25 |
|
|
26 |
|
int do_irrad = 0; /* compute irradiance? */ |
27 |
|
|
28 |
< |
int rand_samp = 0; /* pure Monte Carlo sampling? */ |
28 |
> |
int rand_samp = 1; /* pure Monte Carlo sampling? */ |
29 |
|
|
30 |
|
double dstrsrc = 0.0; /* square source distribution */ |
31 |
|
double shadthresh = .03; /* shadow threshold */ |
45 |
|
|
46 |
|
int backvis = 1; /* back face visibility */ |
47 |
|
|
48 |
< |
int maxdepth = 8; /* maximum recursion depth */ |
49 |
< |
double minweight = 5e-4; /* minimum ray weight */ |
48 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
49 |
> |
double minweight = 2e-3; /* minimum ray weight */ |
50 |
|
|
51 |
|
char *ambfile = NULL; /* ambient file name */ |
52 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
63 |
|
RNUMBER raysleft; /* number of rays left to trace */ |
64 |
|
long waitflush; /* how long until next flush */ |
65 |
|
|
66 |
< |
int lastray = 0; /* last ray number sent */ |
67 |
< |
int lastdone = 0; /* last ray output */ |
66 |
> |
RNUMBER lastray = 0; /* last ray number sent */ |
67 |
> |
RNUMBER lastdone = 0; /* last ray output */ |
68 |
|
|
69 |
– |
/* Close output stream and free record */ |
70 |
– |
static void |
71 |
– |
closestream(void *p) |
72 |
– |
{ |
73 |
– |
STREAMOUT *sop = (STREAMOUT *)p; |
74 |
– |
int status = 0; |
75 |
– |
if (sop->outpipe) |
76 |
– |
status = pclose(sop->ofp); |
77 |
– |
else if (sop->ofp != stdout) |
78 |
– |
status = fclose(sop->ofp); |
79 |
– |
if (status) |
80 |
– |
error(SYSTEM, "error closing output stream"); |
81 |
– |
free(p); |
82 |
– |
} |
83 |
– |
|
84 |
– |
LUTAB ofiletab = LU_SINIT(free,closestream); /* output file table */ |
85 |
– |
|
86 |
– |
#define OF_MODIFIER 01 |
87 |
– |
#define OF_BIN 02 |
88 |
– |
|
69 |
|
static void mcfree(void *p) { epfree((*(MODCONT *)p).binv); free(p); } |
70 |
|
|
71 |
|
LUTAB modconttab = LU_SINIT(NULL,mcfree); /* modifier lookup table */ |
350 |
|
#endif |
351 |
|
while (getvec(orig) == 0 && getvec(direc) == 0) { |
352 |
|
d = normalize(direc); |
353 |
< |
if ((d == 0.0) & (accumulate != 1)) { |
353 |
> |
if (nchild != -1 && (d == 0.0) & (accumulate != 1)) { |
354 |
|
if (!ignore_warning_given++) |
355 |
|
error(WARNING, |
356 |
|
"dummy ray(s) ignored during accumulation\n"); |
362 |
|
if (d == 0.0) { /* zero ==> flush */ |
363 |
|
if ((yres <= 0) | (xres <= 0)) |
364 |
|
waitflush = 1; /* flush right after */ |
365 |
+ |
account = 1; |
366 |
|
} else { /* else compute */ |
367 |
|
eval_ray(orig, direc, lim_dist ? d : 0.0); |
368 |
|
} |
371 |
|
if (raysleft && !--raysleft) |
372 |
|
break; /* preemptive EOI */ |
373 |
|
} |
374 |
< |
if (accumulate <= 0 || account < accumulate) { |
374 |
> |
if (nchild != -1 && (accumulate <= 0) | (account < accumulate)) { |
375 |
|
if (account < accumulate) { |
376 |
|
error(WARNING, "partial accumulation in final record"); |
377 |
|
accumulate -= account; |