Return rather than fail if resolution is not defined

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