Add ol.TileUrlFunction.nullTileUrlFunction

2012-07-26 01:37:22 +02:00
parent f193a94847
commit c4f9704f4f
1 changed files with 9 additions and 0 deletions
--- a/src/ol/tile/tileurlfunction.js
+++ b/src/ol/tile/tileurlfunction.js
@@ -54,6 +54,15 @@ ol.TileUrlFunction.createFromTemplates = function(templates) {
 };


+/**
+ * @param {ol.TileCoord} tileCoord Tile coordinate.
+ * @return {string|undefined} Tile URL.
+ */
+ol.TileUrlFunction.nullTileUrlFunction = function(tileCoord) {
+  return undefined;
+};
+
+
 /**
 * @param {function(ol.TileCoord): ol.TileCoord} transform Transform.
 * @param {ol.TileUrlFunctionType} tileUrlFunction Tile URL function.