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Comparing ray/src/rt/rview.c (file contents):
Revision 1.1 by greg, Thu Feb 2 10:41:39 1989 UTC vs.
Revision 1.7 by greg, Wed Oct 25 15:37:19 1989 UTC

# Line 28 | Line 28 | double  maxdiff = .15;                 /* max. sample difference */
28   double  exposure = 1.0;                 /* exposure for scene */
29  
30   double  dstrsrc = 0.0;                  /* square source distribution */
31 + double  shadthresh = .1;                /* shadow threshold */
32 + double  shadcert = .25;                 /* shadow certainty */
33  
34   int  maxdepth = 4;                      /* maximum recursion depth */
35   double  minweight = 1e-2;               /* minimum ray weight */
36  
37   COLOR  ambval = BLKCOLOR;               /* ambient value */
38   double  ambacc = 0.2;                   /* ambient accuracy */
39 < int  ambres = 64;                       /* ambient resolution */
39 > int  ambres = 8;                        /* ambient resolution */
40   int  ambdiv = 32;                       /* ambient divisions */
41   int  ambssamp = 0;                      /* ambient super-samples */
42   int  ambounce = 0;                      /* ambient bounces */
# Line 66 | Line 68 | int  code;
68   devopen(dname)                          /* open device driver */
69   char  *dname;
70   {
71 <        extern char  *progname;
72 <        char  *devargv[3];
71 >        extern char  *progname, *octname;
72 >        char  *id;
73          register int  i;
74 +
75 +        id = octname!=NULL ? octname : progname;
76                                                  /* check device table */
77          for (i = 0; devtable[i].name; i++)
78                  if (!strcmp(dname, devtable[i].name))
79 <                        if ((dev = (*devtable[i].init)(progname)) == NULL) {
79 >                        if ((dev = (*devtable[i].init)(dname, id)) == NULL) {
80                                  sprintf(errmsg, "cannot initialize %s", dname);
81                                  error(USER, errmsg);
82                          } else
83                                  return;
84                                                  /* not there, try exec */
85 <        devargv[0] = dname;
82 <        devargv[1] = progname;
83 <        devargv[2] = NULL;
84 <        if ((dev = comm_init(devargv)) == NULL) {
85 >        if ((dev = comm_init(dname, id)) == NULL) {
86                  sprintf(errmsg, "cannot start device \"%s\"", dname);
87                  error(USER, errmsg);
88          }

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