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Christopher James Huff wrote:
>In article <3ddcaf51[at]news.povray.org>,
> Philippe Debar <phd### [at] wanadoo be> wrote:
>
>> * backdrop alone in a light_group (but I do not know if this works with
>> ambient light emmission in radiosity).
>
>I don't think that will have any effect at all.
>
I just did this in a scene I'm working on and it seemed to work fine. I had
a background that I wanted to illuminate with a colored light, but didn't
want the colored light or background to influence the radiosity, so I made
the light & background a light_group with global lights turned off, and it
seems to do exactly what I wanted.
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