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root/radiance/ray/src/rt/rayinit.cal
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Comparing ray/src/rt/rayinit.cal (file contents):
Revision 2.2 by greg, Mon Nov 25 09:51:57 1991 UTC vs.
Revision 2.4 by greg, Mon Aug 17 16:01:24 1992 UTC

# Line 9 | Line 9
9          Nx, Ny, Nz                      - surface normal
10          Px, Py, Pz                      - intersection point
11          T                               - distance from start
12 +        Ts                              - single ray (shadow) distance
13          Rdot                            - ray dot product
14          S                               - world scale
15          Tx, Ty, Tz                      - world origin
# Line 95 | 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);

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