POV-Ray : Newsgroups : povray.binaries.images : rad vs. global illumination : Re: rad vs. global illumination Server Time
17 Aug 2024 20:26:19 EDT (-0400)
  Re: rad vs. global illumination  
From: Norbert Kern
Date: 29 Aug 2001 17:35:47
Message: <3b8d6033$1@news.povray.org>
"Christoph Hormann" <chr### [at] gmxde> schrieb im Newsbeitrag
news:3B8D52BC.4008579A@gmx.de...

>
> I think it's not that simple, radiosity does not only compute the
> influence of diffuse light from sky but also the radiative interaction of
> all objects of the scene, something that gets totally lost with shadowless
> lights.

I used shadowing lights in my fake, but you are right, radiosity does much
more.
Pure global illumination is only helpful in some very special cases.

> Your rad settings seem to use default error_bound of 1.8 which is fairly
> high, lowering it could help to bring more structure in the shadowed parts
> of the scene.

I used error_bound 0.1 in the second image (forgot to mention).

> And of course the finishes probably need to be adapted to the different
> illumination for optimal results.

of course

> NTL it's nice to finally see this scene with radiosity.


ready.

Norbert


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