Merge pull request #6970 from cmortazavi/patch-1

Fix Bug when adding/removing layer with no cache
2017-07-03 20:34:13 +02:00
parent f88d8b8a7d db63cc1b23
commit 4f0bfbc1db
1 changed files with 4 additions and 2 deletions
--- a/src/ol/renderer/layer.js
+++ b/src/ol/renderer/layer.js
@@ -152,8 +152,10 @@ ol.renderer.Layer.prototype.scheduleExpireCache = function(frameState, tileSourc
     */
    var postRenderFunction = function(tileSource, map, frameState) {
      var tileSourceKey = ol.getUid(tileSource).toString();
-      tileSource.expireCache(frameState.viewState.projection,
-          frameState.usedTiles[tileSourceKey]);
+      if (tileSourceKey in frameState.usedTiles) {
+        tileSource.expireCache(frameState.viewState.projection,
+            frameState.usedTiles[tileSourceKey]);
+      }
    }.bind(null, tileSource);

    frameState.postRenderFunctions.push(