(re)fixed #181

dist/vis.js

@@ -18296,7 +18296,7 @@ Graph.prototype.storePosition = function() {
       var node = this.nodes[nodeId];
       var allowedToMoveX = !this.nodes.xFixed;
       var allowedToMoveY = !this.nodes.yFixed;
-      if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData.data[nodeId].y != Math.round(node.y)) {
+      if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData._data[nodeId].y != Math.round(node.y)) {
         dataArray.push({id:nodeId,x:Math.round(node.x),y:Math.round(node.y),allowedToMoveX:allowedToMoveX,allowedToMoveY:allowedToMoveY});
       }
     }

src/graph/Graph.js

@@ -2245,7 +2245,7 @@ Graph.prototype.storePosition = function() {
       var node = this.nodes[nodeId];
       var allowedToMoveX = !this.nodes.xFixed;
       var allowedToMoveY = !this.nodes.yFixed;
-      if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData.data[nodeId].y != Math.round(node.y)) {
+      if (this.nodesData._data[nodeId].x != Math.round(node.x) || this.nodesData._data[nodeId].y != Math.round(node.y)) {
         dataArray.push({id:nodeId,x:Math.round(node.x),y:Math.round(node.y),allowedToMoveX:allowedToMoveX,allowedToMoveY:allowedToMoveY});
       }
     }