14 |
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#include <math.h> |
15 |
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#include "platform.h" |
16 |
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#include "bsdfrep.h" |
17 |
+ |
#include "resolu.h" |
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/* global argv[0] */ |
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char *progname; |
20 |
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|
25 |
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long dstart; /* data start offset in file */ |
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} PGINPUT; |
27 |
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|
28 |
+ |
const double ANGLE_EPS = 180./2./GRIDRES; |
29 |
+ |
|
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PGINPUT *inpfile; /* input files sorted by incidence */ |
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int ninpfiles; /* number of input files */ |
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|
|
37 |
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const PGINPUT *inp1 = (const PGINPUT *)p1; |
38 |
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const PGINPUT *inp2 = (const PGINPUT *)p2; |
39 |
|
|
40 |
< |
if (inp1->theta > inp2->theta+FTINY) |
40 |
> |
if (inp1->theta > inp2->theta+ANGLE_EPS) |
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return(1); |
42 |
< |
if (inp1->theta < inp2->theta-FTINY) |
42 |
> |
if (inp1->theta < inp2->theta-ANGLE_EPS) |
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|
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 |
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return(-1); |
48 |
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return(0); |
49 |
|
} |
222 |
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#ifdef DEBUG |
223 |
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fprintf(stderr, "Minimum BSDF = %.4f\n", bsdf_min); |
224 |
|
#endif |
225 |
< |
/* produce spheres at meas. */ |
225 |
> |
min_log = log(bsdf_min*.5 + 1e-5); |
226 |
> |
#if 1 /* produce spheres at meas. */ |
227 |
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puts("void plastic yellow\n0\n0\n5 .6 .4 .01 .04 .08\n"); |
224 |
– |
min_log = log(bsdf_min*.5); |
228 |
|
n = 0; |
229 |
|
for (i = 0; i < GRIDRES; i++) |
230 |
|
for (j = 0; j < GRIDRES; j++) |
231 |
< |
if (dsf_grid[i][j].nval > 0) { |
231 |
> |
if (dsf_grid[i][j].sum.n > 0) { |
232 |
|
ovec_from_pos(dir, i, j); |
233 |
< |
bsdf = dsf_grid[i][j].vsum / |
234 |
< |
(dsf_grid[i][j].nval*output_orient*dir[2]); |
233 |
> |
bsdf = dsf_grid[i][j].sum.v / |
234 |
> |
(dsf_grid[i][j].sum.n*output_orient*dir[2]); |
235 |
|
if (bsdf <= bsdf_min*.6) |
236 |
|
continue; |
237 |
< |
bsdf = log(bsdf) - min_log; |
237 |
> |
bsdf = log(bsdf + 1e-5) - min_log; |
238 |
|
ovec_from_pos(dir, i, j); |
239 |
|
printf("yellow sphere s%04d\n0\n0\n", ++n); |
240 |
|
printf("4 %.6g %.6g %.6g %.6g\n\n", |
241 |
|
dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf, |
242 |
|
.007*bsdf); |
243 |
|
} |
244 |
< |
/* output continuous surface */ |
244 |
> |
#endif |
245 |
> |
#if 1 /* spheres at RBF peaks */ |
246 |
> |
puts("void plastic red\n0\n0\n5 .8 .01 .01 .04 .08\n"); |
247 |
> |
for (n = 0; n < dsf_list->nrbf; n++) { |
248 |
> |
RBFVAL *rbf = &dsf_list->rbfa[n]; |
249 |
> |
ovec_from_pos(dir, rbf->gx, rbf->gy); |
250 |
> |
bsdf = eval_rbfrep(dsf_list, dir) / (output_orient*dir[2]); |
251 |
> |
bsdf = log(bsdf + 1e-5) - min_log; |
252 |
> |
printf("red sphere p%04d\n0\n0\n", ++n); |
253 |
> |
printf("4 %.6g %.6g %.6g %.6g\n\n", |
254 |
> |
dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf, |
255 |
> |
.011*bsdf); |
256 |
> |
} |
257 |
> |
#endif |
258 |
> |
#if 1 /* output continuous surface */ |
259 |
|
puts("void trans tgreen\n0\n0\n7 .7 1 .7 .04 .04 .9 1\n"); |
260 |
|
fflush(stdout); |
261 |
|
sprintf(buf, "gensurf tgreen bsdf - - - %d %d", GRIDRES-1, GRIDRES-1); |
268 |
|
for (j = 0; j < GRIDRES; j++) { |
269 |
|
ovec_from_pos(dir, i, j); |
270 |
|
bsdf = eval_rbfrep(dsf_list, dir) / (output_orient*dir[2]); |
271 |
< |
bsdf = log(bsdf) - min_log; |
271 |
> |
bsdf = log(bsdf + 1e-5) - min_log; |
272 |
|
fprintf(pfp, "%.8e %.8e %.8e\n", |
273 |
|
dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf); |
274 |
|
} |
275 |
< |
return(pclose(pfp)==0 ? 0 : 1); |
275 |
> |
if (pclose(pfp) != 0) |
276 |
> |
return(1); |
277 |
> |
#endif |
278 |
> |
return(0); |
279 |
|
} |
280 |
|
#endif |