10 |
|
* |
11 |
|
*/ |
12 |
|
|
13 |
+ |
#define _USE_MATH_DEFINES |
14 |
|
#include <stdio.h> |
15 |
|
#include <stdlib.h> |
16 |
+ |
#include <string.h> |
17 |
|
#include <math.h> |
18 |
+ |
#include <ctype.h> |
19 |
|
#include "ezxml.h" |
20 |
|
#include "hilbert.h" |
21 |
|
#include "bsdf.h" |
48 |
|
SDError |
49 |
|
SDreportEnglish(SDError ec, FILE *fp) |
50 |
|
{ |
48 |
– |
if (fp == NULL) |
49 |
– |
return ec; |
51 |
|
if (!ec) |
52 |
|
return SDEnone; |
53 |
+ |
if ((ec < SDEnone) | (ec > SDEunknown)) { |
54 |
+ |
SDerrorDetail[0] = '\0'; |
55 |
+ |
ec = SDEunknown; |
56 |
+ |
} |
57 |
+ |
if (fp == NULL) |
58 |
+ |
return ec; |
59 |
|
fputs(SDerrorEnglish[ec], fp); |
60 |
|
if (SDerrorDetail[0]) { |
61 |
|
fputs(": ", fp); |
102 |
|
if ((geom = ezxml_child(wdb, "Thickness")) != NULL) |
103 |
|
sd->dim[2] = atof(ezxml_txt(geom)) * |
104 |
|
to_meters(ezxml_attr(geom, "unit")); |
105 |
< |
if ((sd->dim[0] < .0) | (sd->dim[1] < .0) | (sd->dim[2] < .0)) { |
105 |
> |
if ((sd->dim[0] < 0) | (sd->dim[1] < 0) | (sd->dim[2] < 0)) { |
106 |
|
sprintf(SDerrorDetail, "Negative size in \"%s\"", sd->name); |
107 |
|
return SDEdata; |
108 |
|
} |
109 |
|
if ((geom = ezxml_child(wdb, "Geometry")) == NULL || |
110 |
|
(mgfstr = ezxml_txt(geom)) == NULL) |
111 |
|
return SDEnone; |
112 |
+ |
while (isspace(*mgfstr)) |
113 |
+ |
++mgfstr; |
114 |
+ |
if (!*mgfstr) |
115 |
+ |
return SDEnone; |
116 |
|
if ((fmt = ezxml_attr(geom, "format")) != NULL && |
117 |
|
strcasecmp(fmt, "MGF")) { |
118 |
|
sprintf(SDerrorDetail, |
171 |
|
} |
172 |
|
/* load geometry if present */ |
173 |
|
lastErr = SDloadGeometry(sd, ezxml_child(wtl, "Material")); |
174 |
< |
if (lastErr) |
174 |
> |
if (lastErr) { |
175 |
> |
ezxml_free(fl); |
176 |
|
return lastErr; |
177 |
+ |
} |
178 |
|
/* try loading variable resolution data */ |
179 |
|
lastErr = SDloadTre(sd, wtl); |
180 |
|
/* check our result */ |
181 |
< |
switch (lastErr) { |
169 |
< |
case SDEformat: |
170 |
< |
case SDEdata: |
171 |
< |
case SDEsupport: /* possibly we just tried the wrong format */ |
181 |
> |
if (lastErr == SDEsupport) /* try matrix BSDF if not tree data */ |
182 |
|
lastErr = SDloadMtx(sd, wtl); |
183 |
< |
break; |
174 |
< |
default: /* variable res. OK else serious error */ |
175 |
< |
break; |
176 |
< |
} |
183 |
> |
|
184 |
|
/* done with XML file */ |
185 |
|
ezxml_free(fl); |
186 |
|
|
226 |
|
return df; |
227 |
|
} |
228 |
|
|
229 |
+ |
/* Add component(s) to spectral distribution function */ |
230 |
+ |
SDSpectralDF * |
231 |
+ |
SDaddComponent(SDSpectralDF *odf, int nadd) |
232 |
+ |
{ |
233 |
+ |
SDSpectralDF *df; |
234 |
+ |
|
235 |
+ |
if (odf == NULL) |
236 |
+ |
return SDnewSpectralDF(nadd); |
237 |
+ |
if (nadd <= 0) |
238 |
+ |
return odf; |
239 |
+ |
df = (SDSpectralDF *)realloc(odf, sizeof(SDSpectralDF) + |
240 |
+ |
(odf->ncomp+nadd-1)*sizeof(SDComponent)); |
241 |
+ |
if (df == NULL) { |
242 |
+ |
sprintf(SDerrorDetail, |
243 |
+ |
"Cannot add %d component(s) to spectral DF", nadd); |
244 |
+ |
SDfreeSpectralDF(odf); |
245 |
+ |
return NULL; |
246 |
+ |
} |
247 |
+ |
memset(df->comp+df->ncomp, 0, nadd*sizeof(SDComponent)); |
248 |
+ |
df->ncomp += nadd; |
249 |
+ |
return df; |
250 |
+ |
} |
251 |
+ |
|
252 |
|
/* Free cached cumulative distributions for BSDF component */ |
253 |
|
void |
254 |
|
SDfreeCumulativeCache(SDSpectralDF *df) |
275 |
|
return; |
276 |
|
SDfreeCumulativeCache(df); |
277 |
|
for (n = df->ncomp; n-- > 0; ) |
278 |
< |
(*df->comp[n].func->freeSC)(df->comp[n].dist); |
278 |
> |
if (df->comp[n].dist != NULL) |
279 |
> |
(*df->comp[n].func->freeSC)(df->comp[n].dist); |
280 |
|
free(df); |
281 |
|
} |
282 |
|
|
300 |
|
|
301 |
|
/* Initialize an unused BSDF struct (simply clears to zeroes) */ |
302 |
|
void |
303 |
< |
SDclearBSDF(SDData *sd) |
303 |
> |
SDclearBSDF(SDData *sd, const char *fname) |
304 |
|
{ |
305 |
< |
if (sd != NULL) |
306 |
< |
memset(sd, 0, sizeof(SDData)); |
305 |
> |
if (sd == NULL) |
306 |
> |
return; |
307 |
> |
memset(sd, 0, sizeof(SDData)); |
308 |
> |
if (fname == NULL) |
309 |
> |
return; |
310 |
> |
SDclipName(sd->name, fname); |
311 |
|
} |
312 |
|
|
313 |
|
/* Free data associated with BSDF struct */ |
365 |
|
sdl->next = SDcacheList; |
366 |
|
SDcacheList = sdl; |
367 |
|
|
368 |
< |
sdl->refcnt++; |
368 |
> |
sdl->refcnt = 1; |
369 |
|
return &sdl->bsdf; |
370 |
|
} |
371 |
|
|
409 |
|
for (sdl = SDcacheList; sdl != NULL; sdl = (sdLast=sdl)->next) |
410 |
|
if (&sdl->bsdf == sd) |
411 |
|
break; |
412 |
< |
if (sdl == NULL || --sdl->refcnt) |
412 |
> |
if (sdl == NULL || (sdl->refcnt -= (sdl->refcnt > 0))) |
413 |
|
return; /* missing or still in use */ |
414 |
|
/* keep unreferenced data? */ |
415 |
|
if (SDisLoaded(sd) && SDretainSet) { |
432 |
|
|
433 |
|
/* Sample an individual BSDF component */ |
434 |
|
SDError |
435 |
< |
SDsampComponent(SDValue *sv, FVECT outVec, const FVECT inVec, |
401 |
< |
double randX, SDComponent *sdc) |
435 |
> |
SDsampComponent(SDValue *sv, FVECT ioVec, double randX, SDComponent *sdc) |
436 |
|
{ |
437 |
|
float coef[SDmaxCh]; |
438 |
|
SDError ec; |
439 |
+ |
FVECT inVec; |
440 |
|
const SDCDst *cd; |
441 |
|
double d; |
442 |
|
int n; |
443 |
|
/* check arguments */ |
444 |
< |
if ((sv == NULL) | (outVec == NULL) | (inVec == NULL) | (sdc == NULL)) |
444 |
> |
if ((sv == NULL) | (ioVec == NULL) | (sdc == NULL)) |
445 |
|
return SDEargument; |
446 |
|
/* get cumulative distribution */ |
447 |
+ |
VCOPY(inVec, ioVec); |
448 |
|
cd = (*sdc->func->getCDist)(inVec, sdc); |
449 |
|
if (cd == NULL) |
450 |
|
return SDEmemory; |
451 |
< |
if (cd->cTotal <= 1e-7) { /* anything to sample? */ |
451 |
> |
if (cd->cTotal <= 1e-6) { /* anything to sample? */ |
452 |
|
sv->spec = c_dfcolor; |
453 |
|
sv->cieY = .0; |
454 |
< |
memset(outVec, 0, 3*sizeof(double)); |
454 |
> |
memset(ioVec, 0, 3*sizeof(double)); |
455 |
|
return SDEnone; |
456 |
|
} |
457 |
|
sv->cieY = cd->cTotal; |
458 |
|
/* compute sample direction */ |
459 |
< |
ec = (*sdc->func->sampCDist)(outVec, randX, cd); |
459 |
> |
ec = (*sdc->func->sampCDist)(ioVec, randX, cd); |
460 |
|
if (ec) |
461 |
|
return ec; |
462 |
|
/* get BSDF color */ |
463 |
< |
n = (*sdc->func->getBSDFs)(coef, outVec, inVec, sdc->dist); |
463 |
> |
n = (*sdc->func->getBSDFs)(coef, ioVec, inVec, sdc); |
464 |
|
if (n <= 0) { |
465 |
|
strcpy(SDerrorDetail, "BSDF sample value error"); |
466 |
|
return SDEinternal; |
487 |
|
bitmask_t ndx, coord[MS_MAXDIM]; |
488 |
|
|
489 |
|
while (n > MS_MAXDIM) /* punt for higher dimensions */ |
490 |
< |
t[--n] = rand()*(1./RAND_MAX); |
490 |
> |
t[--n] = rand()*(1./(RAND_MAX+.5)); |
491 |
|
nBits = (8*sizeof(bitmask_t) - 1) / n; |
492 |
|
ndx = randX * (double)((bitmask_t)1 << (nBits*n)); |
493 |
|
/* get coordinate on Hilbert curve */ |
495 |
|
/* convert back to [0,1) range */ |
496 |
|
scale = 1. / (double)((bitmask_t)1 << nBits); |
497 |
|
while (n--) |
498 |
< |
t[n] = scale * ((double)coord[n] + rand()*(1./RAND_MAX)); |
498 |
> |
t[n] = scale * ((double)coord[n] + rand()*(1./(RAND_MAX+.5))); |
499 |
|
} |
500 |
|
|
501 |
|
#undef MS_MAXDIM |
508 |
|
SDmultiSamp(outVec, 2, randX); |
509 |
|
SDsquare2disk(outVec, outVec[0], outVec[1]); |
510 |
|
outVec[2] = 1. - outVec[0]*outVec[0] - outVec[1]*outVec[1]; |
511 |
< |
if (outVec[2] > .0) /* a bit of paranoia */ |
511 |
> |
if (outVec[2] > 0) /* a bit of paranoia */ |
512 |
|
outVec[2] = sqrt(outVec[2]); |
513 |
|
if (!outFront) /* going out back? */ |
514 |
|
outVec[2] = -outVec[2]; |
516 |
|
|
517 |
|
/* Query projected solid angle coverage for non-diffuse BSDF direction */ |
518 |
|
SDError |
519 |
< |
SDsizeBSDF(double *projSA, const FVECT vec, int qflags, const SDData *sd) |
519 |
> |
SDsizeBSDF(double *projSA, const FVECT v1, const RREAL *v2, |
520 |
> |
int qflags, const SDData *sd) |
521 |
|
{ |
522 |
< |
SDSpectralDF *rdf; |
522 |
> |
SDSpectralDF *rdf, *tdf; |
523 |
|
SDError ec; |
524 |
|
int i; |
525 |
|
/* check arguments */ |
526 |
< |
if ((projSA == NULL) | (vec == NULL) | (sd == NULL)) |
526 |
> |
if ((projSA == NULL) | (v1 == NULL) | (sd == NULL)) |
527 |
|
return SDEargument; |
528 |
|
/* initialize extrema */ |
529 |
|
switch (qflags) { |
539 |
|
case 0: |
540 |
|
return SDEargument; |
541 |
|
} |
542 |
< |
if (vec[2] > .0) /* front surface query? */ |
542 |
> |
if (v1[2] > 0) /* front surface query? */ |
543 |
|
rdf = sd->rf; |
544 |
|
else |
545 |
|
rdf = sd->rb; |
546 |
+ |
tdf = sd->tf; |
547 |
+ |
if (v2 != NULL) /* bidirectional? */ |
548 |
+ |
if (v1[2] > 0 ^ v2[2] > 0) |
549 |
+ |
rdf = NULL; |
550 |
+ |
else |
551 |
+ |
tdf = NULL; |
552 |
|
ec = SDEdata; /* run through components */ |
553 |
|
for (i = (rdf==NULL) ? 0 : rdf->ncomp; i--; ) { |
554 |
< |
ec = (*rdf->comp[i].func->queryProjSA)(projSA, vec, qflags, |
555 |
< |
rdf->comp[i].dist); |
554 |
> |
ec = (*rdf->comp[i].func->queryProjSA)(projSA, v1, v2, |
555 |
> |
qflags, &rdf->comp[i]); |
556 |
|
if (ec) |
557 |
|
return ec; |
558 |
|
} |
559 |
< |
for (i = (sd->tf==NULL) ? 0 : sd->tf->ncomp; i--; ) { |
560 |
< |
ec = (*sd->tf->comp[i].func->queryProjSA)(projSA, vec, qflags, |
561 |
< |
sd->tf->comp[i].dist); |
559 |
> |
for (i = (tdf==NULL) ? 0 : tdf->ncomp; i--; ) { |
560 |
> |
ec = (*tdf->comp[i].func->queryProjSA)(projSA, v1, v2, |
561 |
> |
qflags, &tdf->comp[i]); |
562 |
|
if (ec) |
563 |
|
return ec; |
564 |
|
} |
582 |
|
if ((sv == NULL) | (outVec == NULL) | (inVec == NULL) | (sd == NULL)) |
583 |
|
return SDEargument; |
584 |
|
/* whose side are we on? */ |
585 |
< |
inFront = (inVec[2] > .0); |
586 |
< |
outFront = (outVec[2] > .0); |
585 |
> |
inFront = (inVec[2] > 0); |
586 |
> |
outFront = (outVec[2] > 0); |
587 |
|
/* start with diffuse portion */ |
588 |
|
if (inFront & outFront) { |
589 |
|
*sv = sd->rLambFront; |
600 |
|
i = (sdf != NULL) ? sdf->ncomp : 0; |
601 |
|
while (i-- > 0) { |
602 |
|
nch = (*sdf->comp[i].func->getBSDFs)(coef, outVec, inVec, |
603 |
< |
sdf->comp[i].dist); |
603 |
> |
&sdf->comp[i]); |
604 |
|
while (nch-- > 0) { |
605 |
|
c_cmix(&sv->spec, sv->cieY, &sv->spec, |
606 |
|
coef[nch], &sdf->comp[i].cspec[nch]); |
624 |
|
if ((inVec == NULL) | (sd == NULL)) |
625 |
|
return .0; |
626 |
|
/* gather diffuse components */ |
627 |
< |
if (inVec[2] > .0) { |
627 |
> |
if (inVec[2] > 0) { |
628 |
|
hsum = sd->rLambFront.cieY; |
629 |
|
rdf = sd->rf; |
630 |
|
} else /* !inFront */ { |
655 |
|
|
656 |
|
/* Sample BSDF direction based on the given random variable */ |
657 |
|
SDError |
658 |
< |
SDsampBSDF(SDValue *sv, FVECT outVec, const FVECT inVec, |
616 |
< |
double randX, int sflags, const SDData *sd) |
658 |
> |
SDsampBSDF(SDValue *sv, FVECT ioVec, double randX, int sflags, const SDData *sd) |
659 |
|
{ |
660 |
|
SDError ec; |
661 |
+ |
FVECT inVec; |
662 |
|
int inFront; |
663 |
|
SDSpectralDF *rdf; |
664 |
|
double rdiff; |
667 |
|
SDComponent *sdc; |
668 |
|
const SDCDst **cdarr = NULL; |
669 |
|
/* check arguments */ |
670 |
< |
if ((sv == NULL) | (outVec == NULL) | (inVec == NULL) | (sd == NULL) | |
671 |
< |
(randX < .0) | (randX >= 1.)) |
670 |
> |
if ((sv == NULL) | (ioVec == NULL) | (sd == NULL) | |
671 |
> |
(randX < 0) | (randX >= 1.)) |
672 |
|
return SDEargument; |
673 |
|
/* whose side are we on? */ |
674 |
< |
inFront = (inVec[2] > .0); |
674 |
> |
VCOPY(inVec, ioVec); |
675 |
> |
inFront = (inVec[2] > 0); |
676 |
|
/* remember diffuse portions */ |
677 |
|
if (inFront) { |
678 |
|
*sv = sd->rLambFront; |
710 |
|
} |
711 |
|
sv->cieY += cdarr[i]->cTotal; |
712 |
|
} |
713 |
< |
if (sv->cieY <= 1e-7) { /* anything to sample? */ |
713 |
> |
if (sv->cieY <= 1e-6) { /* anything to sample? */ |
714 |
|
sv->cieY = .0; |
715 |
< |
memset(outVec, 0, 3*sizeof(double)); |
715 |
> |
memset(ioVec, 0, 3*sizeof(double)); |
716 |
|
return SDEnone; |
717 |
|
} |
718 |
|
/* scale random variable */ |
719 |
|
randX *= sv->cieY; |
720 |
|
/* diffuse reflection? */ |
721 |
|
if (randX < rdiff) { |
722 |
< |
SDdiffuseSamp(outVec, inFront, randX/rdiff); |
722 |
> |
SDdiffuseSamp(ioVec, inFront, randX/rdiff); |
723 |
|
goto done; |
724 |
|
} |
725 |
|
randX -= rdiff; |
727 |
|
if ((sflags & SDsampDf+SDsampT) == SDsampDf+SDsampT) { |
728 |
|
if (randX < sd->tLamb.cieY) { |
729 |
|
sv->spec = sd->tLamb.spec; |
730 |
< |
SDdiffuseSamp(outVec, !inFront, randX/sd->tLamb.cieY); |
730 |
> |
SDdiffuseSamp(ioVec, !inFront, randX/sd->tLamb.cieY); |
731 |
|
goto done; |
732 |
|
} |
733 |
|
randX -= sd->tLamb.cieY; |
739 |
|
return SDEinternal; |
740 |
|
/* compute sample direction */ |
741 |
|
sdc = (i < nr) ? &rdf->comp[i] : &sd->tf->comp[i-nr]; |
742 |
< |
ec = (*sdc->func->sampCDist)(outVec, randX/cdarr[i]->cTotal, cdarr[i]); |
742 |
> |
ec = (*sdc->func->sampCDist)(ioVec, randX/cdarr[i]->cTotal, cdarr[i]); |
743 |
|
if (ec) |
744 |
|
return ec; |
745 |
|
/* compute color */ |
746 |
< |
j = (*sdc->func->getBSDFs)(coef, outVec, inVec, sdc->dist); |
746 |
> |
j = (*sdc->func->getBSDFs)(coef, ioVec, inVec, sdc); |
747 |
|
if (j <= 0) { |
748 |
|
sprintf(SDerrorDetail, "BSDF \"%s\" sampling value error", |
749 |
|
sd->name); |
770 |
|
if ((vMtx == NULL) | (sNrm == NULL) | (uVec == NULL)) |
771 |
|
return SDEargument; |
772 |
|
VCOPY(vMtx[2], sNrm); |
773 |
< |
if (normalize(vMtx[2]) == .0) |
773 |
> |
if (normalize(vMtx[2]) == 0) |
774 |
|
return SDEargument; |
775 |
|
fcross(vMtx[0], uVec, vMtx[2]); |
776 |
< |
if (normalize(vMtx[0]) == .0) |
776 |
> |
if (normalize(vMtx[0]) == 0) |
777 |
|
return SDEargument; |
778 |
|
fcross(vMtx[1], vMtx[2], vMtx[0]); |
779 |
|
return SDEnone; |
793 |
|
mTmp[0][1] = vMtx[2][1]*vMtx[0][2] - vMtx[2][2]*vMtx[0][1]; |
794 |
|
mTmp[0][2] = vMtx[1][2]*vMtx[0][1] - vMtx[1][1]*vMtx[0][2]; |
795 |
|
d = vMtx[0][0]*mTmp[0][0] + vMtx[1][0]*mTmp[0][1] + vMtx[2][0]*mTmp[0][2]; |
796 |
< |
if (d == .0) { |
796 |
> |
if (d == 0) { |
797 |
|
strcpy(SDerrorDetail, "Zero determinant in matrix inversion"); |
798 |
|
return SDEargument; |
799 |
|
} |
820 |
|
if (vMtx == NULL) { /* assume they just want to normalize */ |
821 |
|
if (resVec != inpVec) |
822 |
|
VCOPY(resVec, inpVec); |
823 |
< |
return (normalize(resVec) > .0) ? SDEnone : SDEargument; |
823 |
> |
return (normalize(resVec) > 0) ? SDEnone : SDEargument; |
824 |
|
} |
825 |
|
vTmp[0] = DOT(vMtx[0], inpVec); |
826 |
|
vTmp[1] = DOT(vMtx[1], inpVec); |
827 |
|
vTmp[2] = DOT(vMtx[2], inpVec); |
828 |
< |
if (normalize(vTmp) == .0) |
828 |
> |
if (normalize(vTmp) == 0) |
829 |
|
return SDEargument; |
830 |
|
VCOPY(resVec, vTmp); |
831 |
|
return SDEnone; |
840 |
|
|
841 |
|
#include "standard.h" |
842 |
|
#include "paths.h" |
799 |
– |
#include <ctype.h> |
843 |
|
|
844 |
|
#define MAXLATS 46 /* maximum number of latitudes */ |
845 |
|
|
896 |
|
static int |
897 |
|
fequal(double a, double b) |
898 |
|
{ |
899 |
< |
if (b != .0) |
899 |
> |
if (b != 0) |
900 |
|
a = a/b - 1.; |
901 |
|
return((a <= 1e-6) & (a >= -1e-6)); |
902 |
|
} |
959 |
|
{ |
960 |
|
ANGLE_BASIS *ab = (ANGLE_BASIS *)p; |
961 |
|
int li, ndx; |
962 |
< |
double pol, azi, d; |
962 |
> |
double pol, azi; |
963 |
|
|
964 |
|
if ((v[2] < -1.0) | (v[2] > 1.0)) |
965 |
|
return(-1); |
1199 |
|
) |
1200 |
|
{ |
1201 |
|
double *omega_iarr, *omega_oarr; |
1202 |
< |
double dom, contrib, hemi_total, full_total; |
1202 |
> |
double dom, hemi_total, full_total; |
1203 |
|
int nneg; |
1204 |
|
FVECT v; |
1205 |
|
int i, o; |
1214 |
|
hemi_total = .0; |
1215 |
|
for (i = dp->ninc; i--; ) { |
1216 |
|
dom = getBSDF_incohm(dp,i); |
1217 |
< |
if (dom <= .0) { |
1217 |
> |
if (dom <= 0) { |
1218 |
|
error(WARNING, "zero/negative incoming solid angle"); |
1219 |
|
continue; |
1220 |
|
} |
1237 |
|
hemi_total = .0; |
1238 |
|
for (o = dp->nout; o--; ) { |
1239 |
|
dom = getBSDF_outohm(dp,o); |
1240 |
< |
if (dom <= .0) { |
1240 |
> |
if (dom <= 0) { |
1241 |
|
error(WARNING, "zero/negative outgoing solid angle"); |
1242 |
|
continue; |
1243 |
|
} |
1261 |
|
hemi_total = .0; |
1262 |
|
for (o = dp->nout; o--; ) { |
1263 |
|
double f = BSDF_value(dp,i,o); |
1264 |
< |
if (f >= .0) |
1264 |
> |
if (f >= 0) |
1265 |
|
hemi_total += f*omega_oarr[o]; |
1266 |
|
else { |
1267 |
|
nneg += (f < -FTINY); |
1349 |
|
error(WARNING, errmsg); |
1350 |
|
ezxml_free(fl); |
1351 |
|
return(NULL); |
1352 |
< |
} |
1353 |
< |
load_angle_basis(ezxml_child(ezxml_child(wtl, |
1354 |
< |
"DataDefinition"), "AngleBasis")); |
1352 |
> |
} |
1353 |
> |
for (wld = ezxml_child(ezxml_child(wtl, |
1354 |
> |
"DataDefinition"), "AngleBasis"); |
1355 |
> |
wld != NULL; wld = wld->next) |
1356 |
> |
load_angle_basis(wld); |
1357 |
|
dp = (struct BSDF_data *)calloc(1, sizeof(struct BSDF_data)); |
1358 |
|
load_geometry(dp, ezxml_child(wtl, "Material")); |
1359 |
|
for (wld = ezxml_child(wtl, "WavelengthData"); |