From 47e2dd53ce6f84e5a53060c130d227b3ab281afb Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Sun, 15 Dec 2013 22:33:14 +0100
Subject: [PATCH] Add ol.structs.RBush#getExtent

---
 src/ol/structs/rbush.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/ol/structs/rbush.js b/src/ol/structs/rbush.js
index 8f45d27cb6..7e8ff0ff50 100644
--- a/src/ol/structs/rbush.js
+++ b/src/ol/structs/rbush.js
@@ -522,6 +522,15 @@ ol.structs.RBush.prototype.getAllInExtent = function(extent) {
 };
 
 
+/**
+ * @param {ol.Extent=} opt_extent Extent.
+ * @return {ol.Extent} Extent.
+ */
+ol.structs.RBush.prototype.getExtent = function(opt_extent) {
+  return ol.extent.returnOrUpdate(this.root_.extent, opt_extent);
+};
+
+
 /**
  * @param {T} value Value.
  * @private