418 |
|
int i; |
419 |
|
/* allocate BSDF component */ |
420 |
|
sdata = ezxml_txt(ezxml_child(wdb, "WavelengthDataDirection")); |
421 |
+ |
if (!sdata) |
422 |
+ |
return RC_FAIL; |
423 |
|
/* |
424 |
|
* Remember that front and back are reversed from WINDOW 6 orientations |
425 |
|
* Favor their "Front" (incoming light) since that's more often valid |
509 |
|
df->comp[0].dist = dp; |
510 |
|
df->comp[0].func = &SDhandleMtx; |
511 |
|
/* read BSDF data */ |
512 |
< |
sdata = ezxml_txt(ezxml_child(wdb,"ScatteringData")); |
512 |
> |
sdata = ezxml_txt(ezxml_child(wdb, "ScatteringData")); |
513 |
|
if (!sdata || !*sdata) { |
514 |
|
sprintf(SDerrorDetail, "Missing BSDF ScatteringData in '%s'", |
515 |
|
sd->name); |
523 |
|
sd->name); |
524 |
|
return RC_FORMERR; |
525 |
|
} |
526 |
< |
while (*sdnext && isspace(*sdnext)) |
526 |
> |
while (isspace(*sdnext)) |
527 |
|
sdnext++; |
528 |
|
if (*sdnext == ',') sdnext++; |
529 |
|
if (rowinc) { |
548 |
|
for (i = n; --i; ) |
549 |
|
if (sm->bsdf[i] < minv) |
550 |
|
minv = sm->bsdf[i]; |
551 |
+ |
|
552 |
+ |
if (minv <= FTINY) |
553 |
+ |
return .0; |
554 |
+ |
|
555 |
|
for (i = n; i--; ) |
556 |
|
sm->bsdf[i] -= minv; |
557 |
|
|
577 |
|
c_cmix(&dv->spec, dv->cieY, &dv->spec, ymin, &df->comp[n].cspec[0]); |
578 |
|
dv->cieY += ymin; |
579 |
|
} |
580 |
< |
df->maxHemi -= dv->cieY; /* adjust minimum hemispherical */ |
580 |
> |
df->maxHemi -= dv->cieY; /* adjust maximum hemispherical */ |
581 |
|
/* make sure everything is set */ |
582 |
|
c_ccvt(&dv->spec, C_CSXY+C_CSSPEC); |
583 |
|
} |
586 |
|
SDError |
587 |
|
SDloadMtx(SDData *sd, ezxml_t wtl) |
588 |
|
{ |
589 |
< |
ezxml_t wld, wdb; |
590 |
< |
int rowIn; |
591 |
< |
struct BSDF_data *dp; |
592 |
< |
char *txt; |
593 |
< |
int rval; |
588 |
< |
|
589 |
> |
ezxml_t wld, wdb; |
590 |
> |
int rowIn; |
591 |
> |
char *txt; |
592 |
> |
int rval; |
593 |
> |
/* basic checks and data ordering */ |
594 |
|
txt = ezxml_txt(ezxml_child(ezxml_child(wtl, |
595 |
|
"DataDefinition"), "IncidentDataStructure")); |
596 |
|
if (txt == NULL || !*txt) { |
609 |
|
sd->name); |
610 |
|
return SDEsupport; |
611 |
|
} |
612 |
< |
/* get angle basis */ |
612 |
> |
/* get angle basis */ |
613 |
|
rval = load_angle_basis(ezxml_child(ezxml_child(wtl, |
614 |
|
"DataDefinition"), "AngleBasis")); |
615 |
|
if (rval < 0) |
616 |
|
return convert_errcode(rval); |
617 |
< |
/* load BSDF components */ |
617 |
> |
/* load BSDF components */ |
618 |
|
for (wld = ezxml_child(wtl, "WavelengthData"); |
619 |
|
wld != NULL; wld = wld->next) { |
620 |
|
if (strcasecmp(ezxml_txt(ezxml_child(wld,"Wavelength")), |
625 |
|
if ((rval = load_bsdf_data(sd, wdb, rowIn)) < 0) |
626 |
|
return convert_errcode(rval); |
627 |
|
} |
628 |
< |
/* separate diffuse components */ |
628 |
> |
/* separate diffuse components */ |
629 |
|
extract_diffuse(&sd->rLambFront, sd->rf); |
630 |
|
extract_diffuse(&sd->rLambBack, sd->rb); |
631 |
|
extract_diffuse(&sd->tLamb, sd->tf); |
632 |
< |
/* return success */ |
632 |
> |
/* return success */ |
633 |
|
return SDEnone; |
634 |
|
} |
635 |
|
|