8 |
|
*/ |
9 |
|
|
10 |
|
#define _USE_MATH_DEFINES |
11 |
– |
#include <stdio.h> |
11 |
|
#include <stdlib.h> |
12 |
|
#include <math.h> |
13 |
+ |
#include "random.h" |
14 |
|
#include "platform.h" |
15 |
+ |
#include "paths.h" |
16 |
+ |
#include "rtio.h" |
17 |
+ |
#include "calcomp.h" |
18 |
|
#include "bsdfrep.h" |
19 |
|
/* global argv[0] */ |
20 |
|
char *progname; |
21 |
+ |
/* reciprocity averaging option */ |
22 |
+ |
static const char *recip = " -a"; |
23 |
|
/* percentage to cull (<0 to turn off) */ |
24 |
< |
int pctcull = 90; |
24 |
> |
static double pctcull = 90.; |
25 |
|
/* sampling order */ |
26 |
< |
int samp_order = 6; |
26 |
> |
static int samp_order = 6; |
27 |
> |
/* super-sampling threshold */ |
28 |
> |
static double ssamp_thresh = 0.35; |
29 |
> |
/* number of super-samples */ |
30 |
> |
#ifndef NSSAMP |
31 |
> |
#define NSSAMP 256 |
32 |
> |
#endif |
33 |
> |
/* limit on number of RBF lobes */ |
34 |
> |
static int lobe_lim = 15000; |
35 |
> |
/* progress bar length */ |
36 |
> |
static int do_prog = 79; |
37 |
|
|
38 |
+ |
#define MAXCARG 512 /* wrapBSDF command */ |
39 |
+ |
static char *wrapBSDF[MAXCARG] = {"wrapBSDF", "-U"}; |
40 |
+ |
static int wbsdfac = 2; |
41 |
+ |
|
42 |
+ |
/* Add argument to wrapBSDF, allocating space if !isstatic */ |
43 |
+ |
static void |
44 |
+ |
add_wbsdf(const char *arg, int isstatic) |
45 |
+ |
{ |
46 |
+ |
if (arg == NULL) |
47 |
+ |
return; |
48 |
+ |
if (wbsdfac >= MAXCARG-1) { |
49 |
+ |
fputs(progname, stderr); |
50 |
+ |
fputs(": too many command arguments to wrapBSDF\n", stderr); |
51 |
+ |
exit(1); |
52 |
+ |
} |
53 |
+ |
if (!*arg) |
54 |
+ |
arg = ""; |
55 |
+ |
else if (!isstatic) |
56 |
+ |
arg = savqstr((char *)arg); |
57 |
+ |
|
58 |
+ |
wrapBSDF[wbsdfac++] = (char *)arg; |
59 |
+ |
} |
60 |
+ |
|
61 |
+ |
/* Create Yuv component file and add appropriate arguments */ |
62 |
+ |
static char * |
63 |
+ |
create_component_file(int c) |
64 |
+ |
{ |
65 |
+ |
static const char sname[3][6] = {"CIE-Y", "CIE-u", "CIE-v"}; |
66 |
+ |
static const char cname[4][4] = {"-rf", "-tf", "-tb", "-rb"}; |
67 |
+ |
char *tfname = mktemp(savqstr(TEMPLATE)); |
68 |
+ |
|
69 |
+ |
add_wbsdf("-s", 1); add_wbsdf(sname[c], 1); |
70 |
+ |
add_wbsdf(cname[(input_orient>0)<<1 | (output_orient>0)], 1); |
71 |
+ |
add_wbsdf(tfname, 1); |
72 |
+ |
return(tfname); |
73 |
+ |
} |
74 |
+ |
|
75 |
+ |
/* Start new progress bar */ |
76 |
+ |
#define prog_start(s) if (do_prog) fprintf(stderr, "%s: %s...\n", progname, s); else |
77 |
+ |
|
78 |
+ |
/* Draw progress bar of the appropriate length */ |
79 |
+ |
static void |
80 |
+ |
prog_show(double frac) |
81 |
+ |
{ |
82 |
+ |
static unsigned call_cnt = 0; |
83 |
+ |
static char lastc[] = "-\\|/"; |
84 |
+ |
char pbar[256]; |
85 |
+ |
int nchars; |
86 |
+ |
|
87 |
+ |
if (do_prog <= 1) return; |
88 |
+ |
if (do_prog > sizeof(pbar)-2) |
89 |
+ |
do_prog = sizeof(pbar)-2; |
90 |
+ |
if (frac < 0) frac = 0; |
91 |
+ |
else if (frac >= 1) frac = .9999; |
92 |
+ |
nchars = do_prog*frac; |
93 |
+ |
pbar[0] = '\r'; |
94 |
+ |
memset(pbar+1, '*', nchars); |
95 |
+ |
pbar[nchars+1] = lastc[call_cnt++ & 3]; |
96 |
+ |
memset(pbar+2+nchars, '-', do_prog-nchars-1); |
97 |
+ |
pbar[do_prog+1] = '\0'; |
98 |
+ |
fputs(pbar, stderr); |
99 |
+ |
} |
100 |
+ |
|
101 |
+ |
/* Finish progress bar */ |
102 |
+ |
static void |
103 |
+ |
prog_done(void) |
104 |
+ |
{ |
105 |
+ |
int n = do_prog; |
106 |
+ |
|
107 |
+ |
if (n <= 1) return; |
108 |
+ |
fputc('\r', stderr); |
109 |
+ |
while (n--) |
110 |
+ |
fputc(' ', stderr); |
111 |
+ |
fputc('\r', stderr); |
112 |
+ |
} |
113 |
+ |
|
114 |
+ |
/* Compute absolute relative difference */ |
115 |
+ |
static double |
116 |
+ |
abs_diff(double v1, double v0) |
117 |
+ |
{ |
118 |
+ |
if ((v0 < 0) | (v1 < 0)) |
119 |
+ |
return(.0); |
120 |
+ |
v1 = (v1-v0)*2./(v0+v1+.0001); |
121 |
+ |
if (v1 < 0) |
122 |
+ |
return(-v1); |
123 |
+ |
return(v1); |
124 |
+ |
} |
125 |
+ |
|
126 |
|
/* Interpolate and output isotropic BSDF data */ |
127 |
|
static void |
128 |
< |
interp_isotropic() |
128 |
> |
eval_isotropic(char *funame) |
129 |
|
{ |
130 |
|
const int sqres = 1<<samp_order; |
131 |
< |
FILE *ofp = NULL; |
131 |
> |
const double sqfact = 1./(double)sqres; |
132 |
> |
float *val_last = NULL; |
133 |
> |
float *val_next = NULL; |
134 |
> |
SDValue *sdv_next = NULL; |
135 |
> |
FILE *ofp, *uvfp[2]; |
136 |
> |
int assignD = 0; |
137 |
|
char cmd[128]; |
138 |
|
int ix, ox, oy; |
139 |
< |
FVECT ivec, ovec; |
140 |
< |
double bsdf; |
141 |
< |
#if DEBUG |
142 |
< |
fprintf(stderr, "Writing isotropic order %d ", samp_order); |
143 |
< |
if (pctcull >= 0) fprintf(stderr, "data with %d%% culling\n", pctcull); |
144 |
< |
else fputs("raw data\n", stderr); |
37 |
< |
#endif |
38 |
< |
if (pctcull >= 0) { /* begin output */ |
39 |
< |
sprintf(cmd, "rttree_reduce -h -a -fd -r 3 -t %d -g %d", |
40 |
< |
pctcull, samp_order); |
41 |
< |
fflush(stdout); |
139 |
> |
double iovec[6]; |
140 |
> |
float bsdf, uv[2]; |
141 |
> |
|
142 |
> |
if (pctcull >= 0) { |
143 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 3 -t %f -g %d > %s", |
144 |
> |
recip, pctcull, samp_order, create_component_file(0)); |
145 |
|
ofp = popen(cmd, "w"); |
146 |
|
if (ofp == NULL) { |
147 |
|
fprintf(stderr, "%s: cannot create pipe to rttree_reduce\n", |
149 |
|
exit(1); |
150 |
|
} |
151 |
|
SET_FILE_BINARY(ofp); |
152 |
< |
} else |
153 |
< |
fputs("{\n", stdout); |
152 |
> |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
153 |
> |
flockfile(ofp); |
154 |
> |
#endif |
155 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
156 |
> |
double uvcull = 100. - (100.-pctcull)*.25; |
157 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 3 -t %f -g %d > %s", |
158 |
> |
recip, uvcull, samp_order, create_component_file(1)); |
159 |
> |
uvfp[0] = popen(cmd, "w"); |
160 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 3 -t %f -g %d > %s", |
161 |
> |
recip, uvcull, samp_order, create_component_file(2)); |
162 |
> |
uvfp[1] = popen(cmd, "w"); |
163 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
164 |
> |
fprintf(stderr, "%s: cannot open pipes to uv output\n", |
165 |
> |
progname); |
166 |
> |
exit(1); |
167 |
> |
} |
168 |
> |
SET_FILE_BINARY(uvfp[0]); SET_FILE_BINARY(uvfp[1]); |
169 |
> |
#ifdef getc_unlocked |
170 |
> |
flockfile(uvfp[0]); flockfile(uvfp[1]); |
171 |
> |
#endif |
172 |
> |
} |
173 |
> |
} else { |
174 |
> |
ofp = fopen(create_component_file(0), "w"); |
175 |
> |
if (ofp == NULL) { |
176 |
> |
fprintf(stderr, "%s: cannot create Y output file\n", |
177 |
> |
progname); |
178 |
> |
exit(1); |
179 |
> |
} |
180 |
> |
fputs("{\n", ofp); |
181 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
182 |
> |
uvfp[0] = fopen(create_component_file(1), "w"); |
183 |
> |
uvfp[1] = fopen(create_component_file(2), "w"); |
184 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
185 |
> |
fprintf(stderr, "%s: cannot create uv output file(s)\n", |
186 |
> |
progname); |
187 |
> |
exit(1); |
188 |
> |
} |
189 |
> |
fputs("{\n", uvfp[0]); |
190 |
> |
fputs("{\n", uvfp[1]); |
191 |
> |
} |
192 |
> |
} |
193 |
> |
if (funame != NULL) /* need to assign Dx, Dy, Dz? */ |
194 |
> |
assignD = (fundefined(funame) < 6); |
195 |
> |
#if (NSSAMP > 0) |
196 |
> |
val_last = (float *)calloc(sqres, sizeof(float)); |
197 |
> |
if (funame == NULL) |
198 |
> |
sdv_next = (SDValue *)malloc(sizeof(SDValue)*sqres); |
199 |
> |
else |
200 |
> |
val_next = (float *)malloc(sizeof(float)*sqres); |
201 |
> |
#endif |
202 |
|
/* run through directions */ |
203 |
|
for (ix = 0; ix < sqres/2; ix++) { |
204 |
< |
RBFNODE *rbf; |
205 |
< |
SDsquare2disk(ivec, (ix+.5)/sqres, .5); |
206 |
< |
ivec[2] = input_orient * |
207 |
< |
sqrt(1. - ivec[0]*ivec[0] - ivec[1]*ivec[1]); |
208 |
< |
rbf = advect_rbf(ivec); |
209 |
< |
for (ox = 0; ox < sqres; ox++) |
204 |
> |
const int zipsgn = (ix & 1)*2 - 1; |
205 |
> |
RBFNODE *rbf = NULL; |
206 |
> |
iovec[0] = 2.*sqfact*(ix+.5) - 1.; |
207 |
> |
iovec[1] = zipsgn*sqfact*.5; |
208 |
> |
iovec[2] = input_orient * sqrt(1. - iovec[0]*iovec[0] |
209 |
> |
- iovec[1]*iovec[1]); |
210 |
> |
if (funame == NULL) |
211 |
> |
rbf = advect_rbf(iovec, lobe_lim); |
212 |
> |
/* presample first row */ |
213 |
> |
for (oy = 0; oy < sqres; oy++) { |
214 |
> |
SDsquare2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); |
215 |
> |
iovec[5] = output_orient * |
216 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
217 |
> |
if (funame == NULL) { |
218 |
> |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
219 |
> |
} else { |
220 |
> |
if (assignD) { |
221 |
> |
varset("Dx", '=', -iovec[3]); |
222 |
> |
varset("Dy", '=', -iovec[4]); |
223 |
> |
varset("Dz", '=', -iovec[5]); |
224 |
> |
++eclock; |
225 |
> |
} |
226 |
> |
val_next[oy] = funvalue(funame, 6, iovec); |
227 |
> |
} |
228 |
> |
} |
229 |
> |
for (ox = 0; ox < sqres; ox++) { |
230 |
> |
/* |
231 |
> |
* Super-sample when we detect a difference from before |
232 |
> |
* or after in this row, above or below. |
233 |
> |
*/ |
234 |
|
for (oy = 0; oy < sqres; oy++) { |
235 |
< |
SDsquare2disk(ovec, (ox+.5)/sqres, (oy+.5)/sqres); |
236 |
< |
ovec[2] = output_orient * |
237 |
< |
sqrt(1. - ovec[0]*ovec[0] - ovec[1]*ovec[1]); |
238 |
< |
bsdf = eval_rbfrep(rbf, ovec) / fabs(ovec[2]); |
235 |
> |
if (ox < sqres-1) { /* keeping one row ahead... */ |
236 |
> |
SDsquare2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); |
237 |
> |
iovec[5] = output_orient * |
238 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
239 |
> |
} |
240 |
> |
if (funame == NULL) { |
241 |
> |
SDValue sdv = sdv_next[oy]; |
242 |
> |
bsdf = sdv.cieY; |
243 |
> |
if (ox < sqres-1) |
244 |
> |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
245 |
> |
#if (NSSAMP > 0) |
246 |
> |
if (abs_diff(bsdf, sdv_next[oy].cieY) > ssamp_thresh || |
247 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
248 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
249 |
> |
(oy < sqres-1 && |
250 |
> |
abs_diff(bsdf, sdv_next[oy+1].cieY) > ssamp_thresh)) { |
251 |
> |
int ssi; |
252 |
> |
double ssa[2], sum = 0, usum = 0, vsum = 0; |
253 |
> |
/* super-sample voxel */ |
254 |
> |
for (ssi = NSSAMP; ssi--; ) { |
255 |
> |
SDmultiSamp(ssa, 2, (ssi+frandom()) * |
256 |
> |
(1./NSSAMP)); |
257 |
> |
SDsquare2disk(iovec+3, (ox+ssa[0])*sqfact, |
258 |
> |
(oy+ssa[1])*sqfact); |
259 |
> |
iovec[5] = output_orient * |
260 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
261 |
> |
eval_rbfcol(&sdv, rbf, iovec+3); |
262 |
> |
sum += sdv.cieY; |
263 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
264 |
> |
sdv.cieY /= |
265 |
> |
-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.; |
266 |
> |
usum += 4.*sdv.spec.cx * sdv.cieY; |
267 |
> |
vsum += 9.*sdv.spec.cy * sdv.cieY; |
268 |
> |
} |
269 |
> |
} |
270 |
> |
bsdf = sum * (1./NSSAMP); |
271 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
272 |
> |
uv[0] = usum / (sum+FTINY); |
273 |
> |
uv[1] = vsum / (sum+FTINY); |
274 |
> |
} |
275 |
> |
} else |
276 |
> |
#endif |
277 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
278 |
> |
uv[0] = uv[1] = 1. / |
279 |
> |
(-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.); |
280 |
> |
uv[0] *= 4.*sdv.spec.cx; |
281 |
> |
uv[1] *= 9.*sdv.spec.cy; |
282 |
> |
} |
283 |
> |
} else { |
284 |
> |
bsdf = val_next[oy]; |
285 |
> |
if (ox < sqres-1) { |
286 |
> |
if (assignD) { |
287 |
> |
varset("Dx", '=', -iovec[3]); |
288 |
> |
varset("Dy", '=', -iovec[4]); |
289 |
> |
varset("Dz", '=', -iovec[5]); |
290 |
> |
++eclock; |
291 |
> |
} |
292 |
> |
val_next[oy] = funvalue(funame, 6, iovec); |
293 |
> |
} |
294 |
> |
#if (NSSAMP > 0) |
295 |
> |
if (abs_diff(bsdf, val_next[oy]) > ssamp_thresh || |
296 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
297 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
298 |
> |
(oy < sqres-1 && |
299 |
> |
abs_diff(bsdf, val_next[oy+1]) > ssamp_thresh)) { |
300 |
> |
int ssi; |
301 |
> |
double ssa[4], ssvec[6], sum = 0; |
302 |
> |
/* super-sample voxel */ |
303 |
> |
for (ssi = NSSAMP; ssi--; ) { |
304 |
> |
SDmultiSamp(ssa, 4, (ssi+frandom()) * |
305 |
> |
(1./NSSAMP)); |
306 |
> |
ssvec[0] = 2.*sqfact*(ix+ssa[0]) - 1.; |
307 |
> |
ssvec[1] = zipsgn*sqfact*ssa[1]; |
308 |
> |
ssvec[2] = 1. - ssvec[0]*ssvec[0] |
309 |
> |
- ssvec[1]*ssvec[1]; |
310 |
> |
if (ssvec[2] < .0) { |
311 |
> |
ssvec[1] = 0; |
312 |
> |
ssvec[2] = 1. - ssvec[0]*ssvec[0]; |
313 |
> |
} |
314 |
> |
ssvec[2] = input_orient * sqrt(ssvec[2]); |
315 |
> |
SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, |
316 |
> |
(oy+ssa[3])*sqfact); |
317 |
> |
ssvec[5] = output_orient * |
318 |
> |
sqrt(1. - ssvec[3]*ssvec[3] - |
319 |
> |
ssvec[4]*ssvec[4]); |
320 |
> |
if (assignD) { |
321 |
> |
varset("Dx", '=', -ssvec[3]); |
322 |
> |
varset("Dy", '=', -ssvec[4]); |
323 |
> |
varset("Dz", '=', -ssvec[5]); |
324 |
> |
++eclock; |
325 |
> |
} |
326 |
> |
sum += funvalue(funame, 6, ssvec); |
327 |
> |
} |
328 |
> |
bsdf = sum * (1./NSSAMP); |
329 |
> |
} |
330 |
> |
#endif |
331 |
> |
} |
332 |
|
if (pctcull >= 0) |
333 |
< |
fwrite(&bsdf, sizeof(bsdf), 1, ofp); |
333 |
> |
putbinary(&bsdf, sizeof(bsdf), 1, ofp); |
334 |
|
else |
335 |
< |
printf("\t%.3e\n", bsdf); |
335 |
> |
fprintf(ofp, "\t%.3e\n", bsdf); |
336 |
> |
|
337 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
338 |
> |
if (pctcull >= 0) { |
339 |
> |
putbinary(&uv[0], sizeof(*uv), 1, uvfp[0]); |
340 |
> |
putbinary(&uv[1], sizeof(*uv), 1, uvfp[1]); |
341 |
> |
} else { |
342 |
> |
fprintf(uvfp[0], "\t%.3e\n", uv[0]); |
343 |
> |
fprintf(uvfp[1], "\t%.3e\n", uv[1]); |
344 |
> |
} |
345 |
> |
} |
346 |
> |
if (val_last != NULL) |
347 |
> |
val_last[oy] = bsdf; |
348 |
|
} |
349 |
< |
free(rbf); |
349 |
> |
} |
350 |
> |
if (rbf != NULL) |
351 |
> |
free(rbf); |
352 |
> |
prog_show((ix+1.)*(2.*sqfact)); |
353 |
|
} |
354 |
+ |
prog_done(); |
355 |
+ |
if (val_last != NULL) { |
356 |
+ |
free(val_last); |
357 |
+ |
if (val_next != NULL) free(val_next); |
358 |
+ |
if (sdv_next != NULL) free(sdv_next); |
359 |
+ |
} |
360 |
|
if (pctcull >= 0) { /* finish output */ |
361 |
|
if (pclose(ofp)) { |
362 |
< |
fprintf(stderr, "%s: error running '%s'\n", |
363 |
< |
progname, cmd); |
362 |
> |
fprintf(stderr, "%s: error running rttree_reduce on Y\n", |
363 |
> |
progname); |
364 |
|
exit(1); |
365 |
|
} |
366 |
+ |
if (rbf_colorimetry == RBCtristimulus && |
367 |
+ |
(pclose(uvfp[0]) || pclose(uvfp[1]))) { |
368 |
+ |
fprintf(stderr, "%s: error running rttree_reduce on uv\n", |
369 |
+ |
progname); |
370 |
+ |
exit(1); |
371 |
+ |
} |
372 |
|
} else { |
373 |
|
for (ix = sqres*sqres*sqres/2; ix--; ) |
374 |
< |
fputs("\t0\n", stdout); |
375 |
< |
fputs("}\n", stdout); |
374 |
> |
fputs("\t0\n", ofp); |
375 |
> |
fputs("}\n", ofp); |
376 |
> |
if (fclose(ofp)) { |
377 |
> |
fprintf(stderr, "%s: error writing Y file\n", |
378 |
> |
progname); |
379 |
> |
exit(1); |
380 |
> |
} |
381 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
382 |
> |
for (ix = sqres*sqres*sqres/2; ix--; ) { |
383 |
> |
fputs("\t0\n", uvfp[0]); |
384 |
> |
fputs("\t0\n", uvfp[1]); |
385 |
> |
} |
386 |
> |
fputs("}\n", uvfp[0]); |
387 |
> |
fputs("}\n", uvfp[1]); |
388 |
> |
if (fclose(uvfp[0]) || fclose(uvfp[1])) { |
389 |
> |
fprintf(stderr, "%s: error writing uv file(s)\n", |
390 |
> |
progname); |
391 |
> |
exit(1); |
392 |
> |
} |
393 |
> |
} |
394 |
|
} |
395 |
|
} |
396 |
|
|
397 |
|
/* Interpolate and output anisotropic BSDF data */ |
398 |
|
static void |
399 |
< |
interp_anisotropic() |
399 |
> |
eval_anisotropic(char *funame) |
400 |
|
{ |
401 |
|
const int sqres = 1<<samp_order; |
402 |
< |
FILE *ofp = NULL; |
402 |
> |
const double sqfact = 1./(double)sqres; |
403 |
> |
float *val_last = NULL; |
404 |
> |
float *val_next = NULL; |
405 |
> |
SDValue *sdv_next = NULL; |
406 |
> |
FILE *ofp, *uvfp[2]; |
407 |
> |
int assignD = 0; |
408 |
|
char cmd[128]; |
409 |
|
int ix, iy, ox, oy; |
410 |
< |
FVECT ivec, ovec; |
411 |
< |
double bsdf; |
412 |
< |
#if DEBUG |
413 |
< |
fprintf(stderr, "Writing anisotropic order %d ", samp_order); |
414 |
< |
if (pctcull >= 0) fprintf(stderr, "data with %d%% culling\n", pctcull); |
415 |
< |
else fputs("raw data\n", stderr); |
416 |
< |
#endif |
417 |
< |
if (pctcull >= 0) { /* begin output */ |
418 |
< |
sprintf(cmd, "rttree_reduce -h -a -fd -r 4 -t %d -g %d", |
101 |
< |
pctcull, samp_order); |
102 |
< |
fflush(stdout); |
410 |
> |
double iovec[6]; |
411 |
> |
float bsdf, uv[2]; |
412 |
> |
|
413 |
> |
if (pctcull >= 0) { |
414 |
> |
const char *avgopt = (input_orient>0 ^ output_orient>0) |
415 |
> |
? "" : recip; |
416 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d > %s", |
417 |
> |
avgopt, pctcull, samp_order, |
418 |
> |
create_component_file(0)); |
419 |
|
ofp = popen(cmd, "w"); |
420 |
|
if (ofp == NULL) { |
421 |
|
fprintf(stderr, "%s: cannot create pipe to rttree_reduce\n", |
422 |
|
progname); |
423 |
|
exit(1); |
424 |
|
} |
425 |
< |
} else |
426 |
< |
fputs("{\n", stdout); |
425 |
> |
SET_FILE_BINARY(ofp); |
426 |
> |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
427 |
> |
flockfile(ofp); |
428 |
> |
#endif |
429 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
430 |
> |
double uvcull = 100. - (100.-pctcull)*.25; |
431 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d > %s", |
432 |
> |
avgopt, uvcull, samp_order, |
433 |
> |
create_component_file(1)); |
434 |
> |
uvfp[0] = popen(cmd, "w"); |
435 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d > %s", |
436 |
> |
avgopt, uvcull, samp_order, |
437 |
> |
create_component_file(2)); |
438 |
> |
uvfp[1] = popen(cmd, "w"); |
439 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
440 |
> |
fprintf(stderr, "%s: cannot open pipes to uv output\n", |
441 |
> |
progname); |
442 |
> |
exit(1); |
443 |
> |
} |
444 |
> |
SET_FILE_BINARY(uvfp[0]); SET_FILE_BINARY(uvfp[1]); |
445 |
> |
#ifdef getc_unlocked |
446 |
> |
flockfile(uvfp[0]); flockfile(uvfp[1]); |
447 |
> |
#endif |
448 |
> |
} |
449 |
> |
} else { |
450 |
> |
ofp = fopen(create_component_file(0), "w"); |
451 |
> |
if (ofp == NULL) { |
452 |
> |
fprintf(stderr, "%s: cannot create Y output file\n", |
453 |
> |
progname); |
454 |
> |
exit(1); |
455 |
> |
} |
456 |
> |
fputs("{\n", ofp); |
457 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
458 |
> |
uvfp[0] = fopen(create_component_file(1), "w"); |
459 |
> |
uvfp[1] = fopen(create_component_file(2), "w"); |
460 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
461 |
> |
fprintf(stderr, "%s: cannot create uv output file(s)\n", |
462 |
> |
progname); |
463 |
> |
exit(1); |
464 |
> |
} |
465 |
> |
fputs("{\n", uvfp[0]); |
466 |
> |
fputs("{\n", uvfp[1]); |
467 |
> |
} |
468 |
> |
} |
469 |
> |
if (funame != NULL) /* need to assign Dx, Dy, Dz? */ |
470 |
> |
assignD = (fundefined(funame) < 6); |
471 |
> |
#if (NSSAMP > 0) |
472 |
> |
val_last = (float *)calloc(sqres, sizeof(float)); |
473 |
> |
if (funame == NULL) |
474 |
> |
sdv_next = (SDValue *)malloc(sizeof(SDValue)*sqres); |
475 |
> |
else |
476 |
> |
val_next = (float *)malloc(sizeof(float)*sqres); |
477 |
> |
#endif |
478 |
|
/* run through directions */ |
479 |
|
for (ix = 0; ix < sqres; ix++) |
480 |
|
for (iy = 0; iy < sqres; iy++) { |
481 |
< |
RBFNODE *rbf; |
482 |
< |
SDsquare2disk(ivec, (ix+.5)/sqres, (iy+.5)/sqres); |
483 |
< |
ivec[2] = input_orient * |
484 |
< |
sqrt(1. - ivec[0]*ivec[0] - ivec[1]*ivec[1]); |
485 |
< |
rbf = advect_rbf(ivec); |
486 |
< |
for (ox = 0; ox < sqres; ox++) |
481 |
> |
RBFNODE *rbf = NULL; /* Klems reversal */ |
482 |
> |
SDsquare2disk(iovec, 1.-(ix+.5)*sqfact, 1.-(iy+.5)*sqfact); |
483 |
> |
iovec[2] = input_orient * |
484 |
> |
sqrt(1. - iovec[0]*iovec[0] - iovec[1]*iovec[1]); |
485 |
> |
if (funame == NULL) |
486 |
> |
rbf = advect_rbf(iovec, lobe_lim); |
487 |
> |
/* presample first row */ |
488 |
> |
for (oy = 0; oy < sqres; oy++) { |
489 |
> |
SDsquare2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); |
490 |
> |
iovec[5] = output_orient * |
491 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
492 |
> |
if (funame == NULL) { |
493 |
> |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
494 |
> |
} else { |
495 |
> |
if (assignD) { |
496 |
> |
varset("Dx", '=', -iovec[3]); |
497 |
> |
varset("Dy", '=', -iovec[4]); |
498 |
> |
varset("Dz", '=', -iovec[5]); |
499 |
> |
++eclock; |
500 |
> |
} |
501 |
> |
val_next[oy] = funvalue(funame, 6, iovec); |
502 |
> |
} |
503 |
> |
} |
504 |
> |
for (ox = 0; ox < sqres; ox++) { |
505 |
> |
/* |
506 |
> |
* Super-sample when we detect a difference from before |
507 |
> |
* or after in this row, above or below. |
508 |
> |
*/ |
509 |
|
for (oy = 0; oy < sqres; oy++) { |
510 |
< |
SDsquare2disk(ovec, (ox+.5)/sqres, (oy+.5)/sqres); |
511 |
< |
ovec[2] = output_orient * |
512 |
< |
sqrt(1. - ovec[0]*ovec[0] - ovec[1]*ovec[1]); |
513 |
< |
bsdf = eval_rbfrep(rbf, ovec) / fabs(ovec[2]); |
510 |
> |
if (ox < sqres-1) { /* keeping one row ahead... */ |
511 |
> |
SDsquare2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); |
512 |
> |
iovec[5] = output_orient * |
513 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
514 |
> |
} |
515 |
> |
if (funame == NULL) { |
516 |
> |
SDValue sdv = sdv_next[oy]; |
517 |
> |
bsdf = sdv.cieY; |
518 |
> |
if (ox < sqres-1) |
519 |
> |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
520 |
> |
#if (NSSAMP > 0) |
521 |
> |
if (abs_diff(bsdf, sdv_next[oy].cieY) > ssamp_thresh || |
522 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
523 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
524 |
> |
(oy < sqres-1 && |
525 |
> |
abs_diff(bsdf, sdv_next[oy+1].cieY) > ssamp_thresh)) { |
526 |
> |
int ssi; |
527 |
> |
double ssa[2], sum = 0, usum = 0, vsum = 0; |
528 |
> |
/* super-sample voxel */ |
529 |
> |
for (ssi = NSSAMP; ssi--; ) { |
530 |
> |
SDmultiSamp(ssa, 2, (ssi+frandom()) * |
531 |
> |
(1./NSSAMP)); |
532 |
> |
SDsquare2disk(iovec+3, (ox+ssa[0])*sqfact, |
533 |
> |
(oy+ssa[1])*sqfact); |
534 |
> |
iovec[5] = output_orient * |
535 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
536 |
> |
eval_rbfcol(&sdv, rbf, iovec+3); |
537 |
> |
sum += sdv.cieY; |
538 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
539 |
> |
sdv.cieY /= |
540 |
> |
-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.; |
541 |
> |
usum += 4.*sdv.spec.cx * sdv.cieY; |
542 |
> |
vsum += 9.*sdv.spec.cy * sdv.cieY; |
543 |
> |
} |
544 |
> |
} |
545 |
> |
bsdf = sum * (1./NSSAMP); |
546 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
547 |
> |
uv[0] = usum / (sum+FTINY); |
548 |
> |
uv[1] = vsum / (sum+FTINY); |
549 |
> |
} |
550 |
> |
} else |
551 |
> |
#endif |
552 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
553 |
> |
uv[0] = uv[1] = 1. / |
554 |
> |
(-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.); |
555 |
> |
uv[0] *= 4.*sdv.spec.cx; |
556 |
> |
uv[1] *= 9.*sdv.spec.cy; |
557 |
> |
} |
558 |
> |
} else { |
559 |
> |
bsdf = val_next[oy]; |
560 |
> |
if (ox < sqres-1) { |
561 |
> |
if (assignD) { |
562 |
> |
varset("Dx", '=', -iovec[3]); |
563 |
> |
varset("Dy", '=', -iovec[4]); |
564 |
> |
varset("Dz", '=', -iovec[5]); |
565 |
> |
++eclock; |
566 |
> |
} |
567 |
> |
val_next[oy] = funvalue(funame, 6, iovec); |
568 |
> |
} |
569 |
> |
#if (NSSAMP > 0) |
570 |
> |
if (abs_diff(bsdf, val_next[oy]) > ssamp_thresh || |
571 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
572 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
573 |
> |
(oy < sqres-1 && |
574 |
> |
abs_diff(bsdf, val_next[oy+1]) > ssamp_thresh)) { |
575 |
> |
int ssi; |
576 |
> |
double ssa[4], ssvec[6], sum = 0; |
577 |
> |
/* super-sample voxel */ |
578 |
> |
for (ssi = NSSAMP; ssi--; ) { |
579 |
> |
SDmultiSamp(ssa, 4, (ssi+frandom()) * |
580 |
> |
(1./NSSAMP)); |
581 |
> |
SDsquare2disk(ssvec, 1.-(ix+ssa[0])*sqfact, |
582 |
> |
1.-(iy+ssa[1])*sqfact); |
583 |
> |
ssvec[2] = input_orient * |
584 |
> |
sqrt(1. - ssvec[0]*ssvec[0] - |
585 |
> |
ssvec[1]*ssvec[1]); |
586 |
> |
SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, |
587 |
> |
(oy+ssa[3])*sqfact); |
588 |
> |
ssvec[5] = output_orient * |
589 |
> |
sqrt(1. - ssvec[3]*ssvec[3] - |
590 |
> |
ssvec[4]*ssvec[4]); |
591 |
> |
if (assignD) { |
592 |
> |
varset("Dx", '=', -ssvec[3]); |
593 |
> |
varset("Dy", '=', -ssvec[4]); |
594 |
> |
varset("Dz", '=', -ssvec[5]); |
595 |
> |
++eclock; |
596 |
> |
} |
597 |
> |
sum += funvalue(funame, 6, ssvec); |
598 |
> |
} |
599 |
> |
bsdf = sum * (1./NSSAMP); |
600 |
> |
} |
601 |
> |
#endif |
602 |
> |
} |
603 |
|
if (pctcull >= 0) |
604 |
< |
fwrite(&bsdf, sizeof(bsdf), 1, ofp); |
604 |
> |
putbinary(&bsdf, sizeof(bsdf), 1, ofp); |
605 |
|
else |
606 |
< |
printf("\t%.3e\n", bsdf); |
606 |
> |
fprintf(ofp, "\t%.3e\n", bsdf); |
607 |
> |
|
608 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
609 |
> |
if (pctcull >= 0) { |
610 |
> |
putbinary(&uv[0], sizeof(*uv), 1, uvfp[0]); |
611 |
> |
putbinary(&uv[1], sizeof(*uv), 1, uvfp[1]); |
612 |
> |
} else { |
613 |
> |
fprintf(uvfp[0], "\t%.3e\n", uv[0]); |
614 |
> |
fprintf(uvfp[1], "\t%.3e\n", uv[1]); |
615 |
> |
} |
616 |
> |
} |
617 |
> |
if (val_last != NULL) |
618 |
> |
val_last[oy] = bsdf; |
619 |
|
} |
620 |
< |
free(rbf); |
620 |
> |
} |
621 |
> |
if (rbf != NULL) |
622 |
> |
free(rbf); |
623 |
> |
prog_show((ix*sqres+iy+1.)/(sqres*sqres)); |
624 |
|
} |
625 |
+ |
prog_done(); |
626 |
+ |
if (val_last != NULL) { |
627 |
+ |
free(val_last); |
628 |
+ |
if (val_next != NULL) free(val_next); |
629 |
+ |
if (sdv_next != NULL) free(sdv_next); |
630 |
+ |
} |
631 |
|
if (pctcull >= 0) { /* finish output */ |
632 |
|
if (pclose(ofp)) { |
633 |
< |
fprintf(stderr, "%s: error running '%s'\n", |
634 |
< |
progname, cmd); |
633 |
> |
fprintf(stderr, "%s: error running rttree_reduce on Y\n", |
634 |
> |
progname); |
635 |
|
exit(1); |
636 |
|
} |
637 |
< |
} else |
638 |
< |
fputs("}\n", stdout); |
637 |
> |
if (rbf_colorimetry == RBCtristimulus && |
638 |
> |
(pclose(uvfp[0]) || pclose(uvfp[1]))) { |
639 |
> |
fprintf(stderr, "%s: error running rttree_reduce on uv\n", |
640 |
> |
progname); |
641 |
> |
exit(1); |
642 |
> |
} |
643 |
> |
} else { |
644 |
> |
fputs("}\n", ofp); |
645 |
> |
if (fclose(ofp)) { |
646 |
> |
fprintf(stderr, "%s: error writing Y file\n", |
647 |
> |
progname); |
648 |
> |
exit(1); |
649 |
> |
} |
650 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
651 |
> |
fputs("}\n", uvfp[0]); |
652 |
> |
fputs("}\n", uvfp[1]); |
653 |
> |
if (fclose(uvfp[0]) || fclose(uvfp[1])) { |
654 |
> |
fprintf(stderr, "%s: error writing uv file(s)\n", |
655 |
> |
progname); |
656 |
> |
exit(1); |
657 |
> |
} |
658 |
> |
} |
659 |
> |
} |
660 |
|
} |
661 |
|
|
662 |
+ |
#if defined(_WIN32) || defined(_WIN64) |
663 |
+ |
/* Execute wrapBSDF command (may never return) */ |
664 |
+ |
static int |
665 |
+ |
wrap_up(void) |
666 |
+ |
{ |
667 |
+ |
char cmd[8192]; |
668 |
+ |
|
669 |
+ |
if (bsdf_manuf[0]) { |
670 |
+ |
add_wbsdf("-f", 1); |
671 |
+ |
strcpy(cmd, "m="); |
672 |
+ |
strcpy(cmd+2, bsdf_manuf); |
673 |
+ |
add_wbsdf(cmd, 0); |
674 |
+ |
} |
675 |
+ |
if (bsdf_name[0]) { |
676 |
+ |
add_wbsdf("-f", 1); |
677 |
+ |
strcpy(cmd, "n="); |
678 |
+ |
strcpy(cmd+2, bsdf_name); |
679 |
+ |
add_wbsdf(cmd, 0); |
680 |
+ |
} |
681 |
+ |
if (!convert_commandline(cmd, sizeof(cmd), wrapBSDF)) { |
682 |
+ |
fputs(progname, stderr); |
683 |
+ |
fputs(": command line too long in wrap_up()\n", stderr); |
684 |
+ |
return(1); |
685 |
+ |
} |
686 |
+ |
return(system(cmd)); |
687 |
+ |
} |
688 |
+ |
#else |
689 |
+ |
/* Execute wrapBSDF command (may never return) */ |
690 |
+ |
static int |
691 |
+ |
wrap_up(void) |
692 |
+ |
{ |
693 |
+ |
char buf[256]; |
694 |
+ |
char *compath = getpath((char *)wrapBSDF[0], getenv("PATH"), X_OK); |
695 |
+ |
|
696 |
+ |
if (compath == NULL) { |
697 |
+ |
fprintf(stderr, "%s: cannot locate %s\n", progname, wrapBSDF[0]); |
698 |
+ |
return(1); |
699 |
+ |
} |
700 |
+ |
if (bsdf_manuf[0]) { |
701 |
+ |
add_wbsdf("-f", 1); |
702 |
+ |
strcpy(buf, "m="); |
703 |
+ |
strcpy(buf+2, bsdf_manuf); |
704 |
+ |
add_wbsdf(buf, 0); |
705 |
+ |
} |
706 |
+ |
if (bsdf_name[0]) { |
707 |
+ |
add_wbsdf("-f", 1); |
708 |
+ |
strcpy(buf, "n="); |
709 |
+ |
strcpy(buf+2, bsdf_name); |
710 |
+ |
add_wbsdf(buf, 0); |
711 |
+ |
} |
712 |
+ |
execv(compath, wrapBSDF); /* successful call never returns */ |
713 |
+ |
perror(compath); |
714 |
+ |
return(1); |
715 |
+ |
} |
716 |
+ |
#endif |
717 |
+ |
|
718 |
|
/* Read in BSDF and interpolate as tensor tree representation */ |
719 |
|
int |
720 |
|
main(int argc, char *argv[]) |
721 |
|
{ |
722 |
< |
FILE *fpin = stdin; |
723 |
< |
int i; |
722 |
> |
static char tfmt[2][4] = {"t4", "t3"}; |
723 |
> |
int dofwd = 0, dobwd = 1; |
724 |
> |
char buf[2048]; |
725 |
> |
int i, na; |
726 |
|
|
727 |
< |
progname = argv[0]; /* get options */ |
728 |
< |
while (argc > 2 && argv[1][0] == '-') { |
729 |
< |
switch (argv[1][1]) { |
727 |
> |
progname = argv[0]; |
728 |
> |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
729 |
> |
esupport &= ~(E_INCHAN|E_OUTCHAN); |
730 |
> |
scompile("PI:3.14159265358979323846", NULL, 0); |
731 |
> |
biggerlib(); |
732 |
> |
for (i = 1; i < argc && (argv[i][0] == '-') | (argv[i][0] == '+'); i++) |
733 |
> |
switch (argv[i][1]) { /* get options */ |
734 |
> |
case 'e': |
735 |
> |
scompile(argv[++i], NULL, 0); |
736 |
> |
if (single_plane_incident < 0) |
737 |
> |
single_plane_incident = 0; |
738 |
> |
break; |
739 |
> |
case 'f': |
740 |
> |
if (!argv[i][2]) { |
741 |
> |
if (strchr(argv[++i], '=') != NULL) { |
742 |
> |
add_wbsdf("-f", 1); |
743 |
> |
add_wbsdf(argv[i], 1); |
744 |
> |
} else { |
745 |
> |
char *fpath = getpath(argv[i], |
746 |
> |
getrlibpath(), 0); |
747 |
> |
if (fpath == NULL) { |
748 |
> |
fprintf(stderr, |
749 |
> |
"%s: cannot find file '%s'\n", |
750 |
> |
argv[0], argv[i]); |
751 |
> |
return(1); |
752 |
> |
} |
753 |
> |
fcompile(fpath); |
754 |
> |
if (single_plane_incident < 0) |
755 |
> |
single_plane_incident = 0; |
756 |
> |
} |
757 |
> |
} else |
758 |
> |
dofwd = (argv[i][0] == '+'); |
759 |
> |
break; |
760 |
> |
case 'a': |
761 |
> |
recip = (argv[i][0] == '+') ? " -a" : ""; |
762 |
> |
break; |
763 |
> |
case 'b': |
764 |
> |
dobwd = (argv[i][0] == '+'); |
765 |
> |
break; |
766 |
|
case 't': |
767 |
< |
pctcull = atoi(argv[2]); |
767 |
> |
switch (argv[i][2]) { |
768 |
> |
case '3': |
769 |
> |
single_plane_incident = 1; |
770 |
> |
break; |
771 |
> |
case '4': |
772 |
> |
single_plane_incident = 0; |
773 |
> |
break; |
774 |
> |
case '\0': |
775 |
> |
pctcull = atof(argv[++i]); |
776 |
> |
break; |
777 |
> |
default: |
778 |
> |
goto userr; |
779 |
> |
} |
780 |
|
break; |
781 |
|
case 'g': |
782 |
< |
samp_order = atoi(argv[2]); |
782 |
> |
samp_order = atoi(argv[++i]); |
783 |
|
break; |
784 |
+ |
case 'l': |
785 |
+ |
lobe_lim = atoi(argv[++i]); |
786 |
+ |
break; |
787 |
+ |
case 'p': |
788 |
+ |
do_prog = atoi(argv[i]+2); |
789 |
+ |
break; |
790 |
+ |
case 'W': |
791 |
+ |
add_wbsdf(argv[i], 1); |
792 |
+ |
break; |
793 |
+ |
case 'u': |
794 |
+ |
case 'C': |
795 |
+ |
add_wbsdf(argv[i], 1); |
796 |
+ |
add_wbsdf(argv[++i], 1); |
797 |
+ |
break; |
798 |
|
default: |
799 |
|
goto userr; |
800 |
|
} |
801 |
< |
argv += 2; argc -= 2; |
801 |
> |
strcpy(buf, "File produced by: "); |
802 |
> |
if (convert_commandline(buf+18, sizeof(buf)-18, argv) != NULL) { |
803 |
> |
add_wbsdf("-C", 1); add_wbsdf(buf, 0); |
804 |
|
} |
805 |
< |
if (argc == 2) { /* open input if given */ |
806 |
< |
fpin = fopen(argv[1], "r"); |
807 |
< |
if (fpin == NULL) { |
808 |
< |
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
809 |
< |
progname, argv[1]); |
810 |
< |
return(1); |
805 |
> |
if (single_plane_incident >= 0) { /* function-based BSDF? */ |
806 |
> |
void (*evf)(char *s) = single_plane_incident ? |
807 |
> |
eval_isotropic : eval_anisotropic; |
808 |
> |
if (i != argc-1 || fundefined(argv[i]) < 3) { |
809 |
> |
fprintf(stderr, |
810 |
> |
"%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", |
811 |
> |
progname); |
812 |
> |
fprintf(stderr, "\tor 3 arguments using Dx,Dy,Dz: bsdf(ix,iy,iz)\n"); |
813 |
> |
goto userr; |
814 |
|
} |
815 |
< |
} else if (argc != 1) |
816 |
< |
goto userr; |
817 |
< |
SET_FILE_BINARY(fpin); /* load BSDF interpolant */ |
818 |
< |
if (!load_bsdf_rep(fpin)) |
815 |
> |
++eclock; |
816 |
> |
ssamp_thresh *= 0.5; /* lower sampling threshold */ |
817 |
> |
add_wbsdf("-a", 1); |
818 |
> |
add_wbsdf(tfmt[single_plane_incident], 1); |
819 |
> |
if (dofwd) { |
820 |
> |
input_orient = -1; |
821 |
> |
output_orient = -1; |
822 |
> |
prog_start("Evaluating outside reflectance"); |
823 |
> |
(*evf)(argv[i]); |
824 |
> |
output_orient = 1; |
825 |
> |
prog_start("Evaluating outside->inside transmission"); |
826 |
> |
(*evf)(argv[i]); |
827 |
> |
} |
828 |
> |
if (dobwd) { |
829 |
> |
input_orient = 1; |
830 |
> |
output_orient = 1; |
831 |
> |
prog_start("Evaluating inside reflectance"); |
832 |
> |
(*evf)(argv[i]); |
833 |
> |
output_orient = -1; |
834 |
> |
prog_start("Evaluating inside->outside transmission"); |
835 |
> |
(*evf)(argv[i]); |
836 |
> |
} |
837 |
> |
return(wrap_up()); |
838 |
> |
} |
839 |
> |
if (i < argc) { /* open input files if given */ |
840 |
> |
int nbsdf = 0; |
841 |
> |
for ( ; i < argc; i++) { /* interpolate each component */ |
842 |
> |
char pbuf[256]; |
843 |
> |
FILE *fpin = fopen(argv[i], "rb"); |
844 |
> |
if (fpin == NULL) { |
845 |
> |
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
846 |
> |
progname, argv[i]); |
847 |
> |
return(1); |
848 |
> |
} |
849 |
> |
if (!load_bsdf_rep(fpin)) |
850 |
> |
return(1); |
851 |
> |
fclose(fpin); |
852 |
> |
sprintf(pbuf, "Interpolating component '%s'", argv[i]); |
853 |
> |
prog_start(pbuf); |
854 |
> |
if (!nbsdf++) { |
855 |
> |
add_wbsdf("-a", 1); |
856 |
> |
add_wbsdf(tfmt[single_plane_incident], 1); |
857 |
> |
} |
858 |
> |
if (single_plane_incident) |
859 |
> |
eval_isotropic(NULL); |
860 |
> |
else |
861 |
> |
eval_anisotropic(NULL); |
862 |
> |
} |
863 |
> |
return(wrap_up()); |
864 |
> |
} |
865 |
> |
SET_FILE_BINARY(stdin); /* load from stdin */ |
866 |
> |
if (!load_bsdf_rep(stdin)) |
867 |
|
return(1); |
868 |
< |
draw_edges(); |
869 |
< |
/* xml_prologue(); /* start XML output */ |
868 |
> |
prog_start("Interpolating from standard input"); |
869 |
> |
add_wbsdf("-a", 1); |
870 |
> |
add_wbsdf(tfmt[single_plane_incident], 1); |
871 |
|
if (single_plane_incident) /* resample dist. */ |
872 |
< |
interp_isotropic(); |
872 |
> |
eval_isotropic(NULL); |
873 |
|
else |
874 |
< |
interp_anisotropic(); |
875 |
< |
/* xml_epilogue(); /* finish XML output */ |
876 |
< |
return(0); |
874 |
> |
eval_anisotropic(NULL); |
875 |
> |
|
876 |
> |
return(wrap_up()); |
877 |
|
userr: |
878 |
|
fprintf(stderr, |
879 |
< |
"Usage: %s [-t pctcull][-g log2grid] [bsdf.sir] > bsdf.xml\n", |
879 |
> |
"Usage: %s [{+|-}a][-g Nlog2][-t pctcull][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", |
880 |
> |
progname); |
881 |
> |
fprintf(stderr, |
882 |
> |
" or: %s -t{3|4} [{+|-}a][-g Nlog2][-t pctcull][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |
883 |
|
progname); |
884 |
|
return(1); |
885 |
|
} |