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root/Development/ray/src/rt/ambcomp.c
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Comparing ray/src/rt/ambcomp.c (file contents):
Revision 2.62 by greg, Mon May 19 20:23:48 2014 UTC vs.
Revision 2.64 by greg, Tue Aug 19 15:04:40 2014 UTC

# Line 21 | Line 21 | static const char      RCSid[] = "$Id$";
21   #include  "ambient.h"
22   #include  "random.h"
23  
24 < #ifdef NEWAMB
24 > #ifndef OLDAMB
25  
26   extern void             SDsquare2disk(double ds[2], double seedx, double seedy);
27  
# Line 78 | Line 78 | ambsample(                             /* initial ambient division sample */
78          hlist[1] = j;
79          hlist[2] = i;
80          multisamp(spt, 2, urand(ilhash(hlist,3)+n));
81 <        if (!n) {                       /* avoid border samples for n==0 */
81 >                                        /* avoid coincident samples */
82 >        if (!n && (0 < i) & (i < hp->ns-1) &&
83 >                        (0 < j) & (j < hp->ns-1)) {
84                  if ((spt[0] < 0.1) | (spt[0] >= 0.9))
85                          spt[0] = 0.1 + 0.8*frandom();
86                  if ((spt[1] < 0.1) | (spt[1] >= 0.9))

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