| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: mkpmap.c,v 2.9 2018/03/20 19:55:33 rschregle Exp $"; |
| 3 |
#endif |
| 4 |
|
| 5 |
|
| 6 |
/* |
| 7 |
====================================================================== |
| 8 |
Photon map generator |
| 9 |
|
| 10 |
Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
| 11 |
(c) Fraunhofer Institute for Solar Energy Systems, |
| 12 |
supported by the German Research Foundation (DFG) |
| 13 |
under the FARESYS project. |
| 14 |
(c) Lucerne University of Applied Sciences and Arts, |
| 15 |
supported by the Swiss National Science Foundation (SNSF #147053). |
| 16 |
(c) Tokyo University of Science, |
| 17 |
supported by the JSPS KAKENHI Grant Number JP19KK0115. |
| 18 |
====================================================================== |
| 19 |
|
| 20 |
$Id: mkpmap.c,v 2.9 2018/03/20 19:55:33 rschregle Exp $ |
| 21 |
*/ |
| 22 |
|
| 23 |
|
| 24 |
#include "pmap.h" |
| 25 |
#include "pmapmat.h" |
| 26 |
#include "pmapsrc.h" |
| 27 |
#include "pmapcontrib.h" |
| 28 |
#include "pmaprand.h" |
| 29 |
#include "paths.h" |
| 30 |
#include "ambient.h" |
| 31 |
#include "resolu.h" |
| 32 |
#include "source.h" |
| 33 |
#include <string.h> |
| 34 |
#include <sys/stat.h> |
| 35 |
|
| 36 |
|
| 37 |
/* Enable options for Ze Ekspertz only! */ |
| 38 |
#define PMAP_EKSPERTZ |
| 39 |
|
| 40 |
|
| 41 |
extern char VersionID []; |
| 42 |
|
| 43 |
|
| 44 |
char* progname; /* argv[0] */ |
| 45 |
int dimlist [MAXDIM]; /* sampling dimensions */ |
| 46 |
int ndims = 0; /* number of sampling dimenshunns */ |
| 47 |
char* octname = NULL; /* octree name */ |
| 48 |
CUBE thescene; /* scene top-level octree */ |
| 49 |
OBJECT nsceneobjs; /* number of objects in scene */ |
| 50 |
double srcsizerat = 0.01; /* source partition size ratio */ |
| 51 |
int backvis = 1; /* back face visibility */ |
| 52 |
int clobber = 0; /* overwrite output */ |
| 53 |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
| 54 |
COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
| 55 |
double seccg = 0; /* global scattering eccentricity */ |
| 56 |
char *amblist [AMBLLEN + 1]; /* ambient include/exclude list */ |
| 57 |
int ambincl = -1; /* include == 1, exclude == 0 */ |
| 58 |
char *diagFile = NULL; /* diagnostics output file */ |
| 59 |
int rand_samp = 1; /* uncorrelated random sampling */ |
| 60 |
unsigned nproc = 1; /* number of parallel processes */ |
| 61 |
#ifdef EVALDRC_HACK |
| 62 |
char *angsrcfile = NULL; /* angular source file for EvalDRC */ |
| 63 |
#endif |
| 64 |
|
| 65 |
|
| 66 |
/* Dummies for linkage */ |
| 67 |
|
| 68 |
COLOR ambval = BLKCOLOR; |
| 69 |
double shadthresh = .05, ambacc = 0.2, shadcert = .5, minweight = 5e-3, |
| 70 |
ssampdist = 0, dstrsrc = 0.0, specthresh = 0.15, specjitter = 1.0, |
| 71 |
avgrefl = 0.5; |
| 72 |
int ambvwt = 0, ambssamp = 0, ambres = 32, ambounce = 0, directrelay = 1, |
| 73 |
directvis = 1, samplendx, do_irrad = 0, ambdiv = 128, vspretest = 512, |
| 74 |
maxdepth = 6, contrib = 0; |
| 75 |
char *shm_boundary = NULL, *ambfile = NULL, *RCCONTEXT = NULL; |
| 76 |
void (*trace)() = NULL, (*addobjnotify [])() = {ambnotify, NULL}; |
| 77 |
|
| 78 |
|
| 79 |
void printdefaults() |
| 80 |
/* print default values to stdout */ |
| 81 |
{ |
| 82 |
|
| 83 |
#ifdef EVALDRC_HACK |
| 84 |
/* EvalDRC support */ |
| 85 |
puts("-A\t\t\t\t# angular source file"); |
| 86 |
#endif |
| 87 |
puts("-ae mod\t\t\t\t# exclude modifier"); |
| 88 |
puts("-aE file\t\t\t\t# exclude modifiers from file"); |
| 89 |
puts("-ai mod\t\t\t\t# include modifier"); |
| 90 |
puts("-aI file\t\t\t\t# include modifiers from file"); |
| 91 |
#ifdef PMAP_EKSPERTZ |
| 92 |
puts("-api xmin ymin zmin xmax ymax zmax\t# region of interest"); |
| 93 |
#endif |
| 94 |
puts("-apg file nPhotons\t\t\t# global photon map"); |
| 95 |
puts("-apc file nPhotons\t\t\t# caustic photon map"); |
| 96 |
puts("-apd file nPhotons\t\t\t# direct photon map"); |
| 97 |
puts("-app file nPhotons bwidth\t\t# precomputed global photon map"); |
| 98 |
puts("-apv file nPhotons\t\t\t# volume photon map"); |
| 99 |
puts("-apC file nPhotons\t\t\t# contribution photon map"); |
| 100 |
printf("-apD %f\t\t\t\t# predistribution factor\n", preDistrib); |
| 101 |
printf("-apM %d\t\t\t\t\t# max predistrib passes\n", maxPreDistrib); |
| 102 |
#if 1 |
| 103 |
/* Kept for backwards compat, will be gradually phased out by -ld, -lr */ |
| 104 |
printf("-apm %ld\t\t\t\t# limit photon bounces\n", photonMaxBounce); |
| 105 |
#endif |
| 106 |
puts("-apo+ mod\t\t\t\t# photon port modifier"); |
| 107 |
puts("-apO+ file\t\t\t\t# photon ports from file"); |
| 108 |
printf("-apP %f\t\t\t\t# precomputation factor\n", finalGather); |
| 109 |
printf("-apr %d\t\t\t\t\t# random seed\n", randSeed); |
| 110 |
puts("-aps mod\t\t\t\t# antimatter sensor modifier"); |
| 111 |
puts("-apS file\t\t\t\t# antimatter sensors from file"); |
| 112 |
|
| 113 |
printf(backvis ? "-bv+\t\t\t\t\t# back face visibility on\n" |
| 114 |
: "-bv-\t\t\t\t\t# back face visibility off\n"); |
| 115 |
printf("-dp %.1f\t\t\t\t# PDF samples / sr\n", pdfSamples); |
| 116 |
printf("-ds %f\t\t\t\t# source partition size ratio\n", srcsizerat); |
| 117 |
printf("-e %s\t\t\t\t# diagnostics output file\n", diagFile); |
| 118 |
printf(clobber ? "-fo+\t\t\t\t\t# force overwrite\n" |
| 119 |
: "-fo-\t\t\t\t\t# do not overwrite\n"); |
| 120 |
#ifdef PMAP_EKSPERTZ |
| 121 |
/* (Formerly) NU STUFF for Ze Exspertz! */ |
| 122 |
printf("-ld %.1f\t\t\t\t\t# limit photon distance\n", photonMaxDist); |
| 123 |
printf("-lr %ld\t\t\t\t# limit photon bounces\n", photonMaxBounce); |
| 124 |
#endif |
| 125 |
printf("-ma %.2f %.2f %.2f\t\t\t# scattering albedo\n", |
| 126 |
colval(salbedo,RED), colval(salbedo,GRN), colval(salbedo,BLU)); |
| 127 |
printf("-me %.2e %.2e %.2e\t\t# extinction coefficient\n", |
| 128 |
colval(cextinction,RED), colval(cextinction,GRN), |
| 129 |
colval(cextinction,BLU)); |
| 130 |
printf("-mg %.2f\t\t\t\t# scattering eccentricity\n", seccg); |
| 131 |
#if NIX |
| 132 |
/* Multiprocessing on NIX only; so tuff luck, Windoze Weenies! */ |
| 133 |
printf("-n %d\t\t\t\t\t# number of parallel processes\n", nproc); |
| 134 |
#endif |
| 135 |
printf("-t %-9d\t\t\t\t# time between reports\n", photonRepTime); |
| 136 |
printf(verbose ? "-v+\t\t\t\t\t# verbose console output\n" |
| 137 |
: "-v-\t\t\t\t\t# terse console output\n"); |
| 138 |
} |
| 139 |
|
| 140 |
|
| 141 |
int main (int argc, char* argv []) |
| 142 |
{ |
| 143 |
#define check(ol, al) if ( \ |
| 144 |
argv [i][ol] || badarg(argc - i - 1,argv + i + 1, al) \ |
| 145 |
) goto badopt |
| 146 |
|
| 147 |
/* Evaluate boolean option, setting var accordingly */ |
| 148 |
#define check_bool(olen, var) switch (argv [i][olen]) { \ |
| 149 |
case '\0': \ |
| 150 |
var = !var; break; \ |
| 151 |
case 'y': case 'Y': case 't': case 'T': case '+': case '1': \ |
| 152 |
var = 1; break; \ |
| 153 |
case 'n': case 'N': case 'f': case 'F': case '-': case '0': \ |
| 154 |
var = 0; break; \ |
| 155 |
default: \ |
| 156 |
goto badopt; \ |
| 157 |
} |
| 158 |
|
| 159 |
/* Evaluate trinary option, setting bits v1 and v2 in var accordingly */ |
| 160 |
#define check_tri(olen, v1, v2, var) switch (argv [i][olen]) { \ |
| 161 |
case '\0': case '+': \ |
| 162 |
var = v1; break; \ |
| 163 |
case '-': \ |
| 164 |
var = v2; break;\ |
| 165 |
case '0': \ |
| 166 |
var = v1 | v2; break; \ |
| 167 |
default: \ |
| 168 |
goto badopt; \ |
| 169 |
} |
| 170 |
|
| 171 |
int loadflags = IO_CHECK | IO_SCENE | IO_TREE | IO_BOUNDS, |
| 172 |
rval, i, j, n; |
| 173 |
char **portLp = photonPortList, **sensLp = photonSensorList, |
| 174 |
**amblp = NULL, sbuf [MAXSTR], portFlags [2] = "\0\0"; |
| 175 |
struct stat pmstat; |
| 176 |
|
| 177 |
/* Global program name */ |
| 178 |
progname = fixargv0(argv [0]); |
| 179 |
/* Initialize object types */ |
| 180 |
initotypes(); |
| 181 |
|
| 182 |
/* Parse options */ |
| 183 |
for (i = 1; i < argc; i++) { |
| 184 |
/* Eggs-pand arguments */ |
| 185 |
while ((rval = expandarg(&argc, &argv, i))) |
| 186 |
if (rval < 0) { |
| 187 |
sprintf(errmsg, "cannot eggs-pand '%s'", argv [i]); |
| 188 |
error(SYSTEM, errmsg); |
| 189 |
} |
| 190 |
|
| 191 |
if (argv[i] == NULL) |
| 192 |
break; |
| 193 |
|
| 194 |
if (!strcmp(argv [i], "-version")) { |
| 195 |
puts(VersionID); |
| 196 |
quit(0); |
| 197 |
} |
| 198 |
|
| 199 |
if (!strcmp(argv [i], "-defaults") || !strcmp(argv [i], "-help")) { |
| 200 |
printdefaults(); |
| 201 |
quit(0); |
| 202 |
} |
| 203 |
|
| 204 |
/* Get octree */ |
| 205 |
if (i == argc - 1) { |
| 206 |
octname = argv [i]; |
| 207 |
break; |
| 208 |
} |
| 209 |
|
| 210 |
switch (argv [i][1]) { |
| 211 |
case 'a': /* Ambient */ |
| 212 |
switch (argv [i][2]) { |
| 213 |
case 'i': /* Ambient include */ |
| 214 |
case 'I': |
| 215 |
check(3, "s"); |
| 216 |
if (ambincl != 1) { |
| 217 |
ambincl = 1; |
| 218 |
amblp = amblist; |
| 219 |
} |
| 220 |
if (argv [i][2] == 'I') { |
| 221 |
/* Add modifiers from file */ |
| 222 |
rval = wordfile(amblp, AMBLLEN - (amblp - amblist), |
| 223 |
getpath(argv [++i], |
| 224 |
getrlibpath(), R_OK)); |
| 225 |
if (rval < 0) { |
| 226 |
sprintf(errmsg, |
| 227 |
"cannot open ambient include file \"%s\"", |
| 228 |
argv [i]); |
| 229 |
error(SYSTEM, errmsg); |
| 230 |
} |
| 231 |
amblp += rval; |
| 232 |
} |
| 233 |
else { |
| 234 |
/* Add modifier from next arg */ |
| 235 |
*amblp++ = savqstr(argv [++i]); |
| 236 |
*amblp = NULL; |
| 237 |
} |
| 238 |
break; |
| 239 |
|
| 240 |
case 'e': /* Ambient exclude */ |
| 241 |
case 'E': |
| 242 |
check(3, "s"); |
| 243 |
if (ambincl != 0) { |
| 244 |
ambincl = 0; |
| 245 |
amblp = amblist; |
| 246 |
} |
| 247 |
if (argv [i][2] == 'E') { |
| 248 |
/* Add modifiers from file */ |
| 249 |
rval = wordfile(amblp, AMBLLEN - (amblp - amblist), |
| 250 |
getpath(argv [++i], |
| 251 |
getrlibpath(), R_OK)); |
| 252 |
if (rval < 0) { |
| 253 |
sprintf(errmsg, |
| 254 |
"cannot open ambient exclude file \"%s\"", |
| 255 |
argv [i]); |
| 256 |
error(SYSTEM, errmsg); |
| 257 |
} |
| 258 |
amblp += rval; |
| 259 |
} |
| 260 |
else { |
| 261 |
/* Add modifier from next arg */ |
| 262 |
*amblp++ = savqstr(argv [++i]); |
| 263 |
*amblp = NULL; |
| 264 |
} |
| 265 |
break; |
| 266 |
|
| 267 |
case 'p': /* Pmap-specific */ |
| 268 |
switch (argv [i][3]) { |
| 269 |
case 'g': /* Global photon map */ |
| 270 |
check(4, "ss"); |
| 271 |
globalPmapParams.fileName = argv [++i]; |
| 272 |
globalPmapParams.distribTarget = |
| 273 |
parseMultiplier(argv [++i]); |
| 274 |
if (!globalPmapParams.distribTarget) |
| 275 |
goto badopt; |
| 276 |
globalPmapParams.minGather = |
| 277 |
globalPmapParams.maxGather = 0; |
| 278 |
break; |
| 279 |
|
| 280 |
case 'p': /* Precomputed global photon map */ |
| 281 |
check(4, "ssi"); |
| 282 |
preCompPmapParams.fileName = argv [++i]; |
| 283 |
preCompPmapParams.distribTarget = |
| 284 |
parseMultiplier(argv [++i]); |
| 285 |
if (!preCompPmapParams.distribTarget) |
| 286 |
goto badopt; |
| 287 |
preCompPmapParams.minGather = |
| 288 |
preCompPmapParams.maxGather = atoi(argv [++i]); |
| 289 |
if (!preCompPmapParams.maxGather) |
| 290 |
goto badopt; |
| 291 |
break; |
| 292 |
|
| 293 |
case 'c': /* Caustic photon map */ |
| 294 |
check(4, "ss"); |
| 295 |
causticPmapParams.fileName = argv [++i]; |
| 296 |
causticPmapParams.distribTarget = |
| 297 |
parseMultiplier(argv [++i]); |
| 298 |
if (!causticPmapParams.distribTarget) |
| 299 |
goto badopt; |
| 300 |
break; |
| 301 |
|
| 302 |
case 'v': /* Volume photon map */ |
| 303 |
check(4, "ss"); |
| 304 |
volumePmapParams.fileName = argv [++i]; |
| 305 |
volumePmapParams.distribTarget = |
| 306 |
parseMultiplier(argv [++i]); |
| 307 |
if (!volumePmapParams.distribTarget) |
| 308 |
goto badopt; |
| 309 |
break; |
| 310 |
|
| 311 |
case 'd': /* Direct photon map */ |
| 312 |
check(4, "ss"); |
| 313 |
directPmapParams.fileName = argv [++i]; |
| 314 |
directPmapParams.distribTarget = |
| 315 |
parseMultiplier(argv [++i]); |
| 316 |
if (!directPmapParams.distribTarget) |
| 317 |
goto badopt; |
| 318 |
break; |
| 319 |
|
| 320 |
case 'C': /* Contribution photon map */ |
| 321 |
check(4, "ss"); |
| 322 |
contribPmapParams.fileName = argv [++i]; |
| 323 |
contribPmapParams.distribTarget = |
| 324 |
parseMultiplier(argv [++i]); |
| 325 |
if (!contribPmapParams.distribTarget) |
| 326 |
goto badopt; |
| 327 |
break; |
| 328 |
|
| 329 |
case 'D': /* Predistribution factor */ |
| 330 |
check(4, "f"); |
| 331 |
preDistrib = atof(argv [++i]); |
| 332 |
if (preDistrib <= 0) |
| 333 |
error(USER, "predistrib factor must be > 0"); |
| 334 |
break; |
| 335 |
|
| 336 |
case 'M': /* Max predistribution passes */ |
| 337 |
check(4, "i"); |
| 338 |
maxPreDistrib = atoi(argv [++i]); |
| 339 |
if (maxPreDistrib <= 0) |
| 340 |
error(USER, "max predistrib passes must be > 0"); |
| 341 |
break; |
| 342 |
|
| 343 |
#if 1 |
| 344 |
/* Kept for backwards compat, to be phased out by -lr */ |
| 345 |
case 'm': /* Max photon bounces */ |
| 346 |
check(4, "i"); |
| 347 |
photonMaxBounce = atol(argv [++i]); |
| 348 |
if (photonMaxBounce <= 0) |
| 349 |
error(USER, "max photon bounces must be > 0"); |
| 350 |
break; |
| 351 |
#endif |
| 352 |
|
| 353 |
#ifdef PMAP_EKSPERTZ |
| 354 |
case 'i': /* Add region of interest */ |
| 355 |
check(4, "ffffff"); |
| 356 |
n = pmapNumROI; |
| 357 |
pmapROI = realloc(pmapROI, |
| 358 |
++pmapNumROI * sizeof(PhotonMapROI)); |
| 359 |
if (!pmapROI) |
| 360 |
error(SYSTEM, "failed to allocate ROI"); |
| 361 |
pmapROI [n].min [0] = atof(argv [++i]); |
| 362 |
pmapROI [n].min [1] = atof(argv [++i]); |
| 363 |
pmapROI [n].min [2] = atof(argv [++i]); |
| 364 |
pmapROI [n].max [0] = atof(argv [++i]); |
| 365 |
pmapROI [n].max [1] = atof(argv [++i]); |
| 366 |
pmapROI [n].max [2] = atof(argv [++i]); |
| 367 |
for (j = 0; j < 3; j++) |
| 368 |
if (pmapROI [n].min [j] >= pmapROI [n].max [j]) |
| 369 |
error(USER, "invalid region of interest " |
| 370 |
"(swapped min/max?)"); |
| 371 |
break; |
| 372 |
#endif |
| 373 |
|
| 374 |
case 'P': /* Global photon precomp ratio */ |
| 375 |
check(4, "f"); |
| 376 |
finalGather = atof(argv [++i]); |
| 377 |
if (finalGather <= 0 || finalGather > 1) |
| 378 |
error(USER, "global photon precomputation ratio " |
| 379 |
"must be in range ]0, 1]"); |
| 380 |
break; |
| 381 |
|
| 382 |
case 'o': /* Photon port */ |
| 383 |
case 'O': |
| 384 |
/* Check for bad arg and length, taking into account |
| 385 |
* default forward orientation if none specified, in |
| 386 |
* order to maintain previous behaviour */ |
| 387 |
check(argv [i][4] ? 5 : 4, "s"); |
| 388 |
/* Get port orientation flags */ |
| 389 |
check_tri( |
| 390 |
4, PMAP_PORTFWD, PMAP_PORTBWD, portFlags [0] |
| 391 |
); |
| 392 |
|
| 393 |
if (argv [i][3] == 'O') { |
| 394 |
/* Add port modifiers from file */ |
| 395 |
rval = wordfile( |
| 396 |
portLp, MAXSET - (portLp - photonPortList), |
| 397 |
getpath(argv [++i], getrlibpath(), R_OK) |
| 398 |
); |
| 399 |
if (rval < 0) { |
| 400 |
sprintf( |
| 401 |
errmsg, "cannot open photon port file %s", |
| 402 |
argv [i] |
| 403 |
); |
| 404 |
error(SYSTEM, errmsg); |
| 405 |
} |
| 406 |
/* HACK: append port orientation flags to every |
| 407 |
* modifier; note this requires reallocation */ |
| 408 |
for (; rval--; portLp++) { |
| 409 |
j = strlen(*portLp); |
| 410 |
if (!(*portLp = realloc(*portLp, j + 2))) { |
| 411 |
sprintf( |
| 412 |
errmsg, |
| 413 |
"cannot allocate photon port modifiers" |
| 414 |
" from file %s", argv [i] |
| 415 |
); |
| 416 |
error(SYSTEM, errmsg); |
| 417 |
} |
| 418 |
strcat(*portLp, portFlags); |
| 419 |
} |
| 420 |
} |
| 421 |
else { |
| 422 |
/* Append port flags to port modifier, add to |
| 423 |
* port list and mark of end list with NULL */ |
| 424 |
strcpy(sbuf, argv [++i]); |
| 425 |
strcat(sbuf, portFlags); |
| 426 |
*portLp++ = savqstr(sbuf); |
| 427 |
*portLp = NULL; |
| 428 |
} |
| 429 |
break; |
| 430 |
|
| 431 |
case 'r': /* Random seed */ |
| 432 |
check(4, "i"); |
| 433 |
randSeed = atoi(argv [++i]); |
| 434 |
break; |
| 435 |
|
| 436 |
case 's': /* Antimatter sensor */ |
| 437 |
case 'S': |
| 438 |
check(4, "s"); |
| 439 |
if (argv[i][3] == 'S') { |
| 440 |
/* Add sensor modifiers from file */ |
| 441 |
rval = wordfile(sensLp, |
| 442 |
MAXSET - (sensLp - photonSensorList), |
| 443 |
getpath(argv [++i], |
| 444 |
getrlibpath(), R_OK)); |
| 445 |
if (rval < 0) { |
| 446 |
sprintf(errmsg, |
| 447 |
"cannot open antimatter sensor file %s", |
| 448 |
argv [i]); |
| 449 |
error(SYSTEM, errmsg); |
| 450 |
} |
| 451 |
sensLp += rval; |
| 452 |
} |
| 453 |
else { |
| 454 |
/* Append modifier to sensor list, mark end with |
| 455 |
* NULL */ |
| 456 |
*sensLp++ = savqstr(argv [++i]); |
| 457 |
*sensLp = NULL; |
| 458 |
} |
| 459 |
break; |
| 460 |
|
| 461 |
default: goto badopt; |
| 462 |
} |
| 463 |
break; |
| 464 |
|
| 465 |
default: goto badopt; |
| 466 |
} |
| 467 |
break; |
| 468 |
|
| 469 |
case 'b': /* Back face visibility */ |
| 470 |
if (argv [i][2] == 'v') { |
| 471 |
check_bool(3, backvis); |
| 472 |
} |
| 473 |
else goto badopt; |
| 474 |
break; |
| 475 |
|
| 476 |
case 'd': /* Direct */ |
| 477 |
switch (argv [i][2]) { |
| 478 |
case 'p': /* PDF samples */ |
| 479 |
check(3, "f"); |
| 480 |
pdfSamples = atof(argv [++i]); |
| 481 |
break; |
| 482 |
|
| 483 |
case 's': /* Source partition size ratio */ |
| 484 |
check(3, "f"); |
| 485 |
srcsizerat = atof(argv [++i]); |
| 486 |
break; |
| 487 |
|
| 488 |
default: goto badopt; |
| 489 |
} |
| 490 |
break; |
| 491 |
|
| 492 |
case 'e': /* Diagnostics file */ |
| 493 |
check(2, "s"); |
| 494 |
diagFile = argv [++i]; |
| 495 |
break; |
| 496 |
|
| 497 |
case 'f': /* Force overwrite */ |
| 498 |
if (argv [i][2] == 'o') { |
| 499 |
check_bool(3, clobber); |
| 500 |
} |
| 501 |
else goto badopt; |
| 502 |
break; |
| 503 |
|
| 504 |
#ifdef PMAP_EKSPERTZ |
| 505 |
case 'l': /* Limits */ |
| 506 |
switch (argv [i][2]) { |
| 507 |
case 'd': /* Limit photon path distance */ |
| 508 |
check(3, "f"); |
| 509 |
photonMaxDist = atof(argv [++i]); |
| 510 |
if (photonMaxDist <= 0) |
| 511 |
error(USER, "max photon distance must be > 0"); |
| 512 |
break; |
| 513 |
|
| 514 |
case 'r': /* Limit photon bounces */ |
| 515 |
check(3, "i"); |
| 516 |
photonMaxBounce = atol(argv [++i]); |
| 517 |
if (photonMaxBounce <= 0) |
| 518 |
error(USER, "max photon bounces must be > 0"); |
| 519 |
break; |
| 520 |
|
| 521 |
default: goto badopt; |
| 522 |
} |
| 523 |
break; |
| 524 |
#endif |
| 525 |
|
| 526 |
case 'm': /* Medium */ |
| 527 |
switch (argv[i][2]) { |
| 528 |
case 'e': /* Eggs-tinction coefficient */ |
| 529 |
check(3, "fff"); |
| 530 |
setcolor(cextinction, atof(argv [i + 1]), |
| 531 |
atof(argv [i + 2]), atof(argv [i + 3])); |
| 532 |
i += 3; |
| 533 |
break; |
| 534 |
|
| 535 |
case 'a': /* Albedo */ |
| 536 |
check(3, "fff"); |
| 537 |
setcolor(salbedo, atof(argv [i + 1]), |
| 538 |
atof(argv [i + 2]), atof(argv [i + 3])); |
| 539 |
i += 3; |
| 540 |
break; |
| 541 |
|
| 542 |
case 'g': /* Scattering eccentricity */ |
| 543 |
check(3, "f"); |
| 544 |
seccg = atof(argv [++i]); |
| 545 |
break; |
| 546 |
|
| 547 |
default: goto badopt; |
| 548 |
} |
| 549 |
break; |
| 550 |
|
| 551 |
#if NIX |
| 552 |
case 'n': /* Num parallel processes (NIX only) */ |
| 553 |
check(2, "i"); |
| 554 |
nproc = atoi(argv [++i]); |
| 555 |
|
| 556 |
if (nproc > PMAP_MAXPROC) { |
| 557 |
nproc = PMAP_MAXPROC; |
| 558 |
sprintf(errmsg, "too many parallel processes, clamping to " |
| 559 |
"%d\n", nproc); |
| 560 |
error(WARNING, errmsg); |
| 561 |
} |
| 562 |
break; |
| 563 |
#endif |
| 564 |
|
| 565 |
case 't': /* Timer */ |
| 566 |
check(2, "i"); |
| 567 |
photonRepTime = atoi(argv [++i]); |
| 568 |
break; |
| 569 |
|
| 570 |
case 'v': /* Verbosity */ |
| 571 |
check_bool(2, verbose); |
| 572 |
break; |
| 573 |
|
| 574 |
#ifdef EVALDRC_HACK |
| 575 |
case 'A': /* Angular source file */ |
| 576 |
check(2,"s"); |
| 577 |
angsrcfile = argv[++i]; |
| 578 |
break; |
| 579 |
#endif |
| 580 |
|
| 581 |
default: goto badopt; |
| 582 |
} |
| 583 |
} |
| 584 |
|
| 585 |
/* Open diagnostics file */ |
| 586 |
if (diagFile) { |
| 587 |
if (!freopen(diagFile, "a", stderr)) quit(2); |
| 588 |
fprintf(stderr, "**************\n*** PID %5d: ", getpid()); |
| 589 |
printargs(argc, argv, stderr); |
| 590 |
putc('\n', stderr); |
| 591 |
fflush(stderr); |
| 592 |
} |
| 593 |
|
| 594 |
#ifdef NICE |
| 595 |
/* Lower priority */ |
| 596 |
nice(NICE); |
| 597 |
#endif |
| 598 |
|
| 599 |
if (octname == NULL) |
| 600 |
error(USER, "missing octree argument"); |
| 601 |
|
| 602 |
/* Allocate photon maps and set parameters */ |
| 603 |
for (i = 0; i < NUM_PMAP_TYPES; i++) { |
| 604 |
setPmapParam(photonMaps + i, pmapParams + i); |
| 605 |
|
| 606 |
/* Don't overwrite existing photon map unless clobbering enabled */ |
| 607 |
if (photonMaps [i] && !stat(photonMaps [i] -> fileName, &pmstat) && |
| 608 |
!clobber) { |
| 609 |
sprintf(errmsg, "photon map file %s exists, not overwritten", |
| 610 |
photonMaps [i] -> fileName); |
| 611 |
error(USER, errmsg); |
| 612 |
} |
| 613 |
} |
| 614 |
|
| 615 |
for (i = 0; i < NUM_PMAP_TYPES && !photonMaps [i]; i++); |
| 616 |
if (i >= NUM_PMAP_TYPES) |
| 617 |
error(USER, "no photon maps specified"); |
| 618 |
|
| 619 |
readoct(octname, loadflags, &thescene, NULL); |
| 620 |
#ifdef EVALDRC_HACK |
| 621 |
if (angsrcfile) |
| 622 |
readobj(angsrcfile); /* load angular sources */ |
| 623 |
#endif |
| 624 |
nsceneobjs = nobjects; |
| 625 |
|
| 626 |
/* Get sources */ |
| 627 |
marksources(); |
| 628 |
|
| 629 |
/* Do forward pass and build photon maps */ |
| 630 |
if (contribPmap) |
| 631 |
/* Just build contrib pmap, ignore others */ |
| 632 |
distribPhotonContrib(contribPmap, nproc); |
| 633 |
else |
| 634 |
distribPhotons(photonMaps, nproc); |
| 635 |
|
| 636 |
/* Save photon maps; no idea why GCC needs an explicit cast here... */ |
| 637 |
savePmaps((const PhotonMap**)photonMaps, argc, argv); |
| 638 |
cleanUpPmaps(photonMaps); |
| 639 |
|
| 640 |
quit(0); |
| 641 |
|
| 642 |
badopt: |
| 643 |
sprintf(errmsg, "command line error at '%s'", argv[i]); |
| 644 |
error(USER, errmsg); |
| 645 |
|
| 646 |
#undef check |
| 647 |
#undef check_bool |
| 648 |
return 0; |
| 649 |
} |
