1 |
+ |
#ifndef lint |
2 |
+ |
static const char RCSid[] = "$Id$"; |
3 |
+ |
#endif |
4 |
+ |
|
5 |
+ |
|
6 |
|
/* |
7 |
< |
================================================================== |
7 |
> |
====================================================================== |
8 |
|
Photon map generator |
9 |
|
|
10 |
|
Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
11 |
|
(c) Fraunhofer Institute for Solar Energy Systems, |
12 |
|
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 |
|
|
17 |
|
$Id$ |
18 |
|
*/ |
19 |
|
|
20 |
|
|
14 |
– |
|
21 |
|
#include "pmap.h" |
22 |
|
#include "pmapmat.h" |
23 |
|
#include "pmapcontrib.h" |
30 |
|
#include <sys/stat.h> |
31 |
|
|
32 |
|
|
33 |
+ |
/* Enable options for Ze Ekspertz only! */ |
34 |
+ |
#define PMAP_EKSPERTZ |
35 |
|
|
36 |
+ |
|
37 |
|
extern char VersionID []; |
38 |
|
|
39 |
|
|
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 */ |
61 |
|
|
48 |
– |
|
49 |
– |
|
62 |
|
/* Dummies for linkage */ |
63 |
|
|
64 |
|
COLOR ambval = BLKCOLOR; |
71 |
|
char *shm_boundary = NULL, *ambfile = NULL, *RCCONTEXT = NULL; |
72 |
|
void (*trace)() = NULL, (*addobjnotify [])() = {ambnotify, NULL}; |
73 |
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|
62 |
– |
|
74 |
|
|
75 |
|
void printdefaults() |
76 |
|
/* print default values to stdout */ |
77 |
|
{ |
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] || \ |
136 |
|
badarg(argc - i - 1,argv + i + 1, al)) \ |
137 |
|
goto badopt |
138 |
|
|
139 |
< |
#define bool(olen, var) switch (argv [i][olen]) { \ |
139 |
> |
#define check_bool(olen, var) switch (argv [i][olen]) { \ |
140 |
|
case '\0': var = !var; break; \ |
141 |
|
case 'y': case 'Y': case 't': case 'T': \ |
142 |
|
case '+': case '1': var = 1; break; \ |
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 */ |
322 |
< |
rval = wordfile(portLp, getpath(argv [++i], |
323 |
< |
getrlibpath(), R_OK)); |
321 |
> |
/* Get port modifiers from file */ |
322 |
> |
rval = wordfile(portLp, AMBLLEN-(portLp-amblist), |
323 |
> |
getpath(argv [++i], getrlibpath(), R_OK)); |
324 |
> |
|
325 |
|
if (rval < 0) { |
326 |
|
sprintf(errmsg, "cannot open photon port file %s", |
327 |
|
argv [i]); |
351 |
|
|
352 |
|
if (argv[i][3] == 'S') { |
353 |
|
/* Get sensor modifiers from file */ |
354 |
< |
rval = wordfile(sensLp, getpath(argv [++i], |
355 |
< |
getrlibpath(), R_OK)); |
354 |
> |
rval = wordfile(sensLp, MAXSET-(sensLp-photonSensorList), |
355 |
> |
getpath(argv [++i], getrlibpath(), R_OK)); |
356 |
> |
|
357 |
|
if (rval < 0) { |
358 |
|
sprintf(errmsg, "cannot open antimatter sensor file %s", |
359 |
|
argv [i]); |
376 |
|
case 'b': |
377 |
|
if (argv [i][2] == 'v') { |
378 |
|
/* Back face visibility */ |
379 |
< |
bool(3, backvis); |
379 |
> |
check_bool(3, backvis); |
380 |
|
} |
381 |
|
|
382 |
|
else goto badopt; |
406 |
|
case 'f': |
407 |
|
if (argv [i][2] == 'o') { |
408 |
|
/* Force overwrite */ |
409 |
< |
bool(3, clobber); |
409 |
> |
check_bool(3, clobber); |
410 |
|
} |
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); |
549 |
|
error(USER, errmsg); |
550 |
|
|
551 |
|
#undef check |
552 |
< |
#undef bool |
552 |
> |
#undef check_bool |
553 |
|
return 0; |
554 |
|
} |