UVPov has the keyword experimental keyword 'split_union' to turn union
splitting on & off on a per-object basis ('split_union on' or
'split_union off').  The official version allows this as an INI or
command line option.  From the docs in the section "Removing User Bounding":

Split_Unions=bool	Turn split bounded unions on/off
+SU	Turn split bounded unions on
-SU	Turn split bounded unions off

-Nathan

TonyB wrote:
> 
> That sure is odd.
> 
> I wish there was a way to make POV count a union of objects as one object,
> instead of counting as if they were separate. The only way I see to eliminate
> this is to merge, but that just slows things down. It's just a thing I would
> like, I don't think it serves any useful purpose.
> 
> --
> Anthony L. Bennett
> http://welcome.to/TonyB
> 
> Graphics rendered
> by the Dreamachine.

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