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root/radiance/ray/src/rt/rpict.c
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Comparing ray/src/rt/rpict.c (file contents):
Revision 1.25 by greg, Tue May 21 17:41:35 1991 UTC vs.
Revision 1.27 by greg, Wed Jun 19 16:36:34 1991 UTC

# Line 36 | Line 36 | double  pixaspect = 1.0;               /* pixel aspect ratio */
36   int  psample = 4;                       /* pixel sample size */
37   double  maxdiff = .05;                  /* max. difference for interpolation */
38   double  dstrpix = 0.67;                 /* square pixel distribution */
39 – int  psuper = 2;                        /* pixel super-sampling rate */
39  
40   double  dstrsrc = 0.0;                  /* square source distribution */
41   double  shadthresh = .05;               /* shadow threshold */
42   double  shadcert = .5;                  /* shadow certainty */
43 + int  directrelay = 0;                   /* number of source relays */
44  
45   int  maxdepth = 6;                      /* maximum recursion depth */
46   double  minweight = 5e-3;               /* minimum ray weight */
# Line 65 | Line 65 | extern long  tstart;                   /* starting time */
65  
66   extern long  nrays;                     /* number of rays traced */
67  
68 < #define  MAXDIV         32              /* maximum sample size */
68 > #define  MAXDIV         15              /* maximum sample size */
69  
70   #define  pixjitter()    (.5+dstrpix*(.5-frandom()))
71  
# Line 127 | Line 127 | char  *zfile, *oldfile;
127                                          /* check sampling */
128          if (psample < 1)
129                  psample = 1;
130 <        else if (psample > MAXDIV)
130 >        else if (psample > MAXDIV) {
131 >                sprintf(errmsg, "pixel sampling reduced from %d to %d",
132 >                                psample, MAXDIV);
133 >                error(WARNING, errmsg);
134                  psample = MAXDIV;
135 +        }
136                                          /* allocate scanlines */
137          for (i = 0; i <= psample; i++) {
138                  scanbar[i] = (COLOR *)malloc(hresolu*sizeof(COLOR));

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