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root/radiance/ray/src/rt/rview.c
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Comparing ray/src/rt/rview.c (file contents):
Revision 2.7 by greg, Wed Sep 9 22:19:42 1992 UTC vs.
Revision 2.8 by greg, Mon Sep 21 12:08:00 1992 UTC

# Line 26 | Line 26 | int  ndims = 0;                                /* number of sampling dimensions */
26   int  samplendx = 0;                     /* index for this sample */
27  
28   int  psample = 8;                       /* pixel sample size */
29 < double  maxdiff = .15;                  /* max. sample difference */
29 > double  maxdiff = .15;                  /* max. sample difference */
30  
31 < double  exposure = 1.0;                 /* exposure for scene */
31 > double  exposure = 1.0;                 /* exposure for scene */
32  
33 < double  dstrsrc = 0.0;                  /* square source distribution */
34 < double  shadthresh = .1;                /* shadow threshold */
35 < double  shadcert = .25;                 /* shadow certainty */
33 > double  dstrsrc = 0.0;                  /* square source distribution */
34 > double  shadthresh = .1;                /* shadow threshold */
35 > double  shadcert = .25;                 /* shadow certainty */
36   int  directrelay = 0;                   /* number of source relays */
37   int  vspretest = 128;                   /* virtual source pretest density */
38   int  directinvis = 0;                   /* sources invisible? */
39 < double  srcsizerat = 0.;                /* maximum ratio source size/dist. */
39 > double  srcsizerat = 0.;                /* maximum ratio source size/dist. */
40  
41 < double  specthresh = .3;                /* specular sampling threshold */
42 < double  specjitter = 1.;                /* specular sampling jitter */
41 > double  specthresh = .3;                /* specular sampling threshold */
42 > double  specjitter = 1.;                /* specular sampling jitter */
43  
44   int  maxdepth = 4;                      /* maximum recursion depth */
45 < double  minweight = 1e-2;               /* minimum ray weight */
45 > double  minweight = 1e-2;               /* minimum ray weight */
46  
47   COLOR  ambval = BLKCOLOR;               /* ambient value */
48 < double  ambacc = 0.2;                   /* ambient accuracy */
48 > double  ambacc = 0.2;                   /* ambient accuracy */
49   int  ambres = 8;                        /* ambient resolution */
50   int  ambdiv = 32;                       /* ambient divisions */
51   int  ambssamp = 0;                      /* ambient super-samples */
# Line 68 | Line 68 | static char  *reserve_mem = NULL;      /* pre-allocated res
68  
69   #define RESERVE_AMT     32768           /* amount of memory to reserve */
70  
71 < #define  CTRL(c)        ((c)-'@')
71 > #define  CTRL(c)        ((c)-'@')
72  
73  
74   quit(code)                      /* quit program */
# Line 95 | Line 95 | char  *dname;
95                                  error(USER, errmsg);
96                          } else
97                                  return;
98 + #ifndef NIX                                                
99                                                  /* not there, try exec */
100          if ((dev = comm_init(dname, id)) == NULL) {
101                  sprintf(errmsg, "cannot start device \"%s\"", dname);
102                  error(USER, errmsg);
103          }
104 + #endif
105   }
106  
107  
# Line 172 | Line 174 | freereserves()                 /* free memory reserves */
174   command(prompt)                 /* get/execute command */
175   char  *prompt;
176   {
177 < #define  badcom(s)      strncmp(s, inpbuf, args-inpbuf-1)
177 > #define  badcom(s)      strncmp(s, inpbuf, args-inpbuf-1)
178          char  inpbuf[256];
179          char  *args;
180   again:
# Line 225 | Line 227 | again:
227                  break;
228          case 'm':                               /* move camera */
229                  if (badcom("move"))
230 < #ifdef  MSTATS
230 > #ifdef  MSTATS
231                  {
232                          if (badcom("memory"))
233                                  goto commerr;
# Line 265 | Line 267 | again:
267                  quit(0);
268          case CTRL('C'):                         /* interrupt */
269                  goto again;
270 < #ifdef  SIGTSTP
270 > #ifdef  SIGTSTP
271          case CTRL('Z'):                         /* stop */
272                  devclose();
273                  kill(0, SIGTSTP);
# Line 286 | Line 288 | commerr:
288                  error(COMMAND, errmsg);
289                  break;
290          }
291 < #undef  badcom
291 > #undef  badcom
292   }
293  
294  
# Line 296 | Line 298 | rsample()                      /* sample the image */
298          RECT  r;
299          PNODE  *p;
300          register RECT  *rl;
301 <        register PNODE  **pl;
301 >        register PNODE  **pl;
302          register int  x;
303          /*
304           *     We initialize the bottom row in the image at our current
305 <         * resolution.  During sampling, we check super-pixels to the
305 >         * resolution.  During sampling, we check super-pixels to the
306           * right and above by calling bigdiff().  If there is a significant
307           * difference, we subsample the super-pixels.  The testing process
308           * includes initialization of the next row.
# Line 380 | Line 382 | escape:
382  
383   int
384   refine(p, xmin, ymin, xmax, ymax, pd)           /* refine a node */
385 < register PNODE  *p;
385 > register PNODE  *p;
386   int  xmin, ymin, xmax, ymax;
387   int  pd;
388   {

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