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Merge pull request #1913 from fredj/heatmap-clamp

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Optimize opacity clamping
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Frédéric Junod
2014-03-27 19:58:08 +01:00
parent ddac5c5725 a5a7550930
commit 16054cb753
1 changed files with 1 additions and 1 deletions
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src/ol/layer/heatmaplayer.js
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@@ -69,7 +69,7 @@ ol.layer.Heatmap = function(opt_options) {
this.setStyle(function(feature, resolution) { this.setStyle(function(feature, resolution) {
var weight = weightFunction(feature); var weight = weightFunction(feature);
var opacity = goog.math.clamp(goog.isDef(weight) ? weight : 1, 0, 1); var opacity = goog.isDef(weight) ? goog.math.clamp(weight, 0, 1) : 1;
// cast to 8 bits // cast to 8 bits
var index = (255 * opacity) | 0; var index = (255 * opacity) | 0;
var style = styleCache[index]; var style = styleCache[index];