From 6d531cdc29123edeeae5e54e4852e731027f4f1e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89ric=20Lemoine?= <eric.lemoine@gmail.com>
Date: Thu, 16 Oct 2014 19:42:26 +0200
Subject: [PATCH] Constrain center in zoomify example

---
 examples/zoomify.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/examples/zoomify.js b/examples/zoomify.js
index ef48e73b1b..a33547f79c 100644
--- a/examples/zoomify.js
+++ b/examples/zoomify.js
@@ -45,6 +45,9 @@ var map = new ol.Map({
   view: new ol.View({
     projection: proj,
     center: imgCenter,
-    zoom: 0
+    zoom: 0,
+    // constrain the center: center cannot be set outside
+    // this extent
+    extent: [0, -imgHeight, imgWidth, 0]
   })
 });