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root/radiance/ray/src/rt/glass.c
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Comparing ray/src/rt/glass.c (file contents):
Revision 2.17 by greg, Tue Jun 21 15:06:50 2005 UTC vs.
Revision 2.18 by greg, Sun Sep 26 15:51:15 2010 UTC

# Line 145 | Line 145 | m_glass(               /* color a ray which hit a thin glass surfac
145          if (rayorigin(&p, REFLECTED, r, refl) == 0) {
146                  for (i = 0; i < 3; i++)
147                          p.rdir[i] = r->rdir[i] + 2.0*pdot*pnorm[i];
148 +                checknorm(p.rdir);
149                  rayvalue(&p);
150                  multcolor(p.rcol, p.rcoef);
151                  addcolor(r->rcol, p.rcol);

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