| 12 |
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#include <stdlib.h> |
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#include <math.h> |
| 14 |
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#include "platform.h" |
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+ |
#include "rtprocess.h" |
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#include "calcomp.h" |
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#include "bsdfrep.h" |
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/* global argv[0] */ |
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const double ssamp_thresh = 0.35; |
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/* number of super-samples */ |
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const int nssamp = 100; |
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/* limit on number of RBF lobes */ |
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static int lobe_lim = 15000; |
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|
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/* Output XML prologue to stdout */ |
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static void |
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puts("<Optical>"); |
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puts("<Layer>"); |
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puts("\t<Material>"); |
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< |
puts("\t\t<Name>Name</Name>"); |
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< |
puts("\t\t<Manufacturer>Manufacturer</Manufacturer>"); |
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> |
printf("\t\t<Name>%s</Name>\n", bsdf_name[0] ? bsdf_name : "Unknown"); |
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> |
printf("\t\t<Manufacturer>%s</Manufacturer>\n", |
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> |
bsdf_manuf[0] ? bsdf_manuf : "Unknown"); |
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puts("\t\t<DeviceType>Other</DeviceType>"); |
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puts("\t</Material>"); |
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puts("\t<DataDefinition>"); |
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{ |
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const int sqres = 1<<samp_order; |
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FILE *ofp = NULL; |
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int assignD = 0; |
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char cmd[128]; |
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int ix, ox, oy; |
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double iovec[6]; |
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|
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data_prologue(); /* begin output */ |
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if (pctcull >= 0) { |
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< |
sprintf(cmd, "rttree_reduce -h -a -ff -r 3 -t %f -g %d", |
| 127 |
> |
sprintf(cmd, "rttree_reduce -a -h -ff -r 3 -t %f -g %d", |
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pctcull, samp_order); |
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fflush(stdout); |
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ofp = popen(cmd, "w"); |
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SET_FILE_BINARY(ofp); |
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} else |
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fputs("{\n", stdout); |
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/* need to assign Dx, Dy, Dz? */ |
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if (funame != NULL) |
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assignD = (fundefined(funame) < 6); |
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/* run through directions */ |
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for (ix = 0; ix < sqres/2; ix++) { |
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RBFNODE *rbf = NULL; |
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iovec[1] = .0; |
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iovec[2] = input_orient * sqrt(1. - iovec[0]*iovec[0]); |
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if (funame == NULL) |
| 149 |
< |
rbf = advect_rbf(iovec); |
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> |
rbf = advect_rbf(iovec, lobe_lim); |
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for (ox = 0; ox < sqres; ox++) { |
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float last_bsdf = -1; |
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for (oy = 0; oy < sqres; oy++) { |
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bsdf = eval_rbfrep(rbf, iovec+3) * |
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output_orient/iovec[5]; |
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else { |
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< |
double ssa[3], ssvec[6]; |
| 160 |
> |
double ssa[3], ssvec[6], sum; |
| 161 |
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int ssi; |
| 162 |
+ |
if (assignD) { |
| 163 |
+ |
varset("Dx", '=', -iovec[3]); |
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+ |
varset("Dy", '=', -iovec[4]); |
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+ |
varset("Dz", '=', -iovec[5]); |
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++eclock; |
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} |
| 168 |
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bsdf = funvalue(funame, 6, iovec); |
| 169 |
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if (abs_diff(bsdf, last_bsdf) > ssamp_thresh) { |
| 170 |
< |
bsdf = 0; /* super-sample voxel */ |
| 170 |
> |
sum = 0; /* super-sample voxel */ |
| 171 |
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for (ssi = nssamp; ssi--; ) { |
| 172 |
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SDmultiSamp(ssa, 3, (ssi+drand48())/nssamp); |
| 173 |
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ssvec[0] = 2.*(ix+ssa[0])/sqres - 1.; |
| 179 |
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ssvec[5] = output_orient * |
| 180 |
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sqrt(1. - ssvec[3]*ssvec[3] - |
| 181 |
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ssvec[4]*ssvec[4]); |
| 182 |
< |
bsdf += funvalue(funame, 6, ssvec); |
| 182 |
> |
if (assignD) { |
| 183 |
> |
varset("Dx", '=', -iovec[3]); |
| 184 |
> |
varset("Dy", '=', -iovec[4]); |
| 185 |
> |
varset("Dz", '=', -iovec[5]); |
| 186 |
> |
++eclock; |
| 187 |
> |
} |
| 188 |
> |
sum += funvalue(funame, 6, ssvec); |
| 189 |
|
} |
| 190 |
< |
bsdf /= (float)nssamp; |
| 190 |
> |
bsdf = sum/nssamp; |
| 191 |
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} |
| 192 |
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} |
| 193 |
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if (pctcull >= 0) |
| 220 |
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{ |
| 221 |
|
const int sqres = 1<<samp_order; |
| 222 |
|
FILE *ofp = NULL; |
| 223 |
+ |
int assignD = 0; |
| 224 |
|
char cmd[128]; |
| 225 |
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int ix, iy, ox, oy; |
| 226 |
|
double iovec[6]; |
| 228 |
|
|
| 229 |
|
data_prologue(); /* begin output */ |
| 230 |
|
if (pctcull >= 0) { |
| 231 |
< |
sprintf(cmd, "rttree_reduce -h -a -ff -r 4 -t %f -g %d", |
| 231 |
> |
sprintf(cmd, "rttree_reduce%s -h -ff -r 4 -t %f -g %d", |
| 232 |
> |
(input_orient>0 ^ output_orient>0) ? "" : " -a", |
| 233 |
|
pctcull, samp_order); |
| 234 |
|
fflush(stdout); |
| 235 |
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ofp = popen(cmd, "w"); |
| 240 |
|
} |
| 241 |
|
} else |
| 242 |
|
fputs("{\n", stdout); |
| 243 |
+ |
/* need to assign Dx, Dy, Dz? */ |
| 244 |
+ |
if (funame != NULL) |
| 245 |
+ |
assignD = (fundefined(funame) < 6); |
| 246 |
|
/* run through directions */ |
| 247 |
|
for (ix = 0; ix < sqres; ix++) |
| 248 |
|
for (iy = 0; iy < sqres; iy++) { |
| 251 |
|
iovec[2] = input_orient * |
| 252 |
|
sqrt(1. - iovec[0]*iovec[0] - iovec[1]*iovec[1]); |
| 253 |
|
if (funame == NULL) |
| 254 |
< |
rbf = advect_rbf(iovec); |
| 254 |
> |
rbf = advect_rbf(iovec, lobe_lim); |
| 255 |
|
for (ox = 0; ox < sqres; ox++) { |
| 256 |
|
float last_bsdf = -1; |
| 257 |
|
for (oy = 0; oy < sqres; oy++) { |
| 262 |
|
bsdf = eval_rbfrep(rbf, iovec+3) * |
| 263 |
|
output_orient/iovec[5]; |
| 264 |
|
else { |
| 265 |
< |
double ssa[4], ssvec[6]; |
| 265 |
> |
double ssa[4], ssvec[6], sum; |
| 266 |
|
int ssi; |
| 267 |
+ |
if (assignD) { |
| 268 |
+ |
varset("Dx", '=', -iovec[3]); |
| 269 |
+ |
varset("Dy", '=', -iovec[4]); |
| 270 |
+ |
varset("Dz", '=', -iovec[5]); |
| 271 |
+ |
++eclock; |
| 272 |
+ |
} |
| 273 |
|
bsdf = funvalue(funame, 6, iovec); |
| 274 |
|
if (abs_diff(bsdf, last_bsdf) > ssamp_thresh) { |
| 275 |
< |
bsdf = 0; /* super-sample voxel */ |
| 275 |
> |
sum = 0; /* super-sample voxel */ |
| 276 |
|
for (ssi = nssamp; ssi--; ) { |
| 277 |
|
SDmultiSamp(ssa, 4, (ssi+drand48())/nssamp); |
| 278 |
|
SDsquare2disk(ssvec, 1.-(ix+ssa[0])/sqres, |
| 285 |
|
ssvec[5] = output_orient * |
| 286 |
|
sqrt(1. - ssvec[3]*ssvec[3] - |
| 287 |
|
ssvec[4]*ssvec[4]); |
| 288 |
< |
bsdf += funvalue(funame, 6, ssvec); |
| 288 |
> |
if (assignD) { |
| 289 |
> |
varset("Dx", '=', -iovec[3]); |
| 290 |
> |
varset("Dy", '=', -iovec[4]); |
| 291 |
> |
varset("Dz", '=', -iovec[5]); |
| 292 |
> |
++eclock; |
| 293 |
> |
} |
| 294 |
> |
sum += funvalue(funame, 6, ssvec); |
| 295 |
|
} |
| 296 |
< |
bsdf /= (float)nssamp; |
| 296 |
> |
bsdf = sum/nssamp; |
| 297 |
|
} |
| 298 |
|
} |
| 299 |
|
if (pctcull >= 0) |
| 361 |
|
case 'g': |
| 362 |
|
samp_order = atoi(argv[++i]); |
| 363 |
|
break; |
| 364 |
+ |
case 'l': |
| 365 |
+ |
lobe_lim = atoi(argv[++i]); |
| 366 |
+ |
break; |
| 367 |
|
default: |
| 368 |
|
goto userr; |
| 369 |
|
} |
| 370 |
|
if (single_plane_incident >= 0) { /* function-based BSDF? */ |
| 371 |
|
void (*evf)(char *s) = single_plane_incident ? |
| 372 |
|
&eval_isotropic : &eval_anisotropic; |
| 373 |
< |
if (i != argc-1 || fundefined(argv[i]) != 6) { |
| 373 |
> |
if (i != argc-1 || fundefined(argv[i]) < 3) { |
| 374 |
|
fprintf(stderr, |
| 375 |
|
"%s: need single function with 6 arguments: bsdf(ix,iy,iz,ox,oy,oz)\n", |
| 376 |
|
progname); |
| 377 |
+ |
fprintf(stderr, "\tor 3 arguments using Dx,Dy,Dz: bsdf(ix,iy,iz)\n", |
| 378 |
+ |
progname); |
| 379 |
|
goto userr; |
| 380 |
|
} |
| 381 |
+ |
++eclock; |
| 382 |
|
xml_prologue(argc, argv); /* start XML output */ |
| 383 |
|
if (dofwd) { |
| 384 |
|
input_orient = -1; |
| 431 |
|
return(0); |
| 432 |
|
userr: |
| 433 |
|
fprintf(stderr, |
| 434 |
< |
"Usage: %s [-g Nlog2][-t pctcull] [bsdf.sir ..] > bsdf.xml\n", |
| 434 |
> |
"Usage: %s [-g Nlog2][-t pctcull][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", |
| 435 |
|
progname); |
| 436 |
|
fprintf(stderr, |
| 437 |
|
" or: %s -t{3|4} [-g Nlog2][-t pctcull][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |