@Override
public void display(GLAutoDrawable glautodrawable) {

    GL gl = glautodrawable.getGL();
    int newWidth = glautodrawable.getWidth();
    int newHeight = glautodrawable.getHeight();
    System.out.println(newWidth + "   " + newHeight);
    try {
        render(gl, newWidth, newHeight);
    } catch (IOException ex) {
        Logger.getLogger(dataModelGLEventListener.class
                .getName()).log(Level.SEVERE, null, ex);
    }

}