private int _currentPoint = -1;
private boolean _valid = false;
private int _startIndex = -1, _endIndex = -1;
private int _currentPhotoIndex = -1;
private IntegerRange _altitudeRange = null;
private int _climb = -1, _descent = -1;
private int _currentPoint = -1;
private boolean _valid = false;
private int _startIndex = -1, _endIndex = -1;
private int _currentPhotoIndex = -1;
private IntegerRange _altitudeRange = null;
private int _climb = -1, _descent = -1;