public void Set(IAxesTrack <float, Quaternion> other)
 {
     for (var i = 0; i < 3; ++i)
     {
         this.axisTracks_[i].Set(other.AxisTracks[i]);
     }
 }
 public void Set(IAxesTrack <float, IPosition> other)
 => this.impl_.Set(other);