POV-Ray : Newsgroups : povray.unofficial.patches : Radiosity feature suggestion : Re: Radiosity feature suggestion Server Time
2 Sep 2024 04:14:16 EDT (-0400)
  Re: Radiosity feature suggestion  
From: Mike Wilson
Date: 16 May 2000 09:12:08
Message: <39214920.4B8A8F60@iastate.edu>
If you have multiple light_sources do you just use the value of the brightest
one in your calculations, or do you need to figure each one's contribution and
find an average or something?

Mike Wilson

Nathan Kopp wrote:

> Of course, if the light source you use had a brightness of 1.5 instead of
> 1.0, then you'd want to use 0.53 * 1.5 for that value.
>
> -Nathan
>
> TonyB <ben### [at] panamac-comnet> wrote...
> > brightest_ambient_object = average of the RGB of the brightest color times
> > its diffuse. Quoting from Mark Wagner's message to me, this means:
> >
> > "An object with a color of < 1, 0.5, 0.5 > and a diffuse of 0.8 would have
> > an average color of 2/3 and a total brightness of 8/15 or 0.53.  An object
> > with a color of < 2, 2, 2 > and a diffuse of 0.25 would have an average
> > color of 2 and a total brightness of 0.5.  If your scene consisted of only
> > those two objects, you would use 0.53 for the brightest_ambient_object."
> >
> >


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