53 |
|
char *khalffn = "klems_half.cal"; |
54 |
|
char *kquarterfn = "klems_quarter.cal"; |
55 |
|
|
56 |
< |
#define PARAMSTART "@rfluxmtx" /* string indicating parameters */ |
56 |
> |
/* string indicating parameters */ |
57 |
> |
const char PARAMSTART[] = "@rfluxmtx"; |
58 |
|
|
59 |
|
/* surface type IDs */ |
60 |
|
#define ST_NONE 0 |
67 |
|
void *priv; /* private data (malloc'ed) */ |
68 |
|
char sname[32]; /* surface name */ |
69 |
|
FVECT snrm; /* surface normal */ |
70 |
< |
double area; /* surface area (or solid angle) */ |
70 |
> |
double area; /* surface area / proj. solid angle */ |
71 |
|
short styp; /* surface type */ |
72 |
|
short nfargs; /* number of real arguments */ |
73 |
|
double farg[1]; /* real values (extends struct) */ |
96 |
|
|
97 |
|
PARAMS curparams; |
98 |
|
char curmod[128]; |
99 |
+ |
char newparams[1024]; |
100 |
|
|
101 |
|
typedef int SURFSAMP(FVECT, SURF *, double); |
102 |
|
|
110 |
|
static void |
111 |
|
clear_params(PARAMS *p, int reset_only) |
112 |
|
{ |
111 |
– |
curmod[0] = '\0'; |
113 |
|
while (p->slist != NULL) { |
114 |
|
SURF *sdel = p->slist; |
115 |
|
p->slist = sdel->next; |
124 |
|
p->outfn = NULL; |
125 |
|
return; |
126 |
|
} |
127 |
< |
memset(p, 0, sizeof(curparams)); |
127 |
> |
memset(p, 0, sizeof(PARAMS)); |
128 |
|
} |
129 |
|
|
130 |
|
/* Get surface type from name */ |
309 |
|
|
310 |
|
/* Parse program parameters (directives) */ |
311 |
|
static int |
312 |
< |
parse_params(char *pargs) |
312 |
> |
parse_params(PARAMS *p, char *pargs) |
313 |
|
{ |
314 |
|
char *cp = pargs; |
315 |
|
int nparams = 0; |
320 |
|
case 'h': |
321 |
|
if (*cp++ != '=') |
322 |
|
break; |
323 |
< |
curparams.hsiz = 0; |
323 |
> |
p->hsiz = 0; |
324 |
|
i = 0; |
325 |
|
while (*cp && !isspace(*cp)) { |
326 |
|
if (isdigit(*cp)) |
327 |
< |
curparams.hsiz = 10*curparams.hsiz + |
328 |
< |
*cp - '0'; |
328 |
< |
curparams.hemis[i++] = *cp++; |
327 |
> |
p->hsiz = 10*p->hsiz + *cp - '0'; |
328 |
> |
p->hemis[i++] = *cp++; |
329 |
|
} |
330 |
|
if (!i) |
331 |
|
break; |
332 |
< |
curparams.hemis[i] = '\0'; |
333 |
< |
curparams.hsiz += !curparams.hsiz; |
332 |
> |
p->hemis[i] = '\0'; |
333 |
> |
p->hsiz += !p->hsiz; |
334 |
|
++nparams; |
335 |
|
continue; |
336 |
|
case 'u': |
337 |
|
if (*cp++ != '=') |
338 |
|
break; |
339 |
< |
if (!get_direction(curparams.vup, cp)) |
339 |
> |
if (!get_direction(p->vup, cp)) |
340 |
|
break; |
341 |
|
++nparams; |
342 |
|
continue; |
349 |
|
if (!i) |
350 |
|
break; |
351 |
|
*--cp = '\0'; |
352 |
< |
curparams.outfn = savqstr(cp-i); |
352 |
> |
p->outfn = savqstr(cp-i); |
353 |
|
*cp++ = ' '; |
354 |
|
++nparams; |
355 |
|
continue; |
372 |
|
static void |
373 |
|
finish_receiver(void) |
374 |
|
{ |
375 |
+ |
char sbuf[256]; |
376 |
+ |
int uniform = 0; |
377 |
|
char *calfn = NULL; |
378 |
+ |
char *params = NULL; |
379 |
|
char *binv = NULL; |
380 |
|
char *binf = NULL; |
381 |
|
char *nbins = NULL; |
379 |
– |
char sbuf[256]; |
382 |
|
|
383 |
|
if (!curmod[0]) { |
384 |
|
fputs(progname, stderr); |
390 |
|
rcarg[nrcargs++] = "-o"; |
391 |
|
rcarg[nrcargs++] = curparams.outfn; |
392 |
|
} |
393 |
< |
/* add bin specification */ |
393 |
> |
/* check arguments */ |
394 |
|
if (!curparams.hemis[0]) { |
395 |
|
fputs(progname, stderr); |
396 |
|
fputs(": missing hemisphere sampling type!\n", stderr); |
406 |
|
curparams.vup[2] = 1; |
407 |
|
else |
408 |
|
curparams.vup[1] = 1; |
409 |
+ |
/* determine sample type/bin */ |
410 |
|
if (tolower(curparams.hemis[0]) == 'u' | curparams.hemis[0] == '1') { |
411 |
< |
binv = "0"; |
411 |
> |
binv = "0"; /* uniform sampling -- one bin */ |
412 |
> |
uniform = 1; |
413 |
|
} else if (tolower(curparams.hemis[0]) == 's' && |
414 |
|
tolower(curparams.hemis[1]) == 'c') { |
415 |
|
/* assign parameters */ |
418 |
|
fputs(": missing size for Shirley-Chiu sampling!\n", stderr); |
419 |
|
exit(1); |
420 |
|
} |
421 |
+ |
calfn = shirchiufn; shirchiufn = NULL; |
422 |
|
sprintf(sbuf, "SCdim=%d,Nx=%g,Ny=%g,Nz=%g,Ux=%g,Uy=%g,Uz=%g", |
423 |
|
curparams.hsiz, |
424 |
|
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2], |
425 |
|
curparams.vup[0], curparams.vup[1], curparams.vup[2]); |
426 |
< |
CHECKARGC(2); |
422 |
< |
rcarg[nrcargs++] = "-p"; |
423 |
< |
rcarg[nrcargs++] = savqstr(sbuf); |
424 |
< |
calfn = shirchiufn; shirchiufn = NULL; |
426 |
> |
params = savqstr(sbuf); |
427 |
|
binv = "scbin"; |
428 |
|
nbins = "SCdim*SCdim"; |
429 |
|
} else if ((tolower(curparams.hemis[0]) == 'r') | |
430 |
|
(tolower(curparams.hemis[0]) == 't')) { |
431 |
|
calfn = reinhfn; reinhfn = NULL; |
432 |
< |
/* XXX Need to set number of divisions */ |
433 |
< |
binf = "rhbin"; |
434 |
< |
nbins = "Nrhbins"; |
432 |
> |
sprintf(sbuf, "MF=%d,Nx=%g,Ny=%g,Nz=%g,Ux=%g,Uy=%g,Uz=%g", |
433 |
> |
curparams.hsiz, |
434 |
> |
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2], |
435 |
> |
curparams.vup[0], curparams.vup[1], curparams.vup[2]); |
436 |
> |
params = savqstr(sbuf); |
437 |
> |
binv = "rbin"; |
438 |
> |
nbins = "Nrbins"; |
439 |
|
} else if (tolower(curparams.hemis[0]) == 'k' && |
440 |
|
!curparams.hemis[1] | |
441 |
|
(tolower(curparams.hemis[1]) == 'f') | |
460 |
|
progname, curparams.hemis); |
461 |
|
exit(1); |
462 |
|
} |
463 |
+ |
if (!uniform & (curparams.slist->styp == ST_SOURCE)) { |
464 |
+ |
SURF *sp; |
465 |
+ |
for (sp = curparams.slist; sp != NULL; sp = sp->next) |
466 |
+ |
if (fabs(sp->area - PI) > 1e-3) { |
467 |
+ |
fprintf(stderr, "%s: source '%s' must be 180-degrees\n", |
468 |
+ |
progname, sp->sname); |
469 |
+ |
exit(1); |
470 |
+ |
} |
471 |
+ |
} |
472 |
|
if (calfn != NULL) { /* add cal file if needed */ |
473 |
|
CHECKARGC(2); |
474 |
|
rcarg[nrcargs++] = "-f"; |
475 |
|
rcarg[nrcargs++] = calfn; |
476 |
|
} |
477 |
+ |
if (params != NULL) { /* parameters _after_ cal file */ |
478 |
+ |
CHECKARGC(2); |
479 |
+ |
rcarg[nrcargs++] = "-p"; |
480 |
+ |
rcarg[nrcargs++] = params; |
481 |
+ |
} |
482 |
|
if (nbins != NULL) { /* add #bins if set */ |
483 |
|
CHECKARGC(2); |
484 |
|
rcarg[nrcargs++] = "-bn"; |
485 |
|
rcarg[nrcargs++] = nbins; |
486 |
|
} |
487 |
< |
if (binfv != NULL) { |
487 |
> |
if (binv != NULL) { |
488 |
|
CHECKARGC(2); /* assign bin variable */ |
489 |
|
rcarg[nrcargs++] = "-b"; |
490 |
|
rcarg[nrcargs++] = binv; |
491 |
|
} else if (binf != NULL) { |
492 |
|
CHECKARGC(2); /* assign bin function */ |
493 |
+ |
rcarg[nrcargs++] = "-b"; |
494 |
|
sprintf(sbuf, "%s(%g,%g,%g,%g,%g,%g)", binf, |
495 |
|
curparams.nrm[0], curparams.nrm[1], curparams.nrm[2], |
496 |
|
curparams.vup[0], curparams.vup[1], curparams.vup[2]); |
476 |
– |
rcarg[nrcargs++] = "-b"; |
497 |
|
rcarg[nrcargs++] = savqstr(sbuf); |
498 |
|
} |
499 |
|
CHECKARGC(2); /* modifier argument goes last */ |
553 |
|
sp->priv = (void *)uva; |
554 |
|
} |
555 |
|
SDmultiSamp(samp2, 2, x); |
556 |
< |
samp2[0] = sp->farg[6] + sqrt(samp2[0]*sp->area*(1./PI)); |
556 |
> |
samp2[0] = sqrt(samp2[0]*sp->area*(1./PI) + sp->farg[6]*sp->farg[6]); |
557 |
|
samp2[1] *= 2.*PI; |
558 |
|
uv[0] = samp2[0]*tcos(samp2[1]); |
559 |
|
uv[1] = samp2[0]*tsin(samp2[1]); |
606 |
|
} |
607 |
|
ptp->ntris = 0; |
608 |
|
v2l->p = (void *)ptp; |
609 |
< |
if (!polyTriangulate(v2l, add_triangle)) |
609 |
> |
if (!polyTriangulate(v2l, add_triangle)) { |
610 |
> |
fprintf(stderr, |
611 |
> |
"%s: cannot triangulate polygon '%s'\n", |
612 |
> |
progname, sp->sname); |
613 |
|
return(0); |
614 |
+ |
} |
615 |
|
for (i = ptp->ntris; i--; ) { |
616 |
|
int a = ptp->tri[i].vndx[0]; |
617 |
|
int b = ptp->tri[i].vndx[1]; |
660 |
|
/* special case for lone surface */ |
661 |
|
if (p->nsurfs == 1) { |
662 |
|
sp = p->slist; |
663 |
< |
if (DOT(sp->snrm, rdir) >= -FTINY) |
664 |
< |
return(0); /* behind surface! */ |
663 |
> |
if (DOT(sp->snrm, rdir) >= -FTINY) { |
664 |
> |
fprintf(stderr, |
665 |
> |
"%s: internal - sample behind sender '%s'\n", |
666 |
> |
progname, sp->sname); |
667 |
> |
return(0); |
668 |
> |
} |
669 |
|
return((*orig_in_surf[sp->styp])(orig, sp, x)); |
670 |
|
} |
671 |
|
if (p->nsurfs > nall) { /* (re)allocate surface area cache */ |
679 |
|
projsa[i] = -DOT(sp->snrm, rdir) * sp->area; |
680 |
|
tarea += projsa[i] *= (double)(projsa[i] > FTINY); |
681 |
|
} |
682 |
< |
if (tarea <= FTINY) /* wrong side of sender? */ |
682 |
> |
if (tarea <= FTINY) { /* wrong side of sender? */ |
683 |
> |
fputs(progname, stderr); |
684 |
> |
fputs(": internal - sample behind all sender elements!\n", |
685 |
> |
stderr); |
686 |
|
return(0); |
687 |
+ |
} |
688 |
|
tarea *= x; /* get surface from list */ |
689 |
|
for (i = 0, sp = p->slist; tarea > projsa[i]; sp = sp->next) |
690 |
|
tarea -= projsa[i++]; |
757 |
|
#define T_NALT 7 |
758 |
|
static const int tnaz[T_NALT] = {30, 30, 24, 24, 18, 12, 6}; |
759 |
|
const int RowMax = T_NALT*p->hsiz + 1; |
760 |
< |
const double RAH = (.25*PI)/(RowMax-.5); |
760 |
> |
const double RAH = (.5*PI)/(RowMax-.5); |
761 |
|
#define rnaz(r) (r >= RowMax-1 ? 1 : p->hsiz*tnaz[r/p->hsiz]) |
762 |
|
int n = sampcnt; |
763 |
|
int row, col; |
782 |
|
SDmultiSamp(samp3, 3, (n+frandom())/sampcnt); |
783 |
|
alt = (row+samp3[1])*RAH; |
784 |
|
azi = (2.*PI)*(col+samp3[2]-.5)/rnaz(row); |
785 |
< |
duvw[2] = tcos(alt); /* measured from horizon */ |
785 |
> |
duvw[2] = cos(alt); /* measured from horizon */ |
786 |
|
duvw[0] = tcos(azi)*duvw[2]; |
787 |
|
duvw[1] = tsin(azi)*duvw[2]; |
788 |
|
duvw[2] = sqrt(1. - duvw[2]*duvw[2]); |
1003 |
|
VCOPY(snew->snrm, snew->farg); |
1004 |
|
if (normalize(snew->snrm) == 0) |
1005 |
|
goto badnorm; |
1006 |
< |
snew->area = 2.*PI*(1. - cos((PI/180./2.)*snew->farg[3])); |
1006 |
> |
snew->area = sin((PI/180./2.)*snew->farg[3]); |
1007 |
> |
snew->area *= PI*snew->area; |
1008 |
|
break; |
1009 |
|
} |
1010 |
|
if (snew->area <= FTINY) { |
1019 |
|
curparams.nsurfs++; |
1020 |
|
return; |
1021 |
|
badcount: |
1022 |
< |
fprintf(stderr, "%s: bad argument count for surface '%s'\n", |
1022 |
> |
fprintf(stderr, "%s: bad argument count for surface element '%s'\n", |
1023 |
|
progname, oname); |
1024 |
|
exit(1); |
1025 |
|
badnorm: |
1026 |
< |
fprintf(stderr, "%s: bad orientation for surface '%s'\n", |
1026 |
> |
fprintf(stderr, "%s: bad orientation for surface element '%s'\n", |
1027 |
|
progname, oname); |
1028 |
|
exit(1); |
1029 |
|
} |
1055 |
|
finish_receiver(); |
1056 |
|
clear_params(&curparams, 1); |
1057 |
|
} |
1058 |
+ |
parse_params(&curparams, newparams); |
1059 |
+ |
newparams[0] = '\0'; |
1060 |
|
strcpy(curmod, thismod); |
1061 |
|
} |
1062 |
|
add_surface(st, oname, fp); /* read & store surface */ |
1093 |
|
fputs(": cannot use source as a sender!\n", stderr); |
1094 |
|
return(-1); |
1095 |
|
} |
1096 |
+ |
parse_params(&curparams, newparams); |
1097 |
+ |
newparams[0] = '\0'; |
1098 |
|
add_surface(st, oname, fp); /* read & store surface */ |
1099 |
|
return(0); |
1100 |
|
} |
1138 |
|
continue; |
1139 |
|
} |
1140 |
|
if (c == '#') { /* parameters/comment */ |
1141 |
< |
if (fscanf(fp, "%s", inpbuf) == 1 && |
1141 |
> |
if ((c = getc(fp)) == EOF || ungetc(c,fp) == EOF) |
1142 |
> |
break; |
1143 |
> |
if (!isspace(c) && fscanf(fp, "%s", inpbuf) == 1 && |
1144 |
|
!strcmp(inpbuf, PARAMSTART)) { |
1145 |
|
if (fgets(inpbuf, sizeof(inpbuf), fp) != NULL) |
1146 |
< |
parse_params(inpbuf); |
1146 |
> |
strcat(newparams, inpbuf); |
1147 |
|
continue; |
1148 |
|
} |
1149 |
|
while ((c = getc(fp)) != EOF && c != '\n'); |
1170 |
|
main(int argc, char *argv[]) |
1171 |
|
{ |
1172 |
|
char fmtopt[6] = "-faa"; /* default output is ASCII */ |
1173 |
+ |
char *xrs=NULL, *yrs=NULL, *ldopt=NULL; |
1174 |
|
char *sendfn; |
1175 |
|
char sampcntbuf[32], nsbinbuf[32]; |
1176 |
|
FILE *rcfp; |
1195 |
|
case 'f': |
1196 |
|
case 'd': |
1197 |
|
case 'c': |
1198 |
< |
if (!(fmtopt[4] = argv[a][3])) |
1199 |
< |
fmtopt[4] = argv[a][2]; |
1200 |
< |
fmtopt[3] = argv[a][2]; |
1198 |
> |
if (!(fmtopt[3] = argv[a][3])) |
1199 |
> |
fmtopt[3] = argv[a][2]; |
1200 |
> |
fmtopt[2] = argv[a][2]; |
1201 |
|
na = 0; |
1202 |
|
continue; /* will pass later */ |
1203 |
|
default: |
1204 |
|
goto userr; |
1205 |
|
} |
1206 |
|
break; |
1207 |
+ |
case 'x': /* x-resolution */ |
1208 |
+ |
xrs = argv[++a]; |
1209 |
+ |
na = 0; |
1210 |
+ |
continue; |
1211 |
+ |
case 'y': /* y-resolution */ |
1212 |
+ |
yrs = argv[++a]; |
1213 |
+ |
na = 0; |
1214 |
+ |
continue; |
1215 |
|
case 'c': /* number of samples */ |
1216 |
< |
sampcnt = atoi(argv[a+1]); |
1216 |
> |
sampcnt = atoi(argv[++a]); |
1217 |
|
if (sampcnt <= 0) |
1218 |
|
goto userr; |
1219 |
|
na = 0; /* we re-add this later */ |
1223 |
|
case 'u': |
1224 |
|
case 'i': |
1225 |
|
case 'h': |
1226 |
+ |
case 'r': |
1227 |
|
break; |
1228 |
|
case 'n': /* options with 1 argument */ |
1229 |
|
case 's': |
1234 |
|
if (argv[a][2] != 'v') goto userr; |
1235 |
|
break; |
1236 |
|
case 'l': /* special case */ |
1237 |
< |
if (argv[a][2] == 'd') goto userr; |
1237 |
> |
if (argv[a][2] == 'd') { |
1238 |
> |
ldopt = argv[a]; |
1239 |
> |
na = 0; |
1240 |
> |
continue; |
1241 |
> |
} |
1242 |
|
na = 2; |
1243 |
|
break; |
1244 |
|
case 'd': /* special case */ |
1269 |
|
if (sendfn[0] == '-') { /* user wants pass-through mode? */ |
1270 |
|
if (sendfn[1]) goto userr; |
1271 |
|
sendfn = NULL; |
1272 |
+ |
if (xrs) { |
1273 |
+ |
CHECKARGC(2); |
1274 |
+ |
rcarg[nrcargs++] = "-x"; |
1275 |
+ |
rcarg[nrcargs++] = xrs; |
1276 |
+ |
} |
1277 |
+ |
if (yrs) { |
1278 |
+ |
CHECKARGC(2); |
1279 |
+ |
rcarg[nrcargs++] = "-y"; |
1280 |
+ |
rcarg[nrcargs++] = yrs; |
1281 |
+ |
} |
1282 |
+ |
if (ldopt) { |
1283 |
+ |
CHECKARGC(1); |
1284 |
+ |
rcarg[nrcargs++] = ldopt; |
1285 |
+ |
} |
1286 |
|
if (sampcnt <= 0) sampcnt = 1; |
1287 |
|
} else { /* else FVECT determines input format */ |
1288 |
< |
fmtopt[3] = (sizeof(RREAL)==sizeof(double)) ? 'd' : 'f'; |
1288 |
> |
fmtopt[2] = (sizeof(RREAL)==sizeof(double)) ? 'd' : 'f'; |
1289 |
|
if (sampcnt <= 0) sampcnt = 10000; |
1290 |
|
} |
1291 |
|
sprintf(sampcntbuf, "%d", sampcnt); |
1324 |
|
if (verbose) { |
1325 |
|
fprintf(stderr, "%s: sampling %d directions", progname, nsbins); |
1326 |
|
if (curparams.nsurfs > 1) |
1327 |
< |
fprintf(stderr, " (%d surfaces)\n", curparams.nsurfs); |
1327 |
> |
fprintf(stderr, " (%d elements)\n", curparams.nsurfs); |
1328 |
|
else |
1329 |
|
fputc('\n', stderr); |
1330 |
|
} |
1335 |
|
userr: |
1336 |
|
if (a < argc-2) |
1337 |
|
fprintf(stderr, "%s: unsupported option '%s'", progname, argv[a]); |
1338 |
< |
fprintf(stderr, "Usage: %s [rcontrib options] sender.rad receiver.rad [system.rad ..]\n", |
1338 |
> |
fprintf(stderr, "Usage: %s [-v][rcontrib options] sender.rad receiver.rad [system.rad ..]\n", |
1339 |
|
progname); |
1340 |
|
return(1); |
1341 |
|
} |