Define a Datum Plane's Location by Entering X, Y, and Z Values
- 
                From the HyperGraph 3D toolbar, click the Datum
                    Planes icon, 
.
             - Select a datum plane from the Datum list.
 - Select the Position tab.
 - Under Location:, enter values in the X=, Y=, and/or Z= fields. Values are in the curve’s system of units.