public void CodeQuad3d(ref Quad3d v)
 {
     throw new NotImplementedException();
 }
 public void CodeQuad3d(ref Quad3d v)
 {
     CodeV3d(ref v.P0); CodeV3d(ref v.P1); CodeV3d(ref v.P2); CodeV3d(ref v.P3);
 }
 public void CodeQuad3d(ref Quad3d v)
 {
     AddValue(v.ToString());
 }