Prune all except for the most recent z on URL change

2017-10-07 10:29:40 -06:00
parent a4e0c54200
commit 97745c50af
3 changed files with 60 additions and 0 deletions
@@ -155,6 +155,7 @@ ol.source.UrlTile.prototype.setTileLoadFunction = function(tileLoadFunction) {
 */
 ol.source.UrlTile.prototype.setTileUrlFunction = function(tileUrlFunction, opt_key) {
  this.tileUrlFunction = tileUrlFunction;
+  this.tileCache.pruneExceptNewestZ();
  if (typeof opt_key !== 'undefined') {
    this.setKey(opt_key);
  } else {