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root/radiance/ray/lib/orange.cal
Revision: 1.1
Committed: Wed Mar 12 17:45:48 2003 UTC (21 years, 3 months ago) by greg
Branch: MAIN
Log Message:
Added the rest of the missing files to ray/lib/

File Contents

# User Rev Content
1 greg 1.1 {
2     orange.cal - texture for orange
3    
4     orange must be unit sphere centered at origin
5    
6     A1 = angular frequency
7     }
8     otex_psiz : .006; { was .003 }
9     otex_rand : .6;
10    
11     otex_dx = otex_psiz * PI*sin(2*otex_X)/2*Py/otex_rad/A1 / otex_denom;
12    
13     otex_dy = otex_psiz * -PI*sin(2*otex_X)/2*Px/otex_rad/A1 / otex_denom;
14    
15     otex_dz = otex_psiz * PI*(sin(2*otex_X)/2*(Pz*Atan2(Py,Px)-1/sqrt(3)) +
16     sin(2*otex_Y)/sqrt(3))/otex_rad/A1 / otex_denom;
17    
18     otex_X = PI * ((Atan2(Py,Px)*otex_rad - acos(Pz)/sqrt(3))/A1 +
19     otex_rand*noise3(Px/A1,Py/A1,Pz/A1));
20     otex_Y = PI * (2*acos(Pz)/sqrt(3)/A1 +
21     otex_rand*noise3((Px+1)/A1,(Py+1)/A1,(Pz+1)/A1));
22     otex_denom = (sq(sin(otex_X))+sq(sin(otex_Y)))^1.5;
23     otex_rad = sqrt(1-Pz*Pz);