diff -r 3a74c554c9b9 -r c8fe9606d967 client/annotviz/app/pianoroll_h.html
--- a/client/annotviz/app/pianoroll_h.html	Wed Apr 15 18:26:59 2015 +0200
+++ b/client/annotviz/app/pianoroll_h.html	Thu Apr 16 11:08:05 2015 +0200
@@ -41,7 +41,7 @@
         
         var stageView = new annotviz.StageView({
         	logger: logger,
-        	sceneWidth: 1280,
+        	sceneWidth: 1024,
         });
 
         var doubleroll = new annotviz.DoubleRoll({
@@ -49,7 +49,7 @@
             stageView: stageView,
             ws: new annotviz.WsWrapper(wsUri),
         	orientation: 'horizontal',
-        	sceneWidth: 1280,
+        	sceneWidth: 1024,
         	zeroShift: 1,
             pianorolls : [
 			  {