Slab Data > Vertical Offset

Form: Slab Offset

Use the Assign menu > Slab Data > Vertical Offset command to assign a vertical offset to a selected area object.

1. Select one or more area objects in the datum plane (not walls or ramps) and click the Assign menu > Slab Data > Vertical Offset command to access the Slab Offset form.

2. Specify the distance that the top of the selected area objects lie above the datum location in the positive Z direction; a negative value entered means that the area objects lie below the datum location. The datum location is specified on the Coordinate System form for the GLOBAL coordinate system.