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Trackster: for variant track painter, only draw loci in viewing region.

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Jeremy Goecks
2013-05-22 15:23:15 -04:00
parent d618359898
commit 755256aff2
4 changed files with 8 additions and 3 deletions
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static/scripts/packed/viz/trackster/painters.js
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static/scripts/packed/viz/trackster/tracks.js
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static/scripts/packed/viz/visualization.js
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static/scripts/viz/trackster/painters.js
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@@ -1582,6 +1582,11 @@ extend(VariantPainter.prototype, Painter.prototype, {
sample_gts = locus_data[7].split(',');
allele_counts = locus_data.slice(8);
// Only draw locus data if it's in viewing region.
if (pos < this.view_start || pos > this.view_end) {
continue;
}
// Compute start for drawing variants marker, text.
draw_x_start = Math.floor( Math.max(-0.5 * w_scale, (pos - this.view_start - 0.5) * w_scale) );
char_x_start = Math.floor( Math.max(0, (pos - this.view_start) * w_scale) );