| 62 |
|
int ntotal; /* surfaces+subsurfaces */ |
| 63 |
|
IDF_OBJECT *pfirst; /* first matching object */ |
| 64 |
|
IDF_OBJECT *plast; /* last before subsurfaces */ |
| 65 |
+ |
float *area_redu; /* subsurface area per surf. */ |
| 66 |
|
} ZONE; /* a list of collected zone surfaces */ |
| 67 |
|
|
| 68 |
|
ZONE *zone_list = NULL; /* our list of zones */ |
| 99 |
|
znew->next = zone_list; |
| 100 |
|
znew->pfirst = znew->plast = param; |
| 101 |
|
znew->ntotal = znew->nsurf = 1; |
| 102 |
+ |
znew->area_redu = NULL; |
| 103 |
|
return(zone_list = znew); |
| 104 |
|
} |
| 105 |
|
|
| 299 |
|
} |
| 300 |
|
|
| 301 |
|
/* Convert subsurface to Radiance with modifier based on unique name */ |
| 302 |
< |
static int |
| 302 |
> |
static double |
| 303 |
|
rad_subsurface(IDF_OBJECT *param, FILE *ofp) |
| 304 |
|
{ |
| 305 |
|
const char *sname = idf_getfield(param,NAME_FLD)->val; |
| 306 |
|
SURFACE *surf = get_surface(idf_getfield(param,SS_VERT_FLD)); |
| 307 |
+ |
double area; |
| 308 |
|
int i; |
| 309 |
|
|
| 310 |
|
if (surf == NULL) { |
| 311 |
|
fprintf(stderr, "%s: bad subsurface '%s'\n", progname, sname); |
| 312 |
< |
return(0); |
| 312 |
> |
return(-1.); |
| 313 |
|
} |
| 314 |
|
fprintf(ofp, "\nvoid glow '%s'\n0\n0\n4 1 1 1 0\n", sname); |
| 315 |
|
fprintf(ofp, "\n'%s' polygon 'ss_%s'\n0\n0\n%d\n", |
| 319 |
|
VSUM(vert, surf->vl[i], surf->norm, 2.*SURF_EPS); |
| 320 |
|
fprintf(ofp, "\t%.12f %.12f %.12f\n", vert[0], vert[1], vert[2]); |
| 321 |
|
} |
| 322 |
+ |
area = surf->area; |
| 323 |
|
free(surf); |
| 324 |
< |
return(!ferror(ofp)); |
| 324 |
> |
if (ferror(ofp)) |
| 325 |
> |
return(-1.); |
| 326 |
> |
return(area); |
| 327 |
|
} |
| 328 |
|
|
| 329 |
|
/* Start rcontrib process */ |
| 339 |
|
FILE *ofp; |
| 340 |
|
IDF_OBJECT *pptr; |
| 341 |
|
IDF_FIELD *fptr; |
| 342 |
< |
int i, n; |
| 342 |
> |
int i, j, n; |
| 343 |
|
/* start oconv command */ |
| 344 |
|
sprintf(cbuf, "oconv - > '%s'", temp_octree); |
| 345 |
|
if ((ofp = popen(cbuf, "w")) == NULL) { |
| 369 |
|
av[i++] = fptr->val; |
| 370 |
|
} |
| 371 |
|
/* now subsurfaces */ |
| 372 |
+ |
if (zp->ntotal > zp->nsurf) { |
| 373 |
+ |
if (zp->area_redu != NULL) |
| 374 |
+ |
memset(zp->area_redu, 0, sizeof(float)*zp->nsurf); |
| 375 |
+ |
else if ((zp->area_redu = (float *)calloc(zp->nsurf, |
| 376 |
+ |
sizeof(float))) == NULL) |
| 377 |
+ |
return(0); |
| 378 |
+ |
} |
| 379 |
|
for ( ; n < zp->ntotal; n++, pptr = pptr->dnext) { |
| 380 |
+ |
double ssarea; |
| 381 |
+ |
const char *bname; |
| 382 |
+ |
IDF_OBJECT *pptr1; |
| 383 |
|
fptr = idf_getfield(pptr,NAME_FLD); |
| 384 |
|
if (fptr == NULL || !fptr->val[0]) { |
| 385 |
|
fputs(progname, stderr); |
| 386 |
|
fputs(": missing name for subsurface object\n", stderr); |
| 387 |
|
return(0); |
| 388 |
|
} |
| 389 |
< |
if (!rad_subsurface(pptr, ofp)) /* add surface to octree */ |
| 389 |
> |
/* add subsurface to octree */ |
| 390 |
> |
if ((ssarea = rad_subsurface(pptr, ofp)) < 0) |
| 391 |
|
return(0); |
| 392 |
+ |
/* mark area for subtraction */ |
| 393 |
+ |
bname = idf_getfield(pptr,SS_BASE_FLD)->val; |
| 394 |
+ |
for (j = 0, pptr1 = zp->pfirst; |
| 395 |
+ |
j < zp->nsurf; j++, pptr1 = pptr1->dnext) |
| 396 |
+ |
if (!strcmp(idf_getfield(pptr1,NAME_FLD)->val, bname)) { |
| 397 |
+ |
zp->area_redu[j] += ssarea; |
| 398 |
+ |
break; |
| 399 |
+ |
} |
| 400 |
|
av[i++] = "-m"; |
| 401 |
|
av[i++] = fptr->val; |
| 402 |
|
} |
| 517 |
|
} |
| 518 |
|
|
| 519 |
|
/* Sample the given surface */ |
| 520 |
< |
static int |
| 520 |
> |
static double |
| 521 |
|
sample_surface(IDF_OBJECT *param, int wd) |
| 522 |
|
{ |
| 523 |
|
POLYSAMP psamp; |
| 524 |
+ |
double area; |
| 525 |
|
int nv; |
| 526 |
|
Vert2_list *vlist2; |
| 527 |
|
/* set up our polygon sampler */ |
| 529 |
|
fprintf(stderr, "%s: bad polygon %s '%s'\n", |
| 530 |
|
progname, param->pname, |
| 531 |
|
idf_getfield(param,NAME_FLD)->val); |
| 532 |
< |
return(0); |
| 532 |
> |
return(-1.); |
| 533 |
|
} |
| 534 |
|
psamp.samp_left = nsamps; /* assign samples & destination */ |
| 535 |
|
psamp.wd = wd; |
| 536 |
|
/* hack for subsurface sampling */ |
| 537 |
|
psamp.poff += 2.*SURF_EPS * !strcmp(param->pname, SUBSURF_PNAME); |
| 538 |
+ |
|
| 539 |
+ |
area = psamp.area_left; /* remember starting surface area */ |
| 540 |
|
/* sample each subtriangle */ |
| 541 |
|
if (!polyTriangulate(vlist2, &sample_triangle)) |
| 542 |
< |
return(0); |
| 542 |
> |
return(-1.); |
| 543 |
|
polyFree(vlist2); /* clean up and return */ |
| 544 |
< |
return(1); |
| 544 |
> |
return(area); |
| 545 |
|
} |
| 546 |
|
|
| 547 |
|
/* Compute User View Factors using open rcontrib process */ |
| 573 |
|
/* UVFs from each surface */ |
| 574 |
|
for (n = 0, pptr = zp->pfirst; n < zp->ntotal; n++, pptr = pptr->dnext) { |
| 575 |
|
double vfsum = 0; |
| 576 |
+ |
double adj_factor; |
| 577 |
|
/* send samples to rcontrib */ |
| 578 |
< |
if (!sample_surface(pptr, pd->w)) |
| 578 |
> |
if ((adj_factor = sample_surface(pptr, pd->w)) < 0) |
| 579 |
|
return(0); |
| 580 |
+ |
if (zp->area_redu == NULL) |
| 581 |
+ |
adj_factor = 1.; |
| 582 |
+ |
else /* comp. for subsurface area */ |
| 583 |
+ |
adj_factor /= adj_factor - zp->area_redu[n]; |
| 584 |
|
/* read results */ |
| 585 |
|
if (readbuf(pd->r, (char *)uvfa, sizeof(float)*3*zp->ntotal) != |
| 586 |
|
sizeof(float)*3*zp->ntotal) { |
| 591 |
|
/* append UVF fields */ |
| 592 |
|
for (m = 0, pptr1 = zp->pfirst; |
| 593 |
|
m < zp->ntotal; m++, pptr1 = pptr1->dnext) { |
| 594 |
< |
vfsum += uvfa[3*m + 1]; |
| 595 |
< |
if (pptr1 == pptr && uvfa[3*m + 1] > .001) |
| 594 |
> |
const double uvf = uvfa[3*m + 1] * adj_factor; |
| 595 |
> |
vfsum += uvf; |
| 596 |
> |
if (pptr1 == pptr && uvf > .001) |
| 597 |
|
fprintf(stderr, |
| 598 |
|
"%s: warning - non-zero self-VF (%.1f%%) for surface '%s'\n", |
| 599 |
< |
progname, 100.*uvfa[3*m + 1], |
| 599 |
> |
progname, 100.*uvf, |
| 600 |
|
idf_getfield(pptr,NAME_FLD)->val); |
| 601 |
< |
sprintf(uvfbuf, "%.4f", uvfa[3*m + 1]); |
| 601 |
> |
sprintf(uvfbuf, "%.4f", uvf); |
| 602 |
|
if (!idf_addfield(pout, |
| 603 |
|
idf_getfield(pptr,NAME_FLD)->val, NULL) || |
| 604 |
|
!idf_addfield(pout, |