Enable/Disable clipping planes

Hi @n.leguina,

Look here:

http://developer.rhino3d.com/api/RhinoCommon/html/P_Rhino_Render_ChangeQueue_ClippingPlane_ViewIds.htm

http://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_DocObjects_ClippingPlaneObject_RemoveClipViewport.htm

– Dale