17 |
|
#include "calcomp.h" |
18 |
|
#include "bsdfrep.h" |
19 |
|
#include "bsdf_m.h" |
20 |
+ |
/* assumed maximum # Klems patches */ |
21 |
+ |
#define MAXPATCHES 145 |
22 |
|
/* global argv[0] */ |
23 |
|
char *progname; |
24 |
|
/* selected basis function name */ |
38 |
|
return NULL; |
39 |
|
} |
40 |
|
|
41 |
< |
/* Output XML prologue to stdout */ |
41 |
> |
/* Output XML header to stdout */ |
42 |
|
static void |
43 |
< |
xml_prologue(int ac, char *av[]) |
43 |
> |
xml_header(int ac, char *av[]) |
44 |
|
{ |
43 |
– |
ANGLE_BASIS *abp = get_basis(kbasis); |
44 |
– |
int i; |
45 |
– |
|
46 |
– |
if (abp == NULL) { |
47 |
– |
fprintf(stderr, "%s: unknown angle basis '%s'\n", progname, kbasis); |
48 |
– |
exit(1); |
49 |
– |
} |
45 |
|
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
46 |
|
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\">"); |
47 |
|
fputs("<!-- File produced by:", stdout); |
50 |
|
fputs(*av++, stdout); |
51 |
|
} |
52 |
|
puts(" -->"); |
53 |
+ |
} |
54 |
+ |
|
55 |
+ |
/* Output XML prologue to stdout */ |
56 |
+ |
static void |
57 |
+ |
xml_prologue(const SDData *sd) |
58 |
+ |
{ |
59 |
+ |
const char *matn = (sd && sd->matn[0]) ? sd->matn : "Name"; |
60 |
+ |
const char *makr = (sd && sd->makr[0]) ? sd->makr : "Manufacturer"; |
61 |
+ |
ANGLE_BASIS *abp = get_basis(kbasis); |
62 |
+ |
int i; |
63 |
+ |
|
64 |
+ |
if (abp == NULL) { |
65 |
+ |
fprintf(stderr, "%s: unknown angle basis '%s'\n", progname, kbasis); |
66 |
+ |
exit(1); |
67 |
+ |
} |
68 |
|
puts("<WindowElementType>System</WindowElementType>"); |
69 |
|
puts("<FileType>BSDF</FileType>"); |
70 |
|
puts("<Optical>"); |
71 |
|
puts("<Layer>"); |
72 |
|
puts("\t<Material>"); |
73 |
< |
puts("\t\t<Name>Name</Name>"); |
74 |
< |
puts("\t\t<Manufacturer>Manufacturer</Manufacturer>"); |
73 |
> |
printf("\t\t<Name>%s</Name>\n", matn); |
74 |
> |
printf("\t\t<Manufacturer>%s</Manufacturer>\n", makr); |
75 |
> |
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>"); |
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>", abp->lat[i].nphis); |
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); |
164 |
|
SDclearBSDF(&bsd, fname); /* load BSDF file */ |
165 |
|
if ((ec = SDloadFile(&bsd, fname)) != SDEnone) |
166 |
|
goto err; |
167 |
+ |
xml_prologue(&bsd); /* pass geometry */ |
168 |
|
/* front reflection */ |
169 |
|
if (bsd.rf != NULL || bsd.rLambFront.cieY > .002) { |
170 |
|
input_orient = 1; output_orient = 1; |
174 |
|
sum = 0; /* average over patches */ |
175 |
|
for (n = npsamps; n-- > 0; ) { |
176 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
177 |
< |
fi_getvec(vin, i+(n+frandom())/npsamps, abp); |
177 |
> |
fi_getvec(vin, i+urand(n), abp); |
178 |
|
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
179 |
|
if (ec != SDEnone) |
180 |
|
goto err; |
195 |
|
sum = 0; /* average over patches */ |
196 |
|
for (n = npsamps; n-- > 0; ) { |
197 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
198 |
< |
bi_getvec(vin, i+(n+frandom())/npsamps, abp); |
198 |
> |
bi_getvec(vin, i+urand(n), abp); |
199 |
|
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
200 |
|
if (ec != SDEnone) |
201 |
|
goto err; |
216 |
|
sum = 0; /* average over patches */ |
217 |
|
for (n = npsamps; n-- > 0; ) { |
218 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
219 |
< |
fi_getvec(vin, i+(n+frandom())/npsamps, abp); |
219 |
> |
fi_getvec(vin, i+urand(n), abp); |
220 |
|
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
221 |
|
if (ec != SDEnone) |
222 |
|
goto err; |
229 |
|
data_epilogue(); |
230 |
|
} |
231 |
|
/* back transmission */ |
232 |
< |
if (bsd.tb != NULL) { |
232 |
> |
if ((bsd.tb != NULL) | (bsd.tf != NULL)) { |
233 |
|
input_orient = -1; output_orient = 1; |
234 |
|
data_prologue(); |
235 |
|
for (j = 0; j < abp->nangles; j++) { |
236 |
|
for (i = 0; i < abp->nangles; i++) { |
237 |
< |
sum = 0; /* average over patches */ |
237 |
> |
sum = 0; /* average over patches */ |
238 |
|
for (n = npsamps; n-- > 0; ) { |
239 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
240 |
< |
bi_getvec(vin, i+(n+frandom())/npsamps, abp); |
240 |
> |
bi_getvec(vin, i+urand(n), abp); |
241 |
|
ec = SDevalBSDF(&sv, vout, vin, &bsd); |
242 |
|
if (ec != SDEnone) |
243 |
|
goto err; |
261 |
|
eval_function(char *funame) |
262 |
|
{ |
263 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
264 |
+ |
int assignD = (fundefined(funame) < 6); |
265 |
|
double iovec[6]; |
266 |
|
double sum; |
267 |
|
int i, j, n; |
268 |
|
|
269 |
+ |
initurand(npsamps); |
270 |
|
data_prologue(); /* begin output */ |
271 |
|
for (j = 0; j < abp->nangles; j++) { /* run through directions */ |
272 |
|
for (i = 0; i < abp->nangles; i++) { |
278 |
|
bo_getvec(iovec+3, j+(n+frandom())/npsamps, abp); |
279 |
|
|
280 |
|
if (input_orient > 0) |
281 |
< |
fi_getvec(iovec, i+(n+frandom())/npsamps, abp); |
281 |
> |
fi_getvec(iovec, i+urand(n), abp); |
282 |
|
else |
283 |
< |
bi_getvec(iovec, i+(n+frandom())/npsamps, abp); |
283 |
> |
bi_getvec(iovec, i+urand(n), abp); |
284 |
|
|
285 |
+ |
if (assignD) { |
286 |
+ |
varset("Dx", '=', -iovec[3]); |
287 |
+ |
varset("Dy", '=', -iovec[4]); |
288 |
+ |
varset("Dz", '=', -iovec[5]); |
289 |
+ |
++eclock; |
290 |
+ |
} |
291 |
|
sum += funvalue(funame, 6, iovec); |
292 |
|
} |
293 |
|
printf("\t%.3e\n", sum/npsamps); |
301 |
|
static void |
302 |
|
eval_rbf(void) |
303 |
|
{ |
273 |
– |
#define MAXPATCHES 145 |
304 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
305 |
|
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
306 |
|
FVECT vin, vout; |
333 |
|
} |
334 |
|
bsdfarr[j*abp->nangles + i] = sum*output_orient/npsamps; |
335 |
|
} |
336 |
+ |
if (rbf != NULL) |
337 |
+ |
free(rbf); |
338 |
|
} |
339 |
|
n = 0; /* write out our matrix */ |
340 |
|
for (j = 0; j < abp->nangles; j++) { |
343 |
|
putchar('\n'); |
344 |
|
} |
345 |
|
data_epilogue(); /* finish output */ |
314 |
– |
#undef MAXPATCHES |
346 |
|
} |
347 |
|
|
348 |
|
/* Read in BSDF and interpolate as Klems matrix representation */ |
393 |
|
fprintf(stderr, |
394 |
|
"%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", |
395 |
|
progname); |
396 |
+ |
fprintf(stderr, "\tor 3 arguments using Dx,Dy,Dz: bsdf(ix,iy,iz)\n", |
397 |
+ |
progname); |
398 |
|
goto userr; |
399 |
|
} |
400 |
< |
xml_prologue(argc, argv); /* start XML output */ |
400 |
> |
++eclock; |
401 |
> |
xml_header(argc, argv); /* start XML output */ |
402 |
> |
xml_prologue(NULL); |
403 |
|
if (dofwd) { |
404 |
|
input_orient = -1; |
405 |
|
output_orient = -1; |
420 |
|
/* XML input? */ |
421 |
|
if (i == argc-1 && (cp = argv[i]+strlen(argv[i])-4) > argv[i] && |
422 |
|
!strcasecmp(cp, ".xml")) { |
423 |
< |
xml_prologue(argc, argv); /* start XML output */ |
423 |
> |
xml_header(argc, argv); /* start XML output */ |
424 |
|
eval_bsdf(argv[i]); /* load & resample BSDF */ |
425 |
|
xml_epilogue(); /* finish XML output & exit */ |
426 |
|
return(0); |
437 |
|
if (!load_bsdf_rep(fpin)) |
438 |
|
return(1); |
439 |
|
fclose(fpin); |
440 |
< |
if (!nbsdf++) /* start XML on first dist. */ |
441 |
< |
xml_prologue(argc, argv); |
440 |
> |
if (!nbsdf++) { /* start XML on first dist. */ |
441 |
> |
xml_header(argc, argv); |
442 |
> |
xml_prologue(NULL); |
443 |
> |
} |
444 |
|
eval_rbf(); |
445 |
|
} |
446 |
|
xml_epilogue(); /* finish XML output & exit */ |
449 |
|
SET_FILE_BINARY(stdin); /* load from stdin */ |
450 |
|
if (!load_bsdf_rep(stdin)) |
451 |
|
return(1); |
452 |
< |
xml_prologue(argc, argv); /* start XML output */ |
452 |
> |
xml_header(argc, argv); /* start XML output */ |
453 |
> |
xml_prologue(NULL); |
454 |
|
eval_rbf(); /* resample dist. */ |
455 |
|
xml_epilogue(); /* finish XML output & exit */ |
456 |
|
return(0); |
457 |
|
userr: |
458 |
|
fprintf(stderr, |
459 |
< |
"Usage: %s [-n spp][-h|-q][bsdf.sir ..] > bsdf.xml\n", |
422 |
< |
progname); |
459 |
> |
"Usage: %s [-n spp][-h|-q][bsdf.sir ..] > bsdf.xml\n", progname); |
460 |
|
fprintf(stderr, |
461 |
< |
" or: %s [-n spp][-h|-q] bsdf_in.xml > bsdf_out.xml\n", |
425 |
< |
progname); |
461 |
> |
" or: %s [-n spp][-h|-q] bsdf_in.xml > bsdf_out.xml\n", progname); |
462 |
|
fprintf(stderr, |
463 |
|
" or: %s [-n spp][-h|-q][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |
464 |
|
progname); |