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Cope with layers being undefined

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This commit is contained in:
Tom Payne
2012-10-04 11:14:46 +02:00
parent 21f8c8f3bd
commit 21ab556d2f
1 changed files with 8 additions and 6 deletions
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14
src/ol/renderer/map.js
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@@ -141,12 +141,14 @@ ol.renderer.Map.prototype.disposeInternal = function() {
*/
ol.renderer.Map.prototype.forEachReadyVisibleLayer = function(f, opt_obj) {
var layers = this.map.getLayers();
layers.forEach(function(layer, index) {
if (layer.isReady() && layer.getVisible()) {
var layerRenderer = this.getLayerRenderer(layer);
f.call(opt_obj, layer, layerRenderer, index);
}
}, this);
if (goog.isDef(layers)) {
layers.forEach(function(layer, index) {
if (layer.isReady() && layer.getVisible()) {
var layerRenderer = this.getLayerRenderer(layer);
f.call(opt_obj, layer, layerRenderer, index);
}
}, this);
}
};