public StationOffsetElevation(double aStation, Offset anOffset, Elevation anElevation)
 {
     station = aStation; offset = anOffset; elevation = anElevation;
 }
 //private StationOffsetElevation soePoint;
 public StationOffsetElevation()
 {
     offset = new Offset(0.0); elevation = new Elevation(0.0);
 }