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root/radiance/ray/lib/gloss.cal
Revision: 1.2
Committed: Tue Mar 18 17:30:17 2003 UTC (21 years, 2 months ago) by greg
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +0 -0 lines
State: FILE REMOVED
Log Message:
Decided to move ray/lib directory into non-CVS distribution

File Contents

# User Rev Content
1 greg 1.1 {
2     Rough surface texture for anisotropic materials.
3    
4     A1 - RMS facet slope (roughness) in x.
5     A2 - roughness in y.
6     A3 - roughness in z.
7     }
8    
9     gloss_dx = A1*nrand(Px*.9113+Py*.3697+Pz*.4468);
10     gloss_dy = A2*nrand(Px*.85875+Py*.1521+Pz*.1782);
11     gloss_dz = A3*nrand(Px*.5992+Py*.7961+Pz*.3213);