diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/InputEventCellEditor.java b/AlgebraicDataflowArchitectureModel/src/application/editor/InputEventCellEditor.java
index dcad154..57ab5d2 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/InputEventCellEditor.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/InputEventCellEditor.java
@@ -282,8 +282,8 @@
 		List<Resource> children = resNode.getChildren();
 		if(children != null) {
 			//List<Resource> children = resNode.getChildren();
-			int i = 1;
-			int childCount = children.size();
+			double i = 1;
+			double childCount = children.size();
 			for (Resource childNode: children) {
 				double width, height, maxDiv;
 				ResourcePath childRes ;
@@ -300,7 +300,7 @@
 
 
 				Object childResource = graph.insertVertex(resource, null,
-						childRes.toString(), width * (i - childCount / 2.0), height/2, width, height,
+						childRes.toString(), width * (i - 1 - (childCount-1) / 2)*childCount, height/2, width, height,
 						"shape=ellipse;perimeter=ellipsePerimeter;verticalAlign=top;"); // insert a resource as a vertex
 				resources.put(childNode, childResource);
 				i++;