7 |
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* G. Ward February 2015 |
8 |
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*/ |
9 |
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|
10 |
+ |
#include "platform.h" |
11 |
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#include <ctype.h> |
12 |
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#include "rtio.h" |
13 |
< |
#include "rtprocess.h" |
13 |
> |
#include "paths.h" |
14 |
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#include "ezxml.h" |
15 |
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#include "bsdf.h" |
16 |
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#include "bsdf_m.h" |
19 |
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const char win6_template[] = "WINDOW6BSDFt.xml"; |
20 |
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|
21 |
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const char stdin_name[] = "<stdin>"; |
21 |
– |
|
22 |
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/* input files (can be stdin_name) */ |
23 |
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const char *xml_input = NULL; |
24 |
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/* unit for materials & geometry */ |
26 |
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const char legal_units[] = "meter|foot|inch|centimeter|millimeter"; |
27 |
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/* system materials & geometry */ |
28 |
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const char *mgf_geometry = NULL; |
29 |
< |
|
30 |
< |
/* angle basis */ |
29 |
> |
/* comment list */ |
30 |
> |
#define MAXCOMM 30 |
31 |
> |
const char *commlist[MAXCOMM]; |
32 |
> |
int ncomm = 0; |
33 |
> |
/* angle bases */ |
34 |
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enum { ABdefault=-1, ABklemsFull=0, ABklemsHalf, ABklemsQuarter, |
35 |
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ABtensorTree3, ABtensorTree4, ABend }; |
36 |
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|
37 |
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int angle_basis = ABdefault; |
38 |
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|
39 |
+ |
int correct_solid_angle = 0; |
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+ |
|
41 |
+ |
const char *klems_basis_name[] = { |
42 |
+ |
"LBNL/Klems Full", |
43 |
+ |
"LBNL/Klems Half", |
44 |
+ |
"LBNL/Klems Quarter", |
45 |
+ |
}; |
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/* field IDs and nicknames */ |
47 |
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struct s_fieldID { |
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char nickName[4]; |
67 |
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const char *field_assignment[MAXASSIGN]; |
68 |
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int nfield_assign = 0; |
69 |
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#define FASEP ';' |
60 |
– |
|
70 |
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/* data file(s) & spectra */ |
71 |
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enum { DTtransForward, DTtransBackward, DTreflForward, DTreflBackward }; |
72 |
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|
73 |
< |
enum { DSsolar=-1, DSnir=-2, DSxbar31=-3, DSvisible=-4, DSzbar31=-5 }; |
73 |
> |
enum { DSsolar=-1, DSnir=-2, DSxbar31=-3, DSvisible=-4, DSzbar31=-5, |
74 |
> |
DSuprime=-6, DSvprime=-7 }; |
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|
76 |
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#define MAXFILES 20 |
77 |
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|
83 |
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|
84 |
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int ndataf = 0; /* number of data files */ |
85 |
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|
86 |
+ |
int unlink_datafiles = 0; /* unlink data files when done */ |
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|
88 |
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const char *spectr_file[MAXFILES]; /* custom spectral curve input */ |
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|
90 |
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const char top_level_name[] = "WindowElement"; |
166 |
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fprintf(stderr, "%s: cannot open\n", inpspec); |
167 |
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return ""; |
168 |
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} |
169 |
+ |
#if !defined(_WIN32) && !defined(_WIN64) |
170 |
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/* XXX somehow broken on Windows */ |
171 |
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len = lseek(fd, 0L, SEEK_END); |
172 |
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if (len > 0) { |
173 |
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lseek(fd, 0L, SEEK_SET); |
186 |
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close(fd); |
187 |
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return str; |
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} |
189 |
+ |
#endif |
190 |
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fp = fdopen(fd, "r"); /* not a regular file */ |
191 |
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} |
192 |
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/* reading from stream */ |
236 |
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for (i = 0; i < nfield_assign; i++) { |
237 |
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const char *fnext = field_assignment[i]; |
238 |
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for ( ; ; ) { |
239 |
+ |
int added = 0; |
240 |
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ezxml_t fld; |
241 |
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char sbuf[512]; |
242 |
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int j; |
269 |
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fprintf(stderr, |
270 |
|
"%s: warning - adding tag <%s>\n", |
271 |
|
fn, sbuf); |
272 |
+ |
ezxml_add_txt(wtl, "\t"); |
273 |
|
fld = ezxml_add_child_d(wtl, sbuf, strlen(wtl->txt)); |
274 |
+ |
++added; |
275 |
|
} |
276 |
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if (XMLfieldID[j].has_unit) |
277 |
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ezxml_set_attr(fld, "unit", attr_unit); |
295 |
|
} |
296 |
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sbuf[j] = '\0'; |
297 |
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ezxml_set_txt_d(fld, sbuf); |
298 |
+ |
if (added) |
299 |
+ |
ezxml_add_txt(wtl, "\n\t"); |
300 |
|
fnext += (*fnext == FASEP); |
301 |
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} |
302 |
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} |
304 |
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if (xml_input == win6_template) |
305 |
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for (i = 0; XMLfieldID[i].nickName[0]; i++) |
306 |
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if (XMLfieldID[i].win_need && |
307 |
< |
!ezxml_txt(ezxml_child(wtl,XMLfieldID[i].fullName))[0]) { |
307 |
> |
!ezxml_txt(ezxml_child(wtl,XMLfieldID[i].fullName))[0]) |
308 |
|
fprintf(stderr, |
309 |
< |
"%s: missing required '%s' assignment for WINDOW <%s>\n", |
309 |
> |
"%s: warning - missing '%s' assignment for WINDOW <%s>\n", |
310 |
|
caller, XMLfieldID[i].nickName, |
311 |
|
XMLfieldID[i].fullName); |
312 |
< |
return 0; |
293 |
< |
} |
294 |
< |
return 1; /* no errors */ |
312 |
> |
return 1; |
313 |
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} |
314 |
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|
315 |
|
/* Complete angle basis specification */ |
391 |
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return -1; |
392 |
|
} |
393 |
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|
394 |
+ |
/* Filter Klems angle basis, factoring out incident projected solid angle */ |
395 |
+ |
static int |
396 |
+ |
filter_klems_matrix(FILE *fp) |
397 |
+ |
{ |
398 |
+ |
const char *bn = klems_basis_name[angle_basis]; |
399 |
+ |
int i, j, n = nabases; |
400 |
+ |
/* get angle basis */ |
401 |
+ |
while (n-- > 0) |
402 |
+ |
if (!strcasecmp(bn, abase_list[n].name)) |
403 |
+ |
break; |
404 |
+ |
if (n < 0) |
405 |
+ |
return 0; |
406 |
+ |
/* read/correct/write matrix */ |
407 |
+ |
for (i = 0; i < abase_list[n].nangles; i++) { |
408 |
+ |
const double corr = 1./io_getohm(i, &abase_list[n]); |
409 |
+ |
for (j = 0; j < abase_list[n].nangles; j++) { |
410 |
+ |
double d; |
411 |
+ |
if (fscanf(fp, "%lf", &d) != 1) |
412 |
+ |
return 0; |
413 |
+ |
if (d < -1e-3) { |
414 |
+ |
fputs("Negative BSDF data!\n", stderr); |
415 |
+ |
return 0; |
416 |
+ |
} |
417 |
+ |
printf(" %.3e", d*corr*(d > 0)); |
418 |
+ |
} |
419 |
+ |
fputc('\n', stdout); |
420 |
+ |
} |
421 |
+ |
while ((i = getc(fp)) != EOF) |
422 |
+ |
if (!isspace(i)) { |
423 |
+ |
fputs("Unexpected data past EOF\n", stderr); |
424 |
+ |
return 0; |
425 |
+ |
} |
426 |
+ |
return 1; /* all is good */ |
427 |
+ |
} |
428 |
+ |
|
429 |
|
/* Write out BSDF data block with surrounding tags */ |
430 |
|
static int |
431 |
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writeBSDFblock(const char *caller, struct s_dfile *df) |
432 |
|
{ |
433 |
+ |
int correct_klems = correct_solid_angle; |
434 |
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char *cp; |
435 |
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|
436 |
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puts("\t<WavelengthData>"); |
438 |
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switch (df->spectrum) { |
439 |
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case DSvisible: |
440 |
|
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>"); |
441 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
441 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
442 |
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puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>"); |
443 |
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break; |
444 |
|
case DSxbar31: |
445 |
|
puts("\t\t<Wavelength unit=\"Integral\">CIE-X</Wavelength>"); |
446 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
446 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
447 |
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puts("\t\t<DetectorSpectrum>ASTM E308 1931 X.dsp</DetectorSpectrum>"); |
448 |
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break; |
449 |
|
case DSzbar31: |
450 |
|
puts("\t\t<Wavelength unit=\"Integral\">CIE-Z</Wavelength>"); |
451 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
451 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
452 |
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puts("\t\t<DetectorSpectrum>ASTM E308 1931 Z.dsp</DetectorSpectrum>"); |
453 |
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break; |
454 |
+ |
case DSuprime: |
455 |
+ |
puts("\t\t<Wavelength unit=\"Integral\">CIE-u</Wavelength>"); |
456 |
+ |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
457 |
+ |
break; |
458 |
+ |
case DSvprime: |
459 |
+ |
puts("\t\t<Wavelength unit=\"Integral\">CIE-v</Wavelength>"); |
460 |
+ |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
461 |
+ |
break; |
462 |
|
case DSsolar: |
463 |
|
puts("\t\t<Wavelength unit=\"Integral\">Solar</Wavelength>"); |
464 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
464 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
465 |
|
puts("\t\t<DetectorSpectrum>None</DetectorSpectrum>"); |
466 |
|
break; |
467 |
|
case DSnir: |
468 |
|
puts("\t\t<Wavelength unit=\"Integral\">NIR</Wavelength>"); |
469 |
< |
puts("\t\tSourceSpectrum>PLACE_HOLDER</SourceSpectrum>"); |
469 |
> |
puts("\t\t<SourceSpectrum>PLACE_HOLDER</SourceSpectrum>"); |
470 |
|
puts("\t\t<DetectorSpectrum>PLACE_HOLDER</DetectorSpectrum>"); |
471 |
|
break; |
472 |
|
default: |
477 |
|
spectr_file[df->spectrum]); |
478 |
|
if (cp != NULL) |
479 |
|
*cp = '.'; |
480 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
480 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
481 |
|
printf("\t\t<DetectorSpectrum>%s</DetectorSpectrum>\n", |
482 |
|
spectr_file[df->spectrum]); |
483 |
|
break; |
504 |
|
puts("</WavelengthDataDirection>"); |
505 |
|
switch (angle_basis) { |
506 |
|
case ABklemsFull: |
445 |
– |
puts("\t\t\t<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis>"); |
446 |
– |
break; |
507 |
|
case ABklemsHalf: |
448 |
– |
puts("\t\t\t<ColumnAngleBasis>LBNL/Klems Half</ColumnAngleBasis>"); |
449 |
– |
break; |
508 |
|
case ABklemsQuarter: |
509 |
< |
puts("\t\t\t<ColumnAngleBasis>LBNL/Klems Quarter</ColumnAngleBasis>"); |
509 |
> |
fputs("\t\t\t<ColumnAngleBasis>", stdout); |
510 |
> |
fputs(klems_basis_name[angle_basis], stdout); |
511 |
> |
puts("</ColumnAngleBasis>"); |
512 |
> |
fputs("\t\t\t<RowAngleBasis>", stdout); |
513 |
> |
fputs(klems_basis_name[angle_basis], stdout); |
514 |
> |
puts("</RowAngleBasis>"); |
515 |
|
break; |
516 |
|
case ABtensorTree3: |
517 |
|
case ABtensorTree4: |
518 |
|
puts("\t\t\t<AngleBasis>LBNL/Shirley-Chiu</AngleBasis>"); |
519 |
+ |
correct_klems = 0; |
520 |
|
break; |
521 |
|
default: |
522 |
|
fprintf(stderr, "%s: bad angle basis (%d)\n", caller, angle_basis); |
525 |
|
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>"); |
526 |
|
puts("\t\t\t<ScatteringData>"); |
527 |
|
fflush(stdout); |
528 |
< |
if (df->fname == stdin_name) { |
528 |
> |
if (correct_klems) { /* correct Klems matrix data */ |
529 |
> |
FILE *fp = stdin; |
530 |
> |
if (df->fname[0] == '!') |
531 |
> |
fp = popen(df->fname+1, "r"); |
532 |
> |
else if (df->fname != stdin_name) |
533 |
> |
fp = fopen(df->fname, "r"); |
534 |
> |
if (fp == NULL) { |
535 |
> |
fprintf(stderr, "%s: cannot open '%s'\n", |
536 |
> |
caller, df->fname); |
537 |
> |
return 0; |
538 |
> |
} |
539 |
> |
if (!filter_klems_matrix(fp)) { |
540 |
> |
fprintf(stderr, "%s: Klems data error from '%s'\n", |
541 |
> |
caller, df->fname); |
542 |
> |
return 0; |
543 |
> |
} |
544 |
> |
if (df->fname[0] != '!') { |
545 |
> |
fclose(fp); |
546 |
> |
} else if (pclose(fp)) { |
547 |
> |
fprintf(stderr, "%s: error running '%s'\n", |
548 |
> |
caller, df->fname); |
549 |
> |
return 0; |
550 |
> |
} |
551 |
> |
} else if (df->fname == stdin_name) { |
552 |
|
copy_and_close(fileno(stdin)); |
553 |
|
} else if (df->fname[0] != '!') { |
554 |
|
if (!copy_and_close(open(df->fname, O_RDONLY))) { |
583 |
|
free(xml); |
584 |
|
return 0; |
585 |
|
} |
586 |
+ |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
587 |
+ |
for (i = 0; i < ncomm; i++) |
588 |
+ |
printf("<!-- %s -->\n", commlist[i]); |
589 |
|
fflush(stdout); /* write previous XML info. */ |
590 |
|
if (write(fileno(stdout), xml, ei) != ei) { |
591 |
|
free(xml); |
599 |
|
fputs(xml+ei, stdout); /* write trailer */ |
600 |
|
free(xml); /* free string */ |
601 |
|
fputc('\n', stdout); |
602 |
< |
return (fflush(stdout) == 0); |
602 |
> |
if (fflush(stdout) != 0) |
603 |
> |
return 0; |
604 |
> |
/* unlink data files if req. */ |
605 |
> |
for (i = ndataf*(unlink_datafiles != 0); i--; ) |
606 |
> |
if (data_file[i].fname != stdin_name && |
607 |
> |
data_file[i].fname[0] != '!') |
608 |
> |
unlink(data_file[i].fname); |
609 |
> |
if (unlink_datafiles > 1 && mgf_geometry != NULL && |
610 |
> |
mgf_geometry != stdin_name && |
611 |
> |
mgf_geometry[0] != '!') |
612 |
> |
unlink(mgf_geometry); |
613 |
> |
return 1; |
614 |
|
} |
615 |
|
|
616 |
|
/* Insert BSDF data into XML wrapper */ |
694 |
|
ezxml_t ab, dd = ezxml_child(wtl, "DataDefinition"); |
695 |
|
if (dd != NULL) { |
696 |
|
offset = dd->off; |
697 |
< |
fprintf(stderr, |
697 |
> |
if (dd->child != NULL) |
698 |
> |
fprintf(stderr, |
699 |
|
"%s: warning - replacing existing <DataDefinition> in '%s'\n", |
700 |
|
caller, xml_path); |
701 |
|
ezxml_remove(dd); |
728 |
|
{ |
729 |
|
fputs("Usage: ", stderr); |
730 |
|
fputs(pname, stderr); |
731 |
< |
fputs(" [-W][-a {kf|kh|kq|t3|t4}][-u unit][-g geom][-f 'x=string;y=string']", stderr); |
732 |
< |
fputs(" [-s spectr][-tb inp][-tf inp][-rb inp][-rf inp]", stderr); |
731 |
> |
fputs(" [-W][-c][-a {kf|kh|kq|t3|t4}][-u unit][-g geom][-f 'x=string;y=string']", stderr); |
732 |
> |
fputs(" [-s spectr][-tb inp][-tf inp][-rb inp][-rf inp][-C comm]", stderr); |
733 |
|
fputs(" [input.xml]\n", stderr); |
734 |
|
exit(1); |
735 |
|
} |
774 |
|
} |
775 |
|
attr_unit = argv[i]; |
776 |
|
continue; |
777 |
+ |
case 'U': /* unlink data files when done */ |
778 |
+ |
unlink_datafiles = 1 + (argv[i][2] == 'U'); |
779 |
+ |
continue; |
780 |
|
case 'a': /* angle basis */ |
781 |
|
if (++i >= argc) |
782 |
|
UsageExit(argv[0]); |
798 |
|
else |
799 |
|
UsageExit(argv[0]); |
800 |
|
continue; |
801 |
+ |
case 'c': /* correct solid angle */ |
802 |
+ |
correct_solid_angle = 1; |
803 |
+ |
continue; |
804 |
+ |
case 'C': /* comment */ |
805 |
+ |
if (ncomm >= MAXCOMM) { |
806 |
+ |
fprintf(stderr, "%s: too many comments\n", |
807 |
+ |
argv[0]); |
808 |
+ |
return 1; |
809 |
+ |
} |
810 |
+ |
if (strchr(argv[++i], '>') != NULL) { |
811 |
+ |
fprintf(stderr, "%s: illegal character in comment\n", |
812 |
+ |
argv[0]); |
813 |
+ |
return 1; |
814 |
+ |
} |
815 |
+ |
commlist[ncomm++] = argv[i]; |
816 |
+ |
continue; |
817 |
|
case 't': /* transmission */ |
818 |
|
if (i >= argc-1) |
819 |
|
UsageExit(argv[0]); |
855 |
|
argv[i] = (char *)stdin_name; |
856 |
|
} |
857 |
|
data_file[ndataf].fname = argv[i]; |
858 |
< |
data_file[ndataf++].spectrum = cur_spectrum; |
858 |
> |
data_file[ndataf].spectrum = cur_spectrum; |
859 |
> |
ndataf++; |
860 |
|
continue; |
861 |
|
case 's': /* spectrum name or input file */ |
862 |
|
if (++i >= argc) |
870 |
|
cur_spectrum = DSxbar31; |
871 |
|
else if (!strcasecmp(argv[i], "CIE-Z")) |
872 |
|
cur_spectrum = DSzbar31; |
873 |
+ |
else if (!strcasecmp(argv[i], "CIE-u")) |
874 |
+ |
cur_spectrum = DSuprime; |
875 |
+ |
else if (!strcasecmp(argv[i], "CIE-v")) |
876 |
+ |
cur_spectrum = DSvprime; |
877 |
|
else if (!strcasecmp(argv[i], "NIR")) |
878 |
|
cur_spectrum = DSnir; |
879 |
|
else { |
922 |
|
} else { |
923 |
|
xml_input = argv[i]; |
924 |
|
} |
799 |
– |
if ((xml_input == win6_template) & (angle_basis == ABdefault)) |
800 |
– |
angle_basis = ABklemsFull; |
925 |
|
/* wrap it! */ |
926 |
|
return !wrapBSDF(argv[0]); |
927 |
|
} |