SET_VP_CAPPING specifies whether or not to use a solid clipping
plane or a transparent clipping plane.
--->(SET_VP_CAPPING)--|viewport|--+--(:ON)---+-->
| |
+--(:OFF)--+
The following options are available to set capping.
- :ON - specifies a transparent clipping plane.
- :OFF - specifies a solid clipping plane.
Use this action when you want to view a part with the front and
back sections clipped. With a transparent clipping plane,
you can view and perform modeling operations inside the part.