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" |
92 |
|
|
93 |
|
if (wdb == NULL) /* no geometry section? */ |
94 |
|
return SDEnone; |
95 |
+ |
if ((geom = ezxml_child(wdb, "Name")) != NULL) { |
96 |
+ |
strncpy(sd->matn, ezxml_txt(geom), SDnameLn); |
97 |
+ |
sd->matn[SDnameLn-1] = '\0'; |
98 |
+ |
} |
99 |
+ |
if ((geom = ezxml_child(wdb, "Manufacturer")) != NULL) { |
100 |
+ |
strncpy(sd->makr, ezxml_txt(geom), SDnameLn); |
101 |
+ |
sd->makr[SDnameLn-1] = '\0'; |
102 |
+ |
} |
103 |
|
sd->dim[0] = sd->dim[1] = sd->dim[2] = .0; |
104 |
+ |
SDerrorDetail[0] = '\0'; |
105 |
|
if ((geom = ezxml_child(wdb, "Width")) != NULL) |
106 |
|
sd->dim[0] = atof(ezxml_txt(geom)) * |
107 |
|
to_meters(ezxml_attr(geom, "unit")); |
112 |
|
sd->dim[2] = atof(ezxml_txt(geom)) * |
113 |
|
to_meters(ezxml_attr(geom, "unit")); |
114 |
|
if ((sd->dim[0] < 0) | (sd->dim[1] < 0) | (sd->dim[2] < 0)) { |
115 |
< |
sprintf(SDerrorDetail, "Negative size in \"%s\"", sd->name); |
115 |
> |
if (!SDerrorDetail[0]) |
116 |
> |
sprintf(SDerrorDetail, "Negative dimension in \"%s\"", |
117 |
> |
sd->name); |
118 |
|
return SDEdata; |
119 |
|
} |
120 |
|
if ((geom = ezxml_child(wdb, "Geometry")) == NULL || |
121 |
|
(mgfstr = ezxml_txt(geom)) == NULL) |
122 |
|
return SDEnone; |
123 |
+ |
while (isspace(*mgfstr)) |
124 |
+ |
++mgfstr; |
125 |
+ |
if (!*mgfstr) |
126 |
+ |
return SDEnone; |
127 |
|
if ((fmt = ezxml_attr(geom, "format")) != NULL && |
128 |
|
strcasecmp(fmt, "MGF")) { |
129 |
|
sprintf(SDerrorDetail, |
132 |
|
return SDEsupport; |
133 |
|
} |
134 |
|
cfact = to_meters(ezxml_attr(geom, "unit")); |
135 |
+ |
if (cfact <= 0) |
136 |
+ |
return SDEformat; |
137 |
|
sd->mgf = (char *)malloc(strlen(mgfstr)+32); |
138 |
|
if (sd->mgf == NULL) { |
139 |
|
strcpy(SDerrorDetail, "Out of memory in SDloadGeometry"); |
177 |
|
} |
178 |
|
wtl = ezxml_child(ezxml_child(fl, "Optical"), "Layer"); |
179 |
|
if (wtl == NULL) { |
180 |
< |
sprintf(SDerrorDetail, "BSDF \"%s\": no optical layer'", |
180 |
> |
sprintf(SDerrorDetail, "BSDF \"%s\": no optical layers'", |
181 |
|
sd->name); |
182 |
|
ezxml_free(fl); |
183 |
|
return SDEformat; |
184 |
|
} |
185 |
|
/* load geometry if present */ |
186 |
|
lastErr = SDloadGeometry(sd, ezxml_child(wtl, "Material")); |
187 |
< |
if (lastErr) |
187 |
> |
if (lastErr) { |
188 |
> |
ezxml_free(fl); |
189 |
|
return lastErr; |
190 |
+ |
} |
191 |
|
/* try loading variable resolution data */ |
192 |
|
lastErr = SDloadTre(sd, wtl); |
193 |
|
/* check our result */ |
194 |
< |
switch (lastErr) { |
173 |
< |
case SDEformat: |
174 |
< |
case SDEdata: |
175 |
< |
case SDEsupport: /* possibly we just tried the wrong format */ |
194 |
> |
if (lastErr == SDEsupport) /* try matrix BSDF if not tree data */ |
195 |
|
lastErr = SDloadMtx(sd, wtl); |
196 |
< |
break; |
178 |
< |
default: /* variable res. OK else serious error */ |
179 |
< |
break; |
180 |
< |
} |
196 |
> |
|
197 |
|
/* done with XML file */ |
198 |
|
ezxml_free(fl); |
199 |
|
|
239 |
|
return df; |
240 |
|
} |
241 |
|
|
242 |
+ |
/* Add component(s) to spectral distribution function */ |
243 |
+ |
SDSpectralDF * |
244 |
+ |
SDaddComponent(SDSpectralDF *odf, int nadd) |
245 |
+ |
{ |
246 |
+ |
SDSpectralDF *df; |
247 |
+ |
|
248 |
+ |
if (odf == NULL) |
249 |
+ |
return SDnewSpectralDF(nadd); |
250 |
+ |
if (nadd <= 0) |
251 |
+ |
return odf; |
252 |
+ |
df = (SDSpectralDF *)realloc(odf, sizeof(SDSpectralDF) + |
253 |
+ |
(odf->ncomp+nadd-1)*sizeof(SDComponent)); |
254 |
+ |
if (df == NULL) { |
255 |
+ |
sprintf(SDerrorDetail, |
256 |
+ |
"Cannot add %d component(s) to spectral DF", nadd); |
257 |
+ |
SDfreeSpectralDF(odf); |
258 |
+ |
return NULL; |
259 |
+ |
} |
260 |
+ |
memset(df->comp+df->ncomp, 0, nadd*sizeof(SDComponent)); |
261 |
+ |
df->ncomp += nadd; |
262 |
+ |
return df; |
263 |
+ |
} |
264 |
+ |
|
265 |
|
/* Free cached cumulative distributions for BSDF component */ |
266 |
|
void |
267 |
|
SDfreeCumulativeCache(SDSpectralDF *df) |
288 |
|
return; |
289 |
|
SDfreeCumulativeCache(df); |
290 |
|
for (n = df->ncomp; n-- > 0; ) |
291 |
< |
(*df->comp[n].func->freeSC)(df->comp[n].dist); |
291 |
> |
if (df->comp[n].dist != NULL) |
292 |
> |
(*df->comp[n].func->freeSC)(df->comp[n].dist); |
293 |
|
free(df); |
294 |
|
} |
295 |
|
|
461 |
|
cd = (*sdc->func->getCDist)(inVec, sdc); |
462 |
|
if (cd == NULL) |
463 |
|
return SDEmemory; |
464 |
< |
if (cd->cTotal <= 1e-7) { /* anything to sample? */ |
464 |
> |
if (cd->cTotal <= 1e-6) { /* anything to sample? */ |
465 |
|
sv->spec = c_dfcolor; |
466 |
|
sv->cieY = .0; |
467 |
|
memset(ioVec, 0, 3*sizeof(double)); |
723 |
|
} |
724 |
|
sv->cieY += cdarr[i]->cTotal; |
725 |
|
} |
726 |
< |
if (sv->cieY <= 1e-7) { /* anything to sample? */ |
726 |
> |
if (sv->cieY <= 1e-6) { /* anything to sample? */ |
727 |
|
sv->cieY = .0; |
728 |
|
memset(ioVec, 0, 3*sizeof(double)); |
729 |
|
return SDEnone; |
853 |
|
|
854 |
|
#include "standard.h" |
855 |
|
#include "paths.h" |
816 |
– |
#include <ctype.h> |
856 |
|
|
857 |
|
#define MAXLATS 46 /* maximum number of latitudes */ |
858 |
|
|
972 |
|
{ |
973 |
|
ANGLE_BASIS *ab = (ANGLE_BASIS *)p; |
974 |
|
int li, ndx; |
975 |
< |
double pol, azi, d; |
975 |
> |
double pol, azi; |
976 |
|
|
977 |
|
if ((v[2] < -1.0) | (v[2] > 1.0)) |
978 |
|
return(-1); |
1212 |
|
) |
1213 |
|
{ |
1214 |
|
double *omega_iarr, *omega_oarr; |
1215 |
< |
double dom, contrib, hemi_total, full_total; |
1215 |
> |
double dom, hemi_total, full_total; |
1216 |
|
int nneg; |
1217 |
|
FVECT v; |
1218 |
|
int i, o; |
1362 |
|
error(WARNING, errmsg); |
1363 |
|
ezxml_free(fl); |
1364 |
|
return(NULL); |
1365 |
< |
} |
1366 |
< |
load_angle_basis(ezxml_child(ezxml_child(wtl, |
1367 |
< |
"DataDefinition"), "AngleBasis")); |
1365 |
> |
} |
1366 |
> |
for (wld = ezxml_child(ezxml_child(wtl, |
1367 |
> |
"DataDefinition"), "AngleBasis"); |
1368 |
> |
wld != NULL; wld = wld->next) |
1369 |
> |
load_angle_basis(wld); |
1370 |
|
dp = (struct BSDF_data *)calloc(1, sizeof(struct BSDF_data)); |
1371 |
|
load_geometry(dp, ezxml_child(wtl, "Material")); |
1372 |
|
for (wld = ezxml_child(wtl, "WavelengthData"); |