POV-Ray : Newsgroups : povray.binaries.images : SunShadow - Bright soft shadows : Re: SunShadow - Bright soft shadows Server Time
10 Aug 2024 05:23:05 EDT (-0400)
  Re: SunShadow - Bright soft shadows  
From: Christoph Hormann
Date: 17 Oct 2004 04:20:02
Message: <ckt9rj$1qo$2@chho.imagico.de>
Renderdog wrote:
> [...]
> 
> The soft shadows on the dark grey parts appear normal
> because no scaling was performed on that part, while the
> white parts show a truncated soft shadow (and a color
> tinge when lit by a yellow light).

That effect is caused by the clipping of color values.  You can reduce 
this by using a smoother tone mapping curve like for example MegaPOV's 
film exposure patch:

http://megapov.inetart.net/manual-1.1/global_settings.html#film_exposure

Christoph

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