diff -r 2f35c2ae7de8 -r c5086f714631 client/js/renderer/scene.js
--- a/client/js/renderer/scene.js	Sun May 25 13:45:24 2014 +0900
+++ b/client/js/renderer/scene.js	Wed Jun 04 12:36:17 2014 +0200
@@ -233,12 +233,12 @@
         bindClick(".Rk-ZoomFit", "autoScale");
         this.$.find(".Rk-ZoomSave").click( function() {
             // Save scale and offset point
-            _this.renkan.project.addView( { zoom_level:_this.scale, offset_x:_this.offset.x, offset_y:_this.offset.y } );
+            _this.renkan.project.addView( { zoom_level:_this.scale, offset:_this.offset } );
         });
         this.$.find(".Rk-ZoomSetSaved").click( function() {
             var view = _this.renkan.project.get("views").last();
             if(view){
-                _this.setScale(view.get("zoom_level"), new paper.Point(view.get("offset_x"), view.get("offset_y")));
+                _this.setScale(view.get("zoom_level"), new paper.Point(view.get("offset")));
             }
         });
         if(this.renkan.read_only && !isNaN(parseInt(this.renkan.options.default_view))){
@@ -660,8 +660,8 @@
                 var _scale = Math.min( (paper.view.size.width - 2 * this.renkan.options.autoscale_padding) / (_maxx - _minx), (paper.view.size.height - 2 * this.renkan.options.autoscale_padding) / (_maxy - _miny));
                 this.initialScale = _scale;
                 // Override calculated scale if asked
-                if((typeof force_view !== "undefined") && parseFloat(force_view.zoom_level)>0 && parseFloat(force_view.offset_x)>0 && parseFloat(force_view.offset_y)>0){
-                    this.setScale(parseFloat(force_view.zoom_level), new paper.Point(parseFloat(force_view.offset_x), parseFloat(force_view.offset_y)));
+                if((typeof force_view !== "undefined") && parseFloat(force_view.zoom_level)>0 && parseFloat(force_view.offset.x)>0 && parseFloat(force_view.offset.y)>0){
+                    this.setScale(parseFloat(force_view.zoom_level), new paper.Point(parseFloat(force_view.offset.x), parseFloat(force_view.offset.y)));
                 }
                 else{
                     this.setScale(_scale, paper.view.center.subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale)));