{
// System.out.println( node1.getLabel() + " - " + node2.getLabel()
// );
// System.out.println( "overlap : " + overlap );
difference.normalize();
difference.dotProduct( overlap );
// System.out.println( "Diff:" + difference );
// Vector2D overlapV = ImageRenderer.transformScreenToWorld(
// difference.getX(), difference.getY(), minX, maxX, minY, maxY,
// globalMinX,
// globalMaxX, globalMinY, globalMaxY, width, height );