Element: polynode.lug_style
Element: polynode.lug_stylenumeric
Details of which entity lugs are to be displayed when the member entity.lugs is set. Possible values of lug_style are:
0 - The origin of the polynode.
1 - The mid-points of all polynode markers.
2 - The mid-points of all polynode markers and the origin of the polynode.
When a lug is picked (via the luglock function) the possible values of the system numeric lug_index are:
0 - The origin of the polynode.
n - Marker <n> of the polynode.