private Track _track = null;
private JDialog _dialog = null;
private JFileChooser _fileChooser = null;
private String _cameraX = null, _cameraY = null, _cameraZ = null;
private JTextField _cameraXField = null, _cameraYField = null, _cameraZField = null;
private Track _track = null;
private JDialog _dialog = null;
private JFileChooser _fileChooser = null;
private String _cameraX = null, _cameraY = null, _cameraZ = null;
private JTextField _cameraXField = null, _cameraYField = null, _cameraZField = null;