Am 27.05.2010 20:18, schrieb Jim Holsenback:

> oh yeah ... found this while I was working on sslt entry, and thought
> some of you might find it useful:
> http://graphics.stanford.edu/papers/bssrdf/
>
> a tough read (pdf link at bottom of page) but I slogged through it ;-)

... which, by the way, is exactly the paper the implementation in 
POV-Ray is primarily based upon :-) (Well, that, and some earlier 
POV-Ray 3.6 patch - by Sarah Tariq and Lawrence (Lorenzo) Ibarria - 
which appeared to be based on that very same paper as well, but was 
found wanting in various respects.)

There is also some follow-up paper by the same Henrik Wann Jensen (and 
some Juan Buhler) called "A Rapid Hierarchical Rendering Technique for 
Translucent Materials" (don't know a link, but it's out there as a PDF 
somewhere), which provided some inspiration for planned improvements.

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