| 71 |
|
print_rdefaults(); |
| 72 |
|
} |
| 73 |
|
|
| 74 |
+ |
|
| 75 |
+ |
void |
| 76 |
+ |
quit(ec) /* make sure exit is called */ |
| 77 |
+ |
int ec; |
| 78 |
+ |
{ |
| 79 |
+ |
if (ray_pnprocs > 0) /* close children if any */ |
| 80 |
+ |
ray_pclose(0); |
| 81 |
+ |
exit(ec); |
| 82 |
+ |
} |
| 83 |
+ |
|
| 84 |
+ |
|
| 85 |
|
int |
| 86 |
|
main( |
| 87 |
|
int argc, |
| 95 |
|
progname = argv[0]; |
| 96 |
|
/* set up rendering defaults */ |
| 97 |
|
rand_samp = 1; |
| 98 |
< |
dstrsrc = 0.5; |
| 98 |
> |
dstrsrc = 0.65; |
| 99 |
|
srcsizerat = 0.1; |
| 100 |
|
directrelay = 3; |
| 101 |
|
ambounce = 1; |
| 114 |
|
if (!ray_pnprocs) { |
| 115 |
|
over_options(); |
| 116 |
|
if (doheader) { /* print header */ |
| 117 |
+ |
newheader("RADIANCE", stdout); |
| 118 |
|
printargs(argc, argv, stdout); |
| 119 |
|
fputformat("ascii", stdout); |
| 120 |
|
putchar('\n'); |
| 121 |
|
} |
| 122 |
|
/* start process(es) */ |
| 123 |
< |
ray_pinit(argv[argc-1], nprocs); |
| 123 |
> |
if (strcmp(argv[argc-1], ".")) |
| 124 |
> |
ray_pinit(argv[argc-1], nprocs); |
| 125 |
|
} |
| 126 |
|
comp_sensor(argv[i]); /* process a sensor file */ |
| 127 |
|
continue; |
| 195 |
|
} |
| 196 |
|
i += rval; |
| 197 |
|
} |
| 198 |
< |
if (!ray_pnprocs) |
| 198 |
> |
if (sensor == NULL) |
| 199 |
|
error(USER, i<argc ? "missing sensor file" : "missing octree"); |
| 200 |
|
quit(0); |
| 201 |
|
} |
| 462 |
|
return(s_val(t,p)); |
| 463 |
|
} |
| 464 |
|
|
| 465 |
+ |
/* Print origin and direction */ |
| 466 |
+ |
static void |
| 467 |
+ |
print_ray( |
| 468 |
+ |
FVECT rorg, |
| 469 |
+ |
FVECT rdir |
| 470 |
+ |
) |
| 471 |
+ |
{ |
| 472 |
+ |
printf("%.6g %.6g %.6g %.8f %.8f %.8f\n", |
| 473 |
+ |
rorg[0], rorg[1], rorg[2], |
| 474 |
+ |
rdir[0], rdir[1], rdir[2]); |
| 475 |
+ |
} |
| 476 |
+ |
|
| 477 |
|
/* Compute sensor output */ |
| 478 |
|
static void |
| 479 |
|
comp_sensor( |
| 486 |
|
int nt, np; |
| 487 |
|
COLOR vsum; |
| 488 |
|
RAY rr; |
| 489 |
+ |
double sf; |
| 490 |
|
int i, j; |
| 491 |
|
/* set view */ |
| 492 |
|
ourview.type = VT_ANG; |
| 497 |
|
error(USER, err); |
| 498 |
|
/* assign probability table */ |
| 499 |
|
init_ptable(sfile); |
| 500 |
< |
/* do Monte Carlo sampling */ |
| 500 |
> |
/* stratified MC sampling */ |
| 501 |
|
setcolor(vsum, .0f, .0f, .0f); |
| 502 |
|
nt = (int)(sqrt((double)nsamps*ntheta/nphi) + .5); |
| 503 |
|
np = nsamps/nt; |
| 504 |
+ |
sf = gscale/nsamps; |
| 505 |
|
for (i = 0; i < nt; i++) |
| 506 |
|
for (j = 0; j < np; j++) { |
| 507 |
|
VCOPY(rr.rorg, ourview.vp); |
| 508 |
|
get_direc(rr.rdir, (i+frandom())/nt, (j+frandom())/np); |
| 509 |
|
if (ourview.vfore > FTINY) |
| 510 |
|
VSUM(rr.rorg, rr.rorg, rr.rdir, ourview.vfore); |
| 511 |
+ |
if (!ray_pnprocs) { |
| 512 |
+ |
print_ray(rr.rorg, rr.rdir); |
| 513 |
+ |
continue; |
| 514 |
+ |
} |
| 515 |
|
rr.rmax = .0; |
| 516 |
|
rayorigin(&rr, PRIMARY, NULL, NULL); |
| 517 |
+ |
scalecolor(rr.rcoef, sf); |
| 518 |
|
if (ray_pqueue(&rr) == 1) |
| 519 |
|
addcolor(vsum, rr.rcol); |
| 520 |
|
} |
| 521 |
< |
/* finish MC calculation */ |
| 522 |
< |
while (ray_presult(&rr, 0) > 0) |
| 523 |
< |
addcolor(vsum, rr.rcol); |
| 524 |
< |
scalecolor(vsum, gscale/(nt*np)); |
| 525 |
< |
/* compute direct component */ |
| 521 |
> |
/* remaining rays pure MC */ |
| 522 |
> |
for (i = nsamps - nt*np; i-- > 0; ) { |
| 523 |
> |
VCOPY(rr.rorg, ourview.vp); |
| 524 |
> |
get_direc(rr.rdir, frandom(), frandom()); |
| 525 |
> |
if (ourview.vfore > FTINY) |
| 526 |
> |
VSUM(rr.rorg, rr.rorg, rr.rdir, ourview.vfore); |
| 527 |
> |
if (!ray_pnprocs) { |
| 528 |
> |
print_ray(rr.rorg, rr.rdir); |
| 529 |
> |
continue; |
| 530 |
> |
} |
| 531 |
> |
rr.rmax = .0; |
| 532 |
> |
rayorigin(&rr, PRIMARY, NULL, NULL); |
| 533 |
> |
scalecolor(rr.rcoef, sf); |
| 534 |
> |
if (ray_pqueue(&rr) == 1) |
| 535 |
> |
addcolor(vsum, rr.rcol); |
| 536 |
> |
} |
| 537 |
> |
if (!ray_pnprocs) /* just printing rays */ |
| 538 |
> |
return; |
| 539 |
> |
/* scale partial result */ |
| 540 |
> |
scalecolor(vsum, sf); |
| 541 |
> |
/* add direct component */ |
| 542 |
|
for (i = ndirs; i-- > 0; ) { |
| 543 |
|
SRCINDEX si; |
| 544 |
|
initsrcindex(&si); |
| 545 |
|
while (srcray(&rr, NULL, &si)) { |
| 546 |
< |
double d = sens_val(rr.rdir); |
| 547 |
< |
if (d <= FTINY) |
| 546 |
> |
sf = sens_val(rr.rdir); |
| 547 |
> |
if (sf <= FTINY) |
| 548 |
|
continue; |
| 549 |
< |
d *= si.dom/ndirs; |
| 550 |
< |
scalecolor(rr.rcoef, d); |
| 549 |
> |
sf *= si.dom/ndirs; |
| 550 |
> |
scalecolor(rr.rcoef, sf); |
| 551 |
|
if (ray_pqueue(&rr) == 1) { |
| 552 |
|
multcolor(rr.rcol, rr.rcoef); |
| 553 |
|
addcolor(vsum, rr.rcol); |
| 554 |
|
} |
| 555 |
|
} |
| 556 |
|
} |
| 557 |
< |
/* finish direct calculation */ |
| 557 |
> |
/* finish our calculation */ |
| 558 |
|
while (ray_presult(&rr, 0) > 0) { |
| 559 |
|
multcolor(rr.rcol, rr.rcoef); |
| 560 |
|
addcolor(vsum, rr.rcol); |
