mainFrame = new JFrame("Task Graph");
mainFrame.setSize(800,600);

mainFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
mainFrame.setVisible(true);

Container pane = mainFrame.getContentPane();
pane.setLayout(new BorderLayout());
JSVGCanvas canvas = new JSVGCanvas();
canvas.setURI("output.xml");
pane.add(canvas, BorderLayout.CENTER);
pane.setVisible(true);