61 |
|
|
62 |
|
static int nabases = 3; /* current number of defined bases */ |
63 |
|
|
64 |
< |
#define FEQ(a,b) ((a)-(b) <= 1e-7 && (b)-(a) <= 1e-7) |
64 |
> |
#define FEQ(a,b) ((a)-(b) <= 1e-6 && (b)-(a) <= 1e-6) |
65 |
|
|
66 |
+ |
static int |
67 |
+ |
fequal(double a, double b) |
68 |
+ |
{ |
69 |
+ |
if (b != .0) |
70 |
+ |
a = a/b - 1.; |
71 |
+ |
return((a <= 1e-6) & (a >= -1e-6)); |
72 |
+ |
} |
73 |
+ |
|
74 |
|
// returns the name of the given tag |
75 |
|
#ifdef ezxml_name |
76 |
|
#undef ezxml_name |
219 |
|
if (!abname || !*abname) |
220 |
|
return; |
221 |
|
for (i = nabases; i--; ) |
222 |
< |
if (!strcmp(abname, abase_list[i].name)) |
222 |
> |
if (!strcasecmp(abname, abase_list[i].name)) |
223 |
|
return; /* assume it's the same */ |
224 |
|
if (nabases >= MAXABASES) |
225 |
|
error(INTERNAL, "too many angle bases"); |
235 |
|
if (!i) |
236 |
|
abase_list[nabases].lat[i].tmin = |
237 |
|
-abase_list[nabases].lat[i+1].tmin; |
238 |
< |
else if (!FEQ(atof(ezxml_txt(ezxml_child(ezxml_child(wbb, |
238 |
> |
else if (!fequal(atof(ezxml_txt(ezxml_child(ezxml_child(wbb, |
239 |
|
"ThetaBounds"), "LowerTheta"))), |
240 |
|
abase_list[nabases].lat[i].tmin)) |
241 |
|
error(WARNING, "theta values disagree in custom basis"); |
257 |
|
if (!strcasecmp(unit, "Foot")) return(.3048); |
258 |
|
if (!strcasecmp(unit, "Inch")) return(.0254); |
259 |
|
if (!strcasecmp(unit, "Centimeter")) return(.01); |
260 |
+ |
if (!strcasecmp(unit, "Millimeter")) return(.001); |
261 |
|
sprintf(errmsg, "unknown dimensional unit '%s'", unit); |
262 |
|
error(USER, errmsg); |
263 |
|
} |
320 |
|
return; |
321 |
|
} |
322 |
|
for (i = nabases; i--; ) |
323 |
< |
if (!strcmp(cbasis, abase_list[i].name)) { |
323 |
> |
if (!strcasecmp(cbasis, abase_list[i].name)) { |
324 |
|
dp->ninc = abase_list[i].nangles; |
325 |
|
dp->ib_priv = (void *)&abase_list[i]; |
326 |
|
dp->ib_vec = ab_getvecR; |
334 |
|
return; |
335 |
|
} |
336 |
|
for (i = nabases; i--; ) |
337 |
< |
if (!strcmp(rbasis, abase_list[i].name)) { |
337 |
> |
if (!strcasecmp(rbasis, abase_list[i].name)) { |
338 |
|
dp->nout = abase_list[i].nangles; |
339 |
|
dp->ob_priv = (void *)&abase_list[i]; |
340 |
|
dp->ob_vec = ab_getvec; |
454 |
|
BSDF_value(dp,i,o) = .0f; |
455 |
|
} |
456 |
|
} |
457 |
< |
if (hemi_total > 1.02) { |
457 |
> |
if (hemi_total > 1.01) { |
458 |
|
sprintf(errmsg, |
459 |
|
"incoming BSDF direction %d passes %.1f%% of light", |
460 |
|
i, 100.*hemi_total); |
471 |
|
for (i = dp->ninc; i--; ) |
472 |
|
hemi_total += BSDF_value(dp,i,o) * omega_iarr[i]; |
473 |
|
|
474 |
< |
if (hemi_total > 1.02) { |
474 |
> |
if (hemi_total > 1.01) { |
475 |
|
sprintf(errmsg, |
476 |
|
"outgoing BSDF direction %d collects %.1f%% of light", |
477 |
|
o, 100.*hemi_total); |
480 |
|
full_total += hemi_total*omega_oarr[o]; |
481 |
|
} |
482 |
|
full_total /= PI; |
483 |
< |
if (full_total > 1.02) { |
484 |
< |
sprintf(errmsg, "BSDF transfers %.1f%% of light", |
483 |
> |
if (full_total > 1.00001) { |
484 |
> |
sprintf(errmsg, "BSDF transfers %.4f%% of light", |
485 |
|
100.*full_total); |
486 |
|
error(WARNING, errmsg); |
487 |
|
} |
526 |
|
return(NULL); |
527 |
|
} |
528 |
|
wtl = ezxml_child(ezxml_child(fl, "Optical"), "Layer"); |
529 |
+ |
if (strcasecmp(ezxml_txt(ezxml_child(ezxml_child(wtl, |
530 |
+ |
"DataDefinition"), "IncidentDataStructure")), |
531 |
+ |
"Columns")) { |
532 |
+ |
sprintf(errmsg, |
533 |
+ |
"BSDF \"%s\": unsupported IncidentDataStructure", |
534 |
+ |
path); |
535 |
+ |
error(WARNING, errmsg); |
536 |
+ |
ezxml_free(fl); |
537 |
+ |
return(NULL); |
538 |
+ |
} |
539 |
|
load_angle_basis(ezxml_child(ezxml_child(wtl, |
540 |
|
"DataDefinition"), "AngleBasis")); |
541 |
|
dp = (struct BSDF_data *)calloc(1, sizeof(struct BSDF_data)); |
542 |
|
load_geometry(dp, ezxml_child(wtl, "Material")); |
543 |
|
for (wld = ezxml_child(wtl, "WavelengthData"); |
544 |
|
wld != NULL; wld = wld->next) { |
545 |
< |
if (strcmp(ezxml_txt(ezxml_child(wld,"Wavelength")), "Visible")) |
545 |
> |
if (strcasecmp(ezxml_txt(ezxml_child(wld,"Wavelength")), |
546 |
> |
"Visible")) |
547 |
|
continue; |
548 |
< |
wdb = ezxml_child(wld, "WavelengthDataBlock"); |
549 |
< |
if (wdb == NULL) continue; |
550 |
< |
if (strcmp(ezxml_txt(ezxml_child(wdb,"WavelengthDataDirection")), |
548 |
> |
for (wdb = ezxml_child(wld, "WavelengthDataBlock"); |
549 |
> |
wdb != NULL; wdb = wdb->next) |
550 |
> |
if (!strcasecmp(ezxml_txt(ezxml_child(wdb, |
551 |
> |
"WavelengthDataDirection")), |
552 |
|
"Transmission Front")) |
553 |
< |
continue; |
554 |
< |
load_bsdf_data(dp, wdb); /* load front BTDF */ |
555 |
< |
break; /* ignore the rest */ |
553 |
> |
break; |
554 |
> |
if (wdb != NULL) { /* load front BTDF */ |
555 |
> |
load_bsdf_data(dp, wdb); |
556 |
> |
break; /* ignore the rest */ |
557 |
> |
} |
558 |
|
} |
559 |
|
ezxml_free(fl); /* done with XML file */ |
560 |
|
if (!check_bsdf_data(dp)) { |