public PoseMessage()
 {
     this.position    = new PointMessage();
     this.orientation = new QuaternionMessage();
 }
 public PoseMessage(PointMessage position, QuaternionMessage orientation)
 {
     this.position    = position;
     this.orientation = orientation;
 }
 public TransformMessage()
 {
     translation = new Vector3Message();
     rotation    = new QuaternionMessage();
 }