public void actionPerformed(ActionEvent e) {
				if (ModelerUtilities.stopFiring(e))
					return;
				int rmax = (int) (Math.max(getElement(e1).getSigma(), getElement(e2).getSigma()) * 5);
				showPCF(new Pcf.Parameter[] { new Pcf.Parameter(e1, e2, rmax, boundary) });
			}