public JComponent getJComponent() {
    Dimension d = new Dimension((actors.size()) * data.distanceBetweenActors + 30 + 320, yPosition + 20);
    cContent.setSize(d);
    cContent.setPreferredSize(d);
    cContent.setMinimumSize(d);
    return panel;
  }
Gets horizontal arrow on y height from x=s to x=d

@param s
@param d
@param y
@return
olv-core/src/main/java/pl/otros/logview/uml/UMLModel.java