| 14 |
|
#include <math.h> |
| 15 |
|
#include "platform.h" |
| 16 |
|
#include "bsdfrep.h" |
| 17 |
+ |
#include "resolu.h" |
| 18 |
|
/* global argv[0] */ |
| 19 |
|
char *progname; |
| 20 |
|
|
| 25 |
|
long dstart; /* data start offset in file */ |
| 26 |
|
} PGINPUT; |
| 27 |
|
|
| 28 |
+ |
double angle_eps = 0; /* epsilon for angle comparisons */ |
| 29 |
+ |
|
| 30 |
|
PGINPUT *inpfile; /* input files sorted by incidence */ |
| 31 |
|
int ninpfiles; /* number of input files */ |
| 32 |
|
|
| 37 |
|
const PGINPUT *inp1 = (const PGINPUT *)p1; |
| 38 |
|
const PGINPUT *inp2 = (const PGINPUT *)p2; |
| 39 |
|
|
| 40 |
< |
if (inp1->theta > inp2->theta+FTINY) |
| 40 |
> |
if (inp1->theta > inp2->theta+angle_eps) |
| 41 |
|
return(1); |
| 42 |
< |
if (inp1->theta < inp2->theta-FTINY) |
| 42 |
> |
if (inp1->theta < inp2->theta-angle_eps) |
| 43 |
|
return(-1); |
| 44 |
< |
if (inp1->phi > inp2->phi+FTINY) |
| 44 |
> |
if (inp1->phi > inp2->phi+angle_eps) |
| 45 |
|
return(1); |
| 46 |
< |
if (inp1->phi < inp2->phi-FTINY) |
| 46 |
> |
if (inp1->phi < inp2->phi-angle_eps) |
| 47 |
|
return(-1); |
| 48 |
|
return(0); |
| 49 |
|
} |
| 73 |
|
fclose(fp); |
| 74 |
|
return(0); |
| 75 |
|
} |
| 76 |
+ |
if (sscanf(buf, "sample_name \"%[^\"]\"", bsdf_name) == 1) |
| 77 |
+ |
continue; |
| 78 |
|
if (sscanf(buf, "format: theta phi %s", typ) == 1) { |
| 79 |
|
if (!strcasecmp(typ, "DSF")) { |
| 80 |
|
inpfile[i].isDSF = 1; |
| 124 |
|
return(0); |
| 125 |
|
} |
| 126 |
|
/* prepare input grid */ |
| 127 |
+ |
angle_eps = 180./2./GRIDRES; |
| 128 |
|
if (!i || cmp_inang(&inpfile[i-1], &inpfile[i])) { |
| 129 |
|
if (i) /* need to process previous incidence */ |
| 130 |
|
make_rbfrep(); |
| 184 |
|
for (i = 0; i < ninpfiles; i++) |
| 185 |
|
if (!init_pabopto_inp(i, argv[i+1])) |
| 186 |
|
return(1); |
| 187 |
+ |
angle_eps = 0; |
| 188 |
|
qsort(inpfile, ninpfiles, sizeof(PGINPUT), &cmp_inang); |
| 189 |
|
/* compile measurements */ |
| 190 |
|
for (i = 0; i < ninpfiles; i++) |
| 224 |
|
#ifdef DEBUG |
| 225 |
|
fprintf(stderr, "Minimum BSDF = %.4f\n", bsdf_min); |
| 226 |
|
#endif |
| 227 |
< |
/* produce spheres at meas. */ |
| 227 |
> |
min_log = log(bsdf_min*.5 + 1e-5); |
| 228 |
> |
#if 1 /* produce spheres at meas. */ |
| 229 |
|
puts("void plastic yellow\n0\n0\n5 .6 .4 .01 .04 .08\n"); |
| 222 |
– |
min_log = log(bsdf_min*.5); |
| 230 |
|
n = 0; |
| 231 |
|
for (i = 0; i < GRIDRES; i++) |
| 232 |
|
for (j = 0; j < GRIDRES; j++) |
| 233 |
< |
if (dsf_grid[i][j].nval > 0) { |
| 233 |
> |
if (dsf_grid[i][j].sum.n > 0) { |
| 234 |
|
ovec_from_pos(dir, i, j); |
| 235 |
< |
bsdf = dsf_grid[i][j].vsum / |
| 236 |
< |
(dsf_grid[i][j].nval*output_orient*dir[2]); |
| 235 |
> |
bsdf = dsf_grid[i][j].sum.v / |
| 236 |
> |
(dsf_grid[i][j].sum.n*output_orient*dir[2]); |
| 237 |
|
if (bsdf <= bsdf_min*.6) |
| 238 |
|
continue; |
| 239 |
< |
bsdf = log(bsdf) - min_log; |
| 239 |
> |
bsdf = log(bsdf + 1e-5) - min_log; |
| 240 |
|
ovec_from_pos(dir, i, j); |
| 241 |
|
printf("yellow sphere s%04d\n0\n0\n", ++n); |
| 242 |
|
printf("4 %.6g %.6g %.6g %.6g\n\n", |
| 243 |
|
dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf, |
| 244 |
|
.007*bsdf); |
| 245 |
|
} |
| 246 |
< |
/* output continuous surface */ |
| 246 |
> |
#endif |
| 247 |
> |
#if 1 /* spheres at RBF peaks */ |
| 248 |
> |
puts("void plastic red\n0\n0\n5 .8 .01 .01 .04 .08\n"); |
| 249 |
> |
for (n = 0; n < dsf_list->nrbf; n++) { |
| 250 |
> |
RBFVAL *rbf = &dsf_list->rbfa[n]; |
| 251 |
> |
ovec_from_pos(dir, rbf->gx, rbf->gy); |
| 252 |
> |
bsdf = eval_rbfrep(dsf_list, dir) / (output_orient*dir[2]); |
| 253 |
> |
bsdf = log(bsdf + 1e-5) - min_log; |
| 254 |
> |
printf("red sphere p%04d\n0\n0\n", ++n); |
| 255 |
> |
printf("4 %.6g %.6g %.6g %.6g\n\n", |
| 256 |
> |
dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf, |
| 257 |
> |
.011*bsdf); |
| 258 |
> |
} |
| 259 |
> |
#endif |
| 260 |
> |
#if 1 /* output continuous surface */ |
| 261 |
|
puts("void trans tgreen\n0\n0\n7 .7 1 .7 .04 .04 .9 1\n"); |
| 262 |
|
fflush(stdout); |
| 263 |
|
sprintf(buf, "gensurf tgreen bsdf - - - %d %d", GRIDRES-1, GRIDRES-1); |
| 270 |
|
for (j = 0; j < GRIDRES; j++) { |
| 271 |
|
ovec_from_pos(dir, i, j); |
| 272 |
|
bsdf = eval_rbfrep(dsf_list, dir) / (output_orient*dir[2]); |
| 273 |
< |
bsdf = log(bsdf) - min_log; |
| 273 |
> |
bsdf = log(bsdf + 1e-5) - min_log; |
| 274 |
|
fprintf(pfp, "%.8e %.8e %.8e\n", |
| 275 |
|
dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf); |
| 276 |
|
} |
| 277 |
< |
return(pclose(pfp)==0 ? 0 : 1); |
| 277 |
> |
if (pclose(pfp) != 0) |
| 278 |
> |
return(1); |
| 279 |
> |
#endif |
| 280 |
> |
return(0); |
| 281 |
|
} |
| 282 |
|
#endif |
