POV-Ray : Newsgroups : povray.advanced-users : Realistic subsurface scattering? : Re: Realistic subsurface scattering? Server Time
3 Jul 2024 04:56:39 EDT (-0400)
  Re: Realistic subsurface scattering?  
From: Carlo C 
Date: 5 Mar 2009 03:40:00
Message: <web.49af8f5f80e98aa03ca3a0b90@news.povray.org>
"clipka" <nomail@nomail> wrote:
> I'm looking for a (free) renderer that does realistic subsurface scattering,
> using physical material parameters as input (i.e. absorption and scattering
> coefficients) - or a way to do it in POV. Rendering times don't matter, even if
> it takes days to render a simple wax sphere on a checkered plane. Main
> prerequisite is high physical accuracy.
>
> I had hoped for a combination of scattering and absorbing media in POV to do the
> job, but it doesn't seem to work with real physical material properties - unless
> someone happens to know a reliable way to convert those properties to POV media
> parameters.
>
> The parameters I have available - aside from index of refraction - are
> "absorption coefficients" and "reduced scattering coefficients" for red, green
> and blue light respectively (computed from measurements under the simplifying
> assumption that the "phase function" is isotropic).
>
> Any ideas?

Clipka a Sam Benge process may be useful?:
http://news.povray.org/489cc386%40news.povray.org

Clipka, sorry if I did not fully understand your question. :-)

(
POV info:
For those who do not know, I remember that Mr. Cason is working on:
http://news.povray.org/49688faa%40news.povray.org
)

--
Carlo


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