public static void main(String args[]) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (UnsupportedLookAndFeelException e) {
            e.printStackTrace();
        }
        JFrame window = new JFrame("Clustering Visualisation");
        new Visualisation(window);
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //window.setLocationRelativeTo(null);
        window.pack();
        window.setVisible(true);
    }