drawTree( rootB ,16, g);
drawTree( rootB ,32, g);
    public void paint( Graphics g ) {      nodesMap = new HashMap();      leafno=3;      mirror = false;      drawTree( rootA ,0,g);      leafno=3;      mirror = true;      drawTree( rootB ,16, g);      for( Iterator i = visibleMappings.iterator();i.hasNext();)        ((VisibleMapping) i.next()).draw(g);    }