http://aqsis.org/ Renderman Compliant, so you should be able to make about 
whatever you want.
http://www.indigorenderer.com/joomla/  Indigo rocks too.
http://www.indigorenderer.com/joomla/component/option,com_gallery2/Itemid,26/?g2_itemId=6441

ian

"clipka" <nomail@nomail> wrote in message 
news:web.49aee7c45c51f8d126f6761f0@news.povray.org...
> 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?
>
>
>
>

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