POV-Ray : Newsgroups : povray.advanced-users : Strange colors for SpectralRender metals : Re: Strange colors for SpectralRender metals Server Time
22 Jun 2024 22:12:13 EDT (-0400)
  Re: Strange colors for SpectralRender metals  
From: clipka
Date: 3 Jan 2014 07:05:27
Message: <52c6a787@news.povray.org>
Am 02.01.2014 20:14, schrieb Cousin Ricky:
> Using Ive's SpectralRender, I get strange colors for chrome and gold.
> M_Chrome() renders a dark navy blue, and M_Gold() renders a pure yellow that
> seems much too garish.  I'm sure the little bit of gold I've seen in person is
> only 14 kt, but the images of pure gold I've seen are less saturated and have an
> orange cast.

I wouldn't expect "classic" materials (i.e. defined in terms of an RGB 
colour) to work "out of the box" with SpectralRender. There are 
infinitely many spectra that match any given RGB triplet, and 
SpectralRender needs to resort to wild guessing in order to pick one of 
them.


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