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"Edouard" <pov### [at] edouard info> wrote:
> > ...global_settings{ambient_light 0}
> >
> > It's really a multiplier (which is why it's set up as <1,1,1> by default); a
> > very useful little on/off ambient-light switch for running radiosity scenes.
> >
> > KW
>
> I find that even worse - in a radiosity scene, you often want some objects to
> give out light via an ambient term. Specifically with lightprobes, you need the
> lightprobe image to be ambient X and diffuse 0. Radiosity based lightprobe
> scenes often have no actual lights - all the lighting originates from the
> lightprobe. Setting the global ambient multiplier to 0 turns off the lightprobe
> in those cases, and your scene ends up black...
Hmm, that's bad! :-O You're right, it certainly isn't applicable in all cases.
KW
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