8 |
|
*/ |
9 |
|
|
10 |
|
#define _USE_MATH_DEFINES |
11 |
– |
#include <stdio.h> |
11 |
|
#include <stdlib.h> |
13 |
– |
#include <string.h> |
12 |
|
#include <math.h> |
13 |
+ |
#include <ctype.h> |
14 |
|
#include "random.h" |
15 |
|
#include "platform.h" |
16 |
|
#include "paths.h" |
30 |
|
static const char klems_quarter[] = "LBNL/Klems Quarter"; |
31 |
|
static const char *kbasis = klems_full; |
32 |
|
/* number of BSDF samples per patch */ |
33 |
< |
static int npsamps = 256; |
33 |
> |
static int npsamps = 1024; |
34 |
|
/* limit on number of RBF lobes */ |
35 |
|
static int lobe_lim = 15000; |
36 |
|
/* progress bar length */ |
40 |
|
static char *wrapBSDF[MAXCARG] = {"wrapBSDF", "-W", "-UU"}; |
41 |
|
static int wbsdfac = 3; |
42 |
|
|
43 |
< |
/* Add argument to wrapBSDF, allocating space if isstatic */ |
43 |
> |
/* Add argument to wrapBSDF, allocating space if !isstatic */ |
44 |
|
static void |
45 |
|
add_wbsdf(const char *arg, int isstatic) |
46 |
|
{ |
201 |
|
goto err; |
202 |
|
sum += sdv.cieY; |
203 |
|
if (rbf_colorimetry == RBCtristimulus) { |
205 |
– |
c_ccvt(&sdv.spec, C_CSXY); |
204 |
|
xsum += sdv.cieY * sdv.spec.cx; |
205 |
|
ysum += sdv.cieY * sdv.spec.cy; |
206 |
|
} |
250 |
|
goto err; |
251 |
|
sum += sdv.cieY; |
252 |
|
if (rbf_colorimetry == RBCtristimulus) { |
255 |
– |
c_ccvt(&sdv.spec, C_CSXY); |
253 |
|
xsum += sdv.cieY * sdv.spec.cx; |
254 |
|
ysum += sdv.cieY * sdv.spec.cy; |
255 |
|
} |
298 |
|
goto err; |
299 |
|
sum += sdv.cieY; |
300 |
|
if (rbf_colorimetry == RBCtristimulus) { |
304 |
– |
c_ccvt(&sdv.spec, C_CSXY); |
301 |
|
xsum += sdv.cieY * sdv.spec.cx; |
302 |
|
ysum += sdv.cieY * sdv.spec.cy; |
303 |
|
} |
347 |
|
goto err; |
348 |
|
sum += sdv.cieY; |
349 |
|
if (rbf_colorimetry == RBCtristimulus) { |
354 |
– |
c_ccvt(&sdv.spec, C_CSXY); |
350 |
|
xsum += sdv.cieY * sdv.spec.cx; |
351 |
|
ysum += sdv.cieY * sdv.spec.cy; |
352 |
|
} |
430 |
|
static void |
431 |
|
eval_rbf(void) |
432 |
|
{ |
433 |
< |
ANGLE_BASIS *abp = get_basis(kbasis); |
434 |
< |
float (*XZarr)[2] = NULL; |
435 |
< |
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
436 |
< |
FILE *cfp[3]; |
437 |
< |
FVECT vin, vout; |
438 |
< |
double sum, xsum, ysum; |
439 |
< |
int i, j, n; |
440 |
< |
/* sanity check */ |
441 |
< |
if (abp->nangles > MAXPATCHES) { |
442 |
< |
fprintf(stderr, "%s: too many patches!\n", progname); |
443 |
< |
exit(1); |
444 |
< |
} |
445 |
< |
if (rbf_colorimetry == RBCtristimulus) |
446 |
< |
XZarr = (float (*)[2])malloc(sizeof(float)*2*abp->nangles*abp->nangles); |
447 |
< |
for (i = 0; i < abp->nangles; i++) { |
448 |
< |
RBFNODE *rbf; |
449 |
< |
if (input_orient > 0) /* use incident patch center */ |
450 |
< |
fi_getvec(vin, i+.5*(i>0), abp); |
451 |
< |
else |
452 |
< |
bi_getvec(vin, i+.5*(i>0), abp); |
433 |
> |
ANGLE_BASIS *abp = get_basis(kbasis); |
434 |
> |
float (*XZarr)[2] = NULL; |
435 |
> |
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
436 |
> |
FILE *cfp[3]; |
437 |
> |
FVECT vin, vout; |
438 |
> |
double sum, xsum, ysum, normf; |
439 |
> |
int i, j, ni, no, nisamps, nosamps; |
440 |
> |
/* sanity check */ |
441 |
> |
if (abp->nangles > MAXPATCHES) { |
442 |
> |
fprintf(stderr, "%s: too many patches!\n", progname); |
443 |
> |
exit(1); |
444 |
> |
} |
445 |
> |
memset(bsdfarr, 0, sizeof(bsdfarr)); |
446 |
> |
if (rbf_colorimetry == RBCtristimulus) |
447 |
> |
XZarr = (float (*)[2])calloc(abp->nangles*abp->nangles, 2*sizeof(float)); |
448 |
> |
nosamps = (int)(pow((double)npsamps, 0.67) + .5); |
449 |
> |
nisamps = (npsamps + (nosamps>>1)) / nosamps; |
450 |
> |
normf = 1./(double)(nisamps*nosamps); |
451 |
> |
for (i = 0; i < abp->nangles; i++) { |
452 |
> |
for (ni = nisamps; ni--; ) { /* sample over incident patch */ |
453 |
> |
RBFNODE *rbf; |
454 |
> |
if (input_orient > 0) /* vary incident patch loc. */ |
455 |
> |
fi_getvec(vin, i+urand(ni), abp); |
456 |
> |
else |
457 |
> |
bi_getvec(vin, i+urand(ni), abp); |
458 |
|
|
459 |
< |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
459 |
> |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
460 |
|
|
461 |
< |
for (j = 0; j < abp->nangles; j++) { |
462 |
< |
sum = 0; /* sample over exiting patch */ |
461 |
> |
for (j = 0; j < abp->nangles; j++) { |
462 |
> |
sum = 0; /* sample over exiting patch */ |
463 |
|
xsum = ysum = 0; |
464 |
< |
for (n = npsamps; n--; ) { |
464 |
> |
for (no = nosamps; no--; ) { |
465 |
|
SDValue sdv; |
466 |
|
if (output_orient > 0) |
467 |
< |
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
467 |
> |
fo_getvec(vout, j+(no+frandom())/nosamps, abp); |
468 |
|
else |
469 |
< |
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
469 |
> |
bo_getvec(vout, j+(no+frandom())/nosamps, abp); |
470 |
|
|
471 |
|
eval_rbfcol(&sdv, rbf, vout); |
472 |
|
sum += sdv.cieY; |
473 |
< |
if (XZarr != NULL) { |
474 |
< |
c_ccvt(&sdv.spec, C_CSXY); |
473 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
474 |
|
xsum += sdv.cieY * sdv.spec.cx; |
475 |
|
ysum += sdv.cieY * sdv.spec.cy; |
476 |
< |
} |
476 |
> |
} |
477 |
|
} |
478 |
< |
n = j*abp->nangles + i; |
479 |
< |
bsdfarr[n] = sum / npsamps; |
480 |
< |
if (XZarr != NULL) { |
481 |
< |
XZarr[n][0] = xsum*sum/(npsamps*ysum); |
482 |
< |
XZarr[n][1] = (sum - xsum - ysum)*sum/(npsamps*ysum); |
478 |
> |
no = j*abp->nangles + i; |
479 |
> |
bsdfarr[no] += sum * normf; |
480 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
481 |
> |
XZarr[no][0] += xsum*sum*normf/ysum; |
482 |
> |
XZarr[no][1] += (sum - xsum - ysum)*sum*normf/ysum; |
483 |
|
} |
484 |
|
} |
485 |
< |
if (rbf != NULL) |
485 |
> |
if (rbf != NULL) |
486 |
|
free(rbf); |
488 |
– |
prog_show((i+1.)/abp->nangles); |
487 |
|
} |
488 |
< |
/* write out our matrix */ |
489 |
< |
cfp[CIE_Y] = open_component_file(CIE_Y); |
490 |
< |
n = 0; |
491 |
< |
for (j = 0; j < abp->nangles; j++) { |
492 |
< |
for (i = 0; i < abp->nangles; i++, n++) |
493 |
< |
fprintf(cfp[CIE_Y], "\t%.3e\n", bsdfarr[n]); |
494 |
< |
fputc('\n', cfp[CIE_Y]); |
495 |
< |
} |
496 |
< |
prog_done(); |
497 |
< |
if (fclose(cfp[CIE_Y])) { |
498 |
< |
fprintf(stderr, "%s: error writing Y output\n", progname); |
499 |
< |
exit(1); |
500 |
< |
} |
501 |
< |
if (XZarr == NULL) /* no color? */ |
502 |
< |
return; |
503 |
< |
cfp[CIE_X] = open_component_file(CIE_X); |
504 |
< |
cfp[CIE_Z] = open_component_file(CIE_Z); |
505 |
< |
n = 0; |
506 |
< |
for (j = 0; j < abp->nangles; j++) { |
507 |
< |
for (i = 0; i < abp->nangles; i++, n++) { |
508 |
< |
fprintf(cfp[CIE_X], "\t%.3e\n", XZarr[n][0]); |
509 |
< |
fprintf(cfp[CIE_Z], "\t%.3e\n", XZarr[n][1]); |
510 |
< |
} |
511 |
< |
fputc('\n', cfp[CIE_X]); |
512 |
< |
fputc('\n', cfp[CIE_Z]); |
513 |
< |
} |
514 |
< |
free(XZarr); |
515 |
< |
if (fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z])) { |
516 |
< |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
517 |
< |
exit(1); |
518 |
< |
} |
488 |
> |
prog_show((i+1.)/abp->nangles); |
489 |
> |
} |
490 |
> |
/* write out our matrix */ |
491 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
492 |
> |
no = 0; |
493 |
> |
for (j = 0; j < abp->nangles; j++) { |
494 |
> |
for (i = 0; i < abp->nangles; i++, no++) |
495 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", bsdfarr[no]); |
496 |
> |
fputc('\n', cfp[CIE_Y]); |
497 |
> |
} |
498 |
> |
prog_done(); |
499 |
> |
if (fclose(cfp[CIE_Y])) { |
500 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
501 |
> |
exit(1); |
502 |
> |
} |
503 |
> |
if (XZarr == NULL) /* no color? */ |
504 |
> |
return; |
505 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
506 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
507 |
> |
no = 0; |
508 |
> |
for (j = 0; j < abp->nangles; j++) { |
509 |
> |
for (i = 0; i < abp->nangles; i++, no++) { |
510 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", XZarr[no][0]); |
511 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", XZarr[no][1]); |
512 |
> |
} |
513 |
> |
fputc('\n', cfp[CIE_X]); |
514 |
> |
fputc('\n', cfp[CIE_Z]); |
515 |
> |
} |
516 |
> |
free(XZarr); |
517 |
> |
if (fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z])) { |
518 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
519 |
> |
exit(1); |
520 |
> |
} |
521 |
|
} |
522 |
|
|
523 |
|
#if defined(_WIN32) || defined(_WIN64) |
525 |
|
static int |
526 |
|
wrap_up(void) |
527 |
|
{ |
528 |
< |
char cmd[8192]; |
528 |
> |
char cmd[32700]; |
529 |
|
|
530 |
|
if (bsdf_manuf[0]) { |
531 |
|
add_wbsdf("-f", 1); |
576 |
|
} |
577 |
|
#endif |
578 |
|
|
579 |
+ |
#define HEAD_BUFLEN 8192 |
580 |
+ |
static char head_buf[HEAD_BUFLEN]; |
581 |
+ |
static int cur_headlen = 0; |
582 |
+ |
|
583 |
+ |
/* Record header line as comment associated with this SIR input */ |
584 |
+ |
static int |
585 |
+ |
record2header(char *s) |
586 |
+ |
{ |
587 |
+ |
int len = strlen(s); |
588 |
+ |
|
589 |
+ |
if (cur_headlen+len >= HEAD_BUFLEN-6) |
590 |
+ |
return(0); |
591 |
+ |
/* includes EOL */ |
592 |
+ |
strcpy(head_buf+cur_headlen, s); |
593 |
+ |
cur_headlen += len; |
594 |
+ |
|
595 |
+ |
#if defined(_WIN32) || defined(_WIN64) |
596 |
+ |
if (head_buf[cur_headlen-1] == '\n') |
597 |
+ |
head_buf[cur_headlen-1] = '\t'; |
598 |
+ |
#endif |
599 |
+ |
return(1); |
600 |
+ |
} |
601 |
+ |
|
602 |
+ |
/* Finish off header for this file */ |
603 |
+ |
static void |
604 |
+ |
done_header(void) |
605 |
+ |
{ |
606 |
+ |
while (cur_headlen > 0 && isspace(head_buf[cur_headlen-1])) |
607 |
+ |
--cur_headlen; |
608 |
+ |
head_buf[cur_headlen] = '\0'; |
609 |
+ |
if (!cur_headlen) |
610 |
+ |
return; |
611 |
+ |
add_wbsdf("-C", 1); |
612 |
+ |
add_wbsdf(head_buf, 0); |
613 |
+ |
head_buf[cur_headlen=0] = '\0'; |
614 |
+ |
} |
615 |
+ |
|
616 |
|
/* Read in BSDF and interpolate as Klems matrix representation */ |
617 |
|
int |
618 |
|
main(int argc, char *argv[]) |
644 |
|
add_wbsdf("-f", 1); |
645 |
|
add_wbsdf(argv[i], 1); |
646 |
|
} else { |
647 |
< |
fcompile(argv[i]); |
647 |
> |
char *fpath = getpath(argv[i], |
648 |
> |
getrlibpath(), 0); |
649 |
> |
if (fpath == NULL) { |
650 |
> |
fprintf(stderr, |
651 |
> |
"%s: cannot find file '%s'\n", |
652 |
> |
argv[0], argv[i]); |
653 |
> |
return(1); |
654 |
> |
} |
655 |
> |
fcompile(fpath); |
656 |
|
single_plane_incident = 0; |
657 |
|
} |
658 |
|
} else |
737 |
|
progname, argv[i]); |
738 |
|
return(1); |
739 |
|
} |
740 |
+ |
sprintf(pbuf, "%s:\n", argv[i]); |
741 |
+ |
record2header(pbuf); |
742 |
+ |
sir_headshare = &record2header; |
743 |
|
if (!load_bsdf_rep(fpin)) |
744 |
|
return(1); |
745 |
|
fclose(fpin); |
746 |
+ |
done_header(); |
747 |
|
sprintf(pbuf, "Interpolating component '%s'", argv[i]); |
748 |
|
prog_start(pbuf); |
749 |
|
eval_rbf(); |