BufferedImage image = new BufferedImage(xpanel.getWidth(),
                                        xpanel.getHeight(),
                                        BufferedImage.TYPE_INT_RGB);
getContentPane().paint(image.getGraphics());
BufferedImage subImage = new BufferedImage(CANVAS3D_WIDTH,
                                           CANVAS3D_HEIGHT,
                                           BufferedImage.TYPE_INT_RGB);
((Graphics2D) subImage.getGraphics()).drawImage(image, null,
                                                -c3d.getX(), -c3d.getY());
Background bg = new Background(new ImageComponent2D(ImageComponent2D.FORMAT_RGB, subImage));
BoundingSphere bounds = new BoundingSphere();
bounds.setRadius(100.0);
bg.setApplicationBounds(bounds);
BranchGroup objRoot = new BranchGroup();
objRoot.addChild(bg);