I don't think he published the code, because it was written for Renderman shaders at ILM, though.
His blog is a must read if you're mathematically inclined.
[0] http://blog.sigfpe.com/
[1] http://homepage.mac.com/sigfpe/SRTX2008.pdf
I don't think he published the code, because it was written for Renderman shaders at ILM, though.
His blog is a must read if you're mathematically inclined.
[0] http://blog.sigfpe.com/
[1] http://homepage.mac.com/sigfpe/SRTX2008.pdf