-to string method changed

src/de/tud/kom/p2psim/impl/topology/util/PositionVector.java

@@ -408,8 +408,9 @@ public class PositionVector implements Location {
 	}
 
 	@Override
-	public String toString() {				
-		return "PV("+getDimensions()+") " + Arrays.toString(values) + "";			
+	public String toString() {		
+		return "(" + values[0] + ", " + values[1] + ")";
+		//return "PV("+getDimensions()+") " + Arrays.toString(values) + "";			
 	}
 	
 	@Override