Do not load tiles outside extents for TileWMS source

2014-02-14 07:52:43 +01:00
parent e0b8e6005c
commit 34d5f24816
1 changed files with 7 additions and 0 deletions
--- a/src/ol/source/tilewmssource.js
+++ b/src/ol/source/tilewmssource.js
@@ -346,6 +346,13 @@ ol.source.TileWMS.prototype.tileUrlFunction_ =
    tileExtent = ol.extent.buffer(tileExtent,
        tileResolution * gutter, tileExtent);
  }
+
+  var extent = this.getExtent();
+  if (!goog.isNull(extent) && (!ol.extent.intersects(tileExtent, extent) ||
+      ol.extent.touches(tileExtent, extent))) {
+    return undefined;
+  }
+
  if (pixelRatio != 1) {
    tileSize = (tileSize * pixelRatio + 0.5) | 0;
  }