9 |
|
|
10 |
|
#include <ctype.h> |
11 |
|
#include "rtio.h" |
12 |
< |
#include "rtprocess.h" |
12 |
> |
#include "paths.h" |
13 |
|
#include "ezxml.h" |
14 |
|
#include "bsdf.h" |
15 |
|
#include "bsdf_m.h" |
18 |
|
const char win6_template[] = "WINDOW6BSDFt.xml"; |
19 |
|
|
20 |
|
const char stdin_name[] = "<stdin>"; |
21 |
– |
|
21 |
|
/* input files (can be stdin_name) */ |
22 |
|
const char *xml_input = NULL; |
23 |
|
/* unit for materials & geometry */ |
25 |
|
const char legal_units[] = "meter|foot|inch|centimeter|millimeter"; |
26 |
|
/* system materials & geometry */ |
27 |
|
const char *mgf_geometry = NULL; |
28 |
< |
|
28 |
> |
/* comment list */ |
29 |
> |
#define MAXCOMM 30 |
30 |
> |
const char *commlist[MAXCOMM]; |
31 |
> |
int ncomm = 0; |
32 |
|
/* angle bases */ |
33 |
|
enum { ABdefault=-1, ABklemsFull=0, ABklemsHalf, ABklemsQuarter, |
34 |
|
ABtensorTree3, ABtensorTree4, ABend }; |
35 |
|
|
36 |
|
int angle_basis = ABdefault; |
37 |
|
|
38 |
+ |
int correct_solid_angle = 0; |
39 |
+ |
|
40 |
+ |
const char *klems_basis_name[] = { |
41 |
+ |
"LBNL/Klems Full", |
42 |
+ |
"LBNL/Klems Half", |
43 |
+ |
"LBNL/Klems Quarter", |
44 |
+ |
}; |
45 |
|
/* field IDs and nicknames */ |
46 |
|
struct s_fieldID { |
47 |
|
char nickName[4]; |
66 |
|
const char *field_assignment[MAXASSIGN]; |
67 |
|
int nfield_assign = 0; |
68 |
|
#define FASEP ';' |
60 |
– |
|
69 |
|
/* data file(s) & spectra */ |
70 |
|
enum { DTtransForward, DTtransBackward, DTreflForward, DTreflBackward }; |
71 |
|
|
72 |
< |
enum { DSsolar=-1, DSnir=-2, DSxbar31=-3, DSvisible=-4, DSzbar31=-5 }; |
72 |
> |
enum { DSsolar=-1, DSnir=-2, DSxbar31=-3, DSvisible=-4, DSzbar31=-5, |
73 |
> |
DSuprime=-6, DSvprime=-7 }; |
74 |
|
|
75 |
|
#define MAXFILES 20 |
76 |
|
|
163 |
|
fprintf(stderr, "%s: cannot open\n", inpspec); |
164 |
|
return ""; |
165 |
|
} |
166 |
+ |
#ifndef _WIN32 /* XXX somehow broken on Windows */ |
167 |
|
len = lseek(fd, 0L, SEEK_END); |
168 |
|
if (len > 0) { |
169 |
|
lseek(fd, 0L, SEEK_SET); |
182 |
|
close(fd); |
183 |
|
return str; |
184 |
|
} |
185 |
+ |
#endif |
186 |
|
fp = fdopen(fd, "r"); /* not a regular file */ |
187 |
|
} |
188 |
|
/* reading from stream */ |
300 |
|
if (xml_input == win6_template) |
301 |
|
for (i = 0; XMLfieldID[i].nickName[0]; i++) |
302 |
|
if (XMLfieldID[i].win_need && |
303 |
< |
!ezxml_txt(ezxml_child(wtl,XMLfieldID[i].fullName))[0]) { |
303 |
> |
!ezxml_txt(ezxml_child(wtl,XMLfieldID[i].fullName))[0]) |
304 |
|
fprintf(stderr, |
305 |
< |
"%s: missing required '%s' assignment for WINDOW <%s>\n", |
305 |
> |
"%s: warning - missing '%s' assignment for WINDOW <%s>\n", |
306 |
|
caller, XMLfieldID[i].nickName, |
307 |
|
XMLfieldID[i].fullName); |
308 |
< |
return 0; |
298 |
< |
} |
299 |
< |
return 1; /* no errors */ |
308 |
> |
return 1; |
309 |
|
} |
310 |
|
|
311 |
|
/* Complete angle basis specification */ |
387 |
|
return -1; |
388 |
|
} |
389 |
|
|
390 |
< |
/* Filter Klems angle basis, applying appropriate solid angle correction */ |
390 |
> |
/* Filter Klems angle basis, factoring out incident projected solid angle */ |
391 |
|
static int |
392 |
|
filter_klems_matrix(FILE *fp) |
393 |
|
{ |
394 |
|
#define MAX_COLUMNS 145 |
395 |
+ |
const char *bn = klems_basis_name[angle_basis]; |
396 |
|
float col_corr[MAX_COLUMNS]; |
387 |
– |
const char *bn; |
397 |
|
int i, j, n = nabases; |
398 |
|
/* get angle basis */ |
390 |
– |
switch (angle_basis) { |
391 |
– |
case ABklemsFull: bn = "LBNL/Klems Full"; break; |
392 |
– |
case ABklemsHalf: bn = "LBNL/Klems Half"; break; |
393 |
– |
case ABklemsQuarter: bn = "LBNL/Klems Quarter"; break; |
394 |
– |
default: |
395 |
– |
return 0; |
396 |
– |
} |
399 |
|
while (n-- > 0) |
400 |
|
if (!strcasecmp(bn, abase_list[n].name)) |
401 |
|
break; |
402 |
|
if (n < 0) |
403 |
|
return 0; |
404 |
|
if (abase_list[n].nangles > MAX_COLUMNS) { |
405 |
< |
fprintf(stderr, "Internal error - too many Klems columns!\n"); |
405 |
> |
fputs("Internal error - too many Klems columns!\n", stderr); |
406 |
|
return 0; |
407 |
|
} |
408 |
|
/* get correction factors */ |
414 |
|
double d; |
415 |
|
if (fscanf(fp, "%lf", &d) != 1) |
416 |
|
return 0; |
417 |
< |
printf(" %f", d*col_corr[j]); |
417 |
> |
if (d < -1e-3) { |
418 |
> |
fputs("Negative BSDF data!\n", stderr); |
419 |
> |
return 0; |
420 |
> |
} |
421 |
> |
printf(" %.3e", d*col_corr[j]*(d > 0)); |
422 |
|
} |
423 |
|
fputc('\n', stdout); |
424 |
|
} |
425 |
< |
return 1; |
425 |
> |
while ((i = getc(fp)) != EOF) |
426 |
> |
if (!isspace(i)) { |
427 |
> |
fputs("Unexpected data past EOF\n", stderr); |
428 |
> |
return 0; |
429 |
> |
} |
430 |
> |
return 1; /* all is good */ |
431 |
|
#undef MAX_COLUMNS |
432 |
|
} |
433 |
|
|
435 |
|
static int |
436 |
|
writeBSDFblock(const char *caller, struct s_dfile *df) |
437 |
|
{ |
438 |
< |
int klems_data = 0; |
438 |
> |
int correct_klems = correct_solid_angle; |
439 |
|
char *cp; |
440 |
|
|
441 |
|
puts("\t<WavelengthData>"); |
443 |
|
switch (df->spectrum) { |
444 |
|
case DSvisible: |
445 |
|
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>"); |
446 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
446 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
447 |
|
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>"); |
448 |
|
break; |
449 |
|
case DSxbar31: |
450 |
|
puts("\t\t<Wavelength unit=\"Integral\">CIE-X</Wavelength>"); |
451 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
451 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
452 |
|
puts("\t\t<DetectorSpectrum>ASTM E308 1931 X.dsp</DetectorSpectrum>"); |
453 |
|
break; |
454 |
|
case DSzbar31: |
455 |
|
puts("\t\t<Wavelength unit=\"Integral\">CIE-Z</Wavelength>"); |
456 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
456 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
457 |
|
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Z.dsp</DetectorSpectrum>"); |
458 |
|
break; |
459 |
+ |
case DSuprime: |
460 |
+ |
puts("\t\t<Wavelength unit=\"Integral\">CIE-u</Wavelength>"); |
461 |
+ |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
462 |
+ |
break; |
463 |
+ |
case DSvprime: |
464 |
+ |
puts("\t\t<Wavelength unit=\"Integral\">CIE-v</Wavelength>"); |
465 |
+ |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
466 |
+ |
break; |
467 |
|
case DSsolar: |
468 |
|
puts("\t\t<Wavelength unit=\"Integral\">Solar</Wavelength>"); |
469 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
469 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
470 |
|
puts("\t\t<DetectorSpectrum>None</DetectorSpectrum>"); |
471 |
|
break; |
472 |
|
case DSnir: |
473 |
|
puts("\t\t<Wavelength unit=\"Integral\">NIR</Wavelength>"); |
474 |
< |
puts("\t\tSourceSpectrum>PLACE_HOLDER</SourceSpectrum>"); |
474 |
> |
puts("\t\t<SourceSpectrum>PLACE_HOLDER</SourceSpectrum>"); |
475 |
|
puts("\t\t<DetectorSpectrum>PLACE_HOLDER</DetectorSpectrum>"); |
476 |
|
break; |
477 |
|
default: |
482 |
|
spectr_file[df->spectrum]); |
483 |
|
if (cp != NULL) |
484 |
|
*cp = '.'; |
485 |
< |
puts("\t\tSourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
485 |
> |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
486 |
|
printf("\t\t<DetectorSpectrum>%s</DetectorSpectrum>\n", |
487 |
|
spectr_file[df->spectrum]); |
488 |
|
break; |
507 |
|
return 0; |
508 |
|
} |
509 |
|
puts("</WavelengthDataDirection>"); |
491 |
– |
klems_data = 1; |
510 |
|
switch (angle_basis) { |
511 |
|
case ABklemsFull: |
494 |
– |
puts("\t\t\t<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis>"); |
495 |
– |
break; |
512 |
|
case ABklemsHalf: |
497 |
– |
puts("\t\t\t<ColumnAngleBasis>LBNL/Klems Half</ColumnAngleBasis>"); |
498 |
– |
break; |
513 |
|
case ABklemsQuarter: |
514 |
< |
puts("\t\t\t<ColumnAngleBasis>LBNL/Klems Quarter</ColumnAngleBasis>"); |
514 |
> |
fputs("\t\t\t<ColumnAngleBasis>", stdout); |
515 |
> |
fputs(klems_basis_name[angle_basis], stdout); |
516 |
> |
puts("</ColumnAngleBasis>"); |
517 |
> |
fputs("\t\t\t<RowAngleBasis>", stdout); |
518 |
> |
fputs(klems_basis_name[angle_basis], stdout); |
519 |
> |
puts("</RowAngleBasis>"); |
520 |
|
break; |
521 |
|
case ABtensorTree3: |
522 |
|
case ABtensorTree4: |
523 |
|
puts("\t\t\t<AngleBasis>LBNL/Shirley-Chiu</AngleBasis>"); |
524 |
< |
klems_data = 0; |
524 |
> |
correct_klems = 0; |
525 |
|
break; |
526 |
|
default: |
527 |
|
fprintf(stderr, "%s: bad angle basis (%d)\n", caller, angle_basis); |
530 |
|
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>"); |
531 |
|
puts("\t\t\t<ScatteringData>"); |
532 |
|
fflush(stdout); |
533 |
< |
if (klems_data) { |
533 |
> |
if (correct_klems) { /* correct Klems matrix data */ |
534 |
|
FILE *fp = stdin; |
535 |
|
if (df->fname[0] == '!') |
536 |
|
fp = popen(df->fname+1, "r"); |
588 |
|
free(xml); |
589 |
|
return 0; |
590 |
|
} |
591 |
+ |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
592 |
+ |
for (i = 0; i < ncomm; i++) |
593 |
+ |
printf("<!-- %s -->\n", commlist[i]); |
594 |
|
fflush(stdout); /* write previous XML info. */ |
595 |
|
if (write(fileno(stdout), xml, ei) != ei) { |
596 |
|
free(xml); |
722 |
|
{ |
723 |
|
fputs("Usage: ", stderr); |
724 |
|
fputs(pname, stderr); |
725 |
< |
fputs(" [-W][-a {kf|kh|kq|t3|t4}][-u unit][-g geom][-f 'x=string;y=string']", stderr); |
726 |
< |
fputs(" [-s spectr][-tb inp][-tf inp][-rb inp][-rf inp]", stderr); |
725 |
> |
fputs(" [-W][-c][-a {kf|kh|kq|t3|t4}][-u unit][-g geom][-f 'x=string;y=string']", stderr); |
726 |
> |
fputs(" [-s spectr][-tb inp][-tf inp][-rb inp][-rf inp][-C comm]", stderr); |
727 |
|
fputs(" [input.xml]\n", stderr); |
728 |
|
exit(1); |
729 |
|
} |
789 |
|
else |
790 |
|
UsageExit(argv[0]); |
791 |
|
continue; |
792 |
+ |
case 'c': /* correct solid angle */ |
793 |
+ |
correct_solid_angle = 1; |
794 |
+ |
continue; |
795 |
+ |
case 'C': /* comment */ |
796 |
+ |
if (ncomm >= MAXCOMM) { |
797 |
+ |
fprintf(stderr, "%s: too many comments\n", |
798 |
+ |
argv[0]); |
799 |
+ |
return 1; |
800 |
+ |
} |
801 |
+ |
if (strchr(argv[++i], '>') != NULL) { |
802 |
+ |
fprintf(stderr, "%s: illegal character in comment\n", |
803 |
+ |
argv[0]); |
804 |
+ |
return 1; |
805 |
+ |
} |
806 |
+ |
commlist[ncomm++] = argv[i]; |
807 |
+ |
continue; |
808 |
|
case 't': /* transmission */ |
809 |
|
if (i >= argc-1) |
810 |
|
UsageExit(argv[0]); |
846 |
|
argv[i] = (char *)stdin_name; |
847 |
|
} |
848 |
|
data_file[ndataf].fname = argv[i]; |
849 |
< |
data_file[ndataf++].spectrum = cur_spectrum; |
849 |
> |
data_file[ndataf].spectrum = cur_spectrum; |
850 |
> |
ndataf++; |
851 |
|
continue; |
852 |
|
case 's': /* spectrum name or input file */ |
853 |
|
if (++i >= argc) |
861 |
|
cur_spectrum = DSxbar31; |
862 |
|
else if (!strcasecmp(argv[i], "CIE-Z")) |
863 |
|
cur_spectrum = DSzbar31; |
864 |
+ |
else if (!strcasecmp(argv[i], "CIE-u")) |
865 |
+ |
cur_spectrum = DSuprime; |
866 |
+ |
else if (!strcasecmp(argv[i], "CIE-v")) |
867 |
+ |
cur_spectrum = DSvprime; |
868 |
|
else if (!strcasecmp(argv[i], "NIR")) |
869 |
|
cur_spectrum = DSnir; |
870 |
|
else { |
913 |
|
} else { |
914 |
|
xml_input = argv[i]; |
915 |
|
} |
873 |
– |
if ((xml_input == win6_template) & (angle_basis == ABdefault)) |
874 |
– |
angle_basis = ABklemsFull; |
916 |
|
/* wrap it! */ |
917 |
|
return !wrapBSDF(argv[0]); |
918 |
|
} |