POV-Ray : Newsgroups : povray.tools.general : a tonemapping question : Re: a tonemapping question Server Time
20 May 2024 05:59:00 EDT (-0400)
  Re: a tonemapping question  
From: Jan Dvorak
Date: 4 Dec 2007 10:09:32
Message: <47556dac$1@news.povray.org>
Jan Dvorak napsal(a):
> Hello,
> currently the tonemapping (megapov) affects each RGB channel 
> independently. Is it possible to make it affect the luminace but not the 
> overall color (hue, saturation)?
> 
> The color is perceived in the eye in a Lab format, luminace being 
> treated logarithmically. I want to simulate this behavior to compress 
> HDR images into LDR inside pov-ray.
oops, wrong group


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