Double selfCallIntermidiateTopPosition = new Double();
length = heightIncrement;
selfCallIntermidiateTopPosition.x = interactionLineStartPosition.x
+ length;
selfCallIntermidiateTopPosition.y = interactionLineStartPosition.y;
linePath.addNode(new BezierPath.Node(
selfCallIntermidiateTopPosition));
Double selfCallIntermidiateBottomPosition = new Double();
height = heightIncrement;
selfCallIntermidiateBottomPosition.x = interactionLineStartPosition.x
+ length;