/// <summary>
 /// Initializes an instance of a TrackObjectShapeScalePoint.
 /// </summary>
 /// <param name="shape">Related TrackObjectShape.</param>
 public TrackObjectShapeScalePoint(TrackObjectShape shape)
 {
     _shape = shape;
 }
 /// <summary>
 /// Initializes an instance of a TrackObjectShapeReferencePoint.
 /// </summary>
 /// <param name="shape">Related TrackObjectShape.</param>
 public TrackObjectShapeReferencePoint(TrackObjectShape shape)
 {
     _shape = shape;
 }