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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