| 1 |
+ |
#ifndef lint |
| 2 |
+ |
static const char RCSid[] = "$Id$"; |
| 3 |
+ |
#endif |
| 4 |
+ |
|
| 5 |
+ |
|
| 6 |
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/* |
| 7 |
< |
================================================================== |
| 7 |
> |
====================================================================== |
| 8 |
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Photon map generator |
| 9 |
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|
| 10 |
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Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
| 11 |
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(c) Fraunhofer Institute for Solar Energy Systems, |
| 12 |
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Lucerne University of Applied Sciences & Arts |
| 13 |
< |
================================================================== |
| 13 |
> |
(c) Lucerne University of Applied Sciences and Arts, |
| 14 |
> |
supported by the Swiss National Science Foundation (SNSF, #147053) |
| 15 |
> |
====================================================================== |
| 16 |
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|
| 17 |
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$Id$ |
| 18 |
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*/ |
| 19 |
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|
| 20 |
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|
| 14 |
– |
|
| 21 |
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#include "pmap.h" |
| 22 |
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#include "pmapmat.h" |
| 23 |
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#include "pmapcontrib.h" |
| 30 |
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#include <sys/stat.h> |
| 31 |
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|
| 32 |
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|
| 33 |
+ |
/* Enable options for Ze Ekspertz only! */ |
| 34 |
+ |
#define PMAP_EKSPERTZ |
| 35 |
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|
| 36 |
+ |
|
| 37 |
|
extern char VersionID []; |
| 38 |
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|
| 39 |
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|
| 40 |
+ |
char* progname; /* argv[0] */ |
| 41 |
+ |
int dimlist [MAXDIM]; /* sampling dimensions */ |
| 42 |
+ |
int ndims = 0; /* number of sampling dimenshunns */ |
| 43 |
+ |
char* octname = NULL; /* octree name */ |
| 44 |
+ |
CUBE thescene; /* scene top-level octree */ |
| 45 |
+ |
OBJECT nsceneobjs; /* number of objects in scene */ |
| 46 |
+ |
double srcsizerat = 0.01; /* source partition size ratio */ |
| 47 |
+ |
int backvis = 1; /* back face visibility */ |
| 48 |
+ |
int clobber = 0; /* overwrite output */ |
| 49 |
+ |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
| 50 |
+ |
COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
| 51 |
+ |
double seccg = 0; /* global scattering eccentricity */ |
| 52 |
+ |
int ambincl = -1; /* photon port flag */ |
| 53 |
+ |
char *amblist [AMBLLEN + 1]; /* photon port list */ |
| 54 |
+ |
char *diagFile = NULL; /* diagnostics output file */ |
| 55 |
+ |
int rand_samp = 1; /* uncorrelated random sampling */ |
| 56 |
+ |
unsigned nproc = 1; /* number of parallel processes */ |
| 57 |
+ |
#ifdef EVALDRC_HACK |
| 58 |
+ |
char *angsrcfile = NULL; /* angular source file for EvalDRC */ |
| 59 |
+ |
#endif |
| 60 |
|
|
| 32 |
– |
char* progname; /* argv[0] */ |
| 33 |
– |
int dimlist [MAXDIM]; /* sampling dimensions */ |
| 34 |
– |
int ndims = 0; /* number of sampling dimenshunns */ |
| 35 |
– |
char* octname = NULL; /* octree name */ |
| 36 |
– |
CUBE thescene; /* scene top-level octree */ |
| 37 |
– |
OBJECT nsceneobjs; /* number of objects in scene */ |
| 38 |
– |
double srcsizerat = 0.01; /* source partition size ratio */ |
| 39 |
– |
int backvis = 1; /* back face visibility */ |
| 40 |
– |
int clobber = 0; /* overwrite output */ |
| 41 |
– |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
| 42 |
– |
COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
| 43 |
– |
double seccg = 0; /* global scattering eccentricity */ |
| 44 |
– |
int ambincl = -1; /* photon port flag */ |
| 45 |
– |
char *amblist [AMBLLEN + 1]; /* photon port list */ |
| 46 |
– |
char *diagFile = NULL; /* diagnostics output file */ |
| 47 |
– |
int rand_samp = 1; /* uncorrelated random sampling */ |
| 61 |
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|
| 49 |
– |
|
| 62 |
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/* Dummies for linkage */ |
| 63 |
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|
| 64 |
|
COLOR ambval = BLKCOLOR; |
| 71 |
|
char *shm_boundary = NULL, *ambfile = NULL, *RCCONTEXT = NULL; |
| 72 |
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void (*trace)() = NULL, (*addobjnotify [])() = {ambnotify, NULL}; |
| 73 |
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|
| 62 |
– |
|
| 74 |
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|
| 75 |
|
void printdefaults() |
| 76 |
|
/* print default values to stdout */ |
| 77 |
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{ |
| 78 |
< |
puts("-apg file nPhotons\t\t# global photon map"); |
| 79 |
< |
puts("-apc file nPhotons\t\t# caustic photon map"); |
| 80 |
< |
puts("-apd file nPhotons\t\t# direct photon map"); |
| 81 |
< |
puts("-app file nPhotons bwidth\t# precomputed global photon map"); |
| 82 |
< |
#if 0 |
| 83 |
< |
/* Hide this option as most likely useless and confusing to user */ |
| 84 |
< |
puts("-appb file nPhotons minBw maxBw\t# precomp bias comp global pmap"); |
| 78 |
> |
|
| 79 |
> |
#ifdef EVALDRC_HACK |
| 80 |
> |
/* EvalDRC support */ |
| 81 |
> |
puts("-A\t\t\t\t# angular source file"); |
| 82 |
> |
#endif |
| 83 |
> |
#ifdef PMAP_EKSPERTZ |
| 84 |
> |
puts("-api xmin ymin zmin xmax ymax zmax\t# region of interest"); |
| 85 |
|
#endif |
| 86 |
< |
puts("-apv file nPhotons\t\t# volume photon map"); |
| 87 |
< |
puts("-apC file nPhotons\t\t# contribution photon map"); |
| 88 |
< |
|
| 89 |
< |
printf("-apD %f\t\t\t# predistribution factor\n", preDistrib); |
| 90 |
< |
printf("-apM %d\t\t\t\t# max predistrib passes\n", maxPreDistrib); |
| 91 |
< |
printf("-apm %ld\t\t\t# max photon bounces\n", photonMaxBounce); |
| 92 |
< |
puts("-apo mod\t\t\t# photon port modifier"); |
| 93 |
< |
puts("-apO file\t\t\t# photon port file"); |
| 94 |
< |
printf("-apP %f\t\t\t# precomputation factor\n", finalGather); |
| 95 |
< |
printf("-apr %d\t\t\t\t# random seed\n", randSeed); |
| 96 |
< |
puts("-aps mod\t\t\t# antimatter sensor modifier"); |
| 97 |
< |
puts("-apS file\t\t\t# antimatter sensor file"); |
| 86 |
> |
puts("-apg file nPhotons\t\t\t# global photon map"); |
| 87 |
> |
puts("-apc file nPhotons\t\t\t# caustic photon map"); |
| 88 |
> |
puts("-apd file nPhotons\t\t\t# direct photon map"); |
| 89 |
> |
puts("-app file nPhotons bwidth\t\t# precomputed global photon map"); |
| 90 |
> |
puts("-apv file nPhotons\t\t\t# volume photon map"); |
| 91 |
> |
puts("-apC file nPhotons\t\t\t# contribution photon map"); |
| 92 |
> |
printf("-apD %f\t\t\t\t# predistribution factor\n", preDistrib); |
| 93 |
> |
printf("-apM %d\t\t\t\t\t# max predistrib passes\n", maxPreDistrib); |
| 94 |
> |
#if 1 |
| 95 |
> |
/* Kept for backwards compat, will be gradually phased out by -lD, -lr */ |
| 96 |
> |
printf("-apm %ld\t\t\t\t# limit photon bounces\n", photonMaxBounce); |
| 97 |
> |
#endif |
| 98 |
> |
puts("-apo mod\t\t\t\t# photon port modifier"); |
| 99 |
> |
puts("-apO file\t\t\t\t# photon port file"); |
| 100 |
> |
printf("-apP %f\t\t\t\t# precomputation factor\n", finalGather); |
| 101 |
> |
printf("-apr %d\t\t\t\t\t# random seed\n", randSeed); |
| 102 |
> |
puts("-aps mod\t\t\t\t# antimatter sensor modifier"); |
| 103 |
> |
puts("-apS file\t\t\t\t# antimatter sensor file"); |
| 104 |
|
|
| 105 |
< |
printf(backvis ? "-bv+\t\t\t\t# back face visibility on\n" |
| 106 |
< |
: "-bv-\t\t\t\t# back face visibility off\n"); |
| 107 |
< |
printf("-dp %.1f\t\t\t# PDF samples / sr\n", pdfSamples); |
| 108 |
< |
printf("-ds %f\t\t\t# source partition size ratio\n", srcsizerat); |
| 109 |
< |
printf("-e %s\t\t\t# diagnostics output file\n", diagFile); |
| 110 |
< |
printf(clobber ? "-fo+\t\t\t\t# force overwrite" |
| 111 |
< |
: "-fo-\t\t\t\t# do not overwrite\n"); |
| 112 |
< |
printf("-i %-9ld\t\t\t# photon heap size increment\n", |
| 113 |
< |
photonHeapSizeInc); |
| 114 |
< |
printf("-ma %.2f %.2f %.2f\t\t# scattering albedo\n", |
| 105 |
> |
printf(backvis ? "-bv+\t\t\t\t\t# back face visibility on\n" |
| 106 |
> |
: "-bv-\t\t\t\t\t# back face visibility off\n"); |
| 107 |
> |
printf("-dp %.1f\t\t\t\t# PDF samples / sr\n", pdfSamples); |
| 108 |
> |
printf("-ds %f\t\t\t\t# source partition size ratio\n", srcsizerat); |
| 109 |
> |
printf("-e %s\t\t\t\t# diagnostics output file\n", diagFile); |
| 110 |
> |
printf(clobber ? "-fo+\t\t\t\t\t# force overwrite\n" |
| 111 |
> |
: "-fo-\t\t\t\t\t# do not overwrite\n"); |
| 112 |
> |
#ifdef PMAP_EKSPERTZ |
| 113 |
> |
/* NU STUFF for Ze Exspertz! */ |
| 114 |
> |
printf("-ld %.1f\t\t\t\t\t# limit photon distance\n", photonMaxDist); |
| 115 |
> |
printf("-lr %ld\t\t\t\t# limit photon bounces\n", photonMaxBounce); |
| 116 |
> |
#endif |
| 117 |
> |
printf("-ma %.2f %.2f %.2f\t\t\t# scattering albedo\n", |
| 118 |
|
colval(salbedo,RED), colval(salbedo,GRN), colval(salbedo,BLU)); |
| 119 |
< |
printf("-me %.2e %.2e %.2e\t# extinction coefficient\n", |
| 119 |
> |
printf("-me %.2e %.2e %.2e\t\t# extinction coefficient\n", |
| 120 |
|
colval(cextinction,RED), colval(cextinction,GRN), |
| 121 |
|
colval(cextinction,BLU)); |
| 122 |
< |
printf("-mg %.2f\t\t\t# scattering eccentricity\n", seccg); |
| 123 |
< |
printf("-t %-9d\t\t\t# time between reports\n", photonRepTime); |
| 124 |
< |
|
| 125 |
< |
#ifdef PMAP_ROI |
| 106 |
< |
/* Ziss option for ze egg-spurtz only! */ |
| 107 |
< |
printf("-api \t%.0e %.0e %.0e\n\t%.0e %.0e %.0e\t# region of interest\n", |
| 108 |
< |
pmapROI [0], pmapROI [1], pmapROI [2], pmapROI [3], |
| 109 |
< |
pmapROI [4], pmapROI [5]); |
| 122 |
> |
printf("-mg %.2f\t\t\t\t# scattering eccentricity\n", seccg); |
| 123 |
> |
#if NIX |
| 124 |
> |
/* Multiprocessing on NIX only */ |
| 125 |
> |
printf("-n %d\t\t\t\t\t# number of parallel processes\n", nproc); |
| 126 |
|
#endif |
| 127 |
+ |
printf("-t %-9d\t\t\t\t# time between reports\n", photonRepTime); |
| 128 |
+ |
printf(verbose ? "-v+\t\t\t\t\t# verbose console output\n" |
| 129 |
+ |
: "-v-\t\t\t\t\t# terse console output\n"); |
| 130 |
|
} |
| 131 |
|
|
| 132 |
|
|
| 114 |
– |
|
| 115 |
– |
|
| 133 |
|
int main (int argc, char* argv []) |
| 134 |
|
{ |
| 135 |
|
#define check(ol, al) if (argv [i][ol] || \ |
| 193 |
|
if (!globalPmapParams.distribTarget) |
| 194 |
|
goto badopt; |
| 195 |
|
globalPmapParams.minGather = globalPmapParams.maxGather = 0; |
| 196 |
< |
} |
| 180 |
< |
|
| 181 |
< |
else if (!strcmp(argv [i] + 2, "pm")) { |
| 182 |
< |
/* Max photon bounces */ |
| 183 |
< |
check(4, "i"); |
| 184 |
< |
photonMaxBounce = atol(argv [++i]); |
| 185 |
< |
if (!photonMaxBounce) |
| 186 |
< |
goto badopt; |
| 187 |
< |
} |
| 196 |
> |
} |
| 197 |
|
|
| 198 |
|
else if (!strcmp(argv [i] + 2, "pp")) { |
| 199 |
|
/* Precomputed global photon map */ |
| 209 |
|
goto badopt; |
| 210 |
|
} |
| 211 |
|
|
| 203 |
– |
#if 0 |
| 204 |
– |
else if (!strcmp(argv [i] + 2, "ppb")) { |
| 205 |
– |
/* Precomputed global photon map + bias comp. */ |
| 206 |
– |
check(5, "ssii"); |
| 207 |
– |
preCompPmapParams.fileName = argv [++i]; |
| 208 |
– |
preCompPmapParams.distribTarget = |
| 209 |
– |
parseMultiplier(argv [++i]); |
| 210 |
– |
if (!preCompPmapParams.distribTarget) |
| 211 |
– |
goto badopt; |
| 212 |
– |
preCompPmapParams.minGather = atoi(argv [++i]); |
| 213 |
– |
preCompPmapParams.maxGather = atoi(argv [++i]); |
| 214 |
– |
if (!preCompPmapParams.minGather || |
| 215 |
– |
preCompPmapParams.minGather >= |
| 216 |
– |
preCompPmapParams.maxGather) |
| 217 |
– |
goto badopt; |
| 218 |
– |
} |
| 219 |
– |
#endif |
| 220 |
– |
|
| 212 |
|
else if (!strcmp(argv [i] + 2, "pc")) { |
| 213 |
|
/* Caustic photon map */ |
| 214 |
|
check(4, "ss"); |
| 248 |
|
if (!contribPmapParams.distribTarget) |
| 249 |
|
goto badopt; |
| 250 |
|
} |
| 251 |
< |
|
| 251 |
> |
|
| 252 |
|
else if (!strcmp(argv [i] + 2, "pD")) { |
| 253 |
|
/* Predistribution factor */ |
| 254 |
|
check(4, "f"); |
| 255 |
|
preDistrib = atof(argv [++i]); |
| 256 |
|
if (preDistrib <= 0) |
| 257 |
|
error(USER, "predistribution factor must be > 0"); |
| 258 |
< |
} |
| 258 |
> |
} |
| 259 |
|
|
| 260 |
< |
#ifdef PMAP_ROI |
| 261 |
< |
/* Region of interest; ziss option for ze egg-spurtz only! */ |
| 260 |
> |
else if (!strcmp(argv [i] + 2, "pM")) { |
| 261 |
> |
/* Max predistribution passes */ |
| 262 |
> |
check(4, "i"); |
| 263 |
> |
maxPreDistrib = atoi(argv [++i]); |
| 264 |
> |
if (maxPreDistrib <= 0) |
| 265 |
> |
error(USER, "max predistribution passes must be > 0"); |
| 266 |
> |
} |
| 267 |
> |
#if 1 |
| 268 |
> |
/* Kept for backwards compat, to be phased out by -lr */ |
| 269 |
> |
else if (!strcmp(argv [i] + 2, "pm")) { |
| 270 |
> |
/* Max photon bounces */ |
| 271 |
> |
check(4, "i"); |
| 272 |
> |
photonMaxBounce = atol(argv [++i]); |
| 273 |
> |
if (photonMaxBounce <= 0) |
| 274 |
> |
error(USER, "max photon bounces must be > 0"); |
| 275 |
> |
} |
| 276 |
> |
#endif |
| 277 |
> |
#ifdef PMAP_EKSPERTZ |
| 278 |
> |
/* Add region of interest; for Ze Ekspertz only! */ |
| 279 |
|
else if (!strcmp(argv [i] + 2, "pi")) { |
| 280 |
< |
int j; |
| 280 |
> |
unsigned j, n = pmapNumROI; |
| 281 |
|
check(4, "ffffff"); |
| 282 |
< |
for (j = 0; j < 6; j++) |
| 283 |
< |
pmapROI [j] = atof(argv [++i]); |
| 284 |
< |
} |
| 285 |
< |
#endif |
| 286 |
< |
|
| 282 |
> |
|
| 283 |
> |
pmapROI = realloc(pmapROI, |
| 284 |
> |
++pmapNumROI * sizeof(PhotonMapROI)); |
| 285 |
> |
if (!pmapROI) |
| 286 |
> |
error(SYSTEM, "failed to allocate ROI"); |
| 287 |
> |
|
| 288 |
> |
pmapROI [n].min [0] = atof(argv [++i]); |
| 289 |
> |
pmapROI [n].min [1] = atof(argv [++i]); |
| 290 |
> |
pmapROI [n].min [2] = atof(argv [++i]); |
| 291 |
> |
pmapROI [n].max [0] = atof(argv [++i]); |
| 292 |
> |
pmapROI [n].max [1] = atof(argv [++i]); |
| 293 |
> |
pmapROI [n].max [2] = atof(argv [++i]); |
| 294 |
> |
|
| 295 |
> |
for (j = 0; j < 3; j++) |
| 296 |
> |
if (pmapROI [n].min [j] >= pmapROI [n].max [j]) |
| 297 |
> |
error(USER, |
| 298 |
> |
"invalid region of interest (swapped min/max?)"); |
| 299 |
> |
} |
| 300 |
> |
#endif |
| 301 |
|
else if (!strcmp(argv [i] + 2, "pP")) { |
| 302 |
|
/* Global photon precomputation factor */ |
| 303 |
|
check(4, "f"); |
| 318 |
|
} |
| 319 |
|
|
| 320 |
|
if (argv[i][3] == 'O') { |
| 321 |
< |
/* Get port modifiers file */ |
| 321 |
> |
/* Get port modifiers from file */ |
| 322 |
|
rval = wordfile(portLp, AMBLLEN-(portLp-amblist), |
| 323 |
< |
getpath(argv [++i], getrlibpath(), R_OK)); |
| 323 |
> |
getpath(argv [++i], getrlibpath(), R_OK)); |
| 324 |
> |
|
| 325 |
|
if (rval < 0) { |
| 326 |
|
sprintf(errmsg, "cannot open photon port file %s", |
| 327 |
|
argv [i]); |
| 352 |
|
if (argv[i][3] == 'S') { |
| 353 |
|
/* Get sensor modifiers from file */ |
| 354 |
|
rval = wordfile(sensLp, MAXSET-(sensLp-photonSensorList), |
| 355 |
< |
getpath(argv [++i], getrlibpath(), R_OK)); |
| 355 |
> |
getpath(argv [++i], getrlibpath(), R_OK)); |
| 356 |
> |
|
| 357 |
|
if (rval < 0) { |
| 358 |
|
sprintf(errmsg, "cannot open antimatter sensor file %s", |
| 359 |
|
argv [i]); |
| 411 |
|
|
| 412 |
|
else goto badopt; |
| 413 |
|
break; |
| 414 |
< |
|
| 415 |
< |
case 'i': /* Photon heap size increment */ |
| 416 |
< |
check(2, "i"); |
| 417 |
< |
photonHeapSizeInc = atol(argv [++i]); |
| 414 |
> |
#ifdef PMAP_EKSPERTZ |
| 415 |
> |
case 'l': /* Limits */ |
| 416 |
> |
switch (argv [i][2]) { |
| 417 |
> |
case 'd': /* Limit photon path distance */ |
| 418 |
> |
check(3, "f"); |
| 419 |
> |
photonMaxDist = atof(argv [++i]); |
| 420 |
> |
if (photonMaxDist <= 0) |
| 421 |
> |
error(USER, "max photon distance must be > 0"); |
| 422 |
> |
break; |
| 423 |
> |
|
| 424 |
> |
case 'r': /* Limit photon bounces */ |
| 425 |
> |
check(3, "i"); |
| 426 |
> |
photonMaxBounce = atol(argv [++i]); |
| 427 |
> |
if (photonMaxBounce <= 0) |
| 428 |
> |
error(USER, "max photon bounces must be > 0"); |
| 429 |
> |
break; |
| 430 |
> |
|
| 431 |
> |
default: goto badopt; |
| 432 |
> |
} |
| 433 |
|
break; |
| 434 |
< |
|
| 434 |
> |
#endif |
| 435 |
|
case 'm': /* Medium */ |
| 436 |
|
switch (argv[i][2]) { |
| 437 |
|
case 'e': /* Eggs-tinction coefficient */ |
| 456 |
|
default: goto badopt; |
| 457 |
|
} |
| 458 |
|
break; |
| 459 |
< |
|
| 459 |
> |
#if NIX |
| 460 |
> |
case 'n': /* Num parallel processes (NIX only) */ |
| 461 |
> |
check(2, "i"); |
| 462 |
> |
nproc = atoi(argv [++i]); |
| 463 |
> |
|
| 464 |
> |
if (nproc > PMAP_MAXPROC) { |
| 465 |
> |
nproc = PMAP_MAXPROC; |
| 466 |
> |
sprintf(errmsg, "too many parallel processes, clamping to " |
| 467 |
> |
"%d\n", nproc); |
| 468 |
> |
error(WARNING, errmsg); |
| 469 |
> |
} |
| 470 |
> |
break; |
| 471 |
> |
#endif |
| 472 |
|
case 't': /* Timer */ |
| 473 |
|
check(2, "i"); |
| 474 |
|
photonRepTime = atoi(argv [++i]); |
| 475 |
|
break; |
| 476 |
< |
|
| 476 |
> |
|
| 477 |
> |
case 'v': /* Verbosity */ |
| 478 |
> |
check_bool(2, verbose); |
| 479 |
> |
break; |
| 480 |
> |
#ifdef EVALDRC_HACK |
| 481 |
> |
case 'A': /* Angular source file */ |
| 482 |
> |
check(2,"s"); |
| 483 |
> |
angsrcfile = argv[++i]; |
| 484 |
> |
break; |
| 485 |
> |
#endif |
| 486 |
|
default: goto badopt; |
| 487 |
|
} |
| 488 |
|
} |
| 522 |
|
error(USER, "no photon maps specified"); |
| 523 |
|
|
| 524 |
|
readoct(octname, loadflags, &thescene, NULL); |
| 525 |
+ |
#ifdef EVALDRC_HACK |
| 526 |
+ |
if (angsrcfile) |
| 527 |
+ |
readobj(angsrcfile); /* load angular sources */ |
| 528 |
+ |
#endif |
| 529 |
|
nsceneobjs = nobjects; |
| 530 |
|
|
| 531 |
|
/* Get sources */ |
| 534 |
|
/* Do forward pass and build photon maps */ |
| 535 |
|
if (contribPmap) |
| 536 |
|
/* Just build contrib pmap, ignore others */ |
| 537 |
< |
distribPhotonContrib(contribPmap); |
| 537 |
> |
distribPhotonContrib(contribPmap, nproc); |
| 538 |
|
else |
| 539 |
< |
distribPhotons(photonMaps); |
| 539 |
> |
distribPhotons(photonMaps, nproc); |
| 540 |
|
|
| 541 |
|
/* Save photon maps; no idea why GCC needs an explicit cast here... */ |
| 542 |
|
savePmaps((const PhotonMap**)photonMaps, argc, argv); |
