else if(type.equals("net")) {
                n.rep.show = false;
                  //calculate the centroid of the nodes that
                  //this net attaches.
                int num = 0;
                double x = 0;
                double y = 0;
                for(Enumeration e = n.in.elements(); e.hasMoreElements();) {
                    Node n2 = ((Edge)e.nextElement()).tail;
                    System.out.println("TAIL " + n2.name + " " + n.name);
                    x += n2.x;
                    y += n2.y;
                    num++;
                }
                for(Enumeration e = n.out.elements(); e.hasMoreElements();) {
                    Node n2 = ((Edge)e.nextElement()).head;
                    System.out.println("HEAD " + n2.name + " " + n.name);
                    x += n2.x;
                    y += n2.y;
                    num++;
                }
                if(num > 0) {
                    n.x = x/num;
                    n.y = y/num;
                }