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root/radiance/ray/src/rt/rtmain.c
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Comparing ray/src/rt/rtmain.c (file contents):
Revision 2.31 by greg, Sun Apr 5 15:47:02 2020 UTC vs.
Revision 2.34 by greg, Wed Apr 8 00:57:39 2020 UTC

# Line 37 | Line 37 | int  nproc = 1;                                /* number of processes */
37  
38   extern char  *formstr(int f);           /* string from format */
39   extern int  setrtoutput(void);          /* set output values */
40 +
41   int  inform = 'a';                      /* input format */
42   int  outform = 'a';                     /* output format */
43   char  *outvals = "v";                   /* output specification */
# Line 44 | Line 45 | char  *outvals = "v";                  /* output specification */
45   int  hresolu = 0;                       /* horizontal (scan) size */
46   int  vresolu = 0;                       /* vertical resolution */
47  
48 + extern int  castonly;                   /* only doing ray-casting? */
49 +
50   int  imm_irrad = 0;                     /* compute immediate irradiance? */
51   int  lim_dist = 0;                      /* limit distance? */
52  
# Line 248 | Line 251 | main(int  argc, char  *argv[])
251                          goto badopt;
252                  }
253          }
254 <        if (nproc > 1) {
255 <                if (persist)
253 <                        error(USER, "multiprocessing incompatible with persist file");
254 <                if (!vresolu && hresolu > 0 && hresolu < nproc)
255 <                        error(WARNING, "number of cores should not exceed horizontal resolution");
256 <                if (trace != NULL)
257 <                        error(WARNING, "multiprocessing does not work properly with trace mode");
258 <        }
254 >        if (nproc > 1 && persist)
255 >                error(USER, "multiprocessing incompatible with persist file");
256                                          /* initialize object types */
257          initotypes();
258                                          /* initialize urand */
# Line 328 | Line 325 | main(int  argc, char  *argv[])
325                  fputformat(formstr(outform), stdout);
326                  putchar('\n');
327          }
331 –        
332 –        ray_init_pmap();     /* PMAP: set up & load photon maps */
333 –        
334 –        marksources();                  /* find and mark sources */
328  
329 <        setambient();                   /* initialize ambient calculation */
330 <        
329 >        if (!castonly) {        /* any actual ray traversal to do? */
330 >
331 >                ray_init_pmap();        /* PMAP: set up & load photon maps */
332 >                
333 >                marksources();          /* find and mark sources */
334 >
335 >                setambient();           /* initialize ambient calculation */
336 >        } else
337 >                distantsources();       /* else mark only distant sources */
338   #ifdef  PERSIST
339          if (persist) {
340                  fflush(stdout);

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