diff -r a276b36ae58e -r 4f92e61f87ba client/js/renderer/noderepr.js
--- a/client/js/renderer/noderepr.js	Wed Sep 10 16:58:01 2014 +0200
+++ b/client/js/renderer/noderepr.js	Thu Sep 11 16:49:45 2014 +0200
@@ -1,5 +1,3 @@
-
-
 define(['jquery', 'underscore', 'requtils', 'renderer/baserepresentation', 'renderer/shapebuilder'], function ($, _, requtils, BaseRepresentation, ShapeBuilder) {
     'use strict';
 
@@ -18,10 +16,7 @@
         _init: function() {
             this.renderer.node_layer.activate();
             this.type = "Node";
-            this.shapeBuilder = new ShapeBuilder(this.model.get("shape"));
-            // "circle" "rectangle" "ellipse" "regularpolygon" "star" "diamond"
-            this.circle = this.shapeBuilder.getShape();
-            this.circle.__representation = this;
+            this.buildShape();
             if (this.options.show_node_circles) {
                 this.circle.strokeWidth = this.options.node_stroke_width;
                 this.h_ratio = 1;
@@ -29,6 +24,7 @@
                 this.h_ratio = 0;
             }
             this.title = $('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
+            
             if (this.options.editor_mode) {
                 var Renderer = requtils.getRenderer();
                 this.normal_buttons = [
@@ -42,6 +38,7 @@
                                                new Renderer.NodeRevertButton(this.renderer, null)
                                                ];
                 this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons);
+                
                 for (var i = 0; i < this.all_buttons.length; i++) {
                     this.all_buttons[i].source_representation = this;
                 }
@@ -58,7 +55,34 @@
                 this.renderer.minimap.node_group.addChild(this.minimap_circle);
             }
         },
+        buildShape: function(){
+            console.log("buildShape");//, this.model.get("shape_changed"), this.model.get("shape"));
+            if(typeof this.model.get("shape_changed")!=="undefined" && this.model.get("shape_changed")===true){
+                this.model.set("shape_changed", false);
+                console.log("REMOVE IMG !!");
+                this.img = "a";
+                //delete this.renderer.image_cache[this.img];
+            }
+            if(this.circle){
+                this.circle.remove();
+                delete this.circle;
+            }
+            // "circle" "rectangle" "ellipse" "polygon" "star" "diamond"
+            this.shapeBuilder = new ShapeBuilder(this.model.get("shape"));
+            this.circle = this.shapeBuilder.getShape();
+            this.circle.__representation = this;
+            this.last_circle_radius = 1;
+            /*if (this.node_image) {
+                console.log("this.node_image.remove();")
+                this.node_image.remove();
+                delete this.node_image;
+            }*/
+        },
         redraw: function(_dontRedrawEdges) {
+            //console.log("redraw");
+            if(typeof this.model.get("shape_changed")!=="undefined" && this.model.get("shape_changed")===true){
+                this.buildShape();
+            }
             var _model_coords = new paper.Point(this.model.get("position")),
             _baseRadius = this.options.node_size_base * Math.exp((this.model.get("size") || 0) * Utils._NODE_SIZE_STEP);
             if (!this.is_dragging || !this.paper_coords) {
@@ -135,9 +159,11 @@
             var lastImage = this.img;
             this.img = this.model.get("image");
             if (this.img && this.img !== lastImage) {
+                console.log("test 1 = " + lastImage + ", img = " + this.img);
                 this.showImage();
             }
             if (this.node_image && !this.img) {
+                console.log("tes 2 = ");
                 this.node_image.remove();
                 delete this.node_image;
             }
@@ -169,16 +195,22 @@
 
         },
         showImage: function() {
+            console.log("showImage " + this.img);
             var _image = null;
             if (typeof this.renderer.image_cache[this.img] === "undefined") {
+                console.log("showImage 1");
                 _image = new Image();
                 this.renderer.image_cache[this.img] = _image;
                 _image.src = this.img;
             } else {
+                console.log("showImage 2");
                 _image = this.renderer.image_cache[this.img];
             }
+            console.log("showImage 3");
             if (_image.width) {
+                console.log("showImage 4");
                 if (this.node_image) {
+                    console.log("showImage 5");
                     this.node_image.remove();
                 }
                 this.renderer.node_layer.activate();
@@ -415,6 +447,7 @@
                 this.minimap_circle.remove();
             }
             if (this.node_image) {
+                console.log("remove image 1");
                 this.node_image.remove();
             }
         }