On 5/25/21 8:40 AM, jr wrote:
> could it be implemented as-easily in POV-Ray
> too?

You, and that concept of easy... ;-) As implemented it's a stand alone 
bit of code.

Aside: I did manage to use some of the object flags to break out 
light_sources, csg (merge,union,difference,intersection), light unions 
and light groups from the object id category. The id sub-catagories Left 
in as probably more useful than not, but there is the nagging thought it 
might somewhere be the wrong thing to do.

Bill P.

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