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root/radiance/ray/src/rt/rpict.c
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Comparing ray/src/rt/rpict.c (file contents):
Revision 2.38 by greg, Mon Aug 29 15:42:34 1994 UTC vs.
Revision 2.40 by greg, Wed Dec 21 09:51:56 1994 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1993 Regents of the University of California */
1 > /* Copyright (c) 1994 Regents of the University of California */
2  
3   #ifndef lint
4   static char SCCSid[] = "$SunId$ LBL";
# Line 67 | Line 67 | double srcsizerat = .25;               /* maximum ratio source size
67   double  specthresh = .15;               /* specular sampling threshold */
68   double  specjitter = 1.;                /* specular sampling jitter */
69  
70 + int  backvis = 1;                       /* back face visibility */
71 +
72   int  maxdepth = 6;                      /* maximum recursion depth */
73   double  minweight = 5e-3;               /* minimum ray weight */
74  
# Line 602 | Line 604 | int  x, y;                     /* pixel position */
604   {
605          static RAY  thisray;
606  
607 <        if (viewray(thisray.rorg, thisray.rdir, &ourview,
608 <                        (x+pixjitter())/hres, (y+pixjitter())/vres) < 0) {
607 >        if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, &ourview,
608 >                        (x+pixjitter())/hres, (y+pixjitter())/vres)) < -FTINY) {
609                  setcolor(col, 0.0, 0.0, 0.0);
610                  return(0.0);
611          }

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