POV-Ray : Newsgroups : povray.binaries.images : Blast from the Past: Realistic Fire in POV-Ray 3.1 (originally by Heiko Rappich on 1998-10-21) : Re: Blast from the Past: Realistic Fire in POV-Ray3.1(originallybyHeiko Rap= Server Time: 18 Jun 2019 04:50:36 GMT
  Re: Blast from the Past: Realistic Fire in POV-Ray3.1(originallybyHeiko Rap=  
From: Cousin Ricky
Date: 14 May 2019 15:50:00
Zeger Knaepen <zeg### [at] povplacecom> wrote:
> Yadgar wrote:
> > You probably meant something like rgb <0.75, 0.5, 0.25>, as rgb <1, 0.5,
> > 0.01> would not yield any significant reduction in saturation...
>
> that's a bit too little saturation I think, but you're correct,
> <1,.5,.01> is still way too saturated. <1,.125,.06> looks a lot better imho.
>
> I seem to remember I once made a kelvin-to-rgb converter, in javascript.
> Can't seem to find it though, but a quick google gave me this:
> http://www.tannerhelland.com/4435/convert-temperature-rgb-algorithm-code/

Lightsys IV has kelvin-to-RGB conversion using POV SDL.  The relevant include
file is CIE.inc.

  http://www.ignorancia.org/index.php/technical/lightsys/


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