25 |
|
static const char *kbasis = "LBNL/Klems Full"; |
26 |
|
/* number of BSDF samples per patch */ |
27 |
|
static int npsamps = 256; |
28 |
+ |
/* limit on number of RBF lobes */ |
29 |
+ |
static int lobe_lim = 15000; |
30 |
|
|
31 |
|
/* Return angle basis corresponding to the given name */ |
32 |
|
ANGLE_BASIS * |
58 |
|
static void |
59 |
|
xml_prologue(const SDData *sd) |
60 |
|
{ |
61 |
< |
const char *matn = (sd && sd->matn[0]) ? sd->matn : "Name"; |
62 |
< |
const char *makr = (sd && sd->makr[0]) ? sd->makr : "Manufacturer"; |
61 |
> |
const char *matn = (sd && sd->matn[0]) ? sd->matn : |
62 |
> |
bsdf_name[0] ? bsdf_name : "Unknown"; |
63 |
> |
const char *makr = (sd && sd->makr[0]) ? sd->makr : |
64 |
> |
bsdf_manuf[0] ? bsdf_manuf : "Unknown"; |
65 |
|
ANGLE_BASIS *abp = get_basis(kbasis); |
66 |
|
int i; |
67 |
|
|
323 |
|
else |
324 |
|
bi_getvec(vin, i+.5*(i>0), abp); |
325 |
|
|
326 |
< |
rbf = advect_rbf(vin); /* compute radial basis func */ |
326 |
> |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
327 |
|
|
328 |
|
for (j = 0; j < abp->nangles; j++) { |
329 |
|
sum = 0; /* sample over exiting patch */ |
333 |
|
else |
334 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
335 |
|
|
336 |
< |
sum += eval_rbfrep(rbf, vout) / vout[2]; |
336 |
> |
sum += eval_rbfrep(rbf, vout); |
337 |
|
} |
338 |
< |
bsdfarr[j*abp->nangles + i] = sum*output_orient/npsamps; |
338 |
> |
fo_getvec(vout, j+.5, abp); /* use centered secant */ |
339 |
> |
bsdfarr[j*abp->nangles + i] = sum / (npsamps*vout[2]); |
340 |
|
} |
341 |
|
if (rbf != NULL) |
342 |
|
free(rbf); |
390 |
|
case 'q': |
391 |
|
kbasis = "LBNL/Klems Quarter"; |
392 |
|
break; |
393 |
+ |
case 'l': |
394 |
+ |
lobe_lim = atoi(argv[++i]); |
395 |
+ |
break; |
396 |
|
default: |
397 |
|
goto userr; |
398 |
|
} |
464 |
|
return(0); |
465 |
|
userr: |
466 |
|
fprintf(stderr, |
467 |
< |
"Usage: %s [-n spp][-h|-q][bsdf.sir ..] > bsdf.xml\n", progname); |
467 |
> |
"Usage: %s [-n spp][-h|-q][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", progname); |
468 |
|
fprintf(stderr, |
469 |
|
" or: %s [-n spp][-h|-q] bsdf_in.xml > bsdf_out.xml\n", progname); |
470 |
|
fprintf(stderr, |