|02 February 2006||#1|
Join Date: Nov 2002
I use 3Delight and lately I experimeted with its SSS implementation. It's based on Jensen's BSSRDF. So I tried some of the measured parameters given in the BSSRDF paper and the results are really great. What I like to know if there are more measured materials avaible? The paper includes only 12 materials (which are quite a good base).
here the link to the BSSRDF paper:
|02 February 2006||#2|
Lord of the posts
pretty picture maker
Join Date: Jul 2002
Not as far as I know. Measuring materials like that is a laborious process that requires specialist equipment, which is why it seems only US universities ever do it.
Christophe Hery published a technique known as "alpha inversion" for getting bssrdf parameters from a diffuse colour map, and ryan heniser did a nice implementation of that on his renderman academy website.
You can have your characters photoreal, fast or cheap. Pick two.
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