POV-Ray: Newsgroups: povray.binaries.images: Spectral Rendering to avoid primary color bias: Re: Spectral Rendering to avoid primary color bias

POV-Ray : Newsgroups : povray.binaries.images : Spectral Rendering to avoid primary color bias : Re: Spectral Rendering to avoid primary color bias		Server Time 8 Jul 2024 06:24:27 EDT (-0400)

From: clipka
Date: 13 Jun 2014 00:32:02
Message: <539a7ec2$1@news.povray.org>

Am 13.06.2014 05:49, schrieb Cousin Ricky:
> When trying to model water with media absorption a few years ago, I noticed that
> deep water always trended toward the exact hue of the blue phosphor.  I
> suspected very strongly that this was not just a coincidence.
>
> Further testing with both media absorption and fade_color confirmed my
> suspicion.  With tricolor rendering, transparent objects with colored interiors
> show a bias towards the most prominent primary color.  For example, yellow
> materials with even a slightly orange fade_color tend strongly towards red, and
> materials with a chartreuse or aqua fade_color tend strongly toward phosphor
> green.

Yup. That's exactly why I want a patched version of POV-Ray with 
spectral rendering. Still a way to go though - my plan is to refactor 
the hell out of POV-Ray until spectral rendering is just a matter of 
plugging in a different data type for colour handling.

Post a reply to this message