
-  };
-
-  scale.copy = function() {
-    return d3_scale_ordinal(domain, ranger);
-  };
-
-  return scale.domain(domain);
-}
-/*
- * This product includes color specifications and designs developed by Cynthia
- * Brewer (http://colorbrewer.org/). See lib/colorbrewer for more information.
- */
-
-d3.scale.category10 = function() {
-  return d3.scale.ordinal().range(d3_category10);
-};
-
-d3.scale.category20 = function() {
-  return d3.scale.ordinal().range(d3_category20);
-};
-
-d3.scale.category20b = function() {
-  return d3.scale.ordinal().range(d3_category20b);
-};
-
-d3.scale.category20c = function() {
-  return d3.scale.ordinal().range(d3_category20c);
-};
-
-var d3_category10 = [
-  "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd",
-  "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf"
-];
-
-var d3_category20 = [
-  "#1f77b4", "#aec7e8",
-  "#ff7f0e", "#ffbb78",
-  "#2ca02c", "#98df8a",
-  "#d62728", "#ff9896",
-  "#9467bd", "#c5b0d5",
-  "#8c564b", "#c49c94",
-  "#e377c2", "#f7b6d2",
-  "#7f7f7f", "#c7c7c7",
-  "#bcbd22", "#dbdb8d",
-  "#17becf", "#9edae5"
-];
-
-var d3_category20b = [
-  "#393b79", "#5254a3", "#6b6ecf", "#9c9ede",
-  "#637939", "#8ca252", "#b5cf6b", "#cedb9c",
-  "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94",
-  "#843c39", "#ad494a", "#d6616b", "#e7969c",
-  "#7b4173", "#a55194", "#ce6dbd", "#de9ed6"
-];
-
-var d3_category20c = [
-  "#3182bd", "#6baed6", "#9ecae1", "#c6dbef",
-  "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2",
-  "#31a354", "#74c476", "#a1d99b", "#c7e9c0",
-  "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb",
-  "#636363", "#969696", "#bdbdbd", "#d9d9d9"
-];
-d3.scale.quantile = function() {
-  return d3_scale_quantile([], []);
-};
-
-function d3_scale_quantile(domain, range) {
-  var thresholds;
-
-  function rescale() {
-    var k = 0,
-        n = domain.length,
-        q = range.length;
-    thresholds = [];
-    while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
-    return scale;
-  }
-
-  function scale(x) {
-    if (isNaN(x = +x)) return NaN;
-    return range[d3.bisect(thresholds, x)];
-  }
-
-  scale.domain = function(x) {
-    if (!arguments.length) return domain;
-    domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending);
-    return rescale();
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    return rescale();
-  };
-
-  scale.quantiles = function() {
-    return thresholds;
-  };
-
-  scale.copy = function() {
-    return d3_scale_quantile(domain, range); // copy on write!
-  };
-
-  return rescale();
-}
-d3.scale.quantize = function() {
-  return d3_scale_quantize(0, 1, [0, 1]);
-};
-
-function d3_scale_quantize(x0, x1, range) {
-  var kx, i;
-
-  function scale(x) {
-    return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
-  }
-
-  function rescale() {
-    kx = range.length / (x1 - x0);
-    i = range.length - 1;
-    return scale;
-  }
-
-  scale.domain = function(x) {
-    if (!arguments.length) return [x0, x1];
-    x0 = +x[0];
-    x1 = +x[x.length - 1];
-    return rescale();
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    return rescale();
-  };
-
-  scale.copy = function() {
-    return d3_scale_quantize(x0, x1, range); // copy on write
-  };
-
-  return rescale();
-}
-d3.scale.identity = function() {
-  return d3_scale_identity([0, 1]);
-};
-
-function d3_scale_identity(domain) {
-
-  function identity(x) { return +x; }
-
-  identity.invert = identity;
-
-  identity.domain = identity.range = function(x) {
-    if (!arguments.length) return domain;
-    domain = x.map(identity);
-    return identity;
-  };
-
-  identity.ticks = function(m) {
-    return d3_scale_linearTicks(domain, m);
-  };
-
-  identity.tickFormat = function(m) {
-    return d3_scale_linearTickFormat(domain, m);
-  };
-
-  identity.copy = function() {
-    return d3_scale_identity(domain);
-  };
-
-  return identity;
-}
-d3.svg = {};
-d3.svg.arc = function() {
-  var innerRadius = d3_svg_arcInnerRadius,
-      outerRadius = d3_svg_arcOuterRadius,
-      startAngle = d3_svg_arcStartAngle,
-      endAngle = d3_svg_arcEndAngle;
-
-  function arc() {
-    var r0 = innerRadius.apply(this, arguments),
-        r1 = outerRadius.apply(this, arguments),
-        a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset,
-        a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset,
-        da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0),
-        df = da < Math.PI ? "0" : "1",
-        c0 = Math.cos(a0),
-        s0 = Math.sin(a0),
-        c1 = Math.cos(a1),
-        s1 = Math.sin(a1);
-    return da >= d3_svg_arcMax
-      ? (r0
-      ? "M0," + r1
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + r1
-      + "M0," + r0
-      + "A" + r0 + "," + r0 + " 0 1,0 0," + (-r0)
-      + "A" + r0 + "," + r0 + " 0 1,0 0," + r0
-      + "Z"
-      : "M0," + r1
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + r1
-      + "Z")
-      : (r0
-      ? "M" + r1 * c0 + "," + r1 * s0
-      + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
-      + "L" + r0 * c1 + "," + r0 * s1
-      + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0
-      + "Z"
-      : "M" + r1 * c0 + "," + r1 * s0
-      + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
-      + "L0,0"
-      + "Z");
-  }
-
-  arc.innerRadius = function(v) {
-    if (!arguments.length) return innerRadius;
-    innerRadius = d3_functor(v);
-    return arc;
-  };
-
-  arc.outerRadius = function(v) {
-    if (!arguments.length) return outerRadius;
-    outerRadius = d3_functor(v);
-    return arc;
-  };
-
-  arc.startAngle = function(v) {
-    if (!arguments.length) return startAngle;
-    startAngle = d3_functor(v);
-    return arc;
-  };
-
-  arc.endAngle = function(v) {
-    if (!arguments.length) return endAngle;
-    endAngle = d3_functor(v);
-    return arc;
-  };
-
-  arc.centroid = function() {
-    var r = (innerRadius.apply(this, arguments)
-        + outerRadius.apply(this, arguments)) / 2,
-        a = (startAngle.apply(this, arguments)
-        + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
-    return [Math.cos(a) * r, Math.sin(a) * r];
-  };
-
-  return arc;
-};
-
-var d3_svg_arcOffset = -Math.PI / 2,
-    d3_svg_arcMax = 2 * Math.PI - 1e-6;
-
-function d3_svg_arcInnerRadius(d) {
-  return d.innerRadius;
-}
-
-function d3_svg_arcOuterRadius(d) {
-  return d.outerRadius;
-}
-
-function d3_svg_arcStartAngle(d) {
-  return d.startAngle;
-}
-
-function d3_svg_arcEndAngle(d) {
-  return d.endAngle;
-}
-function d3_svg_line(projection) {
-  var x = d3_svg_lineX,
-      y = d3_svg_lineY,
-      defined = d3_true,
-      interpolate = d3_svg_lineInterpolatorDefault,
-      interpolator = d3_svg_lineLinear,
-      tension = .7;
-
-  function line(data) {
-    var segments = [],
-        points = [],
-        i = -1,
-        n = data.length,
-        d,
-        fx = d3_functor(x),
-        fy = d3_functor(y);
-
-    function segment() {
-      segments.push("M", interpolator(projection(points), tension));
-    }
-
-    while (++i < n) {
-      if (defined.call(this, d = data[i], i)) {
-        points.push([+fx.call(this, d, i), +fy.call(this, d, i)]);
-      } else if (points.length) {
-        segment();
-        points = [];
-      }
-    }
-
-    if (points.length) segment();
-
-    return segments.length ? segments.join("") : null;
-  }
-
-  line.x = function(_) {
-    if (!arguments.length) return x;
-    x = _;
-    return line;
-  };
-
-  line.y = function(_) {
-    if (!arguments.length) return y;
-    y = _;
-    return line;
-  };
-
-  line.defined  = function(_) {
-    if (!arguments.length) return defined;
-    defined = _;
-    return line;
-  };
-
-  line.interpolate = function(_) {
-    if (!arguments.length) return interpolate;
-    if (!d3_svg_lineInterpolators.has(_ += "")) _ = d3_svg_lineInterpolatorDefault;
-    interpolator = d3_svg_lineInterpolators.get(interpolate = _);
-    return line;
-  };
-
-  line.tension = function(_) {
-    if (!arguments.length) return tension;
-    tension = _;
-    return line;
-  };
-
-  return line;
-}
-
-d3.svg.line = function() {
-  return d3_svg_line(d3_identity);
-};
-
-// The default `x` property, which references d[0].
-function d3_svg_lineX(d) {
-  return d[0];
-}
-
-// The default `y` property, which references d[1].
-function d3_svg_lineY(d) {
-  return d[1];
-}
-
-var d3_svg_lineInterpolatorDefault = "linear";
-
-// The various interpolators supported by the `line` class.
-var d3_svg_lineInterpolators = d3.map({
-  "linear": d3_svg_lineLinear,
-  "step-before": d3_svg_lineStepBefore,
-  "step-after": d3_svg_lineStepAfter,
-  "basis": d3_svg_lineBasis,
-  "basis-open": d3_svg_lineBasisOpen,
-  "basis-closed": d3_svg_lineBasisClosed,
-  "bundle": d3_svg_lineBundle,
-  "cardinal": d3_svg_lineCardinal,
-  "cardinal-open": d3_svg_lineCardinalOpen,
-  "cardinal-closed": d3_svg_lineCardinalClosed,
-  "monotone": d3_svg_lineMonotone
-});
-
-// Linear interpolation; generates "L" commands.
-function d3_svg_lineLinear(points) {
-  var i = 0,
-      n = points.length,
-      p = points[0],
-      path = [p[0], ",", p[1]];
-  while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]);
-  return path.join("");
-}
-
-// Step interpolation; generates "H" and "V" commands.
-function d3_svg_lineStepBefore(points) {
-  var i = 0,
-      n = points.length,
-      p = points[0],
-      path = [p[0], ",", p[1]];
-  while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
-  return path.join("");
-}
-
-// Step interpolation; generates "H" and "V" commands.
-function d3_svg_lineStepAfter(points) {
-  var i = 0,
-      n = points.length,
-      p = points[0],
-      path = [p[0], ",", p[1]];
-  while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
-  return path.join("");
-}
-
-// Open cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinalOpen(points, tension) {
-  return points.length < 4
-      ? d3_svg_lineLinear(points)
-      : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1),
-        d3_svg_lineCardinalTangents(points, tension));
-}
-
-// Closed cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinalClosed(points, tension) {
-  return points.length < 3
-      ? d3_svg_lineLinear(points)
-      : points[0] + d3_svg_lineHermite((points.push(points[0]), points),
-        d3_svg_lineCardinalTangents([points[points.length - 2]]
-        .concat(points, [points[1]]), tension));
-}
-
-// Cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinal(points, tension, closed) {
-  return points.length < 3
-      ? d3_svg_lineLinear(points)
-      : points[0] + d3_svg_lineHermite(points,
-        d3_svg_lineCardinalTangents(points, tension));
-}
-
-// Hermite spline construction; generates "C" commands.
-function d3_svg_lineHermite(points, tangents) {
-  if (tangents.length < 1
-      || (points.length != tangents.length
-      && points.length != tangents.length + 2)) {
-    return d3_svg_lineLinear(points);
-  }
-
-  var quad = points.length != tangents.length,
-      path = "",
-      p0 = points[0],
-      p = points[1],
-      t0 = tangents[0],
-      t = t0,
-      pi = 1;
-
-  if (quad) {
-    path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3)
-        + "," + p[0] + "," + p[1];
-    p0 = points[1];
-    pi = 2;
-  }
-
-  if (tangents.length > 1) {
-    t = tangents[1];
-    p = points[pi];
-    pi++;
-    path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1])
-        + "," + (p[0] - t[0]) + "," + (p[1] - t[1])
-        + "," + p[0] + "," + p[1];
-    for (var i = 2; i < tangents.length; i++, pi++) {
-      p = points[pi];
-      t = tangents[i];
-      path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1])
-          + "," + p[0] + "," + p[1];
-    }
-  }
-
-  if (quad) {
-    var lp = points[pi];
-    path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3)
-        + "," + lp[0] + "," + lp[1];
-  }
-
-  return path;
-}
-
-// Generates tangents for a cardinal spline.
-function d3_svg_lineCardinalTangents(points, tension) {
-  var tangents = [],
-      a = (1 - tension) / 2,
-      p0,
-      p1 = points[0],
-      p2 = points[1],
-      i = 1,
-      n = points.length;
-  while (++i < n) {
-    p0 = p1;
-    p1 = p2;
-    p2 = points[i];
-    tangents.push([a * (p2[0] - p0[0]), a * (p2[1] - p0[1])]);
-  }
-  return tangents;
-}
-
-// B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasis(points) {
-  if (points.length < 3) return d3_svg_lineLinear(points);
-  var i = 1,
-      n = points.length,
-      pi = points[0],
-      x0 = pi[0],
-      y0 = pi[1],
-      px = [x0, x0, x0, (pi = points[1])[0]],
-      py = [y0, y0, y0, pi[1]],
-      path = [x0, ",", y0];
-  d3_svg_lineBasisBezier(path, px, py);
-  while (++i < n) {
-    pi = points[i];
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  i = -1;
-  while (++i < 2) {
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  return path.join("");
-}
-
-// Open B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasisOpen(points) {
-  if (points.length < 4) return d3_svg_lineLinear(points);
-  var path = [],
-      i = -1,
-      n = points.length,
-      pi,
-      px = [0],
-      py = [0];
-  while (++i < 3) {
-    pi = points[i];
-    px.push(pi[0]);
-    py.push(pi[1]);
-  }
-  path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px)
-    + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
-  --i; while (++i < n) {
-    pi = points[i];
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  return path.join("");
-}
-
-// Closed B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasisClosed(points) {
-  var path,
-      i = -1,
-      n = points.length,
-      m = n + 4,
-      pi,
-      px = [],
-      py = [];
-  while (++i < 4) {
-    pi = points[i % n];
-    px.push(pi[0]);
-    py.push(pi[1]);
-  }
-  path = [
-    d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",",
-    d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)
-  ];
-  --i; while (++i < m) {
-    pi = points[i % n];
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  return path.join("");
-}
-
-function d3_svg_lineBundle(points, tension) {
-  var n = points.length - 1,
-      x0 = points[0][0],
-      y0 = points[0][1],
-      dx = points[n][0] - x0,
-      dy = points[n][1] - y0,
-      i = -1,
-      p,
-      t;
-  while (++i <= n) {
-    p = points[i];
-    t = i / n;
-    p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
-    p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
-  }
-  return d3_svg_lineBasis(points);
-}
-
-// Returns the dot product of the given four-element vectors.
-function d3_svg_lineDot4(a, b) {
-  return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
-}
-
-// Matrix to transform basis (b-spline) control points to bezier
-// control points. Derived from FvD 11.2.8.
-var d3_svg_lineBasisBezier1 = [0, 2/3, 1/3, 0],
-    d3_svg_lineBasisBezier2 = [0, 1/3, 2/3, 0],
-    d3_svg_lineBasisBezier3 = [0, 1/6, 2/3, 1/6];
-
-// Pushes a "C" Bézier curve onto the specified path array, given the
-// two specified four-element arrays which define the control points.
-function d3_svg_lineBasisBezier(path, x, y) {
-  path.push(
-      "C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
-}
-
-// Computes the slope from points p0 to p1.
-function d3_svg_lineSlope(p0, p1) {
-  return (p1[1] - p0[1]) / (p1[0] - p0[0]);
-}
-
-// Compute three-point differences for the given points.
-// http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Finite_difference
-function d3_svg_lineFiniteDifferences(points) {
-  var i = 0,
-      j = points.length - 1,
-      m = [],
-      p0 = points[0],
-      p1 = points[1],
-      d = m[0] = d3_svg_lineSlope(p0, p1);
-  while (++i < j) {
-    m[i] = d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]));
-  }
-  m[i] = d;
-  return m;
-}
-
-// Interpolates the given points using Fritsch-Carlson Monotone cubic Hermite
-// interpolation. Returns an array of tangent vectors. For details, see
-// http://en.wikipedia.org/wiki/Monotone_cubic_interpolation
-function d3_svg_lineMonotoneTangents(points) {
-  var tangents = [],
-      d,
-      a,
-      b,
-      s,
-      m = d3_svg_lineFiniteDifferences(points),
-      i = -1,
-      j = points.length - 1;
-
-  // The first two steps are done by computing finite-differences:
-  // 1. Compute the slopes of the secant lines between successive points.
-  // 2. Initialize the tangents at every point as the average of the secants.
-
-  // Then, for each segment…
-  while (++i < j) {
-    d = d3_svg_lineSlope(points[i], points[i + 1]);
-
-    // 3. If two successive yk = y{k + 1} are equal (i.e., d is zero), then set
-    // mk = m{k + 1} = 0 as the spline connecting these points must be flat to
-    // preserve monotonicity. Ignore step 4 and 5 for those k.
-
-    if (Math.abs(d) < 1e-6) {
-      m[i] = m[i + 1] = 0;
-    } else {
-      // 4. Let ak = mk / dk and bk = m{k + 1} / dk.
-      a = m[i] / d;
-      b = m[i + 1] / d;
-
-      // 5. Prevent overshoot and ensure monotonicity by restricting the
-      // magnitude of vector <ak, bk> to a circle of radius 3.
-      s = a * a + b * b;
-      if (s > 9) {
-        s = d * 3 / Math.sqrt(s);
-        m[i] = s * a;
-        m[i + 1] = s * b;
-      }
-    }
-  }
-
-  // Compute the normalized tangent vector from the slopes. Note that if x is
-  // not monotonic, it's possible that the slope will be infinite, so we protect
-  // against NaN by setting the coordinate to zero.
-  i = -1; while (++i <= j) {
-    s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
-    tangents.push([s || 0, m[i] * s || 0]);
-  }
-
-  return tangents;
-}
-
-function d3_svg_lineMonotone(points) {
-  return points.length < 3
-      ? d3_svg_lineLinear(points)
-      : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
-}
-d3.svg.line.radial = function() {
-  var line = d3_svg_line(d3_svg_lineRadial);
-  line.radius = line.x, delete line.x;
-  line.angle = line.y, delete line.y;
-  return line;
-};
-
-function d3_svg_lineRadial(points) {
-  var point,
-      i = -1,
-      n = points.length,
-      r,
-      a;
-  while (++i < n) {
-    point = points[i];
-    r = point[0];
-    a = point[1] + d3_svg_arcOffset;
-    point[0] = r * Math.cos(a);
-    point[1] = r * Math.sin(a);
-  }
-  return points;
-}
-function d3_svg_area(projection) {
-  var x0 = d3_svg_lineX,
-      x1 = d3_svg_lineX,
-      y0 = 0,
-      y1 = d3_svg_lineY,
-      defined = d3_true,
-      interpolate = d3_svg_lineInterpolatorDefault,
-      i0 = d3_svg_lineLinear,
-      i1 = d3_svg_lineLinear,
-      L = "L",
-      tension = .7;
-
-  function area(data) {
-    var segments = [],
-        points0 = [],
-        points1 = [],
-        i = -1,
-        n = data.length,
-        d,
-        fx0 = d3_functor(x0),
-        fy0 = d3_functor(y0),
-        fx1 = x0 === x1 ? function() { return x; } : d3_functor(x1),
-        fy1 = y0 === y1 ? function() { return y; } : d3_functor(y1),
-        x,
-        y;
-
-    function segment() {
-      segments.push("M", i0(projection(points1), tension),
-          L, i1(projection(points0.reverse()), tension),
-          "Z");
-    }
-
-    while (++i < n) {
-      if (defined.call(this, d = data[i], i)) {
-        points0.push([x = +fx0.call(this, d, i), y = +fy0.call(this, d, i)]);
-        points1.push([+fx1.call(this, d, i), +fy1.call(this, d, i)]);
-      } else if (points0.length) {
-        segment();
-        points0 = [];
-        points1 = [];
-      }
-    }
-
-    if (points0.length) segment();
-
-    return segments.length ? segments.join("") : null;
-  }
-
-  area.x = function(_) {
-    if (!arguments.length) return x1;
-    x0 = x1 = _;
-    return area;
-  };
-
-  area.x0 = function(_) {
-    if (!arguments.length) return x0;
-    x0 = _;
-    return area;
-  };
-
-  area.x1 = function(_) {
-    if (!arguments.length) return x1;
-    x1 = _;
-    return area;
-  };
-
-  area.y = function(_) {
-    if (!arguments.length) return y1;
-    y0 = y1 = _;
-    return area;
-  };
-
-  area.y0 = function(_) {
-    if (!arguments.length) return y0;
-    y0 = _;
-    return area;
-  };
-
-  area.y1 = function(_) {
-    if (!arguments.length) return y1;
-    y1 = _;
-    return area;
-  };
-
-  area.defined  = function(_) {
-    if (!arguments.length) return defined;
-    defined = _;
-    return area;
-  };
-
-  area.interpolate = function(_) {
-    if (!arguments.length) return interpolate;
-    if (!d3_svg_lineInterpolators.has(_ += "")) _ = d3_svg_lineInterpolatorDefault;
-    i0 = d3_svg_lineInterpolators.get(interpolate = _);
-    i1 = i0.reverse || i0;
-    L = /-closed$/.test(_) ? "M" : "L";
-    return area;
-  };
-
-  area.tension = function(_) {
-    if (!arguments.length) return tension;
-    tension = _;
-    return area;
-  };
-
-  return area;
-}
-
-d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
-d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
-
-d3.svg.area = function() {
-  return d3_svg_area(Object);
-};
-d3.svg.area.radial = function() {
-  var area = d3_svg_area(d3_svg_lineRadial);
-  area.radius = area.x, delete area.x;
-  area.innerRadius = area.x0, delete area.x0;
-  area.outerRadius = area.x1, delete area.x1;
-  area.angle = area.y, delete area.y;
-  area.startAngle = area.y0, delete area.y0;
-  area.endAngle = area.y1, delete area.y1;
-  return area;
-};
-d3.svg.chord = function() {
-  var source = d3_svg_chordSource,
-      target = d3_svg_chordTarget,
-      radius = d3_svg_chordRadius,
-      startAngle = d3_svg_arcStartAngle,
-      endAngle = d3_svg_arcEndAngle;
-
-  // TODO Allow control point to be customized.
-
-  function chord(d, i) {
-    var s = subgroup(this, source, d, i),
-        t = subgroup(this, target, d, i);
-    return "M" + s.p0
-      + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t)
-      ? curve(s.r, s.p1, s.r, s.p0)
-      : curve(s.r, s.p1, t.r, t.p0)
-      + arc(t.r, t.p1, t.a1 - t.a0)
-      + curve(t.r, t.p1, s.r, s.p0))
-      + "Z";
-  }
-
-  function subgroup(self, f, d, i) {
-    var subgroup = f.call(self, d, i),
-        r = radius.call(self, subgroup, i),
-        a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset,
-        a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
-    return {
-      r: r,
-      a0: a0,
-      a1: a1,
-      p0: [r * Math.cos(a0), r * Math.sin(a0)],
-      p1: [r * Math.cos(a1), r * Math.sin(a1)]
     };
   }
-
-  function equals(a, b) {
-    return a.a0 == b.a0 && a.a1 == b.a1;
-  }
-
-  function arc(r, p, a) {
-    return "A" + r + "," + r + " 0 " + +(a > Math.PI) + ",1 " + p;
-  }
-
-  function curve(r0, p0, r1, p1) {
-    return "Q 0,0 " + p1;
-  }
-
-  chord.radius = function(v) {
-    if (!arguments.length) return radius;
-    radius = d3_functor(v);
-    return chord;
-  };
-
-  chord.source = function(v) {
-    if (!arguments.length) return source;
-    source = d3_functor(v);
-    return chord;
-  };
-
-  chord.target = function(v) {
-    if (!arguments.length) return target;
-    target = d3_functor(v);
-    return chord;
-  };
-
-  chord.startAngle = function(v) {
-    if (!arguments.length) return startAngle;
-    startAngle = d3_functor(v);
-    return chord;
-  };
-
-  chord.endAngle = function(v) {
-    if (!arguments.length) return endAngle;
-    endAngle = d3_functor(v);
-    return chord;
-  };
-
-  return chord;
-};
-
-function d3_svg_chordSource(d) {
-  return d.source;
-}
-
-function d3_svg_chordTarget(d) {
-  return d.target;
-}
-
-function d3_svg_chordRadius(d) {
-  return d.radius;
-}
-
-function d3_svg_chordStartAngle(d) {
-  return d.startAngle;
-}
-
-function d3_svg_chordEndAngle(d) {
-  return d.endAngle;
-}
-d3.svg.diagonal = function() {
-  var source = d3_svg_chordSource,
-      target = d3_svg_chordTarget,
-      projection = d3_svg_diagonalProjection;
-
-  function diagonal(d, i) {
-    var p0 = source.call(this, d, i),
-        p3 = target.call(this, d, i),
-        m = (p0.y + p3.y) / 2,
-        p = [p0, {x: p0.x, y: m}, {x: p3.x, y: m}, p3];
-    p = p.map(projection);
-    return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
-  }
-
-  diagonal.source = function(x) {
-    if (!arguments.length) return source;
-    source = d3_functor(x);
-    return diagonal;
-  };
-
-  diagonal.target = function(x) {
-    if (!arguments.length) return target;
-    target = d3_functor(x);
-    return diagonal;
-  };
-
-  diagonal.projection = function(x) {
-    if (!arguments.length) return projection;
-    projection = x;
-    return diagonal;
-  };
-
-  return diagonal;
-};
-
-function d3_svg_diagonalProjection(d) {
-  return [d.x, d.y];
-}
-d3.svg.diagonal.radial = function() {
-  var diagonal = d3.svg.diagonal(),
-      projection = d3_svg_diagonalProjection,
-      projection_ = diagonal.projection;
-
-  diagonal.projection = function(x) {
-    return arguments.length
-        ? projection_(d3_svg_diagonalRadialProjection(projection = x))
-        : projection;
-  };
-
-  return diagonal;
-};
-
-function d3_svg_diagonalRadialProjection(projection) {
-  return function() {
-    var d = projection.apply(this, arguments),
-        r = d[0],
-        a = d[1] + d3_svg_arcOffset;
-    return [r * Math.cos(a), r * Math.sin(a)];
-  };
-}
-d3.svg.mouse = d3.mouse;
-d3.svg.touches = d3.touches;
-d3.svg.symbol = function() {
-  var type = d3_svg_symbolType,
-      size = d3_svg_symbolSize;
-
-  function symbol(d, i) {
-    return (d3_svg_symbols.get(type.call(this, d, i))
-        || d3_svg_symbolCircle)
-        (size.call(this, d, i));
-  }
-
-  symbol.type = function(x) {
-    if (!arguments.length) return type;
-    type = d3_functor(x);
-    return symbol;
-  };
-
-  // size of symbol in square pixels
-  symbol.size = function(x) {
-    if (!arguments.length) return size;
-    size = d3_functor(x);
-    return symbol;
-  };
-
-  return symbol;
-};
-
-function d3_svg_symbolSize() {
-  return 64;
-}
-
-function d3_svg_symbolType() {
-  return "circle";
-}
-
-function d3_svg_symbolCircle(size) {
-  var r = Math.sqrt(size / Math.PI);
-  return "M0," + r
-      + "A" + r + "," + r + " 0 1,1 0," + (-r)
-      + "A" + r + "," + r + " 0 1,1 0," + r
-      + "Z";
-}
-
-// TODO cross-diagonal?
-var d3_svg_symbols = d3.map({
-  "circle": d3_svg_symbolCircle,
-  "cross": function(size) {
-    var r = Math.sqrt(size / 5) / 2;
-    return "M" + -3 * r + "," + -r
-        + "H" + -r
-        + "V" + -3 * r
-        + "H" + r
-        + "V" + -r
-        + "H" + 3 * r
-        + "V" + r
-        + "H" + r
-        + "V" + 3 * r
-        + "H" + -r
-        + "V" + r
-        + "H" + -3 * r
-        + "Z";
-  },
-  "diamond": function(size) {
-    var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)),
-        rx = ry * d3_svg_symbolTan30;
-    return "M0," + -ry
-        + "L" + rx + ",0"
-        + " 0," + ry
-        + " " + -rx + ",0"
-        + "Z";
-  },
-  "square": function(size) {
-    var r = Math.sqrt(size) / 2;
-    return "M" + -r + "," + -r
-        + "L" + r + "," + -r
-        + " " + r + "," + r
-        + " " + -r + "," + r
-        + "Z";
-  },
-  "triangle-down": function(size) {
-    var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
-        ry = rx * d3_svg_symbolSqrt3 / 2;
-    return "M0," + ry
-        + "L" + rx +"," + -ry
-        + " " + -rx + "," + -ry
-        + "Z";
-  },
-  "triangle-up": function(size) {
-    var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
-        ry = rx * d3_svg_symbolSqrt3 / 2;
-    return "M0," + -ry
-        + "L" + rx +"," + ry
-        + " " + -rx + "," + ry
-        + "Z";
-  }
-});
-
-d3.svg.symbolTypes = d3_svg_symbols.keys();
-
-var d3_svg_symbolSqrt3 = Math.sqrt(3),
-    d3_svg_symbolTan30 = Math.tan(30 * Math.PI / 180);
-d3.svg.axis = function() {
-  var scale = d3.scale.linear(),
-      orient = "bottom",
-      tickMajorSize = 6,
-      tickMinorSize = 6,
-      tickEndSize = 6,
-      tickPadding = 3,
-      tickArguments_ = [10],
-      tickValues = null,
-      tickFormat_,
-      tickSubdivide = 0;
-
-  function axis(g) {
-    g.each(function() {
-      var g = d3.select(this);
-
-      // Ticks, or domain values for ordinal scales.
-      var ticks = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain()) : tickValues,
-          tickFormat = tickFormat_ == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String) : tickFormat_;
-
-      // Minor ticks.
-      var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide),
-          subtick = g.selectAll(".minor").data(subticks, String),
-          subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6),
-          subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(),
-          subtickUpdate = d3.transition(subtick).style("opacity", 1);
-
-      // Major ticks.
-      var tick = g.selectAll("g").data(ticks, String),
-          tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6),
-          tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(),
-          tickUpdate = d3.transition(tick).style("opacity", 1),
-          tickTransform;
-
-      // Domain.
-      var range = d3_scaleRange(scale),
-          path = g.selectAll(".domain").data([0]),
-          pathEnter = path.enter().append("path").attr("class", "domain"),
-          pathUpdate = d3.transition(path);
-
-      // Stash a snapshot of the new scale, and retrieve the old snapshot.
-      var scale1 = scale.copy(),
-          scale0 = this.__chart__ || scale1;
-      this.__chart__ = scale1;
-
-      tickEnter.append("line").attr("class", "tick");
-      tickEnter.append("text");
-      tickUpdate.select("text").text(tickFormat);
-
-      switch (orient) {
-        case "bottom": {
-          tickTransform = d3_svg_axisX;
-          subtickEnter.attr("y2", tickMinorSize);
-          subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
-          tickEnter.select("line").attr("y2", tickMajorSize);
-          tickEnter.select("text").attr("y", Math.max(tickMajorSize, 0) + tickPadding);
-          tickUpdate.select("line").attr("x2", 0).attr("y2", tickMajorSize);
-          tickUpdate.select("text").attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding).attr("dy", ".71em").attr("text-anchor", "middle");
-          pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
-          break;
-        }
-        case "top": {
-          tickTransform = d3_svg_axisX;
-          subtickEnter.attr("y2", -tickMinorSize);
-          subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
-          tickEnter.select("line").attr("y2", -tickMajorSize);
-          tickEnter.select("text").attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
-          tickUpdate.select("line").attr("x2", 0).attr("y2", -tickMajorSize);
-          tickUpdate.select("text").attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("dy", "0em").attr("text-anchor", "middle");
-          pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
-          break;
-        }
-        case "left": {
-          tickTransform = d3_svg_axisY;
-          subtickEnter.attr("x2", -tickMinorSize);
-          subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
-          tickEnter.select("line").attr("x2", -tickMajorSize);
-          tickEnter.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
-          tickUpdate.select("line").attr("x2", -tickMajorSize).attr("y2", 0);
-          tickUpdate.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "end");
-          pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
-          break;
-        }
-        case "right": {
-          tickTransform = d3_svg_axisY;
-          subtickEnter.attr("x2", tickMinorSize);
-          subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
-          tickEnter.select("line").attr("x2", tickMajorSize);
-          tickEnter.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding);
-          tickUpdate.select("line").attr("x2", tickMajorSize).attr("y2", 0);
-          tickUpdate.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "start");
-          pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
-          break;
-        }
-      }
-
-      // For quantitative scales:
-      // - enter new ticks from the old scale
-      // - exit old ticks to the new scale
-      if (scale.ticks) {
-        tickEnter.call(tickTransform, scale0);
-        tickUpdate.call(tickTransform, scale1);
-        tickExit.call(tickTransform, scale1);
-        subtickEnter.call(tickTransform, scale0);
-        subtickUpdate.call(tickTransform, scale1);
-        subtickExit.call(tickTransform, scale1);
-      }
-
-      // For ordinal scales:
-      // - any entering ticks are undefined in the old scale
-      // - any exiting ticks are undefined in the new scale
-      // Therefore, we only need to transition updating ticks.
-      else {
-        var dx = scale1.rangeBand() / 2, x = function(d) { return scale1(d) + dx; };
-        tickEnter.call(tickTransform, x);
-        tickUpdate.call(tickTransform, x);
+  function d3_selection_onFilter(listener, argumentz) {
+    var l = d3_selection_onListener(listener, argumentz);
+    return function(e) {
+      var target = this, related = e.relatedTarget;
+      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
+        l.call(target, e);
       }
+    };
+  }
+  d3_selectionPrototype.each = function(callback) {
+    return d3_selection_each(this, function(node, i, j) {
+      callback.call(node, node.__data__, i, j);
     });
+  };
+  function d3_selection_each(groups, callback) {
+    for (var j = 0, m = groups.length; j < m; j++) {
+      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+        if (node = group[i]) callback(node, i, j);
+      }
+    }
+    return groups;
   }
-
-  axis.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = x;
-    return axis;
+  d3_selectionPrototype.call = function(callback) {
+    var args = d3_array(arguments);
+    callback.apply(args[0] = this, args);
+    return this;
   };
-
-  axis.orient = function(x) {
-    if (!arguments.length) return orient;
-    orient = x;
-    return axis;
+  d3_selectionPrototype.empty = function() {
+    return !this.node();
   };
-
-  axis.ticks = function() {
-    if (!arguments.length) return tickArguments_;
-    tickArguments_ = arguments;
-    return axis;
-  };
-
-  axis.tickValues = function(x) {
-    if (!arguments.length) return tickValues;
-    tickValues = x;
-    return axis;
-  };
-
-  axis.tickFormat = function(x) {
-    if (!arguments.length) return tickFormat_;
-    tickFormat_ = x;
-    return axis;
-  };
-
-  axis.tickSize = function(x, y, z) {
-    if (!arguments.length) return tickMajorSize;
-    var n = arguments.length - 1;
-    tickMajorSize = +x;
-    tickMinorSize = n > 1 ? +y : tickMajorSize;
-    tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
-    return axis;
-  };
-
-  axis.tickPadding = function(x) {
-    if (!arguments.length) return tickPadding;
-    tickPadding = +x;
-    return axis;
-  };
-
-  axis.tickSubdivide = function(x) {
-    if (!arguments.length) return tickSubdivide;
-    tickSubdivide = +x;
-    return axis;
-  };
-
-  return axis;
-};
-
-function d3_svg_axisX(selection, x) {
-  selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; });
-}
-
-function d3_svg_axisY(selection, y) {
-  selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; });
-}
-
-function d3_svg_axisSubdivide(scale, ticks, m) {
-  subticks = [];
-  if (m && ticks.length > 1) {
-    var extent = d3_scaleExtent(scale.domain()),
-        subticks,
-        i = -1,
-        n = ticks.length,
-        d = (ticks[1] - ticks[0]) / ++m,
-        j,
-        v;
-    while (++i < n) {
-      for (j = m; --j > 0;) {
-        if ((v = +ticks[i] - j * d) >= extent[0]) {
-          subticks.push(v);
-        }
+  d3_selectionPrototype.node = function() {
+    for (var j = 0, m = this.length; j < m; j++) {
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        var node = group[i];
+        if (node) return node;
       }
     }
-    for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
-      subticks.push(v);
-    }
+    return null;
+  };
+  function d3_selection_enter(selection) {
+    d3_arraySubclass(selection, d3_selection_enterPrototype);
+    return selection;
   }
-  return subticks;
-}
-d3.svg.brush = function() {
-  var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"),
-      x = null, // x-scale, optional
-      y = null, // y-scale, optional
-      resizes = d3_svg_brushResizes[0],
-      extent = [[0, 0], [0, 0]], // [x0, y0], [x1, y1], in pixels (integers)
-      extentDomain; // the extent in data space, lazily created
-
-  function brush(g) {
-    g.each(function() {
-      var g = d3.select(this),
-          bg = g.selectAll(".background").data([0]),
-          fg = g.selectAll(".extent").data([0]),
-          tz = g.selectAll(".resize").data(resizes, String),
-          e;
-
-      // Prepare the brush container for events.
-      g
-          .style("pointer-events", "all")
-          .on("mousedown.brush", brushstart)
-          .on("touchstart.brush", brushstart);
-
-      // An invisible, mouseable area for starting a new brush.
-      bg.enter().append("rect")
-          .attr("class", "background")
-          .style("visibility", "hidden")
-          .style("cursor", "crosshair");
-
-      // The visible brush extent; style this as you like!
-      fg.enter().append("rect")
-          .attr("class", "extent")
-          .style("cursor", "move");
-
-      // More invisible rects for resizing the extent.
-      tz.enter().append("g")
-          .attr("class", function(d) { return "resize " + d; })
-          .style("cursor", function(d) { return d3_svg_brushCursor[d]; })
-        .append("rect")
-          .attr("x", function(d) { return /[ew]$/.test(d) ? -3 : null; })
-          .attr("y", function(d) { return /^[ns]/.test(d) ? -3 : null; })
-          .attr("width", 6)
-          .attr("height", 6)
-          .style("visibility", "hidden");
-
-      // Show or hide the resizers.
-      tz.style("display", brush.empty() ? "none" : null);
-
-      // Remove any superfluous resizers.
-      tz.exit().remove();
-
-      // Initialize the background to fill the defined range.
-      // If the range isn't defined, you can post-process.
-      if (x) {
-        e = d3_scaleRange(x);
-        bg.attr("x", e[0]).attr("width", e[1] - e[0]);
-        redrawX(g);
-      }
-      if (y) {
-        e = d3_scaleRange(y);
-        bg.attr("y", e[0]).attr("height", e[1] - e[0]);
-        redrawY(g);
-      }
-      redraw(g);
-    });
-  }
-
-  function redraw(g) {
-    g.selectAll(".resize").attr("transform", function(d) {
-      return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
-    });
-  }
-
-  function redrawX(g) {
-    g.select(".extent").attr("x", extent[0][0]);
-    g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
-  }
-
-  function redrawY(g) {
-    g.select(".extent").attr("y", extent[0][1]);
-    g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
-  }
-
-  function brushstart() {
-    var target = this,
-        eventTarget = d3.select(d3.event.target),
-        event_ = event.of(target, arguments),
-        g = d3.select(target),
-        resizing = eventTarget.datum(),
-        resizingX = !/^(n|s)$/.test(resizing) && x,
-        resizingY = !/^(e|w)$/.test(resizing) && y,
-        dragging = eventTarget.classed("extent"),
-        center,
-        origin = mouse(),
-        offset;
-
-    var w = d3.select(window)
-        .on("mousemove.brush", brushmove)
-        .on("mouseup.brush", brushend)
-        .on("touchmove.brush", brushmove)
-        .on("touchend.brush", brushend)
-        .on("keydown.brush", keydown)
-        .on("keyup.brush", keyup);
-
-    // If the extent was clicked on, drag rather than brush;
-    // store the point between the mouse and extent origin instead.
-    if (dragging) {
-      origin[0] = extent[0][0] - origin[0];
-      origin[1] = extent[0][1] - origin[1];
-    }
-
-    // If a resizer was clicked on, record which side is to be resized.
-    // Also, set the origin to the opposite side.
-    else if (resizing) {
-      var ex = +/w$/.test(resizing),
-          ey = +/^n/.test(resizing);
-      offset = [extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1]];
-      origin[0] = extent[ex][0];
-      origin[1] = extent[ey][1];
-    }
-
-    // If the ALT key is down when starting a brush, the center is at the mouse.
-    else if (d3.event.altKey) center = origin.slice();
-
-    // Propagate the active cursor to the body for the drag duration.
-    g.style("pointer-events", "none").selectAll(".resize").style("display", null);
-    d3.select("body").style("cursor", eventTarget.style("cursor"));
-
-    // Notify listeners.
-    event_({type: "brushstart"});
-    brushmove();
-    d3_eventCancel();
-
-    function mouse() {
-      var touches = d3.event.changedTouches;
-      return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
-    }
-
-    function keydown() {
-      if (d3.event.keyCode == 32) {
-        if (!dragging) {
-          center = null;
-          origin[0] -= extent[1][0];
-          origin[1] -= extent[1][1];
-          dragging = 2;
-        }
-        d3_eventCancel();
-      }
-    }
-
-    function keyup() {
-      if (d3.event.keyCode == 32 && dragging == 2) {
-        origin[0] += extent[1][0];
-        origin[1] += extent[1][1];
-        dragging = 0;
-        d3_eventCancel();
-      }
-    }
-
-    function brushmove() {
-      var point = mouse(),
-          moved = false;
-
-      // Preserve the offset for thick resizers.
-      if (offset) {
-        point[0] += offset[0];
-        point[1] += offset[1];
-      }
-
-      if (!dragging) {
-
-        // If needed, determine the center from the current extent.
-        if (d3.event.altKey) {
-          if (!center) center = [(extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2];
-
-          // Update the origin, for when the ALT key is released.
-          origin[0] = extent[+(point[0] < center[0])][0];
-          origin[1] = extent[+(point[1] < center[1])][1];
-        }
-
-        // When the ALT key is released, we clear the center.
-        else center = null;
-      }
-
-      // Update the brush extent for each dimension.
-      if (resizingX && move1(point, x, 0)) {
-        redrawX(g);
-        moved = true;
-      }
-      if (resizingY && move1(point, y, 1)) {
-        redrawY(g);
-        moved = true;
-      }
-
-      // Final redraw and notify listeners.
-      if (moved) {
-        redraw(g);
-        event_({type: "brush", mode: dragging ? "move" : "resize"});
-      }
-    }
-
-    function move1(point, scale, i) {
-      var range = d3_scaleRange(scale),
-          r0 = range[0],
-          r1 = range[1],
-          position = origin[i],
-          size = extent[1][i] - extent[0][i],
-          min,
-          max;
-
-      // When dragging, reduce the range by the extent size and position.
-      if (dragging) {
-        r0 -= position;
-        r1 -= size + position;
-      }
-
-      // Clamp the point so that the extent fits within the range extent.
-      min = Math.max(r0, Math.min(r1, point[i]));
-
-      // Compute the new extent bounds.
-      if (dragging) {
-        max = (min += position) + size;
-      } else {
-
-        // If the ALT key is pressed, then preserve the center of the extent.
-        if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
-
-        // Compute the min and max of the position and point.
-        if (position < min) {
-          max = min;
-          min = position;
+  var d3_selection_enterPrototype = [];
+  d3.selection.enter = d3_selection_enter;
+  d3.selection.enter.prototype = d3_selection_enterPrototype;
+  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+  d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
+  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+  d3_selection_enterPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, upgroup, group, node;
+    for (var j = -1, m = this.length; ++j < m; ) {
+      upgroup = (group = this[j]).update;
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = group.parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
+          subnode.__data__ = node.__data__;
         } else {
-          max = position;
+          subgroup.push(null);
         }
       }
-
-      // Update the stored bounds.
-      if (extent[0][i] !== min || extent[1][i] !== max) {
-        extentDomain = null;
-        extent[0][i] = min;
-        extent[1][i] = max;
-        return true;
+    }
+    return d3_selection(subgroups);
+  };
+  d3_selectionPrototype.transition = function() {
+    var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = Object.create(d3_transitionInherit);
+    transition.time = Date.now();
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) d3_transitionNode(node, i, id, transition);
+        subgroup.push(node);
       }
     }
-
-    function brushend() {
-      brushmove();
-
-      // reset the cursor styles
-      g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
-      d3.select("body").style("cursor", null);
-
-      w .on("mousemove.brush", null)
-        .on("mouseup.brush", null)
-        .on("touchmove.brush", null)
-        .on("touchend.brush", null)
-        .on("keydown.brush", null)
-        .on("keyup.brush", null);
-
-      event_({type: "brushend"});
+    return d3_transition(subgroups, id);
+  };
+  var d3_selectionRoot = d3_selection([ [ d3_document ] ]);
+  d3_selectionRoot[0].parentNode = d3_selectRoot;
+  d3.select = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
+  };
+  d3.selectAll = function(selector) {
+    return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
+  };
+  d3.behavior.zoom = function() {
+    var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime;
+    function zoom() {
+      this.on("mousedown.zoom", mousedown).on("mousemove.zoom", mousemove).on(d3_behavior_zoomWheel + ".zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart);
+    }
+    zoom.translate = function(x) {
+      if (!arguments.length) return translate;
+      translate = x.map(Number);
+      rescale();
+      return zoom;
+    };
+    zoom.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = +x;
+      rescale();
+      return zoom;
+    };
+    zoom.scaleExtent = function(x) {
+      if (!arguments.length) return scaleExtent;
+      scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
+      return zoom;
+    };
+    zoom.x = function(z) {
+      if (!arguments.length) return x1;
+      x1 = z;
+      x0 = z.copy();
+      translate = [ 0, 0 ];
+      scale = 1;
+      return zoom;
+    };
+    zoom.y = function(z) {
+      if (!arguments.length) return y1;
+      y1 = z;
+      y0 = z.copy();
+      translate = [ 0, 0 ];
+      scale = 1;
+      return zoom;
+    };
+    function location(p) {
+      return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ];
+    }
+    function point(l) {
+      return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ];
+    }
+    function scaleTo(s) {
+      scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+    }
+    function translateTo(p, l) {
+      l = point(l);
+      translate[0] += p[0] - l[0];
+      translate[1] += p[1] - l[1];
+    }
+    function rescale() {
+      if (x1) x1.domain(x0.range().map(function(x) {
+        return (x - translate[0]) / scale;
+      }).map(x0.invert));
+      if (y1) y1.domain(y0.range().map(function(y) {
+        return (y - translate[1]) / scale;
+      }).map(y0.invert));
+    }
+    function dispatch(event) {
+      rescale();
+      d3.event.preventDefault();
+      event({
+        type: "zoom",
+        scale: scale,
+        translate: translate
+      });
+    }
+    function mousedown() {
+      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(d3_window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target));
+      d3_window.focus();
       d3_eventCancel();
-    }
-  }
-
-  brush.x = function(z) {
-    if (!arguments.length) return x;
-    x = z;
-    resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore!
-    return brush;
-  };
-
-  brush.y = function(z) {
-    if (!arguments.length) return y;
-    y = z;
-    resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore!
-    return brush;
-  };
-
-  brush.extent = function(z) {
-    var x0, x1, y0, y1, t;
-
-    // Invert the pixel extent to data-space.
-    if (!arguments.length) {
-      z = extentDomain || extent;
-      if (x) {
-        x0 = z[0][0], x1 = z[1][0];
-        if (!extentDomain) {
-          x0 = extent[0][0], x1 = extent[1][0];
-          if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
-          if (x1 < x0) t = x0, x0 = x1, x1 = t;
-        }
+      function mousemove() {
+        moved = 1;
+        translateTo(d3.mouse(target), l);
+        dispatch(event_);
       }
-      if (y) {
-        y0 = z[0][1], y1 = z[1][1];
-        if (!extentDomain) {
-          y0 = extent[0][1], y1 = extent[1][1];
-          if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
-          if (y1 < y0) t = y0, y0 = y1, y1 = t;
-        }
+      function mouseup() {
+        if (moved) d3_eventCancel();
+        w.on("mousemove.zoom", null).on("mouseup.zoom", null);
+        if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true);
       }
-      return x && y ? [[x0, y0], [x1, y1]] : x ? [x0, x1] : y && [y0, y1];
-    }
-
-    // Scale the data-space extent to pixels.
-    extentDomain = [[0, 0], [0, 0]];
-    if (x) {
-      x0 = z[0], x1 = z[1];
-      if (y) x0 = x0[0], x1 = x1[0];
-      extentDomain[0][0] = x0, extentDomain[1][0] = x1;
-      if (x.invert) x0 = x(x0), x1 = x(x1);
-      if (x1 < x0) t = x0, x0 = x1, x1 = t;
-      extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
-    }
-    if (y) {
-      y0 = z[0], y1 = z[1];
-      if (x) y0 = y0[1], y1 = y1[1];
-      extentDomain[0][1] = y0, extentDomain[1][1] = y1;
-      if (y.invert) y0 = y(y0), y1 = y(y1);
-      if (y1 < y0) t = y0, y0 = y1, y1 = t;
-      extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
-    }
-
-    return brush;
-  };
-
-  brush.clear = function() {
-    extentDomain = null;
-    extent[0][0] =
-    extent[0][1] =
-    extent[1][0] =
-    extent[1][1] = 0;
-    return brush;
-  };
-
-  brush.empty = function() {
-    return (x && extent[0][0] === extent[1][0])
-        || (y && extent[0][1] === extent[1][1]);
-  };
-
-  return d3.rebind(brush, event, "on");
-};
-
-var d3_svg_brushCursor = {
-  n: "ns-resize",
-  e: "ew-resize",
-  s: "ns-resize",
-  w: "ew-resize",
-  nw: "nwse-resize",
-  ne: "nesw-resize",
-  se: "nwse-resize",
-  sw: "nesw-resize"
-};
-
-var d3_svg_brushResizes = [
-  ["n", "e", "s", "w", "nw", "ne", "se", "sw"],
-  ["e", "w"],
-  ["n", "s"],
-  []
-];
-d3.behavior = {};
-// TODO Track touch points by identifier.
-
-d3.behavior.drag = function() {
-  var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"),
-      origin = null;
-
-  function drag() {
-    this.on("mousedown.drag", mousedown)
-        .on("touchstart.drag", mousedown);
-  }
-
-  function mousedown() {
-    var target = this,
-        event_ = event.of(target, arguments),
-        eventTarget = d3.event.target,
-        offset,
-        origin_ = point(),
-        moved = 0;
-
-    var w = d3.select(window)
-        .on("mousemove.drag", dragmove)
-        .on("touchmove.drag", dragmove)
-        .on("mouseup.drag", dragend, true)
-        .on("touchend.drag", dragend, true);
-
-    if (origin) {
-      offset = origin.apply(target, arguments);
-      offset = [offset.x - origin_[0], offset.y - origin_[1]];
-    } else {
-      offset = [0, 0];
-    }
-
-    d3_eventCancel();
-    event_({type: "dragstart"});
-
-    function point() {
-      var p = target.parentNode,
-          t = d3.event.changedTouches;
-      return t ? d3.touches(p, t)[0] : d3.mouse(p);
-    }
-
-    function dragmove() {
-      if (!target.parentNode) return dragend(); // target removed from DOM
-
-      var p = point(),
-          dx = p[0] - origin_[0],
-          dy = p[1] - origin_[1];
-
-      moved |= dx | dy;
-      origin_ = p;
-      d3_eventCancel();
-
-      event_({type: "drag", x: p[0] + offset[0], y: p[1] + offset[1], dx: dx, dy: dy});
-    }
-
-    function dragend() {
-      event_({type: "dragend"});
-
-      // if moved, prevent the mouseup (and possibly click) from propagating
-      if (moved) {
+      function click() {
         d3_eventCancel();
-        if (d3.event.target === eventTarget) w.on("click.drag", click, true);
+        w.on("click.zoom", null);
       }
-
-      w .on("mousemove.drag", null)
-        .on("touchmove.drag", null)
-        .on("mouseup.drag", null)
-        .on("touchend.drag", null);
     }
-
-    // prevent the subsequent click from propagating (e.g., for anchors)
-    function click() {
-      d3_eventCancel();
-      w.on("click.drag", null);
+    function mousewheel() {
+      if (!translate0) translate0 = location(d3.mouse(this));
+      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
+      translateTo(d3.mouse(this), translate0);
+      dispatch(event.of(this, arguments));
     }
-  }
-
-  drag.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = x;
-    return drag;
-  };
-
-  return d3.rebind(drag, event, "on");
-};
-d3.behavior.zoom = function() {
-  var translate = [0, 0],
-      translate0, // translate when we started zooming (to avoid drift)
-      scale = 1,
-      scale0, // scale when we started touching
-      scaleExtent = d3_behavior_zoomInfinity,
-      event = d3_eventDispatch(zoom, "zoom"),
-      x0,
-      x1,
-      y0,
-      y1,
-      touchtime; // time of last touchstart (to detect double-tap)
-
-  function zoom() {
-    this
-        .on("mousedown.zoom", mousedown)
-        .on("mousewheel.zoom", mousewheel)
-        .on("mousemove.zoom", mousemove)
-        .on("DOMMouseScroll.zoom", mousewheel)
-        .on("dblclick.zoom", dblclick)
-        .on("touchstart.zoom", touchstart)
-        .on("touchmove.zoom", touchmove)
-        .on("touchend.zoom", touchstart);
-  }
-
-  zoom.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = x.map(Number);
-    return zoom;
-  };
-
-  zoom.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return zoom;
-  };
-
-  zoom.scaleExtent = function(x) {
-    if (!arguments.length) return scaleExtent;
-    scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
-    return zoom;
-  };
-
-  zoom.x = function(z) {
-    if (!arguments.length) return x1;
-    x1 = z;
-    x0 = z.copy();
-    return zoom;
-  };
-
-  zoom.y = function(z) {
-    if (!arguments.length) return y1;
-    y1 = z;
-    y0 = z.copy();
-    return zoom;
-  };
-
-  function location(p) {
-    return [(p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale];
-  }
-
-  function point(l) {
-    return [l[0] * scale + translate[0], l[1] * scale + translate[1]];
-  }
-
-  function scaleTo(s) {
-    scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
-  }
-
-  function translateTo(p, l) {
-    l = point(l);
-    translate[0] += p[0] - l[0];
-    translate[1] += p[1] - l[1];
-  }
-
-  function dispatch(event) {
-    if (x1) x1.domain(x0.range().map(function(x) { return (x - translate[0]) / scale; }).map(x0.invert));
-    if (y1) y1.domain(y0.range().map(function(y) { return (y - translate[1]) / scale; }).map(y0.invert));
-    d3.event.preventDefault();
-    event({type: "zoom", scale: scale, translate: translate});
-  }
-
-  function mousedown() {
-    var target = this,
-        event_ = event.of(target, arguments),
-        eventTarget = d3.event.target,
-        moved = 0,
-        w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup),
-        l = location(d3.mouse(target));
-
-    window.focus();
-    d3_eventCancel();
-
     function mousemove() {
-      moved = 1;
-      translateTo(d3.mouse(target), l);
-      dispatch(event_);
+      translate0 = null;
     }
-
-    function mouseup() {
-      if (moved) d3_eventCancel();
-      w.on("mousemove.zoom", null).on("mouseup.zoom", null);
-      if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true);
-    }
-
-    function click() {
-      d3_eventCancel();
-      w.on("click.zoom", null);
-    }
-  }
-
-  function mousewheel() {
-    if (!translate0) translate0 = location(d3.mouse(this));
-    scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
-    translateTo(d3.mouse(this), translate0);
-    dispatch(event.of(this, arguments));
-  }
-
-  function mousemove() {
-    translate0 = null;
-  }
-
-  function dblclick() {
-    var p = d3.mouse(this), l = location(p);
-    scaleTo(d3.event.shiftKey ? scale / 2 : scale * 2);
-    translateTo(p, l);
-    dispatch(event.of(this, arguments));
-  }
-
-  function touchstart() {
-    var touches = d3.touches(this),
-        now = Date.now();
-
-    scale0 = scale;
-    translate0 = {};
-    touches.forEach(function(t) { translate0[t.identifier] = location(t); });
-    d3_eventCancel();
-
-    if ((touches.length === 1) && (now - touchtime < 500)) { // dbltap
-      var p = touches[0], l = location(touches[0]);
-      scaleTo(scale * 2);
+    function dblclick() {
+      var p = d3.mouse(this), l = location(p), k = Math.log(scale) / Math.LN2;
+      scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
       translateTo(p, l);
       dispatch(event.of(this, arguments));
     }
-    touchtime = now;
-  }
-
-  function touchmove() {
-    var touches = d3.touches(this),
-        p0 = touches[0],
-        l0 = translate0[p0.identifier];
-    if (p1 = touches[1]) {
-      var p1, l1 = translate0[p1.identifier];
-      p0 = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
-      l0 = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
-      scaleTo(d3.event.scale * scale0);
-    }
-    translateTo(p0, l0);
-    dispatch(event.of(this, arguments));
-  }
-
-  return d3.rebind(zoom, event, "on");
-};
-
-var d3_behavior_zoomDiv, // for interpreting mousewheel events
-    d3_behavior_zoomInfinity = [0, Infinity]; // default scale extent
-
-function d3_behavior_zoomDelta() {
-
-  // mousewheel events are totally broken!
-  // https://bugs.webkit.org/show_bug.cgi?id=40441
-  // not only that, but Chrome and Safari differ in re. to acceleration!
-  if (!d3_behavior_zoomDiv) {
-    d3_behavior_zoomDiv = d3.select("body").append("div")
-        .style("visibility", "hidden")
-        .style("top", 0)
-        .style("height", 0)
-        .style("width", 0)
-        .style("overflow-y", "scroll")
-      .append("div")
-        .style("height", "2000px")
-      .node().parentNode;
-  }
-
-  var e = d3.event, delta;
-  try {
-    d3_behavior_zoomDiv.scrollTop = 1000;
-    d3_behavior_zoomDiv.dispatchEvent(e);
-    delta = 1000 - d3_behavior_zoomDiv.scrollTop;
-  } catch (error) {
-    delta = e.wheelDelta || (-e.detail * 5);
-  }
-
-  return delta;
-}
-d3.layout = {};
-// Implements hierarchical edge bundling using Holten's algorithm. For each
-// input link, a path is computed that travels through the tree, up the parent
-// hierarchy to the least common ancestor, and then back down to the destination
-// node. Each path is simply an array of nodes.
-d3.layout.bundle = function() {
-  return function(links) {
-    var paths = [],
-        i = -1,
-        n = links.length;
-    while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
-    return paths;
-  };
-};
-
-function d3_layout_bundlePath(link) {
-  var start = link.source,
-      end = link.target,
-      lca = d3_layout_bundleLeastCommonAncestor(start, end),
-      points = [start];
-  while (start !== lca) {
-    start = start.parent;
-    points.push(start);
-  }
-  var k = points.length;
-  while (end !== lca) {
-    points.splice(k, 0, end);
-    end = end.parent;
-  }
-  return points;
-}
-
-function d3_layout_bundleAncestors(node) {
-  var ancestors = [],
-      parent = node.parent;
-  while (parent != null) {
-    ancestors.push(node);
-    node = parent;
-    parent = parent.parent;
-  }
-  ancestors.push(node);
-  return ancestors;
-}
-
-function d3_layout_bundleLeastCommonAncestor(a, b) {
-  if (a === b) return a;
-  var aNodes = d3_layout_bundleAncestors(a),
-      bNodes = d3_layout_bundleAncestors(b),
-      aNode = aNodes.pop(),
-      bNode = bNodes.pop(),
-      sharedNode = null;
-  while (aNode === bNode) {
-    sharedNode = aNode;
-    aNode = aNodes.pop();
-    bNode = bNodes.pop();
-  }
-  return sharedNode;
-}
-d3.layout.chord = function() {
-  var chord = {},
-      chords,
-      groups,
-      matrix,
-      n,
-      padding = 0,
-      sortGroups,
-      sortSubgroups,
-      sortChords;
-
-  function relayout() {
-    var subgroups = {},
-        groupSums = [],
-        groupIndex = d3.range(n),
-        subgroupIndex = [],
-        k,
-        x,
-        x0,
-        i,
-        j;
-
-    chords = [];
-    groups = [];
-
-    // Compute the sum.
-    k = 0, i = -1; while (++i < n) {
-      x = 0, j = -1; while (++j < n) {
-        x += matrix[i][j];
-      }
-      groupSums.push(x);
-      subgroupIndex.push(d3.range(n));
-      k += x;
-    }
-
-    // Sort groups…
-    if (sortGroups) {
-      groupIndex.sort(function(a, b) {
-        return sortGroups(groupSums[a], groupSums[b]);
+    function touchstart() {
+      var touches = d3.touches(this), now = Date.now();
+      scale0 = scale;
+      translate0 = {};
+      touches.forEach(function(t) {
+        translate0[t.identifier] = location(t);
       });
-    }
-
-    // Sort subgroups…
-    if (sortSubgroups) {
-      subgroupIndex.forEach(function(d, i) {
-        d.sort(function(a, b) {
-          return sortSubgroups(matrix[i][a], matrix[i][b]);
-        });
-      });
-    }
-
-    // Convert the sum to scaling factor for [0, 2pi].
-    // TODO Allow start and end angle to be specified.
-    // TODO Allow padding to be specified as percentage?
-    k = (2 * Math.PI - padding * n) / k;
-
-    // Compute the start and end angle for each group and subgroup.
-    // Note: Opera has a bug reordering object literal properties!
-    x = 0, i = -1; while (++i < n) {
-      x0 = x, j = -1; while (++j < n) {
-        var di = groupIndex[i],
-            dj = subgroupIndex[di][j],
-            v = matrix[di][dj],
-            a0 = x,
-            a1 = x += v * k;
-        subgroups[di + "-" + dj] = {
-          index: di,
-          subindex: dj,
-          startAngle: a0,
-          endAngle: a1,
-          value: v
-        };
-      }
-      groups[di] = {
-        index: di,
-        startAngle: x0,
-        endAngle: x,
-        value: (x - x0) / k
-      };
-      x += padding;
-    }
-
-    // Generate chords for each (non-empty) subgroup-subgroup link.
-    i = -1; while (++i < n) {
-      j = i - 1; while (++j < n) {
-        var source = subgroups[i + "-" + j],
-            target = subgroups[j + "-" + i];
-        if (source.value || target.value) {
-          chords.push(source.value < target.value
-              ? {source: target, target: source}
-              : {source: source, target: target});
+      d3_eventCancel();
+      if (touches.length === 1) {
+        if (now - touchtime < 500) {
+          var p = touches[0], l = location(touches[0]);
+          scaleTo(scale * 2);
+          translateTo(p, l);
+          dispatch(event.of(this, arguments));
         }
+        touchtime = now;
       }
     }
-
-    if (sortChords) resort();
+    function touchmove() {
+      var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier];
+      if (p1 = touches[1]) {
+        var p1, l1 = translate0[p1.identifier];
+        p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+        l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+        scaleTo(d3.event.scale * scale0);
+      }
+      translateTo(p0, l0);
+      touchtime = null;
+      dispatch(event.of(this, arguments));
+    }
+    return d3.rebind(zoom, event, "on");
+  };
+  var d3_behavior_zoomInfinity = [ 0, Infinity ];
+  var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+    return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
+  }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+    return d3.event.wheelDelta;
+  }, "mousewheel") : (d3_behavior_zoomDelta = function() {
+    return -d3.event.detail;
+  }, "MozMousePixelScroll");
+  function d3_Color() {}
+  d3_Color.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+  d3.hsl = function(h, s, l) {
+    return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l);
+  };
+  function d3_hsl(h, s, l) {
+    return new d3_Hsl(h, s, l);
   }
-
-  function resort() {
-    chords.sort(function(a, b) {
-      return sortChords(
-          (a.source.value + a.target.value) / 2,
-          (b.source.value + b.target.value) / 2);
-    });
+  function d3_Hsl(h, s, l) {
+    this.h = h;
+    this.s = s;
+    this.l = l;
   }
-
-  chord.matrix = function(x) {
-    if (!arguments.length) return matrix;
-    n = (matrix = x) && matrix.length;
-    chords = groups = null;
-    return chord;
+  var d3_hslPrototype = d3_Hsl.prototype = new d3_Color();
+  d3_hslPrototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, this.l / k);
   };
-
-  chord.padding = function(x) {
-    if (!arguments.length) return padding;
-    padding = x;
-    chords = groups = null;
-    return chord;
+  d3_hslPrototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, k * this.l);
   };
-
-  chord.sortGroups = function(x) {
-    if (!arguments.length) return sortGroups;
-    sortGroups = x;
-    chords = groups = null;
-    return chord;
+  d3_hslPrototype.rgb = function() {
+    return d3_hsl_rgb(this.h, this.s, this.l);
   };
-
-  chord.sortSubgroups = function(x) {
-    if (!arguments.length) return sortSubgroups;
-    sortSubgroups = x;
-    chords = null;
-    return chord;
+  function d3_hsl_rgb(h, s, l) {
+    var m1, m2;
+    h = h % 360;
+    if (h < 0) h += 360;
+    s = s < 0 ? 0 : s > 1 ? 1 : s;
+    l = l < 0 ? 0 : l > 1 ? 1 : l;
+    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+    m1 = 2 * l - m2;
+    function v(h) {
+      if (h > 360) h -= 360; else if (h < 0) h += 360;
+      if (h < 60) return m1 + (m2 - m1) * h / 60;
+      if (h < 180) return m2;
+      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+      return m1;
+    }
+    function vv(h) {
+      return Math.round(v(h) * 255);
+    }
+    return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+  }
+  var π = Math.PI, ε = 1e-6, d3_radians = π / 180, d3_degrees = 180 / π;
+  function d3_sgn(x) {
+    return x > 0 ? 1 : x < 0 ? -1 : 0;
+  }
+  function d3_acos(x) {
+    return Math.acos(Math.max(-1, Math.min(1, x)));
+  }
+  function d3_asin(x) {
+    return x > 1 ? π / 2 : x < -1 ? -π / 2 : Math.asin(x);
+  }
+  function d3_sinh(x) {
+    return (Math.exp(x) - Math.exp(-x)) / 2;
+  }
+  function d3_cosh(x) {
+    return (Math.exp(x) + Math.exp(-x)) / 2;
+  }
+  function d3_haversin(x) {
+    return (x = Math.sin(x / 2)) * x;
+  }
+  d3.hcl = function(h, c, l) {
+    return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l);
   };
-
-  chord.sortChords = function(x) {
-    if (!arguments.length) return sortChords;
-    sortChords = x;
-    if (chords) resort();
-    return chord;
+  function d3_hcl(h, c, l) {
+    return new d3_Hcl(h, c, l);
+  }
+  function d3_Hcl(h, c, l) {
+    this.h = h;
+    this.c = c;
+    this.l = l;
+  }
+  var d3_hclPrototype = d3_Hcl.prototype = new d3_Color();
+  d3_hclPrototype.brighter = function(k) {
+    return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
   };
-
-  chord.chords = function() {
-    if (!chords) relayout();
-    return chords;
+  d3_hclPrototype.darker = function(k) {
+    return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
   };
-
-  chord.groups = function() {
-    if (!groups) relayout();
-    return groups;
+  d3_hclPrototype.rgb = function() {
+    return d3_hcl_lab(this.h, this.c, this.l).rgb();
   };
-
-  return chord;
-};
-// A rudimentary force layout using Gauss-Seidel.
-d3.layout.force = function() {
-  var force = {},
-      event = d3.dispatch("start", "tick", "end"),
-      size = [1, 1],
-      drag,
-      alpha,
-      friction = .9,
-      linkDistance = d3_layout_forceLinkDistance,
-      linkStrength = d3_layout_forceLinkStrength,
-      charge = -30,
-      gravity = .1,
-      theta = .8,
-      interval,
-      nodes = [],
-      links = [],
-      distances,
-      strengths,
-      charges;
-
-  function repulse(node) {
-    return function(quad, x1, y1, x2, y2) {
-      if (quad.point !== node) {
-        var dx = quad.cx - node.x,
-            dy = quad.cy - node.y,
-            dn = 1 / Math.sqrt(dx * dx + dy * dy);
-
-        /* Barnes-Hut criterion. */
-        if ((x2 - x1) * dn < theta) {
-          var k = quad.charge * dn * dn;
-          node.px -= dx * k;
-          node.py -= dy * k;
-          return true;
+  function d3_hcl_lab(h, c, l) {
+    return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
+  }
+  d3.lab = function(l, a, b) {
+    return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b);
+  };
+  function d3_lab(l, a, b) {
+    return new d3_Lab(l, a, b);
+  }
+  function d3_Lab(l, a, b) {
+    this.l = l;
+    this.a = a;
+    this.b = b;
+  }
+  var d3_lab_K = 18;
+  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+  var d3_labPrototype = d3_Lab.prototype = new d3_Color();
+  d3_labPrototype.brighter = function(k) {
+    return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_labPrototype.darker = function(k) {
+    return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_labPrototype.rgb = function() {
+    return d3_lab_rgb(this.l, this.a, this.b);
+  };
+  function d3_lab_rgb(l, a, b) {
+    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+    x = d3_lab_xyz(x) * d3_lab_X;
+    y = d3_lab_xyz(y) * d3_lab_Y;
+    z = d3_lab_xyz(z) * d3_lab_Z;
+    return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+  }
+  function d3_lab_hcl(l, a, b) {
+    return d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l);
+  }
+  function d3_lab_xyz(x) {
+    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+  }
+  function d3_xyz_lab(x) {
+    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+  }
+  function d3_xyz_rgb(r) {
+    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+  }
+  d3.rgb = function(r, g, b) {
+    return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b);
+  };
+  function d3_rgb(r, g, b) {
+    return new d3_Rgb(r, g, b);
+  }
+  function d3_Rgb(r, g, b) {
+    this.r = r;
+    this.g = g;
+    this.b = b;
+  }
+  var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color();
+  d3_rgbPrototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    var r = this.r, g = this.g, b = this.b, i = 30;
+    if (!r && !g && !b) return d3_rgb(i, i, i);
+    if (r && r < i) r = i;
+    if (g && g < i) g = i;
+    if (b && b < i) b = i;
+    return d3_rgb(Math.min(255, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
+  };
+  d3_rgbPrototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(k * this.b));
+  };
+  d3_rgbPrototype.hsl = function() {
+    return d3_rgb_hsl(this.r, this.g, this.b);
+  };
+  d3_rgbPrototype.toString = function() {
+    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+  };
+  function d3_rgb_hex(v) {
+    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+  }
+  function d3_rgb_parse(format, rgb, hsl) {
+    var r = 0, g = 0, b = 0, m1, m2, name;
+    m1 = /([a-z]+)\((.*)\)/i.exec(format);
+    if (m1) {
+      m2 = m1[2].split(",");
+      switch (m1[1]) {
+       case "hsl":
+        {
+          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
         }
 
-        if (quad.point && isFinite(dn)) {
-          var k = quad.pointCharge * dn * dn;
-          node.px -= dx * k;
-          node.py -= dy * k;
+       case "rgb":
+        {
+          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
         }
       }
-      return !quad.charge;
+    }
+    if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
+    if (format != null && format.charAt(0) === "#") {
+      if (format.length === 4) {
+        r = format.charAt(1);
+        r += r;
+        g = format.charAt(2);
+        g += g;
+        b = format.charAt(3);
+        b += b;
+      } else if (format.length === 7) {
+        r = format.substring(1, 3);
+        g = format.substring(3, 5);
+        b = format.substring(5, 7);
+      }
+      r = parseInt(r, 16);
+      g = parseInt(g, 16);
+      b = parseInt(b, 16);
+    }
+    return rgb(r, g, b);
+  }
+  function d3_rgb_hsl(r, g, b) {
+    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
+    if (d) {
+      s = l < .5 ? d / (max + min) : d / (2 - max - min);
+      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
+      h *= 60;
+    } else {
+      s = h = 0;
+    }
+    return d3_hsl(h, s, l);
+  }
+  function d3_rgb_lab(r, g, b) {
+    r = d3_rgb_xyz(r);
+    g = d3_rgb_xyz(g);
+    b = d3_rgb_xyz(b);
+    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+  }
+  function d3_rgb_xyz(r) {
+    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+  }
+  function d3_rgb_parseNumber(c) {
+    var f = parseFloat(c);
+    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+  }
+  var d3_rgb_names = d3.map({
+    aliceblue: "#f0f8ff",
+    antiquewhite: "#faebd7",
+    aqua: "#00ffff",
+    aquamarine: "#7fffd4",
+    azure: "#f0ffff",
+    beige: "#f5f5dc",
+    bisque: "#ffe4c4",
+    black: "#000000",
+    blanchedalmond: "#ffebcd",
+    blue: "#0000ff",
+    blueviolet: "#8a2be2",
+    brown: "#a52a2a",
+    burlywood: "#deb887",
+    cadetblue: "#5f9ea0",
+    chartreuse: "#7fff00",
+    chocolate: "#d2691e",
+    coral: "#ff7f50",
+    cornflowerblue: "#6495ed",
+    cornsilk: "#fff8dc",
+    crimson: "#dc143c",
+    cyan: "#00ffff",
+    darkblue: "#00008b",
+    darkcyan: "#008b8b",
+    darkgoldenrod: "#b8860b",
+    darkgray: "#a9a9a9",
+    darkgreen: "#006400",
+    darkgrey: "#a9a9a9",
+    darkkhaki: "#bdb76b",
+    darkmagenta: "#8b008b",
+    darkolivegreen: "#556b2f",
+    darkorange: "#ff8c00",
+    darkorchid: "#9932cc",
+    darkred: "#8b0000",
+    darksalmon: "#e9967a",
+    darkseagreen: "#8fbc8f",
+    darkslateblue: "#483d8b",
+    darkslategray: "#2f4f4f",
+    darkslategrey: "#2f4f4f",
+    darkturquoise: "#00ced1",
+    darkviolet: "#9400d3",
+    deeppink: "#ff1493",
+    deepskyblue: "#00bfff",
+    dimgray: "#696969",
+    dimgrey: "#696969",
+    dodgerblue: "#1e90ff",
+    firebrick: "#b22222",
+    floralwhite: "#fffaf0",
+    forestgreen: "#228b22",
+    fuchsia: "#ff00ff",
+    gainsboro: "#dcdcdc",
+    ghostwhite: "#f8f8ff",
+    gold: "#ffd700",
+    goldenrod: "#daa520",
+    gray: "#808080",
+    green: "#008000",
+    greenyellow: "#adff2f",
+    grey: "#808080",
+    honeydew: "#f0fff0",
+    hotpink: "#ff69b4",
+    indianred: "#cd5c5c",
+    indigo: "#4b0082",
+    ivory: "#fffff0",
+    khaki: "#f0e68c",
+    lavender: "#e6e6fa",
+    lavenderblush: "#fff0f5",
+    lawngreen: "#7cfc00",
+    lemonchiffon: "#fffacd",
+    lightblue: "#add8e6",
+    lightcoral: "#f08080",
+    lightcyan: "#e0ffff",
+    lightgoldenrodyellow: "#fafad2",
+    lightgray: "#d3d3d3",
+    lightgreen: "#90ee90",
+    lightgrey: "#d3d3d3",
+    lightpink: "#ffb6c1",
+    lightsalmon: "#ffa07a",
+    lightseagreen: "#20b2aa",
+    lightskyblue: "#87cefa",
+    lightslategray: "#778899",
+    lightslategrey: "#778899",
+    lightsteelblue: "#b0c4de",
+    lightyellow: "#ffffe0",
+    lime: "#00ff00",
+    limegreen: "#32cd32",
+    linen: "#faf0e6",
+    magenta: "#ff00ff",
+    maroon: "#800000",
+    mediumaquamarine: "#66cdaa",
+    mediumblue: "#0000cd",
+    mediumorchid: "#ba55d3",
+    mediumpurple: "#9370db",
+    mediumseagreen: "#3cb371",
+    mediumslateblue: "#7b68ee",
+    mediumspringgreen: "#00fa9a",
+    mediumturquoise: "#48d1cc",
+    mediumvioletred: "#c71585",
+    midnightblue: "#191970",
+    mintcream: "#f5fffa",
+    mistyrose: "#ffe4e1",
+    moccasin: "#ffe4b5",
+    navajowhite: "#ffdead",
+    navy: "#000080",
+    oldlace: "#fdf5e6",
+    olive: "#808000",
+    olivedrab: "#6b8e23",
+    orange: "#ffa500",
+    orangered: "#ff4500",
+    orchid: "#da70d6",
+    palegoldenrod: "#eee8aa",
+    palegreen: "#98fb98",
+    paleturquoise: "#afeeee",
+    palevioletred: "#db7093",
+    papayawhip: "#ffefd5",
+    peachpuff: "#ffdab9",
+    peru: "#cd853f",
+    pink: "#ffc0cb",
+    plum: "#dda0dd",
+    powderblue: "#b0e0e6",
+    purple: "#800080",
+    red: "#ff0000",
+    rosybrown: "#bc8f8f",
+    royalblue: "#4169e1",
+    saddlebrown: "#8b4513",
+    salmon: "#fa8072",
+    sandybrown: "#f4a460",
+    seagreen: "#2e8b57",
+    seashell: "#fff5ee",
+    sienna: "#a0522d",
+    silver: "#c0c0c0",
+    skyblue: "#87ceeb",
+    slateblue: "#6a5acd",
+    slategray: "#708090",
+    slategrey: "#708090",
+    snow: "#fffafa",
+    springgreen: "#00ff7f",
+    steelblue: "#4682b4",
+    tan: "#d2b48c",
+    teal: "#008080",
+    thistle: "#d8bfd8",
+    tomato: "#ff6347",
+    turquoise: "#40e0d0",
+    violet: "#ee82ee",
+    wheat: "#f5deb3",
+    white: "#ffffff",
+    whitesmoke: "#f5f5f5",
+    yellow: "#ffff00",
+    yellowgreen: "#9acd32"
+  });
+  d3_rgb_names.forEach(function(key, value) {
+    d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
+  });
+  function d3_functor(v) {
+    return typeof v === "function" ? v : function() {
+      return v;
     };
   }
-
-  force.tick = function() {
-    // simulated annealing, basically
-    if ((alpha *= .99) < .005) {
-      event.end({type: "end", alpha: alpha = 0});
-      return true;
-    }
-
-    var n = nodes.length,
-        m = links.length,
-        q,
-        i, // current index
-        o, // current object
-        s, // current source
-        t, // current target
-        l, // current distance
-        k, // current force
-        x, // x-distance
-        y; // y-distance
-
-    // gauss-seidel relaxation for links
-    for (i = 0; i < m; ++i) {
-      o = links[i];
-      s = o.source;
-      t = o.target;
-      x = t.x - s.x;
-      y = t.y - s.y;
-      if (l = (x * x + y * y)) {
-        l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
-        x *= l;
-        y *= l;
-        t.x -= x * (k = s.weight / (t.weight + s.weight));
-        t.y -= y * k;
-        s.x += x * (k = 1 - k);
-        s.y += y * k;
-      }
-    }
-
-    // apply gravity forces
-    if (k = alpha * gravity) {
-      x = size[0] / 2;
-      y = size[1] / 2;
-      i = -1; if (k) while (++i < n) {
-        o = nodes[i];
-        o.x += (x - o.x) * k;
-        o.y += (y - o.y) * k;
-      }
-    }
-
-    // compute quadtree center of mass and apply charge forces
-    if (charge) {
-      d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
-      i = -1; while (++i < n) {
-        if (!(o = nodes[i]).fixed) {
-          q.visit(repulse(o));
-        }
-      }
-    }
-
-    // position verlet integration
-    i = -1; while (++i < n) {
-      o = nodes[i];
-      if (o.fixed) {
-        o.x = o.px;
-        o.y = o.py;
-      } else {
-        o.x -= (o.px - (o.px = o.x)) * friction;
-        o.y -= (o.py - (o.py = o.y)) * friction;
-      }
-    }
-
-    event.tick({type: "tick", alpha: alpha});
-  };
-
-  force.nodes = function(x) {
-    if (!arguments.length) return nodes;
-    nodes = x;
-    return force;
-  };
-
-  force.links = function(x) {
-    if (!arguments.length) return links;
-    links = x;
-    return force;
-  };
-
-  force.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return force;
-  };
-
-  force.linkDistance = function(x) {
-    if (!arguments.length) return linkDistance;
-    linkDistance = d3_functor(x);
-    return force;
-  };
-
-  // For backwards-compatibility.
-  force.distance = force.linkDistance;
-
-  force.linkStrength = function(x) {
-    if (!arguments.length) return linkStrength;
-    linkStrength = d3_functor(x);
-    return force;
-  };
-
-  force.friction = function(x) {
-    if (!arguments.length) return friction;
-    friction = x;
-    return force;
-  };
-
-  force.charge = function(x) {
-    if (!arguments.length) return charge;
-    charge = typeof x === "function" ? x : +x;
-    return force;
-  };
-
-  force.gravity = function(x) {
-    if (!arguments.length) return gravity;
-    gravity = x;
-    return force;
-  };
-
-  force.theta = function(x) {
-    if (!arguments.length) return theta;
-    theta = x;
-    return force;
-  };
-
-  force.alpha = function(x) {
-    if (!arguments.length) return alpha;
-
-    if (alpha) { // if we're already running
-      if (x > 0) alpha = x; // we might keep it hot
-      else alpha = 0; // or, next tick will dispatch "end"
-    } else if (x > 0) { // otherwise, fire it up!
-      event.start({type: "start", alpha: alpha = x});
-      d3.timer(force.tick);
-    }
-
-    return force;
-  };
-
-  force.start = function() {
-    var i,
-        j,
-        n = nodes.length,
-        m = links.length,
-        w = size[0],
-        h = size[1],
-        neighbors,
-        o;
-
-    for (i = 0; i < n; ++i) {
-      (o = nodes[i]).index = i;
-      o.weight = 0;
-    }
-
-    distances = [];
-    strengths = [];
-    for (i = 0; i < m; ++i) {
-      o = links[i];
-      if (typeof o.source == "number") o.source = nodes[o.source];
-      if (typeof o.target == "number") o.target = nodes[o.target];
-      distances[i] = linkDistance.call(this, o, i);
-      strengths[i] = linkStrength.call(this, o, i);
-      ++o.source.weight;
-      ++o.target.weight;
-    }
-
-    for (i = 0; i < n; ++i) {
-      o = nodes[i];
-      if (isNaN(o.x)) o.x = position("x", w);
-      if (isNaN(o.y)) o.y = position("y", h);
-      if (isNaN(o.px)) o.px = o.x;
-      if (isNaN(o.py)) o.py = o.y;
-    }
-
-    charges = [];
-    if (typeof charge === "function") {
-      for (i = 0; i < n; ++i) {
-        charges[i] = +charge.call(this, nodes[i], i);
-      }
-    } else {
-      for (i = 0; i < n; ++i) {
-        charges[i] = charge;
-      }
-    }
-
-    // initialize node position based on first neighbor
-    function position(dimension, size) {
-      var neighbors = neighbor(i),
-          j = -1,
-          m = neighbors.length,
-          x;
-      while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
-      return Math.random() * size;
-    }
-
-    // initialize neighbors lazily
-    function neighbor() {
-      if (!neighbors) {
-        neighbors = [];
-        for (j = 0; j < n; ++j) {
-          neighbors[j] = [];
-        }
-        for (j = 0; j < m; ++j) {
-          var o = links[j];
-          neighbors[o.source.index].push(o.target);
-          neighbors[o.target.index].push(o.source);
-        }
-      }
-      return neighbors[i];
-    }
-
-    return force.resume();
-  };
-
-  force.resume = function() {
-    return force.alpha(.1);
-  };
-
-  force.stop = function() {
-    return force.alpha(0);
-  };
-
-  // use `node.call(force.drag)` to make nodes draggable
-  force.drag = function() {
-    if (!drag) drag = d3.behavior.drag()
-        .origin(d3_identity)
-        .on("dragstart", dragstart)
-        .on("drag", d3_layout_forceDrag)
-        .on("dragend", d3_layout_forceDragEnd);
-
-    this.on("mouseover.force", d3_layout_forceDragOver)
-        .on("mouseout.force", d3_layout_forceDragOut)
-        .call(drag);
-  };
-
-  function dragstart(d) {
-    d3_layout_forceDragOver(d3_layout_forceDragNode = d);
-    d3_layout_forceDragForce = force;
+  d3.functor = d3_functor;
+  function d3_identity(d) {
+    return d;
   }
-
-  return d3.rebind(force, event, "on");
-};
-
-var d3_layout_forceDragForce,
-    d3_layout_forceDragNode;
-
-function d3_layout_forceDragOver(d) {
-  d.fixed |= 2;
-}
-
-function d3_layout_forceDragOut(d) {
-  if (d !== d3_layout_forceDragNode) d.fixed &= 1;
-}
-
-function d3_layout_forceDragEnd() {
-  d3_layout_forceDragNode.fixed &= 1;
-  d3_layout_forceDragForce = d3_layout_forceDragNode = null;
-}
-
-function d3_layout_forceDrag() {
-  d3_layout_forceDragNode.px = d3.event.x;
-  d3_layout_forceDragNode.py = d3.event.y;
-  d3_layout_forceDragForce.resume(); // restart annealing
-}
-
-function d3_layout_forceAccumulate(quad, alpha, charges) {
-  var cx = 0,
-      cy = 0;
-  quad.charge = 0;
-  if (!quad.leaf) {
-    var nodes = quad.nodes,
-        n = nodes.length,
-        i = -1,
-        c;
-    while (++i < n) {
-      c = nodes[i];
-      if (c == null) continue;
-      d3_layout_forceAccumulate(c, alpha, charges);
-      quad.charge += c.charge;
-      cx += c.charge * c.cx;
-      cy += c.charge * c.cy;
+  d3.xhr = function(url, mimeType, callback) {
+    var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, response = d3_identity, request = new (d3_window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)();
+    "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
+      request.readyState > 3 && respond();
+    };
+    function respond() {
+      var s = request.status;
+      !s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : dispatch.error.call(xhr, request);
     }
-  }
-  if (quad.point) {
-    // jitter internal nodes that are coincident
-    if (!quad.leaf) {
-      quad.point.x += Math.random() - .5;
-      quad.point.y += Math.random() - .5;
-    }
-    var k = alpha * charges[quad.point.index];
-    quad.charge += quad.pointCharge = k;
-    cx += k * quad.point.x;
-    cy += k * quad.point.y;
-  }
-  quad.cx = cx / quad.charge;
-  quad.cy = cy / quad.charge;
-}
-
-function d3_layout_forceLinkDistance(link) {
-  return 20;
-}
-
-function d3_layout_forceLinkStrength(link) {
-  return 1;
-}
-d3.layout.partition = function() {
-  var hierarchy = d3.layout.hierarchy(),
-      size = [1, 1]; // width, height
-
-  function position(node, x, dx, dy) {
-    var children = node.children;
-    node.x = x;
-    node.y = node.depth * dy;
-    node.dx = dx;
-    node.dy = dy;
-    if (children && (n = children.length)) {
-      var i = -1,
-          n,
-          c,
-          d;
-      dx = node.value ? dx / node.value : 0;
-      while (++i < n) {
-        position(c = children[i], x, d = c.value * dx, dy);
-        x += d;
+    request.onprogress = function(event) {
+      var o = d3.event;
+      d3.event = event;
+      try {
+        dispatch.progress.call(xhr, request);
+      } finally {
+        d3.event = o;
       }
-    }
-  }
-
-  function depth(node) {
-    var children = node.children,
-        d = 0;
-    if (children && (n = children.length)) {
-      var i = -1,
-          n;
-      while (++i < n) d = Math.max(d, depth(children[i]));
-    }
-    return 1 + d;
-  }
-
-  function partition(d, i) {
-    var nodes = hierarchy.call(this, d, i);
-    position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
-    return nodes;
-  }
-
-  partition.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return partition;
-  };
-
-  return d3_layout_hierarchyRebind(partition, hierarchy);
-};
-d3.layout.pie = function() {
-  var value = Number,
-      sort = d3_layout_pieSortByValue,
-      startAngle = 0,
-      endAngle = 2 * Math.PI;
-
-  function pie(data, i) {
-
-    // Compute the numeric values for each data element.
-    var values = data.map(function(d, i) { return +value.call(pie, d, i); });
-
-    // Compute the start angle.
-    var a = +(typeof startAngle === "function"
-        ? startAngle.apply(this, arguments)
-        : startAngle);
-
-    // Compute the angular scale factor: from value to radians.
-    var k = ((typeof endAngle === "function"
-        ? endAngle.apply(this, arguments)
-        : endAngle) - startAngle)
-        / d3.sum(values);
-
-    // Optionally sort the data.
-    var index = d3.range(data.length);
-    if (sort != null) index.sort(sort === d3_layout_pieSortByValue
-        ? function(i, j) { return values[j] - values[i]; }
-        : function(i, j) { return sort(data[i], data[j]); });
-
-    // Compute the arcs!
-    // They are stored in the original data's order.
-    var arcs = [];
-    index.forEach(function(i) {
-      var d;
-      arcs[i] = {
-        data: data[i],
-        value: d = values[i],
-        startAngle: a,
-        endAngle: a += d * k
+    };
+    xhr.header = function(name, value) {
+      name = (name + "").toLowerCase();
+      if (arguments.length < 2) return headers[name];
+      if (value == null) delete headers[name]; else headers[name] = value + "";
+      return xhr;
+    };
+    xhr.mimeType = function(value) {
+      if (!arguments.length) return mimeType;
+      mimeType = value == null ? null : value + "";
+      return xhr;
+    };
+    xhr.response = function(value) {
+      response = value;
+      return xhr;
+    };
+    [ "get", "post" ].forEach(function(method) {
+      xhr[method] = function() {
+        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
       };
     });
-    return arcs;
-  }
-
-  /**
-   * Specifies the value function *x*, which returns a nonnegative numeric value
-   * for each datum. The default value function is `Number`. The value function
-   * is passed two arguments: the current datum and the current index.
-   */
-  pie.value = function(x) {
-    if (!arguments.length) return value;
-    value = x;
-    return pie;
-  };
-
-  /**
-   * Specifies a sort comparison operator *x*. The comparator is passed two data
-   * elements from the data array, a and b; it returns a negative value if a is
-   * less than b, a positive value if a is greater than b, and zero if a equals
-   * b.
-   */
-  pie.sort = function(x) {
-    if (!arguments.length) return sort;
-    sort = x;
-    return pie;
-  };
-
-  /**
-   * Specifies the overall start angle of the pie chart. Defaults to 0. The
-   * start angle can be specified either as a constant or as a function; in the
-   * case of a function, it is evaluated once per array (as opposed to per
-   * element).
-   */
-  pie.startAngle = function(x) {
-    if (!arguments.length) return startAngle;
-    startAngle = x;
-    return pie;
-  };
-
-  /**
-   * Specifies the overall end angle of the pie chart. Defaults to 2π. The
-   * end angle can be specified either as a constant or as a function; in the
-   * case of a function, it is evaluated once per array (as opposed to per
-   * element).
-   */
-  pie.endAngle = function(x) {
-    if (!arguments.length) return endAngle;
-    endAngle = x;
-    return pie;
-  };
-
-  return pie;
-};
-
-var d3_layout_pieSortByValue = {};
-// data is two-dimensional array of x,y; we populate y0
-d3.layout.stack = function() {
-  var values = d3_identity,
-      order = d3_layout_stackOrderDefault,
-      offset = d3_layout_stackOffsetZero,
-      out = d3_layout_stackOut,
-      x = d3_layout_stackX,
-      y = d3_layout_stackY;
-
-  function stack(data, index) {
-
-    // Convert series to canonical two-dimensional representation.
-    var series = data.map(function(d, i) {
-      return values.call(stack, d, i);
-    });
-
-    // Convert each series to canonical [[x,y]] representation.
-    var points = series.map(function(d, i) {
-      return d.map(function(v, i) {
-        return [x.call(stack, v, i), y.call(stack, v, i)];
+    xhr.send = function(method, data, callback) {
+      if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
+      request.open(method, url, true);
+      if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
+      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
+      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
+      if (callback != null) xhr.on("error", callback).on("load", function(request) {
+        callback(null, request);
       });
-    });
-
-    // Compute the order of series, and permute them.
-    var orders = order.call(stack, points, index);
-    series = d3.permute(series, orders);
-    points = d3.permute(points, orders);
-
-    // Compute the baseline…
-    var offsets = offset.call(stack, points, index);
-
-    // And propagate it to other series.
-    var n = series.length,
-        m = series[0].length,
-        i,
-        j,
-        o;
-    for (j = 0; j < m; ++j) {
-      out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
-      for (i = 1; i < n; ++i) {
-        out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
-      }
-    }
-
-    return data;
+      request.send(data == null ? null : data);
+      return xhr;
+    };
+    xhr.abort = function() {
+      request.abort();
+      return xhr;
+    };
+    d3.rebind(xhr, dispatch, "on");
+    if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
+    mimeType = null;
+    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
+  };
+  function d3_xhr_fixCallback(callback) {
+    return callback.length === 1 ? function(error, request) {
+      callback(error == null ? request : null);
+    } : callback;
   }
-
-  stack.values = function(x) {
-    if (!arguments.length) return values;
-    values = x;
-    return stack;
-  };
-
-  stack.order = function(x) {
-    if (!arguments.length) return order;
-    order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
-    return stack;
-  };
-
-  stack.offset = function(x) {
-    if (!arguments.length) return offset;
-    offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
-    return stack;
-  };
-
-  stack.x = function(z) {
-    if (!arguments.length) return x;
-    x = z;
-    return stack;
-  };
-
-  stack.y = function(z) {
-    if (!arguments.length) return y;
-    y = z;
-    return stack;
-  };
-
-  stack.out = function(z) {
-    if (!arguments.length) return out;
-    out = z;
-    return stack;
-  };
-
-  return stack;
-}
-
-function d3_layout_stackX(d) {
-  return d.x;
-}
-
-function d3_layout_stackY(d) {
-  return d.y;
-}
-
-function d3_layout_stackOut(d, y0, y) {
-  d.y0 = y0;
-  d.y = y;
-}
-
-var d3_layout_stackOrders = d3.map({
-
-  "inside-out": function(data) {
-    var n = data.length,
-        i,
-        j,
-        max = data.map(d3_layout_stackMaxIndex),
-        sums = data.map(d3_layout_stackReduceSum),
-        index = d3.range(n).sort(function(a, b) { return max[a] - max[b]; }),
-        top = 0,
-        bottom = 0,
-        tops = [],
-        bottoms = [];
-    for (i = 0; i < n; ++i) {
-      j = index[i];
-      if (top < bottom) {
-        top += sums[j];
-        tops.push(j);
-      } else {
-        bottom += sums[j];
-        bottoms.push(j);
-      }
+  function d3_dsv(delimiter, mimeType) {
+    var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+    function dsv(url, row, callback) {
+      if (arguments.length < 3) callback = row, row = null;
+      var xhr = d3.xhr(url, mimeType, callback);
+      xhr.row = function(_) {
+        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
+      };
+      return xhr.row(row);
     }
-    return bottoms.reverse().concat(tops);
-  },
-
-  "reverse": function(data) {
-    return d3.range(data.length).reverse();
-  },
-
-  "default": d3_layout_stackOrderDefault
-
-});
-
-var d3_layout_stackOffsets = d3.map({
-
-  "silhouette": function(data) {
-    var n = data.length,
-        m = data[0].length,
-        sums = [],
-        max = 0,
-        i,
-        j,
-        o,
-        y0 = [];
-    for (j = 0; j < m; ++j) {
-      for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
-      if (o > max) max = o;
-      sums.push(o);
+    function response(request) {
+      return dsv.parse(request.responseText);
     }
-    for (j = 0; j < m; ++j) {
-      y0[j] = (max - sums[j]) / 2;
+    function typedResponse(f) {
+      return function(request) {
+        return dsv.parse(request.responseText, f);
+      };
     }
-    return y0;
-  },
-
-  "wiggle": function(data) {
-    var n = data.length,
-        x = data[0],
-        m = x.length,
-        max = 0,
-        i,
-        j,
-        k,
-        s1,
-        s2,
-        s3,
-        dx,
-        o,
-        o0,
-        y0 = [];
-    y0[0] = o = o0 = 0;
-    for (j = 1; j < m; ++j) {
-      for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
-      for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
-        for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
-          s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+    dsv.parse = function(text, f) {
+      var o;
+      return dsv.parseRows(text, function(row, i) {
+        if (o) return o(row, i - 1);
+        var a = new Function("d", "return {" + row.map(function(name, i) {
+          return JSON.stringify(name) + ": d[" + i + "]";
+        }).join(",") + "}");
+        o = f ? function(row, i) {
+          return f(a(row), i);
+        } : a;
+      });
+    };
+    dsv.parseRows = function(text, f) {
+      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
+      function token() {
+        if (I >= N) return EOF;
+        if (eol) return eol = false, EOL;
+        var j = I;
+        if (text.charCodeAt(j) === 34) {
+          var i = j;
+          while (i++ < N) {
+            if (text.charCodeAt(i) === 34) {
+              if (text.charCodeAt(i + 1) !== 34) break;
+              ++i;
+            }
+          }
+          I = i + 2;
+          var c = text.charCodeAt(i + 1);
+          if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(i + 2) === 10) ++I;
+          } else if (c === 10) {
+            eol = true;
+          }
+          return text.substring(j + 1, i).replace(/""/g, '"');
         }
-        s2 += s3 * data[i][j][1];
-      }
-      y0[j] = o -= s1 ? s2 / s1 * dx : 0;
-      if (o < o0) o0 = o;
-    }
-    for (j = 0; j < m; ++j) y0[j] -= o0;
-    return y0;
-  },
-
-  "expand": function(data) {
-    var n = data.length,
-        m = data[0].length,
-        k = 1 / n,
-        i,
-        j,
-        o,
-        y0 = [];
-    for (j = 0; j < m; ++j) {
-      for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
-      if (o) for (i = 0; i < n; i++) data[i][j][1] /= o;
-      else for (i = 0; i < n; i++) data[i][j][1] = k;
-    }
-    for (j = 0; j < m; ++j) y0[j] = 0;
-    return y0;
-  },
-
-  "zero": d3_layout_stackOffsetZero
-
-});
-
-function d3_layout_stackOrderDefault(data) {
-  return d3.range(data.length);
-}
-
-function d3_layout_stackOffsetZero(data) {
-  var j = -1,
-      m = data[0].length,
-      y0 = [];
-  while (++j < m) y0[j] = 0;
-  return y0;
-}
-
-function d3_layout_stackMaxIndex(array) {
-  var i = 1,
-      j = 0,
-      v = array[0][1],
-      k,
-      n = array.length;
-  for (; i < n; ++i) {
-    if ((k = array[i][1]) > v) {
-      j = i;
-      v = k;
-    }
-  }
-  return j;
-}
-
-function d3_layout_stackReduceSum(d) {
-  return d.reduce(d3_layout_stackSum, 0);
-}
-
-function d3_layout_stackSum(p, d) {
-  return p + d[1];
-}
-d3.layout.histogram = function() {
-  var frequency = true,
-      valuer = Number,
-      ranger = d3_layout_histogramRange,
-      binner = d3_layout_histogramBinSturges;
-
-  function histogram(data, i) {
-    var bins = [],
-        values = data.map(valuer, this),
-        range = ranger.call(this, values, i),
-        thresholds = binner.call(this, range, values, i),
-        bin,
-        i = -1,
-        n = values.length,
-        m = thresholds.length - 1,
-        k = frequency ? 1 : 1 / n,
-        x;
-
-    // Initialize the bins.
-    while (++i < m) {
-      bin = bins[i] = [];
-      bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
-      bin.y = 0;
-    }
-
-    // Fill the bins, ignoring values outside the range.
-    if (m > 0) {
-      i = -1; while(++i < n) {
-        x = values[i];
-        if ((x >= range[0]) && (x <= range[1])) {
-          bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
-          bin.y += k;
-          bin.push(data[i]);
+        while (I < N) {
+          var c = text.charCodeAt(I++), k = 1;
+          if (c === 10) eol = true; else if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(I) === 10) ++I, ++k;
+          } else if (c !== delimiterCode) continue;
+          return text.substring(j, I - k);
         }
+        return text.substring(j);
       }
-    }
-
-    return bins;
-  }
-
-  // Specifies how to extract a value from the associated data. The default
-  // value function is `Number`, which is equivalent to the identity function.
-  histogram.value = function(x) {
-    if (!arguments.length) return valuer;
-    valuer = x;
-    return histogram;
-  };
-
-  // Specifies the range of the histogram. Values outside the specified range
-  // will be ignored. The argument `x` may be specified either as a two-element
-  // array representing the minimum and maximum value of the range, or as a
-  // function that returns the range given the array of values and the current
-  // index `i`. The default range is the extent (minimum and maximum) of the
-  // values.
-  histogram.range = function(x) {
-    if (!arguments.length) return ranger;
-    ranger = d3_functor(x);
-    return histogram;
-  };
-
-  // Specifies how to bin values in the histogram. The argument `x` may be
-  // specified as a number, in which case the range of values will be split
-  // uniformly into the given number of bins. Or, `x` may be an array of
-  // threshold values, defining the bins; the specified array must contain the
-  // rightmost (upper) value, thus specifying n + 1 values for n bins. Or, `x`
-  // may be a function which is evaluated, being passed the range, the array of
-  // values, and the current index `i`, returning an array of thresholds. The
-  // default bin function will divide the values into uniform bins using
-  // Sturges' formula.
-  histogram.bins = function(x) {
-    if (!arguments.length) return binner;
-    binner = typeof x === "number"
-        ? function(range) { return d3_layout_histogramBinFixed(range, x); }
-        : d3_functor(x);
-    return histogram;
-  };
-
-  // Specifies whether the histogram's `y` value is a count (frequency) or a
-  // probability (density). The default value is true.
-  histogram.frequency = function(x) {
-    if (!arguments.length) return frequency;
-    frequency = !!x;
-    return histogram;
-  };
-
-  return histogram;
-};
-
-function d3_layout_histogramBinSturges(range, values) {
-  return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
-}
-
-function d3_layout_histogramBinFixed(range, n) {
-  var x = -1,
-      b = +range[0],
-      m = (range[1] - b) / n,
-      f = [];
-  while (++x <= n) f[x] = m * x + b;
-  return f;
-}
-
-function d3_layout_histogramRange(values) {
-  return [d3.min(values), d3.max(values)];
-}
-d3.layout.hierarchy = function() {
-  var sort = d3_layout_hierarchySort,
-      children = d3_layout_hierarchyChildren,
-      value = d3_layout_hierarchyValue;
-
-  // Recursively compute the node depth and value.
-  // Also converts the data representation into a standard hierarchy structure.
-  function recurse(data, depth, nodes) {
-    var childs = children.call(hierarchy, data, depth),
-        node = d3_layout_hierarchyInline ? data : {data: data};
-    node.depth = depth;
-    nodes.push(node);
-    if (childs && (n = childs.length)) {
-      var i = -1,
-          n,
-          c = node.children = [],
-          v = 0,
-          j = depth + 1,
-          d;
-      while (++i < n) {
-        d = recurse(childs[i], j, nodes);
-        d.parent = node;
-        c.push(d);
-        v += d.value;
+      while ((t = token()) !== EOF) {
+        var a = [];
+        while (t !== EOL && t !== EOF) {
+          a.push(t);
+          t = token();
+        }
+        if (f && !(a = f(a, n++))) continue;
+        rows.push(a);
       }
-      if (sort) c.sort(sort);
-      if (value) node.value = v;
-    } else if (value) {
-      node.value = +value.call(hierarchy, data, depth) || 0;
-    }
-    return node;
-  }
-
-  // Recursively re-evaluates the node value.
-  function revalue(node, depth) {
-    var children = node.children,
-        v = 0;
-    if (children && (n = children.length)) {
-      var i = -1,
-          n,
-          j = depth + 1;
-      while (++i < n) v += revalue(children[i], j);
-    } else if (value) {
-      v = +value.call(hierarchy, d3_layout_hierarchyInline ? node : node.data, depth) || 0;
-    }
-    if (value) node.value = v;
-    return v;
-  }
-
-  function hierarchy(d) {
-    var nodes = [];
-    recurse(d, 0, nodes);
-    return nodes;
-  }
-
-  hierarchy.sort = function(x) {
-    if (!arguments.length) return sort;
-    sort = x;
-    return hierarchy;
-  };
-
-  hierarchy.children = function(x) {
-    if (!arguments.length) return children;
-    children = x;
-    return hierarchy;
-  };
-
-  hierarchy.value = function(x) {
-    if (!arguments.length) return value;
-    value = x;
-    return hierarchy;
-  };
-
-  // Re-evaluates the `value` property for the specified hierarchy.
-  hierarchy.revalue = function(root) {
-    revalue(root, 0);
-    return root;
-  };
-
-  return hierarchy;
-};
-
-// A method assignment helper for hierarchy subclasses.
-function d3_layout_hierarchyRebind(object, hierarchy) {
-  d3.rebind(object, hierarchy, "sort", "children", "value");
-
-  // Add an alias for links, for convenience.
-  object.links = d3_layout_hierarchyLinks;
-
-  // If the new API is used, enabling inlining.
-  object.nodes = function(d) {
-    d3_layout_hierarchyInline = true;
-    return (object.nodes = object)(d);
-  };
-
-  return object;
-}
-
-function d3_layout_hierarchyChildren(d) {
-  return d.children;
-}
-
-function d3_layout_hierarchyValue(d) {
-  return d.value;
-}
-
-function d3_layout_hierarchySort(a, b) {
-  return b.value - a.value;
-}
-
-// Returns an array source+target objects for the specified nodes.
-function d3_layout_hierarchyLinks(nodes) {
-  return d3.merge(nodes.map(function(parent) {
-    return (parent.children || []).map(function(child) {
-      return {source: parent, target: child};
-    });
-  }));
-}
-
-// For backwards-compatibility, don't enable inlining by default.
-var d3_layout_hierarchyInline = false;
-d3.layout.pack = function() {
-  var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort),
-      size = [1, 1];
-
-  function pack(d, i) {
-    var nodes = hierarchy.call(this, d, i),
-        root = nodes[0];
-
-    // Recursively compute the layout.
-    root.x = 0;
-    root.y = 0;
-    d3_layout_packTree(root);
-
-    // Scale the layout to fit the requested size.
-    var w = size[0],
-        h = size[1],
-        k = 1 / Math.max(2 * root.r / w, 2 * root.r / h);
-    d3_layout_packTransform(root, w / 2, h / 2, k);
-
-    return nodes;
-  }
-
-  pack.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return pack;
-  };
-
-  return d3_layout_hierarchyRebind(pack, hierarchy);
-};
-
-function d3_layout_packSort(a, b) {
-  return a.value - b.value;
-}
-
-function d3_layout_packInsert(a, b) {
-  var c = a._pack_next;
-  a._pack_next = b;
-  b._pack_prev = a;
-  b._pack_next = c;
-  c._pack_prev = b;
-}
-
-function d3_layout_packSplice(a, b) {
-  a._pack_next = b;
-  b._pack_prev = a;
-}
-
-function d3_layout_packIntersects(a, b) {
-  var dx = b.x - a.x,
-      dy = b.y - a.y,
-      dr = a.r + b.r;
-  return dr * dr - dx * dx - dy * dy > .001; // within epsilon
-}
-
-function d3_layout_packCircle(nodes) {
-  var xMin = Infinity,
-      xMax = -Infinity,
-      yMin = Infinity,
-      yMax = -Infinity,
-      n = nodes.length,
-      a, b, c, j, k;
-
-  function bound(node) {
-    xMin = Math.min(node.x - node.r, xMin);
-    xMax = Math.max(node.x + node.r, xMax);
-    yMin = Math.min(node.y - node.r, yMin);
-    yMax = Math.max(node.y + node.r, yMax);
-  }
-
-  // Create node links.
-  nodes.forEach(d3_layout_packLink);
-
-  // Create first node.
-  a = nodes[0];
-  a.x = -a.r;
-  a.y = 0;
-  bound(a);
-
-  // Create second node.
-  if (n > 1) {
-    b = nodes[1];
-    b.x = b.r;
-    b.y = 0;
-    bound(b);
-
-    // Create third node and build chain.
-    if (n > 2) {
-      c = nodes[2];
-      d3_layout_packPlace(a, b, c);
-      bound(c);
-      d3_layout_packInsert(a, c);
-      a._pack_prev = c;
-      d3_layout_packInsert(c, b);
-      b = a._pack_next;
-
-      // Now iterate through the rest.
-      for (var i = 3; i < n; i++) {
-        d3_layout_packPlace(a, b, c = nodes[i]);
-
-        // Search for the closest intersection.
-        var isect = 0, s1 = 1, s2 = 1;
-        for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
-          if (d3_layout_packIntersects(j, c)) {
-            isect = 1;
-            break;
+      return rows;
+    };
+    dsv.format = function(rows) {
+      if (Array.isArray(rows[0])) return dsv.formatRows(rows);
+      var fieldSet = new d3_Set(), fields = [];
+      rows.forEach(function(row) {
+        for (var field in row) {
+          if (!fieldSet.has(field)) {
+            fields.push(fieldSet.add(field));
           }
         }
-        if (isect == 1) {
-          for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
-            if (d3_layout_packIntersects(k, c)) {
-              break;
+      });
+      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
+        return fields.map(function(field) {
+          return formatValue(row[field]);
+        }).join(delimiter);
+      })).join("\n");
+    };
+    dsv.formatRows = function(rows) {
+      return rows.map(formatRow).join("\n");
+    };
+    function formatRow(row) {
+      return row.map(formatValue).join(delimiter);
+    }
+    function formatValue(text) {
+      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+    }
+    return dsv;
+  }
+  d3.csv = d3_dsv(",", "text/csv");
+  d3.tsv = d3_dsv("	", "text/tab-separated-values");
+  var d3_timer_id = 0, d3_timer_byId = {}, d3_timer_queue = null, d3_timer_interval, d3_timer_timeout;
+  d3.timer = function(callback, delay, then) {
+    if (arguments.length < 3) {
+      if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return;
+      then = Date.now();
+    }
+    var timer = d3_timer_byId[callback.id];
+    if (timer && timer.callback === callback) {
+      timer.then = then;
+      timer.delay = delay;
+    } else d3_timer_byId[callback.id = ++d3_timer_id] = d3_timer_queue = {
+      callback: callback,
+      then: then,
+      delay: delay,
+      next: d3_timer_queue
+    };
+    if (!d3_timer_interval) {
+      d3_timer_timeout = clearTimeout(d3_timer_timeout);
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  };
+  function d3_timer_step() {
+    var elapsed, now = Date.now(), t1 = d3_timer_queue;
+    while (t1) {
+      elapsed = now - t1.then;
+      if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
+      t1 = t1.next;
+    }
+    var delay = d3_timer_flush() - now;
+    if (delay > 24) {
+      if (isFinite(delay)) {
+        clearTimeout(d3_timer_timeout);
+        d3_timer_timeout = setTimeout(d3_timer_step, delay);
+      }
+      d3_timer_interval = 0;
+    } else {
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  }
+  d3.timer.flush = function() {
+    var elapsed, now = Date.now(), t1 = d3_timer_queue;
+    while (t1) {
+      elapsed = now - t1.then;
+      if (!t1.delay) t1.flush = t1.callback(elapsed);
+      t1 = t1.next;
+    }
+    d3_timer_flush();
+  };
+  function d3_timer_flush() {
+    var t0 = null, t1 = d3_timer_queue, then = Infinity;
+    while (t1) {
+      if (t1.flush) {
+        delete d3_timer_byId[t1.callback.id];
+        t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
+      } else {
+        then = Math.min(then, t1.then + t1.delay);
+        t1 = (t0 = t1).next;
+      }
+    }
+    return then;
+  }
+  var d3_timer_frame = d3_window.requestAnimationFrame || d3_window.webkitRequestAnimationFrame || d3_window.mozRequestAnimationFrame || d3_window.oRequestAnimationFrame || d3_window.msRequestAnimationFrame || function(callback) {
+    setTimeout(callback, 17);
+  };
+  var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ];
+  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+  d3.formatPrefix = function(value, precision) {
+    var i = 0;
+    if (value) {
+      if (value < 0) value *= -1;
+      if (precision) value = d3.round(value, d3_format_precision(value, precision));
+      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+      i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
+    }
+    return d3_formatPrefixes[8 + i / 3];
+  };
+  function d3_formatPrefix(d, i) {
+    var k = Math.pow(10, Math.abs(8 - i) * 3);
+    return {
+      scale: i > 8 ? function(d) {
+        return d / k;
+      } : function(d) {
+        return d * k;
+      },
+      symbol: d
+    };
+  }
+  d3.round = function(x, n) {
+    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+  };
+  d3.format = function(specifier) {
+    var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", basePrefix = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, suffix = "", integer = false;
+    if (precision) precision = +precision.substring(1);
+    if (zfill || fill === "0" && align === "=") {
+      zfill = fill = "0";
+      align = "=";
+      if (comma) width -= Math.floor((width - 1) / 4);
+    }
+    switch (type) {
+     case "n":
+      comma = true;
+      type = "g";
+      break;
+
+     case "%":
+      scale = 100;
+      suffix = "%";
+      type = "f";
+      break;
+
+     case "p":
+      scale = 100;
+      suffix = "%";
+      type = "r";
+      break;
+
+     case "b":
+     case "o":
+     case "x":
+     case "X":
+      if (basePrefix) basePrefix = "0" + type.toLowerCase();
+
+     case "c":
+     case "d":
+      integer = true;
+      precision = 0;
+      break;
+
+     case "s":
+      scale = -1;
+      type = "r";
+      break;
+    }
+    if (basePrefix === "#") basePrefix = "";
+    if (type == "r" && !precision) type = "g";
+    if (precision != null) {
+      if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
+    }
+    type = d3_format_types.get(type) || d3_format_typeDefault;
+    var zcomma = zfill && comma;
+    return function(value) {
+      if (integer && value % 1) return "";
+      var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign;
+      if (scale < 0) {
+        var prefix = d3.formatPrefix(value, precision);
+        value = prefix.scale(value);
+        suffix = prefix.symbol;
+      } else {
+        value *= scale;
+      }
+      value = type(value, precision);
+      if (!zfill && comma) value = d3_format_group(value);
+      var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
+      if (zcomma) value = d3_format_group(padding + value);
+      if (d3_format_decimalPoint) value.replace(".", d3_format_decimalPoint);
+      negative += basePrefix;
+      return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + suffix;
+    };
+  };
+  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
+  var d3_format_types = d3.map({
+    b: function(x) {
+      return x.toString(2);
+    },
+    c: function(x) {
+      return String.fromCharCode(x);
+    },
+    o: function(x) {
+      return x.toString(8);
+    },
+    x: function(x) {
+      return x.toString(16);
+    },
+    X: function(x) {
+      return x.toString(16).toUpperCase();
+    },
+    g: function(x, p) {
+      return x.toPrecision(p);
+    },
+    e: function(x, p) {
+      return x.toExponential(p);
+    },
+    f: function(x, p) {
+      return x.toFixed(p);
+    },
+    r: function(x, p) {
+      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
+    }
+  });
+  function d3_format_precision(x, p) {
+    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
+  }
+  function d3_format_typeDefault(x) {
+    return x + "";
+  }
+  var d3_format_group = d3_identity;
+  if (d3_format_grouping) {
+    var d3_format_groupingLength = d3_format_grouping.length;
+    d3_format_group = function(value) {
+      var i = value.lastIndexOf("."), f = i >= 0 ? "." + value.substring(i + 1) : (i = value.length, 
+      ""), t = [], j = 0, g = d3_format_grouping[0];
+      while (i > 0 && g > 0) {
+        t.push(value.substring(i -= g, i + g));
+        g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength];
+      }
+      return t.reverse().join(d3_format_thousandsSeparator || "") + f;
+    };
+  }
+  d3.geo = {};
+  d3.geo.stream = function(object, listener) {
+    if (d3_geo_streamObjectType.hasOwnProperty(object.type)) {
+      d3_geo_streamObjectType[object.type](object, listener);
+    } else {
+      d3_geo_streamGeometry(object, listener);
+    }
+  };
+  function d3_geo_streamGeometry(geometry, listener) {
+    if (d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
+      d3_geo_streamGeometryType[geometry.type](geometry, listener);
+    }
+  }
+  var d3_geo_streamObjectType = {
+    Feature: function(feature, listener) {
+      d3_geo_streamGeometry(feature.geometry, listener);
+    },
+    FeatureCollection: function(object, listener) {
+      var features = object.features, i = -1, n = features.length;
+      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
+    }
+  };
+  var d3_geo_streamGeometryType = {
+    Sphere: function(object, listener) {
+      listener.sphere();
+    },
+    Point: function(object, listener) {
+      var coordinate = object.coordinates;
+      listener.point(coordinate[0], coordinate[1]);
+    },
+    MultiPoint: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length, coordinate;
+      while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
+    },
+    LineString: function(object, listener) {
+      d3_geo_streamLine(object.coordinates, listener, 0);
+    },
+    MultiLineString: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
+    },
+    Polygon: function(object, listener) {
+      d3_geo_streamPolygon(object.coordinates, listener);
+    },
+    MultiPolygon: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
+    },
+    GeometryCollection: function(object, listener) {
+      var geometries = object.geometries, i = -1, n = geometries.length;
+      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
+    }
+  };
+  function d3_geo_streamLine(coordinates, listener, closed) {
+    var i = -1, n = coordinates.length - closed, coordinate;
+    listener.lineStart();
+    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
+    listener.lineEnd();
+  }
+  function d3_geo_streamPolygon(coordinates, listener) {
+    var i = -1, n = coordinates.length;
+    listener.polygonStart();
+    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
+    listener.polygonEnd();
+  }
+  d3.geo.area = function(object) {
+    d3_geo_areaSum = 0;
+    d3.geo.stream(object, d3_geo_area);
+    return d3_geo_areaSum;
+  };
+  var d3_geo_areaSum, d3_geo_areaRingU, d3_geo_areaRingV;
+  var d3_geo_area = {
+    sphere: function() {
+      d3_geo_areaSum += 4 * π;
+    },
+    point: d3_noop,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: function() {
+      d3_geo_areaRingU = 1, d3_geo_areaRingV = 0;
+      d3_geo_area.lineStart = d3_geo_areaRingStart;
+    },
+    polygonEnd: function() {
+      var area = 2 * Math.atan2(d3_geo_areaRingV, d3_geo_areaRingU);
+      d3_geo_areaSum += area < 0 ? 4 * π + area : area;
+      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
+    }
+  };
+  function d3_geo_areaRingStart() {
+    var λ00, φ00, λ0, cosφ0, sinφ0;
+    d3_geo_area.point = function(λ, φ) {
+      d3_geo_area.point = nextPoint;
+      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
+      sinφ0 = Math.sin(φ);
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      φ = φ * d3_radians / 2 + π / 4;
+      var dλ = λ - λ0, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u0 = d3_geo_areaRingU, v0 = d3_geo_areaRingV, u = cosφ0 * cosφ + k * Math.cos(dλ), v = k * Math.sin(dλ);
+      d3_geo_areaRingU = u0 * u - v0 * v;
+      d3_geo_areaRingV = v0 * u + u0 * v;
+      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
+    }
+    d3_geo_area.lineEnd = function() {
+      nextPoint(λ00, φ00);
+    };
+  }
+  d3.geo.bounds = d3_geo_bounds(d3_identity);
+  function d3_geo_bounds(projectStream) {
+    var x0, y0, x1, y1;
+    var bound = {
+      point: boundPoint,
+      lineStart: d3_noop,
+      lineEnd: d3_noop,
+      polygonStart: function() {
+        bound.lineEnd = boundPolygonLineEnd;
+      },
+      polygonEnd: function() {
+        bound.point = boundPoint;
+      }
+    };
+    function boundPoint(x, y) {
+      if (x < x0) x0 = x;
+      if (x > x1) x1 = x;
+      if (y < y0) y0 = y;
+      if (y > y1) y1 = y;
+    }
+    function boundPolygonLineEnd() {
+      bound.point = bound.lineEnd = d3_noop;
+    }
+    return function(feature) {
+      y1 = x1 = -(x0 = y0 = Infinity);
+      d3.geo.stream(feature, projectStream(bound));
+      return [ [ x0, y0 ], [ x1, y1 ] ];
+    };
+  }
+  d3.geo.centroid = function(object) {
+    d3_geo_centroidDimension = d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+    d3.geo.stream(object, d3_geo_centroid);
+    var m;
+    if (d3_geo_centroidW && Math.abs(m = Math.sqrt(d3_geo_centroidX * d3_geo_centroidX + d3_geo_centroidY * d3_geo_centroidY + d3_geo_centroidZ * d3_geo_centroidZ)) > ε) {
+      return [ Math.atan2(d3_geo_centroidY, d3_geo_centroidX) * d3_degrees, Math.asin(Math.max(-1, Math.min(1, d3_geo_centroidZ / m))) * d3_degrees ];
+    }
+  };
+  var d3_geo_centroidDimension, d3_geo_centroidW, d3_geo_centroidX, d3_geo_centroidY, d3_geo_centroidZ;
+  var d3_geo_centroid = {
+    sphere: function() {
+      if (d3_geo_centroidDimension < 2) {
+        d3_geo_centroidDimension = 2;
+        d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      }
+    },
+    point: d3_geo_centroidPoint,
+    lineStart: d3_geo_centroidLineStart,
+    lineEnd: d3_geo_centroidLineEnd,
+    polygonStart: function() {
+      if (d3_geo_centroidDimension < 2) {
+        d3_geo_centroidDimension = 2;
+        d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      }
+      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
+    }
+  };
+  function d3_geo_centroidPoint(λ, φ) {
+    if (d3_geo_centroidDimension) return;
+    ++d3_geo_centroidW;
+    λ *= d3_radians;
+    var cosφ = Math.cos(φ *= d3_radians);
+    d3_geo_centroidX += (cosφ * Math.cos(λ) - d3_geo_centroidX) / d3_geo_centroidW;
+    d3_geo_centroidY += (cosφ * Math.sin(λ) - d3_geo_centroidY) / d3_geo_centroidW;
+    d3_geo_centroidZ += (Math.sin(φ) - d3_geo_centroidZ) / d3_geo_centroidW;
+  }
+  function d3_geo_centroidRingStart() {
+    var λ00, φ00;
+    d3_geo_centroidDimension = 1;
+    d3_geo_centroidLineStart();
+    d3_geo_centroidDimension = 2;
+    var linePoint = d3_geo_centroid.point;
+    d3_geo_centroid.point = function(λ, φ) {
+      linePoint(λ00 = λ, φ00 = φ);
+    };
+    d3_geo_centroid.lineEnd = function() {
+      d3_geo_centroid.point(λ00, φ00);
+      d3_geo_centroidLineEnd();
+      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
+    };
+  }
+  function d3_geo_centroidLineStart() {
+    var x0, y0, z0;
+    if (d3_geo_centroidDimension > 1) return;
+    if (d3_geo_centroidDimension < 1) {
+      d3_geo_centroidDimension = 1;
+      d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+    }
+    d3_geo_centroid.point = function(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians);
+      x0 = cosφ * Math.cos(λ);
+      y0 = cosφ * Math.sin(λ);
+      z0 = Math.sin(φ);
+      d3_geo_centroid.point = nextPoint;
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+      d3_geo_centroidW += w;
+      d3_geo_centroidX += w * (x0 + (x0 = x));
+      d3_geo_centroidY += w * (y0 + (y0 = y));
+      d3_geo_centroidZ += w * (z0 + (z0 = z));
+    }
+  }
+  function d3_geo_centroidLineEnd() {
+    d3_geo_centroid.point = d3_geo_centroidPoint;
+  }
+  function d3_geo_cartesian(spherical) {
+    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
+    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
+  }
+  function d3_geo_cartesianDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+  }
+  function d3_geo_cartesianCross(a, b) {
+    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
+  }
+  function d3_geo_cartesianAdd(a, b) {
+    a[0] += b[0];
+    a[1] += b[1];
+    a[2] += b[2];
+  }
+  function d3_geo_cartesianScale(vector, k) {
+    return [ vector[0] * k, vector[1] * k, vector[2] * k ];
+  }
+  function d3_geo_cartesianNormalize(d) {
+    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+    d[0] /= l;
+    d[1] /= l;
+    d[2] /= l;
+  }
+  function d3_true() {
+    return true;
+  }
+  function d3_geo_spherical(cartesian) {
+    return [ Math.atan2(cartesian[1], cartesian[0]), Math.asin(Math.max(-1, Math.min(1, cartesian[2]))) ];
+  }
+  function d3_geo_sphericalEqual(a, b) {
+    return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε;
+  }
+  function d3_geo_clipPolygon(segments, compare, inside, interpolate, listener) {
+    var subject = [], clip = [];
+    segments.forEach(function(segment) {
+      if ((n = segment.length - 1) <= 0) return;
+      var n, p0 = segment[0], p1 = segment[n];
+      if (d3_geo_sphericalEqual(p0, p1)) {
+        listener.lineStart();
+        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
+        listener.lineEnd();
+        return;
+      }
+      var a = {
+        point: p0,
+        points: segment,
+        other: null,
+        visited: false,
+        entry: true,
+        subject: true
+      }, b = {
+        point: p0,
+        points: [ p0 ],
+        other: a,
+        visited: false,
+        entry: false,
+        subject: false
+      };
+      a.other = b;
+      subject.push(a);
+      clip.push(b);
+      a = {
+        point: p1,
+        points: [ p1 ],
+        other: null,
+        visited: false,
+        entry: false,
+        subject: true
+      };
+      b = {
+        point: p1,
+        points: [ p1 ],
+        other: a,
+        visited: false,
+        entry: true,
+        subject: false
+      };
+      a.other = b;
+      subject.push(a);
+      clip.push(b);
+    });
+    clip.sort(compare);
+    d3_geo_clipPolygonLinkCircular(subject);
+    d3_geo_clipPolygonLinkCircular(clip);
+    if (!subject.length) return;
+    if (inside) for (var i = 1, e = !inside(clip[0].point), n = clip.length; i < n; ++i) {
+      clip[i].entry = e = !e;
+    }
+    var start = subject[0], current, points, point;
+    while (1) {
+      current = start;
+      while (current.visited) if ((current = current.next) === start) return;
+      points = current.points;
+      listener.lineStart();
+      do {
+        current.visited = current.other.visited = true;
+        if (current.entry) {
+          if (current.subject) {
+            for (var i = 0; i < points.length; i++) listener.point((point = points[i])[0], point[1]);
+          } else {
+            interpolate(current.point, current.next.point, 1, listener);
+          }
+          current = current.next;
+        } else {
+          if (current.subject) {
+            points = current.prev.points;
+            for (var i = points.length; --i >= 0; ) listener.point((point = points[i])[0], point[1]);
+          } else {
+            interpolate(current.point, current.prev.point, -1, listener);
+          }
+          current = current.prev;
+        }
+        current = current.other;
+        points = current.points;
+      } while (!current.visited);
+      listener.lineEnd();
+    }
+  }
+  function d3_geo_clipPolygonLinkCircular(array) {
+    if (!(n = array.length)) return;
+    var n, i = 0, a = array[0], b;
+    while (++i < n) {
+      a.next = b = array[i];
+      b.prev = a;
+      a = b;
+    }
+    a.next = b = array[0];
+    b.prev = a;
+  }
+  function d3_geo_clip(pointVisible, clipLine, interpolate) {
+    return function(listener) {
+      var line = clipLine(listener);
+      var clip = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          clip.point = pointRing;
+          clip.lineStart = ringStart;
+          clip.lineEnd = ringEnd;
+          invisible = false;
+          invisibleArea = visibleArea = 0;
+          segments = [];
+          listener.polygonStart();
+        },
+        polygonEnd: function() {
+          clip.point = point;
+          clip.lineStart = lineStart;
+          clip.lineEnd = lineEnd;
+          segments = d3.merge(segments);
+          if (segments.length) {
+            d3_geo_clipPolygon(segments, d3_geo_clipSort, null, interpolate, listener);
+          } else if (visibleArea < -ε || invisible && invisibleArea < -ε) {
+            listener.lineStart();
+            interpolate(null, null, 1, listener);
+            listener.lineEnd();
+          }
+          listener.polygonEnd();
+          segments = null;
+        },
+        sphere: function() {
+          listener.polygonStart();
+          listener.lineStart();
+          interpolate(null, null, 1, listener);
+          listener.lineEnd();
+          listener.polygonEnd();
+        }
+      };
+      function point(λ, φ) {
+        if (pointVisible(λ, φ)) listener.point(λ, φ);
+      }
+      function pointLine(λ, φ) {
+        line.point(λ, φ);
+      }
+      function lineStart() {
+        clip.point = pointLine;
+        line.lineStart();
+      }
+      function lineEnd() {
+        clip.point = point;
+        line.lineEnd();
+      }
+      var segments, visibleArea, invisibleArea, invisible;
+      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), ring;
+      function pointRing(λ, φ) {
+        ringListener.point(λ, φ);
+        ring.push([ λ, φ ]);
+      }
+      function ringStart() {
+        ringListener.lineStart();
+        ring = [];
+      }
+      function ringEnd() {
+        pointRing(ring[0][0], ring[0][1]);
+        ringListener.lineEnd();
+        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
+        if (!n) {
+          invisible = true;
+          invisibleArea += d3_geo_clipAreaRing(ring, -1);
+          ring = null;
+          return;
+        }
+        ring = null;
+        if (clean & 1) {
+          segment = ringSegments[0];
+          visibleArea += d3_geo_clipAreaRing(segment, 1);
+          var n = segment.length - 1, i = -1, point;
+          listener.lineStart();
+          while (++i < n) listener.point((point = segment[i])[0], point[1]);
+          listener.lineEnd();
+          return;
+        }
+        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
+      }
+      return clip;
+    };
+  }
+  function d3_geo_clipSegmentLength1(segment) {
+    return segment.length > 1;
+  }
+  function d3_geo_clipBufferListener() {
+    var lines = [], line;
+    return {
+      lineStart: function() {
+        lines.push(line = []);
+      },
+      point: function(λ, φ) {
+        line.push([ λ, φ ]);
+      },
+      lineEnd: d3_noop,
+      buffer: function() {
+        var buffer = lines;
+        lines = [];
+        line = null;
+        return buffer;
+      },
+      rejoin: function() {
+        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
+      }
+    };
+  }
+  function d3_geo_clipAreaRing(ring, invisible) {
+    if (!(n = ring.length)) return 0;
+    var n, i = 0, area = 0, p = ring[0], λ = p[0], φ = p[1], cosφ = Math.cos(φ), x0 = Math.atan2(invisible * Math.sin(λ) * cosφ, Math.sin(φ)), y0 = 1 - invisible * Math.cos(λ) * cosφ, x1 = x0, x, y;
+    while (++i < n) {
+      p = ring[i];
+      cosφ = Math.cos(φ = p[1]);
+      x = Math.atan2(invisible * Math.sin(λ = p[0]) * cosφ, Math.sin(φ));
+      y = 1 - invisible * Math.cos(λ) * cosφ;
+      if (Math.abs(y0 - 2) < ε && Math.abs(y - 2) < ε) continue;
+      if (Math.abs(y) < ε || Math.abs(y0) < ε) {} else if (Math.abs(Math.abs(x - x0) - π) < ε) {
+        if (y + y0 > 2) area += 4 * (x - x0);
+      } else if (Math.abs(y0 - 2) < ε) area += 4 * (x - x1); else area += ((3 * π + x - x0) % (2 * π) - π) * (y0 + y);
+      x1 = x0, x0 = x, y0 = y;
+    }
+    return area;
+  }
+  function d3_geo_clipSort(a, b) {
+    return ((a = a.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - b[1]);
+  }
+  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate);
+  function d3_geo_clipAntimeridianLine(listener) {
+    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
+    return {
+      lineStart: function() {
+        listener.lineStart();
+        clean = 1;
+      },
+      point: function(λ1, φ1) {
+        var sλ1 = λ1 > 0 ? π : -π, dλ = Math.abs(λ1 - λ0);
+        if (Math.abs(dλ - π) < ε) {
+          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2);
+          listener.point(sλ0, φ0);
+          listener.lineEnd();
+          listener.lineStart();
+          listener.point(sλ1, φ0);
+          listener.point(λ1, φ0);
+          clean = 0;
+        } else if (sλ0 !== sλ1 && dλ >= π) {
+          if (Math.abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
+          if (Math.abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
+          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
+          listener.point(sλ0, φ0);
+          listener.lineEnd();
+          listener.lineStart();
+          listener.point(sλ1, φ0);
+          clean = 0;
+        }
+        listener.point(λ0 = λ1, φ0 = φ1);
+        sλ0 = sλ1;
+      },
+      lineEnd: function() {
+        listener.lineEnd();
+        λ0 = φ0 = NaN;
+      },
+      clean: function() {
+        return 2 - clean;
+      }
+    };
+  }
+  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
+    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
+    return Math.abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
+  }
+  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
+    var φ;
+    if (from == null) {
+      φ = direction * π / 2;
+      listener.point(-π, φ);
+      listener.point(0, φ);
+      listener.point(π, φ);
+      listener.point(π, 0);
+      listener.point(π, -φ);
+      listener.point(0, -φ);
+      listener.point(-π, -φ);
+      listener.point(-π, 0);
+      listener.point(-π, φ);
+    } else if (Math.abs(from[0] - to[0]) > ε) {
+      var s = (from[0] < to[0] ? 1 : -1) * π;
+      φ = direction * s / 2;
+      listener.point(-s, φ);
+      listener.point(0, φ);
+      listener.point(s, φ);
+    } else {
+      listener.point(to[0], to[1]);
+    }
+  }
+  function d3_geo_clipCircle(radius) {
+    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = Math.abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
+    return d3_geo_clip(visible, clipLine, interpolate);
+    function visible(λ, φ) {
+      return Math.cos(λ) * Math.cos(φ) > cr;
+    }
+    function clipLine(listener) {
+      var point0, c0, v0, v00, clean;
+      return {
+        lineStart: function() {
+          v00 = v0 = false;
+          clean = 1;
+        },
+        point: function(λ, φ) {
+          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
+          if (!point0 && (v00 = v0 = v)) listener.lineStart();
+          if (v !== v0) {
+            point2 = intersect(point0, point1);
+            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
+              point1[0] += ε;
+              point1[1] += ε;
+              v = visible(point1[0], point1[1]);
+            }
+          }
+          if (v !== v0) {
+            clean = 0;
+            if (v) {
+              listener.lineStart();
+              point2 = intersect(point1, point0);
+              listener.point(point2[0], point2[1]);
+            } else {
+              point2 = intersect(point0, point1);
+              listener.point(point2[0], point2[1]);
+              listener.lineEnd();
+            }
+            point0 = point2;
+          } else if (notHemisphere && point0 && smallRadius ^ v) {
+            var t;
+            if (!(c & c0) && (t = intersect(point1, point0, true))) {
+              clean = 0;
+              if (smallRadius) {
+                listener.lineStart();
+                listener.point(t[0][0], t[0][1]);
+                listener.point(t[1][0], t[1][1]);
+                listener.lineEnd();
+              } else {
+                listener.point(t[1][0], t[1][1]);
+                listener.lineEnd();
+                listener.lineStart();
+                listener.point(t[0][0], t[0][1]);
+              }
+            }
+          }
+          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
+            listener.point(point1[0], point1[1]);
+          }
+          point0 = point1, v0 = v, c0 = c;
+        },
+        lineEnd: function() {
+          if (v0) listener.lineEnd();
+          point0 = null;
+        },
+        clean: function() {
+          return clean | (v00 && v0) << 1;
+        }
+      };
+    }
+    function intersect(a, b, two) {
+      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
+      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+      if (!determinant) return !two && a;
+      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
+      d3_geo_cartesianAdd(A, B);
+      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
+      if (t2 < 0) return;
+      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
+      d3_geo_cartesianAdd(q, A);
+      q = d3_geo_spherical(q);
+      if (!two) return q;
+      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
+      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
+      var δλ = λ1 - λ0, polar = Math.abs(δλ - π) < ε, meridian = polar || δλ < ε;
+      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
+      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (Math.abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
+        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
+        d3_geo_cartesianAdd(q1, A);
+        return [ q, d3_geo_spherical(q1) ];
+      }
+    }
+    function code(λ, φ) {
+      var r = smallRadius ? radius : π - radius, code = 0;
+      if (λ < -r) code |= 1; else if (λ > r) code |= 2;
+      if (φ < -r) code |= 4; else if (φ > r) code |= 8;
+      return code;
+    }
+  }
+  var d3_geo_clipViewMAX = 1e9;
+  function d3_geo_clipView(x0, y0, x1, y1) {
+    return function(listener) {
+      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), segments, polygon, ring;
+      var clip = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          listener = bufferListener;
+          segments = [];
+          polygon = [];
+        },
+        polygonEnd: function() {
+          listener = listener_;
+          if ((segments = d3.merge(segments)).length) {
+            listener.polygonStart();
+            d3_geo_clipPolygon(segments, compare, inside, interpolate, listener);
+            listener.polygonEnd();
+          } else if (insidePolygon([ x0, y0 ])) {
+            listener.polygonStart(), listener.lineStart();
+            interpolate(null, null, 1, listener);
+            listener.lineEnd(), listener.polygonEnd();
+          }
+          segments = polygon = ring = null;
+        }
+      };
+      function inside(point) {
+        var a = corner(point, -1), i = insidePolygon([ a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0 ]);
+        return i;
+      }
+      function insidePolygon(p) {
+        var wn = 0, n = polygon.length, y = p[1];
+        for (var i = 0; i < n; ++i) {
+          for (var j = 1, v = polygon[i], m = v.length, a = v[0]; j < m; ++j) {
+            b = v[j];
+            if (a[1] <= y) {
+              if (b[1] > y && isLeft(a, b, p) > 0) ++wn;
+            } else {
+              if (b[1] <= y && isLeft(a, b, p) < 0) --wn;
+            }
+            a = b;
+          }
+        }
+        return wn !== 0;
+      }
+      function isLeft(a, b, c) {
+        return (b[0] - a[0]) * (c[1] - a[1]) - (c[0] - a[0]) * (b[1] - a[1]);
+      }
+      function interpolate(from, to, direction, listener) {
+        var a = 0, a1 = 0;
+        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
+          do {
+            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
+          } while ((a = (a + direction + 4) % 4) !== a1);
+        } else {
+          listener.point(to[0], to[1]);
+        }
+      }
+      function visible(x, y) {
+        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
+      }
+      function point(x, y) {
+        if (visible(x, y)) listener.point(x, y);
+      }
+      var x__, y__, v__, x_, y_, v_, first;
+      function lineStart() {
+        clip.point = linePoint;
+        if (polygon) polygon.push(ring = []);
+        first = true;
+        v_ = false;
+        x_ = y_ = NaN;
+      }
+      function lineEnd() {
+        if (segments) {
+          linePoint(x__, y__);
+          if (v__ && v_) bufferListener.rejoin();
+          segments.push(bufferListener.buffer());
+        }
+        clip.point = point;
+        if (v_) listener.lineEnd();
+      }
+      function linePoint(x, y) {
+        x = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, x));
+        y = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, y));
+        var v = visible(x, y);
+        if (polygon) ring.push([ x, y ]);
+        if (first) {
+          x__ = x, y__ = y, v__ = v;
+          first = false;
+          if (v) {
+            listener.lineStart();
+            listener.point(x, y);
+          }
+        } else {
+          if (v && v_) listener.point(x, y); else {
+            var a = [ x_, y_ ], b = [ x, y ];
+            if (clipLine(a, b)) {
+              if (!v_) {
+                listener.lineStart();
+                listener.point(a[0], a[1]);
+              }
+              listener.point(b[0], b[1]);
+              if (!v) listener.lineEnd();
+            } else {
+              listener.lineStart();
+              listener.point(x, y);
             }
           }
         }
-
-        // Update node chain.
-        if (isect) {
-          if (s1 < s2 || (s1 == s2 && b.r < a.r)) d3_layout_packSplice(a, b = j);
-          else d3_layout_packSplice(a = k, b);
-          i--;
-        } else {
-          d3_layout_packInsert(a, c);
-          b = c;
-          bound(c);
+        x_ = x, y_ = y, v_ = v;
+      }
+      return clip;
+    };
+    function corner(p, direction) {
+      return Math.abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : Math.abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : Math.abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
+    }
+    function compare(a, b) {
+      return comparePoints(a.point, b.point);
+    }
+    function comparePoints(a, b) {
+      var ca = corner(a, 1), cb = corner(b, 1);
+      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
+    }
+    function clipLine(a, b) {
+      var dx = b[0] - a[0], dy = b[1] - a[1], t = [ 0, 1 ];
+      if (Math.abs(dx) < ε && Math.abs(dy) < ε) return x0 <= a[0] && a[0] <= x1 && y0 <= a[1] && a[1] <= y1;
+      if (d3_geo_clipViewT(x0 - a[0], dx, t) && d3_geo_clipViewT(a[0] - x1, -dx, t) && d3_geo_clipViewT(y0 - a[1], dy, t) && d3_geo_clipViewT(a[1] - y1, -dy, t)) {
+        if (t[1] < 1) {
+          b[0] = a[0] + t[1] * dx;
+          b[1] = a[1] + t[1] * dy;
         }
-      }
-    }
-  }
-
-  // Re-center the circles and return the encompassing radius.
-  var cx = (xMin + xMax) / 2,
-      cy = (yMin + yMax) / 2,
-      cr = 0;
-  for (var i = 0; i < n; i++) {
-    var node = nodes[i];
-    node.x -= cx;
-    node.y -= cy;
-    cr = Math.max(cr, node.r + Math.sqrt(node.x * node.x + node.y * node.y));
-  }
-
-  // Remove node links.
-  nodes.forEach(d3_layout_packUnlink);
-
-  return cr;
-}
-
-function d3_layout_packLink(node) {
-  node._pack_next = node._pack_prev = node;
-}
-
-function d3_layout_packUnlink(node) {
-  delete node._pack_next;
-  delete node._pack_prev;
-}
-
-function d3_layout_packTree(node) {
-  var children = node.children;
-  if (children && children.length) {
-    children.forEach(d3_layout_packTree);
-    node.r = d3_layout_packCircle(children);
-  } else {
-    node.r = Math.sqrt(node.value);
-  }
-}
-
-function d3_layout_packTransform(node, x, y, k) {
-  var children = node.children;
-  node.x = (x += k * node.x);
-  node.y = (y += k * node.y);
-  node.r *= k;
-  if (children) {
-    var i = -1, n = children.length;
-    while (++i < n) d3_layout_packTransform(children[i], x, y, k);
-  }
-}
-
-function d3_layout_packPlace(a, b, c) {
-  var db = a.r + c.r,
-      dx = b.x - a.x,
-      dy = b.y - a.y;
-  if (db && (dx || dy)) {
-    var da = b.r + c.r,
-        dc = Math.sqrt(dx * dx + dy * dy),
-        cos = Math.max(-1, Math.min(1, (db * db + dc * dc - da * da) / (2 * db * dc))),
-        theta = Math.acos(cos),
-        x = cos * (db /= dc),
-        y = Math.sin(theta) * db;
-    c.x = a.x + x * dx + y * dy;
-    c.y = a.y + x * dy - y * dx;
-  } else {
-    c.x = a.x + db;
-    c.y = a.y;
-  }
-}
-// Implements a hierarchical layout using the cluster (or dendrogram)
-// algorithm.
-d3.layout.cluster = function() {
-  var hierarchy = d3.layout.hierarchy().sort(null).value(null),
-      separation = d3_layout_treeSeparation,
-      size = [1, 1]; // width, height
-
-  function cluster(d, i) {
-    var nodes = hierarchy.call(this, d, i),
-        root = nodes[0],
-        previousNode,
-        x = 0,
-        kx,
-        ky;
-
-    // First walk, computing the initial x & y values.
-    d3_layout_treeVisitAfter(root, function(node) {
-      var children = node.children;
-      if (children && children.length) {
-        node.x = d3_layout_clusterX(children);
-        node.y = d3_layout_clusterY(children);
-      } else {
-        node.x = previousNode ? x += separation(node, previousNode) : 0;
-        node.y = 0;
-        previousNode = node;
-      }
-    });
-
-    // Compute the left-most, right-most, and depth-most nodes for extents.
-    var left = d3_layout_clusterLeft(root),
-        right = d3_layout_clusterRight(root),
-        x0 = left.x - separation(left, right) / 2,
-        x1 = right.x + separation(right, left) / 2;
-
-    // Second walk, normalizing x & y to the desired size.
-    d3_layout_treeVisitAfter(root, function(node) {
-      node.x = (node.x - x0) / (x1 - x0) * size[0];
-      node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
-    });
-
-    return nodes;
-  }
-
-  cluster.separation = function(x) {
-    if (!arguments.length) return separation;
-    separation = x;
-    return cluster;
-  };
-
-  cluster.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return cluster;
-  };
-
-  return d3_layout_hierarchyRebind(cluster, hierarchy);
-};
-
-function d3_layout_clusterY(children) {
-  return 1 + d3.max(children, function(child) {
-    return child.y;
-  });
-}
-
-function d3_layout_clusterX(children) {
-  return children.reduce(function(x, child) {
-    return x + child.x;
-  }, 0) / children.length;
-}
-
-function d3_layout_clusterLeft(node) {
-  var children = node.children;
-  return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
-}
-
-function d3_layout_clusterRight(node) {
-  var children = node.children, n;
-  return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
-}
-// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm
-d3.layout.tree = function() {
-  var hierarchy = d3.layout.hierarchy().sort(null).value(null),
-      separation = d3_layout_treeSeparation,
-      size = [1, 1]; // width, height
-
-  function tree(d, i) {
-    var nodes = hierarchy.call(this, d, i),
-        root = nodes[0];
-
-    function firstWalk(node, previousSibling) {
-      var children = node.children,
-          layout = node._tree;
-      if (children && (n = children.length)) {
-        var n,
-            firstChild = children[0],
-            previousChild,
-            ancestor = firstChild,
-            child,
-            i = -1;
-        while (++i < n) {
-          child = children[i];
-          firstWalk(child, previousChild);
-          ancestor = apportion(child, previousChild, ancestor);
-          previousChild = child;
-        }
-        d3_layout_treeShift(node);
-        var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
-        if (previousSibling) {
-          layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
-          layout.mod = layout.prelim - midpoint;
-        } else {
-          layout.prelim = midpoint;
-        }
-      } else {
-        if (previousSibling) {
-          layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+        if (t[0] > 0) {
+          a[0] += t[0] * dx;
+          a[1] += t[0] * dy;
         }
+        return true;
       }
-    }
-
-    function secondWalk(node, x) {
-      node.x = node._tree.prelim + x;
-      var children = node.children;
-      if (children && (n = children.length)) {
-        var i = -1,
-            n;
-        x += node._tree.mod;
-        while (++i < n) {
-          secondWalk(children[i], x);
-        }
-      }
-    }
-
-    function apportion(node, previousSibling, ancestor) {
-      if (previousSibling) {
-        var vip = node,
-            vop = node,
-            vim = previousSibling,
-            vom = node.parent.children[0],
-            sip = vip._tree.mod,
-            sop = vop._tree.mod,
-            sim = vim._tree.mod,
-            som = vom._tree.mod,
-            shift;
-        while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
-          vom = d3_layout_treeLeft(vom);
-          vop = d3_layout_treeRight(vop);
-          vop._tree.ancestor = node;
-          shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
-          if (shift > 0) {
-            d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
-            sip += shift;
-            sop += shift;
-          }
-          sim += vim._tree.mod;
-          sip += vip._tree.mod;
-          som += vom._tree.mod;
-          sop += vop._tree.mod;
-        }
-        if (vim && !d3_layout_treeRight(vop)) {
-          vop._tree.thread = vim;
-          vop._tree.mod += sim - sop;
-        }
-        if (vip && !d3_layout_treeLeft(vom)) {
-          vom._tree.thread = vip;
-          vom._tree.mod += sip - som;
-          ancestor = node;
-        }
-      }
-      return ancestor;
-    }
-
-    // Initialize temporary layout variables.
-    d3_layout_treeVisitAfter(root, function(node, previousSibling) {
-      node._tree = {
-        ancestor: node,
-        prelim: 0,
-        mod: 0,
-        change: 0,
-        shift: 0,
-        number: previousSibling ? previousSibling._tree.number + 1 : 0
-      };
-    });
-
-    // Compute the layout using Buchheim et al.'s algorithm.
-    firstWalk(root);
-    secondWalk(root, -root._tree.prelim);
-
-    // Compute the left-most, right-most, and depth-most nodes for extents.
-    var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost),
-        right = d3_layout_treeSearch(root, d3_layout_treeRightmost),
-        deep = d3_layout_treeSearch(root, d3_layout_treeDeepest),
-        x0 = left.x - separation(left, right) / 2,
-        x1 = right.x + separation(right, left) / 2,
-        y1 = deep.depth || 1;
-
-    // Clear temporary layout variables; transform x and y.
-    d3_layout_treeVisitAfter(root, function(node) {
-      node.x = (node.x - x0) / (x1 - x0) * size[0];
-      node.y = node.depth / y1 * size[1];
-      delete node._tree;
-    });
-
-    return nodes;
-  }
-
-  tree.separation = function(x) {
-    if (!arguments.length) return separation;
-    separation = x;
-    return tree;
-  };
-
-  tree.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return tree;
-  };
-
-  return d3_layout_hierarchyRebind(tree, hierarchy);
-};
-
-function d3_layout_treeSeparation(a, b) {
-  return a.parent == b.parent ? 1 : 2;
-}
-
-// function d3_layout_treeSeparationRadial(a, b) {
-//   return (a.parent == b.parent ? 1 : 2) / a.depth;
-// }
-
-function d3_layout_treeLeft(node) {
-  var children = node.children;
-  return children && children.length ? children[0] : node._tree.thread;
-}
-
-function d3_layout_treeRight(node) {
-  var children = node.children,
-      n;
-  return children && (n = children.length) ? children[n - 1] : node._tree.thread;
-}
-
-function d3_layout_treeSearch(node, compare) {
-  var children = node.children;
-  if (children && (n = children.length)) {
-    var child,
-        n,
-        i = -1;
-    while (++i < n) {
-      if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
-        node = child;
-      }
+      return false;
     }
   }
-  return node;
-}
-
-function d3_layout_treeRightmost(a, b) {
-  return a.x - b.x;
-}
-
-function d3_layout_treeLeftmost(a, b) {
-  return b.x - a.x;
-}
-
-function d3_layout_treeDeepest(a, b) {
-  return a.depth - b.depth;
-}
-
-function d3_layout_treeVisitAfter(node, callback) {
-  function visit(node, previousSibling) {
-    var children = node.children;
-    if (children && (n = children.length)) {
-      var child,
-          previousChild = null,
-          i = -1,
-          n;
-      while (++i < n) {
-        child = children[i];
-        visit(child, previousChild);
-        previousChild = child;
-      }
-    }
-    callback(node, previousSibling);
-  }
-  visit(node, null);
-}
-
-function d3_layout_treeShift(node) {
-  var shift = 0,
-      change = 0,
-      children = node.children,
-      i = children.length,
-      child;
-  while (--i >= 0) {
-    child = children[i]._tree;
-    child.prelim += shift;
-    child.mod += shift;
-    shift += child.shift + (change += child.change);
-  }
-}
-
-function d3_layout_treeMove(ancestor, node, shift) {
-  ancestor = ancestor._tree;
-  node = node._tree;
-  var change = shift / (node.number - ancestor.number);
-  ancestor.change += change;
-  node.change -= change;
-  node.shift += shift;
-  node.prelim += shift;
-  node.mod += shift;
-}
-
-function d3_layout_treeAncestor(vim, node, ancestor) {
-  return vim._tree.ancestor.parent == node.parent
-      ? vim._tree.ancestor
-      : ancestor;
-}
-// Squarified Treemaps by Mark Bruls, Kees Huizing, and Jarke J. van Wijk
-// Modified to support a target aspect ratio by Jeff Heer
-d3.layout.treemap = function() {
-  var hierarchy = d3.layout.hierarchy(),
-      round = Math.round,
-      size = [1, 1], // width, height
-      padding = null,
-      pad = d3_layout_treemapPadNull,
-      sticky = false,
-      stickies,
-      ratio = 0.5 * (1 + Math.sqrt(5)); // golden ratio
-
-  // Compute the area for each child based on value & scale.
-  function scale(children, k) {
-    var i = -1,
-        n = children.length,
-        child,
-        area;
-    while (++i < n) {
-      area = (child = children[i]).value * (k < 0 ? 0 : k);
-      child.area = isNaN(area) || area <= 0 ? 0 : area;
-    }
-  }
-
-  // Recursively arranges the specified node's children into squarified rows.
-  function squarify(node) {
-    var children = node.children;
-    if (children && children.length) {
-      var rect = pad(node),
-          row = [],
-          remaining = children.slice(), // copy-on-write
-          child,
-          best = Infinity, // the best row score so far
-          score, // the current row score
-          u = Math.min(rect.dx, rect.dy), // initial orientation
-          n;
-      scale(remaining, rect.dx * rect.dy / node.value);
-      row.area = 0;
-      while ((n = remaining.length) > 0) {
-        row.push(child = remaining[n - 1]);
-        row.area += child.area;
-        if ((score = worst(row, u)) <= best) { // continue with this orientation
-          remaining.pop();
-          best = score;
-        } else { // abort, and try a different orientation
-          row.area -= row.pop().area;
-          position(row, u, rect, false);
-          u = Math.min(rect.dx, rect.dy);
-          row.length = row.area = 0;
-          best = Infinity;
-        }
-      }
-      if (row.length) {
-        position(row, u, rect, true);
-        row.length = row.area = 0;
-      }
-      children.forEach(squarify);
-    }
-  }
-
-  // Recursively resizes the specified node's children into existing rows.
-  // Preserves the existing layout!
-  function stickify(node) {
-    var children = node.children;
-    if (children && children.length) {
-      var rect = pad(node),
-          remaining = children.slice(), // copy-on-write
-          child,
-          row = [];
-      scale(remaining, rect.dx * rect.dy / node.value);
-      row.area = 0;
-      while (child = remaining.pop()) {
-        row.push(child);
-        row.area += child.area;
-        if (child.z != null) {
-          position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
-          row.length = row.area = 0;
-        }
-      }
-      children.forEach(stickify);
-    }
-  }
-
-  // Computes the score for the specified row, as the worst aspect ratio.
-  function worst(row, u) {
-    var s = row.area,
-        r,
-        rmax = 0,
-        rmin = Infinity,
-        i = -1,
-        n = row.length;
-    while (++i < n) {
-      if (!(r = row[i].area)) continue;
-      if (r < rmin) rmin = r;
-      if (r > rmax) rmax = r;
-    }
-    s *= s;
-    u *= u;
-    return s
-        ? Math.max((u * rmax * ratio) / s, s / (u * rmin * ratio))
-        : Infinity;
-  }
-
-  // Positions the specified row of nodes. Modifies `rect`.
-  function position(row, u, rect, flush) {
-    var i = -1,
-        n = row.length,
-        x = rect.x,
-        y = rect.y,
-        v = u ? round(row.area / u) : 0,
-        o;
-    if (u == rect.dx) { // horizontal subdivision
-      if (flush || v > rect.dy) v = rect.dy; // over+underflow
-      while (++i < n) {
-        o = row[i];
-        o.x = x;
-        o.y = y;
-        o.dy = v;
-        x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
-      }
-      o.z = true;
-      o.dx += rect.x + rect.dx - x; // rounding error
-      rect.y += v;
-      rect.dy -= v;
-    } else { // vertical subdivision
-      if (flush || v > rect.dx) v = rect.dx; // over+underflow
-      while (++i < n) {
-        o = row[i];
-        o.x = x;
-        o.y = y;
-        o.dx = v;
-        y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
-      }
-      o.z = false;
-      o.dy += rect.y + rect.dy - y; // rounding error
-      rect.x += v;
-      rect.dx -= v;
-    }
-  }
-
-  function treemap(d) {
-    var nodes = stickies || hierarchy(d),
-        root = nodes[0];
-    root.x = 0;
-    root.y = 0;
-    root.dx = size[0];
-    root.dy = size[1];
-    if (stickies) hierarchy.revalue(root);
-    scale([root], root.dx * root.dy / root.value);
-    (stickies ? stickify : squarify)(root);
-    if (sticky) stickies = nodes;
-    return nodes;
-  }
-
-  treemap.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return treemap;
-  };
-
-  treemap.padding = function(x) {
-    if (!arguments.length) return padding;
-
-    function padFunction(node) {
-      var p = x.call(treemap, node, node.depth);
-      return p == null
-          ? d3_layout_treemapPadNull(node)
-          : d3_layout_treemapPad(node, typeof p === "number" ? [p, p, p, p] : p);
-    }
-
-    function padConstant(node) {
-      return d3_layout_treemapPad(node, x);
-    }
-
-    var type;
-    pad = (padding = x) == null ? d3_layout_treemapPadNull
-        : (type = typeof x) === "function" ? padFunction
-        : type === "number" ? (x = [x, x, x, x], padConstant)
-        : padConstant;
-    return treemap;
-  };
-
-  treemap.round = function(x) {
-    if (!arguments.length) return round != Number;
-    round = x ? Math.round : Number;
-    return treemap;
-  };
-
-  treemap.sticky = function(x) {
-    if (!arguments.length) return sticky;
-    sticky = x;
-    stickies = null;
-    return treemap;
-  };
-
-  treemap.ratio = function(x) {
-    if (!arguments.length) return ratio;
-    ratio = x;
-    return treemap;
-  };
-
-  return d3_layout_hierarchyRebind(treemap, hierarchy);
-};
-
-function d3_layout_treemapPadNull(node) {
-  return {x: node.x, y: node.y, dx: node.dx, dy: node.dy};
-}
-
-function d3_layout_treemapPad(node, padding) {
-  var x = node.x + padding[3],
-      y = node.y + padding[0],
-      dx = node.dx - padding[1] - padding[3],
-      dy = node.dy - padding[0] - padding[2];
-  if (dx < 0) { x += dx / 2; dx = 0; }
-  if (dy < 0) { y += dy / 2; dy = 0; }
-  return {x: x, y: y, dx: dx, dy: dy};
-}
-d3.csv = function(url, callback) {
-  d3.text(url, "text/csv", function(text) {
-    callback(text && d3.csv.parse(text));
-  });
-};
-d3.csv.parse = function(text) {
-  var header;
-  return d3.csv.parseRows(text, function(row, i) {
-    if (i) {
-      var o = {}, j = -1, m = header.length;
-      while (++j < m) o[header[j]] = row[j];
-      return o;
+  function d3_geo_clipViewT(num, denominator, t) {
+    if (Math.abs(denominator) < ε) return num <= 0;
+    var u = num / denominator;
+    if (denominator > 0) {
+      if (u > t[1]) return false;
+      if (u > t[0]) t[0] = u;
     } else {
-      header = row;
-      return null;
+      if (u < t[0]) return false;
+      if (u < t[1]) t[1] = u;
     }
+    return true;
+  }
+  function d3_geo_compose(a, b) {
+    function compose(x, y) {
+      return x = a(x, y), b(x[0], x[1]);
+    }
+    if (a.invert && b.invert) compose.invert = function(x, y) {
+      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+    };
+    return compose;
+  }
+  function d3_geo_resample(project) {
+    var δ2 = .5, maxDepth = 16;
+    function resample(stream) {
+      var λ0, x0, y0, a0, b0, c0;
+      var resample = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          stream.polygonStart();
+          resample.lineStart = polygonLineStart;
+        },
+        polygonEnd: function() {
+          stream.polygonEnd();
+          resample.lineStart = lineStart;
+        }
+      };
+      function point(x, y) {
+        x = project(x, y);
+        stream.point(x[0], x[1]);
+      }
+      function lineStart() {
+        x0 = NaN;
+        resample.point = linePoint;
+        stream.lineStart();
+      }
+      function linePoint(λ, φ) {
+        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
+        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+        stream.point(x0, y0);
+      }
+      function lineEnd() {
+        resample.point = point;
+        stream.lineEnd();
+      }
+      function polygonLineStart() {
+        var λ00, φ00, x00, y00, a00, b00, c00;
+        lineStart();
+        resample.point = function(λ, φ) {
+          linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
+          resample.point = linePoint;
+        };
+        resample.lineEnd = function() {
+          resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
+          resample.lineEnd = lineEnd;
+          lineEnd();
+        };
+      }
+      return resample;
+    }
+    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
+      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
+      if (d2 > 4 * δ2 && depth--) {
+        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = Math.abs(Math.abs(c) - 1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
+        if (dz * dz / d2 > δ2 || Math.abs((dx * dx2 + dy * dy2) / d2 - .5) > .3) {
+          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
+          stream.point(x2, y2);
+          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
+        }
+      }
+    }
+    resample.precision = function(_) {
+      if (!arguments.length) return Math.sqrt(δ2);
+      maxDepth = (δ2 = _ * _) > 0 && 16;
+      return resample;
+    };
+    return resample;
+  }
+  d3.geo.projection = d3_geo_projection;
+  d3.geo.projectionMutator = d3_geo_projectionMutator;
+  function d3_geo_projection(project) {
+    return d3_geo_projectionMutator(function() {
+      return project;
+    })();
+  }
+  function d3_geo_projectionMutator(projectAt) {
+    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
+      x = project(x, y);
+      return [ x[0] * k + δx, δy - x[1] * k ];
+    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null;
+    function projection(point) {
+      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
+      return [ point[0] * k + δx, δy - point[1] * k ];
+    }
+    function invert(point) {
+      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
+      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
+    }
+    projection.stream = function(stream) {
+      return d3_geo_projectionRadiansRotate(rotate, preclip(projectResample(postclip(stream))));
+    };
+    projection.clipAngle = function(_) {
+      if (!arguments.length) return clipAngle;
+      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
+      return projection;
+    };
+    projection.clipExtent = function(_) {
+      if (!arguments.length) return clipExtent;
+      clipExtent = _;
+      postclip = _ == null ? d3_identity : d3_geo_clipView(_[0][0], _[0][1], _[1][0], _[1][1]);
+      return projection;
+    };
+    projection.scale = function(_) {
+      if (!arguments.length) return k;
+      k = +_;
+      return reset();
+    };
+    projection.translate = function(_) {
+      if (!arguments.length) return [ x, y ];
+      x = +_[0];
+      y = +_[1];
+      return reset();
+    };
+    projection.center = function(_) {
+      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
+      λ = _[0] % 360 * d3_radians;
+      φ = _[1] % 360 * d3_radians;
+      return reset();
+    };
+    projection.rotate = function(_) {
+      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
+      δλ = _[0] % 360 * d3_radians;
+      δφ = _[1] % 360 * d3_radians;
+      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
+      return reset();
+    };
+    d3.rebind(projection, projectResample, "precision");
+    function reset() {
+      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
+      var center = project(λ, φ);
+      δx = x - center[0] * k;
+      δy = y + center[1] * k;
+      return projection;
+    }
+    return function() {
+      project = projectAt.apply(this, arguments);
+      projection.invert = project.invert && invert;
+      return reset();
+    };
+  }
+  function d3_geo_projectionRadiansRotate(rotate, stream) {
+    return {
+      point: function(x, y) {
+        y = rotate(x * d3_radians, y * d3_radians), x = y[0];
+        stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]);
+      },
+      sphere: function() {
+        stream.sphere();
+      },
+      lineStart: function() {
+        stream.lineStart();
+      },
+      lineEnd: function() {
+        stream.lineEnd();
+      },
+      polygonStart: function() {
+        stream.polygonStart();
+      },
+      polygonEnd: function() {
+        stream.polygonEnd();
+      }
+    };
+  }
+  function d3_geo_equirectangular(λ, φ) {
+    return [ λ, φ ];
+  }
+  (d3.geo.equirectangular = function() {
+    return d3_geo_projection(d3_geo_equirectangular);
+  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
+  d3.geo.rotation = function(rotate) {
+    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
+    function forward(coordinates) {
+      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+    }
+    forward.invert = function(coordinates) {
+      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+    };
+    return forward;
+  };
+  function d3_geo_rotation(δλ, δφ, δγ) {
+    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_equirectangular;
+  }
+  function d3_geo_forwardRotationλ(δλ) {
+    return function(λ, φ) {
+      return λ += δλ, [ λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : λ, φ ];
+    };
+  }
+  function d3_geo_rotationλ(δλ) {
+    var rotation = d3_geo_forwardRotationλ(δλ);
+    rotation.invert = d3_geo_forwardRotationλ(-δλ);
+    return rotation;
+  }
+  function d3_geo_rotationφγ(δφ, δγ) {
+    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
+    function rotation(λ, φ) {
+      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
+      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδγ + y * sinδγ))) ];
+    }
+    rotation.invert = function(λ, φ) {
+      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
+      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδφ - x * sinδφ))) ];
+    };
+    return rotation;
+  }
+  d3.geo.circle = function() {
+    var origin = [ 0, 0 ], angle, precision = 6, interpolate;
+    function circle() {
+      var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
+      interpolate(null, null, 1, {
+        point: function(x, y) {
+          ring.push(x = rotate(x, y));
+          x[0] *= d3_degrees, x[1] *= d3_degrees;
+        }
+      });
+      return {
+        type: "Polygon",
+        coordinates: [ ring ]
+      };
+    }
+    circle.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return circle;
+    };
+    circle.angle = function(x) {
+      if (!arguments.length) return angle;
+      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
+      return circle;
+    };
+    circle.precision = function(_) {
+      if (!arguments.length) return precision;
+      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
+      return circle;
+    };
+    return circle.angle(90);
+  };
+  function d3_geo_circleInterpolate(radius, precision) {
+    var cr = Math.cos(radius), sr = Math.sin(radius);
+    return function(from, to, direction, listener) {
+      if (from != null) {
+        from = d3_geo_circleAngle(cr, from);
+        to = d3_geo_circleAngle(cr, to);
+        if (direction > 0 ? from < to : from > to) from += direction * 2 * π;
+      } else {
+        from = radius + direction * 2 * π;
+        to = radius;
+      }
+      var point;
+      for (var step = direction * precision, t = from; direction > 0 ? t > to : t < to; t -= step) {
+        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
+      }
+    };
+  }
+  function d3_geo_circleAngle(cr, point) {
+    var a = d3_geo_cartesian(point);
+    a[0] -= cr;
+    d3_geo_cartesianNormalize(a);
+    var angle = d3_acos(-a[1]);
+    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
+  }
+  d3.geo.distance = function(a, b) {
+    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
+    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
+  };
+  d3.geo.graticule = function() {
+    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
+    function graticule() {
+      return {
+        type: "MultiLineString",
+        coordinates: lines()
+      };
+    }
+    function lines() {
+      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
+        return Math.abs(x % DX) > ε;
+      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
+        return Math.abs(y % DY) > ε;
+      }).map(y));
+    }
+    graticule.lines = function() {
+      return lines().map(function(coordinates) {
+        return {
+          type: "LineString",
+          coordinates: coordinates
+        };
+      });
+    };
+    graticule.outline = function() {
+      return {
+        type: "Polygon",
+        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
+      };
+    };
+    graticule.extent = function(_) {
+      if (!arguments.length) return graticule.minorExtent();
+      return graticule.majorExtent(_).minorExtent(_);
+    };
+    graticule.majorExtent = function(_) {
+      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
+      X0 = +_[0][0], X1 = +_[1][0];
+      Y0 = +_[0][1], Y1 = +_[1][1];
+      if (X0 > X1) _ = X0, X0 = X1, X1 = _;
+      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
+      return graticule.precision(precision);
+    };
+    graticule.minorExtent = function(_) {
+      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+      x0 = +_[0][0], x1 = +_[1][0];
+      y0 = +_[0][1], y1 = +_[1][1];
+      if (x0 > x1) _ = x0, x0 = x1, x1 = _;
+      if (y0 > y1) _ = y0, y0 = y1, y1 = _;
+      return graticule.precision(precision);
+    };
+    graticule.step = function(_) {
+      if (!arguments.length) return graticule.minorStep();
+      return graticule.majorStep(_).minorStep(_);
+    };
+    graticule.majorStep = function(_) {
+      if (!arguments.length) return [ DX, DY ];
+      DX = +_[0], DY = +_[1];
+      return graticule;
+    };
+    graticule.minorStep = function(_) {
+      if (!arguments.length) return [ dx, dy ];
+      dx = +_[0], dy = +_[1];
+      return graticule;
+    };
+    graticule.precision = function(_) {
+      if (!arguments.length) return precision;
+      precision = +_;
+      x = d3_geo_graticuleX(y0, y1, 90);
+      y = d3_geo_graticuleY(x0, x1, precision);
+      X = d3_geo_graticuleX(Y0, Y1, 90);
+      Y = d3_geo_graticuleY(X0, X1, precision);
+      return graticule;
+    };
+    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
+  };
+  function d3_geo_graticuleX(y0, y1, dy) {
+    var y = d3.range(y0, y1 - ε, dy).concat(y1);
+    return function(x) {
+      return y.map(function(y) {
+        return [ x, y ];
+      });
+    };
+  }
+  function d3_geo_graticuleY(x0, x1, dx) {
+    var x = d3.range(x0, x1 - ε, dx).concat(x1);
+    return function(y) {
+      return x.map(function(x) {
+        return [ x, y ];
+      });
+    };
+  }
+  function d3_source(d) {
+    return d.source;
+  }
+  function d3_target(d) {
+    return d.target;
+  }
+  d3.geo.greatArc = function() {
+    var source = d3_source, source_, target = d3_target, target_;
+    function greatArc() {
+      return {
+        type: "LineString",
+        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
+      };
+    }
+    greatArc.distance = function() {
+      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
+    };
+    greatArc.source = function(_) {
+      if (!arguments.length) return source;
+      source = _, source_ = typeof _ === "function" ? null : _;
+      return greatArc;
+    };
+    greatArc.target = function(_) {
+      if (!arguments.length) return target;
+      target = _, target_ = typeof _ === "function" ? null : _;
+      return greatArc;
+    };
+    greatArc.precision = function() {
+      return arguments.length ? greatArc : 0;
+    };
+    return greatArc;
+  };
+  d3.geo.interpolate = function(source, target) {
+    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
+  };
+  function d3_geo_interpolate(x0, y0, x1, y1) {
+    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
+    var interpolate = d ? function(t) {
+      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
+    } : function() {
+      return [ x0 * d3_degrees, y0 * d3_degrees ];
+    };
+    interpolate.distance = d;
+    return interpolate;
+  }
+  d3.geo.length = function(object) {
+    d3_geo_lengthSum = 0;
+    d3.geo.stream(object, d3_geo_length);
+    return d3_geo_lengthSum;
+  };
+  var d3_geo_lengthSum;
+  var d3_geo_length = {
+    sphere: d3_noop,
+    point: d3_noop,
+    lineStart: d3_geo_lengthLineStart,
+    lineEnd: d3_noop,
+    polygonStart: d3_noop,
+    polygonEnd: d3_noop
+  };
+  function d3_geo_lengthLineStart() {
+    var λ0, sinφ0, cosφ0;
+    d3_geo_length.point = function(λ, φ) {
+      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
+      d3_geo_length.point = nextPoint;
+    };
+    d3_geo_length.lineEnd = function() {
+      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
+    };
+    function nextPoint(λ, φ) {
+      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = Math.abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
+      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
+      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
+    }
+  }
+  function d3_geo_conic(projectAt) {
+    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
+    p.parallels = function(_) {
+      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
+      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
+    };
+    return p;
+  }
+  function d3_geo_conicEqualArea(φ0, φ1) {
+    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
+    function forward(λ, φ) {
+      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
+      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = ρ0 - y;
+      return [ Math.atan2(x, ρ0_y) / n, Math.asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
+    };
+    return forward;
+  }
+  (d3.geo.conicEqualArea = function() {
+    return d3_geo_conic(d3_geo_conicEqualArea);
+  }).raw = d3_geo_conicEqualArea;
+  d3.geo.albersUsa = function() {
+    var lower48 = d3.geo.conicEqualArea().rotate([ 98, 0 ]).center([ 0, 38 ]).parallels([ 29.5, 45.5 ]);
+    var alaska = d3.geo.conicEqualArea().rotate([ 160, 0 ]).center([ 0, 60 ]).parallels([ 55, 65 ]);
+    var hawaii = d3.geo.conicEqualArea().rotate([ 160, 0 ]).center([ 0, 20 ]).parallels([ 8, 18 ]);
+    var puertoRico = d3.geo.conicEqualArea().rotate([ 60, 0 ]).center([ 0, 10 ]).parallels([ 8, 18 ]);
+    var alaskaInvert, hawaiiInvert, puertoRicoInvert;
+    function albersUsa(coordinates) {
+      return projection(coordinates)(coordinates);
+    }
+    function projection(point) {
+      var lon = point[0], lat = point[1];
+      return lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48;
+    }
+    albersUsa.invert = function(coordinates) {
+      return alaskaInvert(coordinates) || hawaiiInvert(coordinates) || puertoRicoInvert(coordinates) || lower48.invert(coordinates);
+    };
+    albersUsa.scale = function(x) {
+      if (!arguments.length) return lower48.scale();
+      lower48.scale(x);
+      alaska.scale(x * .6);
+      hawaii.scale(x);
+      puertoRico.scale(x * 1.5);
+      return albersUsa.translate(lower48.translate());
+    };
+    albersUsa.translate = function(x) {
+      if (!arguments.length) return lower48.translate();
+      var dz = lower48.scale(), dx = x[0], dy = x[1];
+      lower48.translate(x);
+      alaska.translate([ dx - .4 * dz, dy + .17 * dz ]);
+      hawaii.translate([ dx - .19 * dz, dy + .2 * dz ]);
+      puertoRico.translate([ dx + .58 * dz, dy + .43 * dz ]);
+      alaskaInvert = d3_geo_albersUsaInvert(alaska, [ [ -180, 50 ], [ -130, 72 ] ]);
+      hawaiiInvert = d3_geo_albersUsaInvert(hawaii, [ [ -164, 18 ], [ -154, 24 ] ]);
+      puertoRicoInvert = d3_geo_albersUsaInvert(puertoRico, [ [ -67.5, 17.5 ], [ -65, 19 ] ]);
+      return albersUsa;
+    };
+    return albersUsa.scale(1e3);
+  };
+  function d3_geo_albersUsaInvert(projection, extent) {
+    var a = projection(extent[0]), b = projection([ .5 * (extent[0][0] + extent[1][0]), extent[0][1] ]), c = projection([ extent[1][0], extent[0][1] ]), d = projection(extent[1]);
+    var dya = b[1] - a[1], dxa = b[0] - a[0], dyb = c[1] - b[1], dxb = c[0] - b[0];
+    var ma = dya / dxa, mb = dyb / dxb;
+    var cx = .5 * (ma * mb * (a[1] - c[1]) + mb * (a[0] + b[0]) - ma * (b[0] + c[0])) / (mb - ma), cy = (.5 * (a[0] + b[0]) - cx) / ma + .5 * (a[1] + b[1]);
+    var dx0 = d[0] - cx, dy0 = d[1] - cy, dx1 = a[0] - cx, dy1 = a[1] - cy, r0 = dx0 * dx0 + dy0 * dy0, r1 = dx1 * dx1 + dy1 * dy1;
+    var a0 = Math.atan2(dy0, dx0), a1 = Math.atan2(dy1, dx1);
+    return function(coordinates) {
+      var dx = coordinates[0] - cx, dy = coordinates[1] - cy, r = dx * dx + dy * dy, a = Math.atan2(dy, dx);
+      if (r0 < r && r < r1 && a0 < a && a < a1) return projection.invert(coordinates);
+    };
+  }
+  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
+    point: d3_noop,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: function() {
+      d3_geo_pathAreaPolygon = 0;
+      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
+      d3_geo_pathAreaSum += Math.abs(d3_geo_pathAreaPolygon / 2);
+    }
+  };
+  function d3_geo_pathAreaRingStart() {
+    var x00, y00, x0, y0;
+    d3_geo_pathArea.point = function(x, y) {
+      d3_geo_pathArea.point = nextPoint;
+      x00 = x0 = x, y00 = y0 = y;
+    };
+    function nextPoint(x, y) {
+      d3_geo_pathAreaPolygon += y0 * x - x0 * y;
+      x0 = x, y0 = y;
+    }
+    d3_geo_pathArea.lineEnd = function() {
+      nextPoint(x00, y00);
+    };
+  }
+  function d3_geo_pathBuffer() {
+    var pointCircle = d3_geo_pathCircle(4.5), buffer = [];
+    var stream = {
+      point: point,
+      lineStart: function() {
+        stream.point = pointLineStart;
+      },
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        stream.lineEnd = lineEndPolygon;
+      },
+      polygonEnd: function() {
+        stream.lineEnd = lineEnd;
+        stream.point = point;
+      },
+      pointRadius: function(_) {
+        pointCircle = d3_geo_pathCircle(_);
+        return stream;
+      },
+      result: function() {
+        if (buffer.length) {
+          var result = buffer.join("");
+          buffer = [];
+          return result;
+        }
+      }
+    };
+    function point(x, y) {
+      buffer.push("M", x, ",", y, pointCircle);
+    }
+    function pointLineStart(x, y) {
+      buffer.push("M", x, ",", y);
+      stream.point = pointLine;
+    }
+    function pointLine(x, y) {
+      buffer.push("L", x, ",", y);
+    }
+    function lineEnd() {
+      stream.point = point;
+    }
+    function lineEndPolygon() {
+      buffer.push("Z");
+    }
+    return stream;
+  }
+  var d3_geo_pathCentroid = {
+    point: d3_geo_pathCentroidPoint,
+    lineStart: d3_geo_pathCentroidLineStart,
+    lineEnd: d3_geo_pathCentroidLineEnd,
+    polygonStart: function() {
+      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
+      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
+    }
+  };
+  function d3_geo_pathCentroidPoint(x, y) {
+    if (d3_geo_centroidDimension) return;
+    d3_geo_centroidX += x;
+    d3_geo_centroidY += y;
+    ++d3_geo_centroidZ;
+  }
+  function d3_geo_pathCentroidLineStart() {
+    var x0, y0;
+    if (d3_geo_centroidDimension !== 1) {
+      if (d3_geo_centroidDimension < 1) {
+        d3_geo_centroidDimension = 1;
+        d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      } else return;
+    }
+    d3_geo_pathCentroid.point = function(x, y) {
+      d3_geo_pathCentroid.point = nextPoint;
+      x0 = x, y0 = y;
+    };
+    function nextPoint(x, y) {
+      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+      d3_geo_centroidX += z * (x0 + x) / 2;
+      d3_geo_centroidY += z * (y0 + y) / 2;
+      d3_geo_centroidZ += z;
+      x0 = x, y0 = y;
+    }
+  }
+  function d3_geo_pathCentroidLineEnd() {
+    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+  }
+  function d3_geo_pathCentroidRingStart() {
+    var x00, y00, x0, y0;
+    if (d3_geo_centroidDimension < 2) {
+      d3_geo_centroidDimension = 2;
+      d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+    }
+    d3_geo_pathCentroid.point = function(x, y) {
+      d3_geo_pathCentroid.point = nextPoint;
+      x00 = x0 = x, y00 = y0 = y;
+    };
+    function nextPoint(x, y) {
+      var z = y0 * x - x0 * y;
+      d3_geo_centroidX += z * (x0 + x);
+      d3_geo_centroidY += z * (y0 + y);
+      d3_geo_centroidZ += z * 3;
+      x0 = x, y0 = y;
+    }
+    d3_geo_pathCentroid.lineEnd = function() {
+      nextPoint(x00, y00);
+    };
+  }
+  function d3_geo_pathContext(context) {
+    var pointRadius = 4.5;
+    var stream = {
+      point: point,
+      lineStart: function() {
+        stream.point = pointLineStart;
+      },
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        stream.lineEnd = lineEndPolygon;
+      },
+      polygonEnd: function() {
+        stream.lineEnd = lineEnd;
+        stream.point = point;
+      },
+      pointRadius: function(_) {
+        pointRadius = _;
+        return stream;
+      },
+      result: d3_noop
+    };
+    function point(x, y) {
+      context.moveTo(x, y);
+      context.arc(x, y, pointRadius, 0, 2 * π);
+    }
+    function pointLineStart(x, y) {
+      context.moveTo(x, y);
+      stream.point = pointLine;
+    }
+    function pointLine(x, y) {
+      context.lineTo(x, y);
+    }
+    function lineEnd() {
+      stream.point = point;
+    }
+    function lineEndPolygon() {
+      context.closePath();
+    }
+    return stream;
+  }
+  d3.geo.path = function() {
+    var pointRadius = 4.5, projection, context, projectStream, contextStream;
+    function path(object) {
+      if (object) d3.geo.stream(object, projectStream(contextStream.pointRadius(typeof pointRadius === "function" ? +pointRadius.apply(this, arguments) : pointRadius)));
+      return contextStream.result();
+    }
+    path.area = function(object) {
+      d3_geo_pathAreaSum = 0;
+      d3.geo.stream(object, projectStream(d3_geo_pathArea));
+      return d3_geo_pathAreaSum;
+    };
+    path.centroid = function(object) {
+      d3_geo_centroidDimension = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
+      return d3_geo_centroidZ ? [ d3_geo_centroidX / d3_geo_centroidZ, d3_geo_centroidY / d3_geo_centroidZ ] : undefined;
+    };
+    path.bounds = function(object) {
+      return d3_geo_bounds(projectStream)(object);
+    };
+    path.projection = function(_) {
+      if (!arguments.length) return projection;
+      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
+      return path;
+    };
+    path.context = function(_) {
+      if (!arguments.length) return context;
+      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
+      return path;
+    };
+    path.pointRadius = function(_) {
+      if (!arguments.length) return pointRadius;
+      pointRadius = typeof _ === "function" ? _ : +_;
+      return path;
+    };
+    return path.projection(d3.geo.albersUsa()).context(null);
+  };
+  function d3_geo_pathCircle(radius) {
+    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z";
+  }
+  function d3_geo_pathProjectStream(project) {
+    var resample = d3_geo_resample(function(λ, φ) {
+      return project([ λ * d3_degrees, φ * d3_degrees ]);
+    });
+    return function(stream) {
+      stream = resample(stream);
+      return {
+        point: function(λ, φ) {
+          stream.point(λ * d3_radians, φ * d3_radians);
+        },
+        sphere: function() {
+          stream.sphere();
+        },
+        lineStart: function() {
+          stream.lineStart();
+        },
+        lineEnd: function() {
+          stream.lineEnd();
+        },
+        polygonStart: function() {
+          stream.polygonStart();
+        },
+        polygonEnd: function() {
+          stream.polygonEnd();
+        }
+      };
+    };
+  }
+  d3.geo.albers = function() {
+    return d3.geo.conicEqualArea().parallels([ 29.5, 45.5 ]).rotate([ 98, 0 ]).center([ 0, 38 ]).scale(1e3);
+  };
+  function d3_geo_azimuthal(scale, angle) {
+    function azimuthal(λ, φ) {
+      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
+      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
+    }
+    azimuthal.invert = function(x, y) {
+      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
+      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
+    };
+    return azimuthal;
+  }
+  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
+    return Math.sqrt(2 / (1 + cosλcosφ));
+  }, function(ρ) {
+    return 2 * Math.asin(ρ / 2);
   });
-};
-
-d3.csv.parseRows = function(text, f) {
-  var EOL = {}, // sentinel value for end-of-line
-      EOF = {}, // sentinel value for end-of-file
-      rows = [], // output rows
-      re = /\r\n|[,\r\n]/g, // field separator regex
-      n = 0, // the current line number
-      t, // the current token
-      eol; // is the current token followed by EOL?
-
-  re.lastIndex = 0; // work-around bug in FF 3.6
-
-  /** @private Returns the next token. */
-  function token() {
-    if (re.lastIndex >= text.length) return EOF; // special case: end of file
-    if (eol) { eol = false; return EOL; } // special case: end of line
-
-    // special case: quotes
-    var j = re.lastIndex;
-    if (text.charCodeAt(j) === 34) {
-      var i = j;
-      while (i++ < text.length) {
-        if (text.charCodeAt(i) === 34) {
-          if (text.charCodeAt(i + 1) !== 34) break;
+  (d3.geo.azimuthalEqualArea = function() {
+    return d3_geo_projection(d3_geo_azimuthalEqualArea);
+  }).raw = d3_geo_azimuthalEqualArea;
+  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
+    var c = Math.acos(cosλcosφ);
+    return c && c / Math.sin(c);
+  }, d3_identity);
+  (d3.geo.azimuthalEquidistant = function() {
+    return d3_geo_projection(d3_geo_azimuthalEquidistant);
+  }).raw = d3_geo_azimuthalEquidistant;
+  function d3_geo_conicConformal(φ0, φ1) {
+    var cosφ0 = Math.cos(φ0), t = function(φ) {
+      return Math.tan(π / 4 + φ / 2);
+    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
+    if (!n) return d3_geo_mercator;
+    function forward(λ, φ) {
+      var ρ = Math.abs(Math.abs(φ) - π / 2) < ε ? 0 : F / Math.pow(t(φ), n);
+      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
+      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - π / 2 ];
+    };
+    return forward;
+  }
+  (d3.geo.conicConformal = function() {
+    return d3_geo_conic(d3_geo_conicConformal);
+  }).raw = d3_geo_conicConformal;
+  function d3_geo_conicEquidistant(φ0, φ1) {
+    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
+    if (Math.abs(n) < ε) return d3_geo_equirectangular;
+    function forward(λ, φ) {
+      var ρ = G - φ;
+      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = G - y;
+      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
+    };
+    return forward;
+  }
+  (d3.geo.conicEquidistant = function() {
+    return d3_geo_conic(d3_geo_conicEquidistant);
+  }).raw = d3_geo_conicEquidistant;
+  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
+    return 1 / cosλcosφ;
+  }, Math.atan);
+  (d3.geo.gnomonic = function() {
+    return d3_geo_projection(d3_geo_gnomonic);
+  }).raw = d3_geo_gnomonic;
+  function d3_geo_mercator(λ, φ) {
+    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
+  }
+  d3_geo_mercator.invert = function(x, y) {
+    return [ x, 2 * Math.atan(Math.exp(y)) - π / 2 ];
+  };
+  function d3_geo_mercatorProjection(project) {
+    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
+    m.scale = function() {
+      var v = scale.apply(m, arguments);
+      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+    };
+    m.translate = function() {
+      var v = translate.apply(m, arguments);
+      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+    };
+    m.clipExtent = function(_) {
+      var v = clipExtent.apply(m, arguments);
+      if (v === m) {
+        if (clipAuto = _ == null) {
+          var k = π * scale(), t = translate();
+          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
+        }
+      } else if (clipAuto) {
+        v = null;
+      }
+      return v;
+    };
+    return m.clipExtent(null);
+  }
+  (d3.geo.mercator = function() {
+    return d3_geo_mercatorProjection(d3_geo_mercator);
+  }).raw = d3_geo_mercator;
+  var d3_geo_orthographic = d3_geo_azimuthal(function() {
+    return 1;
+  }, Math.asin);
+  (d3.geo.orthographic = function() {
+    return d3_geo_projection(d3_geo_orthographic);
+  }).raw = d3_geo_orthographic;
+  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
+    return 1 / (1 + cosλcosφ);
+  }, function(ρ) {
+    return 2 * Math.atan(ρ);
+  });
+  (d3.geo.stereographic = function() {
+    return d3_geo_projection(d3_geo_stereographic);
+  }).raw = d3_geo_stereographic;
+  function d3_geo_transverseMercator(λ, φ) {
+    var B = Math.cos(φ) * Math.sin(λ);
+    return [ Math.log((1 + B) / (1 - B)) / 2, Math.atan2(Math.tan(φ), Math.cos(λ)) ];
+  }
+  d3_geo_transverseMercator.invert = function(x, y) {
+    return [ Math.atan2(d3_sinh(x), Math.cos(y)), d3_asin(Math.sin(y) / d3_cosh(x)) ];
+  };
+  (d3.geo.transverseMercator = function() {
+    return d3_geo_mercatorProjection(d3_geo_transverseMercator);
+  }).raw = d3_geo_transverseMercator;
+  d3.geom = {};
+  d3.svg = {};
+  function d3_svg_line(projection) {
+    var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+    function line(data) {
+      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+      function segment() {
+        segments.push("M", interpolate(projection(points), tension));
+      }
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+        } else if (points.length) {
+          segment();
+          points = [];
+        }
+      }
+      if (points.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    line.x = function(_) {
+      if (!arguments.length) return x;
+      x = _;
+      return line;
+    };
+    line.y = function(_) {
+      if (!arguments.length) return y;
+      y = _;
+      return line;
+    };
+    line.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return line;
+    };
+    line.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      return line;
+    };
+    line.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return line;
+    };
+    return line;
+  }
+  d3.svg.line = function() {
+    return d3_svg_line(d3_identity);
+  };
+  function d3_svg_lineX(d) {
+    return d[0];
+  }
+  function d3_svg_lineY(d) {
+    return d[1];
+  }
+  var d3_svg_lineInterpolators = d3.map({
+    linear: d3_svg_lineLinear,
+    "linear-closed": d3_svg_lineLinearClosed,
+    "step-before": d3_svg_lineStepBefore,
+    "step-after": d3_svg_lineStepAfter,
+    basis: d3_svg_lineBasis,
+    "basis-open": d3_svg_lineBasisOpen,
+    "basis-closed": d3_svg_lineBasisClosed,
+    bundle: d3_svg_lineBundle,
+    cardinal: d3_svg_lineCardinal,
+    "cardinal-open": d3_svg_lineCardinalOpen,
+    "cardinal-closed": d3_svg_lineCardinalClosed,
+    monotone: d3_svg_lineMonotone
+  });
+  d3_svg_lineInterpolators.forEach(function(key, value) {
+    value.key = key;
+    value.closed = /-closed$/.test(key);
+  });
+  function d3_svg_lineLinear(points) {
+    return points.join("L");
+  }
+  function d3_svg_lineLinearClosed(points) {
+    return d3_svg_lineLinear(points) + "Z";
+  }
+  function d3_svg_lineStepBefore(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+    return path.join("");
+  }
+  function d3_svg_lineStepAfter(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+    return path.join("");
+  }
+  function d3_svg_lineCardinalOpen(points, tension) {
+    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineCardinalClosed(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
+    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+  }
+  function d3_svg_lineCardinal(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineHermite(points, tangents) {
+    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+      return d3_svg_lineLinear(points);
+    }
+    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+    if (quad) {
+      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+      p0 = points[1];
+      pi = 2;
+    }
+    if (tangents.length > 1) {
+      t = tangents[1];
+      p = points[pi];
+      pi++;
+      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      for (var i = 2; i < tangents.length; i++, pi++) {
+        p = points[pi];
+        t = tangents[i];
+        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      }
+    }
+    if (quad) {
+      var lp = points[pi];
+      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+    }
+    return path;
+  }
+  function d3_svg_lineCardinalTangents(points, tension) {
+    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+    while (++i < n) {
+      p0 = p1;
+      p1 = p2;
+      p2 = points[i];
+      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineBasis(points) {
+    if (points.length < 3) return d3_svg_lineLinear(points);
+    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0 ];
+    d3_svg_lineBasisBezier(path, px, py);
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    i = -1;
+    while (++i < 2) {
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisOpen(points) {
+    if (points.length < 4) return d3_svg_lineLinear(points);
+    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+    while (++i < 3) {
+      pi = points[i];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+    --i;
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisClosed(points) {
+    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+    while (++i < 4) {
+      pi = points[i % n];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+    --i;
+    while (++i < m) {
+      pi = points[i % n];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBundle(points, tension) {
+    var n = points.length - 1;
+    if (n) {
+      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+      while (++i <= n) {
+        p = points[i];
+        t = i / n;
+        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+      }
+    }
+    return d3_svg_lineBasis(points);
+  }
+  function d3_svg_lineDot4(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+  }
+  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
+  function d3_svg_lineBasisBezier(path, x, y) {
+    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
+  }
+  function d3_svg_lineSlope(p0, p1) {
+    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+  }
+  function d3_svg_lineFiniteDifferences(points) {
+    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+    while (++i < j) {
+      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+    }
+    m[i] = d;
+    return m;
+  }
+  function d3_svg_lineMonotoneTangents(points) {
+    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+    while (++i < j) {
+      d = d3_svg_lineSlope(points[i], points[i + 1]);
+      if (Math.abs(d) < 1e-6) {
+        m[i] = m[i + 1] = 0;
+      } else {
+        a = m[i] / d;
+        b = m[i + 1] / d;
+        s = a * a + b * b;
+        if (s > 9) {
+          s = d * 3 / Math.sqrt(s);
+          m[i] = s * a;
+          m[i + 1] = s * b;
+        }
+      }
+    }
+    i = -1;
+    while (++i <= j) {
+      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+      tangents.push([ s || 0, m[i] * s || 0 ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineMonotone(points) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+  }
+  d3.geom.hull = function(vertices) {
+    var x = d3_svg_lineX, y = d3_svg_lineY;
+    if (arguments.length) return hull(vertices);
+    function hull(data) {
+      if (data.length < 3) return [];
+      var fx = d3_functor(x), fy = d3_functor(y), n = data.length, vertices, plen = n - 1, points = [], stack = [], d, i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
+      if (fx === d3_svg_lineX && y === d3_svg_lineY) vertices = data; else for (i = 0, 
+      vertices = []; i < n; ++i) {
+        vertices.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
+      }
+      for (i = 1; i < n; ++i) {
+        if (vertices[i][1] < vertices[h][1]) {
+          h = i;
+        } else if (vertices[i][1] == vertices[h][1]) {
+          h = vertices[i][0] < vertices[h][0] ? i : h;
+        }
+      }
+      for (i = 0; i < n; ++i) {
+        if (i === h) continue;
+        y1 = vertices[i][1] - vertices[h][1];
+        x1 = vertices[i][0] - vertices[h][0];
+        points.push({
+          angle: Math.atan2(y1, x1),
+          index: i
+        });
+      }
+      points.sort(function(a, b) {
+        return a.angle - b.angle;
+      });
+      a = points[0].angle;
+      v = points[0].index;
+      u = 0;
+      for (i = 1; i < plen; ++i) {
+        j = points[i].index;
+        if (a == points[i].angle) {
+          x1 = vertices[v][0] - vertices[h][0];
+          y1 = vertices[v][1] - vertices[h][1];
+          x2 = vertices[j][0] - vertices[h][0];
+          y2 = vertices[j][1] - vertices[h][1];
+          if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
+            points[i].index = -1;
+          } else {
+            points[u].index = -1;
+            a = points[i].angle;
+            u = i;
+            v = j;
+          }
+        } else {
+          a = points[i].angle;
+          u = i;
+          v = j;
+        }
+      }
+      stack.push(h);
+      for (i = 0, j = 0; i < 2; ++j) {
+        if (points[j].index !== -1) {
+          stack.push(points[j].index);
           i++;
         }
       }
-      re.lastIndex = i + 2;
-      var c = text.charCodeAt(i + 1);
-      if (c === 13) {
-        eol = true;
-        if (text.charCodeAt(i + 2) === 10) re.lastIndex++;
-      } else if (c === 10) {
-        eol = true;
-      }
-      return text.substring(j + 1, i).replace(/""/g, "\"");
-    }
-
-    // common case
-    var m = re.exec(text);
-    if (m) {
-      eol = m[0].charCodeAt(0) !== 44;
-      return text.substring(j, m.index);
-    }
-    re.lastIndex = text.length;
-    return text.substring(j);
-  }
-
-  while ((t = token()) !== EOF) {
-    var a = [];
-    while ((t !== EOL) && (t !== EOF)) {
-      a.push(t);
-      t = token();
-    }
-    if (f && !(a = f(a, n++))) continue;
-    rows.push(a);
-  }
-
-  return rows;
-};
-d3.csv.format = function(rows) {
-  return rows.map(d3_csv_formatRow).join("\n");
-};
-
-function d3_csv_formatRow(row) {
-  return row.map(d3_csv_formatValue).join(",");
-}
-
-function d3_csv_formatValue(text) {
-  return /[",\n]/.test(text)
-      ? "\"" + text.replace(/\"/g, "\"\"") + "\""
-      : text;
-}
-d3.geo = {};
-
-var d3_geo_radians = Math.PI / 180;
-// TODO clip input coordinates on opposite hemisphere
-d3.geo.azimuthal = function() {
-  var mode = "orthographic", // or stereographic, gnomonic, equidistant or equalarea
-      origin,
-      scale = 200,
-      translate = [480, 250],
-      x0,
-      y0,
-      cy0,
-      sy0;
-
-  function azimuthal(coordinates) {
-    var x1 = coordinates[0] * d3_geo_radians - x0,
-        y1 = coordinates[1] * d3_geo_radians,
-        cx1 = Math.cos(x1),
-        sx1 = Math.sin(x1),
-        cy1 = Math.cos(y1),
-        sy1 = Math.sin(y1),
-        cc = mode !== "orthographic" ? sy0 * sy1 + cy0 * cy1 * cx1 : null,
-        c,
-        k = mode === "stereographic" ? 1 / (1 + cc)
-          : mode === "gnomonic" ? 1 / cc
-          : mode === "equidistant" ? (c = Math.acos(cc), c ? c / Math.sin(c) : 0)
-          : mode === "equalarea" ? Math.sqrt(2 / (1 + cc))
-          : 1,
-        x = k * cy1 * sx1,
-        y = k * (sy0 * cy1 * cx1 - cy0 * sy1);
-    return [
-      scale * x + translate[0],
-      scale * y + translate[1]
-    ];
-  }
-
-  azimuthal.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale,
-        p = Math.sqrt(x * x + y * y),
-        c = mode === "stereographic" ? 2 * Math.atan(p)
-          : mode === "gnomonic" ? Math.atan(p)
-          : mode === "equidistant" ? p
-          : mode === "equalarea" ? 2 * Math.asin(.5 * p)
-          : Math.asin(p),
-        sc = Math.sin(c),
-        cc = Math.cos(c);
-    return [
-      (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_geo_radians,
-      Math.asin(cc * sy0 - (p ? (y * sc * cy0) / p : 0)) / d3_geo_radians
-    ];
-  };
-
-  azimuthal.mode = function(x) {
-    if (!arguments.length) return mode;
-    mode = x + "";
-    return azimuthal;
-  };
-
-  azimuthal.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = x;
-    x0 = origin[0] * d3_geo_radians;
-    y0 = origin[1] * d3_geo_radians;
-    cy0 = Math.cos(y0);
-    sy0 = Math.sin(y0);
-    return azimuthal;
-  };
-
-  azimuthal.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return azimuthal;
-  };
-
-  azimuthal.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return azimuthal;
-  };
-
-  return azimuthal.origin([0, 0]);
-};
-// Derived from Tom Carden's Albers implementation for Protovis.
-// http://gist.github.com/476238
-// http://mathworld.wolfram.com/AlbersEqual-AreaConicProjection.html
-
-d3.geo.albers = function() {
-  var origin = [-98, 38],
-      parallels = [29.5, 45.5],
-      scale = 1000,
-      translate = [480, 250],
-      lng0, // d3_geo_radians * origin[0]
-      n,
-      C,
-      p0;
-
-  function albers(coordinates) {
-    var t = n * (d3_geo_radians * coordinates[0] - lng0),
-        p = Math.sqrt(C - 2 * n * Math.sin(d3_geo_radians * coordinates[1])) / n;
-    return [
-      scale * p * Math.sin(t) + translate[0],
-      scale * (p * Math.cos(t) - p0) + translate[1]
-    ];
-  }
-
-  albers.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale,
-        p0y = p0 + y,
-        t = Math.atan2(x, p0y),
-        p = Math.sqrt(x * x + p0y * p0y);
-    return [
-      (lng0 + t / n) / d3_geo_radians,
-      Math.asin((C - p * p * n * n) / (2 * n)) / d3_geo_radians
-    ];
-  };
-
-  function reload() {
-    var phi1 = d3_geo_radians * parallels[0],
-        phi2 = d3_geo_radians * parallels[1],
-        lat0 = d3_geo_radians * origin[1],
-        s = Math.sin(phi1),
-        c = Math.cos(phi1);
-    lng0 = d3_geo_radians * origin[0];
-    n = .5 * (s + Math.sin(phi2));
-    C = c * c + 2 * n * s;
-    p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n;
-    return albers;
-  }
-
-  albers.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = [+x[0], +x[1]];
-    return reload();
-  };
-
-  albers.parallels = function(x) {
-    if (!arguments.length) return parallels;
-    parallels = [+x[0], +x[1]];
-    return reload();
-  };
-
-  albers.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return albers;
-  };
-
-  albers.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return albers;
-  };
-
-  return reload();
-};
-
-// A composite projection for the United States, 960x500. The set of standard
-// parallels for each region comes from USGS, which is published here:
-// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers
-// TODO allow the composite projection to be rescaled?
-d3.geo.albersUsa = function() {
-  var lower48 = d3.geo.albers();
-
-  var alaska = d3.geo.albers()
-      .origin([-160, 60])
-      .parallels([55, 65]);
-
-  var hawaii = d3.geo.albers()
-      .origin([-160, 20])
-      .parallels([8, 18]);
-
-  var puertoRico = d3.geo.albers()
-      .origin([-60, 10])
-      .parallels([8, 18]);
-
-  function albersUsa(coordinates) {
-    var lon = coordinates[0],
-        lat = coordinates[1];
-    return (lat > 50 ? alaska
-        : lon < -140 ? hawaii
-        : lat < 21 ? puertoRico
-        : lower48)(coordinates);
-  }
-
-  albersUsa.scale = function(x) {
-    if (!arguments.length) return lower48.scale();
-    lower48.scale(x);
-    alaska.scale(x * .6);
-    hawaii.scale(x);
-    puertoRico.scale(x * 1.5);
-    return albersUsa.translate(lower48.translate());
-  };
-
-  albersUsa.translate = function(x) {
-    if (!arguments.length) return lower48.translate();
-    var dz = lower48.scale() / 1000,
-        dx = x[0],
-        dy = x[1];
-    lower48.translate(x);
-    alaska.translate([dx - 400 * dz, dy + 170 * dz]);
-    hawaii.translate([dx - 190 * dz, dy + 200 * dz]);
-    puertoRico.translate([dx + 580 * dz, dy + 430 * dz]);
-    return albersUsa;
-  };
-
-  return albersUsa.scale(lower48.scale());
-};
-d3.geo.bonne = function() {
-  var scale = 200,
-      translate = [480, 250],
-      x0, // origin longitude in radians
-      y0, // origin latitude in radians
-      y1, // parallel latitude in radians
-      c1; // cot(y1)
-
-  function bonne(coordinates) {
-    var x = coordinates[0] * d3_geo_radians - x0,
-        y = coordinates[1] * d3_geo_radians - y0;
-    if (y1) {
-      var p = c1 + y1 - y, E = x * Math.cos(y) / p;
-      x = p * Math.sin(E);
-      y = p * Math.cos(E) - c1;
-    } else {
-      x *= Math.cos(y);
-      y *= -1;
-    }
-    return [
-      scale * x + translate[0],
-      scale * y + translate[1]
-    ];
-  }
-
-  bonne.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale;
-    if (y1) {
-      var c = c1 + y, p = Math.sqrt(x * x + c * c);
-      y = c1 + y1 - p;
-      x = x0 + p * Math.atan2(x, c) / Math.cos(y);
-    } else {
-      y *= -1;
-      x /= Math.cos(y);
-    }
-    return [
-      x / d3_geo_radians,
-      y / d3_geo_radians
-    ];
-  };
-
-  // 90° for Werner, 0° for Sinusoidal
-  bonne.parallel = function(x) {
-    if (!arguments.length) return y1 / d3_geo_radians;
-    c1 = 1 / Math.tan(y1 = x * d3_geo_radians);
-    return bonne;
-  };
-
-  bonne.origin = function(x) {
-    if (!arguments.length) return [x0 / d3_geo_radians, y0 / d3_geo_radians];
-    x0 = x[0] * d3_geo_radians;
-    y0 = x[1] * d3_geo_radians;
-    return bonne;
-  };
-
-  bonne.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return bonne;
-  };
-
-  bonne.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return bonne;
-  };
-
-  return bonne.origin([0, 0]).parallel(45);
-};
-d3.geo.equirectangular = function() {
-  var scale = 500,
-      translate = [480, 250];
-
-  function equirectangular(coordinates) {
-    var x = coordinates[0] / 360,
-        y = -coordinates[1] / 360;
-    return [
-      scale * x + translate[0],
-      scale * y + translate[1]
-    ];
-  }
-
-  equirectangular.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale;
-    return [
-      360 * x,
-      -360 * y
-    ];
-  };
-
-  equirectangular.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return equirectangular;
-  };
-
-  equirectangular.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return equirectangular;
-  };
-
-  return equirectangular;
-};
-d3.geo.mercator = function() {
-  var scale = 500,
-      translate = [480, 250];
-
-  function mercator(coordinates) {
-    var x = coordinates[0] / 360,
-        y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_geo_radians / 2)) / d3_geo_radians) / 360;
-    return [
-      scale * x + translate[0],
-      scale * Math.max(-.5, Math.min(.5, y)) + translate[1]
-    ];
-  }
-
-  mercator.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale;
-    return [
-      360 * x,
-      2 * Math.atan(Math.exp(-360 * y * d3_geo_radians)) / d3_geo_radians - 90
-    ];
-  };
-
-  mercator.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return mercator;
-  };
-
-  mercator.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return mercator;
-  };
-
-  return mercator;
-};
-function d3_geo_type(types, defaultValue) {
-  return function(object) {
-    return object && types.hasOwnProperty(object.type) ? types[object.type](object) : defaultValue;
-  };
-}
-/**
- * Returns a function that, given a GeoJSON object (e.g., a feature), returns
- * the corresponding SVG path. The function can be customized by overriding the
- * projection. Point features are mapped to circles with a default radius of
- * 4.5px; the radius can be specified either as a constant or a function that
- * is evaluated per object.
- */
-d3.geo.path = function() {
-  var pointRadius = 4.5,
-      pointCircle = d3_path_circle(pointRadius),
-      projection = d3.geo.albersUsa();
-
-  function path(d, i) {
-    if (typeof pointRadius === "function") {
-      pointCircle = d3_path_circle(pointRadius.apply(this, arguments));
-    }
-    return pathType(d) || null;
-  }
-
-  function project(coordinates) {
-    return projection(coordinates).join(",");
-  }
-
-  var pathType = d3_geo_type({
-
-    FeatureCollection: function(o) {
-      var path = [],
-          features = o.features,
-          i = -1, // features.index
-          n = features.length;
-      while (++i < n) path.push(pathType(features[i].geometry));
-      return path.join("");
-    },
-
-    Feature: function(o) {
-      return pathType(o.geometry);
-    },
-
-    Point: function(o) {
-      return "M" + project(o.coordinates) + pointCircle;
-    },
-
-    MultiPoint: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length;
-      while (++i < n) path.push("M", project(coordinates[i]), pointCircle);
-      return path.join("");
-    },
-
-    LineString: function(o) {
-      var path = ["M"],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length;
-      while (++i < n) path.push(project(coordinates[i]), "L");
-      path.pop();
-      return path.join("");
-    },
-
-    MultiLineString: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length,
-          subcoordinates, // coordinates[i]
-          j, // subcoordinates.index
-          m; // subcoordinates.length
-      while (++i < n) {
-        subcoordinates = coordinates[i];
-        j = -1;
-        m = subcoordinates.length;
-        path.push("M");
-        while (++j < m) path.push(project(subcoordinates[j]), "L");
-        path.pop();
-      }
-      return path.join("");
-    },
-
-    Polygon: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length,
-          subcoordinates, // coordinates[i]
-          j, // subcoordinates.index
-          m; // subcoordinates.length
-      while (++i < n) {
-        subcoordinates = coordinates[i];
-        j = -1;
-        if ((m = subcoordinates.length - 1) > 0) {
-          path.push("M");
-          while (++j < m) path.push(project(subcoordinates[j]), "L");
-          path[path.length - 1] = "Z";
+      sp = stack.length;
+      for (;j < plen; ++j) {
+        if (points[j].index === -1) continue;
+        while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
+          --sp;
         }
+        stack[sp++] = points[j].index;
       }
-      return path.join("");
-    },
-
-    MultiPolygon: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates index
-          n = coordinates.length,
-          subcoordinates, // coordinates[i]
-          j, // subcoordinates index
-          m, // subcoordinates.length
-          subsubcoordinates, // subcoordinates[j]
-          k, // subsubcoordinates index
-          p; // subsubcoordinates.length
-      while (++i < n) {
-        subcoordinates = coordinates[i];
-        j = -1;
-        m = subcoordinates.length;
-        while (++j < m) {
-          subsubcoordinates = subcoordinates[j];
-          k = -1;
-          if ((p = subsubcoordinates.length - 1) > 0) {
-            path.push("M");
-            while (++k < p) path.push(project(subsubcoordinates[k]), "L");
-            path[path.length - 1] = "Z";
-          }
-        }
+      var poly = [];
+      for (i = 0; i < sp; ++i) {
+        poly.push(data[stack[i]]);
       }
-      return path.join("");
-    },
-
-    GeometryCollection: function(o) {
-      var path = [],
-          geometries = o.geometries,
-          i = -1, // geometries index
-          n = geometries.length;
-      while (++i < n) path.push(pathType(geometries[i]));
-      return path.join("");
+      return poly;
     }
-
-  });
-
-  var areaType = path.area = d3_geo_type({
-
-    FeatureCollection: function(o) {
-      var area = 0,
-          features = o.features,
-          i = -1, // features.index
-          n = features.length;
-      while (++i < n) area += areaType(features[i]);
-      return area;
-    },
-
-    Feature: function(o) {
-      return areaType(o.geometry);
-    },
-
-    Polygon: function(o) {
-      return polygonArea(o.coordinates);
-    },
-
-    MultiPolygon: function(o) {
-      var sum = 0,
-          coordinates = o.coordinates,
-          i = -1, // coordinates index
-          n = coordinates.length;
-      while (++i < n) sum += polygonArea(coordinates[i]);
-      return sum;
-    },
-
-    GeometryCollection: function(o) {
-      var sum = 0,
-          geometries = o.geometries,
-          i = -1, // geometries index
-          n = geometries.length;
-      while (++i < n) sum += areaType(geometries[i]);
-      return sum;
-    }
-
-  }, 0);
-
-  function polygonArea(coordinates) {
-    var sum = area(coordinates[0]), // exterior ring
-        i = 0, // coordinates.index
-        n = coordinates.length;
-    while (++i < n) sum -= area(coordinates[i]); // holes
-    return sum;
-  }
-
-  function polygonCentroid(coordinates) {
-    var polygon = d3.geom.polygon(coordinates[0].map(projection)), // exterior ring
-        area = polygon.area(),
-        centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1),
-        x = centroid[0],
-        y = centroid[1],
-        z = area,
-        i = 0, // coordinates index
-        n = coordinates.length;
-    while (++i < n) {
-      polygon = d3.geom.polygon(coordinates[i].map(projection)); // holes
-      area = polygon.area();
-      centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1);
-      x -= centroid[0];
-      y -= centroid[1];
-      z -= area;
-    }
-    return [x, y, 6 * z]; // weighted centroid
-  }
-
-  var centroidType = path.centroid = d3_geo_type({
-
-    // TODO FeatureCollection
-    // TODO Point
-    // TODO MultiPoint
-    // TODO LineString
-    // TODO MultiLineString
-    // TODO GeometryCollection
-
-    Feature: function(o) {
-      return centroidType(o.geometry);
-    },
-
-    Polygon: function(o) {
-      var centroid = polygonCentroid(o.coordinates);
-      return [centroid[0] / centroid[2], centroid[1] / centroid[2]];
-    },
-
-    MultiPolygon: function(o) {
-      var area = 0,
-          coordinates = o.coordinates,
-          centroid,
-          x = 0,
-          y = 0,
-          z = 0,
-          i = -1, // coordinates index
-          n = coordinates.length;
-      while (++i < n) {
-        centroid = polygonCentroid(coordinates[i]);
-        x += centroid[0];
-        y += centroid[1];
-        z += centroid[2];
-      }
-      return [x / z, y / z];
-    }
-
-  });
-
-  function area(coordinates) {
-    return Math.abs(d3.geom.polygon(coordinates.map(projection)).area());
-  }
-
-  path.projection = function(x) {
-    projection = x;
-    return path;
-  };
-
-  path.pointRadius = function(x) {
-    if (typeof x === "function") pointRadius = x;
-    else {
-      pointRadius = +x;
-      pointCircle = d3_path_circle(pointRadius);
-    }
-    return path;
-  };
-
-  return path;
-};
-
-function d3_path_circle(radius) {
-  return "m0," + radius
-      + "a" + radius + "," + radius + " 0 1,1 0," + (-2 * radius)
-      + "a" + radius + "," + radius + " 0 1,1 0," + (+2 * radius)
-      + "z";
-}
-/**
- * Given a GeoJSON object, returns the corresponding bounding box. The bounding
- * box is represented by a two-dimensional array: [[left, bottom], [right,
- * top]], where left is the minimum longitude, bottom is the minimum latitude,
- * right is maximum longitude, and top is the maximum latitude.
- */
-d3.geo.bounds = function(feature) {
-  var left = Infinity,
-      bottom = Infinity,
-      right = -Infinity,
-      top = -Infinity;
-  d3_geo_bounds(feature, function(x, y) {
-    if (x < left) left = x;
-    if (x > right) right = x;
-    if (y < bottom) bottom = y;
-    if (y > top) top = y;
-  });
-  return [[left, bottom], [right, top]];
-};
-
-function d3_geo_bounds(o, f) {
-  if (d3_geo_boundsTypes.hasOwnProperty(o.type)) d3_geo_boundsTypes[o.type](o, f);
-}
-
-var d3_geo_boundsTypes = {
-  Feature: d3_geo_boundsFeature,
-  FeatureCollection: d3_geo_boundsFeatureCollection,
-  GeometryCollection: d3_geo_boundsGeometryCollection,
-  LineString: d3_geo_boundsLineString,
-  MultiLineString: d3_geo_boundsMultiLineString,
-  MultiPoint: d3_geo_boundsLineString,
-  MultiPolygon: d3_geo_boundsMultiPolygon,
-  Point: d3_geo_boundsPoint,
-  Polygon: d3_geo_boundsPolygon
-};
-
-function d3_geo_boundsFeature(o, f) {
-  d3_geo_bounds(o.geometry, f);
-}
-
-function d3_geo_boundsFeatureCollection(o, f) {
-  for (var a = o.features, i = 0, n = a.length; i < n; i++) {
-    d3_geo_bounds(a[i].geometry, f);
-  }
-}
-
-function d3_geo_boundsGeometryCollection(o, f) {
-  for (var a = o.geometries, i = 0, n = a.length; i < n; i++) {
-    d3_geo_bounds(a[i], f);
-  }
-}
-
-function d3_geo_boundsLineString(o, f) {
-  for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
-    f.apply(null, a[i]);
-  }
-}
-
-function d3_geo_boundsMultiLineString(o, f) {
-  for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
-    for (var b = a[i], j = 0, m = b.length; j < m; j++) {
-      f.apply(null, b[j]);
-    }
-  }
-}
-
-function d3_geo_boundsMultiPolygon(o, f) {
-  for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
-    for (var b = a[i][0], j = 0, m = b.length; j < m; j++) {
-      f.apply(null, b[j]);
-    }
-  }
-}
-
-function d3_geo_boundsPoint(o, f) {
-  f.apply(null, o.coordinates);
-}
-
-function d3_geo_boundsPolygon(o, f) {
-  for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) {
-    f.apply(null, a[i]);
-  }
-}
-// TODO breakAtDateLine?
-
-d3.geo.circle = function() {
-  var origin = [0, 0],
-      degrees = 90 - 1e-2,
-      radians = degrees * d3_geo_radians,
-      arc = d3.geo.greatArc().target(d3_identity);
-
-  function circle() {
-    // TODO render a circle as a Polygon
-  }
-
-  function visible(point) {
-    return arc.distance(point) < radians;
-  }
-
-  circle.clip = function(d) {
-    arc.source(typeof origin === "function" ? origin.apply(this, arguments) : origin);
-    return clipType(d);
-  };
-
-  var clipType = d3_geo_type({
-
-    FeatureCollection: function(o) {
-      var features = o.features.map(clipType).filter(d3_identity);
-      return features && (o = Object.create(o), o.features = features, o);
-    },
-
-    Feature: function(o) {
-      var geometry = clipType(o.geometry);
-      return geometry && (o = Object.create(o), o.geometry = geometry, o);
-    },
-
-    Point: function(o) {
-      return visible(o.coordinates) && o;
-    },
-
-    MultiPoint: function(o) {
-      var coordinates = o.coordinates.filter(visible);
-      return coordinates.length && {
-        type: o.type,
-        coordinates: coordinates
-      };
-    },
-
-    LineString: function(o) {
-      var coordinates = clip(o.coordinates);
-      return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    MultiLineString: function(o) {
-      var coordinates = o.coordinates.map(clip).filter(function(d) { return d.length; });
-      return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    Polygon: function(o) {
-      var coordinates = o.coordinates.map(clip);
-      return coordinates[0].length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    MultiPolygon: function(o) {
-      var coordinates = o.coordinates.map(function(d) { return d.map(clip); }).filter(function(d) { return d[0].length; });
-      return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    GeometryCollection: function(o) {
-      var geometries = o.geometries.map(clipType).filter(d3_identity);
-      return geometries.length && (o = Object.create(o), o.geometries = geometries, o);
-    }
-
-  });
-
-  function clip(coordinates) {
-    var i = -1,
-        n = coordinates.length,
-        clipped = [],
-        p0,
-        p1,
-        p2,
-        d0,
-        d1;
-
-    while (++i < n) {
-      d1 = arc.distance(p2 = coordinates[i]);
-      if (d1 < radians) {
-        if (p1) clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1)));
-        clipped.push(p2);
-        p0 = p1 = null;
-      } else {
-        p1 = p2;
-        if (!p0 && clipped.length) {
-          clipped.push(d3_geo_greatArcInterpolate(clipped[clipped.length - 1], p1)((radians - d0) / (d1 - d0)));
-          p0 = p1;
-        }
-      }
-      d0 = d1;
-    }
-
-    if (p1 && clipped.length) {
-      d1 = arc.distance(p2 = clipped[0]);
-      clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1)));
-    }
-
-    return resample(clipped);
-  }
-
-  // Resample coordinates, creating great arcs between each.
-  function resample(coordinates) {
-    var i = 0,
-        n = coordinates.length,
-        j,
-        m,
-        resampled = n ? [coordinates[0]] : coordinates,
-        resamples,
-        origin = arc.source();
-
-    while (++i < n) {
-      resamples = arc.source(coordinates[i - 1])(coordinates[i]).coordinates;
-      for (j = 0, m = resamples.length; ++j < m;) resampled.push(resamples[j]);
-    }
-
-    arc.source(origin);
-    return resampled;
-  }
-
-  circle.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = x;
-    return circle;
-  };
-
-  circle.angle = function(x) {
-    if (!arguments.length) return degrees;
-    radians = (degrees = +x) * d3_geo_radians;
-    return circle;
-  };
-
-  // Precision is specified in degrees.
-  circle.precision = function(x) {
-    if (!arguments.length) return arc.precision();
-    arc.precision(x);
-    return circle;
-  };
-
-  return circle;
-}
-d3.geo.greatArc = function() {
-  var source = d3_geo_greatArcSource,
-      target = d3_geo_greatArcTarget,
-      precision = 6 * d3_geo_radians;
-
-  function greatArc() {
-    var a = typeof source === "function" ? source.apply(this, arguments) : source,
-        b = typeof target === "function" ? target.apply(this, arguments) : target,
-        i = d3_geo_greatArcInterpolate(a, b),
-        dt = precision / i.d,
-        t = 0,
-        coordinates = [a];
-    while ((t += dt) < 1) coordinates.push(i(t));
-    coordinates.push(b);
-    return {
-      type: "LineString",
-      coordinates: coordinates
+    hull.x = function(_) {
+      return arguments.length ? (x = _, hull) : x;
     };
-  }
-
-  // Length returned in radians; multiply by radius for distance.
-  greatArc.distance = function() {
-    var a = typeof source === "function" ? source.apply(this, arguments) : source,
-        b = typeof target === "function" ? target.apply(this, arguments) : target;
-     return d3_geo_greatArcInterpolate(a, b).d;
+    hull.y = function(_) {
+      return arguments.length ? (y = _, hull) : y;
+    };
+    return hull;
   };
-
-  greatArc.source = function(x) {
-    if (!arguments.length) return source;
-    source = x;
-    return greatArc;
-  };
-
-  greatArc.target = function(x) {
-    if (!arguments.length) return target;
-    target = x;
-    return greatArc;
-  };
-
-  // Precision is specified in degrees.
-  greatArc.precision = function(x) {
-    if (!arguments.length) return precision / d3_geo_radians;
-    precision = x * d3_geo_radians;
-    return greatArc;
-  };
-
-  return greatArc;
-};
-
-function d3_geo_greatArcSource(d) {
-  return d.source;
-}
-
-function d3_geo_greatArcTarget(d) {
-  return d.target;
-}
-
-function d3_geo_greatArcInterpolate(a, b) {
-  var x0 = a[0] * d3_geo_radians, cx0 = Math.cos(x0), sx0 = Math.sin(x0),
-      y0 = a[1] * d3_geo_radians, cy0 = Math.cos(y0), sy0 = Math.sin(y0),
-      x1 = b[0] * d3_geo_radians, cx1 = Math.cos(x1), sx1 = Math.sin(x1),
-      y1 = b[1] * d3_geo_radians, cy1 = Math.cos(y1), sy1 = Math.sin(y1),
-      d = interpolate.d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))),
-      sd = Math.sin(d);
-
-  // From http://williams.best.vwh.net/avform.htm#Intermediate
-  function interpolate(t) {
-    var A = Math.sin(d - (t *= d)) / sd,
-        B = Math.sin(t) / sd,
-        x = A * cy0 * cx0 + B * cy1 * cx1,
-        y = A * cy0 * sx0 + B * cy1 * sx1,
-        z = A * sy0       + B * sy1;
-    return [
-      Math.atan2(y, x) / d3_geo_radians,
-      Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_geo_radians
-    ];
+  function d3_geom_hullCCW(i1, i2, i3, v) {
+    var t, a, b, c, d, e, f;
+    t = v[i1];
+    a = t[0];
+    b = t[1];
+    t = v[i2];
+    c = t[0];
+    d = t[1];
+    t = v[i3];
+    e = t[0];
+    f = t[1];
+    return (f - b) * (c - a) - (d - b) * (e - a) > 0;
   }
-
-  return interpolate;
-}
-d3.geo.greatCircle = d3.geo.circle;
-d3.geom = {};
-/**
- * Computes a contour for a given input grid function using the <a
- * href="http://en.wikipedia.org/wiki/Marching_squares">marching
- * squares</a> algorithm. Returns the contour polygon as an array of points.
- *
- * @param grid a two-input function(x, y) that returns true for values
- * inside the contour and false for values outside the contour.
- * @param start an optional starting point [x, y] on the grid.
- * @returns polygon [[x1, y1], [x2, y2], …]
- */
-d3.geom.contour = function(grid, start) {
-  var s = start || d3_geom_contourStart(grid), // starting point
-      c = [],    // contour polygon
-      x = s[0],  // current x position
-      y = s[1],  // current y position
-      dx = 0,    // next x direction
-      dy = 0,    // next y direction
-      pdx = NaN, // previous x direction
-      pdy = NaN, // previous y direction
-      i = 0;
-
-  do {
-    // determine marching squares index
-    i = 0;
-    if (grid(x-1, y-1)) i += 1;
-    if (grid(x,   y-1)) i += 2;
-    if (grid(x-1, y  )) i += 4;
-    if (grid(x,   y  )) i += 8;
-
-    // determine next direction
-    if (i === 6) {
-      dx = pdy === -1 ? -1 : 1;
-      dy = 0;
-    } else if (i === 9) {
-      dx = 0;
-      dy = pdx === 1 ? -1 : 1;
-    } else {
-      dx = d3_geom_contourDx[i];
-      dy = d3_geom_contourDy[i];
-    }
-
-    // update contour polygon
-    if (dx != pdx && dy != pdy) {
-      c.push([x, y]);
-      pdx = dx;
-      pdy = dy;
-    }
-
-    x += dx;
-    y += dy;
-  } while (s[0] != x || s[1] != y);
-
-  return c;
-};
-
-// lookup tables for marching directions
-var d3_geom_contourDx = [1, 0, 1, 1,-1, 0,-1, 1,0, 0,0,0,-1, 0,-1,NaN],
-    d3_geom_contourDy = [0,-1, 0, 0, 0,-1, 0, 0,1,-1,1,1, 0,-1, 0,NaN];
-
-function d3_geom_contourStart(grid) {
-  var x = 0,
-      y = 0;
-
-  // search for a starting point; begin at origin
-  // and proceed along outward-expanding diagonals
-  while (true) {
-    if (grid(x,y)) {
-      return [x,y];
-    }
-    if (x === 0) {
-      x = y + 1;
-      y = 0;
-    } else {
-      x = x - 1;
-      y = y + 1;
-    }
-  }
-}
-/**
- * Computes the 2D convex hull of a set of points using Graham's scanning
- * algorithm. The algorithm has been implemented as described in Cormen,
- * Leiserson, and Rivest's Introduction to Algorithms. The running time of
- * this algorithm is O(n log n), where n is the number of input points.
- *
- * @param vertices [[x1, y1], [x2, y2], …]
- * @returns polygon [[x1, y1], [x2, y2], …]
- */
-d3.geom.hull = function(vertices) {
-  if (vertices.length < 3) return [];
-
-  var len = vertices.length,
-      plen = len - 1,
-      points = [],
-      stack = [],
-      i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
-
-  // find the starting ref point: leftmost point with the minimum y coord
-  for (i=1; i<len; ++i) {
-    if (vertices[i][1] < vertices[h][1]) {
-      h = i;
-    } else if (vertices[i][1] == vertices[h][1]) {
-      h = (vertices[i][0] < vertices[h][0] ? i : h);
-    }
-  }
-
-  // calculate polar angles from ref point and sort
-  for (i=0; i<len; ++i) {
-    if (i === h) continue;
-    y1 = vertices[i][1] - vertices[h][1];
-    x1 = vertices[i][0] - vertices[h][0];
-    points.push({angle: Math.atan2(y1, x1), index: i});
-  }
-  points.sort(function(a, b) { return a.angle - b.angle; });
-
-  // toss out duplicate angles
-  a = points[0].angle;
-  v = points[0].index;
-  u = 0;
-  for (i=1; i<plen; ++i) {
-    j = points[i].index;
-    if (a == points[i].angle) {
-      // keep angle for point most distant from the reference
-      x1 = vertices[v][0] - vertices[h][0];
-      y1 = vertices[v][1] - vertices[h][1];
-      x2 = vertices[j][0] - vertices[h][0];
-      y2 = vertices[j][1] - vertices[h][1];
-      if ((x1*x1 + y1*y1) >= (x2*x2 + y2*y2)) {
-        points[i].index = -1;
-      } else {
-        points[u].index = -1;
-        a = points[i].angle;
-        u = i;
-        v = j;
+  d3.geom.polygon = function(coordinates) {
+    coordinates.area = function() {
+      var i = 0, n = coordinates.length, area = coordinates[n - 1][1] * coordinates[0][0] - coordinates[n - 1][0] * coordinates[0][1];
+      while (++i < n) {
+        area += coordinates[i - 1][1] * coordinates[i][0] - coordinates[i - 1][0] * coordinates[i][1];
       }
-    } else {
-      a = points[i].angle;
-      u = i;
-      v = j;
-    }
-  }
-
-  // initialize the stack
-  stack.push(h);
-  for (i=0, j=0; i<2; ++j) {
-    if (points[j].index !== -1) {
-      stack.push(points[j].index);
-      i++;
-    }
-  }
-  sp = stack.length;
-
-  // do graham's scan
-  for (; j<plen; ++j) {
-    if (points[j].index === -1) continue; // skip tossed out points
-    while (!d3_geom_hullCCW(stack[sp-2], stack[sp-1], points[j].index, vertices)) {
-      --sp;
-    }
-    stack[sp++] = points[j].index;
-  }
-
-  // construct the hull
-  var poly = [];
-  for (i=0; i<sp; ++i) {
-    poly.push(vertices[stack[i]]);
-  }
-  return poly;
-}
-
-// are three points in counter-clockwise order?
-function d3_geom_hullCCW(i1, i2, i3, v) {
-  var t, a, b, c, d, e, f;
-  t = v[i1]; a = t[0]; b = t[1];
-  t = v[i2]; c = t[0]; d = t[1];
-  t = v[i3]; e = t[0]; f = t[1];
-  return ((f-b)*(c-a) - (d-b)*(e-a)) > 0;
-}
-// Note: requires coordinates to be counterclockwise and convex!
-d3.geom.polygon = function(coordinates) {
-
-  coordinates.area = function() {
-    var i = 0,
-        n = coordinates.length,
-        a = coordinates[n - 1][0] * coordinates[0][1],
-        b = coordinates[n - 1][1] * coordinates[0][0];
-    while (++i < n) {
-      a += coordinates[i - 1][0] * coordinates[i][1];
-      b += coordinates[i - 1][1] * coordinates[i][0];
-    }
-    return (b - a) * .5;
-  };
-
-  coordinates.centroid = function(k) {
-    var i = -1,
-        n = coordinates.length,
-        x = 0,
-        y = 0,
-        a,
-        b = coordinates[n - 1],
-        c;
-    if (!arguments.length) k = -1 / (6 * coordinates.area());
-    while (++i < n) {
-      a = b;
-      b = coordinates[i];
-      c = a[0] * b[1] - b[0] * a[1];
-      x += (a[0] + b[0]) * c;
-      y += (a[1] + b[1]) * c;
-    }
-    return [x * k, y * k];
-  };
-
-  // The Sutherland-Hodgman clipping algorithm.
-  coordinates.clip = function(subject) {
-    var input,
-        i = -1,
-        n = coordinates.length,
-        j,
-        m,
-        a = coordinates[n - 1],
-        b,
-        c,
-        d;
-    while (++i < n) {
-      input = subject.slice();
-      subject.length = 0;
-      b = coordinates[i];
-      c = input[(m = input.length) - 1];
-      j = -1;
-      while (++j < m) {
-        d = input[j];
-        if (d3_geom_polygonInside(d, a, b)) {
-          if (!d3_geom_polygonInside(c, a, b)) {
+      return area * .5;
+    };
+    coordinates.centroid = function(k) {
+      var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c;
+      if (!arguments.length) k = -1 / (6 * coordinates.area());
+      while (++i < n) {
+        a = b;
+        b = coordinates[i];
+        c = a[0] * b[1] - b[0] * a[1];
+        x += (a[0] + b[0]) * c;
+        y += (a[1] + b[1]) * c;
+      }
+      return [ x * k, y * k ];
+    };
+    coordinates.clip = function(subject) {
+      var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d;
+      while (++i < n) {
+        input = subject.slice();
+        subject.length = 0;
+        b = coordinates[i];
+        c = input[(m = input.length) - 1];
+        j = -1;
+        while (++j < m) {
+          d = input[j];
+          if (d3_geom_polygonInside(d, a, b)) {
+            if (!d3_geom_polygonInside(c, a, b)) {
+              subject.push(d3_geom_polygonIntersect(c, d, a, b));
+            }
+            subject.push(d);
+          } else if (d3_geom_polygonInside(c, a, b)) {
             subject.push(d3_geom_polygonIntersect(c, d, a, b));
           }
-          subject.push(d);
-        } else if (d3_geom_polygonInside(c, a, b)) {
-          subject.push(d3_geom_polygonIntersect(c, d, a, b));
+          c = d;
         }
-        c = d;
+        a = b;
       }
-      a = b;
-    }
-    return subject;
+      return subject;
+    };
+    return coordinates;
   };
-
-  return coordinates;
-};
-
-function d3_geom_polygonInside(p, a, b) {
-  return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
-}
-
-// Intersect two infinite lines cd and ab.
-function d3_geom_polygonIntersect(c, d, a, b) {
-  var x1 = c[0], x2 = d[0], x3 = a[0], x4 = b[0],
-      y1 = c[1], y2 = d[1], y3 = a[1], y4 = b[1],
-      x13 = x1 - x3,
-      x21 = x2 - x1,
-      x43 = x4 - x3,
-      y13 = y1 - y3,
-      y21 = y2 - y1,
-      y43 = y4 - y3,
-      ua = (x43 * y13 - y43 * x13) / (y43 * x21 - x43 * y21);
-  return [x1 + ua * x21, y1 + ua * y21];
-}
-// Adapted from Nicolas Garcia Belmonte's JIT implementation:
-// http://blog.thejit.org/2010/02/12/voronoi-tessellation/
-// http://blog.thejit.org/assets/voronoijs/voronoi.js
-// See lib/jit/LICENSE for details.
-
-// Notes:
-//
-// This implementation does not clip the returned polygons, so if you want to
-// clip them to a particular shape you will need to do that either in SVG or by
-// post-processing with d3.geom.polygon's clip method.
-//
-// If any vertices are coincident or have NaN positions, the behavior of this
-// method is undefined. Most likely invalid polygons will be returned. You
-// should filter invalid points, and consolidate coincident points, before
-// computing the tessellation.
-
-/**
- * @param vertices [[x1, y1], [x2, y2], …]
- * @returns polygons [[[x1, y1], [x2, y2], …], …]
- */
-d3.geom.voronoi = function(vertices) {
-  var polygons = vertices.map(function() { return []; });
-
-  d3_voronoi_tessellate(vertices, function(e) {
-    var s1,
-        s2,
-        x1,
-        x2,
-        y1,
-        y2;
-    if (e.a === 1 && e.b >= 0) {
-      s1 = e.ep.r;
-      s2 = e.ep.l;
-    } else {
-      s1 = e.ep.l;
-      s2 = e.ep.r;
-    }
-    if (e.a === 1) {
-      y1 = s1 ? s1.y : -1e6;
-      x1 = e.c - e.b * y1;
-      y2 = s2 ? s2.y : 1e6;
-      x2 = e.c - e.b * y2;
-    } else {
-      x1 = s1 ? s1.x : -1e6;
-      y1 = e.c - e.a * x1;
-      x2 = s2 ? s2.x : 1e6;
-      y2 = e.c - e.a * x2;
-    }
-    var v1 = [x1, y1],
-        v2 = [x2, y2];
-    polygons[e.region.l.index].push(v1, v2);
-    polygons[e.region.r.index].push(v1, v2);
-  });
-
-  // Reconnect the polygon segments into counterclockwise loops.
-  return polygons.map(function(polygon, i) {
-    var cx = vertices[i][0],
-        cy = vertices[i][1];
-    polygon.forEach(function(v) {
-      v.angle = Math.atan2(v[0] - cx, v[1] - cy);
+  function d3_geom_polygonInside(p, a, b) {
+    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+  }
+  function d3_geom_polygonIntersect(c, d, a, b) {
+    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
+    return [ x1 + ua * x21, y1 + ua * y21 ];
+  }
+  d3.geom.delaunay = function(vertices) {
+    var edges = vertices.map(function() {
+      return [];
+    }), triangles = [];
+    d3_geom_voronoiTessellate(vertices, function(e) {
+      edges[e.region.l.index].push(vertices[e.region.r.index]);
     });
-    return polygon.sort(function(a, b) {
-      return a.angle - b.angle;
-    }).filter(function(d, i) {
-      return !i || (d.angle - polygon[i - 1].angle > 1e-10);
+    edges.forEach(function(edge, i) {
+      var v = vertices[i], cx = v[0], cy = v[1];
+      edge.forEach(function(v) {
+        v.angle = Math.atan2(v[0] - cx, v[1] - cy);
+      });
+      edge.sort(function(a, b) {
+        return a.angle - b.angle;
+      });
+      for (var j = 0, m = edge.length - 1; j < m; j++) {
+        triangles.push([ v, edge[j], edge[j + 1] ]);
+      }
     });
-  });
-};
-
-var d3_voronoi_opposite = {"l": "r", "r": "l"};
-
-function d3_voronoi_tessellate(vertices, callback) {
-
-  var Sites = {
-    list: vertices
-      .map(function(v, i) {
+    return triangles;
+  };
+  d3.geom.voronoi = function(points) {
+    var size = null, x = d3_svg_lineX, y = d3_svg_lineY, clip;
+    if (arguments.length) return voronoi(points);
+    function voronoi(data) {
+      var points, polygons = data.map(function() {
+        return [];
+      }), fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length, Z = 1e6;
+      if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (points = [], 
+      i = 0; i < n; ++i) {
+        points.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
+      }
+      d3_geom_voronoiTessellate(points, function(e) {
+        var s1, s2, x1, x2, y1, y2;
+        if (e.a === 1 && e.b >= 0) {
+          s1 = e.ep.r;
+          s2 = e.ep.l;
+        } else {
+          s1 = e.ep.l;
+          s2 = e.ep.r;
+        }
+        if (e.a === 1) {
+          y1 = s1 ? s1.y : -Z;
+          x1 = e.c - e.b * y1;
+          y2 = s2 ? s2.y : Z;
+          x2 = e.c - e.b * y2;
+        } else {
+          x1 = s1 ? s1.x : -Z;
+          y1 = e.c - e.a * x1;
+          x2 = s2 ? s2.x : Z;
+          y2 = e.c - e.a * x2;
+        }
+        var v1 = [ x1, y1 ], v2 = [ x2, y2 ];
+        polygons[e.region.l.index].push(v1, v2);
+        polygons[e.region.r.index].push(v1, v2);
+      });
+      polygons = polygons.map(function(polygon, i) {
+        var cx = points[i][0], cy = points[i][1], angle = polygon.map(function(v) {
+          return Math.atan2(v[0] - cx, v[1] - cy);
+        }), order = d3.range(polygon.length).sort(function(a, b) {
+          return angle[a] - angle[b];
+        });
+        return order.filter(function(d, i) {
+          return !i || angle[d] - angle[order[i - 1]] > ε;
+        }).map(function(d) {
+          return polygon[d];
+        });
+      });
+      polygons.forEach(function(polygon, i) {
+        var n = polygon.length;
+        if (!n) return polygon.push([ -Z, -Z ], [ -Z, Z ], [ Z, Z ], [ Z, -Z ]);
+        if (n > 2) return;
+        var p0 = points[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1;
+        if (Math.abs(dy) < ε) {
+          var y = y0 < y1 ? -Z : Z;
+          polygon.push([ -Z, y ], [ Z, y ]);
+        } else if (dx < ε) {
+          var x = x0 < x1 ? -Z : Z;
+          polygon.push([ x, -Z ], [ x, Z ]);
+        } else {
+          var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx;
+          if (Math.abs(z) < ε) {
+            polygon.push([ dy < 0 ? y : -y, y ]);
+          } else {
+            if (z > 0) y *= -1;
+            polygon.push([ -Z, y ], [ Z, y ]);
+          }
+        }
+      });
+      if (clip) for (i = 0; i < n; ++i) clip(polygons[i]);
+      for (i = 0; i < n; ++i) polygons[i].point = data[i];
+      return polygons;
+    }
+    voronoi.x = function(_) {
+      return arguments.length ? (x = _, voronoi) : x;
+    };
+    voronoi.y = function(_) {
+      return arguments.length ? (y = _, voronoi) : y;
+    };
+    voronoi.size = function(_) {
+      if (!arguments.length) return size;
+      if (_ == null) {
+        clip = null;
+      } else {
+        size = [ +_[0], +_[1] ];
+        clip = d3.geom.polygon([ [ 0, 0 ], [ 0, size[1] ], size, [ size[0], 0 ] ]).clip;
+      }
+      return voronoi;
+    };
+    voronoi.links = function(data) {
+      var points, graph = data.map(function() {
+        return [];
+      }), links = [], fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length;
+      if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (i = 0; i < n; ++i) {
+        points.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
+      }
+      d3_geom_voronoiTessellate(points, function(e) {
+        var l = e.region.l.index, r = e.region.r.index;
+        if (graph[l][r]) return;
+        graph[l][r] = graph[r][l] = true;
+        links.push({
+          source: data[l],
+          target: data[r]
+        });
+      });
+      return links;
+    };
+    voronoi.triangles = function(data) {
+      if (x === d3_svg_lineX && y === d3_svg_lineY) return d3.geom.delaunay(data);
+      var points, point, fx = d3_functor(x), fy = d3_functor(y), d, i, n;
+      for (i = 0, points = [], n = data.length; i < n; ++i) {
+        point = [ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ];
+        point.data = d;
+        points.push(point);
+      }
+      return d3.geom.delaunay(points).map(function(triangle) {
+        return triangle.map(function(point) {
+          return point.data;
+        });
+      });
+    };
+    return voronoi;
+  };
+  var d3_geom_voronoiOpposite = {
+    l: "r",
+    r: "l"
+  };
+  function d3_geom_voronoiTessellate(points, callback) {
+    var Sites = {
+      list: points.map(function(v, i) {
         return {
           index: i,
           x: v[0],
           y: v[1]
         };
-      })
-      .sort(function(a, b) {
-        return a.y < b.y ? -1
-          : a.y > b.y ? 1
-          : a.x < b.x ? -1
-          : a.x > b.x ? 1
-          : 0;
+      }).sort(function(a, b) {
+        return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
       }),
-    bottomSite: null
-  };
-
-  var EdgeList = {
-    list: [],
-    leftEnd: null,
-    rightEnd: null,
-
-    init: function() {
-      EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
-      EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
-      EdgeList.leftEnd.r = EdgeList.rightEnd;
-      EdgeList.rightEnd.l = EdgeList.leftEnd;
-      EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
-    },
-
-    createHalfEdge: function(edge, side) {
-      return {
-        edge: edge,
-        side: side,
-        vertex: null,
-        "l": null,
-        "r": null
-      };
-    },
-
-    insert: function(lb, he) {
-      he.l = lb;
-      he.r = lb.r;
-      lb.r.l = he;
-      lb.r = he;
-    },
-
-    leftBound: function(p) {
-      var he = EdgeList.leftEnd;
-      do {
-        he = he.r;
-      } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
-      he = he.l;
-      return he;
-    },
-
-    del: function(he) {
-      he.l.r = he.r;
-      he.r.l = he.l;
-      he.edge = null;
-    },
-
-    right: function(he) {
-      return he.r;
-    },
-
-    left: function(he) {
-      return he.l;
-    },
-
-    leftRegion: function(he) {
-      return he.edge == null
-          ? Sites.bottomSite
-          : he.edge.region[he.side];
-    },
-
-    rightRegion: function(he) {
-      return he.edge == null
-          ? Sites.bottomSite
-          : he.edge.region[d3_voronoi_opposite[he.side]];
-    }
-  };
-
-  var Geom = {
-
-    bisect: function(s1, s2) {
-      var newEdge = {
-        region: {"l": s1, "r": s2},
-        ep: {"l": null, "r": null}
-      };
-
-      var dx = s2.x - s1.x,
-          dy = s2.y - s1.y,
-          adx = dx > 0 ? dx : -dx,
-          ady = dy > 0 ? dy : -dy;
-
-      newEdge.c = s1.x * dx + s1.y * dy
-          + (dx * dx + dy * dy) * .5;
-
-      if (adx > ady) {
-        newEdge.a = 1;
-        newEdge.b = dy / dx;
-        newEdge.c /= dx;
-      } else {
-        newEdge.b = 1;
-        newEdge.a = dx / dy;
-        newEdge.c /= dy;
+      bottomSite: null
+    };
+    var EdgeList = {
+      list: [],
+      leftEnd: null,
+      rightEnd: null,
+      init: function() {
+        EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
+        EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
+        EdgeList.leftEnd.r = EdgeList.rightEnd;
+        EdgeList.rightEnd.l = EdgeList.leftEnd;
+        EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
+      },
+      createHalfEdge: function(edge, side) {
+        return {
+          edge: edge,
+          side: side,
+          vertex: null,
+          l: null,
+          r: null
+        };
+      },
+      insert: function(lb, he) {
+        he.l = lb;
+        he.r = lb.r;
+        lb.r.l = he;
+        lb.r = he;
+      },
+      leftBound: function(p) {
+        var he = EdgeList.leftEnd;
+        do {
+          he = he.r;
+        } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
+        he = he.l;
+        return he;
+      },
+      del: function(he) {
+        he.l.r = he.r;
+        he.r.l = he.l;
+        he.edge = null;
+      },
+      right: function(he) {
+        return he.r;
+      },
+      left: function(he) {
+        return he.l;
+      },
+      leftRegion: function(he) {
+        return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
+      },
+      rightRegion: function(he) {
+        return he.edge == null ? Sites.bottomSite : he.edge.region[d3_geom_voronoiOpposite[he.side]];
       }
-
-      return newEdge;
-    },
-
-    intersect: function(el1, el2) {
-      var e1 = el1.edge,
-          e2 = el2.edge;
-      if (!e1 || !e2 || (e1.region.r == e2.region.r)) {
-        return null;
-      }
-      var d = (e1.a * e2.b) - (e1.b * e2.a);
-      if (Math.abs(d) < 1e-10) {
-        return null;
-      }
-      var xint = (e1.c * e2.b - e2.c * e1.b) / d,
-          yint = (e2.c * e1.a - e1.c * e2.a) / d,
-          e1r = e1.region.r,
-          e2r = e2.region.r,
-          el,
-          e;
-      if ((e1r.y < e2r.y) ||
-         (e1r.y == e2r.y && e1r.x < e2r.x)) {
-        el = el1;
-        e = e1;
-      } else {
-        el = el2;
-        e = e2;
-      }
-      var rightOfSite = (xint >= e.region.r.x);
-      if ((rightOfSite && (el.side === "l")) ||
-        (!rightOfSite && (el.side === "r"))) {
-        return null;
-      }
-      return {
-        x: xint,
-        y: yint
-      };
-    },
-
-    rightOf: function(he, p) {
-      var e = he.edge,
-          topsite = e.region.r,
-          rightOfSite = (p.x > topsite.x);
-
-      if (rightOfSite && (he.side === "l")) {
-        return 1;
-      }
-      if (!rightOfSite && (he.side === "r")) {
-        return 0;
-      }
-      if (e.a === 1) {
-        var dyp = p.y - topsite.y,
-            dxp = p.x - topsite.x,
-            fast = 0,
-            above = 0;
-
-        if ((!rightOfSite && (e.b < 0)) ||
-          (rightOfSite && (e.b >= 0))) {
-          above = fast = (dyp >= e.b * dxp);
+    };
+    var Geom = {
+      bisect: function(s1, s2) {
+        var newEdge = {
+          region: {
+            l: s1,
+            r: s2
+          },
+          ep: {
+            l: null,
+            r: null
+          }
+        };
+        var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
+        newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5;
+        if (adx > ady) {
+          newEdge.a = 1;
+          newEdge.b = dy / dx;
+          newEdge.c /= dx;
         } else {
-          above = ((p.x + p.y * e.b) > e.c);
-          if (e.b < 0) {
-            above = !above;
-          }
-          if (!above) {
-            fast = 1;
-          }
+          newEdge.b = 1;
+          newEdge.a = dx / dy;
+          newEdge.c /= dy;
         }
-        if (!fast) {
-          var dxs = topsite.x - e.region.l.x;
-          above = (e.b * (dxp * dxp - dyp * dyp)) <
-            (dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b));
-
-          if (e.b < 0) {
-            above = !above;
-          }
+        return newEdge;
+      },
+      intersect: function(el1, el2) {
+        var e1 = el1.edge, e2 = el2.edge;
+        if (!e1 || !e2 || e1.region.r == e2.region.r) {
+          return null;
         }
-      } else /* e.b == 1 */ {
-        var yl = e.c - e.a * p.x,
-            t1 = p.y - yl,
-            t2 = p.x - topsite.x,
-            t3 = yl - topsite.y;
-
-        above = (t1 * t1) > (t2 * t2 + t3 * t3);
-      }
-      return he.side === "l" ? above : !above;
-    },
-
-    endPoint: function(edge, side, site) {
-      edge.ep[side] = site;
-      if (!edge.ep[d3_voronoi_opposite[side]]) return;
-      callback(edge);
-    },
-
-    distance: function(s, t) {
-      var dx = s.x - t.x,
-          dy = s.y - t.y;
-      return Math.sqrt(dx * dx + dy * dy);
-    }
-  };
-
-  var EventQueue = {
-    list: [],
-
-    insert: function(he, site, offset) {
-      he.vertex = site;
-      he.ystar = site.y + offset;
-      for (var i=0, list=EventQueue.list, l=list.length; i<l; i++) {
-        var next = list[i];
-        if (he.ystar > next.ystar ||
-          (he.ystar == next.ystar &&
-          site.x > next.vertex.x)) {
-          continue;
+        var d = e1.a * e2.b - e1.b * e2.a;
+        if (Math.abs(d) < 1e-10) {
+          return null;
+        }
+        var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
+        if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
+          el = el1;
+          e = e1;
         } else {
-          break;
+          el = el2;
+          e = e2;
         }
+        var rightOfSite = xint >= e.region.r.x;
+        if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") {
+          return null;
+        }
+        return {
+          x: xint,
+          y: yint
+        };
+      },
+      rightOf: function(he, p) {
+        var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
+        if (rightOfSite && he.side === "l") {
+          return 1;
+        }
+        if (!rightOfSite && he.side === "r") {
+          return 0;
+        }
+        if (e.a === 1) {
+          var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
+          if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
+            above = fast = dyp >= e.b * dxp;
+          } else {
+            above = p.x + p.y * e.b > e.c;
+            if (e.b < 0) {
+              above = !above;
+            }
+            if (!above) {
+              fast = 1;
+            }
+          }
+          if (!fast) {
+            var dxs = topsite.x - e.region.l.x;
+            above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
+            if (e.b < 0) {
+              above = !above;
+            }
+          }
+        } else {
+          var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
+          above = t1 * t1 > t2 * t2 + t3 * t3;
+        }
+        return he.side === "l" ? above : !above;
+      },
+      endPoint: function(edge, side, site) {
+        edge.ep[side] = site;
+        if (!edge.ep[d3_geom_voronoiOpposite[side]]) return;
+        callback(edge);
+      },
+      distance: function(s, t) {
+        var dx = s.x - t.x, dy = s.y - t.y;
+        return Math.sqrt(dx * dx + dy * dy);
       }
-      list.splice(i, 0, he);
-    },
-
-    del: function(he) {
-      for (var i=0, ls=EventQueue.list, l=ls.length; i<l && (ls[i] != he); ++i) {}
-      ls.splice(i, 1);
-    },
-
-    empty: function() { return EventQueue.list.length === 0; },
-
-    nextEvent: function(he) {
-      for (var i=0, ls=EventQueue.list, l=ls.length; i<l; ++i) {
-        if (ls[i] == he) return ls[i+1];
+    };
+    var EventQueue = {
+      list: [],
+      insert: function(he, site, offset) {
+        he.vertex = site;
+        he.ystar = site.y + offset;
+        for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
+          var next = list[i];
+          if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
+            continue;
+          } else {
+            break;
+          }
+        }
+        list.splice(i, 0, he);
+      },
+      del: function(he) {
+        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {}
+        ls.splice(i, 1);
+      },
+      empty: function() {
+        return EventQueue.list.length === 0;
+      },
+      nextEvent: function(he) {
+        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
+          if (ls[i] == he) return ls[i + 1];
+        }
+        return null;
+      },
+      min: function() {
+        var elem = EventQueue.list[0];
+        return {
+          x: elem.vertex.x,
+          y: elem.ystar
+        };
+      },
+      extractMin: function() {
+        return EventQueue.list.shift();
+      }
+    };
+    EdgeList.init();
+    Sites.bottomSite = Sites.list.shift();
+    var newSite = Sites.list.shift(), newIntStar;
+    var lbnd, rbnd, llbnd, rrbnd, bisector;
+    var bot, top, temp, p, v;
+    var e, pm;
+    while (true) {
+      if (!EventQueue.empty()) {
+        newIntStar = EventQueue.min();
+      }
+      if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
+        lbnd = EdgeList.leftBound(newSite);
+        rbnd = EdgeList.right(lbnd);
+        bot = EdgeList.rightRegion(lbnd);
+        e = Geom.bisect(bot, newSite);
+        bisector = EdgeList.createHalfEdge(e, "l");
+        EdgeList.insert(lbnd, bisector);
+        p = Geom.intersect(lbnd, bisector);
+        if (p) {
+          EventQueue.del(lbnd);
+          EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
+        }
+        lbnd = bisector;
+        bisector = EdgeList.createHalfEdge(e, "r");
+        EdgeList.insert(lbnd, bisector);
+        p = Geom.intersect(bisector, rbnd);
+        if (p) {
+          EventQueue.insert(bisector, p, Geom.distance(p, newSite));
+        }
+        newSite = Sites.list.shift();
+      } else if (!EventQueue.empty()) {
+        lbnd = EventQueue.extractMin();
+        llbnd = EdgeList.left(lbnd);
+        rbnd = EdgeList.right(lbnd);
+        rrbnd = EdgeList.right(rbnd);
+        bot = EdgeList.leftRegion(lbnd);
+        top = EdgeList.rightRegion(rbnd);
+        v = lbnd.vertex;
+        Geom.endPoint(lbnd.edge, lbnd.side, v);
+        Geom.endPoint(rbnd.edge, rbnd.side, v);
+        EdgeList.del(lbnd);
+        EventQueue.del(rbnd);
+        EdgeList.del(rbnd);
+        pm = "l";
+        if (bot.y > top.y) {
+          temp = bot;
+          bot = top;
+          top = temp;
+          pm = "r";
+        }
+        e = Geom.bisect(bot, top);
+        bisector = EdgeList.createHalfEdge(e, pm);
+        EdgeList.insert(llbnd, bisector);
+        Geom.endPoint(e, d3_geom_voronoiOpposite[pm], v);
+        p = Geom.intersect(llbnd, bisector);
+        if (p) {
+          EventQueue.del(llbnd);
+          EventQueue.insert(llbnd, p, Geom.distance(p, bot));
+        }
+        p = Geom.intersect(bisector, rrbnd);
+        if (p) {
+          EventQueue.insert(bisector, p, Geom.distance(p, bot));
+        }
+      } else {
+        break;
       }
-      return null;
-    },
-
-    min: function() {
-      var elem = EventQueue.list[0];
-      return {
-        x: elem.vertex.x,
-        y: elem.ystar
-      };
-    },
-
-    extractMin: function() {
-      return EventQueue.list.shift();
     }
-  };
-
-  EdgeList.init();
-  Sites.bottomSite = Sites.list.shift();
-
-  var newSite = Sites.list.shift(), newIntStar;
-  var lbnd, rbnd, llbnd, rrbnd, bisector;
-  var bot, top, temp, p, v;
-  var e, pm;
-
-  while (true) {
-    if (!EventQueue.empty()) {
-      newIntStar = EventQueue.min();
+    for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
+      callback(lbnd.edge);
     }
-    if (newSite && (EventQueue.empty()
-      || newSite.y < newIntStar.y
-      || (newSite.y == newIntStar.y
-      && newSite.x < newIntStar.x))) { //new site is smallest
-      lbnd = EdgeList.leftBound(newSite);
-      rbnd = EdgeList.right(lbnd);
-      bot = EdgeList.rightRegion(lbnd);
-      e = Geom.bisect(bot, newSite);
-      bisector = EdgeList.createHalfEdge(e, "l");
-      EdgeList.insert(lbnd, bisector);
-      p = Geom.intersect(lbnd, bisector);
-      if (p) {
-        EventQueue.del(lbnd);
-        EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
-      }
-      lbnd = bisector;
-      bisector = EdgeList.createHalfEdge(e, "r");
-      EdgeList.insert(lbnd, bisector);
-      p = Geom.intersect(bisector, rbnd);
-      if (p) {
-        EventQueue.insert(bisector, p, Geom.distance(p, newSite));
-      }
-      newSite = Sites.list.shift();
-    } else if (!EventQueue.empty()) { //intersection is smallest
-      lbnd = EventQueue.extractMin();
-      llbnd = EdgeList.left(lbnd);
-      rbnd = EdgeList.right(lbnd);
-      rrbnd = EdgeList.right(rbnd);
-      bot = EdgeList.leftRegion(lbnd);
-      top = EdgeList.rightRegion(rbnd);
-      v = lbnd.vertex;
-      Geom.endPoint(lbnd.edge, lbnd.side, v);
-      Geom.endPoint(rbnd.edge, rbnd.side, v);
-      EdgeList.del(lbnd);
-      EventQueue.del(rbnd);
-      EdgeList.del(rbnd);
-      pm = "l";
-      if (bot.y > top.y) {
-        temp = bot;
-        bot = top;
-        top = temp;
-        pm = "r";
-      }
-      e = Geom.bisect(bot, top);
-      bisector = EdgeList.createHalfEdge(e, pm);
-      EdgeList.insert(llbnd, bisector);
-      Geom.endPoint(e, d3_voronoi_opposite[pm], v);
-      p = Geom.intersect(llbnd, bisector);
-      if (p) {
-        EventQueue.del(llbnd);
-        EventQueue.insert(llbnd, p, Geom.distance(p, bot));
-      }
-      p = Geom.intersect(bisector, rrbnd);
-      if (p) {
-        EventQueue.insert(bisector, p, Geom.distance(p, bot));
-      }
-    } else {
-      break;
-    }
-  }//end while
-
-  for (lbnd = EdgeList.right(EdgeList.leftEnd);
-      lbnd != EdgeList.rightEnd;
-      lbnd = EdgeList.right(lbnd)) {
-    callback(lbnd.edge);
   }
-}
-/**
-* @param vertices [[x1, y1], [x2, y2], …]
-* @returns triangles [[[x1, y1], [x2, y2], [x3, y3]], …]
- */
-d3.geom.delaunay = function(vertices) {
-  var edges = vertices.map(function() { return []; }),
-      triangles = [];
-
-  // Use the Voronoi tessellation to determine Delaunay edges.
-  d3_voronoi_tessellate(vertices, function(e) {
-    edges[e.region.l.index].push(vertices[e.region.r.index]);
-  });
-
-  // Reconnect the edges into counterclockwise triangles.
-  edges.forEach(function(edge, i) {
-    var v = vertices[i],
-        cx = v[0],
-        cy = v[1];
-    edge.forEach(function(v) {
-      v.angle = Math.atan2(v[0] - cx, v[1] - cy);
-    });
-    edge.sort(function(a, b) {
-      return a.angle - b.angle;
-    });
-    for (var j = 0, m = edge.length - 1; j < m; j++) {
-      triangles.push([v, edge[j], edge[j + 1]]);
+  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+    var x = d3_svg_lineX, y = d3_svg_lineY, compat;
+    if (compat = arguments.length) {
+      x = d3_geom_quadtreeCompatX;
+      y = d3_geom_quadtreeCompatY;
+      if (compat === 3) {
+        y2 = y1;
+        x2 = x1;
+        y1 = x1 = 0;
+      }
+      return quadtree(points);
+    }
+    function quadtree(data) {
+      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
+      if (x1 != null) {
+        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
+      } else {
+        x2_ = y2_ = -(x1_ = y1_ = Infinity);
+        xs = [], ys = [];
+        n = data.length;
+        if (compat) for (i = 0; i < n; ++i) {
+          d = data[i];
+          if (d.x < x1_) x1_ = d.x;
+          if (d.y < y1_) y1_ = d.y;
+          if (d.x > x2_) x2_ = d.x;
+          if (d.y > y2_) y2_ = d.y;
+          xs.push(d.x);
+          ys.push(d.y);
+        } else for (i = 0; i < n; ++i) {
+          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
+          if (x_ < x1_) x1_ = x_;
+          if (y_ < y1_) y1_ = y_;
+          if (x_ > x2_) x2_ = x_;
+          if (y_ > y2_) y2_ = y_;
+          xs.push(x_);
+          ys.push(y_);
+        }
+      }
+      var dx = x2_ - x1_, dy = y2_ - y1_;
+      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
+      function insert(n, d, x, y, x1, y1, x2, y2) {
+        if (isNaN(x) || isNaN(y)) return;
+        if (n.leaf) {
+          var nx = n.x, ny = n.y;
+          if (nx != null) {
+            if (Math.abs(nx - x) + Math.abs(ny - y) < .01) {
+              insertChild(n, d, x, y, x1, y1, x2, y2);
+            } else {
+              var nPoint = n.point;
+              n.x = n.y = n.point = null;
+              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
+              insertChild(n, d, x, y, x1, y1, x2, y2);
+            }
+          } else {
+            n.x = x, n.y = y, n.point = d;
+          }
+        } else {
+          insertChild(n, d, x, y, x1, y1, x2, y2);
+        }
+      }
+      function insertChild(n, d, x, y, x1, y1, x2, y2) {
+        var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = x >= sx, bottom = y >= sy, i = (bottom << 1) + right;
+        n.leaf = false;
+        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+        if (right) x1 = sx; else x2 = sx;
+        if (bottom) y1 = sy; else y2 = sy;
+        insert(n, d, x, y, x1, y1, x2, y2);
+      }
+      var root = d3_geom_quadtreeNode();
+      root.add = function(d) {
+        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
+      };
+      root.visit = function(f) {
+        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
+      };
+      i = -1;
+      if (x1 == null) {
+        while (++i < n) {
+          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
+        }
+        --i;
+      } else data.forEach(root.add);
+      xs = ys = data = d = null;
+      return root;
+    }
+    quadtree.x = function(_) {
+      return arguments.length ? (x = _, quadtree) : x;
+    };
+    quadtree.y = function(_) {
+      return arguments.length ? (y = _, quadtree) : y;
+    };
+    quadtree.size = function(_) {
+      if (!arguments.length) return x1 == null ? null : [ x2, y2 ];
+      if (_ == null) {
+        x1 = y1 = x2 = y2 = null;
+      } else {
+        x1 = y1 = 0;
+        x2 = +_[0], y2 = +_[1];
+      }
+      return quadtree;
+    };
+    return quadtree;
+  };
+  function d3_geom_quadtreeCompatX(d) {
+    return d.x;
+  }
+  function d3_geom_quadtreeCompatY(d) {
+    return d.y;
+  }
+  function d3_geom_quadtreeNode() {
+    return {
+      leaf: true,
+      nodes: [],
+      point: null,
+      x: null,
+      y: null
+    };
+  }
+  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+    if (!f(node, x1, y1, x2, y2)) {
+      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+    }
+  }
+  d3.interpolateRgb = d3_interpolateRgb;
+  function d3_interpolateRgb(a, b) {
+    a = d3.rgb(a);
+    b = d3.rgb(b);
+    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+    return function(t) {
+      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
+    };
+  }
+  d3.transform = function(string) {
+    var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
+    return (d3.transform = function(string) {
+      g.setAttribute("transform", string);
+      var t = g.transform.baseVal.consolidate();
+      return new d3_transform(t ? t.matrix : d3_transformIdentity);
+    })(string);
+  };
+  function d3_transform(m) {
+    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+    if (r0[0] * r1[1] < r1[0] * r0[1]) {
+      r0[0] *= -1;
+      r0[1] *= -1;
+      kx *= -1;
+      kz *= -1;
+    }
+    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+    this.translate = [ m.e, m.f ];
+    this.scale = [ kx, ky ];
+    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+  }
+  d3_transform.prototype.toString = function() {
+    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+  };
+  function d3_transformDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1];
+  }
+  function d3_transformNormalize(a) {
+    var k = Math.sqrt(d3_transformDot(a, a));
+    if (k) {
+      a[0] /= k;
+      a[1] /= k;
+    }
+    return k;
+  }
+  function d3_transformCombine(a, b, k) {
+    a[0] += k * b[0];
+    a[1] += k * b[1];
+    return a;
+  }
+  var d3_transformIdentity = {
+    a: 1,
+    b: 0,
+    c: 0,
+    d: 1,
+    e: 0,
+    f: 0
+  };
+  d3.interpolateNumber = d3_interpolateNumber;
+  function d3_interpolateNumber(a, b) {
+    b -= a;
+    return function(t) {
+      return a + b * t;
+    };
+  }
+  d3.interpolateTransform = d3_interpolateTransform;
+  function d3_interpolateTransform(a, b) {
+    var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+    if (ta[0] != tb[0] || ta[1] != tb[1]) {
+      s.push("translate(", null, ",", null, ")");
+      q.push({
+        i: 1,
+        x: d3_interpolateNumber(ta[0], tb[0])
+      }, {
+        i: 3,
+        x: d3_interpolateNumber(ta[1], tb[1])
+      });
+    } else if (tb[0] || tb[1]) {
+      s.push("translate(" + tb + ")");
+    } else {
+      s.push("");
+    }
+    if (ra != rb) {
+      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+      q.push({
+        i: s.push(s.pop() + "rotate(", null, ")") - 2,
+        x: d3_interpolateNumber(ra, rb)
+      });
+    } else if (rb) {
+      s.push(s.pop() + "rotate(" + rb + ")");
+    }
+    if (wa != wb) {
+      q.push({
+        i: s.push(s.pop() + "skewX(", null, ")") - 2,
+        x: d3_interpolateNumber(wa, wb)
+      });
+    } else if (wb) {
+      s.push(s.pop() + "skewX(" + wb + ")");
+    }
+    if (ka[0] != kb[0] || ka[1] != kb[1]) {
+      n = s.push(s.pop() + "scale(", null, ",", null, ")");
+      q.push({
+        i: n - 4,
+        x: d3_interpolateNumber(ka[0], kb[0])
+      }, {
+        i: n - 2,
+        x: d3_interpolateNumber(ka[1], kb[1])
+      });
+    } else if (kb[0] != 1 || kb[1] != 1) {
+      s.push(s.pop() + "scale(" + kb + ")");
+    }
+    n = q.length;
+    return function(t) {
+      var i = -1, o;
+      while (++i < n) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  }
+  d3.interpolateObject = d3_interpolateObject;
+  function d3_interpolateObject(a, b) {
+    var i = {}, c = {}, k;
+    for (k in a) {
+      if (k in b) {
+        i[k] = d3_interpolateByName(k)(a[k], b[k]);
+      } else {
+        c[k] = a[k];
+      }
+    }
+    for (k in b) {
+      if (!(k in a)) {
+        c[k] = b[k];
+      }
+    }
+    return function(t) {
+      for (k in i) c[k] = i[k](t);
+      return c;
+    };
+  }
+  d3.interpolateString = d3_interpolateString;
+  function d3_interpolateString(a, b) {
+    var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
+    d3_interpolate_number.lastIndex = 0;
+    for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
+      if (m.index) s.push(b.substring(s0, s1 = m.index));
+      q.push({
+        i: s.length,
+        x: m[0]
+      });
+      s.push(null);
+      s0 = d3_interpolate_number.lastIndex;
+    }
+    if (s0 < b.length) s.push(b.substring(s0));
+    for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
+      o = q[i];
+      if (o.x == m[0]) {
+        if (o.i) {
+          if (s[o.i + 1] == null) {
+            s[o.i - 1] += o.x;
+            s.splice(o.i, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          } else {
+            s[o.i - 1] += o.x + s[o.i + 1];
+            s.splice(o.i, 2);
+            for (j = i + 1; j < n; ++j) q[j].i -= 2;
+          }
+        } else {
+          if (s[o.i + 1] == null) {
+            s[o.i] = o.x;
+          } else {
+            s[o.i] = o.x + s[o.i + 1];
+            s.splice(o.i + 1, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          }
+        }
+        q.splice(i, 1);
+        n--;
+        i--;
+      } else {
+        o.x = d3_interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
+      }
+    }
+    while (i < n) {
+      o = q.pop();
+      if (s[o.i + 1] == null) {
+        s[o.i] = o.x;
+      } else {
+        s[o.i] = o.x + s[o.i + 1];
+        s.splice(o.i + 1, 1);
+      }
+      n--;
+    }
+    if (s.length === 1) {
+      return s[0] == null ? q[0].x : function() {
+        return b;
+      };
+    }
+    return function(t) {
+      for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  }
+  var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
+  d3.interpolate = d3_interpolate;
+  function d3_interpolate(a, b) {
+    var i = d3.interpolators.length, f;
+    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+    return f;
+  }
+  function d3_interpolateByName(name) {
+    return name == "transform" ? d3_interpolateTransform : d3_interpolate;
+  }
+  d3.interpolators = [ d3_interpolateObject, function(a, b) {
+    return Array.isArray(b) && d3_interpolateArray(a, b);
+  }, function(a, b) {
+    return (typeof a === "string" || typeof b === "string") && d3_interpolateString(a + "", b + "");
+  }, function(a, b) {
+    return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Color) && d3_interpolateRgb(a, b);
+  }, function(a, b) {
+    return !isNaN(a = +a) && !isNaN(b = +b) && d3_interpolateNumber(a, b);
+  } ];
+  d3.interpolateArray = d3_interpolateArray;
+  function d3_interpolateArray(a, b) {
+    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
+    for (;i < na; ++i) c[i] = a[i];
+    for (;i < nb; ++i) c[i] = b[i];
+    return function(t) {
+      for (i = 0; i < n0; ++i) c[i] = x[i](t);
+      return c;
+    };
+  }
+  var d3_ease_default = function() {
+    return d3_identity;
+  };
+  var d3_ease = d3.map({
+    linear: d3_ease_default,
+    poly: d3_ease_poly,
+    quad: function() {
+      return d3_ease_quad;
+    },
+    cubic: function() {
+      return d3_ease_cubic;
+    },
+    sin: function() {
+      return d3_ease_sin;
+    },
+    exp: function() {
+      return d3_ease_exp;
+    },
+    circle: function() {
+      return d3_ease_circle;
+    },
+    elastic: d3_ease_elastic,
+    back: d3_ease_back,
+    bounce: function() {
+      return d3_ease_bounce;
     }
   });
-
-  return triangles;
-};
-// Constructs a new quadtree for the specified array of points. A quadtree is a
-// two-dimensional recursive spatial subdivision. This implementation uses
-// square partitions, dividing each square into four equally-sized squares. Each
-// point exists in a unique node; if multiple points are in the same position,
-// some points may be stored on internal nodes rather than leaf nodes. Quadtrees
-// can be used to accelerate various spatial operations, such as the Barnes-Hut
-// approximation for computing n-body forces, or collision detection.
-d3.geom.quadtree = function(points, x1, y1, x2, y2) {
-  var p,
-      i = -1,
-      n = points.length;
-
-  // Type conversion for deprecated API.
-  if (n && isNaN(points[0].x)) points = points.map(d3_geom_quadtreePoint);
-
-  // Allow bounds to be specified explicitly.
-  if (arguments.length < 5) {
-    if (arguments.length === 3) {
-      y2 = x2 = y1;
-      y1 = x1;
-    } else {
-      x1 = y1 = Infinity;
-      x2 = y2 = -Infinity;
-
-      // Compute bounds.
+  var d3_ease_mode = d3.map({
+    "in": d3_identity,
+    out: d3_ease_reverse,
+    "in-out": d3_ease_reflect,
+    "out-in": function(f) {
+      return d3_ease_reflect(d3_ease_reverse(f));
+    }
+  });
+  d3.ease = function(name) {
+    var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in";
+    t = d3_ease.get(t) || d3_ease_default;
+    m = d3_ease_mode.get(m) || d3_identity;
+    return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
+  };
+  function d3_ease_clamp(f) {
+    return function(t) {
+      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+    };
+  }
+  function d3_ease_reverse(f) {
+    return function(t) {
+      return 1 - f(1 - t);
+    };
+  }
+  function d3_ease_reflect(f) {
+    return function(t) {
+      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+    };
+  }
+  function d3_ease_quad(t) {
+    return t * t;
+  }
+  function d3_ease_cubic(t) {
+    return t * t * t;
+  }
+  function d3_ease_cubicInOut(t) {
+    if (t <= 0) return 0;
+    if (t >= 1) return 1;
+    var t2 = t * t, t3 = t2 * t;
+    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
+  }
+  function d3_ease_poly(e) {
+    return function(t) {
+      return Math.pow(t, e);
+    };
+  }
+  function d3_ease_sin(t) {
+    return 1 - Math.cos(t * π / 2);
+  }
+  function d3_ease_exp(t) {
+    return Math.pow(2, 10 * (t - 1));
+  }
+  function d3_ease_circle(t) {
+    return 1 - Math.sqrt(1 - t * t);
+  }
+  function d3_ease_elastic(a, p) {
+    var s;
+    if (arguments.length < 2) p = .45;
+    if (arguments.length) s = p / (2 * π) * Math.asin(1 / a); else a = 1, s = p / 4;
+    return function(t) {
+      return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * π / p);
+    };
+  }
+  function d3_ease_back(s) {
+    if (!s) s = 1.70158;
+    return function(t) {
+      return t * t * ((s + 1) * t - s);
+    };
+  }
+  function d3_ease_bounce(t) {
+    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+  }
+  d3.interpolateHcl = d3_interpolateHcl;
+  function d3_interpolateHcl(a, b) {
+    a = d3.hcl(a);
+    b = d3.hcl(b);
+    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+    if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+    return function(t) {
+      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+    };
+  }
+  d3.interpolateHsl = d3_interpolateHsl;
+  function d3_interpolateHsl(a, b) {
+    a = d3.hsl(a);
+    b = d3.hsl(b);
+    var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
+    if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360;
+    return function(t) {
+      return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + "";
+    };
+  }
+  d3.interpolateLab = d3_interpolateLab;
+  function d3_interpolateLab(a, b) {
+    a = d3.lab(a);
+    b = d3.lab(b);
+    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+    return function(t) {
+      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+    };
+  }
+  d3.interpolateRound = d3_interpolateRound;
+  function d3_interpolateRound(a, b) {
+    b -= a;
+    return function(t) {
+      return Math.round(a + b * t);
+    };
+  }
+  function d3_uninterpolateNumber(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return (x - a) * b;
+    };
+  }
+  function d3_uninterpolateClamp(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return Math.max(0, Math.min(1, (x - a) * b));
+    };
+  }
+  d3.layout = {};
+  d3.layout.bundle = function() {
+    return function(links) {
+      var paths = [], i = -1, n = links.length;
+      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+      return paths;
+    };
+  };
+  function d3_layout_bundlePath(link) {
+    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+    while (start !== lca) {
+      start = start.parent;
+      points.push(start);
+    }
+    var k = points.length;
+    while (end !== lca) {
+      points.splice(k, 0, end);
+      end = end.parent;
+    }
+    return points;
+  }
+  function d3_layout_bundleAncestors(node) {
+    var ancestors = [], parent = node.parent;
+    while (parent != null) {
+      ancestors.push(node);
+      node = parent;
+      parent = parent.parent;
+    }
+    ancestors.push(node);
+    return ancestors;
+  }
+  function d3_layout_bundleLeastCommonAncestor(a, b) {
+    if (a === b) return a;
+    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+    while (aNode === bNode) {
+      sharedNode = aNode;
+      aNode = aNodes.pop();
+      bNode = bNodes.pop();
+    }
+    return sharedNode;
+  }
+  d3.layout.chord = function() {
+    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+    function relayout() {
+      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+      chords = [];
+      groups = [];
+      k = 0, i = -1;
       while (++i < n) {
-        p = points[i];
-        if (p.x < x1) x1 = p.x;
-        if (p.y < y1) y1 = p.y;
-        if (p.x > x2) x2 = p.x;
-        if (p.y > y2) y2 = p.y;
+        x = 0, j = -1;
+        while (++j < n) {
+          x += matrix[i][j];
+        }
+        groupSums.push(x);
+        subgroupIndex.push(d3.range(n));
+        k += x;
       }
-
-      // Squarify the bounds.
-      var dx = x2 - x1,
-          dy = y2 - y1;
-      if (dx > dy) y2 = y1 + dx;
-      else x2 = x1 + dy;
+      if (sortGroups) {
+        groupIndex.sort(function(a, b) {
+          return sortGroups(groupSums[a], groupSums[b]);
+        });
+      }
+      if (sortSubgroups) {
+        subgroupIndex.forEach(function(d, i) {
+          d.sort(function(a, b) {
+            return sortSubgroups(matrix[i][a], matrix[i][b]);
+          });
+        });
+      }
+      k = (2 * π - padding * n) / k;
+      x = 0, i = -1;
+      while (++i < n) {
+        x0 = x, j = -1;
+        while (++j < n) {
+          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+          subgroups[di + "-" + dj] = {
+            index: di,
+            subindex: dj,
+            startAngle: a0,
+            endAngle: a1,
+            value: v
+          };
+        }
+        groups[di] = {
+          index: di,
+          startAngle: x0,
+          endAngle: x,
+          value: (x - x0) / k
+        };
+        x += padding;
+      }
+      i = -1;
+      while (++i < n) {
+        j = i - 1;
+        while (++j < n) {
+          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+          if (source.value || target.value) {
+            chords.push(source.value < target.value ? {
+              source: target,
+              target: source
+            } : {
+              source: source,
+              target: target
+            });
+          }
+        }
+      }
+      if (sortChords) resort();
+    }
+    function resort() {
+      chords.sort(function(a, b) {
+        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+      });
+    }
+    chord.matrix = function(x) {
+      if (!arguments.length) return matrix;
+      n = (matrix = x) && matrix.length;
+      chords = groups = null;
+      return chord;
+    };
+    chord.padding = function(x) {
+      if (!arguments.length) return padding;
+      padding = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortGroups = function(x) {
+      if (!arguments.length) return sortGroups;
+      sortGroups = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortSubgroups = function(x) {
+      if (!arguments.length) return sortSubgroups;
+      sortSubgroups = x;
+      chords = null;
+      return chord;
+    };
+    chord.sortChords = function(x) {
+      if (!arguments.length) return sortChords;
+      sortChords = x;
+      if (chords) resort();
+      return chord;
+    };
+    chord.chords = function() {
+      if (!chords) relayout();
+      return chords;
+    };
+    chord.groups = function() {
+      if (!groups) relayout();
+      return groups;
+    };
+    return chord;
+  };
+  d3.layout.force = function() {
+    var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, gravity = .1, theta = .8, nodes = [], links = [], distances, strengths, charges;
+    function repulse(node) {
+      return function(quad, x1, _, x2) {
+        if (quad.point !== node) {
+          var dx = quad.cx - node.x, dy = quad.cy - node.y, dn = 1 / Math.sqrt(dx * dx + dy * dy);
+          if ((x2 - x1) * dn < theta) {
+            var k = quad.charge * dn * dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+            return true;
+          }
+          if (quad.point && isFinite(dn)) {
+            var k = quad.pointCharge * dn * dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+          }
+        }
+        return !quad.charge;
+      };
+    }
+    force.tick = function() {
+      if ((alpha *= .99) < .005) {
+        event.end({
+          type: "end",
+          alpha: alpha = 0
+        });
+        return true;
+      }
+      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        s = o.source;
+        t = o.target;
+        x = t.x - s.x;
+        y = t.y - s.y;
+        if (l = x * x + y * y) {
+          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+          x *= l;
+          y *= l;
+          t.x -= x * (k = s.weight / (t.weight + s.weight));
+          t.y -= y * k;
+          s.x += x * (k = 1 - k);
+          s.y += y * k;
+        }
+      }
+      if (k = alpha * gravity) {
+        x = size[0] / 2;
+        y = size[1] / 2;
+        i = -1;
+        if (k) while (++i < n) {
+          o = nodes[i];
+          o.x += (x - o.x) * k;
+          o.y += (y - o.y) * k;
+        }
+      }
+      if (charge) {
+        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+        i = -1;
+        while (++i < n) {
+          if (!(o = nodes[i]).fixed) {
+            q.visit(repulse(o));
+          }
+        }
+      }
+      i = -1;
+      while (++i < n) {
+        o = nodes[i];
+        if (o.fixed) {
+          o.x = o.px;
+          o.y = o.py;
+        } else {
+          o.x -= (o.px - (o.px = o.x)) * friction;
+          o.y -= (o.py - (o.py = o.y)) * friction;
+        }
+      }
+      event.tick({
+        type: "tick",
+        alpha: alpha
+      });
+    };
+    force.nodes = function(x) {
+      if (!arguments.length) return nodes;
+      nodes = x;
+      return force;
+    };
+    force.links = function(x) {
+      if (!arguments.length) return links;
+      links = x;
+      return force;
+    };
+    force.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return force;
+    };
+    force.linkDistance = function(x) {
+      if (!arguments.length) return linkDistance;
+      linkDistance = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.distance = force.linkDistance;
+    force.linkStrength = function(x) {
+      if (!arguments.length) return linkStrength;
+      linkStrength = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.friction = function(x) {
+      if (!arguments.length) return friction;
+      friction = +x;
+      return force;
+    };
+    force.charge = function(x) {
+      if (!arguments.length) return charge;
+      charge = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.gravity = function(x) {
+      if (!arguments.length) return gravity;
+      gravity = +x;
+      return force;
+    };
+    force.theta = function(x) {
+      if (!arguments.length) return theta;
+      theta = +x;
+      return force;
+    };
+    force.alpha = function(x) {
+      if (!arguments.length) return alpha;
+      x = +x;
+      if (alpha) {
+        if (x > 0) alpha = x; else alpha = 0;
+      } else if (x > 0) {
+        event.start({
+          type: "start",
+          alpha: alpha = x
+        });
+        d3.timer(force.tick);
+      }
+      return force;
+    };
+    force.start = function() {
+      var i, j, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+      for (i = 0; i < n; ++i) {
+        (o = nodes[i]).index = i;
+        o.weight = 0;
+      }
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        if (typeof o.source == "number") o.source = nodes[o.source];
+        if (typeof o.target == "number") o.target = nodes[o.target];
+        ++o.source.weight;
+        ++o.target.weight;
+      }
+      for (i = 0; i < n; ++i) {
+        o = nodes[i];
+        if (isNaN(o.x)) o.x = position("x", w);
+        if (isNaN(o.y)) o.y = position("y", h);
+        if (isNaN(o.px)) o.px = o.x;
+        if (isNaN(o.py)) o.py = o.y;
+      }
+      distances = [];
+      if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
+      strengths = [];
+      if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
+      charges = [];
+      if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
+      function position(dimension, size) {
+        var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
+        while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
+        return Math.random() * size;
+      }
+      function neighbor() {
+        if (!neighbors) {
+          neighbors = [];
+          for (j = 0; j < n; ++j) {
+            neighbors[j] = [];
+          }
+          for (j = 0; j < m; ++j) {
+            var o = links[j];
+            neighbors[o.source.index].push(o.target);
+            neighbors[o.target.index].push(o.source);
+          }
+        }
+        return neighbors[i];
+      }
+      return force.resume();
+    };
+    force.resume = function() {
+      return force.alpha(.1);
+    };
+    force.stop = function() {
+      return force.alpha(0);
+    };
+    force.drag = function() {
+      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
+      if (!arguments.length) return drag;
+      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+    };
+    function dragmove(d) {
+      d.px = d3.event.x, d.py = d3.event.y;
+      force.resume();
+    }
+    return d3.rebind(force, event, "on");
+  };
+  function d3_layout_forceDragstart(d) {
+    d.fixed |= 2;
+  }
+  function d3_layout_forceDragend(d) {
+    d.fixed &= ~6;
+  }
+  function d3_layout_forceMouseover(d) {
+    d.fixed |= 4;
+    d.px = d.x, d.py = d.y;
+  }
+  function d3_layout_forceMouseout(d) {
+    d.fixed &= ~4;
+  }
+  function d3_layout_forceAccumulate(quad, alpha, charges) {
+    var cx = 0, cy = 0;
+    quad.charge = 0;
+    if (!quad.leaf) {
+      var nodes = quad.nodes, n = nodes.length, i = -1, c;
+      while (++i < n) {
+        c = nodes[i];
+        if (c == null) continue;
+        d3_layout_forceAccumulate(c, alpha, charges);
+        quad.charge += c.charge;
+        cx += c.charge * c.cx;
+        cy += c.charge * c.cy;
+      }
+    }
+    if (quad.point) {
+      if (!quad.leaf) {
+        quad.point.x += Math.random() - .5;
+        quad.point.y += Math.random() - .5;
+      }
+      var k = alpha * charges[quad.point.index];
+      quad.charge += quad.pointCharge = k;
+      cx += k * quad.point.x;
+      cy += k * quad.point.y;
+    }
+    quad.cx = cx / quad.charge;
+    quad.cy = cy / quad.charge;
+  }
+  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1;
+  d3.layout.hierarchy = function() {
+    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+    function recurse(node, depth, nodes) {
+      var childs = children.call(hierarchy, node, depth);
+      node.depth = depth;
+      nodes.push(node);
+      if (childs && (n = childs.length)) {
+        var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d;
+        while (++i < n) {
+          d = recurse(childs[i], j, nodes);
+          d.parent = node;
+          c.push(d);
+          v += d.value;
+        }
+        if (sort) c.sort(sort);
+        if (value) node.value = v;
+      } else if (value) {
+        node.value = +value.call(hierarchy, node, depth) || 0;
+      }
+      return node;
+    }
+    function revalue(node, depth) {
+      var children = node.children, v = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n, j = depth + 1;
+        while (++i < n) v += revalue(children[i], j);
+      } else if (value) {
+        v = +value.call(hierarchy, node, depth) || 0;
+      }
+      if (value) node.value = v;
+      return v;
+    }
+    function hierarchy(d) {
+      var nodes = [];
+      recurse(d, 0, nodes);
+      return nodes;
+    }
+    hierarchy.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return hierarchy;
+    };
+    hierarchy.children = function(x) {
+      if (!arguments.length) return children;
+      children = x;
+      return hierarchy;
+    };
+    hierarchy.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return hierarchy;
+    };
+    hierarchy.revalue = function(root) {
+      revalue(root, 0);
+      return root;
+    };
+    return hierarchy;
+  };
+  function d3_layout_hierarchyRebind(object, hierarchy) {
+    d3.rebind(object, hierarchy, "sort", "children", "value");
+    object.nodes = object;
+    object.links = d3_layout_hierarchyLinks;
+    return object;
+  }
+  function d3_layout_hierarchyChildren(d) {
+    return d.children;
+  }
+  function d3_layout_hierarchyValue(d) {
+    return d.value;
+  }
+  function d3_layout_hierarchySort(a, b) {
+    return b.value - a.value;
+  }
+  function d3_layout_hierarchyLinks(nodes) {
+    return d3.merge(nodes.map(function(parent) {
+      return (parent.children || []).map(function(child) {
+        return {
+          source: parent,
+          target: child
+        };
+      });
+    }));
+  }
+  d3.layout.partition = function() {
+    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+    function position(node, x, dx, dy) {
+      var children = node.children;
+      node.x = x;
+      node.y = node.depth * dy;
+      node.dx = dx;
+      node.dy = dy;
+      if (children && (n = children.length)) {
+        var i = -1, n, c, d;
+        dx = node.value ? dx / node.value : 0;
+        while (++i < n) {
+          position(c = children[i], x, d = c.value * dx, dy);
+          x += d;
+        }
+      }
+    }
+    function depth(node) {
+      var children = node.children, d = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n;
+        while (++i < n) d = Math.max(d, depth(children[i]));
+      }
+      return 1 + d;
+    }
+    function partition(d, i) {
+      var nodes = hierarchy.call(this, d, i);
+      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+      return nodes;
+    }
+    partition.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return partition;
+    };
+    return d3_layout_hierarchyRebind(partition, hierarchy);
+  };
+  d3.layout.pie = function() {
+    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = 2 * π;
+    function pie(data) {
+      var values = data.map(function(d, i) {
+        return +value.call(pie, d, i);
+      });
+      var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle);
+      var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a) / d3.sum(values);
+      var index = d3.range(data.length);
+      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+        return values[j] - values[i];
+      } : function(i, j) {
+        return sort(data[i], data[j]);
+      });
+      var arcs = [];
+      index.forEach(function(i) {
+        var d;
+        arcs[i] = {
+          data: data[i],
+          value: d = values[i],
+          startAngle: a,
+          endAngle: a += d * k
+        };
+      });
+      return arcs;
+    }
+    pie.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return pie;
+    };
+    pie.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return pie;
+    };
+    pie.startAngle = function(x) {
+      if (!arguments.length) return startAngle;
+      startAngle = x;
+      return pie;
+    };
+    pie.endAngle = function(x) {
+      if (!arguments.length) return endAngle;
+      endAngle = x;
+      return pie;
+    };
+    return pie;
+  };
+  var d3_layout_pieSortByValue = {};
+  d3.layout.stack = function() {
+    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+    function stack(data, index) {
+      var series = data.map(function(d, i) {
+        return values.call(stack, d, i);
+      });
+      var points = series.map(function(d) {
+        return d.map(function(v, i) {
+          return [ x.call(stack, v, i), y.call(stack, v, i) ];
+        });
+      });
+      var orders = order.call(stack, points, index);
+      series = d3.permute(series, orders);
+      points = d3.permute(points, orders);
+      var offsets = offset.call(stack, points, index);
+      var n = series.length, m = series[0].length, i, j, o;
+      for (j = 0; j < m; ++j) {
+        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+        for (i = 1; i < n; ++i) {
+          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+        }
+      }
+      return data;
+    }
+    stack.values = function(x) {
+      if (!arguments.length) return values;
+      values = x;
+      return stack;
+    };
+    stack.order = function(x) {
+      if (!arguments.length) return order;
+      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+      return stack;
+    };
+    stack.offset = function(x) {
+      if (!arguments.length) return offset;
+      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+      return stack;
+    };
+    stack.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      return stack;
+    };
+    stack.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      return stack;
+    };
+    stack.out = function(z) {
+      if (!arguments.length) return out;
+      out = z;
+      return stack;
+    };
+    return stack;
+  };
+  function d3_layout_stackX(d) {
+    return d.x;
+  }
+  function d3_layout_stackY(d) {
+    return d.y;
+  }
+  function d3_layout_stackOut(d, y0, y) {
+    d.y0 = y0;
+    d.y = y;
+  }
+  var d3_layout_stackOrders = d3.map({
+    "inside-out": function(data) {
+      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
+        return max[a] - max[b];
+      }), top = 0, bottom = 0, tops = [], bottoms = [];
+      for (i = 0; i < n; ++i) {
+        j = index[i];
+        if (top < bottom) {
+          top += sums[j];
+          tops.push(j);
+        } else {
+          bottom += sums[j];
+          bottoms.push(j);
+        }
+      }
+      return bottoms.reverse().concat(tops);
+    },
+    reverse: function(data) {
+      return d3.range(data.length).reverse();
+    },
+    "default": d3_layout_stackOrderDefault
+  });
+  var d3_layout_stackOffsets = d3.map({
+    silhouette: function(data) {
+      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o > max) max = o;
+        sums.push(o);
+      }
+      for (j = 0; j < m; ++j) {
+        y0[j] = (max - sums[j]) / 2;
+      }
+      return y0;
+    },
+    wiggle: function(data) {
+      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+      y0[0] = o = o0 = 0;
+      for (j = 1; j < m; ++j) {
+        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+          }
+          s2 += s3 * data[i][j][1];
+        }
+        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+        if (o < o0) o0 = o;
+      }
+      for (j = 0; j < m; ++j) y0[j] -= o0;
+      return y0;
+    },
+    expand: function(data) {
+      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
+      }
+      for (j = 0; j < m; ++j) y0[j] = 0;
+      return y0;
+    },
+    zero: d3_layout_stackOffsetZero
+  });
+  function d3_layout_stackOrderDefault(data) {
+    return d3.range(data.length);
+  }
+  function d3_layout_stackOffsetZero(data) {
+    var j = -1, m = data[0].length, y0 = [];
+    while (++j < m) y0[j] = 0;
+    return y0;
+  }
+  function d3_layout_stackMaxIndex(array) {
+    var i = 1, j = 0, v = array[0][1], k, n = array.length;
+    for (;i < n; ++i) {
+      if ((k = array[i][1]) > v) {
+        j = i;
+        v = k;
+      }
+    }
+    return j;
+  }
+  function d3_layout_stackReduceSum(d) {
+    return d.reduce(d3_layout_stackSum, 0);
+  }
+  function d3_layout_stackSum(p, d) {
+    return p + d[1];
+  }
+  d3.layout.histogram = function() {
+    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+    function histogram(data, i) {
+      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
+      while (++i < m) {
+        bin = bins[i] = [];
+        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+        bin.y = 0;
+      }
+      if (m > 0) {
+        i = -1;
+        while (++i < n) {
+          x = values[i];
+          if (x >= range[0] && x <= range[1]) {
+            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+            bin.y += k;
+            bin.push(data[i]);
+          }
+        }
+      }
+      return bins;
+    }
+    histogram.value = function(x) {
+      if (!arguments.length) return valuer;
+      valuer = x;
+      return histogram;
+    };
+    histogram.range = function(x) {
+      if (!arguments.length) return ranger;
+      ranger = d3_functor(x);
+      return histogram;
+    };
+    histogram.bins = function(x) {
+      if (!arguments.length) return binner;
+      binner = typeof x === "number" ? function(range) {
+        return d3_layout_histogramBinFixed(range, x);
+      } : d3_functor(x);
+      return histogram;
+    };
+    histogram.frequency = function(x) {
+      if (!arguments.length) return frequency;
+      frequency = !!x;
+      return histogram;
+    };
+    return histogram;
+  };
+  function d3_layout_histogramBinSturges(range, values) {
+    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+  }
+  function d3_layout_histogramBinFixed(range, n) {
+    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+    while (++x <= n) f[x] = m * x + b;
+    return f;
+  }
+  function d3_layout_histogramRange(values) {
+    return [ d3.min(values), d3.max(values) ];
+  }
+  d3.layout.tree = function() {
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+    function tree(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      function firstWalk(node, previousSibling) {
+        var children = node.children, layout = node._tree;
+        if (children && (n = children.length)) {
+          var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
+          while (++i < n) {
+            child = children[i];
+            firstWalk(child, previousChild);
+            ancestor = apportion(child, previousChild, ancestor);
+            previousChild = child;
+          }
+          d3_layout_treeShift(node);
+          var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+            layout.mod = layout.prelim - midpoint;
+          } else {
+            layout.prelim = midpoint;
+          }
+        } else {
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+          }
+        }
+      }
+      function secondWalk(node, x) {
+        node.x = node._tree.prelim + x;
+        var children = node.children;
+        if (children && (n = children.length)) {
+          var i = -1, n;
+          x += node._tree.mod;
+          while (++i < n) {
+            secondWalk(children[i], x);
+          }
+        }
+      }
+      function apportion(node, previousSibling, ancestor) {
+        if (previousSibling) {
+          var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift;
+          while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+            vom = d3_layout_treeLeft(vom);
+            vop = d3_layout_treeRight(vop);
+            vop._tree.ancestor = node;
+            shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
+            if (shift > 0) {
+              d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
+              sip += shift;
+              sop += shift;
+            }
+            sim += vim._tree.mod;
+            sip += vip._tree.mod;
+            som += vom._tree.mod;
+            sop += vop._tree.mod;
+          }
+          if (vim && !d3_layout_treeRight(vop)) {
+            vop._tree.thread = vim;
+            vop._tree.mod += sim - sop;
+          }
+          if (vip && !d3_layout_treeLeft(vom)) {
+            vom._tree.thread = vip;
+            vom._tree.mod += sip - som;
+            ancestor = node;
+          }
+        }
+        return ancestor;
+      }
+      d3_layout_treeVisitAfter(root, function(node, previousSibling) {
+        node._tree = {
+          ancestor: node,
+          prelim: 0,
+          mod: 0,
+          change: 0,
+          shift: 0,
+          number: previousSibling ? previousSibling._tree.number + 1 : 0
+        };
+      });
+      firstWalk(root);
+      secondWalk(root, -root._tree.prelim);
+      var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1;
+      d3_layout_treeVisitAfter(root, function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = node.depth / y1 * size[1];
+        delete node._tree;
+      });
+      return nodes;
+    }
+    tree.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return tree;
+    };
+    tree.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return tree;
+    };
+    return d3_layout_hierarchyRebind(tree, hierarchy);
+  };
+  function d3_layout_treeSeparation(a, b) {
+    return a.parent == b.parent ? 1 : 2;
+  }
+  function d3_layout_treeLeft(node) {
+    var children = node.children;
+    return children && children.length ? children[0] : node._tree.thread;
+  }
+  function d3_layout_treeRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? children[n - 1] : node._tree.thread;
+  }
+  function d3_layout_treeSearch(node, compare) {
+    var children = node.children;
+    if (children && (n = children.length)) {
+      var child, n, i = -1;
+      while (++i < n) {
+        if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
+          node = child;
+        }
+      }
+    }
+    return node;
+  }
+  function d3_layout_treeRightmost(a, b) {
+    return a.x - b.x;
+  }
+  function d3_layout_treeLeftmost(a, b) {
+    return b.x - a.x;
+  }
+  function d3_layout_treeDeepest(a, b) {
+    return a.depth - b.depth;
+  }
+  function d3_layout_treeVisitAfter(node, callback) {
+    function visit(node, previousSibling) {
+      var children = node.children;
+      if (children && (n = children.length)) {
+        var child, previousChild = null, i = -1, n;
+        while (++i < n) {
+          child = children[i];
+          visit(child, previousChild);
+          previousChild = child;
+        }
+      }
+      callback(node, previousSibling);
+    }
+    visit(node, null);
+  }
+  function d3_layout_treeShift(node) {
+    var shift = 0, change = 0, children = node.children, i = children.length, child;
+    while (--i >= 0) {
+      child = children[i]._tree;
+      child.prelim += shift;
+      child.mod += shift;
+      shift += child.shift + (change += child.change);
     }
   }
-
-  // Recursively inserts the specified point p at the node n or one of its
-  // descendants. The bounds are defined by [x1, x2] and [y1, y2].
-  function insert(n, p, x1, y1, x2, y2) {
-    if (isNaN(p.x) || isNaN(p.y)) return; // ignore invalid points
-    if (n.leaf) {
-      var v = n.point;
-      if (v) {
-        // If the point at this leaf node is at the same position as the new
-        // point we are adding, we leave the point associated with the
-        // internal node while adding the new point to a child node. This
-        // avoids infinite recursion.
-        if ((Math.abs(v.x - p.x) + Math.abs(v.y - p.y)) < .01) {
-          insertChild(n, p, x1, y1, x2, y2);
+  function d3_layout_treeMove(ancestor, node, shift) {
+    ancestor = ancestor._tree;
+    node = node._tree;
+    var change = shift / (node.number - ancestor.number);
+    ancestor.change += change;
+    node.change -= change;
+    node.shift += shift;
+    node.prelim += shift;
+    node.mod += shift;
+  }
+  function d3_layout_treeAncestor(vim, node, ancestor) {
+    return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
+  }
+  d3.layout.pack = function() {
+    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ];
+    function pack(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      d3_layout_treeVisitAfter(root, function(d) {
+        d.r = Math.sqrt(d.value);
+      });
+      d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+      var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h);
+      if (padding > 0) {
+        var dr = padding * k / 2;
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r += dr;
+        });
+        d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r -= dr;
+        });
+        k = Math.max(2 * root.r / w, 2 * root.r / h);
+      }
+      d3_layout_packTransform(root, w / 2, h / 2, 1 / k);
+      return nodes;
+    }
+    pack.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return pack;
+    };
+    pack.padding = function(_) {
+      if (!arguments.length) return padding;
+      padding = +_;
+      return pack;
+    };
+    return d3_layout_hierarchyRebind(pack, hierarchy);
+  };
+  function d3_layout_packSort(a, b) {
+    return a.value - b.value;
+  }
+  function d3_layout_packInsert(a, b) {
+    var c = a._pack_next;
+    a._pack_next = b;
+    b._pack_prev = a;
+    b._pack_next = c;
+    c._pack_prev = b;
+  }
+  function d3_layout_packSplice(a, b) {
+    a._pack_next = b;
+    b._pack_prev = a;
+  }
+  function d3_layout_packIntersects(a, b) {
+    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+    return dr * dr - dx * dx - dy * dy > .001;
+  }
+  function d3_layout_packSiblings(node) {
+    if (!(nodes = node.children) || !(n = nodes.length)) return;
+    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+    function bound(node) {
+      xMin = Math.min(node.x - node.r, xMin);
+      xMax = Math.max(node.x + node.r, xMax);
+      yMin = Math.min(node.y - node.r, yMin);
+      yMax = Math.max(node.y + node.r, yMax);
+    }
+    nodes.forEach(d3_layout_packLink);
+    a = nodes[0];
+    a.x = -a.r;
+    a.y = 0;
+    bound(a);
+    if (n > 1) {
+      b = nodes[1];
+      b.x = b.r;
+      b.y = 0;
+      bound(b);
+      if (n > 2) {
+        c = nodes[2];
+        d3_layout_packPlace(a, b, c);
+        bound(c);
+        d3_layout_packInsert(a, c);
+        a._pack_prev = c;
+        d3_layout_packInsert(c, b);
+        b = a._pack_next;
+        for (i = 3; i < n; i++) {
+          d3_layout_packPlace(a, b, c = nodes[i]);
+          var isect = 0, s1 = 1, s2 = 1;
+          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+            if (d3_layout_packIntersects(j, c)) {
+              isect = 1;
+              break;
+            }
+          }
+          if (isect == 1) {
+            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+              if (d3_layout_packIntersects(k, c)) {
+                break;
+              }
+            }
+          }
+          if (isect) {
+            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+            i--;
+          } else {
+            d3_layout_packInsert(a, c);
+            b = c;
+            bound(c);
+          }
+        }
+      }
+    }
+    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+    for (i = 0; i < n; i++) {
+      c = nodes[i];
+      c.x -= cx;
+      c.y -= cy;
+      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+    }
+    node.r = cr;
+    nodes.forEach(d3_layout_packUnlink);
+  }
+  function d3_layout_packLink(node) {
+    node._pack_next = node._pack_prev = node;
+  }
+  function d3_layout_packUnlink(node) {
+    delete node._pack_next;
+    delete node._pack_prev;
+  }
+  function d3_layout_packTransform(node, x, y, k) {
+    var children = node.children;
+    node.x = x += k * node.x;
+    node.y = y += k * node.y;
+    node.r *= k;
+    if (children) {
+      var i = -1, n = children.length;
+      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+    }
+  }
+  function d3_layout_packPlace(a, b, c) {
+    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+    if (db && (dx || dy)) {
+      var da = b.r + c.r, dc = dx * dx + dy * dy;
+      da *= da;
+      db *= db;
+      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+      c.x = a.x + x * dx + y * dy;
+      c.y = a.y + x * dy - y * dx;
+    } else {
+      c.x = a.x + db;
+      c.y = a.y;
+    }
+  }
+  d3.layout.cluster = function() {
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+    function cluster(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
+      d3_layout_treeVisitAfter(root, function(node) {
+        var children = node.children;
+        if (children && children.length) {
+          node.x = d3_layout_clusterX(children);
+          node.y = d3_layout_clusterY(children);
         } else {
-          n.point = null;
-          insertChild(n, v, x1, y1, x2, y2);
-          insertChild(n, p, x1, y1, x2, y2);
+          node.x = previousNode ? x += separation(node, previousNode) : 0;
+          node.y = 0;
+          previousNode = node;
+        }
+      });
+      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
+      d3_layout_treeVisitAfter(root, function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+      });
+      return nodes;
+    }
+    cluster.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return cluster;
+    };
+    cluster.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return cluster;
+    };
+    return d3_layout_hierarchyRebind(cluster, hierarchy);
+  };
+  function d3_layout_clusterY(children) {
+    return 1 + d3.max(children, function(child) {
+      return child.y;
+    });
+  }
+  function d3_layout_clusterX(children) {
+    return children.reduce(function(x, child) {
+      return x + child.x;
+    }, 0) / children.length;
+  }
+  function d3_layout_clusterLeft(node) {
+    var children = node.children;
+    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+  }
+  function d3_layout_clusterRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+  }
+  d3.layout.treemap = function() {
+    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
+    function scale(children, k) {
+      var i = -1, n = children.length, child, area;
+      while (++i < n) {
+        area = (child = children[i]).value * (k < 0 ? 0 : k);
+        child.area = isNaN(area) || area <= 0 ? 0 : area;
+      }
+    }
+    function squarify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while ((n = remaining.length) > 0) {
+          row.push(child = remaining[n - 1]);
+          row.area += child.area;
+          if (mode !== "squarify" || (score = worst(row, u)) <= best) {
+            remaining.pop();
+            best = score;
+          } else {
+            row.area -= row.pop().area;
+            position(row, u, rect, false);
+            u = Math.min(rect.dx, rect.dy);
+            row.length = row.area = 0;
+            best = Infinity;
+          }
+        }
+        if (row.length) {
+          position(row, u, rect, true);
+          row.length = row.area = 0;
+        }
+        children.forEach(squarify);
+      }
+    }
+    function stickify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), remaining = children.slice(), child, row = [];
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while (child = remaining.pop()) {
+          row.push(child);
+          row.area += child.area;
+          if (child.z != null) {
+            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+            row.length = row.area = 0;
+          }
+        }
+        children.forEach(stickify);
+      }
+    }
+    function worst(row, u) {
+      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+      while (++i < n) {
+        if (!(r = row[i].area)) continue;
+        if (r < rmin) rmin = r;
+        if (r > rmax) rmax = r;
+      }
+      s *= s;
+      u *= u;
+      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+    }
+    function position(row, u, rect, flush) {
+      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+      if (u == rect.dx) {
+        if (flush || v > rect.dy) v = rect.dy;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dy = v;
+          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+        }
+        o.z = true;
+        o.dx += rect.x + rect.dx - x;
+        rect.y += v;
+        rect.dy -= v;
+      } else {
+        if (flush || v > rect.dx) v = rect.dx;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dx = v;
+          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+        }
+        o.z = false;
+        o.dy += rect.y + rect.dy - y;
+        rect.x += v;
+        rect.dx -= v;
+      }
+    }
+    function treemap(d) {
+      var nodes = stickies || hierarchy(d), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      root.dx = size[0];
+      root.dy = size[1];
+      if (stickies) hierarchy.revalue(root);
+      scale([ root ], root.dx * root.dy / root.value);
+      (stickies ? stickify : squarify)(root);
+      if (sticky) stickies = nodes;
+      return nodes;
+    }
+    treemap.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return treemap;
+    };
+    treemap.padding = function(x) {
+      if (!arguments.length) return padding;
+      function padFunction(node) {
+        var p = x.call(treemap, node, node.depth);
+        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+      }
+      function padConstant(node) {
+        return d3_layout_treemapPad(node, x);
+      }
+      var type;
+      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
+      padConstant) : padConstant;
+      return treemap;
+    };
+    treemap.round = function(x) {
+      if (!arguments.length) return round != Number;
+      round = x ? Math.round : Number;
+      return treemap;
+    };
+    treemap.sticky = function(x) {
+      if (!arguments.length) return sticky;
+      sticky = x;
+      stickies = null;
+      return treemap;
+    };
+    treemap.ratio = function(x) {
+      if (!arguments.length) return ratio;
+      ratio = x;
+      return treemap;
+    };
+    treemap.mode = function(x) {
+      if (!arguments.length) return mode;
+      mode = x + "";
+      return treemap;
+    };
+    return d3_layout_hierarchyRebind(treemap, hierarchy);
+  };
+  function d3_layout_treemapPadNull(node) {
+    return {
+      x: node.x,
+      y: node.y,
+      dx: node.dx,
+      dy: node.dy
+    };
+  }
+  function d3_layout_treemapPad(node, padding) {
+    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
+    if (dx < 0) {
+      x += dx / 2;
+      dx = 0;
+    }
+    if (dy < 0) {
+      y += dy / 2;
+      dy = 0;
+    }
+    return {
+      x: x,
+      y: y,
+      dx: dx,
+      dy: dy
+    };
+  }
+  d3.random = {
+    normal: function(µ, σ) {
+      var n = arguments.length;
+      if (n < 2) σ = 1;
+      if (n < 1) µ = 0;
+      return function() {
+        var x, y, r;
+        do {
+          x = Math.random() * 2 - 1;
+          y = Math.random() * 2 - 1;
+          r = x * x + y * y;
+        } while (!r || r > 1);
+        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+      };
+    },
+    logNormal: function() {
+      var random = d3.random.normal.apply(d3, arguments);
+      return function() {
+        return Math.exp(random());
+      };
+    },
+    irwinHall: function(m) {
+      return function() {
+        for (var s = 0, j = 0; j < m; j++) s += Math.random();
+        return s / m;
+      };
+    }
+  };
+  d3.scale = {};
+  function d3_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_scaleRange(scale) {
+    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+  }
+  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+    return function(x) {
+      return i(u(x));
+    };
+  }
+  function d3_scale_nice(domain, nice) {
+    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+    if (x1 < x0) {
+      dx = i0, i0 = i1, i1 = dx;
+      dx = x0, x0 = x1, x1 = dx;
+    }
+    if (nice = nice(x1 - x0)) {
+      domain[i0] = nice.floor(x0);
+      domain[i1] = nice.ceil(x1);
+    }
+    return domain;
+  }
+  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+    if (domain[k] < domain[0]) {
+      domain = domain.slice().reverse();
+      range = range.slice().reverse();
+    }
+    while (++j <= k) {
+      u.push(uninterpolate(domain[j - 1], domain[j]));
+      i.push(interpolate(range[j - 1], range[j]));
+    }
+    return function(x) {
+      var j = d3.bisect(domain, x, 1, k) - 1;
+      return i[j](u[j](x));
+    };
+  }
+  d3.scale.linear = function() {
+    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
+  };
+  function d3_scale_linear(domain, range, interpolate, clamp) {
+    var output, input;
+    function rescale() {
+      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+      output = linear(domain, range, uninterpolate, interpolate);
+      input = linear(range, domain, uninterpolate, d3_interpolate);
+      return scale;
+    }
+    function scale(x) {
+      return output(x);
+    }
+    scale.invert = function(y) {
+      return input(y);
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(Number);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.rangeRound = function(x) {
+      return scale.range(x).interpolate(d3_interpolateRound);
+    };
+    scale.clamp = function(x) {
+      if (!arguments.length) return clamp;
+      clamp = x;
+      return rescale();
+    };
+    scale.interpolate = function(x) {
+      if (!arguments.length) return interpolate;
+      interpolate = x;
+      return rescale();
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    scale.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    scale.nice = function() {
+      d3_scale_nice(domain, d3_scale_linearNice);
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_linear(domain, range, interpolate, clamp);
+    };
+    return rescale();
+  }
+  function d3_scale_linearRebind(scale, linear) {
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_scale_linearNice(dx) {
+    dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
+    return dx && {
+      floor: function(x) {
+        return Math.floor(x / dx) * dx;
+      },
+      ceil: function(x) {
+        return Math.ceil(x / dx) * dx;
+      }
+    };
+  }
+  function d3_scale_linearTickRange(domain, m) {
+    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
+    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+    extent[0] = Math.ceil(extent[0] / step) * step;
+    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+    extent[2] = step;
+    return extent;
+  }
+  function d3_scale_linearTicks(domain, m) {
+    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+  }
+  function d3_scale_linearTickFormat(domain, m, format) {
+    var precision = -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01);
+    return d3.format(format ? format.replace(d3_format_re, function(a, b, c, d, e, f, g, h, i, j) {
+      return [ b, c, d, e, f, g, h, i || "." + (precision - (j === "%") * 2), j ].join("");
+    }) : ",." + precision + "f");
+  }
+  d3.scale.log = function() {
+    return d3_scale_log(d3.scale.linear().domain([ 0, Math.LN10 ]), 10, d3_scale_logp, d3_scale_powp);
+  };
+  function d3_scale_log(linear, base, log, pow) {
+    function scale(x) {
+      return linear(log(x));
+    }
+    scale.invert = function(x) {
+      return pow(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(pow);
+      if (x[0] < 0) log = d3_scale_logn, pow = d3_scale_pown; else log = d3_scale_logp, 
+      pow = d3_scale_powp;
+      linear.domain(x.map(log));
+      return scale;
+    };
+    scale.base = function(_) {
+      if (!arguments.length) return base;
+      base = +_;
+      return scale;
+    };
+    scale.nice = function() {
+      linear.domain(d3_scale_nice(linear.domain(), d3_scale_logNice(base)));
+      return scale;
+    };
+    scale.ticks = function() {
+      var extent = d3_scaleExtent(linear.domain()), ticks = [];
+      if (extent.every(isFinite)) {
+        var b = Math.log(base), i = Math.floor(extent[0] / b), j = Math.ceil(extent[1] / b), u = pow(extent[0]), v = pow(extent[1]), n = base % 1 ? 2 : base;
+        if (log === d3_scale_logn) {
+          ticks.push(-Math.pow(base, -i));
+          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(-Math.pow(base, -i) * k);
+        } else {
+          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(Math.pow(base, i) * k);
+          ticks.push(Math.pow(base, i));
+        }
+        for (i = 0; ticks[i] < u; i++) {}
+        for (j = ticks.length; ticks[j - 1] > v; j--) {}
+        ticks = ticks.slice(i, j);
+      }
+      return ticks;
+    };
+    scale.tickFormat = function(n, format) {
+      if (arguments.length < 2) format = d3_scale_logFormat;
+      if (!arguments.length) return format;
+      var b = Math.log(base), k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12, 
+      Math.floor) : (e = 1e-12, Math.ceil), e;
+      return function(d) {
+        return d / pow(b * f(log(d) / b + e)) <= k ? format(d) : "";
+      };
+    };
+    scale.copy = function() {
+      return d3_scale_log(linear.copy(), base, log, pow);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  var d3_scale_logFormat = d3.format(".0e");
+  function d3_scale_logp(x) {
+    return Math.log(x < 0 ? 0 : x);
+  }
+  function d3_scale_powp(x) {
+    return Math.exp(x);
+  }
+  function d3_scale_logn(x) {
+    return -Math.log(x > 0 ? 0 : -x);
+  }
+  function d3_scale_pown(x) {
+    return -Math.exp(-x);
+  }
+  function d3_scale_logNice(base) {
+    base = Math.log(base);
+    var nice = {
+      floor: function(x) {
+        return Math.floor(x / base) * base;
+      },
+      ceil: function(x) {
+        return Math.ceil(x / base) * base;
+      }
+    };
+    return function() {
+      return nice;
+    };
+  }
+  d3.scale.pow = function() {
+    return d3_scale_pow(d3.scale.linear(), 1);
+  };
+  function d3_scale_pow(linear, exponent) {
+    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+    function scale(x) {
+      return linear(powp(x));
+    }
+    scale.invert = function(x) {
+      return powb(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(powb);
+      linear.domain(x.map(powp));
+      return scale;
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(scale.domain(), m);
+    };
+    scale.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(scale.domain(), m, format);
+    };
+    scale.nice = function() {
+      return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
+    };
+    scale.exponent = function(x) {
+      if (!arguments.length) return exponent;
+      var domain = scale.domain();
+      powp = d3_scale_powPow(exponent = x);
+      powb = d3_scale_powPow(1 / exponent);
+      return scale.domain(domain);
+    };
+    scale.copy = function() {
+      return d3_scale_pow(linear.copy(), exponent);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  function d3_scale_powPow(e) {
+    return function(x) {
+      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+    };
+  }
+  d3.scale.sqrt = function() {
+    return d3.scale.pow().exponent(.5);
+  };
+  d3.scale.ordinal = function() {
+    return d3_scale_ordinal([], {
+      t: "range",
+      a: [ [] ]
+    });
+  };
+  function d3_scale_ordinal(domain, ranger) {
+    var index, range, rangeBand;
+    function scale(x) {
+      return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
+    }
+    function steps(start, step) {
+      return d3.range(domain.length).map(function(i) {
+        return start + step * i;
+      });
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = [];
+      index = new d3_Map();
+      var i = -1, n = x.length, xi;
+      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+      return scale[ranger.t].apply(scale, ranger.a);
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      rangeBand = 0;
+      ranger = {
+        t: "range",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangePoints = function(x, padding) {
+      if (arguments.length < 2) padding = 0;
+      var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding);
+      range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
+      rangeBand = 0;
+      ranger = {
+        t: "rangePoints",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+      range = steps(start + step * outerPadding, step);
+      if (reverse) range.reverse();
+      rangeBand = step * (1 - padding);
+      ranger = {
+        t: "rangeBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeRoundBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step;
+      range = steps(start + Math.round(error / 2), step);
+      if (reverse) range.reverse();
+      rangeBand = Math.round(step * (1 - padding));
+      ranger = {
+        t: "rangeRoundBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBand = function() {
+      return rangeBand;
+    };
+    scale.rangeExtent = function() {
+      return d3_scaleExtent(ranger.a[0]);
+    };
+    scale.copy = function() {
+      return d3_scale_ordinal(domain, ranger);
+    };
+    return scale.domain(domain);
+  }
+  d3.scale.category10 = function() {
+    return d3.scale.ordinal().range(d3_category10);
+  };
+  d3.scale.category20 = function() {
+    return d3.scale.ordinal().range(d3_category20);
+  };
+  d3.scale.category20b = function() {
+    return d3.scale.ordinal().range(d3_category20b);
+  };
+  d3.scale.category20c = function() {
+    return d3.scale.ordinal().range(d3_category20c);
+  };
+  var d3_category10 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ];
+  var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ];
+  var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ];
+  var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ];
+  d3.scale.quantile = function() {
+    return d3_scale_quantile([], []);
+  };
+  function d3_scale_quantile(domain, range) {
+    var thresholds;
+    function rescale() {
+      var k = 0, q = range.length;
+      thresholds = [];
+      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+      return scale;
+    }
+    function scale(x) {
+      if (isNaN(x = +x)) return NaN;
+      return range[d3.bisect(thresholds, x)];
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.filter(function(d) {
+        return !isNaN(d);
+      }).sort(d3.ascending);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.quantiles = function() {
+      return thresholds;
+    };
+    scale.copy = function() {
+      return d3_scale_quantile(domain, range);
+    };
+    return rescale();
+  }
+  d3.scale.quantize = function() {
+    return d3_scale_quantize(0, 1, [ 0, 1 ]);
+  };
+  function d3_scale_quantize(x0, x1, range) {
+    var kx, i;
+    function scale(x) {
+      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+    }
+    function rescale() {
+      kx = range.length / (x1 - x0);
+      i = range.length - 1;
+      return scale;
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return [ x0, x1 ];
+      x0 = +x[0];
+      x1 = +x[x.length - 1];
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_quantize(x0, x1, range);
+    };
+    return rescale();
+  }
+  d3.scale.threshold = function() {
+    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+  };
+  function d3_scale_threshold(domain, range) {
+    function scale(x) {
+      return range[d3.bisect(domain, x)];
+    }
+    scale.domain = function(_) {
+      if (!arguments.length) return domain;
+      domain = _;
+      return scale;
+    };
+    scale.range = function(_) {
+      if (!arguments.length) return range;
+      range = _;
+      return scale;
+    };
+    scale.copy = function() {
+      return d3_scale_threshold(domain, range);
+    };
+    return scale;
+  }
+  d3.scale.identity = function() {
+    return d3_scale_identity([ 0, 1 ]);
+  };
+  function d3_scale_identity(domain) {
+    function identity(x) {
+      return +x;
+    }
+    identity.invert = identity;
+    identity.domain = identity.range = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(identity);
+      return identity;
+    };
+    identity.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    identity.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    identity.copy = function() {
+      return d3_scale_identity(domain);
+    };
+    return identity;
+  }
+  d3.svg.arc = function() {
+    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    function arc() {
+      var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, 
+      a0 = a1, a1 = da), a1 - a0), df = da < π ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1);
+      return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z";
+    }
+    arc.innerRadius = function(v) {
+      if (!arguments.length) return innerRadius;
+      innerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.outerRadius = function(v) {
+      if (!arguments.length) return outerRadius;
+      outerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return arc;
+    };
+    arc.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return arc;
+    };
+    arc.centroid = function() {
+      var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
+      return [ Math.cos(a) * r, Math.sin(a) * r ];
+    };
+    return arc;
+  };
+  var d3_svg_arcOffset = -π / 2, d3_svg_arcMax = 2 * π - 1e-6;
+  function d3_svg_arcInnerRadius(d) {
+    return d.innerRadius;
+  }
+  function d3_svg_arcOuterRadius(d) {
+    return d.outerRadius;
+  }
+  function d3_svg_arcStartAngle(d) {
+    return d.startAngle;
+  }
+  function d3_svg_arcEndAngle(d) {
+    return d.endAngle;
+  }
+  d3.svg.line.radial = function() {
+    var line = d3_svg_line(d3_svg_lineRadial);
+    line.radius = line.x, delete line.x;
+    line.angle = line.y, delete line.y;
+    return line;
+  };
+  function d3_svg_lineRadial(points) {
+    var point, i = -1, n = points.length, r, a;
+    while (++i < n) {
+      point = points[i];
+      r = point[0];
+      a = point[1] + d3_svg_arcOffset;
+      point[0] = r * Math.cos(a);
+      point[1] = r * Math.sin(a);
+    }
+    return points;
+  }
+  function d3_svg_area(projection) {
+    var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+    function area(data) {
+      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+        return x;
+      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+        return y;
+      } : d3_functor(y1), x, y;
+      function segment() {
+        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+      }
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+        } else if (points0.length) {
+          segment();
+          points0 = [];
+          points1 = [];
+        }
+      }
+      if (points0.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    area.x = function(_) {
+      if (!arguments.length) return x1;
+      x0 = x1 = _;
+      return area;
+    };
+    area.x0 = function(_) {
+      if (!arguments.length) return x0;
+      x0 = _;
+      return area;
+    };
+    area.x1 = function(_) {
+      if (!arguments.length) return x1;
+      x1 = _;
+      return area;
+    };
+    area.y = function(_) {
+      if (!arguments.length) return y1;
+      y0 = y1 = _;
+      return area;
+    };
+    area.y0 = function(_) {
+      if (!arguments.length) return y0;
+      y0 = _;
+      return area;
+    };
+    area.y1 = function(_) {
+      if (!arguments.length) return y1;
+      y1 = _;
+      return area;
+    };
+    area.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return area;
+    };
+    area.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      interpolateReverse = interpolate.reverse || interpolate;
+      L = interpolate.closed ? "M" : "L";
+      return area;
+    };
+    area.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return area;
+    };
+    return area;
+  }
+  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+  d3.svg.area = function() {
+    return d3_svg_area(d3_identity);
+  };
+  d3.svg.area.radial = function() {
+    var area = d3_svg_area(d3_svg_lineRadial);
+    area.radius = area.x, delete area.x;
+    area.innerRadius = area.x0, delete area.x0;
+    area.outerRadius = area.x1, delete area.x1;
+    area.angle = area.y, delete area.y;
+    area.startAngle = area.y0, delete area.y0;
+    area.endAngle = area.y1, delete area.y1;
+    return area;
+  };
+  d3.svg.chord = function() {
+    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    function chord(d, i) {
+      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
+    }
+    function subgroup(self, f, d, i) {
+      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
+      return {
+        r: r,
+        a0: a0,
+        a1: a1,
+        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+      };
+    }
+    function equals(a, b) {
+      return a.a0 == b.a0 && a.a1 == b.a1;
+    }
+    function arc(r, p, a) {
+      return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
+    }
+    function curve(r0, p0, r1, p1) {
+      return "Q 0,0 " + p1;
+    }
+    chord.radius = function(v) {
+      if (!arguments.length) return radius;
+      radius = d3_functor(v);
+      return chord;
+    };
+    chord.source = function(v) {
+      if (!arguments.length) return source;
+      source = d3_functor(v);
+      return chord;
+    };
+    chord.target = function(v) {
+      if (!arguments.length) return target;
+      target = d3_functor(v);
+      return chord;
+    };
+    chord.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return chord;
+    };
+    chord.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return chord;
+    };
+    return chord;
+  };
+  function d3_svg_chordRadius(d) {
+    return d.radius;
+  }
+  d3.svg.diagonal = function() {
+    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
+    function diagonal(d, i) {
+      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+        x: p0.x,
+        y: m
+      }, {
+        x: p3.x,
+        y: m
+      }, p3 ];
+      p = p.map(projection);
+      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+    }
+    diagonal.source = function(x) {
+      if (!arguments.length) return source;
+      source = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.target = function(x) {
+      if (!arguments.length) return target;
+      target = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.projection = function(x) {
+      if (!arguments.length) return projection;
+      projection = x;
+      return diagonal;
+    };
+    return diagonal;
+  };
+  function d3_svg_diagonalProjection(d) {
+    return [ d.x, d.y ];
+  }
+  d3.svg.diagonal.radial = function() {
+    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+    diagonal.projection = function(x) {
+      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+    };
+    return diagonal;
+  };
+  function d3_svg_diagonalRadialProjection(projection) {
+    return function() {
+      var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset;
+      return [ r * Math.cos(a), r * Math.sin(a) ];
+    };
+  }
+  d3.svg.symbol = function() {
+    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+    function symbol(d, i) {
+      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+    }
+    symbol.type = function(x) {
+      if (!arguments.length) return type;
+      type = d3_functor(x);
+      return symbol;
+    };
+    symbol.size = function(x) {
+      if (!arguments.length) return size;
+      size = d3_functor(x);
+      return symbol;
+    };
+    return symbol;
+  };
+  function d3_svg_symbolSize() {
+    return 64;
+  }
+  function d3_svg_symbolType() {
+    return "circle";
+  }
+  function d3_svg_symbolCircle(size) {
+    var r = Math.sqrt(size / π);
+    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+  }
+  var d3_svg_symbols = d3.map({
+    circle: d3_svg_symbolCircle,
+    cross: function(size) {
+      var r = Math.sqrt(size / 5) / 2;
+      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
+    },
+    diamond: function(size) {
+      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+    },
+    square: function(size) {
+      var r = Math.sqrt(size) / 2;
+      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+    },
+    "triangle-down": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+    },
+    "triangle-up": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+    }
+  });
+  d3.svg.symbolTypes = d3_svg_symbols.keys();
+  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
+  function d3_transition(groups, id) {
+    d3_arraySubclass(groups, d3_transitionPrototype);
+    groups.id = id;
+    return groups;
+  }
+  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit = {
+    ease: d3_ease_cubicInOut,
+    delay: 0,
+    duration: 250
+  };
+  d3_transitionPrototype.call = d3_selectionPrototype.call;
+  d3_transitionPrototype.empty = d3_selectionPrototype.empty;
+  d3_transitionPrototype.node = d3_selectionPrototype.node;
+  d3.transition = function(selection) {
+    return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition();
+  };
+  d3.transition.prototype = d3_transitionPrototype;
+  d3_transitionPrototype.select = function(selector) {
+    var id = this.id, subgroups = [], subgroup, subnode, node;
+    if (typeof selector !== "function") selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i))) {
+          if ("__data__" in node) subnode.__data__ = node.__data__;
+          d3_transitionNode(subnode, i, id, node.__transition__[id]);
+          subgroup.push(subnode);
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_transitionPrototype.selectAll = function(selector) {
+    var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition;
+    if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          transition = node.__transition__[id];
+          subnodes = selector.call(node, node.__data__, i);
+          subgroups.push(subgroup = []);
+          for (var k = -1, o = subnodes.length; ++k < o; ) {
+            d3_transitionNode(subnode = subnodes[k], k, id, transition);
+            subgroup.push(subnode);
+          }
+        }
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_transitionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_transition(subgroups, this.id, this.time).ease(this.ease());
+  };
+  d3_transitionPrototype.tween = function(name, tween) {
+    var id = this.id;
+    if (arguments.length < 2) return this.node().__transition__[id].tween.get(name);
+    return d3_selection_each(this, tween == null ? function(node) {
+      node.__transition__[id].tween.remove(name);
+    } : function(node) {
+      node.__transition__[id].tween.set(name, tween);
+    });
+  };
+  function d3_transition_tween(groups, name, value, tween) {
+    var id = groups.id;
+    return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
+    } : (value = tween(value), function(node) {
+      node.__transition__[id].tween.set(name, value);
+    }));
+  }
+  d3_transitionPrototype.attr = function(nameNS, value) {
+    if (arguments.length < 2) {
+      for (value in nameNS) this.attr(value, nameNS[value]);
+      return this;
+    }
+    var interpolate = d3_interpolateByName(nameNS), name = d3.ns.qualify(nameNS);
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    return d3_transition_tween(this, "attr." + nameNS, value, function(b) {
+      function attrString() {
+        var a = this.getAttribute(name), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.setAttribute(name, i(t));
+        });
+      }
+      function attrStringNS() {
+        var a = this.getAttributeNS(name.space, name.local), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.setAttributeNS(name.space, name.local, i(t));
+        });
+      }
+      return b == null ? name.local ? attrNullNS : attrNull : (b += "", name.local ? attrStringNS : attrString);
+    });
+  };
+  d3_transitionPrototype.attrTween = function(nameNS, tween) {
+    var name = d3.ns.qualify(nameNS);
+    function attrTween(d, i) {
+      var f = tween.call(this, d, i, this.getAttribute(name));
+      return f && function(t) {
+        this.setAttribute(name, f(t));
+      };
+    }
+    function attrTweenNS(d, i) {
+      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+      return f && function(t) {
+        this.setAttributeNS(name.space, name.local, f(t));
+      };
+    }
+    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+  };
+  d3_transitionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.style(priority, name[priority], value);
+        return this;
+      }
+      priority = "";
+    }
+    var interpolate = d3_interpolateByName(name);
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    return d3_transition_tween(this, "style." + name, value, function(b) {
+      function styleString() {
+        var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.style.setProperty(name, i(t), priority);
+        });
+      }
+      return b == null ? styleNull : (b += "", styleString);
+    });
+  };
+  d3_transitionPrototype.styleTween = function(name, tween, priority) {
+    if (arguments.length < 3) priority = "";
+    return this.tween("style." + name, function(d, i) {
+      var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
+      return f && function(t) {
+        this.style.setProperty(name, f(t), priority);
+      };
+    });
+  };
+  d3_transitionPrototype.text = function(value) {
+    return d3_transition_tween(this, "text", value, d3_transition_text);
+  };
+  function d3_transition_text(b) {
+    if (b == null) b = "";
+    return function() {
+      this.textContent = b;
+    };
+  }
+  d3_transitionPrototype.remove = function() {
+    return this.each("end.transition", function() {
+      var p;
+      if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
+    });
+  };
+  d3_transitionPrototype.ease = function(value) {
+    var id = this.id;
+    if (arguments.length < 1) return this.node().__transition__[id].ease;
+    if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
+    return d3_selection_each(this, function(node) {
+      node.__transition__[id].ease = value;
+    });
+  };
+  d3_transitionPrototype.delay = function(value) {
+    var id = this.id;
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].delay = value.call(node, node.__data__, i, j) | 0;
+    } : (value |= 0, function(node) {
+      node.__transition__[id].delay = value;
+    }));
+  };
+  d3_transitionPrototype.duration = function(value) {
+    var id = this.id;
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j) | 0);
+    } : (value = Math.max(1, value | 0), function(node) {
+      node.__transition__[id].duration = value;
+    }));
+  };
+  d3_transitionPrototype.each = function(type, listener) {
+    var id = this.id;
+    if (arguments.length < 2) {
+      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
+      d3_transitionInheritId = id;
+      d3_selection_each(this, function(node, i, j) {
+        d3_transitionInherit = node.__transition__[id];
+        type.call(node, node.__data__, i, j);
+      });
+      d3_transitionInherit = inherit;
+      d3_transitionInheritId = inheritId;
+    } else {
+      d3_selection_each(this, function(node) {
+        node.__transition__[id].event.on(type, listener);
+      });
+    }
+    return this;
+  };
+  d3_transitionPrototype.transition = function() {
+    var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition;
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if (node = group[i]) {
+          transition = Object.create(node.__transition__[id0]);
+          transition.delay += transition.duration;
+          d3_transitionNode(node, i, id1, transition);
+        }
+        subgroup.push(node);
+      }
+    }
+    return d3_transition(subgroups, id1);
+  };
+  function d3_transitionNode(node, i, id, inherit) {
+    var lock = node.__transition__ || (node.__transition__ = {
+      active: 0,
+      count: 0
+    }), transition = lock[id];
+    if (!transition) {
+      var time = inherit.time;
+      transition = lock[id] = {
+        tween: new d3_Map(),
+        event: d3.dispatch("start", "end"),
+        time: time,
+        ease: inherit.ease,
+        delay: inherit.delay,
+        duration: inherit.duration
+      };
+      ++lock.count;
+      d3.timer(function(elapsed) {
+        var d = node.__data__, ease = transition.ease, event = transition.event, delay = transition.delay, duration = transition.duration, tweened = [];
+        return delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time), 1;
+        function start(elapsed) {
+          if (lock.active > id) return stop();
+          lock.active = id;
+          event.start.call(node, d, i);
+          transition.tween.forEach(function(key, value) {
+            if (value = value.call(node, d, i)) {
+              tweened.push(value);
+            }
+          });
+          if (!tick(elapsed)) d3.timer(tick, 0, time);
+          return 1;
+        }
+        function tick(elapsed) {
+          if (lock.active !== id) return stop();
+          var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length;
+          while (n > 0) {
+            tweened[--n].call(node, e);
+          }
+          if (t >= 1) {
+            stop();
+            event.end.call(node, d, i);
+            return 1;
+          }
+        }
+        function stop() {
+          if (--lock.count) delete lock[id]; else delete node.__transition__;
+          return 1;
+        }
+      }, 0, time);
+      return transition;
+    }
+  }
+  d3.svg.axis = function() {
+    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0;
+    function axis(g) {
+      g.each(function() {
+        var g = d3.select(this);
+        var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_;
+        var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".tick.minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", ".tick").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1);
+        var tick = g.selectAll(".tick.major").data(ticks, String), tickEnter = tick.enter().insert("g", "path").attr("class", "tick major").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform;
+        var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
+        d3.transition(path));
+        var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
+        this.__chart__ = scale1;
+        tickEnter.append("line");
+        tickEnter.append("text");
+        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text");
+        switch (orient) {
+         case "bottom":
+          {
+            tickTransform = d3_svg_axisX;
+            subtickEnter.attr("y2", tickMinorSize);
+            subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
+            lineEnter.attr("y2", tickMajorSize);
+            textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+            lineUpdate.attr("x2", 0).attr("y2", tickMajorSize);
+            textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+            text.attr("dy", ".71em").style("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
+            break;
+          }
+
+         case "top":
+          {
+            tickTransform = d3_svg_axisX;
+            subtickEnter.attr("y2", -tickMinorSize);
+            subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
+            lineEnter.attr("y2", -tickMajorSize);
+            textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+            lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize);
+            textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+            text.attr("dy", "0em").style("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
+            break;
+          }
+
+         case "left":
+          {
+            tickTransform = d3_svg_axisY;
+            subtickEnter.attr("x2", -tickMinorSize);
+            subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
+            lineEnter.attr("x2", -tickMajorSize);
+            textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
+            lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
+            textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0);
+            text.attr("dy", ".32em").style("text-anchor", "end");
+            pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
+            break;
+          }
+
+         case "right":
+          {
+            tickTransform = d3_svg_axisY;
+            subtickEnter.attr("x2", tickMinorSize);
+            subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
+            lineEnter.attr("x2", tickMajorSize);
+            textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding);
+            lineUpdate.attr("x2", tickMajorSize).attr("y2", 0);
+            textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0);
+            text.attr("dy", ".32em").style("text-anchor", "start");
+            pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
+            break;
+          }
+        }
+        if (scale.ticks) {
+          tickEnter.call(tickTransform, scale0);
+          tickUpdate.call(tickTransform, scale1);
+          tickExit.call(tickTransform, scale1);
+          subtickEnter.call(tickTransform, scale0);
+          subtickUpdate.call(tickTransform, scale1);
+          subtickExit.call(tickTransform, scale1);
+        } else {
+          var dx = scale1.rangeBand() / 2, x = function(d) {
+            return scale1(d) + dx;
+          };
+          tickEnter.call(tickTransform, x);
+          tickUpdate.call(tickTransform, x);
+        }
+      });
+    }
+    axis.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = x;
+      return axis;
+    };
+    axis.orient = function(x) {
+      if (!arguments.length) return orient;
+      orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
+      return axis;
+    };
+    axis.ticks = function() {
+      if (!arguments.length) return tickArguments_;
+      tickArguments_ = arguments;
+      return axis;
+    };
+    axis.tickValues = function(x) {
+      if (!arguments.length) return tickValues;
+      tickValues = x;
+      return axis;
+    };
+    axis.tickFormat = function(x) {
+      if (!arguments.length) return tickFormat_;
+      tickFormat_ = x;
+      return axis;
+    };
+    axis.tickSize = function(x, y) {
+      if (!arguments.length) return tickMajorSize;
+      var n = arguments.length - 1;
+      tickMajorSize = +x;
+      tickMinorSize = n > 1 ? +y : tickMajorSize;
+      tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
+      return axis;
+    };
+    axis.tickPadding = function(x) {
+      if (!arguments.length) return tickPadding;
+      tickPadding = +x;
+      return axis;
+    };
+    axis.tickSubdivide = function(x) {
+      if (!arguments.length) return tickSubdivide;
+      tickSubdivide = +x;
+      return axis;
+    };
+    return axis;
+  };
+  var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
+    top: 1,
+    right: 1,
+    bottom: 1,
+    left: 1
+  };
+  function d3_svg_axisX(selection, x) {
+    selection.attr("transform", function(d) {
+      return "translate(" + x(d) + ",0)";
+    });
+  }
+  function d3_svg_axisY(selection, y) {
+    selection.attr("transform", function(d) {
+      return "translate(0," + y(d) + ")";
+    });
+  }
+  function d3_svg_axisSubdivide(scale, ticks, m) {
+    subticks = [];
+    if (m && ticks.length > 1) {
+      var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v;
+      while (++i < n) {
+        for (j = m; --j > 0; ) {
+          if ((v = +ticks[i] - j * d) >= extent[0]) {
+            subticks.push(v);
+          }
+        }
+      }
+      for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) {
+        subticks.push(v);
+      }
+    }
+    return subticks;
+  }
+  d3.svg.brush = function() {
+    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain;
+    function brush(g) {
+      g.each(function() {
+        var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e;
+        g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+        bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+        fg.enter().append("rect").attr("class", "extent").style("cursor", "move");
+        tz.enter().append("g").attr("class", function(d) {
+          return "resize " + d;
+        }).style("cursor", function(d) {
+          return d3_svg_brushCursor[d];
+        }).append("rect").attr("x", function(d) {
+          return /[ew]$/.test(d) ? -3 : null;
+        }).attr("y", function(d) {
+          return /^[ns]/.test(d) ? -3 : null;
+        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+        tz.style("display", brush.empty() ? "none" : null);
+        tz.exit().remove();
+        if (x) {
+          e = d3_scaleRange(x);
+          bg.attr("x", e[0]).attr("width", e[1] - e[0]);
+          redrawX(g);
+        }
+        if (y) {
+          e = d3_scaleRange(y);
+          bg.attr("y", e[0]).attr("height", e[1] - e[0]);
+          redrawY(g);
+        }
+        redraw(g);
+      });
+    }
+    function redraw(g) {
+      g.selectAll(".resize").attr("transform", function(d) {
+        return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
+      });
+    }
+    function redrawX(g) {
+      g.select(".extent").attr("x", extent[0][0]);
+      g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
+    }
+    function redrawY(g) {
+      g.select(".extent").attr("y", extent[0][1]);
+      g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
+    }
+    function brushstart() {
+      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), center, origin = mouse(), offset;
+      var w = d3.select(d3_window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup);
+      if (dragging) {
+        origin[0] = extent[0][0] - origin[0];
+        origin[1] = extent[0][1] - origin[1];
+      } else if (resizing) {
+        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+        offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ];
+        origin[0] = extent[ex][0];
+        origin[1] = extent[ey][1];
+      } else if (d3.event.altKey) center = origin.slice();
+      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+      d3.select("body").style("cursor", eventTarget.style("cursor"));
+      event_({
+        type: "brushstart"
+      });
+      brushmove();
+      d3_eventCancel();
+      function mouse() {
+        var touches = d3.event.changedTouches;
+        return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
+      }
+      function keydown() {
+        if (d3.event.keyCode == 32) {
+          if (!dragging) {
+            center = null;
+            origin[0] -= extent[1][0];
+            origin[1] -= extent[1][1];
+            dragging = 2;
+          }
+          d3_eventCancel();
+        }
+      }
+      function keyup() {
+        if (d3.event.keyCode == 32 && dragging == 2) {
+          origin[0] += extent[1][0];
+          origin[1] += extent[1][1];
+          dragging = 0;
+          d3_eventCancel();
+        }
+      }
+      function brushmove() {
+        var point = mouse(), moved = false;
+        if (offset) {
+          point[0] += offset[0];
+          point[1] += offset[1];
+        }
+        if (!dragging) {
+          if (d3.event.altKey) {
+            if (!center) center = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ];
+            origin[0] = extent[+(point[0] < center[0])][0];
+            origin[1] = extent[+(point[1] < center[1])][1];
+          } else center = null;
+        }
+        if (resizingX && move1(point, x, 0)) {
+          redrawX(g);
+          moved = true;
+        }
+        if (resizingY && move1(point, y, 1)) {
+          redrawY(g);
+          moved = true;
+        }
+        if (moved) {
+          redraw(g);
+          event_({
+            type: "brush",
+            mode: dragging ? "move" : "resize"
+          });
+        }
+      }
+      function move1(point, scale, i) {
+        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], size = extent[1][i] - extent[0][i], min, max;
+        if (dragging) {
+          r0 -= position;
+          r1 -= size + position;
+        }
+        min = Math.max(r0, Math.min(r1, point[i]));
+        if (dragging) {
+          max = (min += position) + size;
+        } else {
+          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+          if (position < min) {
+            max = min;
+            min = position;
+          } else {
+            max = position;
+          }
+        }
+        if (extent[0][i] !== min || extent[1][i] !== max) {
+          extentDomain = null;
+          extent[0][i] = min;
+          extent[1][i] = max;
+          return true;
+        }
+      }
+      function brushend() {
+        brushmove();
+        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+        d3.select("body").style("cursor", null);
+        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
+        event_({
+          type: "brushend"
+        });
+        d3_eventCancel();
+      }
+    }
+    brush.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.extent = function(z) {
+      var x0, x1, y0, y1, t;
+      if (!arguments.length) {
+        z = extentDomain || extent;
+        if (x) {
+          x0 = z[0][0], x1 = z[1][0];
+          if (!extentDomain) {
+            x0 = extent[0][0], x1 = extent[1][0];
+            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+            if (x1 < x0) t = x0, x0 = x1, x1 = t;
+          }
+        }
+        if (y) {
+          y0 = z[0][1], y1 = z[1][1];
+          if (!extentDomain) {
+            y0 = extent[0][1], y1 = extent[1][1];
+            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+            if (y1 < y0) t = y0, y0 = y1, y1 = t;
+          }
+        }
+        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+      }
+      extentDomain = [ [ 0, 0 ], [ 0, 0 ] ];
+      if (x) {
+        x0 = z[0], x1 = z[1];
+        if (y) x0 = x0[0], x1 = x1[0];
+        extentDomain[0][0] = x0, extentDomain[1][0] = x1;
+        if (x.invert) x0 = x(x0), x1 = x(x1);
+        if (x1 < x0) t = x0, x0 = x1, x1 = t;
+        extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
+      }
+      if (y) {
+        y0 = z[0], y1 = z[1];
+        if (x) y0 = y0[1], y1 = y1[1];
+        extentDomain[0][1] = y0, extentDomain[1][1] = y1;
+        if (y.invert) y0 = y(y0), y1 = y(y1);
+        if (y1 < y0) t = y0, y0 = y1, y1 = t;
+        extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
+      }
+      return brush;
+    };
+    brush.clear = function() {
+      extentDomain = null;
+      extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0;
+      return brush;
+    };
+    brush.empty = function() {
+      return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][1];
+    };
+    return d3.rebind(brush, event, "on");
+  };
+  var d3_svg_brushCursor = {
+    n: "ns-resize",
+    e: "ew-resize",
+    s: "ns-resize",
+    w: "ew-resize",
+    nw: "nwse-resize",
+    ne: "nesw-resize",
+    se: "nwse-resize",
+    sw: "nesw-resize"
+  };
+  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+  d3.time = {};
+  var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
+  function d3_time_utc() {
+    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+  }
+  d3_time_utc.prototype = {
+    getDate: function() {
+      return this._.getUTCDate();
+    },
+    getDay: function() {
+      return this._.getUTCDay();
+    },
+    getFullYear: function() {
+      return this._.getUTCFullYear();
+    },
+    getHours: function() {
+      return this._.getUTCHours();
+    },
+    getMilliseconds: function() {
+      return this._.getUTCMilliseconds();
+    },
+    getMinutes: function() {
+      return this._.getUTCMinutes();
+    },
+    getMonth: function() {
+      return this._.getUTCMonth();
+    },
+    getSeconds: function() {
+      return this._.getUTCSeconds();
+    },
+    getTime: function() {
+      return this._.getTime();
+    },
+    getTimezoneOffset: function() {
+      return 0;
+    },
+    valueOf: function() {
+      return this._.valueOf();
+    },
+    setDate: function() {
+      d3_time_prototype.setUTCDate.apply(this._, arguments);
+    },
+    setDay: function() {
+      d3_time_prototype.setUTCDay.apply(this._, arguments);
+    },
+    setFullYear: function() {
+      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+    },
+    setHours: function() {
+      d3_time_prototype.setUTCHours.apply(this._, arguments);
+    },
+    setMilliseconds: function() {
+      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+    },
+    setMinutes: function() {
+      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+    },
+    setMonth: function() {
+      d3_time_prototype.setUTCMonth.apply(this._, arguments);
+    },
+    setSeconds: function() {
+      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+    },
+    setTime: function() {
+      d3_time_prototype.setTime.apply(this._, arguments);
+    }
+  };
+  var d3_time_prototype = Date.prototype;
+  var d3_time_formatDateTime = "%a %b %e %X %Y", d3_time_formatDate = "%m/%d/%Y", d3_time_formatTime = "%H:%M:%S";
+  var d3_time_days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], d3_time_dayAbbreviations = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
+  function d3_time_interval(local, step, number) {
+    function round(date) {
+      var d0 = local(date), d1 = offset(d0, 1);
+      return date - d0 < d1 - date ? d0 : d1;
+    }
+    function ceil(date) {
+      step(date = local(new d3_time(date - 1)), 1);
+      return date;
+    }
+    function offset(date, k) {
+      step(date = new d3_time(+date), k);
+      return date;
+    }
+    function range(t0, t1, dt) {
+      var time = ceil(t0), times = [];
+      if (dt > 1) {
+        while (time < t1) {
+          if (!(number(time) % dt)) times.push(new Date(+time));
+          step(time, 1);
         }
       } else {
-        n.point = p;
+        while (time < t1) times.push(new Date(+time)), step(time, 1);
       }
-    } else {
-      insertChild(n, p, x1, y1, x2, y2);
+      return times;
     }
-  }
-
-  // Recursively inserts the specified point p into a descendant of node n. The
-  // bounds are defined by [x1, x2] and [y1, y2].
-  function insertChild(n, p, x1, y1, x2, y2) {
-    // Compute the split point, and the quadrant in which to insert p.
-    var sx = (x1 + x2) * .5,
-        sy = (y1 + y2) * .5,
-        right = p.x >= sx,
-        bottom = p.y >= sy,
-        i = (bottom << 1) + right;
-
-    // Recursively insert into the child node.
-    n.leaf = false;
-    n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
-
-    // Update the bounds as we recurse.
-    if (right) x1 = sx; else x2 = sx;
-    if (bottom) y1 = sy; else y2 = sy;
-    insert(n, p, x1, y1, x2, y2);
-  }
-
-  // Create the root node.
-  var root = d3_geom_quadtreeNode();
-
-  root.add = function(p) {
-    insert(root, p, x1, y1, x2, y2);
-  };
-
-  root.visit = function(f) {
-    d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2);
-  };
-
-  // Insert all points.
-  points.forEach(root.add);
-  return root;
-};
-
-function d3_geom_quadtreeNode() {
-  return {
-    leaf: true,
-    nodes: [],
-    point: null
-  };
-}
-
-function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
-  if (!f(node, x1, y1, x2, y2)) {
-    var sx = (x1 + x2) * .5,
-        sy = (y1 + y2) * .5,
-        children = node.nodes;
-    if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
-    if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
-    if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
-    if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
-  }
-}
-
-function d3_geom_quadtreePoint(p) {
-  return {
-    x: p[0],
-    y: p[1]
-  };
-}
-d3.time = {};
-
-var d3_time = Date;
-
-function d3_time_utc() {
-  this._ = new Date(arguments.length > 1
-      ? Date.UTC.apply(this, arguments)
-      : arguments[0]);
-}
-
-d3_time_utc.prototype = {
-  getDate: function() { return this._.getUTCDate(); },
-  getDay: function() { return this._.getUTCDay(); },
-  getFullYear: function() { return this._.getUTCFullYear(); },
-  getHours: function() { return this._.getUTCHours(); },
-  getMilliseconds: function() { return this._.getUTCMilliseconds(); },
-  getMinutes: function() { return this._.getUTCMinutes(); },
-  getMonth: function() { return this._.getUTCMonth(); },
-  getSeconds: function() { return this._.getUTCSeconds(); },
-  getTime: function() { return this._.getTime(); },
-  getTimezoneOffset: function() { return 0; },
-  valueOf: function() { return this._.valueOf(); },
-  setDate: function() { d3_time_prototype.setUTCDate.apply(this._, arguments); },
-  setDay: function() { d3_time_prototype.setUTCDay.apply(this._, arguments); },
-  setFullYear: function() { d3_time_prototype.setUTCFullYear.apply(this._, arguments); },
-  setHours: function() { d3_time_prototype.setUTCHours.apply(this._, arguments); },
-  setMilliseconds: function() { d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); },
-  setMinutes: function() { d3_time_prototype.setUTCMinutes.apply(this._, arguments); },
-  setMonth: function() { d3_time_prototype.setUTCMonth.apply(this._, arguments); },
-  setSeconds: function() { d3_time_prototype.setUTCSeconds.apply(this._, arguments); },
-  setTime: function() { d3_time_prototype.setTime.apply(this._, arguments); }
-};
-
-var d3_time_prototype = Date.prototype;
-d3.time.format = function(template) {
-  var n = template.length;
-
-  function format(date) {
-    var string = [],
-        i = -1,
-        j = 0,
-        c,
-        f;
-    while (++i < n) {
-      if (template.charCodeAt(i) == 37) {
-        string.push(
-            template.substring(j, i),
-            (f = d3_time_formats[c = template.charAt(++i)])
-            ? f(date) : c);
-        j = i + 1;
+    function range_utc(t0, t1, dt) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time_utc();
+        utc._ = t0;
+        return range(utc, t1, dt);
+      } finally {
+        d3_time = Date;
       }
     }
-    string.push(template.substring(j, i));
-    return string.join("");
+    local.floor = local;
+    local.round = round;
+    local.ceil = ceil;
+    local.offset = offset;
+    local.range = range;
+    var utc = local.utc = d3_time_interval_utc(local);
+    utc.floor = utc;
+    utc.round = d3_time_interval_utc(round);
+    utc.ceil = d3_time_interval_utc(ceil);
+    utc.offset = d3_time_interval_utc(offset);
+    utc.range = range_utc;
+    return local;
   }
-
-  format.parse = function(string) {
-    var d = {y: 1900, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0},
-        i = d3_time_parse(d, template, string, 0);
-    if (i != string.length) return null;
-
-    // The am-pm flag is 0 for AM, and 1 for PM.
-    if ("p" in d) d.H = d.H % 12 + d.p * 12;
-
-    var date = new d3_time();
-    date.setFullYear(d.y, d.m, d.d);
-    date.setHours(d.H, d.M, d.S, d.L);
-    return date;
-  };
-
-  format.toString = function() {
-    return template;
-  };
-
-  return format;
-};
-
-function d3_time_parse(date, template, string, j) {
-  var c,
-      p,
-      i = 0,
-      n = template.length,
-      m = string.length;
-  while (i < n) {
-    if (j >= m) return -1;
-    c = template.charCodeAt(i++);
-    if (c == 37) {
-      p = d3_time_parsers[template.charAt(i++)];
-      if (!p || ((j = p(date, string, j)) < 0)) return -1;
-    } else if (c != string.charCodeAt(j++)) {
-      return -1;
-    }
-  }
-  return j;
-}
-
-var d3_time_zfill2 = d3.format("02d"),
-    d3_time_zfill3 = d3.format("03d"),
-    d3_time_zfill4 = d3.format("04d"),
-    d3_time_sfill2 = d3.format("2d");
-
-var d3_time_formats = {
-  a: function(d) { return d3_time_weekdays[d.getDay()].substring(0, 3); },
-  A: function(d) { return d3_time_weekdays[d.getDay()]; },
-  b: function(d) { return d3_time_months[d.getMonth()].substring(0, 3); },
-  B: function(d) { return d3_time_months[d.getMonth()]; },
-  c: d3.time.format("%a %b %e %H:%M:%S %Y"),
-  d: function(d) { return d3_time_zfill2(d.getDate()); },
-  e: function(d) { return d3_time_sfill2(d.getDate()); },
-  H: function(d) { return d3_time_zfill2(d.getHours()); },
-  I: function(d) { return d3_time_zfill2(d.getHours() % 12 || 12); },
-  j: function(d) { return d3_time_zfill3(1 + d3.time.dayOfYear(d)); },
-  L: function(d) { return d3_time_zfill3(d.getMilliseconds()); },
-  m: function(d) { return d3_time_zfill2(d.getMonth() + 1); },
-  M: function(d) { return d3_time_zfill2(d.getMinutes()); },
-  p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; },
-  S: function(d) { return d3_time_zfill2(d.getSeconds()); },
-  U: function(d) { return d3_time_zfill2(d3.time.sundayOfYear(d)); },
-  w: function(d) { return d.getDay(); },
-  W: function(d) { return d3_time_zfill2(d3.time.mondayOfYear(d)); },
-  x: d3.time.format("%m/%d/%y"),
-  X: d3.time.format("%H:%M:%S"),
-  y: function(d) { return d3_time_zfill2(d.getFullYear() % 100); },
-  Y: function(d) { return d3_time_zfill4(d.getFullYear() % 10000); },
-  Z: d3_time_zone,
-  "%": function(d) { return "%"; }
-};
-
-var d3_time_parsers = {
-  a: d3_time_parseWeekdayAbbrev,
-  A: d3_time_parseWeekday,
-  b: d3_time_parseMonthAbbrev,
-  B: d3_time_parseMonth,
-  c: d3_time_parseLocaleFull,
-  d: d3_time_parseDay,
-  e: d3_time_parseDay,
-  H: d3_time_parseHour24,
-  I: d3_time_parseHour24,
-  // j: function(d, s, i) { /*TODO day of year [001,366] */ return i; },
-  L: d3_time_parseMilliseconds,
-  m: d3_time_parseMonthNumber,
-  M: d3_time_parseMinutes,
-  p: d3_time_parseAmPm,
-  S: d3_time_parseSeconds,
-  // U: function(d, s, i) { /*TODO week number (sunday) [00,53] */ return i; },
-  // w: function(d, s, i) { /*TODO weekday [0,6] */ return i; },
-  // W: function(d, s, i) { /*TODO week number (monday) [00,53] */ return i; },
-  x: d3_time_parseLocaleDate,
-  X: d3_time_parseLocaleTime,
-  y: d3_time_parseYear,
-  Y: d3_time_parseFullYear
-  // ,
-  // Z: function(d, s, i) { /*TODO time zone */ return i; },
-  // "%": function(d, s, i) { /*TODO literal % */ return i; }
-};
-
-// Note: weekday is validated, but does not set the date.
-function d3_time_parseWeekdayAbbrev(date, string, i) {
-  return d3_time_weekdayAbbrevRe.test(string.substring(i, i += 3)) ? i : -1;
-}
-
-// Note: weekday is validated, but does not set the date.
-function d3_time_parseWeekday(date, string, i) {
-  d3_time_weekdayRe.lastIndex = 0;
-  var n = d3_time_weekdayRe.exec(string.substring(i, i + 10));
-  return n ? i += n[0].length : -1;
-}
-
-var d3_time_weekdayAbbrevRe = /^(?:sun|mon|tue|wed|thu|fri|sat)/i,
-    d3_time_weekdayRe = /^(?:Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday)/i,
-    d3_time_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
-
-function d3_time_parseMonthAbbrev(date, string, i) {
-  var n = d3_time_monthAbbrevLookup.get(string.substring(i, i += 3).toLowerCase());
-  return n == null ? -1 : (date.m = n, i);
-}
-
-var d3_time_monthAbbrevLookup = d3.map({
-  jan: 0,
-  feb: 1,
-  mar: 2,
-  apr: 3,
-  may: 4,
-  jun: 5,
-  jul: 6,
-  aug: 7,
-  sep: 8,
-  oct: 9,
-  nov: 10,
-  dec: 11
-});
-
-function d3_time_parseMonth(date, string, i) {
-  d3_time_monthRe.lastIndex = 0;
-  var n = d3_time_monthRe.exec(string.substring(i, i + 12));
-  return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
-}
-
-var d3_time_monthRe = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)/ig;
-
-var d3_time_monthLookup = d3.map({
-  january: 0,
-  february: 1,
-  march: 2,
-  april: 3,
-  may: 4,
-  june: 5,
-  july: 6,
-  august: 7,
-  september: 8,
-  october: 9,
-  november: 10,
-  december: 11
-});
-
-var d3_time_months = [
-  "January",
-  "February",
-  "March",
-  "April",
-  "May",
-  "June",
-  "July",
-  "August",
-  "September",
-  "October",
-  "November",
-  "December"
-];
-
-function d3_time_parseLocaleFull(date, string, i) {
-  return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
-}
-
-function d3_time_parseLocaleDate(date, string, i) {
-  return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
-}
-
-function d3_time_parseLocaleTime(date, string, i) {
-  return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
-}
-
-function d3_time_parseFullYear(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 4));
-  return n ? (date.y = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseYear(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.y = d3_time_century() + +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_century() {
-  return ~~(new Date().getFullYear() / 1000) * 1000;
-}
-
-function d3_time_parseMonthNumber(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
-}
-
-function d3_time_parseDay(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.d = +n[0], i += n[0].length) : -1;
-}
-
-// Note: we don't validate that the hour is in the range [0,23] or [1,12].
-function d3_time_parseHour24(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.H = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseMinutes(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.M = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseSeconds(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.S = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseMilliseconds(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 3));
-  return n ? (date.L = +n[0], i += n[0].length) : -1;
-}
-
-// Note: we don't look at the next directive.
-var d3_time_numberRe = /\s*\d+/;
-
-function d3_time_parseAmPm(date, string, i) {
-  var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
-  return n == null ? -1 : (date.p = n, i);
-}
-
-var d3_time_amPmLookup = d3.map({
-  am: 0,
-  pm: 1
-});
-
-// TODO table of time zone offset names?
-function d3_time_zone(d) {
-  var z = d.getTimezoneOffset(),
-      zs = z > 0 ? "-" : "+",
-      zh = ~~(Math.abs(z) / 60),
-      zm = Math.abs(z) % 60;
-  return zs + d3_time_zfill2(zh) + d3_time_zfill2(zm);
-}
-d3.time.format.utc = function(template) {
-  var local = d3.time.format(template);
-
-  function format(date) {
-    try {
-      d3_time = d3_time_utc;
-      var utc = new d3_time();
-      utc._ = date;
-      return local(utc);
-    } finally {
-      d3_time = Date;
-    }
-  }
-
-  format.parse = function(string) {
-    try {
-      d3_time = d3_time_utc;
-      var date = local.parse(string);
-      return date && date._;
-    } finally {
-      d3_time = Date;
-    }
-  };
-
-  format.toString = local.toString;
-
-  return format;
-};
-var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
-
-d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso;
-
-function d3_time_formatIsoNative(date) {
-  return date.toISOString();
-}
-
-d3_time_formatIsoNative.parse = function(string) {
-  return new Date(string);
-};
-
-d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
-function d3_time_interval(local, step, number) {
-
-  function round(date) {
-    var d0 = local(date), d1 = offset(d0, 1);
-    return date - d0 < d1 - date ? d0 : d1;
-  }
-
-  function ceil(date) {
-    step(date = local(new d3_time(date - 1)), 1);
-    return date;
-  }
-
-  function offset(date, k) {
-    step(date = new d3_time(+date), k);
-    return date;
-  }
-
-  function range(t0, t1, dt) {
-    var time = ceil(t0), times = [];
-    if (dt > 1) {
-      while (time < t1) {
-        if (!(number(time) % dt)) times.push(new Date(+time));
-        step(time, 1);
+  function d3_time_interval_utc(method) {
+    return function(date, k) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time_utc();
+        utc._ = date;
+        return method(utc, k)._;
+      } finally {
+        d3_time = Date;
       }
-    } else {
-      while (time < t1) times.push(new Date(+time)), step(time, 1);
-    }
-    return times;
+    };
   }
-
-  function range_utc(t0, t1, dt) {
-    try {
-      d3_time = d3_time_utc;
-      var utc = new d3_time_utc();
-      utc._ = t0;
-      return range(utc, t1, dt);
-    } finally {
-      d3_time = Date;
-    }
-  }
-
-  local.floor = local;
-  local.round = round;
-  local.ceil = ceil;
-  local.offset = offset;
-  local.range = range;
-
-  var utc = local.utc = d3_time_interval_utc(local);
-  utc.floor = utc;
-  utc.round = d3_time_interval_utc(round);
-  utc.ceil = d3_time_interval_utc(ceil);
-  utc.offset = d3_time_interval_utc(offset);
-  utc.range = range_utc;
-
-  return local;
-}
-
-function d3_time_interval_utc(method) {
-  return function(date, k) {
-    try {
-      d3_time = d3_time_utc;
-      var utc = new d3_time_utc();
-      utc._ = date;
-      return method(utc, k)._;
-    } finally {
-      d3_time = Date;
-    }
-  };
-}
-d3.time.second = d3_time_interval(function(date) {
-  return new d3_time(Math.floor(date / 1e3) * 1e3);
-}, function(date, offset) {
-  date.setTime(date.getTime() + Math.floor(offset) * 1e3); // DST breaks setSeconds
-}, function(date) {
-  return date.getSeconds();
-});
-
-d3.time.seconds = d3.time.second.range;
-d3.time.seconds.utc = d3.time.second.utc.range;
-d3.time.minute = d3_time_interval(function(date) {
-  return new d3_time(Math.floor(date / 6e4) * 6e4);
-}, function(date, offset) {
-  date.setTime(date.getTime() + Math.floor(offset) * 6e4); // DST breaks setMinutes
-}, function(date) {
-  return date.getMinutes();
-});
-
-d3.time.minutes = d3.time.minute.range;
-d3.time.minutes.utc = d3.time.minute.utc.range;
-d3.time.hour = d3_time_interval(function(date) {
-  var timezone = date.getTimezoneOffset() / 60;
-  return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
-}, function(date, offset) {
-  date.setTime(date.getTime() + Math.floor(offset) * 36e5); // DST breaks setHours
-}, function(date) {
-  return date.getHours();
-});
-
-d3.time.hours = d3.time.hour.range;
-d3.time.hours.utc = d3.time.hour.utc.range;
-d3.time.day = d3_time_interval(function(date) {
-  return new d3_time(date.getFullYear(), date.getMonth(), date.getDate());
-}, function(date, offset) {
-  date.setDate(date.getDate() + offset);
-}, function(date) {
-  return date.getDate() - 1;
-});
-
-d3.time.days = d3.time.day.range;
-d3.time.days.utc = d3.time.day.utc.range;
-
-d3.time.dayOfYear = function(date) {
-  var year = d3.time.year(date);
-  return Math.floor((date - year) / 864e5 - (date.getTimezoneOffset() - year.getTimezoneOffset()) / 1440);
-};
-d3_time_weekdays.forEach(function(day, i) {
-  day = day.toLowerCase();
-  i = 7 - i;
-
-  var interval = d3.time[day] = d3_time_interval(function(date) {
-    (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+  d3.time.year = d3_time_interval(function(date) {
+    date = d3.time.day(date);
+    date.setMonth(0, 1);
     return date;
   }, function(date, offset) {
-    date.setDate(date.getDate() + Math.floor(offset) * 7);
+    date.setFullYear(date.getFullYear() + offset);
   }, function(date) {
-    var day = d3.time.year(date).getDay();
-    return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+    return date.getFullYear();
   });
-
-  d3.time[day + "s"] = interval.range;
-  d3.time[day + "s"].utc = interval.utc.range;
-
-  d3.time[day + "OfYear"] = function(date) {
-    var day = d3.time.year(date).getDay();
-    return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
+  d3.time.years = d3.time.year.range;
+  d3.time.years.utc = d3.time.year.utc.range;
+  d3.time.day = d3_time_interval(function(date) {
+    var day = new d3_time(1970, 0);
+    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+    return day;
+  }, function(date, offset) {
+    date.setDate(date.getDate() + offset);
+  }, function(date) {
+    return date.getDate() - 1;
+  });
+  d3.time.days = d3.time.day.range;
+  d3.time.days.utc = d3.time.day.utc.range;
+  d3.time.dayOfYear = function(date) {
+    var year = d3.time.year(date);
+    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
   };
-});
-
-d3.time.week = d3.time.sunday;
-d3.time.weeks = d3.time.sunday.range;
-d3.time.weeks.utc = d3.time.sunday.utc.range;
-d3.time.weekOfYear = d3.time.sundayOfYear;
-d3.time.month = d3_time_interval(function(date) {
-  return new d3_time(date.getFullYear(), date.getMonth(), 1);
-}, function(date, offset) {
-  date.setMonth(date.getMonth() + offset);
-}, function(date) {
-  return date.getMonth();
-});
-
-d3.time.months = d3.time.month.range;
-d3.time.months.utc = d3.time.month.utc.range;
-d3.time.year = d3_time_interval(function(date) {
-  return new d3_time(date.getFullYear(), 0, 1);
-}, function(date, offset) {
-  date.setFullYear(date.getFullYear() + offset);
-}, function(date) {
-  return date.getFullYear();
-});
-
-d3.time.years = d3.time.year.range;
-d3.time.years.utc = d3.time.year.utc.range;
-function d3_time_scale(linear, methods, format) {
-
-  function scale(x) {
-    return linear(x);
-  }
-
-  scale.invert = function(x) {
-    return d3_time_scaleDate(linear.invert(x));
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
-    linear.domain(x);
-    return scale;
-  };
-
-  scale.nice = function(m) {
-    var extent = d3_time_scaleExtent(scale.domain());
-    return scale.domain([m.floor(extent[0]), m.ceil(extent[1])]);
-  };
-
-  scale.ticks = function(m, k) {
-    var extent = d3_time_scaleExtent(scale.domain());
-    if (typeof m !== "function") {
-      var span = extent[1] - extent[0],
-          target = span / m,
-          i = d3.bisect(d3_time_scaleSteps, target);
-      if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
-      if (!i) return linear.ticks(m).map(d3_time_scaleDate);
-      if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
-      m = methods[i];
-      k = m[1];
-      m = m[0].range;
+  d3_time_daySymbols.forEach(function(day, i) {
+    day = day.toLowerCase();
+    i = 7 - i;
+    var interval = d3.time[day] = d3_time_interval(function(date) {
+      (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+      return date;
+    }, function(date, offset) {
+      date.setDate(date.getDate() + Math.floor(offset) * 7);
+    }, function(date) {
+      var day = d3.time.year(date).getDay();
+      return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+    });
+    d3.time[day + "s"] = interval.range;
+    d3.time[day + "s"].utc = interval.utc.range;
+    d3.time[day + "OfYear"] = function(date) {
+      var day = d3.time.year(date).getDay();
+      return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
+    };
+  });
+  d3.time.week = d3.time.sunday;
+  d3.time.weeks = d3.time.sunday.range;
+  d3.time.weeks.utc = d3.time.sunday.utc.range;
+  d3.time.weekOfYear = d3.time.sundayOfYear;
+  d3.time.format = function(template) {
+    var n = template.length;
+    function format(date) {
+      var string = [], i = -1, j = 0, c, p, f;
+      while (++i < n) {
+        if (template.charCodeAt(i) === 37) {
+          string.push(template.substring(j, i));
+          if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
+          if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
+          string.push(c);
+          j = i + 1;
+        }
+      }
+      string.push(template.substring(j, i));
+      return string.join("");
     }
-    return m(extent[0], new Date(+extent[1] + 1), k); // inclusive upper bound
-  };
-
-  scale.tickFormat = function() {
+    format.parse = function(string) {
+      var d = {
+        y: 1900,
+        m: 0,
+        d: 1,
+        H: 0,
+        M: 0,
+        S: 0,
+        L: 0
+      }, i = d3_time_parse(d, template, string, 0);
+      if (i != string.length) return null;
+      if ("p" in d) d.H = d.H % 12 + d.p * 12;
+      var date = new d3_time();
+      date.setFullYear(d.y, d.m, d.d);
+      date.setHours(d.H, d.M, d.S, d.L);
+      return date;
+    };
+    format.toString = function() {
+      return template;
+    };
     return format;
   };
-
-  scale.copy = function() {
-    return d3_time_scale(linear.copy(), methods, format);
+  function d3_time_parse(date, template, string, j) {
+    var c, p, i = 0, n = template.length, m = string.length;
+    while (i < n) {
+      if (j >= m) return -1;
+      c = template.charCodeAt(i++);
+      if (c === 37) {
+        p = d3_time_parsers[template.charAt(i++)];
+        if (!p || (j = p(date, string, j)) < 0) return -1;
+      } else if (c != string.charCodeAt(j++)) {
+        return -1;
+      }
+    }
+    return j;
+  }
+  function d3_time_formatRe(names) {
+    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+  }
+  function d3_time_formatLookup(names) {
+    var map = new d3_Map(), i = -1, n = names.length;
+    while (++i < n) map.set(names[i].toLowerCase(), i);
+    return map;
+  }
+  function d3_time_formatPad(value, fill, width) {
+    value += "";
+    var length = value.length;
+    return length < width ? new Array(width - length + 1).join(fill) + value : value;
+  }
+  var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations);
+  var d3_time_formatPads = {
+    "-": "",
+    _: " ",
+    "0": "0"
   };
-
-  // TOOD expose d3_scale_linear_rebind?
-  return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-}
-
-// TODO expose d3_scaleExtent?
-function d3_time_scaleExtent(domain) {
-  var start = domain[0], stop = domain[domain.length - 1];
-  return start < stop ? [start, stop] : [stop, start];
-}
-
-function d3_time_scaleDate(t) {
-  return new Date(t);
-}
-
-function d3_time_scaleFormat(formats) {
-  return function(date) {
-    var i = formats.length - 1, f = formats[i];
-    while (!f[1](date)) f = formats[--i];
-    return f[0](date);
+  var d3_time_formats = {
+    a: function(d) {
+      return d3_time_dayAbbreviations[d.getDay()];
+    },
+    A: function(d) {
+      return d3_time_days[d.getDay()];
+    },
+    b: function(d) {
+      return d3_time_monthAbbreviations[d.getMonth()];
+    },
+    B: function(d) {
+      return d3_time_months[d.getMonth()];
+    },
+    c: d3.time.format(d3_time_formatDateTime),
+    d: function(d, p) {
+      return d3_time_formatPad(d.getDate(), p, 2);
+    },
+    e: function(d, p) {
+      return d3_time_formatPad(d.getDate(), p, 2);
+    },
+    H: function(d, p) {
+      return d3_time_formatPad(d.getHours(), p, 2);
+    },
+    I: function(d, p) {
+      return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
+    },
+    j: function(d, p) {
+      return d3_time_formatPad(1 + d3.time.dayOfYear(d), p, 3);
+    },
+    L: function(d, p) {
+      return d3_time_formatPad(d.getMilliseconds(), p, 3);
+    },
+    m: function(d, p) {
+      return d3_time_formatPad(d.getMonth() + 1, p, 2);
+    },
+    M: function(d, p) {
+      return d3_time_formatPad(d.getMinutes(), p, 2);
+    },
+    p: function(d) {
+      return d.getHours() >= 12 ? "PM" : "AM";
+    },
+    S: function(d, p) {
+      return d3_time_formatPad(d.getSeconds(), p, 2);
+    },
+    U: function(d, p) {
+      return d3_time_formatPad(d3.time.sundayOfYear(d), p, 2);
+    },
+    w: function(d) {
+      return d.getDay();
+    },
+    W: function(d, p) {
+      return d3_time_formatPad(d3.time.mondayOfYear(d), p, 2);
+    },
+    x: d3.time.format(d3_time_formatDate),
+    X: d3.time.format(d3_time_formatTime),
+    y: function(d, p) {
+      return d3_time_formatPad(d.getFullYear() % 100, p, 2);
+    },
+    Y: function(d, p) {
+      return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
+    },
+    Z: d3_time_zone,
+    "%": function() {
+      return "%";
+    }
   };
-}
-
-function d3_time_scaleSetYear(y) {
-  var d = new Date(y, 0, 1);
-  d.setFullYear(y); // Y2K fail
-  return d;
-}
-
-function d3_time_scaleGetYear(d) {
-  var y = d.getFullYear(),
-      d0 = d3_time_scaleSetYear(y),
-      d1 = d3_time_scaleSetYear(y + 1);
-  return y + (d - d0) / (d1 - d0);
-}
-
-var d3_time_scaleSteps = [
-  1e3,    // 1-second
-  5e3,    // 5-second
-  15e3,   // 15-second
-  3e4,    // 30-second
-  6e4,    // 1-minute
-  3e5,    // 5-minute
-  9e5,    // 15-minute
-  18e5,   // 30-minute
-  36e5,   // 1-hour
-  108e5,  // 3-hour
-  216e5,  // 6-hour
-  432e5,  // 12-hour
-  864e5,  // 1-day
-  1728e5, // 2-day
-  6048e5, // 1-week
-  2592e6, // 1-month
-  7776e6, // 3-month
-  31536e6 // 1-year
-];
-
-var d3_time_scaleLocalMethods = [
-  [d3.time.second, 1],
-  [d3.time.second, 5],
-  [d3.time.second, 15],
-  [d3.time.second, 30],
-  [d3.time.minute, 1],
-  [d3.time.minute, 5],
-  [d3.time.minute, 15],
-  [d3.time.minute, 30],
-  [d3.time.hour, 1],
-  [d3.time.hour, 3],
-  [d3.time.hour, 6],
-  [d3.time.hour, 12],
-  [d3.time.day, 1],
-  [d3.time.day, 2],
-  [d3.time.week, 1],
-  [d3.time.month, 1],
-  [d3.time.month, 3],
-  [d3.time.year, 1]
-];
-
-var d3_time_scaleLocalFormats = [
-  [d3.time.format("%Y"), function(d) { return true; }],
-  [d3.time.format("%B"), function(d) { return d.getMonth(); }],
-  [d3.time.format("%b %d"), function(d) { return d.getDate() != 1; }],
-  [d3.time.format("%a %d"), function(d) { return d.getDay() && d.getDate() != 1; }],
-  [d3.time.format("%I %p"), function(d) { return d.getHours(); }],
-  [d3.time.format("%I:%M"), function(d) { return d.getMinutes(); }],
-  [d3.time.format(":%S"), function(d) { return d.getSeconds(); }],
-  [d3.time.format(".%L"), function(d) { return d.getMilliseconds(); }]
-];
-
-var d3_time_scaleLinear = d3.scale.linear(),
-    d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
-
-d3_time_scaleLocalMethods.year = function(extent, m) {
-  return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
-};
-
-d3.time.scale = function() {
-  return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
-};
-var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
-  return [m[0].utc, m[1]];
-});
-
-var d3_time_scaleUTCFormats = [
-  [d3.time.format.utc("%Y"), function(d) { return true; }],
-  [d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); }],
-  [d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; }],
-  [d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; }],
-  [d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); }],
-  [d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); }],
-  [d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds(); }],
-  [d3.time.format.utc(".%L"), function(d) { return d.getUTCMilliseconds(); }]
-];
-
-var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
-
-function d3_time_scaleUTCSetYear(y) {
-  var d = new Date(Date.UTC(y, 0, 1));
-  d.setUTCFullYear(y); // Y2K fail
-  return d;
-}
-
-function d3_time_scaleUTCGetYear(d) {
-  var y = d.getUTCFullYear(),
-      d0 = d3_time_scaleUTCSetYear(y),
-      d1 = d3_time_scaleUTCSetYear(y + 1);
-  return y + (d - d0) / (d1 - d0);
-}
-
-d3_time_scaleUTCMethods.year = function(extent, m) {
-  return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
-};
-
-d3.time.scale.utc = function() {
-  return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
-};
-})();
+  var d3_time_parsers = {
+    a: d3_time_parseWeekdayAbbrev,
+    A: d3_time_parseWeekday,
+    b: d3_time_parseMonthAbbrev,
+    B: d3_time_parseMonth,
+    c: d3_time_parseLocaleFull,
+    d: d3_time_parseDay,
+    e: d3_time_parseDay,
+    H: d3_time_parseHour24,
+    I: d3_time_parseHour24,
+    L: d3_time_parseMilliseconds,
+    m: d3_time_parseMonthNumber,
+    M: d3_time_parseMinutes,
+    p: d3_time_parseAmPm,
+    S: d3_time_parseSeconds,
+    x: d3_time_parseLocaleDate,
+    X: d3_time_parseLocaleTime,
+    y: d3_time_parseYear,
+    Y: d3_time_parseFullYear
+  };
+  function d3_time_parseWeekdayAbbrev(date, string, i) {
+    d3_time_dayAbbrevRe.lastIndex = 0;
+    var n = d3_time_dayAbbrevRe.exec(string.substring(i));
+    return n ? i += n[0].length : -1;
+  }
+  function d3_time_parseWeekday(date, string, i) {
+    d3_time_dayRe.lastIndex = 0;
+    var n = d3_time_dayRe.exec(string.substring(i));
+    return n ? i += n[0].length : -1;
+  }
+  function d3_time_parseMonthAbbrev(date, string, i) {
+    d3_time_monthAbbrevRe.lastIndex = 0;
+    var n = d3_time_monthAbbrevRe.exec(string.substring(i));
+    return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+  }
+  function d3_time_parseMonth(date, string, i) {
+    d3_time_monthRe.lastIndex = 0;
+    var n = d3_time_monthRe.exec(string.substring(i));
+    return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+  }
+  function d3_time_parseLocaleFull(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+  }
+  function d3_time_parseLocaleDate(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+  }
+  function d3_time_parseLocaleTime(date, string, i) {
+    return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+  }
+  function d3_time_parseFullYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 4));
+    return n ? (date.y = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1;
+  }
+  function d3_time_expandYear(d) {
+    return d + (d > 68 ? 1900 : 2e3);
+  }
+  function d3_time_parseMonthNumber(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
+  }
+  function d3_time_parseDay(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.d = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseHour24(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.H = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseMinutes(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.M = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseSeconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.S = +n[0], i += n[0].length) : -1;
+  }
+  function d3_time_parseMilliseconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 3));
+    return n ? (date.L = +n[0], i += n[0].length) : -1;
+  }
+  var d3_time_numberRe = /^\s*\d+/;
+  function d3_time_parseAmPm(date, string, i) {
+    var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
+    return n == null ? -1 : (date.p = n, i);
+  }
+  var d3_time_amPmLookup = d3.map({
+    am: 0,
+    pm: 1
+  });
+  function d3_time_zone(d) {
+    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60;
+    return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
+  }
+  d3.time.format.utc = function(template) {
+    var local = d3.time.format(template);
+    function format(date) {
+      try {
+        d3_time = d3_time_utc;
+        var utc = new d3_time();
+        utc._ = date;
+        return local(utc);
+      } finally {
+        d3_time = Date;
+      }
+    }
+    format.parse = function(string) {
+      try {
+        d3_time = d3_time_utc;
+        var date = local.parse(string);
+        return date && date._;
+      } finally {
+        d3_time = Date;
+      }
+    };
+    format.toString = local.toString;
+    return format;
+  };
+  var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
+  d3.time.format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
+  function d3_time_formatIsoNative(date) {
+    return date.toISOString();
+  }
+  d3_time_formatIsoNative.parse = function(string) {
+    var date = new Date(string);
+    return isNaN(date) ? null : date;
+  };
+  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+  d3.time.second = d3_time_interval(function(date) {
+    return new d3_time(Math.floor(date / 1e3) * 1e3);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+  }, function(date) {
+    return date.getSeconds();
+  });
+  d3.time.seconds = d3.time.second.range;
+  d3.time.seconds.utc = d3.time.second.utc.range;
+  d3.time.minute = d3_time_interval(function(date) {
+    return new d3_time(Math.floor(date / 6e4) * 6e4);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+  }, function(date) {
+    return date.getMinutes();
+  });
+  d3.time.minutes = d3.time.minute.range;
+  d3.time.minutes.utc = d3.time.minute.utc.range;
+  d3.time.hour = d3_time_interval(function(date) {
+    var timezone = date.getTimezoneOffset() / 60;
+    return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+  }, function(date) {
+    return date.getHours();
+  });
+  d3.time.hours = d3.time.hour.range;
+  d3.time.hours.utc = d3.time.hour.utc.range;
+  d3.time.month = d3_time_interval(function(date) {
+    date = d3.time.day(date);
+    date.setDate(1);
+    return date;
+  }, function(date, offset) {
+    date.setMonth(date.getMonth() + offset);
+  }, function(date) {
+    return date.getMonth();
+  });
+  d3.time.months = d3.time.month.range;
+  d3.time.months.utc = d3.time.month.utc.range;
+  function d3_time_scale(linear, methods, format) {
+    function scale(x) {
+      return linear(x);
+    }
+    scale.invert = function(x) {
+      return d3_time_scaleDate(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+      linear.domain(x);
+      return scale;
+    };
+    scale.nice = function(m) {
+      return scale.domain(d3_scale_nice(scale.domain(), function() {
+        return m;
+      }));
+    };
+    scale.ticks = function(m, k) {
+      var extent = d3_time_scaleExtent(scale.domain());
+      if (typeof m !== "function") {
+        var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target);
+        if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
+        if (!i) return linear.ticks(m).map(d3_time_scaleDate);
+        if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
+        m = methods[i];
+        k = m[1];
+        m = m[0].range;
+      }
+      return m(extent[0], new Date(+extent[1] + 1), k);
+    };
+    scale.tickFormat = function() {
+      return format;
+    };
+    scale.copy = function() {
+      return d3_time_scale(linear.copy(), methods, format);
+    };
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_time_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_time_scaleDate(t) {
+    return new Date(t);
+  }
+  function d3_time_scaleFormat(formats) {
+    return function(date) {
+      var i = formats.length - 1, f = formats[i];
+      while (!f[1](date)) f = formats[--i];
+      return f[0](date);
+    };
+  }
+  function d3_time_scaleSetYear(y) {
+    var d = new Date(y, 0, 1);
+    d.setFullYear(y);
+    return d;
+  }
+  function d3_time_scaleGetYear(d) {
+    var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1);
+    return y + (d - d0) / (d1 - d0);
+  }
+  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+  var d3_time_scaleLocalMethods = [ [ d3.time.second, 1 ], [ d3.time.second, 5 ], [ d3.time.second, 15 ], [ d3.time.second, 30 ], [ d3.time.minute, 1 ], [ d3.time.minute, 5 ], [ d3.time.minute, 15 ], [ d3.time.minute, 30 ], [ d3.time.hour, 1 ], [ d3.time.hour, 3 ], [ d3.time.hour, 6 ], [ d3.time.hour, 12 ], [ d3.time.day, 1 ], [ d3.time.day, 2 ], [ d3.time.week, 1 ], [ d3.time.month, 1 ], [ d3.time.month, 3 ], [ d3.time.year, 1 ] ];
+  var d3_time_scaleLocalFormats = [ [ d3.time.format("%Y"), d3_true ], [ d3.time.format("%B"), function(d) {
+    return d.getMonth();
+  } ], [ d3.time.format("%b %d"), function(d) {
+    return d.getDate() != 1;
+  } ], [ d3.time.format("%a %d"), function(d) {
+    return d.getDay() && d.getDate() != 1;
+  } ], [ d3.time.format("%I %p"), function(d) {
+    return d.getHours();
+  } ], [ d3.time.format("%I:%M"), function(d) {
+    return d.getMinutes();
+  } ], [ d3.time.format(":%S"), function(d) {
+    return d.getSeconds();
+  } ], [ d3.time.format(".%L"), function(d) {
+    return d.getMilliseconds();
+  } ] ];
+  var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
+  d3_time_scaleLocalMethods.year = function(extent, m) {
+    return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
+  };
+  d3.time.scale = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+  };
+  var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
+    return [ m[0].utc, m[1] ];
+  });
+  var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), d3_true ], [ d3.time.format.utc("%B"), function(d) {
+    return d.getUTCMonth();
+  } ], [ d3.time.format.utc("%b %d"), function(d) {
+    return d.getUTCDate() != 1;
+  } ], [ d3.time.format.utc("%a %d"), function(d) {
+    return d.getUTCDay() && d.getUTCDate() != 1;
+  } ], [ d3.time.format.utc("%I %p"), function(d) {
+    return d.getUTCHours();
+  } ], [ d3.time.format.utc("%I:%M"), function(d) {
+    return d.getUTCMinutes();
+  } ], [ d3.time.format.utc(":%S"), function(d) {
+    return d.getUTCSeconds();
+  } ], [ d3.time.format.utc(".%L"), function(d) {
+    return d.getUTCMilliseconds();
+  } ] ];
+  var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
+  function d3_time_scaleUTCSetYear(y) {
+    var d = new Date(Date.UTC(y, 0, 1));
+    d.setUTCFullYear(y);
+    return d;
+  }
+  function d3_time_scaleUTCGetYear(d) {
+    var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1);
+    return y + (d - d0) / (d1 - d0);
+  }
+  d3_time_scaleUTCMethods.year = function(extent, m) {
+    return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
+  };
+  d3.time.scale.utc = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
+  };
+  d3.text = function() {
+    return d3.xhr.apply(d3, arguments).response(d3_text);
+  };
+  function d3_text(request) {
+    return request.responseText;
+  }
+  d3.json = function(url, callback) {
+    return d3.xhr(url, "application/json", callback).response(d3_json);
+  };
+  function d3_json(request) {
+    return JSON.parse(request.responseText);
+  }
+  d3.html = function(url, callback) {
+    return d3.xhr(url, "text/html", callback).response(d3_html);
+  };
+  function d3_html(request) {
+    var range = d3_document.createRange();
+    range.selectNode(d3_document.body);
+    return range.createContextualFragment(request.responseText);
+  }
+  d3.xml = function() {
+    return d3.xhr.apply(d3, arguments).response(d3_xml);
+  };
+  function d3_xml(request) {
+    return request.responseXML;
+  }
+  return d3;
+}();
\ No newline at end of file
diff --git a/static/scripts/pack_scripts.py b/static/scripts/pack_scripts.py
index 0544c933c47..5ca85222636 100755
--- a/static/scripts/pack_scripts.py
+++ b/static/scripts/pack_scripts.py
@@ -10,7 +10,7 @@ from os import path
 # Scripts that should not be packed -- just copied
 do_not_pack = set()
 
-cmd = "java -jar ../../scripts/yuicompressor.jar --type js %(fname)s -o packed/%(fname)s"
+cmd = "java -jar ../../scripts/yuicompressor.jar --charset utf-8 --type js %(fname)s -o packed/%(fname)s"
 # cmd = "java -jar ../../scripts/compiler.jar --compilation_level SIMPLE_OPTIMIZATIONS --js %(fname)s --js_output_file packed/%(fname)s"
 
 # If specific scripts specified on command line, just pack them, otherwise pack
diff --git a/static/scripts/packed/libs/d3.js b/static/scripts/packed/libs/d3.js
index ce0a5600592..7cca181ab7e 100644
--- a/static/scripts/packed/libs/d3.js
+++ b/static/scripts/packed/libs/d3.js
@@ -1 +1 @@
-(function(){if(!Date.now){Date.now=function(){return +new Date}}try{document.createElement("div").style.setProperty("opacity",0,"")}catch(c7){var bN=CSSStyleDeclaration.prototype,dY=bN.setProperty;bN.setProperty=function(e,eR,eQ){dY.call(this,e,eR+"",eQ)}}d3={version:"2.9.2"};function eK(eS,eR){try{for(var eQ in eR){Object.defineProperty(eS.prototype,eQ,{value:eR[eQ],enumerable:false})}}catch(eT){eS.prototype=eR}}var bU=aN;function eI(eQ){var e=-1,eS=eQ.length,eR=[];while(++e<eS){eR.push(eQ[e])}return eR}function aN(e){return Array.prototype.slice.call(e)}try{bU(document.documentElement.childNodes)[0].nodeType}catch(eh){bU=eI}var cA=[].__proto__?function(eQ,e){eQ.__proto__=e}:function(eR,e){for(var eQ in e){eR[eQ]=e[eQ]}};d3.map=function(e){var eR=new ad;for(var eQ in e){eR.set(eQ,e[eQ])}return eR};function ad(){}eK(ad,{has:function(e){return eM+e in this},get:function(e){return this[eM+e]},set:function(e,eQ){return this[eM+e]=eQ},remove:function(e){e=eM+e;return e in this&&delete this[e]},keys:function(){var e=[];this.forEach(function(eQ){e.push(eQ)});return e},values:function(){var e=[];this.forEach(function(eQ,eR){e.push(eR)});return e},entries:function(){var e=[];this.forEach(function(eQ,eR){e.push({key:eQ,value:eR})});return e},forEach:function(eQ){for(var e in this){if(e.charCodeAt(0)===bP){eQ.call(this,e.substring(1),this[e])}}}});var eM="\0",bP=eM.charCodeAt(0);function dF(e){return e}function M(){return this}function P(){return true}function H(e){return typeof e==="function"?e:function(){return e}}d3.functor=H;d3.rebind=function(eR,eQ){var e=1,eT=arguments.length,eS;while(++e<eT){eR[eS=arguments[e]]=cl(eR,eQ,eQ[eS])}return eR};function cl(eQ,e,eR){return function(){var eS=eR.apply(e,arguments);return arguments.length?eQ:eS}}d3.ascending=function(eQ,e){return eQ<e?-1:eQ>e?1:eQ>=e?0:NaN};d3.descending=function(eQ,e){return e<eQ?-1:e>eQ?1:e>=eQ?0:NaN};d3.mean=function(eV,eT){var eU=eV.length,eQ,e=0,eS=-1,eR=0;if(arguments.length===1){while(++eS<eU){if(eo(eQ=eV[eS])){e+=(eQ-e)/++eR}}}else{while(++eS<eU){if(eo(eQ=eT.call(eV,eV[eS],eS))){e+=(eQ-e)/++eR}}}return eR?e:undefined};d3.median=function(eQ,e){if(arguments.length>1){eQ=eQ.map(e)}eQ=eQ.filter(eo);return eQ.length?d3.quantile(eQ.sort(d3.ascending),0.5):undefined};d3.min=function(eU,eS){var eR=-1,eT=eU.length,eQ,e;if(arguments.length===1){while(++eR<eT&&((eQ=eU[eR])==null||eQ!=eQ)){eQ=undefined}while(++eR<eT){if((e=eU[eR])!=null&&eQ>e){eQ=e}}}else{while(++eR<eT&&((eQ=eS.call(eU,eU[eR],eR))==null||eQ!=eQ)){eQ=undefined}while(++eR<eT){if((e=eS.call(eU,eU[eR],eR))!=null&&eQ>e){eQ=e}}}return eQ};d3.max=function(eU,eS){var eR=-1,eT=eU.length,eQ,e;if(arguments.length===1){while(++eR<eT&&((eQ=eU[eR])==null||eQ!=eQ)){eQ=undefined}while(++eR<eT){if((e=eU[eR])!=null&&e>eQ){eQ=e}}}else{while(++eR<eT&&((eQ=eS.call(eU,eU[eR],eR))==null||eQ!=eQ)){eQ=undefined}while(++eR<eT){if((e=eS.call(eU,eU[eR],eR))!=null&&e>eQ){eQ=e}}}return eQ};d3.extent=function(eV,eS){var eR=-1,eU=eV.length,eQ,e,eT;if(arguments.length===1){while(++eR<eU&&((eQ=eT=eV[eR])==null||eQ!=eQ)){eQ=eT=undefined}while(++eR<eU){if((e=eV[eR])!=null){if(eQ>e){eQ=e}if(eT<e){eT=e}}}}else{while(++eR<eU&&((eQ=eT=eS.call(eV,eV[eR],eR))==null||eQ!=eQ)){eQ=undefined}while(++eR<eU){if((e=eS.call(eV,eV[eR],eR))!=null){if(eQ>e){eQ=e}if(eT<e){eT=e}}}}return[eQ,eT]};d3.random={normal:function(e,eQ){if(arguments.length<2){eQ=1}if(arguments.length<1){e=0}return function(){var eR,eT,eS;do{eR=Math.random()*2-1;eT=Math.random()*2-1;eS=eR*eR+eT*eT}while(!eS||eS>1);return e+eQ*eR*Math.sqrt(-2*Math.log(eS)/eS)}}};function eo(e){return e!=null&&!isNaN(e)}d3.sum=function(eU,eS){var eR=0,eT=eU.length,e,eQ=-1;if(arguments.length===1){while(++eQ<eT){if(!isNaN(e=+eU[eQ])){eR+=e}}}else{while(++eQ<eT){if(!isNaN(e=+eS.call(eU,eU[eQ],eQ))){eR+=e}}}return eR};d3.quantile=function(eR,eV){var eS=(eR.length-1)*eV+1,eT=Math.floor(eS),eQ=eR[eT-1],eU=eS-eT;return eU?eQ+eU*(eR[eT]-eQ):eQ};d3.transpose=function(e){return d3.zip.apply(d3,e)};d3.zip=function(){if(!(eU=arguments.length)){return[]}for(var eS=-1,e=d3.min(arguments,cR),eR=new Array(e);++eS<e;){for(var eQ=-1,eU,eT=eR[eS]=new Array(eU);++eQ<eU;){eT[eQ]=arguments[eQ][eS]}}return eR};function cR(e){return e.length}d3.bisector=function(e){return{left:function(eR,eQ,eU,eT){if(arguments.length<3){eU=0}if(arguments.length<4){eT=eR.length}while(eU<eT){var eS=eU+eT>>1;if(e.call(eR,eR[eS],eS)<eQ){eU=eS+1}else{eT=eS}}return eU},right:function(eR,eQ,eU,eT){if(arguments.length<3){eU=0}if(arguments.length<4){eT=eR.length}while(eU<eT){var eS=eU+eT>>1;if(eQ<e.call(eR,eR[eS],eS)){eT=eS}else{eU=eS+1}}return eU}}};var dI=d3.bisector(function(e){return e});d3.bisectLeft=dI.left;d3.bisect=d3.bisectRight=dI.right;d3.first=function(eU,eS){var eR=0,eT=eU.length,eQ=eU[0],e;if(arguments.length===1){eS=d3.ascending}while(++eR<eT){if(eS.call(eU,eQ,e=eU[eR])>0){eQ=e}}return eQ};d3.last=function(eU,eS){var eR=0,eT=eU.length,eQ=eU[0],e;if(arguments.length===1){eS=d3.ascending}while(++eR<eT){if(eS.call(eU,eQ,e=eU[eR])<=0){eQ=e}}return eQ};d3.nest=function(){var eS={},eR=[],eV=[],eQ,eT;function eU(e3,e1){if(e1>=eR.length){return eT?eT.call(eS,e3):(eQ?e3.sort(eQ):e3)}var e2=-1,eX=e3.length,e5=eR[e1++],e0,eZ,eY=new ad,e4,eW={};while(++e2<eX){if(e4=eY.get(e0=e5(eZ=e3[e2]))){e4.push(eZ)}else{eY.set(e0,[eZ])}}eY.forEach(function(e6){eW[e6]=eU(eY.get(e6),e1)});return eW}function e(eZ,e0){if(e0>=eR.length){return eZ}var eW=[],eX=eV[e0++],eY;for(eY in eZ){eW.push({key:eY,values:e(eZ[eY],e0)})}if(eX){eW.sort(function(e2,e1){return 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diff --git a/static/scripts/packed/libs/handlebars.full.js b/static/scripts/packed/libs/handlebars.full.js
deleted file mode 100644
index 8abaa6be621..00000000000
--- a/static/scripts/packed/libs/handlebars.full.js
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@@ -1 +0,0 @@
-var Handlebars={};Handlebars.VERSION="1.0.beta.6";Handlebars.helpers={};Handlebars.partials={};Handlebars.registerHelper=function(b,c,a){if(a){c.not=a}this.helpers[b]=c};Handlebars.registerPartial=function(a,b){this.partials[a]=b};Handlebars.registerHelper("helperMissing",function(a){if(arguments.length===2){return undefined}else{throw new Error("Could not find property '"+a+"'")}});var toString=Object.prototype.toString,functionType="[object Function]";Handlebars.registerHelper("blockHelperMissing",function(f,d){var a=d.inverse||function(){},h=d.fn;var c="";var g=toString.call(f);if(g===functionType){f=f.call(this)}if(f===true){return h(this)}else{if(f===false||f==null){return a(this)}else{if(g==="[object Array]"){if(f.length>0){for(var e=0,b=f.length;e<b;e++){c=c+h(f[e])}}else{c=a(this)}return c}else{return h(f)}}}});Handlebars.registerHelper("each",function(f,d){var g=d.fn,a=d.inverse;var c="";if(f&&f.length>0){for(var e=0,b=f.length;e<b;e++){c=c+g(f[e])}}else{c=a(this)}return c});Handlebars.registerHelper("if",function(b,a){var c=toString.call(b);if(c===functionType){b=b.call(this)}if(!b||Handlebars.Utils.isEmpty(b)){return a.inverse(this)}else{return a.fn(this)}});Handlebars.registerHelper("unless",function(c,b){var d=b.fn,a=b.inverse;b.fn=a;b.inverse=d;return Handlebars.helpers["if"].call(this,c,b)});Handlebars.registerHelper("with",function(b,a){return a.fn(b)});Handlebars.registerHelper("log",function(a){Handlebars.log(a)});var handlebars=(function(){var f={trace:function c(){},yy:{},symbols_:{error:2,root:3,program:4,EOF:5,statements:6,simpleInverse:7,statement:8,openInverse:9,closeBlock:10,openBlock:11,mustache:12,partial:13,CONTENT:14,COMMENT:15,OPEN_BLOCK:16,inMustache:17,CLOSE:18,OPEN_INVERSE:19,OPEN_ENDBLOCK:20,path:21,OPEN:22,OPEN_UNESCAPED:23,OPEN_PARTIAL:24,params:25,hash:26,param:27,STRING:28,INTEGER:29,BOOLEAN:30,hashSegments:31,hashSegment:32,ID:33,EQUALS:34,pathSegments:35,SEP:36,"$accept":0,"$end":1},terminals_:{2:"error",5:"EOF",14:"CONTENT",15:"COMMENT",16:"OPEN_BLOCK",18:"CLOSE",19:"OPEN_INVERSE",20:"OPEN_ENDBLOCK",22:"OPEN",23:"OPEN_UNESCAPED",24:"OPEN_PARTIAL",28:"STRING",29:"INTEGER",30:"BOOLEAN",33:"ID",34:"EQUALS",36:"SEP"},productions_:[0,[3,2],[4,3],[4,1],[4,0],[6,1],[6,2],[8,3],[8,3],[8,1],[8,1],[8,1],[8,1],[11,3],[9,3],[10,3],[12,3],[12,3],[13,3],[13,4],[7,2],[17,3],[17,2],[17,2],[17,1],[25,2],[25,1],[27,1],[27,1],[27,1],[27,1],[26,1],[31,2],[31,1],[32,3],[32,3],[32,3],[32,3],[21,1],[35,3],[35,1]],performAction:function b(g,j,k,n,m,i,l){var h=i.length-1;switch(m){case 1:return i[h-1];break;case 2:this.$=new n.ProgramNode(i[h-2],i[h]);break;case 3:this.$=new n.ProgramNode(i[h]);break;case 4:this.$=new n.ProgramNode([]);break;case 5:this.$=[i[h]];break;case 6:i[h-1].push(i[h]);this.$=i[h-1];break;case 7:this.$=new n.InverseNode(i[h-2],i[h-1],i[h]);break;case 8:this.$=new n.BlockNode(i[h-2],i[h-1],i[h]);break;case 9:this.$=i[h];break;case 10:this.$=i[h];break;case 11:this.$=new n.ContentNode(i[h]);break;case 12:this.$=new n.CommentNode(i[h]);break;case 13:this.$=new n.MustacheNode(i[h-1][0],i[h-1][1]);break;case 14:this.$=new n.MustacheNode(i[h-1][0],i[h-1][1]);break;case 15:this.$=i[h-1];break;case 16:this.$=new n.MustacheNode(i[h-1][0],i[h-1][1]);break;case 17:this.$=new n.MustacheNode(i[h-1][0],i[h-1][1],true);break;case 18:this.$=new n.PartialNode(i[h-1]);break;case 19:this.$=new n.PartialNode(i[h-2],i[h-1]);break;case 20:break;case 21:this.$=[[i[h-2]].concat(i[h-1]),i[h]];break;case 22:this.$=[[i[h-1]].concat(i[h]),null];break;case 23:this.$=[[i[h-1]],i[h]];break;case 24:this.$=[[i[h]],null];break;case 25:i[h-1].push(i[h]);this.$=i[h-1];break;case 26:this.$=[i[h]];break;case 27:this.$=i[h];break;case 28:this.$=new n.StringNode(i[h]);break;case 29:this.$=new n.IntegerNode(i[h]);break;case 30:this.$=new n.BooleanNode(i[h]);break;case 31:this.$=new n.HashNode(i[h]);break;case 32:i[h-1].push(i[h]);this.$=i[h-1];break;case 33:this.$=[i[h]];break;case 34:this.$=[i[h-2],i[h]];break;case 35:this.$=[i[h-2],new n.StringNode(i[h])];break;case 36:this.$=[i[h-2],new n.IntegerNode(i[h])];break;case 37:this.$=[i[h-2],new n.BooleanNode(i[h])];break;case 38:this.$=new n.IdNode(i[h]);break;case 39:i[h-2].push(i[h]);this.$=i[h-2];break;case 40:this.$=[i[h]];break}},table:[{3:1,4:2,5:[2,4],6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],24:[1,15]},{1:[3]},{5:[1,16]},{5:[2,3],7:17,8:18,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,19],20:[2,3],22:[1,13],23:[1,14],24:[1,15]},{5:[2,5],14:[2,5],15:[2,5],16:[2,5],19:[2,5],20:[2,5],22:[2,5],23:[2,5],24:[2,5]},{4:20,6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],24:[1,15]},{4:21,6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],24:[1,15]},{5:[2,9],14:[2,9],15:[2,9],16:[2,9],19:[2,9],20:[2,9],22:[2,9],23:[2,9],24:[2,9]},{5:[2,10],14:[2,10],15:[2,10],16:[2,10],19:[2,10],20:[2,10],22:[2,10],23:[2,10],24:[2,10]},{5:[2,11],14:[2,11],15:[2,11],16:[2,11],19:[2,11],20:[2,11],22:[2,11],23:[2,11],24:[2,11]},{5:[2,12],14:[2,12],15:[2,12],16:[2,12],19:[2,12],20:[2,12],22:[2,12],23:[2,12],24:[2,12]},{17:22,21:23,33:[1,25],35:24},{17:26,21:23,33:[1,25],35:24},{17:27,21:23,33:[1,25],35:24},{17:28,21:23,33:[1,25],35:24},{21:29,33:[1,25],35:24},{1:[2,1]},{6:30,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],24:[1,15]},{5:[2,6],14:[2,6],15:[2,6],16:[2,6],19:[2,6],20:[2,6],22:[2,6],23:[2,6],24:[2,6]},{17:22,18:[1,31],21:23,33:[1,25],35:24},{10:32,20:[1,33]},{10:34,20:[1,33]},{18:[1,35]},{18:[2,24],21:40,25:36,26:37,27:38,28:[1,41],29:[1,42],30:[1,43],31:39,32:44,33:[1,45],35:24},{18:[2,38],28:[2,38],29:[2,38],30:[2,38],33:[2,38],36:[1,46]},{18:[2,40],28:[2,40],29:[2,40],30:[2,40],33:[2,40],36:[2,40]},{18:[1,47]},{18:[1,48]},{18:[1,49]},{18:[1,50],21:51,33:[1,25],35:24},{5:[2,2],8:18,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,2],22:[1,13],23:[1,14],24:[1,15]},{14:[2,20],15:[2,20],16:[2,20],19:[2,20],22:[2,20],23:[2,20],24:[2,20]},{5:[2,7],14:[2,7],15:[2,7],16:[2,7],19:[2,7],20:[2,7],22:[2,7],23:[2,7],24:[2,7]},{21:52,33:[1,25],35:24},{5:[2,8],14:[2,8],15:[2,8],16:[2,8],19:[2,8],20:[2,8],22:[2,8],23:[2,8],24:[2,8]},{14:[2,14],15:[2,14],16:[2,14],19:[2,14],20:[2,14],22:[2,14],23:[2,14],24:[2,14]},{18:[2,22],21:40,26:53,27:54,28:[1,41],29:[1,42],30:[1,43],31:39,32:44,33:[1,45],35:24},{18:[2,23]},{18:[2,26],28:[2,26],29:[2,26],30:[2,26],33:[2,26]},{18:[2,31],32:55,33:[1,56]},{18:[2,27],28:[2,27],29:[2,27],30:[2,27],33:[2,27]},{18:[2,28],28:[2,28],29:[2,28],30:[2,28],33:[2,28]},{18:[2,29],28:[2,29],29:[2,29],30:[2,29],33:[2,29]},{18:[2,30],28:[2,30],29:[2,30],30:[2,30],33:[2,30]},{18:[2,33],33:[2,33]},{18:[2,40],28:[2,40],29:[2,40],30:[2,40],33:[2,40],34:[1,57],36:[2,40]},{33:[1,58]},{14:[2,13],15:[2,13],16:[2,13],19:[2,13],20:[2,13],22:[2,13],23:[2,13],24:[2,13]},{5:[2,16],14:[2,16],15:[2,16],16:[2,16],19:[2,16],20:[2,16],22:[2,16],23:[2,16],24:[2,16]},{5:[2,17],14:[2,17],15:[2,17],16:[2,17],19:[2,17],20:[2,17],22:[2,17],23:[2,17],24:[2,17]},{5:[2,18],14:[2,18],15:[2,18],16:[2,18],19:[2,18],20:[2,18],22:[2,18],23:[2,18],24:[2,18]},{18:[1,59]},{18:[1,60]},{18:[2,21]},{18:[2,25],28:[2,25],29:[2,25],30:[2,25],33:[2,25]},{18:[2,32],33:[2,32]},{34:[1,57]},{21:61,28:[1,62],29:[1,63],30:[1,64],33:[1,25],35:24},{18:[2,39],28:[2,39],29:[2,39],30:[2,39],33:[2,39],36:[2,39]},{5:[2,19],14:[2,19],15:[2,19],16:[2,19],19:[2,19],20:[2,19],22:[2,19],23:[2,19],24:[2,19]},{5:[2,15],14:[2,15],15:[2,15],16:[2,15],19:[2,15],20:[2,15],22:[2,15],23:[2,15],24:[2,15]},{18:[2,34],33:[2,34]},{18:[2,35],33:[2,35]},{18:[2,36],33:[2,36]},{18:[2,37],33:[2,37]}],defaultActions:{16:[2,1],37:[2,23],53:[2,21]},parseError:function d(h,g){throw new Error(h)},parse:function e(o){var x=this,l=[0],G=[null],s=[],H=this.table,h="",q=0,E=0,j=0,n=2,u=1;this.lexer.setInput(o);this.lexer.yy=this.yy;this.yy.lexer=this.lexer;if(typeof this.lexer.yylloc=="undefined"){this.lexer.yylloc={}}var i=this.lexer.yylloc;s.push(i);if(typeof this.yy.parseError==="function"){this.parseError=this.yy.parseError}function w(p){l.length=l.length-2*p;G.length=G.length-p;s.length=s.length-p}function v(){var p;p=x.lexer.lex()||1;if(typeof p!=="number"){p=x.symbols_[p]||p}return p}var D,z,k,C,I,t,B={},y,F,g,m;while(true){k=l[l.length-1];if(this.defaultActions[k]){C=this.defaultActions[k]}else{if(D==null){D=v()}C=H[k]&&H[k][D]}if(typeof C==="undefined"||!C.length||!C[0]){if(!j){m=[];for(y in H[k]){if(this.terminals_[y]&&y>2){m.push("'"+this.terminals_[y]+"'")}}var A="";if(this.lexer.showPosition){A="Parse error on line "+(q+1)+":\n"+this.lexer.showPosition()+"\nExpecting "+m.join(", ")+", got '"+this.terminals_[D]+"'"}else{A="Parse error on line "+(q+1)+": Unexpected "+(D==1?"end of input":"'"+(this.terminals_[D]||D)+"'")}this.parseError(A,{text:this.lexer.match,token:this.terminals_[D]||D,line:this.lexer.yylineno,loc:i,expected:m})}}if(C[0] instanceof Array&&C.length>1){throw new Error("Parse Error: multiple actions possible at state: "+k+", token: "+D)}switch(C[0]){case 1:l.push(D);G.push(this.lexer.yytext);s.push(this.lexer.yylloc);l.push(C[1]);D=null;if(!z){E=this.lexer.yyleng;h=this.lexer.yytext;q=this.lexer.yylineno;i=this.lexer.yylloc;if(j>0){j--}}else{D=z;z=null}break;case 2:F=this.productions_[C[1]][1];B.$=G[G.length-F];B._$={first_line:s[s.length-(F||1)].first_line,last_line:s[s.length-1].last_line,first_column:s[s.length-(F||1)].first_column,last_column:s[s.length-1].last_column};t=this.performAction.call(B,h,E,q,this.yy,C[1],G,s);if(typeof t!=="undefined"){return t}if(F){l=l.slice(0,-1*F*2);G=G.slice(0,-1*F);s=s.slice(0,-1*F)}l.push(this.productions_[C[1]][0]);G.push(B.$);s.push(B._$);g=H[l[l.length-2]][l[l.length-1]];l.push(g);break;case 3:return true}}return true}};var a=(function(){var j=({EOF:1,parseError:function l(o,n){if(this.yy.parseError){this.yy.parseError(o,n)}else{throw new Error(o)}},setInput:function(n){this._input=n;this._more=this._less=this.done=false;this.yylineno=this.yyleng=0;this.yytext=this.matched=this.match="";this.conditionStack=["INITIAL"];this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0};return this},input:function(){var o=this._input[0];this.yytext+=o;this.yyleng++;this.match+=o;this.matched+=o;var n=o.match(/\n/);if(n){this.yylineno++}this._input=this._input.slice(1);return o},unput:function(n){this._input=n+this._input;return this},more:function(){this._more=true;return this},pastInput:function(){var n=this.matched.substr(0,this.matched.length-this.match.length);return(n.length>20?"...":"")+n.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var n=this.match;if(n.length<20){n+=this._input.substr(0,20-n.length)}return(n.substr(0,20)+(n.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var n=this.pastInput();var o=new Array(n.length+1).join("-");return n+this.upcomingInput()+"\n"+o+"^"},next:function(){if(this.done){return this.EOF}if(!this._input){this.done=true}var r,p,o,n;if(!this._more){this.yytext="";this.match=""}var s=this._currentRules();for(var q=0;q<s.length;q++){p=this._input.match(this.rules[s[q]]);if(p){n=p[0].match(/\n.*/g);if(n){this.yylineno+=n.length}this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:n?n[n.length-1].length-1:this.yylloc.last_column+p[0].length};this.yytext+=p[0];this.match+=p[0];this.matches=p;this.yyleng=this.yytext.length;this._more=false;this._input=this._input.slice(p[0].length);this.matched+=p[0];r=this.performAction.call(this,this.yy,this,s[q],this.conditionStack[this.conditionStack.length-1]);if(r){return r}else{return}}}if(this._input===""){return this.EOF}else{this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})}},lex:function g(){var n=this.next();if(typeof n!=="undefined"){return n}else{return this.lex()}},begin:function h(n){this.conditionStack.push(n)},popState:function m(){return this.conditionStack.pop()},_currentRules:function k(){return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules},topState:function(){return this.conditionStack[this.conditionStack.length-2]},pushState:function h(n){this.begin(n)}});j.performAction=function i(r,o,q,n){var p=n;switch(q){case 0:if(o.yytext.slice(-1)!=="\\"){this.begin("mu")}if(o.yytext.slice(-1)==="\\"){o.yytext=o.yytext.substr(0,o.yyleng-1),this.begin("emu")}if(o.yytext){return 14}break;case 1:return 14;break;case 2:this.popState();return 14;break;case 3:return 24;break;case 4:return 16;break;case 5:return 20;break;case 6:return 19;break;case 7:return 19;break;case 8:return 23;break;case 9:return 23;break;case 10:o.yytext=o.yytext.substr(3,o.yyleng-5);this.popState();return 15;break;case 11:return 22;break;case 12:return 34;break;case 13:return 33;break;case 14:return 33;break;case 15:return 36;break;case 16:break;case 17:this.popState();return 18;break;case 18:this.popState();return 18;break;case 19:o.yytext=o.yytext.substr(1,o.yyleng-2).replace(/\\"/g,'"');return 28;break;case 20:return 30;break;case 21:return 30;break;case 22:return 29;break;case 23:return 33;break;case 24:o.yytext=o.yytext.substr(1,o.yyleng-2);return 33;break;case 25:return"INVALID";break;case 26:return 5;break}};j.rules=[/^[^\x00]*?(?=(\{\{))/,/^[^\x00]+/,/^[^\x00]{2,}?(?=(\{\{))/,/^\{\{>/,/^\{\{#/,/^\{\{\//,/^\{\{\^/,/^\{\{\s*else\b/,/^\{\{\{/,/^\{\{&/,/^\{\{![\s\S]*?\}\}/,/^\{\{/,/^=/,/^\.(?=[} ])/,/^\.\./,/^[\/.]/,/^\s+/,/^\}\}\}/,/^\}\}/,/^"(\\["]|[^"])*"/,/^true(?=[}\s])/,/^false(?=[}\s])/,/^[0-9]+(?=[}\s])/,/^[a-zA-Z0-9_$-]+(?=[=}\s\/.])/,/^\[[^\]]*\]/,/^./,/^$/];j.conditions={mu:{rules:[3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26],inclusive:false},emu:{rules:[2],inclusive:false},INITIAL:{rules:[0,1,26],inclusive:true}};return j})();f.lexer=a;return f})();if(typeof require!=="undefined"&&typeof exports!=="undefined"){exports.parser=handlebars;exports.parse=function(){return handlebars.parse.apply(handlebars,arguments)};exports.main=function commonjsMain(a){if(!a[1]){throw new Error("Usage: "+a[0]+" FILE")}if(typeof process!=="undefined"){var c=require("fs").readFileSync(require("path").join(process.cwd(),a[1]),"utf8")}else{var b=require("file").path(require("file").cwd());var c=b.join(a[1]).read({charset:"utf-8"})}return exports.parser.parse(c)};if(typeof module!=="undefined"&&require.main===module){exports.main(typeof process!=="undefined"?process.argv.slice(1):require("system").args)}}Handlebars.Parser=handlebars;Handlebars.parse=function(a){Handlebars.Parser.yy=Handlebars.AST;return Handlebars.Parser.parse(a)};Handlebars.print=function(a){return new Handlebars.PrintVisitor().accept(a)};Handlebars.logger={DEBUG:0,INFO:1,WARN:2,ERROR:3,level:3,log:function(b,a){}};Handlebars.log=function(b,a){Handlebars.logger.log(b,a)};(function(){Handlebars.AST={};Handlebars.AST.ProgramNode=function(c,b){this.type="program";this.statements=c;if(b){this.inverse=new Handlebars.AST.ProgramNode(b)}};Handlebars.AST.MustacheNode=function(d,c,b){this.type="mustache";this.id=d[0];this.params=d.slice(1);this.hash=c;this.escaped=!b};Handlebars.AST.PartialNode=function(c,b){this.type="partial";this.id=c;this.context=b};var a=function(b,c){if(b.original!==c.original){throw new Handlebars.Exception(b.original+" doesn't match "+c.original)}};Handlebars.AST.BlockNode=function(c,b,d){a(c.id,d);this.type="block";this.mustache=c;this.program=b};Handlebars.AST.InverseNode=function(c,b,d){a(c.id,d);this.type="inverse";this.mustache=c;this.program=b};Handlebars.AST.ContentNode=function(b){this.type="content";this.string=b};Handlebars.AST.HashNode=function(b){this.type="hash";this.pairs=b};Handlebars.AST.IdNode=function(f){this.type="ID";this.original=f.join(".");var d=[],g=0;for(var e=0,b=f.length;e<b;e++){var c=f[e];if(c===".."){g++}else{if(c==="."||c==="this"){this.isScoped=true}else{d.push(c)}}}this.parts=d;this.string=d.join(".");this.depth=g;this.isSimple=(d.length===1)&&(g===0)};Handlebars.AST.StringNode=function(b){this.type="STRING";this.string=b};Handlebars.AST.IntegerNode=function(b){this.type="INTEGER";this.integer=b};Handlebars.AST.BooleanNode=function(b){this.type="BOOLEAN";this.bool=b};Handlebars.AST.CommentNode=function(b){this.type="comment";this.comment=b}})();Handlebars.Exception=function(b){var a=Error.prototype.constructor.apply(this,arguments);for(var c in a){if(a.hasOwnProperty(c)){this[c]=a[c]}}this.message=a.message};Handlebars.Exception.prototype=new Error;Handlebars.SafeString=function(a){this.string=a};Handlebars.SafeString.prototype.toString=function(){return this.string.toString()};(function(){var c={"<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#x27;","`":"&#x60;"};var d=/&(?!\w+;)|[<>"'`]/g;var b=/[&<>"'`]/;var a=function(e){return c[e]||"&amp;"};Handlebars.Utils={escapeExpression:function(e){if(e instanceof Handlebars.SafeString){return e.toString()}else{if(e==null||e===false){return""}}if(!b.test(e)){return e}return e.replace(d,a)},isEmpty:function(e){if(typeof e==="undefined"){return true}else{if(e===null){return true}else{if(e===false){return true}else{if(Object.prototype.toString.call(e)==="[object Array]"&&e.length===0){return true}else{return false}}}}}}})();Handlebars.Compiler=function(){};Handlebars.JavaScriptCompiler=function(){};(function(f,e){f.OPCODE_MAP={appendContent:1,getContext:2,lookupWithHelpers:3,lookup:4,append:5,invokeMustache:6,appendEscaped:7,pushString:8,truthyOrFallback:9,functionOrFallback:10,invokeProgram:11,invokePartial:12,push:13,assignToHash:15,pushStringParam:16};f.MULTI_PARAM_OPCODES={appendContent:1,getContext:1,lookupWithHelpers:2,lookup:1,invokeMustache:3,pushString:1,truthyOrFallback:1,functionOrFallback:1,invokeProgram:3,invokePartial:1,push:1,assignToHash:1,pushStringParam:1};f.DISASSEMBLE_MAP={};for(var h in f.OPCODE_MAP){var g=f.OPCODE_MAP[h];f.DISASSEMBLE_MAP[g]=h}f.multiParamSize=function(i){return f.MULTI_PARAM_OPCODES[f.DISASSEMBLE_MAP[i]]};f.prototype={compiler:f,disassemble:function(){var t=this.opcodes,r,n;var q=[],v,m,w;for(var s=0,o=t.length;s<o;s++){r=t[s];if(r==="DECLARE"){m=t[++s];w=t[++s];q.push("DECLARE "+m+" = "+w)}else{v=f.DISASSEMBLE_MAP[r];var u=f.multiParamSize(r);var k=[];for(var p=0;p<u;p++){n=t[++s];if(typeof n==="string"){n='"'+n.replace("\n","\\n")+'"'}k.push(n)}v=v+" "+k.join(" ");q.push(v)}}return q.join("\n")},guid:0,compile:function(i,k){this.children=[];this.depths={list:[]};this.options=k;var l=this.options.knownHelpers;this.options.knownHelpers={helperMissing:true,blockHelperMissing:true,each:true,"if":true,unless:true,"with":true,log:true};if(l){for(var j in l){this.options.knownHelpers[j]=l[j]}}return this.program(i)},accept:function(i){return this[i.type](i)},program:function(m){var k=m.statements,o;this.opcodes=[];for(var n=0,j=k.length;n<j;n++){o=k[n];this[o.type](o)}this.isSimple=j===1;this.depths.list=this.depths.list.sort(function(l,i){return l-i});return this},compileProgram:function(m){var j=new this.compiler().compile(m,this.options);var n=this.guid++;this.usePartial=this.usePartial||j.usePartial;this.children[n]=j;for(var o=0,k=j.depths.list.length;o<k;o++){depth=j.depths.list[o];if(depth<2){continue}else{this.addDepth(depth-1)}}return n},block:function(o){var l=o.mustache;var n,p,j,k;var m=this.setupStackForMustache(l);var i=this.compileProgram(o.program);if(o.program.inverse){k=this.compileProgram(o.program.inverse);this.declare("inverse",k)}this.opcode("invokeProgram",i,m.length,!!l.hash);this.declare("inverse",null);this.opcode("append")},inverse:function(k){var j=this.setupStackForMustache(k.mustache);var i=this.compileProgram(k.program);this.declare("inverse",i);this.opcode("invokeProgram",null,j.length,!!k.mustache.hash);this.declare("inverse",null);this.opcode("append")},hash:function(n){var m=n.pairs,p,o;this.opcode("push","{}");for(var k=0,j=m.length;k<j;k++){p=m[k];o=p[1];this.accept(o);this.opcode("assignToHash",p[0])}},partial:function(i){var j=i.id;this.usePartial=true;if(i.context){this.ID(i.context)}else{this.opcode("push","depth0")}this.opcode("invokePartial",j.original);this.opcode("append")},content:function(i){this.opcode("appendContent",i.string)},mustache:function(i){var j=this.setupStackForMustache(i);this.opcode("invokeMustache",j.length,i.id.original,!!i.hash);if(i.escaped&&!this.options.noEscape){this.opcode("appendEscaped")}else{this.opcode("append")}},ID:function(m){this.addDepth(m.depth);this.opcode("getContext",m.depth);this.opcode("lookupWithHelpers",m.parts[0]||null,m.isScoped||false);for(var k=1,j=m.parts.length;k<j;k++){this.opcode("lookup",m.parts[k])}},STRING:function(i){this.opcode("pushString",i.string)},INTEGER:function(i){this.opcode("push",i.integer)},BOOLEAN:function(i){this.opcode("push",i.bool)},comment:function(){},pushParams:function(l){var j=l.length,k;while(j--){k=l[j];if(this.options.stringParams){if(k.depth){this.addDepth(k.depth)}this.opcode("getContext",k.depth||0);this.opcode("pushStringParam",k.string)}else{this[k.type](k)}}},opcode:function(i,l,k,j){this.opcodes.push(f.OPCODE_MAP[i]);if(l!==undefined){this.opcodes.push(l)}if(k!==undefined){this.opcodes.push(k)}if(j!==undefined){this.opcodes.push(j)}},declare:function(i,j){this.opcodes.push("DECLARE");this.opcodes.push(i);this.opcodes.push(j)},addDepth:function(i){if(i===0){return}if(!this.depths[i]){this.depths[i]=true;this.depths.list.push(i)}},setupStackForMustache:function(i){var j=i.params;this.pushParams(j);if(i.hash){this.hash(i.hash)}this.ID(i.id);return j}};e.prototype={nameLookup:function(k,i,j){if(/^[0-9]+$/.test(i)){return k+"["+i+"]"}else{if(e.isValidJavaScriptVariableName(i)){return k+"."+i}else{return k+"['"+i+"']"}}},appendToBuffer:function(i){if(this.environment.isSimple){return"return "+i+";"}else{return"buffer += "+i+";"}},initializeBuffer:function(){return this.quotedString("")},namespace:"Handlebars",compile:function(i,j,l,k){this.environment=i;this.options=j||{};this.name=this.environment.name;this.isChild=!!l;this.context=l||{programs:[],aliases:{self:"this"},registers:{list:[]}};this.preamble();this.stackSlot=0;this.stackVars=[];this.compileChildren(i,j);var n=i.opcodes,m;this.i=0;for(b=n.length;this.i<b;this.i++){m=this.nextOpcode(0);if(m[0]==="DECLARE"){this.i=this.i+2;this[m[1]]=m[2]}else{this.i=this.i+m[1].length;this[m[0]].apply(this,m[1])}}return this.createFunctionContext(k)},nextOpcode:function(r){var o=this.environment.opcodes,m=o[this.i+r],l,p;var q,i;if(m==="DECLARE"){l=o[this.i+1];p=o[this.i+2];return["DECLARE",l,p]}else{l=f.DISASSEMBLE_MAP[m];q=f.multiParamSize(m);i=[];for(var k=0;k<q;k++){i.push(o[this.i+k+1+r])}return[l,i]}},eat:function(i){this.i=this.i+i.length},preamble:function(){var i=[];this.useRegister("foundHelper");if(!this.isChild){var j=this.namespace;var 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n=0,j=this.environment.depths.list.length;n<j;n++){r.push("depth"+this.environment.depths.list[n])}if(p){r.push(this.source.join("\n  "));return Function.apply(this,r)}else{var m="function "+(this.name||"")+"("+r.join(",")+") {\n  "+this.source.join("\n  ")+"}";Handlebars.log(Handlebars.logger.DEBUG,m+"\n\n");return m}},appendContent:function(i){this.source.push(this.appendToBuffer(this.quotedString(i)))},append:function(){var i=this.popStack();this.source.push("if("+i+" || "+i+" === 0) { "+this.appendToBuffer(i)+" }");if(this.environment.isSimple){this.source.push("else { "+this.appendToBuffer("''")+" }")}},appendEscaped:function(){var j=this.nextOpcode(1),i="";this.context.aliases.escapeExpression="this.escapeExpression";if(j[0]==="appendContent"){i=" + "+this.quotedString(j[1][0]);this.eat(j)}this.source.push(this.appendToBuffer("escapeExpression("+this.popStack()+")"+i))},getContext:function(i){if(this.lastContext!==i){this.lastContext=i}},lookupWithHelpers:function(k,l){if(k){var 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}")}q.call(this,p,i,j);this.usingKnownHelper=false},invokePartial:function(i){params=[this.nameLookup("partials",i,"partial"),"'"+i+"'",this.popStack(),"helpers","partials"];if(this.options.data){params.push("data")}this.pushStack("self.invokePartial("+params.join(", ")+");")},assignToHash:function(i){var j=this.popStack();var k=this.topStack();this.source.push(k+"['"+i+"'] = "+j+";")},compiler:e,compileChildren:function(j,n){var p=j.children,r,q;for(var o=0,k=p.length;o<k;o++){r=p[o];q=new this.compiler();this.context.programs.push("");var m=this.context.programs.length;r.index=m;r.name="program"+m;this.context.programs[m]=q.compile(r,n,this.context)}},programExpression:function(k){if(k==null){return"self.noop"}var p=this.environment.children[k],o=p.depths.list;var n=[p.index,p.name,"data"];for(var m=0,j=o.length;m<j;m++){depth=o[m];if(depth===1){n.push("depth0")}else{n.push("depth"+(depth-1))}}if(o.length===0){return"self.program("+n.join(", ")+")"}else{n.shift();return"self.programWithDepth("+n.join(", ")+")"}},register:function(i,j){this.useRegister(i);this.source.push(i+" = "+j+";")},useRegister:function(i){if(!this.context.registers[i]){this.context.registers[i]=true;this.context.registers.list.push(i)}},pushStack:function(i){this.source.push(this.nextStack()+" = "+i+";");return"stack"+this.stackSlot},nextStack:function(){this.stackSlot++;if(this.stackSlot>this.stackVars.length){this.stackVars.push("stack"+this.stackSlot)}return"stack"+this.stackSlot},popStack:function(){return"stack"+this.stackSlot--},topStack:function(){return"stack"+this.stackSlot},quotedString:function(i){return'"'+i.replace(/\\/g,"\\\\").replace(/"/g,'\\"').replace(/\n/g,"\\n").replace(/\r/g,"\\r")+'"'}};var a=("break else new var case finally return void catch for switch while continue function this with default if throw delete in try do instanceof typeof abstract enum int short boolean export interface static byte extends long super char final native synchronized class float package throws const goto private transient debugger implements protected volatile double import public let yield").split(" ");var d=e.RESERVED_WORDS={};for(var c=0,b=a.length;c<b;c++){d[a[c]]=true}e.isValidJavaScriptVariableName=function(i){if(!e.RESERVED_WORDS[i]&&/^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(i)){return true}return false}})(Handlebars.Compiler,Handlebars.JavaScriptCompiler);Handlebars.precompile=function(d,c){c=c||{};var b=Handlebars.parse(d);var a=new Handlebars.Compiler().compile(b,c);return new Handlebars.JavaScriptCompiler().compile(a,c)};Handlebars.compile=function(b,a){a=a||{};var d;function c(){var g=Handlebars.parse(b);var f=new Handlebars.Compiler().compile(g,a);var e=new Handlebars.JavaScriptCompiler().compile(f,a,undefined,true);return Handlebars.template(e)}return function(f,e){if(!d){d=c()}return d.call(this,f,e)}};Handlebars.VM={template:function(a){var b={escapeExpression:Handlebars.Utils.escapeExpression,invokePartial:Handlebars.VM.invokePartial,programs:[],program:function(d,e,f){var c=this.programs[d];if(f){return Handlebars.VM.program(e,f)}else{if(c){return c}else{c=this.programs[d]=Handlebars.VM.program(e);return c}}},programWithDepth:Handlebars.VM.programWithDepth,noop:Handlebars.VM.noop};return function(d,c){c=c||{};return a.call(b,Handlebars,d,c.helpers,c.partials,c.data)}},programWithDepth:function(b,d,c){var a=Array.prototype.slice.call(arguments,2);return function(f,e){e=e||{};return b.apply(this,[f,e.data||d].concat(a))}},program:function(a,b){return function(d,c){c=c||{};return a(d,c.data||b)}},noop:function(){return""},invokePartial:function(a,b,d,e,c,f){options={helpers:e,partials:c,data:f};if(a===undefined){throw new Handlebars.Exception("The partial "+b+" could not be found")}else{if(a instanceof Function){return a(d,options)}else{if(!Handlebars.compile){throw new Handlebars.Exception("The partial "+b+" could not be compiled when running in runtime-only mode")}else{c[b]=Handlebars.compile(a);return c[b](d,options)}}}}};Handlebars.template=Handlebars.VM.template;
\ No newline at end of file
diff --git a/static/scripts/packed/mvc/history.js b/static/scripts/packed/mvc/history.js
deleted file mode 100644
index 0cb27305ff5..00000000000
--- a/static/scripts/packed/mvc/history.js
+++ /dev/null
@@ -1 +0,0 @@
-var HistoryDatasetAssociation=BaseModel.extend(LoggableMixin).extend({defaults:{history_id:null,model_class:"HistoryDatasetAssociation",hid:0,id:null,name:"",state:"",data_type:null,file_size:0,meta_files:[],misc_blurb:"",misc_info:"",deleted:false,purged:false,visible:false,accessible:false,for_editing:true},url:function(){return"api/histories/"+this.get("history_id")+"/contents/"+this.get("id")},initialize:function(){this.log(this+".initialize",this.attributes);this.log("\tparent history_id: "+this.get("history_id"));if(!this.get("accessible")){this.set("state",HistoryDatasetAssociation.STATES.NOT_VIEWABLE)}this.on("change:state",function(b,a){this.log(this+" has changed state:",b,a);if(this.inReadyState()){this.trigger("state:ready",this.get("id"),a,this.previous("state"),b)}})},isDeletedOrPurged:function(){return(this.get("deleted")||this.get("purged"))},isVisible:function(b,c){var a=true;if((!b)&&(this.get("deleted")||this.get("purged"))){a=false}if((!c)&&(!this.get("visible"))){a=false}return a},inReadyState:function(){var a=this.get("state");return((a===HistoryDatasetAssociation.STATES.NEW)||(a===HistoryDatasetAssociation.STATES.OK)||(a===HistoryDatasetAssociation.STATES.EMPTY)||(a===HistoryDatasetAssociation.STATES.FAILED_METADATA)||(a===HistoryDatasetAssociation.STATES.NOT_VIEWABLE)||(a===HistoryDatasetAssociation.STATES.DISCARDED)||(a===HistoryDatasetAssociation.STATES.ERROR))},hasData:function(){return(this.get("file_size")>0)},toString:function(){var a=this.get("id")||"";if(this.get("name")){a+=':"'+this.get("name")+'"'}return"HistoryDatasetAssociation("+a+")"}});HistoryDatasetAssociation.STATES={UPLOAD:"upload",QUEUED:"queued",RUNNING:"running",SETTING_METADATA:"setting_metadata",NEW:"new",OK:"ok",EMPTY:"empty",FAILED_METADATA:"failed_metadata",NOT_VIEWABLE:"noPermission",DISCARDED:"discarded",ERROR:"error"};var HDACollection=Backbone.Collection.extend(LoggableMixin).extend({model:HistoryDatasetAssociation,initialize:function(){},ids:function(){return this.map(function(a){return a.id})},getVisible:function(a,b){return this.filter(function(c){return c.isVisible(a,b)})},getStateLists:function(){var a={};_.each(_.values(HistoryDatasetAssociation.STATES),function(b){a[b]=[]});this.each(function(b){a[b.get("state")].push(b.get("id"))});return a},running:function(){var a=[];this.each(function(b){if(!b.inReadyState()){a.push(b.get("id"))}});return a},update:function(a){this.log(this+"update:",a);if(!(a&&a.length)){return}var b=this;_.each(a,function(e,c){var d=b.get(e);d.fetch()})},toString:function(){return("HDACollection("+this.ids().join(",")+")")}});var History=BaseModel.extend(LoggableMixin).extend({defaults:{id:"",name:"",state:"",show_deleted:false,show_hidden:false,diskSize:0,deleted:false,tags:[],annotation:null,message:null,quotaMsg:false},url:function(){return"api/histories/"+this.get("id")},initialize:function(a,b){this.log(this+".initialize:",a,b);this.hdas=new HDACollection();if(b&&b.length){this.hdas.reset(b);this.checkForUpdates()}},loadFromApi:function(a,c){var b=this;b.attributes.id=a;jQuery.when(jQuery.ajax("api/users/current"),b.fetch()).then(function(e,d){b.attributes.user=e[0];b.log(b)}).then(function(){jQuery.ajax(b.url()+"/contents?"+jQuery.param({ids:b.itemIdsFromStateIds().join(",")})).success(function(d){b.hdas.reset(d);b.checkForUpdates();c()})})},hdaIdsFromStateIds:function(){return _.reduce(_.values(this.get("state_ids")),function(b,a){return b.concat(a)})},checkForUpdates:function(a){if(this.hdas.running().length){this.stateUpdater()}return this},stateUpdater:function(){var c=this,a=this.get("state"),b=this.get("state_ids");jQuery.ajax("api/histories/"+this.get("id")).success(function(d){c.set(d);c.log("current history state:",c.get("state"),"(was)",a,"new size:",c.get("nice_size"));var e=[];_.each(_.keys(d.state_ids),function(g){var f=_.difference(d.state_ids[g],b[g]);e=e.concat(f)});if(e.length){c.hdas.update(e)}if((c.get("state")===HistoryDatasetAssociation.STATES.RUNNING)||(c.get("state")===HistoryDatasetAssociation.STATES.QUEUED)){setTimeout(function(){c.stateUpdater()},4000)}}).error(function(f,d,e){if(console&&console.warn){console.warn("Error getting history updates from the server:",f,d,e)}alert("Error getting history updates from the server.\n"+e)})},toString:function(){var a=(this.get("name"))?(","+this.get("name")):("");return"History("+this.get("id")+a+")"}});var HDAView=BaseView.extend(LoggableMixin).extend({tagName:"div",className:"historyItemContainer",initialize:function(a){this.log(this+".initialize:",a);if(!a.urlTemplates){throw ("HDAView needs urlTemplates on initialize")}this.urls=this.renderUrls(a.urlTemplates,this.model.toJSON());this.expanded=a.expanded||false;this.model.bind("change",this.render,this)},renderUrls:function(d,a){var b=this,c={};_.each(d,function(e,f){if(_.isObject(e)){c[f]=b.renderUrls(e,a)}else{if(f==="meta_download"){c[f]=b.renderMetaDownloadUrls(e,a)}else{c[f]=_.template(e,a)}}});return c},renderMetaDownloadUrls:function(b,a){return _.map(a.meta_files,function(c){return{url:_.template(b,{id:a.id,file_type:c.file_type}),file_type:c.file_type}})},render:function(){var b=this,e=this.model.get("id"),c=this.model.get("state"),a=$("<div/>").attr("id","historyItem-"+e),d=(this.$el.children().size()===0);this._clearReferences();this.$el.attr("id","historyItemContainer-"+e);a.addClass("historyItemWrapper").addClass("historyItem").addClass("historyItem-"+c);a.append(this._render_warnings());a.append(this._render_titleBar());this.body=$(this._render_body());a.append(this.body);make_popup_menus(a);a.find(".tooltip").tooltip({placement:"bottom"});this.$el.fadeOut("fast",function(){b.$el.children().remove();b.$el.append(a).fadeIn("fast",function(){b.log(b+" rendered:",b.$el);var f="rendered";if(d){f+=":initial"}else{if(b.model.inReadyState()){f+=":ready"}}b.trigger(f)})});return this},_clearReferences:function(){this.displayButton=null;this.editButton=null;this.deleteButton=null;this.errButton=null;this.showParamsButton=null;this.rerunButton=null;this.visualizationsButton=null;this.tagButton=null;this.annotateButton=null},_render_warnings:function(){return $(jQuery.trim(HDAView.templates.messages(_.extend(this.model.toJSON(),{urls:this.urls}))))},_render_titleBar:function(){var a=$('<div class="historyItemTitleBar" style="overflow: hidden"></div>');a.append(this._render_titleButtons());a.append('<span class="state-icon"></span>');a.append(this._render_titleLink());return a},_render_titleButtons:function(){var a=$('<div class="historyItemButtons"></div>');a.append(this._render_displayButton());a.append(this._render_editButton());a.append(this._render_deleteButton());return a},_render_displayButton:function(){if((!this.model.inReadyState())||(this.model.get("state")===HistoryDatasetAssociation.STATES.ERROR)||(this.model.get("state")===HistoryDatasetAssociation.STATES.NOT_VIEWABLE)||(!this.model.get("accessible"))){return null}var a={icon_class:"display"};if(this.model.get("purged")){a.enabled=false;a.title="Cannot display datasets removed from disk"}else{a.title="Display data in browser";a.href=this.urls.display}if(this.model.get("for_editing")){a.target="galaxy_main"}this.displayButton=new IconButtonView({model:new IconButton(a)});return this.displayButton.render().$el},_render_editButton:function(){if((this.model.get("state")===HistoryDatasetAssociation.STATES.UPLOAD)||(this.model.get("state")===HistoryDatasetAssociation.STATES.ERROR)||(this.model.get("state")===HistoryDatasetAssociation.STATES.NOT_VIEWABLE)||(!this.model.get("accessible"))||(!this.model.get("for_editing"))){return null}var c=this.model.get("purged"),a=this.model.get("deleted"),b={title:"Edit attributes",href:this.urls.edit,target:"galaxy_main",icon_class:"edit"};if(a||c){b.enabled=false;if(c){b.title="Cannot edit attributes of datasets removed from disk"}else{if(a){b.title="Undelete dataset to edit attributes"}}}this.editButton=new IconButtonView({model:new IconButton(b)});return this.editButton.render().$el},_render_deleteButton:function(){if((!this.model.get("for_editing"))||(this.model.get("state")===HistoryDatasetAssociation.STATES.NOT_VIEWABLE)||(!this.model.get("accessible"))){return null}var a={title:"Delete",href:this.urls["delete"],id:"historyItemDeleter-"+this.model.get("id"),icon_class:"delete"};if(this.model.get("deleted")||this.model.get("purged")){a={title:"Dataset is already deleted",icon_class:"delete",enabled:false}}this.deleteButton=new IconButtonView({model:new IconButton(a)});return this.deleteButton.render().$el},_render_titleLink:function(){return $(jQuery.trim(HDAView.templates.titleLink(_.extend(this.model.toJSON(),{urls:this.urls}))))},_render_hdaSummary:function(){var a=_.extend(this.model.toJSON(),{urls:this.urls});if(this.model.get("metadata_dbkey")==="?"&&!this.model.isDeletedOrPurged()){_.extend(a,{dbkey_unknown_and_editable:true})}return HDAView.templates.hdaSummary(a)},_render_primaryActionButtons:function(c){var b=$("<div/>").attr("id","primary-actions-"+this.model.get("id")),a=this;_.each(c,function(d){b.append(d.call(a))});return b},_render_downloadButton:function(){if(this.model.get("purged")){return null}var a=HDAView.templates.downloadLinks(_.extend(this.model.toJSON(),{urls:this.urls}));return $(a)},_render_errButton:function(){if((this.model.get("state")!==HistoryDatasetAssociation.STATES.ERROR)||(!this.model.get("for_editing"))){return null}this.errButton=new IconButtonView({model:new IconButton({title:"View or report this error",href:this.urls.report_error,target:"galaxy_main",icon_class:"bug"})});return this.errButton.render().$el},_render_showParamsButton:function(){this.showParamsButton=new IconButtonView({model:new IconButton({title:"View details",href:this.urls.show_params,target:"galaxy_main",icon_class:"information"})});return this.showParamsButton.render().$el},_render_rerunButton:function(){if(!this.model.get("for_editing")){return null}this.rerunButton=new IconButtonView({model:new IconButton({title:"Run this job again",href:this.urls.rerun,target:"galaxy_main",icon_class:"arrow-circle"})});return this.rerunButton.render().$el},_render_visualizationsButton:function(){var c=this.model.get("dbkey"),a=this.model.get("visualizations"),f=this.urls.visualization,d={},g={dataset_id:this.model.get("id"),hda_ldda:"hda"};if(!(this.model.hasData())||!(this.model.get("for_editing"))||!(a&&a.length)||!(f)){return null}this.visualizationsButton=new IconButtonView({model:new IconButton({title:"Visualize",href:f,icon_class:"chart_curve"})});var b=this.visualizationsButton.render().$el;b.addClass("visualize-icon");if(c){g.dbkey=c}function e(h){switch(h){case"trackster":return create_trackster_action_fn(f,g,c);case"scatterplot":return create_scatterplot_action_fn(f,g);default:return function(){window.parent.location=f+"/"+h+"?"+$.param(g)}}}if(a.length===1){b.attr("title",a[0]);b.click(e(a[0]))}else{_.each(a,function(i){var h=i.charAt(0).toUpperCase()+i.slice(1);d[h]=e(i)});make_popupmenu(b,d)}return b},_render_secondaryActionButtons:function(b){var c=$("<div/>"),a=this;c.attr("style","float: right;").attr("id","secondary-actions-"+this.model.get("id"));_.each(b,function(d){c.append(d.call(a))});return c},_render_tagButton:function(){if(!(this.model.hasData())||!(this.model.get("for_editing"))||(!this.urls.tags.get)){return null}this.tagButton=new IconButtonView({model:new IconButton({title:"Edit dataset tags",target:"galaxy_main",href:this.urls.tags.get,icon_class:"tags"})});return this.tagButton.render().$el},_render_annotateButton:function(){if(!(this.model.hasData())||!(this.model.get("for_editing"))||(!this.urls.annotation.get)){return null}this.annotateButton=new IconButtonView({model:new IconButton({title:"Edit dataset annotation",target:"galaxy_main",icon_class:"annotate"})});return this.annotateButton.render().$el},_render_displayApps:function(){if(!this.model.hasData()){return null}var a=$("<div/>").addClass("display-apps");if(!_.isEmpty(this.model.get("display_types"))){a.append(HDAView.templates.displayApps({displayApps:this.model.get("display_types")}))}if(!_.isEmpty(this.model.get("display_apps"))){a.append(HDAView.templates.displayApps({displayApps:this.model.get("display_apps")}))}return a},_render_tagArea:function(){if(!this.urls.tags.set){return null}return $(HDAView.templates.tagArea(_.extend(this.model.toJSON(),{urls:this.urls})))},_render_annotationArea:function(){if(!this.urls.annotation.get){return null}return $(HDAView.templates.annotationArea(_.extend(this.model.toJSON(),{urls:this.urls})))},_render_peek:function(){if(!this.model.get("peek")){return null}return $("<div/>").append($("<pre/>").attr("id","peek"+this.model.get("id")).addClass("peek").append(this.model.get("peek")))},_render_body_not_viewable:function(a){a.append($("<div>You do not have permission to view dataset.</div>"))},_render_body_uploading:function(a){a.append($("<div>Dataset is uploading</div>"))},_render_body_queued:function(a){a.append($("<div>Job is waiting to run.</div>"));a.append(this._render_primaryActionButtons([this._render_showParamsButton,this._render_rerunButton]))},_render_body_running:function(a){a.append("<div>Job is currently running.</div>");a.append(this._render_primaryActionButtons([this._render_showParamsButton,this._render_rerunButton]))},_render_body_error:function(a){if(!this.model.get("purged")){a.append($("<div>"+this.model.get("misc_blurb")+"</div>"))}a.append(("An error occurred running this job: <i>"+$.trim(this.model.get("misc_info"))+"</i>"));a.append(this._render_primaryActionButtons([this._render_downloadButton,this._render_errButton,this._render_showParamsButton,this._render_rerunButton]))},_render_body_discarded:function(a){a.append("<div>The job creating this dataset was cancelled before completion.</div>");a.append(this._render_primaryActionButtons([this._render_showParamsButton,this._render_rerunButton]))},_render_body_setting_metadata:function(a){a.append($("<div>Metadata is being auto-detected.</div>"))},_render_body_empty:function(a){a.append($("<div>No data: <i>"+this.model.get("misc_blurb")+"</i></div>"));a.append(this._render_primaryActionButtons([this._render_showParamsButton,this._render_rerunButton]))},_render_body_failed_metadata:function(a){a.append($(HDAView.templates.failedMetadata(this.model.toJSON())));this._render_body_ok(a)},_render_body_ok:function(a){a.append(this._render_hdaSummary());if(this.model.isDeletedOrPurged()){a.append(this._render_primaryActionButtons([this._render_downloadButton,this._render_showParamsButton,this._render_rerunButton]));return}a.append(this._render_primaryActionButtons([this._render_downloadButton,this._render_errButton,this._render_showParamsButton,this._render_rerunButton,this._render_visualizationsButton]));a.append(this._render_secondaryActionButtons([this._render_tagButton,this._render_annotateButton]));a.append('<div class="clear"/>');a.append(this._render_tagArea());a.append(this._render_annotationArea());a.append(this._render_displayApps());a.append(this._render_peek())},_render_body:function(){var a=$("<div/>").attr("id","info-"+this.model.get("id")).addClass("historyItemBody").attr("style","display: block");switch(this.model.get("state")){case HistoryDatasetAssociation.STATES.NOT_VIEWABLE:this._render_body_not_viewable(a);break;case HistoryDatasetAssociation.STATES.UPLOAD:this._render_body_uploading(a);break;case HistoryDatasetAssociation.STATES.QUEUED:this._render_body_queued(a);break;case HistoryDatasetAssociation.STATES.RUNNING:this._render_body_running(a);break;case HistoryDatasetAssociation.STATES.ERROR:this._render_body_error(a);break;case HistoryDatasetAssociation.STATES.DISCARDED:this._render_body_discarded(a);break;case HistoryDatasetAssociation.STATES.SETTING_METADATA:this._render_body_setting_metadata(a);break;case HistoryDatasetAssociation.STATES.EMPTY:this._render_body_empty(a);break;case HistoryDatasetAssociation.STATES.FAILED_METADATA:this._render_body_failed_metadata(a);break;case HistoryDatasetAssociation.STATES.OK:this._render_body_ok(a);break;default:a.append($('<div>Error: unknown dataset state "'+state+'".</div>'))}a.append('<div style="clear: both"></div>');if(this.expanded){a.show()}else{a.hide()}return a},events:{"click .historyItemTitle":"toggleBodyVisibility","click a.icon-button.tags":"loadAndDisplayTags","click a.icon-button.annotate":"loadAndDisplayAnnotation"},loadAndDisplayTags:function(b){this.log(this+".loadAndDisplayTags",b);var c=this.$el.find(".tag-area"),a=c.find(".tag-elt");if(c.is(":hidden")){if(!jQuery.trim(a.html())){$.ajax({url:this.urls.tags.get,error:function(){alert("Tagging failed")},success:function(d){a.html(d);a.find(".tooltip").tooltip();c.slideDown("fast")}})}else{c.slideDown("fast")}}else{c.slideUp("fast")}return false},loadAndDisplayAnnotation:function(b){this.log(this+".loadAndDisplayAnnotation",b);var d=this.$el.find(".annotation-area"),c=d.find(".annotation-elt"),a=this.urls.annotation.set;if(d.is(":hidden")){if(!jQuery.trim(c.html())){$.ajax({url:this.urls.annotation.get,error:function(){alert("Annotations failed")},success:function(e){if(e===""){e="<em>Describe or add notes to dataset</em>"}c.html(e);d.find(".tooltip").tooltip();async_save_text(c.attr("id"),c.attr("id"),a,"new_annotation",18,true,4);d.slideDown("fast")}})}else{d.slideDown("fast")}}else{d.slideUp("fast")}return false},toggleBodyVisibility:function(b,a){var c=this.$el.find(".historyItemBody");a=(a===undefined)?(!c.is(":visible")):(a);if(a){c.slideDown("fast")}else{c.slideUp("fast")}this.trigger("toggleBodyVisibility",this.model.get("id"),a)},toString:function(){var a=(this.model)?(this.model+""):("(no model)");return"HDAView("+a+")"}});HDAView.templates={warningMsg:Handlebars.templates["template-warningmessagesmall"],messages:Handlebars.templates["template-history-warning-messages"],titleLink:Handlebars.templates["template-history-titleLink"],hdaSummary:Handlebars.templates["template-history-hdaSummary"],downloadLinks:Handlebars.templates["template-history-downloadLinks"],failedMetadata:Handlebars.templates["template-history-failedMetaData"],tagArea:Handlebars.templates["template-history-tagArea"],annotationArea:Handlebars.templates["template-history-annotationArea"],displayApps:Handlebars.templates["template-history-displayApps"]};function create_scatterplot_action_fn(a,b){action=function(){var d=$(window.parent.document).find("iframe#galaxy_main"),c=a+"/scatterplot?"+$.param(b);d.attr("src",c);$("div.popmenu-wrapper").remove();return false};return action}function create_trackster_action_fn(a,c,b){return function(){var d={};if(b){d.dbkey=b}$.ajax({url:a+"/list_tracks?f-"+$.param(d),dataType:"html",error:function(){alert("Could not add this dataset to browser.")},success:function(e){var f=window.parent;f.show_modal("View Data in a New or Saved Visualization","",{Cancel:function(){f.hide_modal()},"View in saved visualization":function(){f.show_modal("Add Data to Saved Visualization",e,{Cancel:function(){f.hide_modal()},"Add to visualization":function(){$(f.document).find("input[name=id]:checked").each(function(){var g=$(this).val();c.id=g;f.location=a+"/trackster?"+$.param(c)})}})},"View in new visualization":function(){f.location=a+"/trackster?"+$.param(c)}})}});return false}}var HistoryView=BaseView.extend(LoggableMixin).extend({el:"body.historyPage",initialize:function(a){this.log(this+".initialize:",a);if(!a.urlTemplates){throw ("HDAView needs urlTemplates on initialize")}if(!a.urlTemplates.history){throw ("HDAView needs urlTemplates.history on initialize")}if(!a.urlTemplates.hda){throw ("HDAView needs urlTemplates.hda on initialize")}this.urlTemplates=a.urlTemplates.history;this.hdaUrlTemplates=a.urlTemplates.hda;this.storage=new PersistantStorage("HistoryView."+this.model.get("id"),{expandedHdas:{}});this.model.bind("change:nice_size",this.updateHistoryDiskSize,this);this.model.hdas.bind("add",this.add,this);this.model.hdas.bind("reset",this.addAll,this);this.model.hdas.bind("all",this.all,this);this.hdaViews={};this.urls={}},add:function(a){},addAll:function(){this.render()},all:function(a){},renderUrls:function(a){var b=this;b.urls={};_.each(this.urlTemplates,function(d,c){b.urls[c]=_.template(d,a)});return b.urls},render:function(){var b=this,d=b.toString()+".set-up",c=$("<div/>"),a=this.model.toJSON(),e=(this.$el.children().size()===0);a.urls=this.renderUrls(a);c.append(HistoryView.templates.historyPanel(a));c.find(".tooltip").tooltip();if(!this.model.hdas.length||!this.renderItems(c.find("#"+this.model.get("id")+"-datasets"))){c.find("#emptyHistoryMessage").show()}$(b).queue(d,function(f){b.$el.fadeOut("fast",function(){f()})});$(b).queue(d,function(f){b.$el.html("");b.$el.append(c.children());b.$el.fadeIn("fast",function(){f()})});$(b).queue(d,function(f){this.log(b+" rendered:",b.$el);b.setUpBehaviours();if(e){b.trigger("rendered:initial")}else{b.trigger("rendered")}f()});$(b).dequeue(d);return this},renderItems:function(c){this.hdaViews={};var b=this,a=this.model.get("show_deleted"),e=this.model.get("show_hidden"),d=this.model.hdas.getVisible(a,e);_.each(d,function(h){var g=h.get("id"),f=b.storage.get("expandedHdas").get(g);b.hdaViews[g]=new HDAView({model:h,expanded:f,urlTemplates:b.hdaUrlTemplates});b.setUpHdaListeners(b.hdaViews[g]);c.prepend(b.hdaViews[g].render().$el)});return d.length},setUpHdaListeners:function(b){var a=this;b.bind("toggleBodyVisibility",function(d,c){if(c){a.storage.get("expandedHdas").set(d,true)}else{a.storage.get("expandedHdas").deleteKey(d)}});b.bind("rendered:ready",function(){a.trigger("hda:rendered:ready")})},setUpBehaviours:function(){if(!(this.model.get("user")&&this.model.get("user").email)){return}var a=this.$("#history-annotation-area");this.$("#history-annotate").click(function(){if(a.is(":hidden")){a.slideDown("fast")}else{a.slideUp("fast")}return false});async_save_text("history-name-container","history-name",this.urls.rename,"new_name",18);async_save_text("history-annotation-container","history-annotation",this.urls.annotate,"new_annotation",18,true,4)},updateHistoryDiskSize:function(){this.$el.find("#history-size").text(this.model.get("nice_size"))},showQuotaMessage:function(a){var b=this.$el.find("#quota-message-container");if(b.is(":hidden")){b.slideDown("fast")}},hideQuotaMessage:function(a){var b=this.$el.find("#quota-message-container");if(!b.is(":hidden")){b.slideUp("fast")}},events:{"click #history-collapse-all":"hideAllHdaBodies","click #history-tag":"loadAndDisplayTags"},hideAllHdaBodies:function(){_.each(this.hdaViews,function(a){a.toggleBodyVisibility(null,false)});this.storage.set("expandedHdas",{})},loadAndDisplayTags:function(c){this.log(this+".loadAndDisplayTags",c);var d=this.$el.find("#history-tag-area"),b=d.find(".tag-elt");this.log("\t tagArea",d," tagElt",b);if(d.is(":hidden")){if(!jQuery.trim(b.html())){var a=this;$.ajax({url:a.urls.tag,error:function(){alert("Tagging failed")},success:function(e){b.html(e);b.find(".tooltip").tooltip();d.slideDown("fast")}})}else{d.slideDown("fast")}}else{d.slideUp("fast")}return false},toString:function(){var a=this.model.get("name")||"";return"HistoryView("+a+")"}});HistoryView.templates={historyPanel:Handlebars.templates["template-history-historyPanel"]};
\ No newline at end of file
diff --git a/static/scripts/packed/templates/compiled/panel_label.js b/static/scripts/packed/templates/compiled/panel_label.js
deleted file mode 100644
index 85f9f943b15..00000000000
--- a/static/scripts/packed/templates/compiled/panel_label.js
+++ /dev/null
@@ -1 +0,0 @@
-(function(){var b=Handlebars.template,a=Handlebars.templates=Handlebars.templates||{};a.panel_label=b(function(e,n,d,l,k){d=d||e.helpers;var i="",c,h,o=this,f="function",m=d.helperMissing,g=void 0,j=this.escapeExpression;i+="<span>";h=d.name;c=h||n.name;if(typeof c===f){c=c.call(n,{hash:{}})}else{if(c===g){c=m.call(n,"name",{hash:{}})}}i+=j(c)+"</span>";return i})})();
\ No newline at end of file
diff --git a/static/scripts/packed/templates/compiled/template-visualization-chartSettings.js b/static/scripts/packed/templates/compiled/template-visualization-chartSettings.js
deleted file mode 100644
index 059f1fbdbbc..00000000000
--- a/static/scripts/packed/templates/compiled/template-visualization-chartSettings.js
+++ /dev/null
@@ -1 +0,0 @@
-(function(){var b=Handlebars.template,a=Handlebars.templates=Handlebars.templates||{};a["template-visualization-chartSettings"]=b(function(f,m,e,l,k){e=e||f.helpers;var i="",c,h,g="function",j=this.escapeExpression,n=this;function d(p,o){return' checked="true"'}i+='<p class="help-text">\n        Use the following controls to how the chart is displayed.\n        The slide controls can be moved by the mouse or, if the \'handle\' is in focus, your keyboard\'s arrow keys.\n        Move the focus between controls by using the tab or shift+tab keys on your keyboard.\n        Use the \'Draw\' button to render (or re-render) the chart with the current settings.\n    </p>\n        \n    <div id="datapointSize" class="form-input numeric-slider-input">\n        <label for="datapointSize">Size of data point: </label>\n        <div class="slider-output">';h=e.datapointSize;if(h){c=h.call(m,{hash:{}})}else{c=m.datapointSize;c=typeof c===g?c():c}i+=j(c)+'</div>\n        <div class="slider"></div>\n        <p class="form-help help-text-small">\n            Size of the graphic representation of each data point\n        </p>\n    </div>\n\n    <div id="animDuration" class="form-input checkbox-input">\n        <label for="animated">Animate graph transitions?: </label>\n        <input type="checkbox" id="animated"\n            class="checkbox control"';c=m.animDuration;c=e["if"].call(m,c,{hash:{},inverse:n.noop,fn:n.program(1,d,k)});if(c||c===0){i+=c}i+=' />\n        <p class="form-help help-text-small">\n            Uncheck this to disable the animations used on the graph\n        </p>\n    </div>\n\n    <div id="width" class="form-input numeric-slider-input">\n        <label for="width">Graph width: </label>\n        <div class="slider-output">';h=e.width;if(h){c=h.call(m,{hash:{}})}else{c=m.width;c=typeof c===g?c():c}i+=j(c)+'</div>\n        <div class="slider"></div>\n        <p class="form-help help-text-small">\n            (not including graph margins and axes)\n        </p>\n    </div>\n\n    <div id="height" class="form-input numeric-slider-input">\n        <label for="height">Graph height: </label>\n        <div class="slider-output">';h=e.height;if(h){c=h.call(m,{hash:{}})}else{c=m.height;c=typeof c===g?c():c}i+=j(c)+'</div>\n        <div class="slider"></div>\n        <p class="form-help help-text-small">\n            (not including graph margins and axes)\n        </p>\n    </div>\n\n    <div id="X-axis-label"class="text-input form-input">\n        <label for="X-axis-label">Re-label the X axis: </label>\n        <input type="text" name="X-axis-label" id="X-axis-label" value="';h=e.xLabel;if(h){c=h.call(m,{hash:{}})}else{c=m.xLabel;c=typeof c===g?c():c}i+=j(c)+'" />\n        <p class="form-help help-text-small"></p>\n    </div>\n\n    <div id="Y-axis-label" class="text-input form-input">\n        <label for="Y-axis-label">Re-label the Y axis: </label>\n        <input type="text" name="Y-axis-label" id="Y-axis-label" value="';h=e.yLabel;if(h){c=h.call(m,{hash:{}})}else{c=m.yLabel;c=typeof c===g?c():c}i+=j(c)+'" />\n        <p class="form-help help-text-small"></p>\n    </div>\n\n    <input id="render-button" type="button" value="Draw" />';return i})})();
\ No newline at end of file
diff --git a/static/scripts/packed/templates/compiled/template-visualization-statsTable.js b/static/scripts/packed/templates/compiled/template-visualization-statsTable.js
deleted file mode 100644
index b668c57209d..00000000000
--- a/static/scripts/packed/templates/compiled/template-visualization-statsTable.js
+++ /dev/null
@@ -1 +0,0 @@
-(function(){var b=Handlebars.template,a=Handlebars.templates=Handlebars.templates||{};a["template-visualization-statsTable"]=b(function(f,l,e,k,j){e=e||f.helpers;var h="",c,g="function",i=this.escapeExpression,m=this;function d(r,q){var o="",p,n;o+="\n        <tr><td>";n=e.name;if(n){p=n.call(r,{hash:{}})}else{p=r.name;p=typeof p===g?p():p}o+=i(p)+"</td><td>";n=e.xval;if(n){p=n.call(r,{hash:{}})}else{p=r.xval;p=typeof p===g?p():p}o+=i(p)+"</td><td>";n=e.yval;if(n){p=n.call(r,{hash:{}})}else{p=r.yval;p=typeof p===g?p():p}o+=i(p)+"</td></tr>\n        </tr>\n        ";return o}h+='<p class="help-text">By column:</p>\n    <table id="chart-stats-table">\n        <thead><th></th><th>X</th><th>Y</th></thead>\n        ';c=l.stats;c=e.each.call(l,c,{hash:{},inverse:m.noop,fn:m.program(1,d,j)});if(c||c===0){h+=c}h+="\n    </table>";return h})})();
\ No newline at end of file