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root/radiance/ray/src/rt/rayinit.cal
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Comparing ray/src/rt/rayinit.cal (file contents):
Revision 2.3 by greg, Tue Mar 3 13:58:11 1992 UTC vs.
Revision 2.5 by greg, Wed Oct 21 11:20:26 1992 UTC

# Line 96 | Line 96 | noneg(v) = if(v,v,0);
96   red(r,g,b) = if(r,r,0);
97   green(r,g,b) = if(g,g,0);
98   blue(r,g,b) = if(b,b,0);
99 < grey(r,g,b) = .3*r + .59*g + .11*b;
99 > grey(r,g,b) = noneg(.263*r + .655*g + .082*b);
100   clip_r(r,g,b) = bound(0,r,1);
101   clip_g(r,g,b) = bound(0,g,1);
102   clip_b(r,g,b) = bound(0,b,1);
103 < clipgrey(r,g,b) = bound(0,grey(r,g,b),1);
103 > clipgrey(r,g,b) = min(grey(r,g,b),1);
104  
105   dot(v1,v2) : v1(1)*v2(1) + v1(2)*v2(2) + v1(3)*v2(3);
106   cross(i,v1,v2) : select(i,      v1(2)*v2(3) - v1(3)*v2(2),

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