ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Clamp opacity value to (0, 1)

Browse Source
This commit is contained in:
Frederic Junod
2014-03-27 08:56:38 +01:00
parent 0461901a86
commit 0043e39ee3
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/ol/layer/heatmaplayer.js
View File

@@ -4,6 +4,7 @@ goog.require('goog.asserts');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.events');
goog.require('goog.math');
goog.require('ol.Object');
goog.require('ol.layer.Vector');
goog.require('ol.render.EventType');
@@ -68,7 +69,7 @@ ol.layer.Heatmap = function(opt_options) {
this.setStyle(function(feature, resolution) {
var weight = weightFunction(feature);
var opacity = goog.isDef(weight) ? weight : 1;
var opacity = goog.math.clamp(goog.isDef(weight) ? weight : 1, 0, 1);
// cast to 8 bits
var index = (255 * opacity) | 0;
var style = styleCache[index];