5 |
|
* Plot 3-D BSDF output based on scattering interpolant or XML representation |
6 |
|
*/ |
7 |
|
|
8 |
– |
#include <stdio.h> |
9 |
– |
#include <string.h> |
8 |
|
#include <stdlib.h> |
9 |
+ |
#include "rtio.h" |
10 |
|
#include "paths.h" |
11 |
|
#include "rtmath.h" |
13 |
– |
#include "resolu.h" |
12 |
|
#include "bsdfrep.h" |
13 |
|
|
14 |
+ |
#ifndef NINCIDENT |
15 |
|
#define NINCIDENT 37 /* number of samples/hemisphere */ |
16 |
< |
|
16 |
> |
#endif |
17 |
> |
#ifndef GRIDSTEP |
18 |
|
#define GRIDSTEP 2 /* our grid step size */ |
19 |
+ |
#endif |
20 |
|
#define SAMPRES (GRIDRES/GRIDSTEP) |
21 |
|
|
22 |
|
int front_comp = 0; /* front component flags (SDsamp*) */ |
25 |
|
double min_log10; /* smallest log10 value for plotting */ |
26 |
|
double overall_max = .0; /* overall maximum BSDF value */ |
27 |
|
|
28 |
< |
char ourTempDir[TEMPLEN] = ""; /* our temporary directory */ |
28 |
> |
char ourTempDir[TEMPLEN+1] = ""; /* our temporary directory */ |
29 |
|
|
30 |
< |
const FVECT Xaxis = {1., 0., 0.}; |
31 |
< |
const FVECT Yaxis = {0., 1., 0.}; |
32 |
< |
const FVECT Zaxis = {0., 0., 1.}; |
33 |
< |
|
33 |
< |
const char frpref[] = "frefl"; |
34 |
< |
const char ftpref[] = "ftrans"; |
35 |
< |
const char brpref[] = "brefl"; |
36 |
< |
const char btpref[] = "btrans"; |
30 |
> |
const char frpref[] = "rf"; |
31 |
> |
const char ftpref[] = "tf"; |
32 |
> |
const char brpref[] = "rb"; |
33 |
> |
const char btpref[] = "tb"; |
34 |
|
const char dsuffix[] = ".txt"; |
35 |
|
|
36 |
< |
const char sph_mat[] = "BSDFmat"; |
36 |
> |
const char sph_fmat[] = "fBSDFmat"; |
37 |
> |
const char sph_bmat[] = "bBSDFmat"; |
38 |
|
const double sph_rad = 10.; |
39 |
|
const double sph_xoffset = 15.; |
40 |
|
|
41 |
|
#define bsdf_rad (sph_rad*.25) |
42 |
|
#define arrow_rad (bsdf_rad*.015) |
43 |
|
|
44 |
< |
#define FEQ(a,b) ((a)-(b) <= 1e-7 && (b)-(a) <= 1e-7) |
44 |
> |
#define set_minlog() overall_min = (overall_min < 1e-5) ? 1e-5 : overall_min; \ |
45 |
> |
min_log10 = log10(overall_min) - .1 |
46 |
|
|
48 |
– |
#define set_minlog() (min_log10 = log10(overall_min + 1e-5) - .1) |
49 |
– |
|
47 |
|
char *progname; |
48 |
|
|
49 |
|
/* Get Fibonacci sphere vector (0 to NINCIDENT-1) */ |
65 |
|
static RREAL * |
66 |
|
cvt_sposition(FVECT sp, const FVECT iv, int inc_side) |
67 |
|
{ |
68 |
< |
sp[0] = -iv[0]*sph_rad - inc_side*sph_xoffset; |
68 |
> |
sp[0] = -iv[0]*sph_rad + inc_side*sph_xoffset; |
69 |
|
sp[1] = -iv[1]*sph_rad; |
70 |
|
sp[2] = iv[2]*sph_rad; |
71 |
|
|
76 |
|
static char * |
77 |
|
tfile_name(const char *prefix, const char *suffix, int i) |
78 |
|
{ |
79 |
< |
static char buf[128]; |
79 |
> |
static char buf[256]; |
80 |
|
|
81 |
|
if (!ourTempDir[0]) { /* create temporary directory */ |
82 |
|
mktemp(strcpy(ourTempDir,TEMPLATE)); |
270 |
|
|
271 |
|
/* Put out mirror arrow for the given incident vector */ |
272 |
|
static void |
273 |
< |
put_mirror_arrow(const FVECT ivec, int inc_side) |
273 |
> |
put_mirror_arrow(const FVECT origin, const FVECT nrm) |
274 |
|
{ |
275 |
|
const double arrow_len = 1.2*bsdf_rad; |
276 |
|
const double tip_len = 0.2*bsdf_rad; |
277 |
< |
FVECT origin, refl; |
277 |
> |
static int cnt = 1; |
278 |
> |
FVECT refl; |
279 |
|
int i; |
280 |
|
|
281 |
< |
cvt_sposition(origin, ivec, inc_side); |
281 |
> |
refl[0] = 2.*nrm[2]*nrm[0]; |
282 |
> |
refl[1] = 2.*nrm[2]*nrm[1]; |
283 |
> |
refl[2] = 2.*nrm[2]*nrm[2] - 1.; |
284 |
|
|
285 |
< |
refl[0] = -2.*ivec[2]*ivec[0]; |
286 |
< |
refl[1] = -2.*ivec[2]*ivec[1]; |
287 |
< |
refl[2] = 2.*ivec[2]*ivec[2] - 1.; |
288 |
< |
|
289 |
< |
printf("\n# Mirror arrow\n"); |
290 |
< |
printf("\narrow_mat cylinder inc_dir\n0\n0\n7"); |
285 |
> |
printf("\n# Mirror arrow #%d\n", cnt); |
286 |
> |
printf("\nshaft_mat cylinder inc_dir%d\n0\n0\n7", cnt); |
287 |
|
printf("\n\t%f %f %f\n\t%f %f %f\n\t%f\n", |
288 |
|
origin[0], origin[1], origin[2]+arrow_len, |
289 |
|
origin[0], origin[1], origin[2], |
290 |
|
arrow_rad); |
291 |
< |
printf("\narrow_mat cylinder mir_dir\n0\n0\n7"); |
291 |
> |
printf("\nshaft_mat cylinder mir_dir%d\n0\n0\n7", cnt); |
292 |
|
printf("\n\t%f %f %f\n\t%f %f %f\n\t%f\n", |
293 |
|
origin[0], origin[1], origin[2], |
294 |
|
origin[0] + arrow_len*refl[0], |
295 |
|
origin[1] + arrow_len*refl[1], |
296 |
|
origin[2] + arrow_len*refl[2], |
297 |
|
arrow_rad); |
298 |
< |
printf("\narrow_mat cone mir_tip\n0\n0\n8"); |
298 |
> |
printf("\ntip_mat cone mir_tip%d\n0\n0\n8", cnt); |
299 |
|
printf("\n\t%f %f %f\n\t%f %f %f\n\t%f 0\n", |
300 |
|
origin[0] + (arrow_len-.5*tip_len)*refl[0], |
301 |
|
origin[1] + (arrow_len-.5*tip_len)*refl[1], |
304 |
|
origin[1] + (arrow_len+.5*tip_len)*refl[1], |
305 |
|
origin[2] + (arrow_len+.5*tip_len)*refl[2], |
306 |
|
2.*arrow_rad); |
307 |
+ |
++cnt; |
308 |
|
} |
309 |
|
|
310 |
|
/* Put out transmitted direction arrow for the given incident vector */ |
311 |
|
static void |
312 |
< |
put_trans_arrow(const FVECT ivec, int inc_side) |
312 |
> |
put_trans_arrow(const FVECT origin) |
313 |
|
{ |
314 |
|
const double arrow_len = 1.2*bsdf_rad; |
315 |
|
const double tip_len = 0.2*bsdf_rad; |
316 |
< |
FVECT origin; |
316 |
> |
static int cnt = 1; |
317 |
|
int i; |
318 |
|
|
319 |
< |
cvt_sposition(origin, ivec, inc_side); |
320 |
< |
|
324 |
< |
printf("\n# Transmission arrow\n"); |
325 |
< |
printf("\narrow_mat cylinder trans_dir\n0\n0\n7"); |
319 |
> |
printf("\n# Transmission arrow #%d\n", cnt); |
320 |
> |
printf("\nshaft_mat cylinder trans_dir%d\n0\n0\n7", cnt); |
321 |
|
printf("\n\t%f %f %f\n\t%f %f %f\n\t%f\n", |
322 |
|
origin[0], origin[1], origin[2], |
323 |
|
origin[0], origin[1], origin[2]-arrow_len, |
324 |
|
arrow_rad); |
325 |
< |
printf("\narrow_mat cone trans_tip\n0\n0\n8"); |
325 |
> |
printf("\ntip_mat cone trans_tip%d\n0\n0\n8", cnt); |
326 |
|
printf("\n\t%f %f %f\n\t%f %f %f\n\t%f 0\n", |
327 |
|
origin[0], origin[1], origin[2]-arrow_len+.5*tip_len, |
328 |
|
origin[0], origin[1], origin[2]-arrow_len-.5*tip_len, |
329 |
< |
2.*arrow_rad); |
329 |
> |
2.*arrow_rad); |
330 |
> |
++cnt; |
331 |
|
} |
332 |
|
|
333 |
|
/* Compute rotation (x,y,z) => (xp,yp,zp) */ |
346 |
|
return(4); |
347 |
|
} |
348 |
|
theta = atan2(yp[2], zp[2]); |
349 |
< |
if (!FEQ(theta,0.0)) { |
349 |
> |
if (!FABSEQ(theta,0.0)) { |
350 |
|
sprintf(xf, " -rx %f", theta*(180./PI)); |
351 |
|
while (*xf) ++xf; |
352 |
|
n += 2; |
353 |
|
} |
354 |
|
theta = Asin(-xp[2]); |
355 |
< |
if (!FEQ(theta,0.0)) { |
355 |
> |
if (!FABSEQ(theta,0.0)) { |
356 |
|
sprintf(xf, " -ry %f", theta*(180./PI)); |
357 |
|
while (*xf) ++xf; |
358 |
|
n += 2; |
359 |
|
} |
360 |
|
theta = atan2(xp[1], xp[0]); |
361 |
< |
if (!FEQ(theta,0.0)) { |
361 |
> |
if (!FABSEQ(theta,0.0)) { |
362 |
|
sprintf(xf, " -rz %f", theta*(180./PI)); |
363 |
|
/* while (*xf) ++xf; */ |
364 |
|
n += 2; |
371 |
|
put_BSDFs(void) |
372 |
|
{ |
373 |
|
const double scalef = bsdf_rad/(log10(overall_max) - min_log10); |
374 |
< |
FVECT ivec, sorg; |
374 |
> |
FVECT ivec, sorg, nrm, upv; |
375 |
|
RREAL vMtx[3][3]; |
376 |
|
char *fname; |
377 |
|
char cmdbuf[256]; |
378 |
< |
char xfargs[128]; |
379 |
< |
int nxfa; |
378 |
> |
char rotargs[64]; |
379 |
> |
int nrota; |
380 |
|
int i; |
381 |
|
|
382 |
|
printf("\n# Gensurf output corresponding to %d incident directions\n", |
383 |
|
NINCIDENT); |
384 |
|
|
385 |
< |
printf("\nvoid glow arrow_glow\n0\n0\n4 1 0 1 0\n"); |
386 |
< |
printf("\nvoid mixfunc arrow_mat\n4 arrow_glow void .5 .\n0\n0\n"); |
385 |
> |
printf("\nvoid glow tip_mat\n0\n0\n4 1 0 1 0\n"); |
386 |
> |
printf("\nvoid mixfunc shaft_mat\n4 tip_mat void 0.25 .\n0\n0\n"); |
387 |
|
|
388 |
< |
if (front_comp & SDsampR) /* front reflection */ |
389 |
< |
for (i = 0; i < NINCIDENT; i++) { |
390 |
< |
get_ivector(ivec, i); |
391 |
< |
put_mirror_arrow(ivec, 1); |
388 |
> |
for (i = 0; i < NINCIDENT; i++) { |
389 |
> |
get_ivector(ivec, i); |
390 |
> |
nrm[0] = -ivec[0]; nrm[1] = -ivec[1]; nrm[2] = ivec[2]; |
391 |
> |
upv[0] = nrm[0]*nrm[1]*(nrm[2] - 1.); |
392 |
> |
upv[1] = nrm[0]*nrm[0] + nrm[1]*nrm[1]*nrm[2]; |
393 |
> |
upv[2] = -nrm[1]*(nrm[0]*nrm[0] + nrm[1]*nrm[1]); |
394 |
> |
if (SDcompXform(vMtx, nrm, upv) != SDEnone) |
395 |
> |
continue; |
396 |
> |
nrota = addrot(rotargs, vMtx[0], vMtx[1], vMtx[2]); |
397 |
> |
if (front_comp) { |
398 |
|
cvt_sposition(sorg, ivec, 1); |
397 |
– |
ivec[0] = -ivec[0]; ivec[1] = -ivec[1]; /* normal */ |
398 |
– |
sprintf(xfargs, "-s %f -t %f %f %f", bsdf_rad, |
399 |
– |
sorg[0], sorg[1], sorg[2]); |
400 |
– |
nxfa = 6; |
399 |
|
printf("\nvoid colorfunc scale_pat\n"); |
400 |
< |
printf("%d bsdf_red bsdf_grn bsdf_blu bsdf2rad.cal\n\t%s\n0\n0\n", |
401 |
< |
4+nxfa, xfargs); |
400 |
> |
printf("10 bsdf_red bsdf_grn bsdf_blu bsdf2rad.cal\n"); |
401 |
> |
printf("\t-s %f -t %f %f %f\n0\n0\n", |
402 |
> |
bsdf_rad, sorg[0], sorg[1], sorg[2]); |
403 |
|
printf("\nscale_pat glow scale_mat\n0\n0\n4 1 1 1 0\n"); |
404 |
< |
SDcompXform(vMtx, ivec, Yaxis); |
405 |
< |
nxfa = addrot(xfargs, vMtx[0], vMtx[1], vMtx[2]); |
406 |
< |
sprintf(xfargs+strlen(xfargs), " -s %f -t %f %f %f", |
408 |
< |
scalef, sorg[0], sorg[1], sorg[2]); |
409 |
< |
nxfa += 6; |
404 |
> |
} |
405 |
> |
if (front_comp & SDsampR) { |
406 |
> |
put_mirror_arrow(sorg, nrm); |
407 |
|
fname = tfile_name(frpref, dsuffix, i); |
408 |
< |
sprintf(cmdbuf, "gensurf scale_mat %s%d %s %s %s %d %d | xform %s", |
409 |
< |
frpref, i+1, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
410 |
< |
xfargs); |
408 |
> |
sprintf(cmdbuf, |
409 |
> |
"gensurf scale_mat %s%d %s %s %s %d %d | xform %s -s %f -t %f %f %f", |
410 |
> |
frpref, i, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
411 |
> |
rotargs, scalef, sorg[0], sorg[1], sorg[2]); |
412 |
|
if (!run_cmd(cmdbuf)) |
413 |
|
return(0); |
414 |
|
} |
415 |
< |
if (front_comp & SDsampT) /* front transmission */ |
416 |
< |
for (i = 0; i < NINCIDENT; i++) { |
419 |
< |
get_ivector(ivec, i); |
420 |
< |
put_trans_arrow(ivec, 1); |
421 |
< |
cvt_sposition(sorg, ivec, 1); |
422 |
< |
ivec[0] = -ivec[0]; ivec[1] = -ivec[1]; /* normal */ |
423 |
< |
sprintf(xfargs, "-s %f -t %f %f %f", bsdf_rad, |
424 |
< |
sorg[0], sorg[1], sorg[2]); |
425 |
< |
nxfa = 6; |
426 |
< |
printf("\nvoid colorfunc scale_pat\n"); |
427 |
< |
printf("%d bsdf_red bsdf_grn bsdf_blu bsdf2rad.cal\n\t%s\n0\n0\n", |
428 |
< |
4+nxfa, xfargs); |
429 |
< |
printf("\nscale_pat glow scale_mat\n0\n0\n4 1 1 1 0\n"); |
430 |
< |
SDcompXform(vMtx, ivec, Yaxis); |
431 |
< |
nxfa = addrot(xfargs, vMtx[0], vMtx[1], vMtx[2]); |
432 |
< |
sprintf(xfargs+strlen(xfargs), " -s %f -t %f %f %f", |
433 |
< |
scalef, sorg[0], sorg[1], sorg[2]); |
434 |
< |
nxfa += 6; |
415 |
> |
if (front_comp & SDsampT) { |
416 |
> |
put_trans_arrow(sorg); |
417 |
|
fname = tfile_name(ftpref, dsuffix, i); |
418 |
< |
sprintf(cmdbuf, "gensurf scale_mat %s%d %s %s %s %d %d | xform -I %s", |
419 |
< |
ftpref, i+1, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
420 |
< |
xfargs); |
418 |
> |
sprintf(cmdbuf, |
419 |
> |
"gensurf scale_mat %s%d %s %s %s %d %d | xform -I %s -s %f -t %f %f %f", |
420 |
> |
ftpref, i, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
421 |
> |
rotargs, scalef, sorg[0], sorg[1], sorg[2]); |
422 |
|
if (!run_cmd(cmdbuf)) |
423 |
|
return(0); |
424 |
|
} |
425 |
< |
if (back_comp & SDsampR) /* rear reflection */ |
443 |
< |
for (i = 0; i < NINCIDENT; i++) { |
444 |
< |
get_ivector(ivec, i); |
445 |
< |
put_mirror_arrow(ivec, -1); |
425 |
> |
if (back_comp) { |
426 |
|
cvt_sposition(sorg, ivec, -1); |
447 |
– |
ivec[0] = -ivec[0]; ivec[1] = -ivec[1]; /* normal */ |
448 |
– |
sprintf(xfargs, "-s %f -t %f %f %f", bsdf_rad, |
449 |
– |
sorg[0], sorg[1], sorg[2]); |
450 |
– |
nxfa = 6; |
427 |
|
printf("\nvoid colorfunc scale_pat\n"); |
428 |
< |
printf("%d bsdf_red bsdf_grn bsdf_blu bsdf2rad.cal\n\t%s\n0\n0\n", |
429 |
< |
4+nxfa, xfargs); |
428 |
> |
printf("10 bsdf_red bsdf_grn bsdf_blu bsdf2rad.cal\n"); |
429 |
> |
printf("\t-s %f -t %f %f %f\n0\n0\n", |
430 |
> |
bsdf_rad, sorg[0], sorg[1], sorg[2]); |
431 |
|
printf("\nscale_pat glow scale_mat\n0\n0\n4 1 1 1 0\n"); |
432 |
< |
SDcompXform(vMtx, ivec, Yaxis); |
433 |
< |
nxfa = addrot(xfargs, vMtx[0], vMtx[1], vMtx[2]); |
434 |
< |
sprintf(xfargs+strlen(xfargs), " -s %f -t %f %f %f", |
458 |
< |
scalef, sorg[0], sorg[1], sorg[2]); |
459 |
< |
nxfa += 6; |
432 |
> |
} |
433 |
> |
if (back_comp & SDsampR) { |
434 |
> |
put_mirror_arrow(sorg, nrm); |
435 |
|
fname = tfile_name(brpref, dsuffix, i); |
436 |
< |
sprintf(cmdbuf, "gensurf scale_mat %s%d %s %s %s %d %d | xform -I -ry 180 %s", |
437 |
< |
brpref, i+1, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
438 |
< |
xfargs); |
436 |
> |
sprintf(cmdbuf, |
437 |
> |
"gensurf scale_mat %s%d %s %s %s %d %d | xform -I -ry 180 %s -s %f -t %f %f %f", |
438 |
> |
brpref, i, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
439 |
> |
rotargs, scalef, sorg[0], sorg[1], sorg[2]); |
440 |
|
if (!run_cmd(cmdbuf)) |
441 |
|
return(0); |
442 |
|
} |
443 |
< |
if (back_comp & SDsampT) /* rear transmission */ |
444 |
< |
for (i = 0; i < NINCIDENT; i++) { |
469 |
< |
get_ivector(ivec, i); |
470 |
< |
put_trans_arrow(ivec, -1); |
471 |
< |
cvt_sposition(sorg, ivec, -1); |
472 |
< |
ivec[0] = -ivec[0]; ivec[1] = -ivec[1]; /* normal */ |
473 |
< |
sprintf(xfargs, "-s %f -t %f %f %f", bsdf_rad, |
474 |
< |
sorg[0], sorg[1], sorg[2]); |
475 |
< |
nxfa = 6; |
476 |
< |
printf("\nvoid colorfunc scale_pat\n"); |
477 |
< |
printf("%d bsdf_red bsdf_grn bsdf_blu bsdf2rad.cal\n\t%s\n0\n0\n", |
478 |
< |
4+nxfa, xfargs); |
479 |
< |
printf("\nscale_pat glow scale_mat\n0\n0\n4 1 1 1 0\n"); |
480 |
< |
SDcompXform(vMtx, ivec, Yaxis); |
481 |
< |
nxfa = addrot(xfargs, vMtx[0], vMtx[1], vMtx[2]); |
482 |
< |
sprintf(xfargs+strlen(xfargs), " -s %f -t %f %f %f", |
483 |
< |
scalef, sorg[0], sorg[1], sorg[2]); |
484 |
< |
nxfa += 6; |
443 |
> |
if (back_comp & SDsampT) { |
444 |
> |
put_trans_arrow(sorg); |
445 |
|
fname = tfile_name(btpref, dsuffix, i); |
446 |
< |
sprintf(cmdbuf, "gensurf scale_mat %s%d %s %s %s %d %d | xform -ry 180 %s", |
447 |
< |
btpref, i+1, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
448 |
< |
xfargs); |
446 |
> |
sprintf(cmdbuf, |
447 |
> |
"gensurf scale_mat %s%d %s %s %s %d %d | xform -ry 180 %s -s %f -t %f %f %f", |
448 |
> |
btpref, i, fname, fname, fname, SAMPRES-1, SAMPRES-1, |
449 |
> |
rotargs, scalef, sorg[0], sorg[1], sorg[2]); |
450 |
|
if (!run_cmd(cmdbuf)) |
451 |
|
return(0); |
452 |
|
} |
453 |
+ |
} |
454 |
|
return(1); |
455 |
|
} |
456 |
|
|
464 |
|
printf("\n# Simplified material because we have no XML input\n"); |
465 |
|
printf("\nvoid brightfunc latlong\n2 latlong bsdf2rad.cal\n0\n0\n"); |
466 |
|
if ((front_comp|back_comp) & SDsampT) |
467 |
< |
printf("\nlatlong trans %s\n0\n0\n7 .75 .75 .75 0 0 .5 .8\n", |
468 |
< |
sph_mat); |
467 |
> |
printf("\nlatlong trans %s\n0\n0\n7 .75 .75 .75 0 .04 .5 .8\n", |
468 |
> |
sph_fmat); |
469 |
|
else |
470 |
|
printf("\nlatlong plastic %s\n0\n0\n5 .5 .5 .5 0 0\n", |
471 |
< |
sph_mat); |
471 |
> |
sph_fmat); |
472 |
> |
printf("\ninherit alias %s %s\n", sph_bmat, sph_fmat); |
473 |
|
return; |
474 |
|
} |
475 |
|
switch (XMLfile[0]) { /* avoid RAYPATH search */ |
476 |
|
case '.': |
477 |
+ |
case '~': |
478 |
|
CASEDIRSEP: |
479 |
|
curdir = ""; |
480 |
|
break; |
483 |
|
exit(1); |
484 |
|
break; |
485 |
|
} |
486 |
< |
printf("\n# Actual BSDF material for rendering the hemispheres\n"); |
487 |
< |
printf("\nvoid BSDF BSDFmat\n6 0 \"%s%s\" 0 1 0 .\n0\n0\n", |
486 |
> |
printf("\n# Actual BSDF materials for rendering the hemispheres\n"); |
487 |
> |
printf("\nvoid BSDF BSDF_f\n6 0 \"%s%s\" upx upy upz bsdf2rad.cal\n0\n0\n", |
488 |
|
curdir, XMLfile); |
489 |
|
printf("\nvoid plastic black\n0\n0\n5 0 0 0 0 0\n"); |
490 |
< |
printf("\nvoid mixfunc %s\n4 BSDFmat black latlong bsdf2rad.cal\n0\n0\n", |
491 |
< |
sph_mat); |
490 |
> |
printf("\nvoid mixfunc %s\n4 BSDF_f black latlong bsdf2rad.cal\n0\n0\n", |
491 |
> |
sph_fmat); |
492 |
> |
printf("\nvoid BSDF BSDF_b\n8 0 \"%s%s\" upx upy upz bsdf2rad.cal -ry 180\n0\n0\n", |
493 |
> |
curdir, XMLfile); |
494 |
> |
printf("\nvoid mixfunc %s\n4 BSDF_b black latlong bsdf2rad.cal\n0\n0\n", |
495 |
> |
sph_bmat); |
496 |
|
} |
497 |
|
|
498 |
|
/* Put out overhead parallel light source */ |
500 |
|
put_source(void) |
501 |
|
{ |
502 |
|
printf("\n# Overhead parallel light source\n"); |
503 |
< |
printf("\nvoid light bright\n0\n0\n3 2000 2000 2000\n"); |
503 |
> |
printf("\nvoid light bright\n0\n0\n3 2500 2500 2500\n"); |
504 |
|
printf("\nbright source light\n0\n0\n4 0 0 1 2\n"); |
505 |
|
printf("\n# Material used for labels\n"); |
506 |
|
printf("\nvoid trans vellum\n0\n0\n7 1 1 1 0 0 .5 0\n"); |
510 |
|
static void |
511 |
|
put_hemispheres(void) |
512 |
|
{ |
513 |
+ |
const int nsegs = 131; |
514 |
+ |
|
515 |
|
printf("\n# Hemisphere(s) for showing BSDF appearance (if XML file)\n"); |
546 |
– |
printf("\nvoid antimatter anti_sph\n2 void %s\n0\n0\n", sph_mat); |
516 |
|
if (front_comp) { |
517 |
< |
printf("\n%s sphere Front\n0\n0\n4 %f 0 0 %f\n", |
518 |
< |
sph_mat, -sph_xoffset, sph_rad); |
519 |
< |
printf("\n!genbox anti_sph sph_eraser %f %f %f | xform -t %f %f %f\n", |
551 |
< |
2.02*sph_rad, 2.02*sph_rad, 1.02*sph_rad, |
552 |
< |
-1.01*sph_rad - sph_xoffset, -1.01*sph_rad, -1.01*sph_rad); |
517 |
> |
printf( |
518 |
> |
"\n!genrev %s Front \"R*sin(A*t)\" \"R*cos(A*t)\" %d -e \"R:%g;A:%f\" -s | xform -t %g 0 0\n", |
519 |
> |
sph_fmat, nsegs, sph_rad, 0.5*PI, sph_xoffset); |
520 |
|
printf("\nvoid brighttext front_text\n3 helvet.fnt . FRONT\n0\n"); |
521 |
|
printf("12\n\t%f %f 0\n\t%f 0 0\n\t0 %f 0\n\t.01 1 -.1\n", |
522 |
< |
-.22*sph_rad - sph_xoffset, -1.4*sph_rad, |
522 |
> |
-.22*sph_rad + sph_xoffset, -1.4*sph_rad, |
523 |
|
.35/5.*sph_rad, -1.6*.35/5.*sph_rad); |
524 |
|
printf("\nfront_text alias front_label_mat vellum\n"); |
525 |
|
printf("\nfront_label_mat polygon front_label\n0\n0\n12"); |
526 |
|
printf("\n\t%f %f 0\n\t%f %f 0\n\t%f %f 0\n\t%f %f 0\n", |
527 |
< |
-.25*sph_rad - sph_xoffset, -1.3*sph_rad, |
528 |
< |
-.25*sph_rad - sph_xoffset, (-1.4-1.6*.35/5.-.1)*sph_rad, |
529 |
< |
.25*sph_rad - sph_xoffset, (-1.4-1.6*.35/5.-.1)*sph_rad, |
530 |
< |
.25*sph_rad - sph_xoffset, -1.3*sph_rad ); |
527 |
> |
-.25*sph_rad + sph_xoffset, -1.3*sph_rad, |
528 |
> |
-.25*sph_rad + sph_xoffset, (-1.4-1.6*.35/5.-.1)*sph_rad, |
529 |
> |
.25*sph_rad + sph_xoffset, (-1.4-1.6*.35/5.-.1)*sph_rad, |
530 |
> |
.25*sph_rad + sph_xoffset, -1.3*sph_rad ); |
531 |
|
} |
532 |
|
if (back_comp) { |
533 |
< |
printf("\n%s bubble Back\n0\n0\n4 %f 0 0 %f\n", |
534 |
< |
sph_mat, sph_xoffset, sph_rad); |
535 |
< |
printf("\n!genbox anti_sph sph_eraser %f %f %f | xform -t %f %f %f\n", |
569 |
< |
2.02*sph_rad, 2.02*sph_rad, 1.02*sph_rad, |
570 |
< |
-1.01*sph_rad + sph_xoffset, -1.01*sph_rad, -1.01*sph_rad); |
533 |
> |
printf( |
534 |
> |
"\n!genrev %s Back \"R*cos(A*t)\" \"R*sin(A*t)\" %d -e \"R:%g;A:%f\" -s | xform -t %g 0 0\n", |
535 |
> |
sph_bmat, nsegs, sph_rad, 0.5*PI, -sph_xoffset); |
536 |
|
printf("\nvoid brighttext back_text\n3 helvet.fnt . BACK\n0\n"); |
537 |
|
printf("12\n\t%f %f 0\n\t%f 0 0\n\t0 %f 0\n\t.01 1 -.1\n", |
538 |
< |
-.22*sph_rad + sph_xoffset, -1.4*sph_rad, |
538 |
> |
-.22*sph_rad - sph_xoffset, -1.4*sph_rad, |
539 |
|
.35/4.*sph_rad, -1.6*.35/4.*sph_rad); |
540 |
|
printf("\nback_text alias back_label_mat vellum\n"); |
541 |
|
printf("\nback_label_mat polygon back_label\n0\n0\n12"); |
542 |
|
printf("\n\t%f %f 0\n\t%f %f 0\n\t%f %f 0\n\t%f %f 0\n", |
543 |
< |
-.25*sph_rad + sph_xoffset, -1.3*sph_rad, |
544 |
< |
-.25*sph_rad + sph_xoffset, (-1.4-1.6*.35/4.-.1)*sph_rad, |
545 |
< |
.25*sph_rad + sph_xoffset, (-1.4-1.6*.35/4.-.1)*sph_rad, |
546 |
< |
.25*sph_rad + sph_xoffset, -1.3*sph_rad ); |
543 |
> |
-.25*sph_rad - sph_xoffset, -1.3*sph_rad, |
544 |
> |
-.25*sph_rad - sph_xoffset, (-1.4-1.6*.35/4.-.1)*sph_rad, |
545 |
> |
.25*sph_rad - sph_xoffset, (-1.4-1.6*.35/4.-.1)*sph_rad, |
546 |
> |
.25*sph_rad - sph_xoffset, -1.3*sph_rad ); |
547 |
|
} |
548 |
|
} |
549 |
|
|
552 |
|
put_scale(void) |
553 |
|
{ |
554 |
|
const double max_log10 = log10(overall_max); |
555 |
< |
const double leg_width = 2.*.75*(sph_xoffset - sph_rad); |
555 |
> |
const double leg_width = 2.*.75*(fabs(sph_xoffset) - sph_rad); |
556 |
|
const double leg_height = 2.*sph_rad; |
557 |
|
const int text_lines = 6; |
558 |
|
const int text_digits = 8; |
651 |
|
sprintf(cmdbuf, "xform -t %f %f %f -s %f -t %f %f 0 %s", |
652 |
|
-.5*(xmin+xmax), -.5*(ymin+ymax), -zmax, |
653 |
|
1.5*sph_rad/max_dim, |
654 |
< |
-sph_xoffset, -2.5*sph_rad, |
654 |
> |
sph_xoffset, -2.5*sph_rad, |
655 |
|
radfn); |
656 |
|
if (!run_cmd(cmdbuf)) |
657 |
|
return; |
661 |
|
sprintf(cmdbuf, "xform -t %f %f %f -s %f -ry 180 -t %f %f 0 %s", |
662 |
|
-.5*(xmin+xmax), -.5*(ymin+ymax), -zmin, |
663 |
|
1.5*sph_rad/max_dim, |
664 |
< |
sph_xoffset, -2.5*sph_rad, |
664 |
> |
-sph_xoffset, -2.5*sph_rad, |
665 |
|
radfn); |
666 |
|
if (!run_cmd(cmdbuf)) |
667 |
|
return; |
672 |
|
static int |
673 |
|
rbf_headline(char *s, void *p) |
674 |
|
{ |
675 |
< |
char fmt[64]; |
675 |
> |
char fmt[MAXFMTLEN]; |
676 |
|
|
677 |
|
if (formatval(fmt, s)) { |
678 |
|
if (strcmp(fmt, BSDFREP_FMT)) |
706 |
|
main(int argc, char *argv[]) |
707 |
|
{ |
708 |
|
int inpXML = -1; |
709 |
+ |
double myLim[2]; |
710 |
|
SDData myBSDF; |
711 |
< |
int n; |
711 |
> |
int a, n; |
712 |
|
/* check arguments */ |
713 |
|
progname = argv[0]; |
714 |
< |
if (argc > 1 && (n = strlen(argv[1])-4) > 0) { |
715 |
< |
if (!strcasecmp(argv[1]+n, ".xml")) |
714 |
> |
a = 1; |
715 |
> |
myLim[0] = -1; myLim[1] = -2; /* specified BSDF range? */ |
716 |
> |
if (argc > a+3 && argv[a][0] == '-' && argv[a][1] == 'r') { |
717 |
> |
myLim[0] = atof(argv[++a]); |
718 |
> |
myLim[1] = atof(argv[++a]); |
719 |
> |
++a; |
720 |
> |
} |
721 |
> |
if (argc > a && (n = strlen(argv[a])-4) > 0) { |
722 |
> |
if (!strcasecmp(argv[a]+n, ".xml")) |
723 |
|
inpXML = 1; |
724 |
< |
else if (!strcasecmp(argv[1]+n, ".sir")) |
724 |
> |
else if (!strcasecmp(argv[a]+n, ".sir")) |
725 |
|
inpXML = 0; |
726 |
|
} |
727 |
< |
if (inpXML < 0 || inpXML & (argc > 2)) { |
728 |
< |
fprintf(stderr, "Usage: %s bsdf.xml > output.rad\n", progname); |
729 |
< |
fprintf(stderr, " Or: %s hemi1.sir hemi2.sir .. > output.rad\n", progname); |
727 |
> |
if (inpXML < 0 || inpXML & (argc > a+1)) { |
728 |
> |
fprintf(stderr, "Usage: %s [-r min max] bsdf.xml > output.rad\n", progname); |
729 |
> |
fprintf(stderr, " Or: %s [-r min max] hemi1.sir hemi2.sir .. > output.rad\n", progname); |
730 |
|
return(1); |
731 |
|
} |
732 |
|
fputs("# ", stdout); /* copy our command */ |
733 |
|
printargs(argc, argv, stdout); |
734 |
|
/* evaluate BSDF */ |
735 |
|
if (inpXML) { |
736 |
< |
SDclearBSDF(&myBSDF, argv[1]); |
737 |
< |
if (SDreportError(SDloadFile(&myBSDF, argv[1]), stderr)) |
736 |
> |
SDclearBSDF(&myBSDF, argv[a]); |
737 |
> |
if (SDreportError(SDloadFile(&myBSDF, argv[a]), stderr)) |
738 |
|
return(1); |
739 |
|
if (myBSDF.rf != NULL) front_comp |= SDsampR; |
740 |
|
if (myBSDF.tf != NULL) front_comp |= SDsampT; |
742 |
|
if (myBSDF.tb != NULL) back_comp |= SDsampT; |
743 |
|
if (!front_comp & !back_comp) { |
744 |
|
fprintf(stderr, "%s: nothing to plot in '%s'\n", |
745 |
< |
progname, argv[1]); |
745 |
> |
progname, argv[a]); |
746 |
|
return(1); |
747 |
|
} |
748 |
< |
if (front_comp & SDsampR && myBSDF.rLambFront.cieY < overall_min*PI) |
749 |
< |
overall_min = myBSDF.rLambFront.cieY/PI; |
750 |
< |
if (back_comp & SDsampR && myBSDF.rLambBack.cieY < overall_min*PI) |
751 |
< |
overall_min = myBSDF.rLambBack.cieY/PI; |
752 |
< |
if ((front_comp|back_comp) & SDsampT && |
753 |
< |
myBSDF.tLamb.cieY < overall_min*PI) |
754 |
< |
overall_min = myBSDF.tLamb.cieY/PI; |
748 |
> |
if (myLim[0] >= 0) |
749 |
> |
overall_min = myLim[0]; |
750 |
> |
else { |
751 |
> |
if (front_comp & SDsampR && myBSDF.rLambFront.cieY < overall_min*PI) |
752 |
> |
overall_min = myBSDF.rLambFront.cieY/PI; |
753 |
> |
if (back_comp & SDsampR && myBSDF.rLambBack.cieY < overall_min*PI) |
754 |
> |
overall_min = myBSDF.rLambBack.cieY/PI; |
755 |
> |
if ((front_comp|back_comp) & SDsampT && |
756 |
> |
myBSDF.tLamb.cieY < overall_min*PI) |
757 |
> |
overall_min = myBSDF.tLamb.cieY/PI; |
758 |
> |
} |
759 |
|
set_minlog(); |
760 |
|
if (!build_wBSDF(&myBSDF)) |
761 |
|
return(1); |
764 |
|
else |
765 |
|
strcpy(bsdf_name, myBSDF.name); |
766 |
|
strcpy(bsdf_manuf, myBSDF.makr); |
767 |
< |
put_matBSDF(argv[1]); |
767 |
> |
put_matBSDF(argv[a]); |
768 |
|
} else { |
769 |
< |
FILE *fp; |
770 |
< |
for (n = 1; n < argc; n++) { |
771 |
< |
fp = fopen(argv[n], "rb"); |
772 |
< |
if (fp == NULL) { |
769 |
> |
FILE *fp[4]; |
770 |
> |
if (argc > a+4) { |
771 |
> |
fprintf(stderr, "%s: more than 4 hemispheres!\n", progname); |
772 |
> |
return(1); |
773 |
> |
} |
774 |
> |
for (n = a; n < argc; n++) { |
775 |
> |
fp[n-a] = fopen(argv[n], "rb"); |
776 |
> |
if (fp[n-a] == NULL) { |
777 |
|
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
778 |
|
progname, argv[n]); |
779 |
|
return(1); |
780 |
|
} |
781 |
< |
if (getheader(fp, rbf_headline, NULL) < 0) { |
781 |
> |
if (getheader(fp[n-a], rbf_headline, NULL) < 0) { |
782 |
|
fprintf(stderr, "%s: bad BSDF interpolant '%s'\n", |
783 |
|
progname, argv[n]); |
784 |
|
return(1); |
785 |
|
} |
805 |
– |
fclose(fp); |
786 |
|
} |
787 |
+ |
if (myLim[0] >= 0) |
788 |
+ |
overall_min = myLim[0]; |
789 |
|
set_minlog(); |
790 |
< |
for (n = 1; n < argc; n++) { |
791 |
< |
fp = fopen(argv[n], "rb"); |
792 |
< |
if (!load_bsdf_rep(fp)) |
790 |
> |
for (n = a; n < argc; n++) { |
791 |
> |
if (fseek(fp[n-a], 0L, SEEK_SET) < 0) { |
792 |
> |
fprintf(stderr, "%s: cannot seek on '%s'\n", |
793 |
> |
progname, argv[n]); |
794 |
|
return(1); |
795 |
< |
fclose(fp); |
795 |
> |
} |
796 |
> |
if (!load_bsdf_rep(fp[n-a])) |
797 |
> |
return(1); |
798 |
> |
fclose(fp[n-a]); |
799 |
|
if (!build_wRBF()) |
800 |
|
return(1); |
801 |
|
} |
802 |
|
put_matBSDF(NULL); |
803 |
|
} |
804 |
+ |
if (myLim[1] > myLim[0]) /* override maximum BSDF? */ |
805 |
+ |
overall_max = myLim[1]; |
806 |
|
put_source(); /* before hemispheres & labels */ |
807 |
|
put_hemispheres(); |
808 |
|
put_scale(); |
809 |
|
if (inpXML && myBSDF.mgf) |
810 |
|
convert_mgf(myBSDF.mgf); |
811 |
< |
if (!put_BSDFs()) |
811 |
> |
if (!put_BSDFs()) /* most of the output happens here */ |
812 |
|
return(1); |
813 |
|
cleanup_tmp(); |
814 |
|
return(0); |