14 |
|
#include <math.h> |
15 |
|
#include "random.h" |
16 |
|
#include "platform.h" |
17 |
+ |
#include "paths.h" |
18 |
+ |
#include "rtio.h" |
19 |
|
#include "calcomp.h" |
20 |
|
#include "bsdfrep.h" |
21 |
|
#include "bsdf_m.h" |
22 |
+ |
/* tristimulus components */ |
23 |
+ |
enum {CIE_X, CIE_Y, CIE_Z}; |
24 |
|
/* assumed maximum # Klems patches */ |
25 |
|
#define MAXPATCHES 145 |
26 |
|
/* global argv[0] */ |
27 |
|
char *progname; |
28 |
|
/* selected basis function name */ |
29 |
< |
static const char *kbasis = "LBNL/Klems Full"; |
29 |
> |
static const char klems_full[] = "LBNL/Klems Full"; |
30 |
> |
static const char klems_half[] = "LBNL/Klems Half"; |
31 |
> |
static const char klems_quarter[] = "LBNL/Klems Quarter"; |
32 |
> |
static const char *kbasis = klems_full; |
33 |
|
/* number of BSDF samples per patch */ |
34 |
< |
static int npsamps = 256; |
34 |
> |
static int npsamps = 1024; |
35 |
> |
/* limit on number of RBF lobes */ |
36 |
> |
static int lobe_lim = 15000; |
37 |
> |
/* progress bar length */ |
38 |
> |
static int do_prog = 79; |
39 |
|
|
40 |
< |
/* Return angle basis corresponding to the given name */ |
41 |
< |
ANGLE_BASIS * |
42 |
< |
get_basis(const char *bn) |
32 |
< |
{ |
33 |
< |
int n = nabases; |
34 |
< |
|
35 |
< |
while (n-- > 0) |
36 |
< |
if (!strcasecmp(bn, abase_list[n].name)) |
37 |
< |
return &abase_list[n]; |
38 |
< |
return NULL; |
39 |
< |
} |
40 |
> |
#define MAXCARG 512 /* wrapBSDF command */ |
41 |
> |
static char *wrapBSDF[MAXCARG] = {"wrapBSDF", "-W", "-UU"}; |
42 |
> |
static int wbsdfac = 3; |
43 |
|
|
44 |
< |
/* Output XML header to stdout */ |
44 |
> |
/* Add argument to wrapBSDF, allocating space if !isstatic */ |
45 |
|
static void |
46 |
< |
xml_header(int ac, char *av[]) |
46 |
> |
add_wbsdf(const char *arg, int isstatic) |
47 |
|
{ |
48 |
< |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
49 |
< |
puts("<WindowElement xmlns=\"http://windows.lbl.gov\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://windows.lbl.gov/BSDF-v1.4.xsd\">"); |
50 |
< |
fputs("<!-- File produced by:", stdout); |
51 |
< |
while (ac-- > 0) { |
52 |
< |
fputc(' ', stdout); |
53 |
< |
fputs(*av++, stdout); |
48 |
> |
if (arg == NULL) |
49 |
> |
return; |
50 |
> |
if (wbsdfac >= MAXCARG-1) { |
51 |
> |
fputs(progname, stderr); |
52 |
> |
fputs(": too many command arguments to wrapBSDF\n", stderr); |
53 |
> |
exit(1); |
54 |
|
} |
55 |
< |
puts(" -->"); |
55 |
> |
if (!*arg) |
56 |
> |
arg = ""; |
57 |
> |
else if (!isstatic) |
58 |
> |
arg = savqstr((char *)arg); |
59 |
> |
|
60 |
> |
wrapBSDF[wbsdfac++] = (char *)arg; |
61 |
|
} |
62 |
|
|
63 |
< |
/* Output XML prologue to stdout */ |
63 |
> |
/* Start new progress bar */ |
64 |
> |
#define prog_start(s) if (do_prog) fprintf(stderr, "%s: %s...\n", progname, s); else |
65 |
> |
|
66 |
> |
/* Draw progress bar of the appropriate length */ |
67 |
|
static void |
68 |
< |
xml_prologue(const SDData *sd) |
68 |
> |
prog_show(double frac) |
69 |
|
{ |
70 |
< |
const char *matn = (sd && sd->matn[0]) ? sd->matn : "Name"; |
71 |
< |
const char *makr = (sd && sd->makr[0]) ? sd->makr : "Manufacturer"; |
72 |
< |
ANGLE_BASIS *abp = get_basis(kbasis); |
73 |
< |
int i; |
70 |
> |
static unsigned call_cnt = 0; |
71 |
> |
static char lastc[] = "-\\|/"; |
72 |
> |
char pbar[256]; |
73 |
> |
int nchars; |
74 |
|
|
75 |
< |
if (abp == NULL) { |
76 |
< |
fprintf(stderr, "%s: unknown angle basis '%s'\n", progname, kbasis); |
77 |
< |
exit(1); |
78 |
< |
} |
79 |
< |
puts("<WindowElementType>System</WindowElementType>"); |
80 |
< |
puts("<FileType>BSDF</FileType>"); |
81 |
< |
puts("<Optical>"); |
82 |
< |
puts("<Layer>"); |
83 |
< |
puts("\t<Material>"); |
84 |
< |
printf("\t\t<Name>%s</Name>\n", matn); |
85 |
< |
printf("\t\t<Manufacturer>%s</Manufacturer>\n", makr); |
86 |
< |
if (sd && sd->dim[2] > .001) { |
76 |
< |
printf("\t\t<Thickness unit=\"meter\">%.3f</Thickness>\n", sd->dim[2]); |
77 |
< |
printf("\t\t<Width unit=\"meter\">%.3f</Width>\n", sd->dim[0]); |
78 |
< |
printf("\t\t<Height unit=\"meter\">%.3f</Height>\n", sd->dim[1]); |
79 |
< |
} |
80 |
< |
puts("\t\t<DeviceType>Other</DeviceType>"); |
81 |
< |
puts("\t</Material>"); |
82 |
< |
if (sd && sd->mgf != NULL) { |
83 |
< |
puts("\t<Geometry format=\"MGF\">"); |
84 |
< |
puts("\t\t<MGFblock unit=\"meter\">"); |
85 |
< |
fputs(sd->mgf, stdout); |
86 |
< |
puts("</MGFblock>"); |
87 |
< |
puts("\t</Geometry>"); |
88 |
< |
} |
89 |
< |
puts("\t<DataDefinition>"); |
90 |
< |
puts("\t\t<IncidentDataStructure>Columns</IncidentDataStructure>"); |
91 |
< |
puts("\t\t<AngleBasis>"); |
92 |
< |
printf("\t\t\t<AngleBasisName>%s</AngleBasisName>\n", kbasis); |
93 |
< |
for (i = 0; abp->lat[i].nphis; i++) { |
94 |
< |
puts("\t\t\t<AngleBasisBlock>"); |
95 |
< |
printf("\t\t\t<Theta>%g</Theta>\n", i ? |
96 |
< |
.5*(abp->lat[i].tmin + abp->lat[i+1].tmin) : |
97 |
< |
.0 ); |
98 |
< |
printf("\t\t\t<nPhis>%d</nPhis>\n", abp->lat[i].nphis); |
99 |
< |
puts("\t\t\t<ThetaBounds>"); |
100 |
< |
printf("\t\t\t\t<LowerTheta>%g</LowerTheta>\n", abp->lat[i].tmin); |
101 |
< |
printf("\t\t\t\t<UpperTheta>%g</UpperTheta>\n", abp->lat[i+1].tmin); |
102 |
< |
puts("\t\t\t</ThetaBounds>"); |
103 |
< |
puts("\t\t\t</AngleBasisBlock>"); |
104 |
< |
} |
105 |
< |
puts("\t\t</AngleBasis>"); |
106 |
< |
puts("\t</DataDefinition>"); |
75 |
> |
if (do_prog <= 1) return; |
76 |
> |
if (do_prog > sizeof(pbar)-2) |
77 |
> |
do_prog = sizeof(pbar)-2; |
78 |
> |
if (frac < 0) frac = 0; |
79 |
> |
else if (frac >= 1) frac = .9999; |
80 |
> |
nchars = do_prog*frac; |
81 |
> |
pbar[0] = '\r'; |
82 |
> |
memset(pbar+1, '*', nchars); |
83 |
> |
pbar[nchars+1] = lastc[call_cnt++ & 3]; |
84 |
> |
memset(pbar+2+nchars, '-', do_prog-nchars-1); |
85 |
> |
pbar[do_prog+1] = '\0'; |
86 |
> |
fputs(pbar, stderr); |
87 |
|
} |
88 |
|
|
89 |
< |
/* Output XML data prologue to stdout */ |
89 |
> |
/* Finish progress bar */ |
90 |
|
static void |
91 |
< |
data_prologue() |
91 |
> |
prog_done(void) |
92 |
|
{ |
93 |
< |
static const char *bsdf_type[4] = { |
114 |
< |
"Reflection Front", |
115 |
< |
"Transmission Front", |
116 |
< |
"Transmission Back", |
117 |
< |
"Reflection Back" |
118 |
< |
}; |
93 |
> |
int n = do_prog; |
94 |
|
|
95 |
< |
puts("\t<WavelengthData>"); |
96 |
< |
puts("\t\t<LayerNumber>System</LayerNumber>"); |
97 |
< |
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>"); |
98 |
< |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
99 |
< |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>"); |
125 |
< |
puts("\t\t<WavelengthDataBlock>"); |
126 |
< |
printf("\t\t\t<WavelengthDataDirection>%s</WavelengthDataDirection>\n", |
127 |
< |
bsdf_type[(input_orient>0)<<1 | (output_orient>0)]); |
128 |
< |
printf("\t\t\t<ColumnAngleBasis>%s</ColumnAngleBasis>\n", kbasis); |
129 |
< |
printf("\t\t\t<RowAngleBasis>%s</RowAngleBasis>\n", kbasis); |
130 |
< |
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>"); |
131 |
< |
puts("\t\t\t<ScatteringData>"); |
95 |
> |
if (n <= 1) return; |
96 |
> |
fputc('\r', stderr); |
97 |
> |
while (n--) |
98 |
> |
fputc(' ', stderr); |
99 |
> |
fputc('\r', stderr); |
100 |
|
} |
101 |
|
|
102 |
< |
/* Output XML data epilogue to stdout */ |
103 |
< |
static void |
104 |
< |
data_epilogue(void) |
102 |
> |
/* Return angle basis corresponding to the given name */ |
103 |
> |
static ANGLE_BASIS * |
104 |
> |
get_basis(const char *bn) |
105 |
|
{ |
106 |
< |
puts("\t\t\t</ScatteringData>"); |
107 |
< |
puts("\t\t</WavelengthDataBlock>"); |
108 |
< |
puts("\t</WavelengthData>"); |
106 |
> |
int n = nabases; |
107 |
> |
|
108 |
> |
while (n-- > 0) |
109 |
> |
if (!strcasecmp(bn, abase_list[n].name)) |
110 |
> |
return &abase_list[n]; |
111 |
> |
return NULL; |
112 |
|
} |
113 |
|
|
114 |
< |
/* Output XML epilogue to stdout */ |
115 |
< |
static void |
116 |
< |
xml_epilogue(void) |
114 |
> |
/* Copy geometry string to file for wrapBSDF */ |
115 |
> |
static char * |
116 |
> |
save_geom(const char *mgf) |
117 |
|
{ |
118 |
< |
puts("</Layer>"); |
119 |
< |
puts("</Optical>"); |
120 |
< |
puts("</WindowElement>"); |
118 |
> |
char *tfname = mktemp(savqstr(TEMPLATE)); |
119 |
> |
int fd = open(tfname, O_CREAT|O_WRONLY, 0600); |
120 |
> |
|
121 |
> |
if (fd < 0) |
122 |
> |
return(NULL); |
123 |
> |
write(fd, mgf, strlen(mgf)); |
124 |
> |
close(fd); |
125 |
> |
add_wbsdf("-g", 1); |
126 |
> |
add_wbsdf(tfname, 1); |
127 |
> |
return(tfname); |
128 |
|
} |
129 |
|
|
130 |
+ |
/* Open XYZ component file for output and add appropriate arguments */ |
131 |
+ |
static FILE * |
132 |
+ |
open_component_file(int c) |
133 |
+ |
{ |
134 |
+ |
static const char sname[3][6] = {"CIE-X", "CIE-Y", "CIE-Z"}; |
135 |
+ |
static const char cname[4][4] = {"-rf", "-tf", "-tb", "-rb"}; |
136 |
+ |
char *tfname = mktemp(savqstr(TEMPLATE)); |
137 |
+ |
FILE *fp = fopen(tfname, "w"); |
138 |
+ |
|
139 |
+ |
if (fp == NULL) { |
140 |
+ |
fprintf(stderr, "%s: cannot open '%s' for writing\n", |
141 |
+ |
progname, tfname); |
142 |
+ |
exit(1); |
143 |
+ |
} |
144 |
+ |
add_wbsdf("-s", 1); add_wbsdf(sname[c], 1); |
145 |
+ |
add_wbsdf(cname[(input_orient>0)<<1 | (output_orient>0)], 1); |
146 |
+ |
add_wbsdf(tfname, 1); |
147 |
+ |
return(fp); |
148 |
+ |
} |
149 |
+ |
|
150 |
|
/* Load and resample XML BSDF description using Klems basis */ |
151 |
|
static void |
152 |
|
eval_bsdf(const char *fname) |
153 |
|
{ |
154 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
155 |
< |
float *trans_mtx = NULL; |
155 |
> |
FILE *cfp[3]; |
156 |
|
SDData bsd; |
157 |
|
SDError ec; |
158 |
|
FVECT vin, vout; |
159 |
< |
SDValue sv; |
160 |
< |
double sum; |
159 |
> |
SDValue sdv; |
160 |
> |
double sum, xsum, ysum; |
161 |
|
int i, j, n; |
162 |
|
|
163 |
+ |
initurand(npsamps); |
164 |
|
SDclearBSDF(&bsd, fname); /* load BSDF file */ |
165 |
|
if ((ec = SDloadFile(&bsd, fname)) != SDEnone) |
166 |
|
goto err; |
167 |
< |
xml_prologue(&bsd); /* pass geometry */ |
167 |
> |
if (bsd.mgf != NULL) /* save geometry */ |
168 |
> |
save_geom(bsd.mgf); |
169 |
> |
if (bsd.matn[0]) /* save identifier(s) */ |
170 |
> |
strcpy(bsdf_name, bsd.matn); |
171 |
> |
if (bsd.makr[0]) |
172 |
> |
strcpy(bsdf_manuf, bsd.makr); |
173 |
> |
if (bsd.dim[2] > 0) { /* save dimension(s) */ |
174 |
> |
char buf[64]; |
175 |
> |
if ((bsd.dim[0] > 0) & (bsd.dim[1] > 0)) |
176 |
> |
sprintf(buf, "w=%g;h=%g;t=%g", |
177 |
> |
bsd.dim[0], bsd.dim[1], bsd.dim[2]); |
178 |
> |
else |
179 |
> |
sprintf(buf, "t=%g", bsd.dim[2]); |
180 |
> |
add_wbsdf("-f", 1); |
181 |
> |
add_wbsdf(buf, 0); |
182 |
> |
} |
183 |
|
/* front reflection */ |
184 |
|
if (bsd.rf != NULL || bsd.rLambFront.cieY > .002) { |
185 |
|
input_orient = 1; output_orient = 1; |
186 |
< |
data_prologue(); |
186 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
187 |
> |
if (bsd.rf != NULL && bsd.rf->comp[0].cspec[2].flags) { |
188 |
> |
rbf_colorimetry = RBCtristimulus; |
189 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
190 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
191 |
> |
} else |
192 |
> |
rbf_colorimetry = RBCphotopic; |
193 |
|
for (j = 0; j < abp->nangles; j++) { |
194 |
|
for (i = 0; i < abp->nangles; i++) { |
195 |
|
sum = 0; /* average over patches */ |
196 |
+ |
xsum = ysum = 0; |
197 |
|
for (n = npsamps; n-- > 0; ) { |
198 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
199 |
|
fi_getvec(vin, i+urand(n), abp); |
200 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
200 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
201 |
|
if (ec != SDEnone) |
202 |
|
goto err; |
203 |
< |
sum += sv.cieY; |
203 |
> |
sum += sdv.cieY; |
204 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
205 |
> |
xsum += sdv.cieY * sdv.spec.cx; |
206 |
> |
ysum += sdv.cieY * sdv.spec.cy; |
207 |
> |
} |
208 |
|
} |
209 |
< |
printf("\t%.3e\n", sum/npsamps); |
209 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
210 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
211 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", xsum*sum/(npsamps*ysum)); |
212 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", |
213 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
214 |
> |
} |
215 |
|
} |
216 |
< |
putchar('\n'); /* extra space between rows */ |
216 |
> |
fputc('\n', cfp[CIE_Y]); /* extra space between rows */ |
217 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
218 |
> |
fputc('\n', cfp[CIE_X]); |
219 |
> |
fputc('\n', cfp[CIE_Z]); |
220 |
> |
} |
221 |
|
} |
222 |
< |
data_epilogue(); |
222 |
> |
if (fclose(cfp[CIE_Y])) { |
223 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
224 |
> |
exit(1); |
225 |
> |
} |
226 |
> |
if (rbf_colorimetry == RBCtristimulus && |
227 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
228 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
229 |
> |
exit(1); |
230 |
> |
} |
231 |
|
} |
232 |
|
/* back reflection */ |
233 |
|
if (bsd.rb != NULL || bsd.rLambBack.cieY > .002) { |
234 |
|
input_orient = -1; output_orient = -1; |
235 |
< |
data_prologue(); |
235 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
236 |
> |
if (bsd.rb != NULL && bsd.rb->comp[0].cspec[2].flags) { |
237 |
> |
rbf_colorimetry = RBCtristimulus; |
238 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
239 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
240 |
> |
} else |
241 |
> |
rbf_colorimetry = RBCphotopic; |
242 |
|
for (j = 0; j < abp->nangles; j++) { |
243 |
|
for (i = 0; i < abp->nangles; i++) { |
244 |
|
sum = 0; /* average over patches */ |
245 |
+ |
xsum = ysum = 0; |
246 |
|
for (n = npsamps; n-- > 0; ) { |
247 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
248 |
|
bi_getvec(vin, i+urand(n), abp); |
249 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
249 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
250 |
|
if (ec != SDEnone) |
251 |
|
goto err; |
252 |
< |
sum += sv.cieY; |
252 |
> |
sum += sdv.cieY; |
253 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
254 |
> |
xsum += sdv.cieY * sdv.spec.cx; |
255 |
> |
ysum += sdv.cieY * sdv.spec.cy; |
256 |
> |
} |
257 |
|
} |
258 |
< |
printf("\t%.3e\n", sum/npsamps); |
258 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
259 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
260 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", xsum*sum/(npsamps*ysum)); |
261 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", |
262 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
263 |
> |
} |
264 |
|
} |
265 |
< |
putchar('\n'); /* extra space between rows */ |
265 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
266 |
> |
fputc('\n', cfp[CIE_X]); |
267 |
> |
fputc('\n', cfp[CIE_Z]); |
268 |
> |
} |
269 |
|
} |
270 |
< |
data_epilogue(); |
270 |
> |
if (fclose(cfp[CIE_Y])) { |
271 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
272 |
> |
exit(1); |
273 |
> |
} |
274 |
> |
if (rbf_colorimetry == RBCtristimulus && |
275 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
276 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
277 |
> |
exit(1); |
278 |
> |
} |
279 |
|
} |
280 |
|
/* front transmission */ |
281 |
|
if (bsd.tf != NULL || bsd.tLamb.cieY > .002) { |
213 |
– |
if (bsd.tb == NULL) |
214 |
– |
trans_mtx = (float *)malloc(sizeof(float) * |
215 |
– |
abp->nangles*abp->nangles); |
282 |
|
input_orient = 1; output_orient = -1; |
283 |
< |
data_prologue(); |
283 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
284 |
> |
if (bsd.tf != NULL && bsd.tf->comp[0].cspec[2].flags) { |
285 |
> |
rbf_colorimetry = RBCtristimulus; |
286 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
287 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
288 |
> |
} else |
289 |
> |
rbf_colorimetry = RBCphotopic; |
290 |
|
for (j = 0; j < abp->nangles; j++) { |
291 |
|
for (i = 0; i < abp->nangles; i++) { |
292 |
|
sum = 0; /* average over patches */ |
293 |
+ |
xsum = ysum = 0; |
294 |
|
for (n = npsamps; n-- > 0; ) { |
295 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
296 |
|
fi_getvec(vin, i+urand(n), abp); |
297 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
297 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
298 |
|
if (ec != SDEnone) |
299 |
|
goto err; |
300 |
< |
sum += sv.cieY; |
300 |
> |
sum += sdv.cieY; |
301 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
302 |
> |
xsum += sdv.cieY * sdv.spec.cx; |
303 |
> |
ysum += sdv.cieY * sdv.spec.cy; |
304 |
> |
} |
305 |
|
} |
306 |
< |
printf("\t%.3e\n", sum/npsamps); |
307 |
< |
if (trans_mtx != NULL) |
308 |
< |
trans_mtx[j*abp->nangles + i] = sum/npsamps; |
306 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
307 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
308 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", xsum*sum/(npsamps*ysum)); |
309 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", |
310 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
311 |
> |
} |
312 |
|
} |
313 |
< |
putchar('\n'); /* extra space between rows */ |
313 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
314 |
> |
fputc('\n', cfp[CIE_X]); |
315 |
> |
fputc('\n', cfp[CIE_Z]); |
316 |
> |
} |
317 |
|
} |
318 |
< |
data_epilogue(); |
318 |
> |
if (fclose(cfp[CIE_Y])) { |
319 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
320 |
> |
exit(1); |
321 |
> |
} |
322 |
> |
if (rbf_colorimetry == RBCtristimulus && |
323 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
324 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
325 |
> |
exit(1); |
326 |
> |
} |
327 |
|
} |
328 |
|
/* back transmission */ |
329 |
< |
if (bsd.tb != NULL || trans_mtx != NULL) { |
239 |
< |
if (bsd.tf == NULL) |
240 |
< |
trans_mtx = (float *)malloc(sizeof(float) * |
241 |
< |
abp->nangles*abp->nangles); |
329 |
> |
if ((bsd.tb != NULL) | (bsd.tf != NULL)) { |
330 |
|
input_orient = -1; output_orient = 1; |
331 |
< |
data_prologue(); |
331 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
332 |
> |
if (bsd.tb != NULL) |
333 |
> |
rbf_colorimetry = bsd.tb->comp[0].cspec[2].flags |
334 |
> |
? RBCtristimulus : RBCphotopic ; |
335 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
336 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
337 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
338 |
> |
} |
339 |
|
for (j = 0; j < abp->nangles; j++) { |
340 |
< |
for (i = 0; i < abp->nangles; i++) |
341 |
< |
if (bsd.tb != NULL) { /* use tb if we have it */ |
342 |
< |
sum = 0; /* average over patches */ |
343 |
< |
for (n = npsamps; n-- > 0; ) { |
344 |
< |
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
345 |
< |
bi_getvec(vin, i+urand(n), abp); |
346 |
< |
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
347 |
< |
if (ec != SDEnone) |
340 |
> |
for (i = 0; i < abp->nangles; i++) { |
341 |
> |
sum = 0; /* average over patches */ |
342 |
> |
xsum = ysum = 0; |
343 |
> |
for (n = npsamps; n-- > 0; ) { |
344 |
> |
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
345 |
> |
bi_getvec(vin, i+urand(n), abp); |
346 |
> |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
347 |
> |
if (ec != SDEnone) |
348 |
|
goto err; |
349 |
< |
sum += sv.cieY; |
349 |
> |
sum += sdv.cieY; |
350 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
351 |
> |
xsum += sdv.cieY * sdv.spec.cx; |
352 |
> |
ysum += sdv.cieY * sdv.spec.cy; |
353 |
|
} |
256 |
– |
printf("\t%.3e\n", sum/npsamps); |
257 |
– |
if (trans_mtx != NULL) |
258 |
– |
trans_mtx[i*abp->nangles + j] = sum/npsamps; |
259 |
– |
} else { /* else transpose tf */ |
260 |
– |
printf("\t%.3e\n", trans_mtx[i*abp->nangles + j]); |
354 |
|
} |
355 |
< |
putchar('\n'); /* extra space between rows */ |
355 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", sum/npsamps); |
356 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
357 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", xsum*sum/(npsamps*ysum)); |
358 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", |
359 |
> |
(sum - xsum - ysum)*sum/(npsamps*ysum)); |
360 |
> |
} |
361 |
> |
} |
362 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
363 |
> |
fputc('\n', cfp[CIE_X]); |
364 |
> |
fputc('\n', cfp[CIE_Z]); |
365 |
> |
} |
366 |
|
} |
367 |
< |
data_epilogue(); |
368 |
< |
} |
369 |
< |
/* derived front transmission */ |
267 |
< |
if (bsd.tf == NULL && trans_mtx != NULL) { |
268 |
< |
input_orient = 1; output_orient = -1; |
269 |
< |
data_prologue(); |
270 |
< |
for (j = 0; j < abp->nangles; j++) { |
271 |
< |
for (i = 0; i < abp->nangles; i++) |
272 |
< |
printf("\t%.3e\n", trans_mtx[j*abp->nangles + i]); |
273 |
< |
putchar('\n'); /* extra space between rows */ |
367 |
> |
if (fclose(cfp[CIE_Y])) { |
368 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
369 |
> |
exit(1); |
370 |
|
} |
371 |
< |
data_epilogue(); |
371 |
> |
if (rbf_colorimetry == RBCtristimulus && |
372 |
> |
(fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z]))) { |
373 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
374 |
> |
exit(1); |
375 |
> |
} |
376 |
|
} |
377 |
|
SDfreeBSDF(&bsd); /* all done */ |
278 |
– |
if (trans_mtx != NULL) |
279 |
– |
free(trans_mtx); |
378 |
|
return; |
379 |
|
err: |
380 |
|
SDreportError(ec, stderr); |
386 |
|
eval_function(char *funame) |
387 |
|
{ |
388 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
389 |
+ |
int assignD = (fundefined(funame) < 6); |
390 |
+ |
FILE *ofp = open_component_file(CIE_Y); |
391 |
|
double iovec[6]; |
392 |
|
double sum; |
393 |
|
int i, j, n; |
394 |
|
|
395 |
|
initurand(npsamps); |
296 |
– |
data_prologue(); /* begin output */ |
396 |
|
for (j = 0; j < abp->nangles; j++) { /* run through directions */ |
397 |
|
for (i = 0; i < abp->nangles; i++) { |
398 |
|
sum = 0; |
407 |
|
else |
408 |
|
bi_getvec(iovec, i+urand(n), abp); |
409 |
|
|
410 |
+ |
if (assignD) { |
411 |
+ |
varset("Dx", '=', -iovec[3]); |
412 |
+ |
varset("Dy", '=', -iovec[4]); |
413 |
+ |
varset("Dz", '=', -iovec[5]); |
414 |
+ |
++eclock; |
415 |
+ |
} |
416 |
|
sum += funvalue(funame, 6, iovec); |
417 |
|
} |
418 |
< |
printf("\t%.3e\n", sum/npsamps); |
418 |
> |
fprintf(ofp, "\t%.3e\n", sum/npsamps); |
419 |
|
} |
420 |
< |
putchar('\n'); |
420 |
> |
fputc('\n', ofp); |
421 |
> |
prog_show((j+1.)/abp->nangles); |
422 |
|
} |
423 |
< |
data_epilogue(); /* finish output */ |
423 |
> |
prog_done(); |
424 |
> |
if (fclose(ofp)) { |
425 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
426 |
> |
exit(1); |
427 |
> |
} |
428 |
|
} |
429 |
|
|
430 |
|
/* Interpolate and output a radial basis function BSDF representation */ |
432 |
|
eval_rbf(void) |
433 |
|
{ |
434 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
435 |
+ |
float (*XZarr)[2] = NULL; |
436 |
|
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
437 |
+ |
FILE *cfp[3]; |
438 |
|
FVECT vin, vout; |
439 |
< |
RBFNODE *rbf; |
328 |
< |
double sum; |
439 |
> |
double sum, xsum, ysum; |
440 |
|
int i, j, n; |
441 |
|
/* sanity check */ |
442 |
|
if (abp->nangles > MAXPATCHES) { |
443 |
|
fprintf(stderr, "%s: too many patches!\n", progname); |
444 |
|
exit(1); |
445 |
|
} |
446 |
< |
data_prologue(); /* begin output */ |
446 |
> |
if (rbf_colorimetry == RBCtristimulus) |
447 |
> |
XZarr = (float (*)[2])malloc(sizeof(float)*2*abp->nangles*abp->nangles); |
448 |
|
for (i = 0; i < abp->nangles; i++) { |
449 |
+ |
RBFNODE *rbf; |
450 |
|
if (input_orient > 0) /* use incident patch center */ |
451 |
|
fi_getvec(vin, i+.5*(i>0), abp); |
452 |
|
else |
453 |
|
bi_getvec(vin, i+.5*(i>0), abp); |
454 |
|
|
455 |
< |
rbf = advect_rbf(vin); /* compute radial basis func */ |
455 |
> |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
456 |
|
|
457 |
|
for (j = 0; j < abp->nangles; j++) { |
458 |
|
sum = 0; /* sample over exiting patch */ |
459 |
+ |
xsum = ysum = 0; |
460 |
|
for (n = npsamps; n--; ) { |
461 |
+ |
SDValue sdv; |
462 |
|
if (output_orient > 0) |
463 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
464 |
|
else |
465 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
466 |
|
|
467 |
< |
sum += eval_rbfrep(rbf, vout) / vout[2]; |
467 |
> |
eval_rbfcol(&sdv, rbf, vout); |
468 |
> |
sum += sdv.cieY; |
469 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
470 |
> |
xsum += sdv.cieY * sdv.spec.cx; |
471 |
> |
ysum += sdv.cieY * sdv.spec.cy; |
472 |
> |
} |
473 |
|
} |
474 |
< |
bsdfarr[j*abp->nangles + i] = sum*output_orient/npsamps; |
474 |
> |
n = j*abp->nangles + i; |
475 |
> |
bsdfarr[n] = sum / npsamps; |
476 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
477 |
> |
XZarr[n][0] = xsum*sum/(npsamps*ysum); |
478 |
> |
XZarr[n][1] = (sum - xsum - ysum)*sum/(npsamps*ysum); |
479 |
> |
} |
480 |
|
} |
481 |
|
if (rbf != NULL) |
482 |
|
free(rbf); |
483 |
+ |
prog_show((i+1.)/abp->nangles); |
484 |
|
} |
485 |
< |
n = 0; /* write out our matrix */ |
485 |
> |
/* write out our matrix */ |
486 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
487 |
> |
n = 0; |
488 |
|
for (j = 0; j < abp->nangles; j++) { |
489 |
< |
for (i = 0; i < abp->nangles; i++) |
490 |
< |
printf("\t%.3e\n", bsdfarr[n++]); |
491 |
< |
putchar('\n'); |
489 |
> |
for (i = 0; i < abp->nangles; i++, n++) |
490 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", bsdfarr[n]); |
491 |
> |
fputc('\n', cfp[CIE_Y]); |
492 |
|
} |
493 |
< |
data_epilogue(); /* finish output */ |
493 |
> |
prog_done(); |
494 |
> |
if (fclose(cfp[CIE_Y])) { |
495 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
496 |
> |
exit(1); |
497 |
> |
} |
498 |
> |
if (XZarr == NULL) /* no color? */ |
499 |
> |
return; |
500 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
501 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
502 |
> |
n = 0; |
503 |
> |
for (j = 0; j < abp->nangles; j++) { |
504 |
> |
for (i = 0; i < abp->nangles; i++, n++) { |
505 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", XZarr[n][0]); |
506 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", XZarr[n][1]); |
507 |
> |
} |
508 |
> |
fputc('\n', cfp[CIE_X]); |
509 |
> |
fputc('\n', cfp[CIE_Z]); |
510 |
> |
} |
511 |
> |
free(XZarr); |
512 |
> |
if (fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z])) { |
513 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
514 |
> |
exit(1); |
515 |
> |
} |
516 |
|
} |
517 |
|
|
518 |
+ |
#if defined(_WIN32) || defined(_WIN64) |
519 |
+ |
/* Execute wrapBSDF command (may never return) */ |
520 |
+ |
static int |
521 |
+ |
wrap_up(void) |
522 |
+ |
{ |
523 |
+ |
char cmd[8192]; |
524 |
+ |
|
525 |
+ |
if (bsdf_manuf[0]) { |
526 |
+ |
add_wbsdf("-f", 1); |
527 |
+ |
strcpy(cmd, "m="); |
528 |
+ |
strcpy(cmd+2, bsdf_manuf); |
529 |
+ |
add_wbsdf(cmd, 0); |
530 |
+ |
} |
531 |
+ |
if (bsdf_name[0]) { |
532 |
+ |
add_wbsdf("-f", 1); |
533 |
+ |
strcpy(cmd, "n="); |
534 |
+ |
strcpy(cmd+2, bsdf_name); |
535 |
+ |
add_wbsdf(cmd, 0); |
536 |
+ |
} |
537 |
+ |
if (!convert_commandline(cmd, sizeof(cmd), wrapBSDF)) { |
538 |
+ |
fputs(progname, stderr); |
539 |
+ |
fputs(": command line too long in wrap_up()\n", stderr); |
540 |
+ |
return(1); |
541 |
+ |
} |
542 |
+ |
return(system(cmd)); |
543 |
+ |
} |
544 |
+ |
#else |
545 |
+ |
/* Execute wrapBSDF command (may never return) */ |
546 |
+ |
static int |
547 |
+ |
wrap_up(void) |
548 |
+ |
{ |
549 |
+ |
char buf[256]; |
550 |
+ |
char *compath = getpath((char *)wrapBSDF[0], getenv("PATH"), X_OK); |
551 |
+ |
|
552 |
+ |
if (compath == NULL) { |
553 |
+ |
fprintf(stderr, "%s: cannot locate %s\n", progname, wrapBSDF[0]); |
554 |
+ |
return(1); |
555 |
+ |
} |
556 |
+ |
if (bsdf_manuf[0]) { |
557 |
+ |
add_wbsdf("-f", 1); |
558 |
+ |
strcpy(buf, "m="); |
559 |
+ |
strcpy(buf+2, bsdf_manuf); |
560 |
+ |
add_wbsdf(buf, 0); |
561 |
+ |
} |
562 |
+ |
if (bsdf_name[0]) { |
563 |
+ |
add_wbsdf("-f", 1); |
564 |
+ |
strcpy(buf, "n="); |
565 |
+ |
strcpy(buf+2, bsdf_name); |
566 |
+ |
add_wbsdf(buf, 0); |
567 |
+ |
} |
568 |
+ |
execv(compath, wrapBSDF); /* successful call never returns */ |
569 |
+ |
perror(compath); |
570 |
+ |
return(1); |
571 |
+ |
} |
572 |
+ |
#endif |
573 |
+ |
|
574 |
|
/* Read in BSDF and interpolate as Klems matrix representation */ |
575 |
|
int |
576 |
|
main(int argc, char *argv[]) |
577 |
|
{ |
578 |
|
int dofwd = 0, dobwd = 1; |
579 |
+ |
char buf[2048]; |
580 |
|
char *cp; |
581 |
|
int i, na; |
582 |
|
|
598 |
|
break; |
599 |
|
case 'f': |
600 |
|
if (!argv[i][2]) { |
601 |
< |
fcompile(argv[++i]); |
602 |
< |
single_plane_incident = 0; |
601 |
> |
if (strchr(argv[++i], '=') != NULL) { |
602 |
> |
add_wbsdf("-f", 1); |
603 |
> |
add_wbsdf(argv[i], 1); |
604 |
> |
} else { |
605 |
> |
char *fpath = getpath(argv[i], |
606 |
> |
getrlibpath(), 0); |
607 |
> |
if (fpath == NULL) { |
608 |
> |
fprintf(stderr, |
609 |
> |
"%s: cannot find file '%s'\n", |
610 |
> |
argv[0], argv[i]); |
611 |
> |
return(1); |
612 |
> |
} |
613 |
> |
fcompile(fpath); |
614 |
> |
single_plane_incident = 0; |
615 |
> |
} |
616 |
|
} else |
617 |
|
dofwd = (argv[i][0] == '+'); |
618 |
|
break; |
620 |
|
dobwd = (argv[i][0] == '+'); |
621 |
|
break; |
622 |
|
case 'h': |
623 |
< |
kbasis = "LBNL/Klems Half"; |
623 |
> |
kbasis = klems_half; |
624 |
> |
add_wbsdf("-a", 1); |
625 |
> |
add_wbsdf("kh", 1); |
626 |
|
break; |
627 |
|
case 'q': |
628 |
< |
kbasis = "LBNL/Klems Quarter"; |
628 |
> |
kbasis = klems_quarter; |
629 |
> |
add_wbsdf("-a", 1); |
630 |
> |
add_wbsdf("kq", 1); |
631 |
|
break; |
632 |
+ |
case 'l': |
633 |
+ |
lobe_lim = atoi(argv[++i]); |
634 |
+ |
break; |
635 |
+ |
case 'p': |
636 |
+ |
do_prog = atoi(argv[i]+2); |
637 |
+ |
break; |
638 |
+ |
case 'C': |
639 |
+ |
add_wbsdf(argv[i], 1); |
640 |
+ |
add_wbsdf(argv[++i], 1); |
641 |
+ |
break; |
642 |
|
default: |
643 |
|
goto userr; |
644 |
|
} |
645 |
+ |
if (kbasis == klems_full) { /* default (full) basis? */ |
646 |
+ |
add_wbsdf("-a", 1); |
647 |
+ |
add_wbsdf("kf", 1); |
648 |
+ |
} |
649 |
+ |
strcpy(buf, "File produced by: "); |
650 |
+ |
if (convert_commandline(buf+18, sizeof(buf)-18, argv) != NULL) { |
651 |
+ |
add_wbsdf("-C", 1); add_wbsdf(buf, 0); |
652 |
+ |
} |
653 |
|
if (single_plane_incident >= 0) { /* function-based BSDF? */ |
654 |
< |
if (i != argc-1 || fundefined(argv[i]) != 6) { |
654 |
> |
if (i != argc-1 || fundefined(argv[i]) < 3) { |
655 |
|
fprintf(stderr, |
656 |
|
"%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", |
657 |
|
progname); |
658 |
+ |
fprintf(stderr, "\tor 3 arguments using Dx,Dy,Dz: bsdf(ix,iy,iz)\n"); |
659 |
|
goto userr; |
660 |
|
} |
661 |
< |
xml_header(argc, argv); /* start XML output */ |
419 |
< |
xml_prologue(NULL); |
661 |
> |
++eclock; |
662 |
|
if (dofwd) { |
663 |
|
input_orient = -1; |
664 |
|
output_orient = -1; |
665 |
< |
eval_function(argv[i]); /* outside reflectance */ |
665 |
> |
prog_start("Evaluating outside reflectance"); |
666 |
> |
eval_function(argv[i]); |
667 |
|
output_orient = 1; |
668 |
< |
eval_function(argv[i]); /* outside -> inside */ |
668 |
> |
prog_start("Evaluating outside->inside transmission"); |
669 |
> |
eval_function(argv[i]); |
670 |
|
} |
671 |
|
if (dobwd) { |
672 |
|
input_orient = 1; |
673 |
|
output_orient = 1; |
674 |
< |
eval_function(argv[i]); /* inside reflectance */ |
674 |
> |
prog_start("Evaluating inside reflectance"); |
675 |
> |
eval_function(argv[i]); |
676 |
|
output_orient = -1; |
677 |
< |
eval_function(argv[i]); /* inside -> outside */ |
677 |
> |
prog_start("Evaluating inside->outside transmission"); |
678 |
> |
eval_function(argv[i]); |
679 |
|
} |
680 |
< |
xml_epilogue(); /* finish XML output & exit */ |
435 |
< |
return(0); |
680 |
> |
return(wrap_up()); |
681 |
|
} |
682 |
|
/* XML input? */ |
683 |
|
if (i == argc-1 && (cp = argv[i]+strlen(argv[i])-4) > argv[i] && |
684 |
|
!strcasecmp(cp, ".xml")) { |
440 |
– |
xml_header(argc, argv); /* start XML output */ |
685 |
|
eval_bsdf(argv[i]); /* load & resample BSDF */ |
686 |
< |
xml_epilogue(); /* finish XML output & exit */ |
443 |
< |
return(0); |
686 |
> |
return(wrap_up()); |
687 |
|
} |
688 |
|
if (i < argc) { /* open input files if given */ |
689 |
|
int nbsdf = 0; |
690 |
|
for ( ; i < argc; i++) { /* interpolate each component */ |
691 |
+ |
char pbuf[256]; |
692 |
|
FILE *fpin = fopen(argv[i], "rb"); |
693 |
|
if (fpin == NULL) { |
694 |
|
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
698 |
|
if (!load_bsdf_rep(fpin)) |
699 |
|
return(1); |
700 |
|
fclose(fpin); |
701 |
< |
if (!nbsdf++) { /* start XML on first dist. */ |
702 |
< |
xml_header(argc, argv); |
459 |
< |
xml_prologue(NULL); |
460 |
< |
} |
701 |
> |
sprintf(pbuf, "Interpolating component '%s'", argv[i]); |
702 |
> |
prog_start(pbuf); |
703 |
|
eval_rbf(); |
704 |
|
} |
705 |
< |
xml_epilogue(); /* finish XML output & exit */ |
464 |
< |
return(0); |
705 |
> |
return(wrap_up()); |
706 |
|
} |
707 |
|
SET_FILE_BINARY(stdin); /* load from stdin */ |
708 |
|
if (!load_bsdf_rep(stdin)) |
709 |
|
return(1); |
710 |
< |
xml_header(argc, argv); /* start XML output */ |
470 |
< |
xml_prologue(NULL); |
710 |
> |
prog_start("Interpolating from standard input"); |
711 |
|
eval_rbf(); /* resample dist. */ |
712 |
< |
xml_epilogue(); /* finish XML output & exit */ |
473 |
< |
return(0); |
712 |
> |
return(wrap_up()); |
713 |
|
userr: |
714 |
|
fprintf(stderr, |
715 |
< |
"Usage: %s [-n spp][-h|-q][bsdf.sir ..] > bsdf.xml\n", progname); |
715 |
> |
"Usage: %s [-n spp][-h|-q][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", progname); |
716 |
|
fprintf(stderr, |
717 |
|
" or: %s [-n spp][-h|-q] bsdf_in.xml > bsdf_out.xml\n", progname); |
718 |
|
fprintf(stderr, |