POV-Ray : Newsgroups : povray.binaries.images : IRTC WIP : Re: IRTC WIP Server Time
31 Jul 2024 10:17:52 EDT (-0400)
  Re: IRTC WIP  
From: Dave Blandston
Date: 14 Apr 2010 08:10:01
Message: <web.4bc5b07bfef3d347cba3fb0f0@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:
> Note however that, technically speaking, working with assumed_gamma 2.2
> /is/ wrong already, so it's no surprise you need to mess up your
> settings to get the expected results.
>
> The officially /right/ way to address the washed-out appearance you see
> in 3.7 is to fix all the colors you use in your existing scenes: Raise
> all RGB color values (but not transmit or filter) to the power of 2.2
> and you should be quite ok with display_gamma=2.2 and file_gamma=2.2 in
> 3.7. Where that still doesn't match your expectations, you're actually
> expecting physically unrealistic results. (For that "X", for instance,
> you may need to reduce radiosity brightness to get what you expect.)

Thank you - I appreciate the advice. That's very helpful. I turned my video
card's gamma setting down from the default setting and POV pictures rendered
with the display_gamma=2.2 and file_gamma=2.2 settings look correct.

Regards,
Dave Blandston


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