From 79932ee2f29f957bf1b463625304a8b89998ecd0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20Lemoine?= <eric.lemoine@gmail.com>
Date: Wed, 17 Sep 2014 13:32:31 +0200
Subject: [PATCH] Rotate control should not act on a null view

---
 src/ol/control/rotatecontrol.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ol/control/rotatecontrol.js b/src/ol/control/rotatecontrol.js
index 2ccddc86cd..d1284b2c21 100644
--- a/src/ol/control/rotatecontrol.js
+++ b/src/ol/control/rotatecontrol.js
@@ -130,7 +130,11 @@ ol.control.Rotate.prototype.handlePointerUp_ = function(pointerEvent) {
 ol.control.Rotate.prototype.resetNorth_ = function() {
   var map = this.getMap();
   var view = map.getView();
-  goog.asserts.assert(!goog.isNull(view));
+  if (goog.isNull(view)) {
+    // the map does not have a view, so we can't act
+    // upon it
+    return;
+  }
   var currentRotation = view.getRotation();
   while (currentRotation < -Math.PI) {
     currentRotation += 2 * Math.PI;