fixed bug per #70

dist/vis.js

@@ -5,7 +5,7 @@
  * A dynamic, browser-based visualization library.
  *
  * @version 0.8.0-SNAPSHOT
- * @date    2014-03-19
+ * @date    2014-03-21
  *
  * @license
  * Copyright (C) 2011-2014 Almende B.V, http://almende.com
@@ -9593,7 +9593,7 @@ Node.prototype.setProperties = function(properties, constants) {
   if (properties.fontSize !== undefined)       {this.fontSize = properties.fontSize;}
   if (properties.fontFace !== undefined)       {this.fontFace = properties.fontFace;}
 
-  if (this.image !== undefined) {
+  if (this.image !== undefined && this.image != "") {
     if (this.imagelist) {
       this.imageObj = this.imagelist.load(this.image);
     }
@@ -17922,6 +17922,7 @@ Graph.prototype._createBezierNodes = function() {
                   {id:nodeId,
                     mass:1,
                     shape:'circle',
+                    image:"",
                     internalMultiplier:1
                   },{},{},this.constants);
           edge.via = this.sectors['support']['nodes'][nodeId];

examples/graph/25_physics_configuration.html

@@ -77,11 +77,12 @@
       };
 
     var options = {
-    edges: {
-    },
-    stabilize: false,
-    configurePhysics:true
-    };
+            smoothCurves:true,
+            nodes: {
+                shape: 'image',
+                image: 'http://png-4.findicons.com/files/icons/1508/sketchcons_x/128/smiley.png'
+            },
+        };
       graph = new vis.Graph(container, data, options);
 
       // add event listeners

src/graph/Graph.js

@@ -1922,6 +1922,7 @@ Graph.prototype._createBezierNodes = function() {
                   {id:nodeId,
                     mass:1,
                     shape:'circle',
+                    image:"",
                     internalMultiplier:1
                   },{},{},this.constants);
           edge.via = this.sectors['support']['nodes'][nodeId];

src/graph/Node.js

@@ -182,7 +182,7 @@ Node.prototype.setProperties = function(properties, constants) {
   if (properties.fontSize !== undefined)       {this.fontSize = properties.fontSize;}
   if (properties.fontFace !== undefined)       {this.fontFace = properties.fontFace;}
 
-  if (this.image !== undefined) {
+  if (this.image !== undefined && this.image != "") {
     if (this.imagelist) {
       this.imageObj = this.imagelist.load(this.image);
     }