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Return rather than fail if resolution is not defined

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This commit is contained in:
Paul Spencer
2014-08-12 20:27:17 -04:00
parent 4fb905170a
commit fb242b5316
1 changed files with 3 additions and 1 deletions
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4
src/ol/source/clustersource.js
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@@ -89,9 +89,11 @@ ol.source.Cluster.prototype.onSourceChange_ = function() {
* @private * @private
*/ */
ol.source.Cluster.prototype.cluster_ = function() { ol.source.Cluster.prototype.cluster_ = function() {
if (!goog.isDef(this.resolution_)) {
return;
}
goog.array.clear(this.features_); goog.array.clear(this.features_);
var extent = ol.extent.createEmpty(); var extent = ol.extent.createEmpty();
goog.asserts.assert(goog.isDef(this.resolution_));
var mapDistance = this.distance_ * this.resolution_; var mapDistance = this.distance_ * this.resolution_;
var features = this.source_.getFeatures(); var features = this.source_.getFeatures();