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 "rtprocess.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 |
< |
double 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 |
< |
const double ssamp_thresh = 0.35; |
28 |
> |
static double ssamp_thresh = 0.35; |
29 |
|
/* number of super-samples */ |
30 |
< |
const int nssamp = 100; |
30 |
> |
static int nssamp = 256; |
31 |
|
/* limit on number of RBF lobes */ |
32 |
|
static int lobe_lim = 15000; |
33 |
+ |
/* progress bar length */ |
34 |
+ |
static int do_prog = 79; |
35 |
|
|
36 |
< |
/* Output XML prologue to stdout */ |
36 |
> |
#define MAXCARG 512 /* wrapBSDF command */ |
37 |
> |
static char *wrapBSDF[MAXCARG] = {"wrapBSDF", "-U"}; |
38 |
> |
static int wbsdfac = 2; |
39 |
> |
|
40 |
> |
/* Add argument to wrapBSDF, allocating space if !isstatic */ |
41 |
|
static void |
42 |
< |
xml_prologue(int ac, char *av[]) |
42 |
> |
add_wbsdf(const char *arg, int isstatic) |
43 |
|
{ |
44 |
< |
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
45 |
< |
puts("<WindowElement xmlns=\"http://windows.lbl.gov\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://windows.lbl.gov/BSDF-v1.4.xsd\">"); |
46 |
< |
fputs("<!-- File produced by:", stdout); |
47 |
< |
while (ac-- > 0) { |
48 |
< |
fputc(' ', stdout); |
49 |
< |
fputs(*av++, stdout); |
44 |
> |
if (arg == NULL) |
45 |
> |
return; |
46 |
> |
if (wbsdfac >= MAXCARG-1) { |
47 |
> |
fputs(progname, stderr); |
48 |
> |
fputs(": too many command arguments to wrapBSDF\n", stderr); |
49 |
> |
exit(1); |
50 |
|
} |
51 |
< |
puts(" -->"); |
52 |
< |
puts("<WindowElementType>System</WindowElementType>"); |
53 |
< |
puts("<FileType>BSDF</FileType>"); |
54 |
< |
puts("<Optical>"); |
55 |
< |
puts("<Layer>"); |
56 |
< |
puts("\t<Material>"); |
49 |
< |
printf("\t\t<Name>%s</Name>\n", bsdf_name[0] ? bsdf_name : "Unknown"); |
50 |
< |
printf("\t\t<Manufacturer>%s</Manufacturer>\n", |
51 |
< |
bsdf_manuf[0] ? bsdf_manuf : "Unknown"); |
52 |
< |
puts("\t\t<DeviceType>Other</DeviceType>"); |
53 |
< |
puts("\t</Material>"); |
54 |
< |
puts("\t<DataDefinition>"); |
55 |
< |
printf("\t\t<IncidentDataStructure>TensorTree%c</IncidentDataStructure>\n", |
56 |
< |
single_plane_incident ? '3' : '4'); |
57 |
< |
puts("\t</DataDefinition>"); |
51 |
> |
if (!*arg) |
52 |
> |
arg = ""; |
53 |
> |
else if (!isstatic) |
54 |
> |
arg = savqstr((char *)arg); |
55 |
> |
|
56 |
> |
wrapBSDF[wbsdfac++] = (char *)arg; |
57 |
|
} |
58 |
|
|
59 |
< |
/* Output XML data prologue to stdout */ |
60 |
< |
static void |
61 |
< |
data_prologue() |
59 |
> |
/* Create Yuv component file and add appropriate arguments */ |
60 |
> |
static char * |
61 |
> |
create_component_file(int c) |
62 |
|
{ |
63 |
< |
static const char *bsdf_type[4] = { |
64 |
< |
"Reflection Front", |
65 |
< |
"Transmission Front", |
67 |
< |
"Transmission Back", |
68 |
< |
"Reflection Back" |
69 |
< |
}; |
63 |
> |
static const char sname[3][6] = {"CIE-Y", "CIE-u", "CIE-v"}; |
64 |
> |
static const char cname[4][4] = {"-rf", "-tf", "-tb", "-rb"}; |
65 |
> |
char *tfname = mktemp(savqstr(TEMPLATE)); |
66 |
|
|
67 |
< |
puts("\t<WavelengthData>"); |
68 |
< |
puts("\t\t<LayerNumber>System</LayerNumber>"); |
69 |
< |
puts("\t\t<Wavelength unit=\"Integral\">Visible</Wavelength>"); |
70 |
< |
puts("\t\t<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum>"); |
75 |
< |
puts("\t\t<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum>"); |
76 |
< |
puts("\t\t<WavelengthDataBlock>"); |
77 |
< |
printf("\t\t\t<WavelengthDataDirection>%s</WavelengthDataDirection>\n", |
78 |
< |
bsdf_type[(input_orient>0)<<1 | (output_orient>0)]); |
79 |
< |
puts("\t\t\t<AngleBasis>LBNL/Shirley-Chiu</AngleBasis>"); |
80 |
< |
puts("\t\t\t<ScatteringDataType>BTDF</ScatteringDataType>"); |
81 |
< |
puts("\t\t\t<ScatteringData>"); |
67 |
> |
add_wbsdf("-s", 1); add_wbsdf(sname[c], 1); |
68 |
> |
add_wbsdf(cname[(input_orient>0)<<1 | (output_orient>0)], 1); |
69 |
> |
add_wbsdf(tfname, 1); |
70 |
> |
return(tfname); |
71 |
|
} |
72 |
|
|
73 |
< |
/* Output XML data epilogue to stdout */ |
73 |
> |
/* Start new progress bar */ |
74 |
> |
#define prog_start(s) if (do_prog) fprintf(stderr, "%s: %s...\n", progname, s); else |
75 |
> |
|
76 |
> |
/* Draw progress bar of the appropriate length */ |
77 |
|
static void |
78 |
< |
data_epilogue(void) |
78 |
> |
prog_show(double frac) |
79 |
|
{ |
80 |
< |
puts("\t\t\t</ScatteringData>"); |
81 |
< |
puts("\t\t</WavelengthDataBlock>"); |
82 |
< |
puts("\t</WavelengthData>"); |
80 |
> |
static unsigned call_cnt = 0; |
81 |
> |
static char lastc[] = "-\\|/"; |
82 |
> |
char pbar[256]; |
83 |
> |
int nchars; |
84 |
> |
|
85 |
> |
if (do_prog <= 1) return; |
86 |
> |
if (do_prog > sizeof(pbar)-2) |
87 |
> |
do_prog = sizeof(pbar)-2; |
88 |
> |
if (frac < 0) frac = 0; |
89 |
> |
else if (frac >= 1) frac = .9999; |
90 |
> |
nchars = do_prog*frac; |
91 |
> |
pbar[0] = '\r'; |
92 |
> |
memset(pbar+1, '*', nchars); |
93 |
> |
pbar[nchars+1] = lastc[call_cnt++ & 3]; |
94 |
> |
memset(pbar+2+nchars, '-', do_prog-nchars-1); |
95 |
> |
pbar[do_prog+1] = '\0'; |
96 |
> |
fputs(pbar, stderr); |
97 |
|
} |
98 |
|
|
99 |
< |
/* Output XML epilogue to stdout */ |
99 |
> |
/* Finish progress bar */ |
100 |
|
static void |
101 |
< |
xml_epilogue(void) |
101 |
> |
prog_done(void) |
102 |
|
{ |
103 |
< |
puts("</Layer>"); |
104 |
< |
puts("</Optical>"); |
105 |
< |
puts("</WindowElement>"); |
103 |
> |
int n = do_prog; |
104 |
> |
|
105 |
> |
if (n <= 1) return; |
106 |
> |
fputc('\r', stderr); |
107 |
> |
while (n--) |
108 |
> |
fputc(' ', stderr); |
109 |
> |
fputc('\r', stderr); |
110 |
|
} |
111 |
|
|
112 |
|
/* Compute absolute relative difference */ |
126 |
|
eval_isotropic(char *funame) |
127 |
|
{ |
128 |
|
const int sqres = 1<<samp_order; |
129 |
< |
FILE *ofp = NULL; |
129 |
> |
const double sqfact = 1./(double)sqres; |
130 |
> |
float *val_last = NULL; |
131 |
> |
float *val_next = NULL; |
132 |
> |
SDValue *sdv_next = NULL; |
133 |
> |
FILE *ofp, *uvfp[2]; |
134 |
|
int assignD = 0; |
135 |
|
char cmd[128]; |
136 |
|
int ix, ox, oy; |
137 |
|
double iovec[6]; |
138 |
< |
float bsdf; |
138 |
> |
float bsdf, uv[2]; |
139 |
|
|
126 |
– |
data_prologue(); /* begin output */ |
140 |
|
if (pctcull >= 0) { |
141 |
< |
sprintf(cmd, "rttree_reduce -a -h -ff -r 3 -t %f -g %d", |
142 |
< |
pctcull, samp_order); |
130 |
< |
fflush(stdout); |
141 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 3 -t %f -g %d > %s", |
142 |
> |
recip, pctcull, samp_order, create_component_file(0)); |
143 |
|
ofp = popen(cmd, "w"); |
144 |
|
if (ofp == NULL) { |
145 |
|
fprintf(stderr, "%s: cannot create pipe to rttree_reduce\n", |
150 |
|
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
151 |
|
flockfile(ofp); |
152 |
|
#endif |
153 |
< |
} else |
154 |
< |
fputs("{\n", stdout); |
155 |
< |
/* need to assign Dx, Dy, Dz? */ |
156 |
< |
if (funame != NULL) |
153 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
154 |
> |
double uvcull = 100. - (100.-pctcull)*.25; |
155 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 3 -t %f -g %d > %s", |
156 |
> |
recip, uvcull, samp_order, create_component_file(1)); |
157 |
> |
uvfp[0] = popen(cmd, "w"); |
158 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 3 -t %f -g %d > %s", |
159 |
> |
recip, uvcull, samp_order, create_component_file(2)); |
160 |
> |
uvfp[1] = popen(cmd, "w"); |
161 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
162 |
> |
fprintf(stderr, "%s: cannot open pipes to uv output\n", |
163 |
> |
progname); |
164 |
> |
exit(1); |
165 |
> |
} |
166 |
> |
SET_FILE_BINARY(uvfp[0]); SET_FILE_BINARY(uvfp[1]); |
167 |
> |
#ifdef getc_unlocked |
168 |
> |
flockfile(uvfp[0]); flockfile(uvfp[1]); |
169 |
> |
#endif |
170 |
> |
} |
171 |
> |
} else { |
172 |
> |
ofp = fopen(create_component_file(0), "w"); |
173 |
> |
if (ofp == NULL) { |
174 |
> |
fprintf(stderr, "%s: cannot create Y output file\n", |
175 |
> |
progname); |
176 |
> |
exit(1); |
177 |
> |
} |
178 |
> |
fputs("{\n", ofp); |
179 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
180 |
> |
uvfp[0] = fopen(create_component_file(1), "w"); |
181 |
> |
uvfp[1] = fopen(create_component_file(2), "w"); |
182 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
183 |
> |
fprintf(stderr, "%s: cannot create uv output file(s)\n", |
184 |
> |
progname); |
185 |
> |
exit(1); |
186 |
> |
} |
187 |
> |
fputs("{\n", uvfp[0]); |
188 |
> |
fputs("{\n", uvfp[1]); |
189 |
> |
} |
190 |
> |
} |
191 |
> |
if (funame != NULL) /* need to assign Dx, Dy, Dz? */ |
192 |
|
assignD = (fundefined(funame) < 6); |
193 |
+ |
val_last = (float *)calloc(sqres, sizeof(float)); |
194 |
+ |
if (funame == NULL) |
195 |
+ |
sdv_next = (SDValue *)malloc(sizeof(SDValue)*sqres); |
196 |
+ |
else |
197 |
+ |
val_next = (float *)malloc(sizeof(float)*sqres); |
198 |
|
/* run through directions */ |
199 |
|
for (ix = 0; ix < sqres/2; ix++) { |
200 |
< |
RBFNODE *rbf = NULL; |
201 |
< |
iovec[0] = 2.*(ix+.5)/sqres - 1.; |
202 |
< |
iovec[1] = .0; |
203 |
< |
iovec[2] = input_orient * sqrt(1. - iovec[0]*iovec[0]); |
200 |
> |
const int zipsgn = (ix & 1)*2 - 1; |
201 |
> |
RBFNODE *rbf = NULL; |
202 |
> |
iovec[0] = 2.*sqfact*(ix+.5) - 1.; |
203 |
> |
iovec[1] = zipsgn*sqfact*.5; |
204 |
> |
iovec[2] = input_orient * sqrt(1. - iovec[0]*iovec[0] |
205 |
> |
- iovec[1]*iovec[1]); |
206 |
|
if (funame == NULL) |
207 |
|
rbf = advect_rbf(iovec, lobe_lim); |
208 |
+ |
/* presample first row */ |
209 |
+ |
for (oy = 0; oy < sqres; oy++) { |
210 |
+ |
SDsquare2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); |
211 |
+ |
iovec[5] = output_orient * |
212 |
+ |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
213 |
+ |
if (funame == NULL) { |
214 |
+ |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
215 |
+ |
} else { |
216 |
+ |
if (assignD) { |
217 |
+ |
varset("Dx", '=', -iovec[3]); |
218 |
+ |
varset("Dy", '=', -iovec[4]); |
219 |
+ |
varset("Dz", '=', -iovec[5]); |
220 |
+ |
++eclock; |
221 |
+ |
} |
222 |
+ |
val_next[oy] = funvalue(funame, 6, iovec); |
223 |
+ |
} |
224 |
+ |
} |
225 |
|
for (ox = 0; ox < sqres; ox++) { |
226 |
< |
float last_bsdf = -1; |
226 |
> |
/* |
227 |
> |
* Super-sample when we detect a difference from before |
228 |
> |
* or after in this row, above or below. |
229 |
> |
*/ |
230 |
|
for (oy = 0; oy < sqres; oy++) { |
231 |
< |
SDsquare2disk(iovec+3, (ox+.5)/sqres, (oy+.5)/sqres); |
232 |
< |
iovec[5] = output_orient * |
231 |
> |
if (ox < sqres-1) { /* keeping one row ahead... */ |
232 |
> |
SDsquare2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); |
233 |
> |
iovec[5] = output_orient * |
234 |
|
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
235 |
< |
if (funame == NULL) |
236 |
< |
bsdf = eval_rbfrep(rbf, iovec+3) * |
237 |
< |
output_orient/iovec[5]; |
238 |
< |
else { |
239 |
< |
double ssa[3], ssvec[6], sum; |
240 |
< |
int ssi; |
241 |
< |
if (assignD) { |
242 |
< |
varset("Dx", '=', -iovec[3]); |
243 |
< |
varset("Dy", '=', -iovec[4]); |
244 |
< |
varset("Dz", '=', -iovec[5]); |
245 |
< |
++eclock; |
235 |
> |
} |
236 |
> |
if (funame == NULL) { |
237 |
> |
SDValue sdv = sdv_next[oy]; |
238 |
> |
bsdf = sdv.cieY; |
239 |
> |
if (ox < sqres-1) |
240 |
> |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
241 |
> |
if (abs_diff(bsdf, sdv_next[oy].cieY) > ssamp_thresh || |
242 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
243 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
244 |
> |
(oy < sqres-1 && |
245 |
> |
abs_diff(bsdf, sdv_next[oy+1].cieY) > ssamp_thresh)) { |
246 |
> |
int ssi; |
247 |
> |
double ssa[2], sum = 0, usum = 0, vsum = 0; |
248 |
> |
/* super-sample voxel */ |
249 |
> |
for (ssi = nssamp; ssi--; ) { |
250 |
> |
SDmultiSamp(ssa, 2, (ssi+frandom()) / |
251 |
> |
(double)nssamp); |
252 |
> |
SDsquare2disk(iovec+3, (ox+ssa[0])*sqfact, |
253 |
> |
(oy+ssa[1])*sqfact); |
254 |
> |
iovec[5] = output_orient * |
255 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
256 |
> |
eval_rbfcol(&sdv, rbf, iovec+3); |
257 |
> |
sum += sdv.cieY; |
258 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
259 |
> |
sdv.cieY /= |
260 |
> |
-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.; |
261 |
> |
usum += 4.*sdv.spec.cx * sdv.cieY; |
262 |
> |
vsum += 9.*sdv.spec.cy * sdv.cieY; |
263 |
> |
} |
264 |
> |
} |
265 |
> |
bsdf = sum / (double)nssamp; |
266 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
267 |
> |
uv[0] = usum / (sum+FTINY); |
268 |
> |
uv[1] = vsum / (sum+FTINY); |
269 |
> |
} |
270 |
> |
} else |
271 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
272 |
> |
uv[0] = uv[1] = 1. / |
273 |
> |
(-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.); |
274 |
> |
uv[0] *= 4.*sdv.spec.cx; |
275 |
> |
uv[1] *= 9.*sdv.spec.cy; |
276 |
|
} |
277 |
< |
bsdf = funvalue(funame, 6, iovec); |
278 |
< |
if (abs_diff(bsdf, last_bsdf) > ssamp_thresh) { |
279 |
< |
sum = 0; /* super-sample voxel */ |
277 |
> |
} else { |
278 |
> |
bsdf = val_next[oy]; |
279 |
> |
if (ox < sqres-1) { |
280 |
> |
if (assignD) { |
281 |
> |
varset("Dx", '=', -iovec[3]); |
282 |
> |
varset("Dy", '=', -iovec[4]); |
283 |
> |
varset("Dz", '=', -iovec[5]); |
284 |
> |
++eclock; |
285 |
> |
} |
286 |
> |
val_next[oy] = funvalue(funame, 6, iovec); |
287 |
> |
} |
288 |
> |
if (abs_diff(bsdf, val_next[oy]) > ssamp_thresh || |
289 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
290 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
291 |
> |
(oy < sqres-1 && |
292 |
> |
abs_diff(bsdf, val_next[oy+1]) > ssamp_thresh)) { |
293 |
> |
int ssi; |
294 |
> |
double ssa[4], ssvec[6], sum = 0; |
295 |
> |
/* super-sample voxel */ |
296 |
|
for (ssi = nssamp; ssi--; ) { |
297 |
< |
SDmultiSamp(ssa, 3, (ssi+frandom())/nssamp); |
298 |
< |
ssvec[0] = 2.*(ix+ssa[0])/sqres - 1.; |
299 |
< |
ssvec[1] = .0; |
300 |
< |
ssvec[2] = input_orient * |
301 |
< |
sqrt(1. - ssvec[0]*ssvec[0]); |
302 |
< |
SDsquare2disk(ssvec+3, (ox+ssa[1])/sqres, |
303 |
< |
(oy+ssa[2])/sqres); |
297 |
> |
SDmultiSamp(ssa, 4, (ssi+frandom()) / |
298 |
> |
(double)nssamp); |
299 |
> |
ssvec[0] = 2.*sqfact*(ix+ssa[0]) - 1.; |
300 |
> |
ssvec[1] = zipsgn*sqfact*ssa[1]; |
301 |
> |
ssvec[2] = 1. - ssvec[0]*ssvec[0] |
302 |
> |
- ssvec[1]*ssvec[1]; |
303 |
> |
if (ssvec[2] < .0) { |
304 |
> |
ssvec[1] = 0; |
305 |
> |
ssvec[2] = 1. - ssvec[0]*ssvec[0]; |
306 |
> |
} |
307 |
> |
ssvec[2] = input_orient * sqrt(ssvec[2]); |
308 |
> |
SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, |
309 |
> |
(oy+ssa[3])*sqfact); |
310 |
|
ssvec[5] = output_orient * |
311 |
|
sqrt(1. - ssvec[3]*ssvec[3] - |
312 |
|
ssvec[4]*ssvec[4]); |
313 |
|
if (assignD) { |
314 |
< |
varset("Dx", '=', -iovec[3]); |
315 |
< |
varset("Dy", '=', -iovec[4]); |
316 |
< |
varset("Dz", '=', -iovec[5]); |
314 |
> |
varset("Dx", '=', -ssvec[3]); |
315 |
> |
varset("Dy", '=', -ssvec[4]); |
316 |
> |
varset("Dz", '=', -ssvec[5]); |
317 |
|
++eclock; |
318 |
|
} |
319 |
|
sum += funvalue(funame, 6, ssvec); |
320 |
|
} |
321 |
< |
bsdf = sum/nssamp; |
321 |
> |
bsdf = sum / (double)nssamp; |
322 |
|
} |
323 |
|
} |
324 |
|
if (pctcull >= 0) |
325 |
< |
fwrite(&bsdf, sizeof(bsdf), 1, ofp); |
325 |
> |
putbinary(&bsdf, sizeof(bsdf), 1, ofp); |
326 |
|
else |
327 |
< |
printf("\t%.3e\n", bsdf); |
328 |
< |
last_bsdf = bsdf; |
327 |
> |
fprintf(ofp, "\t%.3e\n", bsdf); |
328 |
> |
|
329 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
330 |
> |
if (pctcull >= 0) { |
331 |
> |
putbinary(&uv[0], sizeof(*uv), 1, uvfp[0]); |
332 |
> |
putbinary(&uv[1], sizeof(*uv), 1, uvfp[1]); |
333 |
> |
} else { |
334 |
> |
fprintf(uvfp[0], "\t%.3e\n", uv[0]); |
335 |
> |
fprintf(uvfp[1], "\t%.3e\n", uv[1]); |
336 |
> |
} |
337 |
> |
} |
338 |
> |
if (val_last != NULL) |
339 |
> |
val_last[oy] = bsdf; |
340 |
|
} |
341 |
|
} |
342 |
|
if (rbf != NULL) |
343 |
|
free(rbf); |
344 |
+ |
prog_show((ix+1.)*(2.*sqfact)); |
345 |
|
} |
346 |
+ |
prog_done(); |
347 |
+ |
if (val_last != NULL) { |
348 |
+ |
free(val_last); |
349 |
+ |
if (val_next != NULL) free(val_next); |
350 |
+ |
if (sdv_next != NULL) free(sdv_next); |
351 |
+ |
} |
352 |
|
if (pctcull >= 0) { /* finish output */ |
353 |
|
if (pclose(ofp)) { |
354 |
< |
fprintf(stderr, "%s: error running '%s'\n", |
355 |
< |
progname, cmd); |
354 |
> |
fprintf(stderr, "%s: error running rttree_reduce on Y\n", |
355 |
> |
progname); |
356 |
|
exit(1); |
357 |
|
} |
358 |
+ |
if (rbf_colorimetry == RBCtristimulus && |
359 |
+ |
(pclose(uvfp[0]) || pclose(uvfp[1]))) { |
360 |
+ |
fprintf(stderr, "%s: error running rttree_reduce on uv\n", |
361 |
+ |
progname); |
362 |
+ |
exit(1); |
363 |
+ |
} |
364 |
|
} else { |
365 |
|
for (ix = sqres*sqres*sqres/2; ix--; ) |
366 |
< |
fputs("\t0\n", stdout); |
367 |
< |
fputs("}\n", stdout); |
366 |
> |
fputs("\t0\n", ofp); |
367 |
> |
fputs("}\n", ofp); |
368 |
> |
if (fclose(ofp)) { |
369 |
> |
fprintf(stderr, "%s: error writing Y file\n", |
370 |
> |
progname); |
371 |
> |
exit(1); |
372 |
> |
} |
373 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
374 |
> |
for (ix = sqres*sqres*sqres/2; ix--; ) { |
375 |
> |
fputs("\t0\n", uvfp[0]); |
376 |
> |
fputs("\t0\n", uvfp[1]); |
377 |
> |
} |
378 |
> |
fputs("}\n", uvfp[0]); |
379 |
> |
fputs("}\n", uvfp[1]); |
380 |
> |
if (fclose(uvfp[0]) || fclose(uvfp[1])) { |
381 |
> |
fprintf(stderr, "%s: error writing uv file(s)\n", |
382 |
> |
progname); |
383 |
> |
exit(1); |
384 |
> |
} |
385 |
> |
} |
386 |
|
} |
218 |
– |
data_epilogue(); |
387 |
|
} |
388 |
|
|
389 |
|
/* Interpolate and output anisotropic BSDF data */ |
391 |
|
eval_anisotropic(char *funame) |
392 |
|
{ |
393 |
|
const int sqres = 1<<samp_order; |
394 |
< |
FILE *ofp = NULL; |
394 |
> |
const double sqfact = 1./(double)sqres; |
395 |
> |
float *val_last = NULL; |
396 |
> |
float *val_next = NULL; |
397 |
> |
SDValue *sdv_next = NULL; |
398 |
> |
FILE *ofp, *uvfp[2]; |
399 |
|
int assignD = 0; |
400 |
|
char cmd[128]; |
401 |
|
int ix, iy, ox, oy; |
402 |
|
double iovec[6]; |
403 |
< |
float bsdf; |
403 |
> |
float bsdf, uv[2]; |
404 |
|
|
233 |
– |
data_prologue(); /* begin output */ |
405 |
|
if (pctcull >= 0) { |
406 |
< |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d", |
407 |
< |
(input_orient>0 ^ output_orient>0) ? "" : " -a", |
408 |
< |
pctcull, samp_order); |
409 |
< |
fflush(stdout); |
406 |
> |
const char *avgopt = (input_orient>0 ^ output_orient>0) |
407 |
> |
? "" : recip; |
408 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d > %s", |
409 |
> |
avgopt, pctcull, samp_order, |
410 |
> |
create_component_file(0)); |
411 |
|
ofp = popen(cmd, "w"); |
412 |
|
if (ofp == NULL) { |
413 |
|
fprintf(stderr, "%s: cannot create pipe to rttree_reduce\n", |
418 |
|
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
419 |
|
flockfile(ofp); |
420 |
|
#endif |
421 |
< |
} else |
422 |
< |
fputs("{\n", stdout); |
423 |
< |
/* need to assign Dx, Dy, Dz? */ |
424 |
< |
if (funame != NULL) |
421 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
422 |
> |
double uvcull = 100. - (100.-pctcull)*.25; |
423 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d > %s", |
424 |
> |
avgopt, uvcull, samp_order, |
425 |
> |
create_component_file(1)); |
426 |
> |
uvfp[0] = popen(cmd, "w"); |
427 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d > %s", |
428 |
> |
avgopt, uvcull, samp_order, |
429 |
> |
create_component_file(2)); |
430 |
> |
uvfp[1] = popen(cmd, "w"); |
431 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
432 |
> |
fprintf(stderr, "%s: cannot open pipes to uv output\n", |
433 |
> |
progname); |
434 |
> |
exit(1); |
435 |
> |
} |
436 |
> |
SET_FILE_BINARY(uvfp[0]); SET_FILE_BINARY(uvfp[1]); |
437 |
> |
#ifdef getc_unlocked |
438 |
> |
flockfile(uvfp[0]); flockfile(uvfp[1]); |
439 |
> |
#endif |
440 |
> |
} |
441 |
> |
} else { |
442 |
> |
ofp = fopen(create_component_file(0), "w"); |
443 |
> |
if (ofp == NULL) { |
444 |
> |
fprintf(stderr, "%s: cannot create Y output file\n", |
445 |
> |
progname); |
446 |
> |
exit(1); |
447 |
> |
} |
448 |
> |
fputs("{\n", ofp); |
449 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
450 |
> |
uvfp[0] = fopen(create_component_file(1), "w"); |
451 |
> |
uvfp[1] = fopen(create_component_file(2), "w"); |
452 |
> |
if ((uvfp[0] == NULL) | (uvfp[1] == NULL)) { |
453 |
> |
fprintf(stderr, "%s: cannot create uv output file(s)\n", |
454 |
> |
progname); |
455 |
> |
exit(1); |
456 |
> |
} |
457 |
> |
fputs("{\n", uvfp[0]); |
458 |
> |
fputs("{\n", uvfp[1]); |
459 |
> |
} |
460 |
> |
} |
461 |
> |
if (funame != NULL) /* need to assign Dx, Dy, Dz? */ |
462 |
|
assignD = (fundefined(funame) < 6); |
463 |
+ |
val_last = (float *)calloc(sqres, sizeof(float)); |
464 |
+ |
if (funame == NULL) |
465 |
+ |
sdv_next = (SDValue *)malloc(sizeof(SDValue)*sqres); |
466 |
+ |
else |
467 |
+ |
val_next = (float *)malloc(sizeof(float)*sqres); |
468 |
|
/* run through directions */ |
469 |
|
for (ix = 0; ix < sqres; ix++) |
470 |
|
for (iy = 0; iy < sqres; iy++) { |
471 |
|
RBFNODE *rbf = NULL; /* Klems reversal */ |
472 |
< |
SDsquare2disk(iovec, 1.-(ix+.5)/sqres, 1.-(iy+.5)/sqres); |
472 |
> |
SDsquare2disk(iovec, 1.-(ix+.5)*sqfact, 1.-(iy+.5)*sqfact); |
473 |
|
iovec[2] = input_orient * |
474 |
|
sqrt(1. - iovec[0]*iovec[0] - iovec[1]*iovec[1]); |
475 |
|
if (funame == NULL) |
476 |
|
rbf = advect_rbf(iovec, lobe_lim); |
477 |
+ |
/* presample first row */ |
478 |
+ |
for (oy = 0; oy < sqres; oy++) { |
479 |
+ |
SDsquare2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); |
480 |
+ |
iovec[5] = output_orient * |
481 |
+ |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
482 |
+ |
if (funame == NULL) { |
483 |
+ |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
484 |
+ |
} else { |
485 |
+ |
if (assignD) { |
486 |
+ |
varset("Dx", '=', -iovec[3]); |
487 |
+ |
varset("Dy", '=', -iovec[4]); |
488 |
+ |
varset("Dz", '=', -iovec[5]); |
489 |
+ |
++eclock; |
490 |
+ |
} |
491 |
+ |
val_next[oy] = funvalue(funame, 6, iovec); |
492 |
+ |
} |
493 |
+ |
} |
494 |
|
for (ox = 0; ox < sqres; ox++) { |
495 |
< |
float last_bsdf = -1; |
495 |
> |
/* |
496 |
> |
* Super-sample when we detect a difference from before |
497 |
> |
* or after in this row, above or below. |
498 |
> |
*/ |
499 |
|
for (oy = 0; oy < sqres; oy++) { |
500 |
< |
SDsquare2disk(iovec+3, (ox+.5)/sqres, (oy+.5)/sqres); |
501 |
< |
iovec[5] = output_orient * |
500 |
> |
if (ox < sqres-1) { /* keeping one row ahead... */ |
501 |
> |
SDsquare2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); |
502 |
> |
iovec[5] = output_orient * |
503 |
|
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
504 |
< |
if (funame == NULL) |
505 |
< |
bsdf = eval_rbfrep(rbf, iovec+3) * |
506 |
< |
output_orient/iovec[5]; |
507 |
< |
else { |
508 |
< |
double ssa[4], ssvec[6], sum; |
509 |
< |
int ssi; |
510 |
< |
if (assignD) { |
511 |
< |
varset("Dx", '=', -iovec[3]); |
512 |
< |
varset("Dy", '=', -iovec[4]); |
513 |
< |
varset("Dz", '=', -iovec[5]); |
514 |
< |
++eclock; |
504 |
> |
} |
505 |
> |
if (funame == NULL) { |
506 |
> |
SDValue sdv = sdv_next[oy]; |
507 |
> |
bsdf = sdv.cieY; |
508 |
> |
if (ox < sqres-1) |
509 |
> |
eval_rbfcol(&sdv_next[oy], rbf, iovec+3); |
510 |
> |
if (abs_diff(bsdf, sdv_next[oy].cieY) > ssamp_thresh || |
511 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
512 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
513 |
> |
(oy < sqres-1 && |
514 |
> |
abs_diff(bsdf, sdv_next[oy+1].cieY) > ssamp_thresh)) { |
515 |
> |
int ssi; |
516 |
> |
double ssa[2], sum = 0, usum = 0, vsum = 0; |
517 |
> |
/* super-sample voxel */ |
518 |
> |
for (ssi = nssamp; ssi--; ) { |
519 |
> |
SDmultiSamp(ssa, 2, (ssi+frandom()) / |
520 |
> |
(double)nssamp); |
521 |
> |
SDsquare2disk(iovec+3, (ox+ssa[0])*sqfact, |
522 |
> |
(oy+ssa[1])*sqfact); |
523 |
> |
iovec[5] = output_orient * |
524 |
> |
sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); |
525 |
> |
eval_rbfcol(&sdv, rbf, iovec+3); |
526 |
> |
sum += sdv.cieY; |
527 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
528 |
> |
sdv.cieY /= |
529 |
> |
-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.; |
530 |
> |
usum += 4.*sdv.spec.cx * sdv.cieY; |
531 |
> |
vsum += 9.*sdv.spec.cy * sdv.cieY; |
532 |
> |
} |
533 |
> |
} |
534 |
> |
bsdf = sum / (double)nssamp; |
535 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
536 |
> |
uv[0] = usum / (sum+FTINY); |
537 |
> |
uv[1] = vsum / (sum+FTINY); |
538 |
> |
} |
539 |
> |
} else |
540 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
541 |
> |
uv[0] = uv[1] = 1. / |
542 |
> |
(-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.); |
543 |
> |
uv[0] *= 4.*sdv.spec.cx; |
544 |
> |
uv[1] *= 9.*sdv.spec.cy; |
545 |
|
} |
546 |
< |
bsdf = funvalue(funame, 6, iovec); |
547 |
< |
if (abs_diff(bsdf, last_bsdf) > ssamp_thresh) { |
548 |
< |
sum = 0; /* super-sample voxel */ |
546 |
> |
} else { |
547 |
> |
bsdf = val_next[oy]; |
548 |
> |
if (ox < sqres-1) { |
549 |
> |
if (assignD) { |
550 |
> |
varset("Dx", '=', -iovec[3]); |
551 |
> |
varset("Dy", '=', -iovec[4]); |
552 |
> |
varset("Dz", '=', -iovec[5]); |
553 |
> |
++eclock; |
554 |
> |
} |
555 |
> |
val_next[oy] = funvalue(funame, 6, iovec); |
556 |
> |
} |
557 |
> |
if (abs_diff(bsdf, val_next[oy]) > ssamp_thresh || |
558 |
> |
(ox && abs_diff(bsdf, val_last[oy]) > ssamp_thresh) || |
559 |
> |
(oy && abs_diff(bsdf, val_last[oy-1]) > ssamp_thresh) || |
560 |
> |
(oy < sqres-1 && |
561 |
> |
abs_diff(bsdf, val_next[oy+1]) > ssamp_thresh)) { |
562 |
> |
int ssi; |
563 |
> |
double ssa[4], ssvec[6], sum = 0; |
564 |
> |
/* super-sample voxel */ |
565 |
|
for (ssi = nssamp; ssi--; ) { |
566 |
< |
SDmultiSamp(ssa, 4, (ssi+frandom())/nssamp); |
567 |
< |
SDsquare2disk(ssvec, 1.-(ix+ssa[0])/sqres, |
568 |
< |
1.-(iy+ssa[1])/sqres); |
569 |
< |
ssvec[2] = output_orient * |
566 |
> |
SDmultiSamp(ssa, 4, (ssi+frandom()) / |
567 |
> |
(double)nssamp); |
568 |
> |
SDsquare2disk(ssvec, 1.-(ix+ssa[0])*sqfact, |
569 |
> |
1.-(iy+ssa[1])*sqfact); |
570 |
> |
ssvec[2] = input_orient * |
571 |
|
sqrt(1. - ssvec[0]*ssvec[0] - |
572 |
|
ssvec[1]*ssvec[1]); |
573 |
< |
SDsquare2disk(ssvec+3, (ox+ssa[2])/sqres, |
574 |
< |
(oy+ssa[3])/sqres); |
573 |
> |
SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, |
574 |
> |
(oy+ssa[3])*sqfact); |
575 |
|
ssvec[5] = output_orient * |
576 |
|
sqrt(1. - ssvec[3]*ssvec[3] - |
577 |
|
ssvec[4]*ssvec[4]); |
578 |
|
if (assignD) { |
579 |
< |
varset("Dx", '=', -iovec[3]); |
580 |
< |
varset("Dy", '=', -iovec[4]); |
581 |
< |
varset("Dz", '=', -iovec[5]); |
579 |
> |
varset("Dx", '=', -ssvec[3]); |
580 |
> |
varset("Dy", '=', -ssvec[4]); |
581 |
> |
varset("Dz", '=', -ssvec[5]); |
582 |
|
++eclock; |
583 |
|
} |
584 |
|
sum += funvalue(funame, 6, ssvec); |
585 |
|
} |
586 |
< |
bsdf = sum/nssamp; |
586 |
> |
bsdf = sum / (double)nssamp; |
587 |
|
} |
588 |
|
} |
589 |
|
if (pctcull >= 0) |
590 |
< |
fwrite(&bsdf, sizeof(bsdf), 1, ofp); |
590 |
> |
putbinary(&bsdf, sizeof(bsdf), 1, ofp); |
591 |
|
else |
592 |
< |
printf("\t%.3e\n", bsdf); |
593 |
< |
last_bsdf = bsdf; |
592 |
> |
fprintf(ofp, "\t%.3e\n", bsdf); |
593 |
> |
|
594 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
595 |
> |
if (pctcull >= 0) { |
596 |
> |
putbinary(&uv[0], sizeof(*uv), 1, uvfp[0]); |
597 |
> |
putbinary(&uv[1], sizeof(*uv), 1, uvfp[1]); |
598 |
> |
} else { |
599 |
> |
fprintf(uvfp[0], "\t%.3e\n", uv[0]); |
600 |
> |
fprintf(uvfp[1], "\t%.3e\n", uv[1]); |
601 |
> |
} |
602 |
> |
} |
603 |
> |
if (val_last != NULL) |
604 |
> |
val_last[oy] = bsdf; |
605 |
|
} |
606 |
|
} |
607 |
|
if (rbf != NULL) |
608 |
|
free(rbf); |
609 |
+ |
prog_show((ix*sqres+iy+1.)/(sqres*sqres)); |
610 |
|
} |
611 |
+ |
prog_done(); |
612 |
+ |
if (val_last != NULL) { |
613 |
+ |
free(val_last); |
614 |
+ |
if (val_next != NULL) free(val_next); |
615 |
+ |
if (sdv_next != NULL) free(sdv_next); |
616 |
+ |
} |
617 |
|
if (pctcull >= 0) { /* finish output */ |
618 |
|
if (pclose(ofp)) { |
619 |
< |
fprintf(stderr, "%s: error running '%s'\n", |
620 |
< |
progname, cmd); |
619 |
> |
fprintf(stderr, "%s: error running rttree_reduce on Y\n", |
620 |
> |
progname); |
621 |
|
exit(1); |
622 |
|
} |
623 |
< |
} else |
624 |
< |
fputs("}\n", stdout); |
625 |
< |
data_epilogue(); |
623 |
> |
if (rbf_colorimetry == RBCtristimulus && |
624 |
> |
(pclose(uvfp[0]) || pclose(uvfp[1]))) { |
625 |
> |
fprintf(stderr, "%s: error running rttree_reduce on uv\n", |
626 |
> |
progname); |
627 |
> |
exit(1); |
628 |
> |
} |
629 |
> |
} else { |
630 |
> |
fputs("}\n", ofp); |
631 |
> |
if (fclose(ofp)) { |
632 |
> |
fprintf(stderr, "%s: error writing Y file\n", |
633 |
> |
progname); |
634 |
> |
exit(1); |
635 |
> |
} |
636 |
> |
if (rbf_colorimetry == RBCtristimulus) { |
637 |
> |
fputs("}\n", uvfp[0]); |
638 |
> |
fputs("}\n", uvfp[1]); |
639 |
> |
if (fclose(uvfp[0]) || fclose(uvfp[1])) { |
640 |
> |
fprintf(stderr, "%s: error writing uv file(s)\n", |
641 |
> |
progname); |
642 |
> |
exit(1); |
643 |
> |
} |
644 |
> |
} |
645 |
> |
} |
646 |
|
} |
647 |
|
|
648 |
+ |
#if defined(_WIN32) || defined(_WIN64) |
649 |
+ |
/* Execute wrapBSDF command (may never return) */ |
650 |
+ |
static int |
651 |
+ |
wrap_up(void) |
652 |
+ |
{ |
653 |
+ |
char cmd[8192]; |
654 |
+ |
|
655 |
+ |
if (bsdf_manuf[0]) { |
656 |
+ |
add_wbsdf("-f", 1); |
657 |
+ |
strcpy(cmd, "m="); |
658 |
+ |
strcpy(cmd+2, bsdf_manuf); |
659 |
+ |
add_wbsdf(cmd, 0); |
660 |
+ |
} |
661 |
+ |
if (bsdf_name[0]) { |
662 |
+ |
add_wbsdf("-f", 1); |
663 |
+ |
strcpy(cmd, "n="); |
664 |
+ |
strcpy(cmd+2, bsdf_name); |
665 |
+ |
add_wbsdf(cmd, 0); |
666 |
+ |
} |
667 |
+ |
if (!convert_commandline(cmd, sizeof(cmd), wrapBSDF)) { |
668 |
+ |
fputs(progname, stderr); |
669 |
+ |
fputs(": command line too long in wrap_up()\n", stderr); |
670 |
+ |
return(1); |
671 |
+ |
} |
672 |
+ |
return(system(cmd)); |
673 |
+ |
} |
674 |
+ |
#else |
675 |
+ |
/* Execute wrapBSDF command (may never return) */ |
676 |
+ |
static int |
677 |
+ |
wrap_up(void) |
678 |
+ |
{ |
679 |
+ |
char buf[256]; |
680 |
+ |
char *compath = getpath((char *)wrapBSDF[0], getenv("PATH"), X_OK); |
681 |
+ |
|
682 |
+ |
if (compath == NULL) { |
683 |
+ |
fprintf(stderr, "%s: cannot locate %s\n", progname, wrapBSDF[0]); |
684 |
+ |
return(1); |
685 |
+ |
} |
686 |
+ |
if (bsdf_manuf[0]) { |
687 |
+ |
add_wbsdf("-f", 1); |
688 |
+ |
strcpy(buf, "m="); |
689 |
+ |
strcpy(buf+2, bsdf_manuf); |
690 |
+ |
add_wbsdf(buf, 0); |
691 |
+ |
} |
692 |
+ |
if (bsdf_name[0]) { |
693 |
+ |
add_wbsdf("-f", 1); |
694 |
+ |
strcpy(buf, "n="); |
695 |
+ |
strcpy(buf+2, bsdf_name); |
696 |
+ |
add_wbsdf(buf, 0); |
697 |
+ |
} |
698 |
+ |
execv(compath, wrapBSDF); /* successful call never returns */ |
699 |
+ |
perror(compath); |
700 |
+ |
return(1); |
701 |
+ |
} |
702 |
+ |
#endif |
703 |
+ |
|
704 |
|
/* Read in BSDF and interpolate as tensor tree representation */ |
705 |
|
int |
706 |
|
main(int argc, char *argv[]) |
707 |
|
{ |
708 |
+ |
static char tfmt[2][4] = {"t4", "t3"}; |
709 |
|
int dofwd = 0, dobwd = 1; |
710 |
+ |
char buf[2048]; |
711 |
|
int i, na; |
712 |
|
|
713 |
|
progname = argv[0]; |
715 |
|
esupport &= ~(E_INCHAN|E_OUTCHAN); |
716 |
|
scompile("PI:3.14159265358979323846", NULL, 0); |
717 |
|
biggerlib(); |
718 |
< |
for (i = 1; i < argc-1 && (argv[i][0] == '-') | (argv[i][0] == '+'); i++) |
718 |
> |
for (i = 1; i < argc && (argv[i][0] == '-') | (argv[i][0] == '+'); i++) |
719 |
|
switch (argv[i][1]) { /* get options */ |
720 |
|
case 'e': |
721 |
|
scompile(argv[++i], NULL, 0); |
722 |
+ |
if (single_plane_incident < 0) |
723 |
+ |
single_plane_incident = 0; |
724 |
|
break; |
725 |
|
case 'f': |
726 |
< |
if (!argv[i][2]) |
727 |
< |
fcompile(argv[++i]); |
728 |
< |
else |
726 |
> |
if (!argv[i][2]) { |
727 |
> |
if (strchr(argv[++i], '=') != NULL) { |
728 |
> |
add_wbsdf("-f", 1); |
729 |
> |
add_wbsdf(argv[i], 1); |
730 |
> |
} else { |
731 |
> |
char *fpath = getpath(argv[i], |
732 |
> |
getrlibpath(), 0); |
733 |
> |
if (fpath == NULL) { |
734 |
> |
fprintf(stderr, |
735 |
> |
"%s: cannot find file '%s'\n", |
736 |
> |
argv[0], argv[i]); |
737 |
> |
return(1); |
738 |
> |
} |
739 |
> |
fcompile(fpath); |
740 |
> |
if (single_plane_incident < 0) |
741 |
> |
single_plane_incident = 0; |
742 |
> |
} |
743 |
> |
} else |
744 |
|
dofwd = (argv[i][0] == '+'); |
745 |
|
break; |
746 |
+ |
case 'a': |
747 |
+ |
recip = (argv[i][0] == '+') ? " -a" : ""; |
748 |
+ |
break; |
749 |
|
case 'b': |
750 |
|
dobwd = (argv[i][0] == '+'); |
751 |
|
break; |
752 |
+ |
case 'n': |
753 |
+ |
nssamp = atoi(argv[++i]); |
754 |
+ |
if (nssamp <= 0) |
755 |
+ |
goto userr; |
756 |
+ |
break; |
757 |
+ |
case 's': |
758 |
+ |
ssamp_thresh = atof(argv[++i]); |
759 |
+ |
if (ssamp_thresh <= FTINY) |
760 |
+ |
goto userr; |
761 |
+ |
break; |
762 |
|
case 't': |
763 |
|
switch (argv[i][2]) { |
764 |
|
case '3': |
780 |
|
case 'l': |
781 |
|
lobe_lim = atoi(argv[++i]); |
782 |
|
break; |
783 |
+ |
case 'p': |
784 |
+ |
do_prog = atoi(argv[i]+2); |
785 |
+ |
break; |
786 |
+ |
case 'W': |
787 |
+ |
add_wbsdf(argv[i], 1); |
788 |
+ |
break; |
789 |
+ |
case 'u': |
790 |
+ |
case 'C': |
791 |
+ |
add_wbsdf(argv[i], 1); |
792 |
+ |
add_wbsdf(argv[++i], 1); |
793 |
+ |
break; |
794 |
|
default: |
795 |
|
goto userr; |
796 |
|
} |
797 |
+ |
strcpy(buf, "File produced by: "); |
798 |
+ |
if (convert_commandline(buf+18, sizeof(buf)-18, argv) != NULL) { |
799 |
+ |
add_wbsdf("-C", 1); add_wbsdf(buf, 0); |
800 |
+ |
} |
801 |
|
if (single_plane_incident >= 0) { /* function-based BSDF? */ |
802 |
|
void (*evf)(char *s) = single_plane_incident ? |
803 |
< |
&eval_isotropic : &eval_anisotropic; |
803 |
> |
eval_isotropic : eval_anisotropic; |
804 |
|
if (i != argc-1 || fundefined(argv[i]) < 3) { |
805 |
|
fprintf(stderr, |
806 |
|
"%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", |
809 |
|
goto userr; |
810 |
|
} |
811 |
|
++eclock; |
812 |
< |
xml_prologue(argc, argv); /* start XML output */ |
812 |
> |
add_wbsdf("-a", 1); |
813 |
> |
add_wbsdf(tfmt[single_plane_incident], 1); |
814 |
|
if (dofwd) { |
815 |
|
input_orient = -1; |
816 |
|
output_orient = -1; |
817 |
< |
(*evf)(argv[i]); /* outside reflectance */ |
817 |
> |
prog_start("Evaluating outside reflectance"); |
818 |
> |
(*evf)(argv[i]); |
819 |
|
output_orient = 1; |
820 |
< |
(*evf)(argv[i]); /* outside -> inside */ |
820 |
> |
prog_start("Evaluating outside->inside transmission"); |
821 |
> |
(*evf)(argv[i]); |
822 |
|
} |
823 |
|
if (dobwd) { |
824 |
|
input_orient = 1; |
825 |
|
output_orient = 1; |
826 |
< |
(*evf)(argv[i]); /* inside reflectance */ |
826 |
> |
prog_start("Evaluating inside reflectance"); |
827 |
> |
(*evf)(argv[i]); |
828 |
|
output_orient = -1; |
829 |
< |
(*evf)(argv[i]); /* inside -> outside */ |
829 |
> |
prog_start("Evaluating inside->outside transmission"); |
830 |
> |
(*evf)(argv[i]); |
831 |
|
} |
832 |
< |
xml_epilogue(); /* finish XML output & exit */ |
405 |
< |
return(0); |
832 |
> |
return(wrap_up()); |
833 |
|
} |
834 |
|
if (i < argc) { /* open input files if given */ |
835 |
|
int nbsdf = 0; |
836 |
|
for ( ; i < argc; i++) { /* interpolate each component */ |
837 |
+ |
char pbuf[256]; |
838 |
|
FILE *fpin = fopen(argv[i], "rb"); |
839 |
|
if (fpin == NULL) { |
840 |
|
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
844 |
|
if (!load_bsdf_rep(fpin)) |
845 |
|
return(1); |
846 |
|
fclose(fpin); |
847 |
< |
if (!nbsdf++) /* start XML on first dist. */ |
848 |
< |
xml_prologue(argc, argv); |
847 |
> |
sprintf(pbuf, "Interpolating component '%s'", argv[i]); |
848 |
> |
prog_start(pbuf); |
849 |
> |
if (!nbsdf++) { |
850 |
> |
add_wbsdf("-a", 1); |
851 |
> |
add_wbsdf(tfmt[single_plane_incident], 1); |
852 |
> |
} |
853 |
|
if (single_plane_incident) |
854 |
|
eval_isotropic(NULL); |
855 |
|
else |
856 |
|
eval_anisotropic(NULL); |
857 |
|
} |
858 |
< |
xml_epilogue(); /* finish XML output & exit */ |
427 |
< |
return(0); |
858 |
> |
return(wrap_up()); |
859 |
|
} |
860 |
|
SET_FILE_BINARY(stdin); /* load from stdin */ |
861 |
|
if (!load_bsdf_rep(stdin)) |
862 |
|
return(1); |
863 |
< |
xml_prologue(argc, argv); /* start XML output */ |
863 |
> |
prog_start("Interpolating from standard input"); |
864 |
> |
add_wbsdf("-a", 1); |
865 |
> |
add_wbsdf(tfmt[single_plane_incident], 1); |
866 |
|
if (single_plane_incident) /* resample dist. */ |
867 |
|
eval_isotropic(NULL); |
868 |
|
else |
869 |
|
eval_anisotropic(NULL); |
870 |
< |
xml_epilogue(); /* finish XML output & exit */ |
871 |
< |
return(0); |
870 |
> |
|
871 |
> |
return(wrap_up()); |
872 |
|
userr: |
873 |
|
fprintf(stderr, |
874 |
< |
"Usage: %s [-g Nlog2][-t pctcull][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", |
874 |
> |
"Usage: %s [{+|-}a][-g Nlog2][-t pctcull][-n nss][-s thresh][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", |
875 |
|
progname); |
876 |
|
fprintf(stderr, |
877 |
< |
" or: %s -t{3|4} [-g Nlog2][-t pctcull][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |
877 |
> |
" or: %s -t{3|4} [{+|-}a][-g Nlog2][-t pctcull][-n nss][-s thresh][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |
878 |
|
progname); |
879 |
|
return(1); |
880 |
|
} |