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Small fixes for trackster resolution calculation.

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Jeremy Goecks
2013-02-19 08:56:32 -05:00
parent a065a5cb74
commit dde00ed000
1 changed files with 5 additions and 4 deletions
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static/scripts/viz/trackster/tracks.js
+5 -4
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@@ -1427,11 +1427,12 @@ extend( TracksterView.prototype, DrawableCollection.prototype, {
// -- Drawing code --
// Calculate resolution in both pixels/base and bases/pixel; round bases/pixels for tile calculations.
// TODO: require minimum difference in new resolution to update?
// Calculate resolution in both pixels/base and bases/pixel.
// TODO: require minimum difference in new resolution to update? This
// would help alleviate issues when window is being resized.
this.resolution_b_px = (this.high - this.low) / this.viewport_container.width();
this.resolution_px_b = this.viewport_container.width() / (this.high - this.low);
this.resolution_px_b = 1 / this.resolution_b_px;
// Overview
var left_px = ( this.low / (this.max_high - this.max_low) * this.overview_viewport.width() ) || 0;
var width_px = ( (this.high - this.low)/(this.max_high - this.max_low) * this.overview_viewport.width() ) || 0;