From ff34400d966f57511a919202dbaee69b724fe356 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Sat, 7 Jul 2012 14:27:57 +0200
Subject: [PATCH] Add ol.TileCoord.clone

---
 doc/ol3.md          | 1 +
 src/ol/tilecoord.js | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/doc/ol3.md b/doc/ol3.md
index d23b248652..ac97f47055 100644
--- a/doc/ol3.md
+++ b/doc/ol3.md
@@ -123,6 +123,7 @@ MVCObject
   unfreeze()
 
 TileCoord
+  clone() -> TileCoord
   getHash() -> number
 
 Tile
diff --git a/src/ol/tilecoord.js b/src/ol/tilecoord.js
index 9651586460..a34e2e55c9 100644
--- a/src/ol/tilecoord.js
+++ b/src/ol/tilecoord.js
@@ -24,6 +24,14 @@ ol.TileCoord = function(z, x, y) {
 goog.inherits(ol.TileCoord, goog.math.Coordinate);
 
 
+/**
+ * @return {ol.TileCoord} Clone.
+ */
+ol.TileCoord.prototype.clone = function() {
+  return new ol.TileCoord(this.z, this.x, this.y);
+};
+
+
 /**
  * @return {number} Hash.
  */