POV-Ray: Newsgroups: povray.general: gamma

POV-Ray : Newsgroups : povray.general : gamma		Server Time 6 Aug 2024 02:24:54 EDT (-0400)

From: Rafal 'Raf256' Maj
Subject: gamma
Date: 13 Jul 2002 19:58:01
Message: <Xns924B136D8EA91raf256com@204.213.191.226>

I have pixel rendered to A rgb color at assumed_gamma X,
what would be it's rgb color B at another assumed_gamma Y ?
(lets assume that this pixel is in grayscale)

B = ... ?

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From: Slime
Subject: Re: gamma
Date: 13 Jul 2002 20:27:27
Message: <3d30c56f@news.povray.org>

> I have pixel rendered to A rgb color at assumed_gamma X,
> what would be it's rgb color B at another assumed_gamma Y ?
> (lets assume that this pixel is in grayscale)

B = A^(assumed_gammaY/assumed_gammaX)

I think.

 - Slime
[ http://www.slimeland.com/ ]

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