Remove Lighting Group Vertex

To remove a vertex from a lighting group area boundary, go to

Ribbon: DM Electrical->Lighting Groups-> Remove Lighting Group Vertex

Pulldown Menu: DM Electrical->Lighting Groups->Remove Lighting Group Vertex

You will be prompted to draw a crossing box around the lighting group boundary vertex to remove.

First crossing point around lighting group vertex to remove:

You will then be prompted to specify the opposite corner of the crossing box.

Second crossing point:

The vertex on the lighting group boundary that is surrounded by the box will be removed.