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5d12ce38 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
d0d4a6b3 | 18 | // This class is extracted from the AliRun class |
19 | // and contains all the MC-related functionality | |
20 | // The number of dependencies has to be reduced... | |
21 | // Author: F.Carminati | |
22 | // Federico.Carminati@cern.ch | |
23 | ||
c75cfb51 | 24 | #include <RVersion.h> |
3e2e3ece | 25 | #include <TArrayI.h> |
7ca4655f | 26 | #include <TClonesArray.h> |
3e2e3ece | 27 | #include <TFile.h> |
7ca4655f | 28 | #include <TGeoManager.h> |
3e2e3ece | 29 | #include <TParticle.h> |
30 | #include <TROOT.h> | |
5d12ce38 | 31 | #include <TStopwatch.h> |
32 | #include <TSystem.h> | |
33 | #include <TVirtualMC.h> | |
b60e0f5e | 34 | |
3e2e3ece | 35 | #include "AliCDBEntry.h" |
36 | #include "AliCDBManager.h" | |
37 | #include "AliCDBStorage.h" | |
5d12ce38 | 38 | #include "AliDetector.h" |
39 | #include "AliGenerator.h" | |
3e2e3ece | 40 | #include "AliGeomManager.h" |
5d12ce38 | 41 | #include "AliHeader.h" |
3e2e3ece | 42 | #include "AliHit.h" |
5d12ce38 | 43 | #include "AliLego.h" |
3e2e3ece | 44 | #include "AliLog.h" |
5d12ce38 | 45 | #include "AliMC.h" |
3e2e3ece | 46 | #include "AliMagF.h" |
5d12ce38 | 47 | #include "AliRun.h" |
3e2e3ece | 48 | #include "AliSimulation.h" |
5d12ce38 | 49 | #include "AliStack.h" |
50 | #include "AliTrackReference.h" | |
5d12ce38 | 51 | |
52 | ClassImp(AliMC) | |
53 | ||
54 | //_______________________________________________________________________ | |
55 | AliMC::AliMC() : | |
56 | fGenerator(0), | |
57 | fEventEnergy(0), | |
58 | fSummEnergy(0), | |
59 | fSum2Energy(0), | |
60 | fTrRmax(1.e10), | |
61 | fTrZmax(1.e10), | |
90e48c0c | 62 | fRDecayMax(1.e10), |
38ca2ad6 | 63 | fRDecayMin(-1.), |
90e48c0c | 64 | fDecayPdg(0), |
5d12ce38 | 65 | fImedia(0), |
66 | fTransParName("\0"), | |
5d12ce38 | 67 | fHitLists(0), |
3cac0921 | 68 | fTmpTreeTR(0), |
69 | fTmpFileTR(0), | |
fd650020 | 70 | fTrackReferences(), |
71 | fTmpTrackReferences() | |
5d12ce38 | 72 | |
73 | { | |
d0d4a6b3 | 74 | //default constructor |
0561efeb | 75 | DecayLimits(); |
5d12ce38 | 76 | } |
77 | ||
78 | //_______________________________________________________________________ | |
79 | AliMC::AliMC(const char *name, const char *title) : | |
80 | TVirtualMCApplication(name, title), | |
81 | fGenerator(0), | |
82 | fEventEnergy(0), | |
83 | fSummEnergy(0), | |
84 | fSum2Energy(0), | |
85 | fTrRmax(1.e10), | |
86 | fTrZmax(1.e10), | |
90e48c0c | 87 | fRDecayMax(1.e10), |
38ca2ad6 | 88 | fRDecayMin(-1.), |
90e48c0c | 89 | fDecayPdg(0), |
5d12ce38 | 90 | fImedia(new TArrayI(1000)), |
91 | fTransParName("\0"), | |
5d12ce38 | 92 | fHitLists(new TList()), |
3cac0921 | 93 | fTmpTreeTR(0), |
94 | fTmpFileTR(0), | |
fd650020 | 95 | fTrackReferences("AliTrackReference", 100), |
96 | fTmpTrackReferences("AliTrackReference", 100) | |
5d12ce38 | 97 | { |
d0d4a6b3 | 98 | //constructor |
5d12ce38 | 99 | // Set transport parameters |
100 | SetTransPar(); | |
0561efeb | 101 | DecayLimits(); |
5d12ce38 | 102 | // Prepare the tracking medium lists |
103 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 104 | } |
105 | ||
5d12ce38 | 106 | //_______________________________________________________________________ |
107 | AliMC::~AliMC() | |
108 | { | |
d0d4a6b3 | 109 | //destructor |
5d12ce38 | 110 | delete fGenerator; |
111 | delete fImedia; | |
5d12ce38 | 112 | delete fHitLists; |
113 | // Delete track references | |
5d12ce38 | 114 | } |
115 | ||
5d12ce38 | 116 | //_______________________________________________________________________ |
117 | void AliMC::ConstructGeometry() | |
118 | { | |
119 | // | |
4a9de4af | 120 | // Either load geometry from file or create it through usual |
121 | // loop on detectors. In the first case the method | |
122 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
123 | // at InitGeometry(). | |
5d12ce38 | 124 | // |
125 | ||
ced249e6 | 126 | if(gAlice->IsRootGeometry()){ //load geometry either from CDB or from file |
127 | if(gAlice->IsGeomFromCDB()){ | |
128 | AliInfo("Loading geometry from CDB default storage"); | |
129 | AliCDBPath path("GRP","Geometry","Data"); | |
130 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
131 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
132 | entry->SetOwner(0); | |
133 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
134 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 135 | }else{ |
ced249e6 | 136 | // Load geometry |
137 | const char *geomfilename = gAlice->GetGeometryFileName(); | |
138 | if(gSystem->ExpandPathName(geomfilename)){ | |
139 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
140 | TGeoManager::Import(geomfilename); | |
141 | }else{ | |
142 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
143 | return; | |
144 | } | |
4a9de4af | 145 | } |
146 | }else{ | |
147 | // Create modules, materials, geometry | |
5d12ce38 | 148 | TStopwatch stw; |
149 | TIter next(gAlice->Modules()); | |
150 | AliModule *detector; | |
21bf7095 | 151 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 152 | while((detector = dynamic_cast<AliModule*>(next()))) { |
153 | stw.Start(); | |
154 | // Initialise detector materials and geometry | |
155 | detector->CreateMaterials(); | |
156 | detector->CreateGeometry(); | |
21bf7095 | 157 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
158 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 159 | } |
4a9de4af | 160 | } |
161 | ||
5d12ce38 | 162 | } |
163 | ||
39b3f8ba | 164 | //_______________________________________________________________________ |
165 | Bool_t AliMC::MisalignGeometry() | |
166 | { | |
167 | // Call misalignment code if AliSimulation object was defined. | |
0717eed2 | 168 | |
ced249e6 | 169 | if(!gAlice->IsRootGeometry()){ |
170 | //Set alignable volumes for the whole geometry | |
171 | SetAllAlignableVolumes(); | |
172 | } | |
0717eed2 | 173 | // Misalign geometry via AliSimulation instance |
3e2e3ece | 174 | if (!AliSimulation::Instance()) return kFALSE; |
392808e8 | 175 | AliGeomManager::SetGeometry(gGeoManager); |
ff5970a3 | 176 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) |
0bf7aade | 177 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
178 | ||
3e2e3ece | 179 | return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::GetRunLoader()); |
39b3f8ba | 180 | } |
181 | ||
661663fa | 182 | //_______________________________________________________________________ |
183 | void AliMC::ConstructOpGeometry() | |
184 | { | |
185 | // | |
186 | // Loop all detector modules and call DefineOpticalProperties() method | |
187 | // | |
188 | ||
189 | TIter next(gAlice->Modules()); | |
190 | AliModule *detector; | |
191 | AliInfo("Optical properties definition"); | |
192 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
193 | // Initialise detector optical properties | |
194 | detector->DefineOpticalProperties(); | |
195 | } | |
196 | } | |
197 | ||
5d12ce38 | 198 | //_______________________________________________________________________ |
199 | void AliMC::InitGeometry() | |
200 | { | |
201 | // | |
27cf3cdc | 202 | // Initialize detectors |
5d12ce38 | 203 | // |
204 | ||
4a9de4af | 205 | AliInfo("Initialisation:"); |
206 | TStopwatch stw; | |
207 | TIter next(gAlice->Modules()); | |
208 | AliModule *detector; | |
209 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
210 | stw.Start(); | |
27cf3cdc | 211 | // Initialise detector geometry |
4a9de4af | 212 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); |
213 | detector->Init(); | |
4a9de4af | 214 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
215 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
216 | } | |
4787b401 | 217 | } |
218 | ||
219 | //_______________________________________________________________________ | |
220 | void AliMC::SetAllAlignableVolumes() | |
221 | { | |
222 | // | |
223 | // Add alignable volumes (TGeoPNEntries) looping on all | |
224 | // active modules | |
225 | // | |
226 | ||
227 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
228 | AliModule *detector; | |
229 | TIter next(gAlice->Modules()); | |
230 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
231 | detector->AddAlignableVolumes(); | |
232 | } | |
5d12ce38 | 233 | } |
234 | ||
235 | //_______________________________________________________________________ | |
2057aecb | 236 | void AliMC::GeneratePrimaries() |
5d12ce38 | 237 | { |
238 | // | |
239 | // Generate primary particles and fill them in the stack. | |
240 | // | |
241 | ||
242 | Generator()->Generate(); | |
243 | } | |
244 | ||
245 | //_______________________________________________________________________ | |
246 | void AliMC::SetGenerator(AliGenerator *generator) | |
247 | { | |
248 | // | |
249 | // Load the event generator | |
250 | // | |
251 | if(!fGenerator) fGenerator = generator; | |
252 | } | |
253 | ||
254 | //_______________________________________________________________________ | |
255 | void AliMC::ResetGenerator(AliGenerator *generator) | |
256 | { | |
257 | // | |
258 | // Load the event generator | |
259 | // | |
9a213abc | 260 | if(fGenerator) { |
261 | if(generator) { | |
21bf7095 | 262 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 263 | fGenerator->GetName(),generator->GetName())); |
264 | } | |
265 | else { | |
21bf7095 | 266 | AliWarning(Form("Replacing generator %s with NULL", |
267 | fGenerator->GetName())); | |
9a213abc | 268 | } |
269 | } | |
5d12ce38 | 270 | fGenerator = generator; |
271 | } | |
272 | ||
273 | //_______________________________________________________________________ | |
274 | void AliMC::FinishRun() | |
275 | { | |
276 | // Clean generator information | |
21bf7095 | 277 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 278 | fGenerator->FinishRun(); |
279 | ||
280 | //Output energy summary tables | |
21bf7095 | 281 | AliDebug(1, "EnergySummary()"); |
282 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 283 | } |
284 | ||
285 | //_______________________________________________________________________ | |
286 | void AliMC::BeginPrimary() | |
287 | { | |
288 | // | |
289 | // Called at the beginning of each primary track | |
290 | // | |
291 | ||
292 | // Reset Hits info | |
293 | ResetHits(); | |
294 | ResetTrackReferences(); | |
5d12ce38 | 295 | } |
296 | ||
297 | //_______________________________________________________________________ | |
298 | void AliMC::PreTrack() | |
299 | { | |
d0d4a6b3 | 300 | // Actions before the track's transport |
5d12ce38 | 301 | TObjArray &dets = *gAlice->Modules(); |
302 | AliModule *module; | |
303 | ||
304 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
305 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
306 | module->PreTrack(); | |
307 | ||
5d12ce38 | 308 | } |
309 | ||
310 | //_______________________________________________________________________ | |
311 | void AliMC::Stepping() | |
312 | { | |
313 | // | |
314 | // Called at every step during transport | |
315 | // | |
38ca2ad6 | 316 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 317 | if (id < 0) return; |
318 | ||
0561efeb | 319 | |
320 | if ( gMC->IsNewTrack() && | |
321 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 322 | fRDecayMin >= 0. && |
0561efeb | 323 | fRDecayMax > fRDecayMin && |
324 | gMC->TrackPid() == fDecayPdg ) | |
325 | { | |
326 | FixParticleDecaytime(); | |
327 | } | |
328 | ||
329 | ||
330 | ||
5d12ce38 | 331 | // |
332 | // --- If lego option, do it and leave | |
3e2e3ece | 333 | if (AliSimulation::Instance()->Lego()) |
334 | AliSimulation::Instance()->Lego()->StepManager(); | |
5d12ce38 | 335 | else { |
336 | Int_t copy; | |
337 | //Update energy deposition tables | |
338 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 339 | // |
340 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 341 | |
342 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
343 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 344 | AliTrackReference::kDisappeared); |
faad98df | 345 | |
346 | ||
b60e0f5e | 347 | } |
faad98df | 348 | |
5d12ce38 | 349 | //Call the appropriate stepping routine; |
350 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
351 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 352 | det->StepManager(); |
353 | } | |
354 | } | |
355 | } | |
356 | ||
357 | //_______________________________________________________________________ | |
358 | void AliMC::EnergySummary() | |
359 | { | |
9ac3aec9 | 360 | //e |
5d12ce38 | 361 | // Print summary of deposited energy |
362 | // | |
363 | ||
364 | Int_t ndep=0; | |
365 | Float_t edtot=0; | |
366 | Float_t ed, ed2; | |
367 | Int_t kn, i, left, j, id; | |
368 | const Float_t kzero=0; | |
d3b3a3b2 | 369 | Int_t ievent=AliRunLoader::GetRunLoader()->GetHeader()->GetEvent()+1; |
5d12ce38 | 370 | // |
371 | // Energy loss information | |
372 | if(ievent) { | |
373 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
374 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
375 | ed=fSummEnergy[kn]; | |
376 | if(ed>0) { | |
377 | fEventEnergy[ndep]=kn; | |
378 | if(ievent>1) { | |
379 | ed=ed/ievent; | |
380 | ed2=fSum2Energy[kn]; | |
381 | ed2=ed2/ievent; | |
382 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
383 | } else | |
384 | ed2=99; | |
385 | fSummEnergy[ndep]=ed; | |
386 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
387 | edtot+=ed; | |
388 | ndep++; | |
389 | } | |
390 | } | |
391 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
392 | left=ndep-kn*3; | |
393 | for(i=0;i<(3<left?3:left);i++) { | |
394 | j=kn*3+i; | |
395 | id=Int_t (fEventEnergy[j]+0.1); | |
396 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
397 | } | |
398 | printf("\n"); | |
399 | } | |
400 | // | |
401 | // Relative energy loss in different detectors | |
402 | printf("******************** Relative Energy Loss per event ********************\n"); | |
403 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
404 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
405 | left=ndep-kn*5; | |
406 | for(i=0;i<(5<left?5:left);i++) { | |
407 | j=kn*5+i; | |
408 | id=Int_t (fEventEnergy[j]+0.1); | |
409 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
410 | } | |
411 | printf("\n"); | |
412 | } | |
413 | for(kn=0;kn<75;kn++) printf("*"); | |
414 | printf("\n"); | |
415 | } | |
416 | // | |
417 | // Reset the TArray's | |
418 | // fEventEnergy.Set(0); | |
419 | // fSummEnergy.Set(0); | |
420 | // fSum2Energy.Set(0); | |
421 | } | |
422 | ||
423 | //_____________________________________________________________________________ | |
424 | void AliMC::BeginEvent() | |
425 | { | |
426 | // | |
427 | // Clean-up previous event | |
428 | // Energy scores | |
21bf7095 | 429 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
430 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
431 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
432 | AliDebug(1, " BEGINNING EVENT "); | |
433 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
434 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
435 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 436 | |
d3b3a3b2 | 437 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
5d12ce38 | 438 | |
439 | /*******************************/ | |
440 | /* Clean after eventual */ | |
441 | /* previous event */ | |
442 | /*******************************/ | |
443 | ||
444 | ||
445 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
446 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
447 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 448 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 449 | |
450 | fEventEnergy.Reset(); | |
451 | // Clean detector information | |
452 | ||
453 | if (runloader->Stack()) | |
3cac0921 | 454 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 455 | else |
3cac0921 | 456 | runloader->MakeStack();//or make a new one |
504b172d | 457 | |
9ac3aec9 | 458 | |
3e2e3ece | 459 | if(AliSimulation::Instance()->Lego() == 0x0) |
3cac0921 | 460 | { |
461 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
462 | runloader->MakeTree("K"); | |
463 | } | |
464 | ||
21bf7095 | 465 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
d3b3a3b2 | 466 | gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here |
5d12ce38 | 467 | //because we don't have guarantee that |
468 | //stack pointer is not going to change from event to event | |
469 | //since it bellobgs to header and is obtained via RunLoader | |
470 | // | |
471 | // Reset all Detectors & kinematics & make/reset trees | |
472 | // | |
473 | ||
8c8fbdcd | 474 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 475 | gAlice->GetEventNrInRun()); |
5d12ce38 | 476 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
477 | ||
3e2e3ece | 478 | if(AliSimulation::Instance()->Lego()) |
3cac0921 | 479 | { |
3e2e3ece | 480 | AliSimulation::Instance()->Lego()->BeginEvent(); |
3cac0921 | 481 | return; |
482 | } | |
504b172d | 483 | |
5d12ce38 | 484 | |
21bf7095 | 485 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 486 | ResetHits(); |
504b172d | 487 | |
21bf7095 | 488 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 489 | runloader->MakeTree("H"); |
504b172d | 490 | |
5d12ce38 | 491 | |
5d12ce38 | 492 | |
3cac0921 | 493 | MakeTmpTrackRefsTree(); |
5d12ce38 | 494 | //create new branches and SetAdresses |
495 | TIter next(gAlice->Modules()); | |
496 | AliModule *detector; | |
497 | while((detector = (AliModule*)next())) | |
498 | { | |
3cac0921 | 499 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
500 | detector->MakeBranch("H"); | |
5d12ce38 | 501 | } |
502 | } | |
503 | ||
504 | //_______________________________________________________________________ | |
505 | void AliMC::ResetHits() | |
506 | { | |
507 | // | |
508 | // Reset all Detectors hits | |
509 | // | |
510 | TIter next(gAlice->Modules()); | |
511 | AliModule *detector; | |
512 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
513 | detector->ResetHits(); | |
514 | } | |
515 | } | |
516 | ||
3e2e3ece | 517 | //_______________________________________________________________________ |
518 | void AliMC::ResetDigits() | |
519 | { | |
520 | // | |
521 | // Reset all Detectors digits | |
522 | // | |
523 | TIter next(gAlice->Modules()); | |
524 | AliModule *detector; | |
525 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
526 | detector->ResetDigits(); | |
527 | } | |
528 | } | |
529 | ||
530 | //_______________________________________________________________________ | |
531 | void AliMC::ResetSDigits() | |
532 | { | |
533 | // | |
534 | // Reset all Detectors digits | |
535 | // | |
536 | TIter next(gAlice->Modules()); | |
537 | AliModule *detector; | |
538 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
539 | detector->ResetSDigits(); | |
540 | } | |
541 | } | |
542 | ||
5d12ce38 | 543 | //_______________________________________________________________________ |
544 | void AliMC::PostTrack() | |
545 | { | |
d0d4a6b3 | 546 | // Posts tracks for each module |
4a9de4af | 547 | TObjArray &dets = *gAlice->Modules(); |
548 | AliModule *module; | |
549 | ||
550 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
551 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
552 | module->PostTrack(); | |
5d12ce38 | 553 | } |
554 | ||
555 | //_______________________________________________________________________ | |
556 | void AliMC::FinishPrimary() | |
557 | { | |
558 | // | |
559 | // Called at the end of each primary track | |
560 | // | |
d3b3a3b2 | 561 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
5d12ce38 | 562 | // static Int_t count=0; |
563 | // const Int_t times=10; | |
564 | // This primary is finished, purify stack | |
c75cfb51 | 565 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 566 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 567 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 568 | } |
c75cfb51 | 569 | #endif |
77db8cbf | 570 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 571 | |
5d12ce38 | 572 | TIter next(gAlice->Modules()); |
573 | AliModule *detector; | |
574 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
575 | detector->FinishPrimary(); | |
504b172d | 576 | AliLoader* loader = detector->GetLoader(); |
577 | if(loader) | |
578 | { | |
579 | TTree* treeH = loader->TreeH(); | |
580 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
581 | } | |
5d12ce38 | 582 | } |
583 | ||
584 | // Write out track references if any | |
3cac0921 | 585 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 586 | } |
587 | ||
942a9039 | 588 | void AliMC::RemapHits() |
589 | { | |
590 | // | |
591 | // Remaps the track labels of the hits | |
d3b3a3b2 | 592 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
942a9039 | 593 | AliStack* stack = runloader->Stack(); |
594 | TList* hitLists = GetHitLists(); | |
595 | TIter next(hitLists); | |
596 | TCollection *hitList; | |
597 | ||
598 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
599 | TIter nexthit(hitList); | |
600 | AliHit *hit; | |
601 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
602 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
603 | } | |
604 | } | |
605 | ||
606 | // | |
607 | // This for detectors which have a special mapping mechanism | |
608 | // for hits, such as TPC and TRD | |
609 | // | |
ac2b85c0 | 610 | |
942a9039 | 611 | |
612 | TObjArray* modules = gAlice->Modules(); | |
613 | TIter nextmod(modules); | |
ac2b85c0 | 614 | AliModule *module; |
615 | while((module = (AliModule*) nextmod())) { | |
616 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
617 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 618 | } |
619 | // | |
620 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
621 | } | |
622 | ||
5d12ce38 | 623 | //_______________________________________________________________________ |
624 | void AliMC::FinishEvent() | |
625 | { | |
626 | // | |
627 | // Called at the end of the event. | |
628 | // | |
629 | ||
630 | // | |
38ca2ad6 | 631 | |
3e2e3ece | 632 | if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent(); |
5d12ce38 | 633 | |
634 | TIter next(gAlice->Modules()); | |
635 | AliModule *detector; | |
636 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
637 | detector->FinishEvent(); | |
638 | } | |
639 | ||
640 | //Update the energy deposit tables | |
641 | Int_t i; | |
642 | for(i=0;i<fEventEnergy.GetSize();i++) | |
643 | { | |
644 | fSummEnergy[i]+=fEventEnergy[i]; | |
645 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
646 | } | |
647 | ||
d3b3a3b2 | 648 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
5d12ce38 | 649 | |
650 | AliHeader* header = runloader->GetHeader(); | |
651 | AliStack* stack = runloader->Stack(); | |
652 | if ( (header == 0x0) || (stack == 0x0) ) | |
653 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 654 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 655 | return;//never reached |
656 | } | |
657 | // Update Header information | |
658 | header->SetNprimary(stack->GetNprimary()); | |
659 | header->SetNtrack(stack->GetNtrack()); | |
660 | ||
5d12ce38 | 661 | // Write out the kinematics |
3e2e3ece | 662 | if (!AliSimulation::Instance()->Lego()) stack->FinishEvent(); |
3cac0921 | 663 | |
664 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 665 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 666 | |
667 | // Write out the event Header information | |
668 | TTree* treeE = runloader->TreeE(); | |
669 | if (treeE) | |
670 | { | |
671 | header->SetStack(stack); | |
672 | treeE->Fill(); | |
673 | } | |
674 | else | |
675 | { | |
21bf7095 | 676 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 677 | } |
678 | ||
3e2e3ece | 679 | if(AliSimulation::Instance()->Lego() == 0x0) |
504b172d | 680 | { |
681 | runloader->WriteKinematics("OVERWRITE"); | |
682 | runloader->WriteTrackRefs("OVERWRITE"); | |
683 | runloader->WriteHits("OVERWRITE"); | |
684 | } | |
685 | ||
21bf7095 | 686 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
687 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
688 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
689 | AliDebug(1, " FINISHING EVENT "); | |
690 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
691 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
692 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 693 | } |
694 | ||
695 | //_______________________________________________________________________ | |
696 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
697 | { | |
d0d4a6b3 | 698 | // Calculates field "b" at point "x" |
5d12ce38 | 699 | gAlice->Field(x,b); |
700 | } | |
701 | ||
702 | //_______________________________________________________________________ | |
703 | void AliMC::Init() | |
704 | { | |
d0d4a6b3 | 705 | // MC initialization |
5d12ce38 | 706 | |
707 | //=================Create Materials and geometry | |
708 | gMC->Init(); | |
4e889ff4 | 709 | // Set alignable volumes for the whole geometry (with old root) |
710 | #if ROOT_VERSION_CODE < 331527 | |
711 | SetAllAlignableVolumes(); | |
712 | #endif | |
5d12ce38 | 713 | //Read the cuts for all materials |
714 | ReadTransPar(); | |
715 | //Build the special IMEDIA table | |
716 | MediaTable(); | |
717 | ||
718 | //Compute cross-sections | |
719 | gMC->BuildPhysics(); | |
720 | ||
5d12ce38 | 721 | //Initialise geometry deposition table |
722 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
723 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
724 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
725 | ||
5d12ce38 | 726 | // Register MC in configuration |
727 | AliConfig::Instance()->Add(gMC); | |
728 | ||
729 | } | |
730 | ||
731 | //_______________________________________________________________________ | |
732 | void AliMC::MediaTable() | |
733 | { | |
734 | // | |
735 | // Built media table to get from the media number to | |
736 | // the detector id | |
737 | // | |
738 | ||
739 | Int_t kz, nz, idt, lz, i, k, ind; | |
740 | // Int_t ibeg; | |
741 | TObjArray &dets = *gAlice->Detectors(); | |
742 | AliModule *det; | |
743 | Int_t ndets=gAlice->GetNdets(); | |
744 | // | |
745 | // For all detectors | |
746 | for (kz=0;kz<ndets;kz++) { | |
747 | // If detector is defined | |
748 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
749 | TArrayI &idtmed = *(det->GetIdtmed()); | |
750 | for(nz=0;nz<100;nz++) { | |
0561efeb | 751 | |
5d12ce38 | 752 | // Find max and min material number |
753 | if((idt=idtmed[nz])) { | |
754 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
755 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
756 | } | |
757 | } | |
758 | if(det->LoMedium() > det->HiMedium()) { | |
759 | det->LoMedium() = 0; | |
760 | det->HiMedium() = 0; | |
761 | } else { | |
762 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 763 | AliError(Form("Increase fImedia from %d to %d", |
764 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 765 | return; |
766 | } | |
767 | // Tag all materials in rage as belonging to detector kz | |
768 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
769 | (*fImedia)[lz]=kz; | |
770 | } | |
771 | } | |
772 | } | |
773 | } | |
774 | // | |
775 | // Print summary table | |
21bf7095 | 776 | AliInfo("Tracking media ranges:"); |
777 | ToAliInfo( | |
5d12ce38 | 778 | for(i=0;i<(ndets-1)/6+1;i++) { |
779 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
780 | ind=i*6+k; | |
781 | det=dynamic_cast<AliModule*>(dets[ind]); | |
782 | if(det) | |
783 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
784 | det->HiMedium()); | |
785 | else | |
786 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
787 | } | |
788 | printf("\n"); | |
789 | } | |
21bf7095 | 790 | ) |
5d12ce38 | 791 | } |
792 | ||
793 | //_______________________________________________________________________ | |
794 | void AliMC::ReadTransPar() | |
795 | { | |
796 | // | |
797 | // Read filename to set the transport parameters | |
798 | // | |
799 | ||
800 | ||
801 | const Int_t kncuts=10; | |
802 | const Int_t knflags=11; | |
803 | const Int_t knpars=kncuts+knflags; | |
804 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
805 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
806 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
807 | "MULS","PAIR","PHOT","RAYL"}; | |
808 | char line[256]; | |
809 | char detName[7]; | |
810 | char* filtmp; | |
811 | Float_t cut[kncuts]; | |
812 | Int_t flag[knflags]; | |
813 | Int_t i, itmed, iret, ktmed, kz; | |
814 | FILE *lun; | |
815 | // | |
816 | // See whether the file is there | |
817 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
818 | lun=fopen(filtmp,"r"); | |
819 | delete [] filtmp; | |
820 | if(!lun) { | |
21bf7095 | 821 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 822 | return; |
823 | } | |
824 | // | |
5d12ce38 | 825 | while(1) { |
826 | // Initialise cuts and flags | |
827 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
828 | for(i=0;i<knflags;i++) flag[i]=-99; | |
829 | itmed=0; | |
830 | for(i=0;i<256;i++) line[i]='\0'; | |
831 | // Read up to the end of line excluded | |
832 | iret=fscanf(lun,"%[^\n]",line); | |
833 | if(iret<0) { | |
834 | //End of file | |
835 | fclose(lun); | |
5d12ce38 | 836 | return; |
837 | } | |
838 | // Read the end of line | |
839 | fscanf(lun,"%*c"); | |
840 | if(!iret) continue; | |
841 | if(line[0]=='*') continue; | |
842 | // Read the numbers | |
843 | iret=sscanf(line,"%s %d %f %f %f %f %f %f %f %f %f %f %d %d %d %d %d %d %d %d %d %d %d", | |
844 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
845 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
846 | &flag[8],&flag[9],&flag[10]); | |
847 | if(!iret) continue; | |
848 | if(iret<0) { | |
849 | //reading error | |
21bf7095 | 850 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 851 | continue; |
852 | } | |
853 | // Check that the module exist | |
854 | AliModule *mod = gAlice->GetModule(detName); | |
855 | if(mod) { | |
856 | // Get the array of media numbers | |
857 | TArrayI &idtmed = *mod->GetIdtmed(); | |
858 | // Check that the tracking medium code is valid | |
859 | if(0<=itmed && itmed < 100) { | |
860 | ktmed=idtmed[itmed]; | |
861 | if(!ktmed) { | |
21bf7095 | 862 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 863 | continue; |
864 | } | |
865 | // Set energy thresholds | |
866 | for(kz=0;kz<kncuts;kz++) { | |
867 | if(cut[kz]>=0) { | |
21bf7095 | 868 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
869 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 870 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
871 | } | |
872 | } | |
873 | // Set transport mechanisms | |
874 | for(kz=0;kz<knflags;kz++) { | |
875 | if(flag[kz]>=0) { | |
21bf7095 | 876 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
877 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 878 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
879 | } | |
880 | } | |
881 | } else { | |
21bf7095 | 882 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 883 | continue; |
884 | } | |
885 | } else { | |
21bf7095 | 886 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 887 | continue; |
888 | } | |
889 | } | |
890 | } | |
891 | ||
892 | //_______________________________________________________________________ | |
893 | void AliMC::SetTransPar(const char *filename) | |
894 | { | |
895 | // | |
896 | // Sets the file name for transport parameters | |
897 | // | |
898 | fTransParName = filename; | |
899 | } | |
900 | ||
5d12ce38 | 901 | //_______________________________________________________________________ |
902 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
903 | { | |
904 | // | |
905 | // Add a hit to detector id | |
906 | // | |
907 | TObjArray &dets = *gAlice->Modules(); | |
908 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
909 | } | |
910 | ||
911 | //_______________________________________________________________________ | |
912 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
913 | { | |
914 | // | |
915 | // Add digit to detector id | |
916 | // | |
917 | TObjArray &dets = *gAlice->Modules(); | |
918 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
919 | } | |
920 | ||
921 | //_______________________________________________________________________ | |
922 | Int_t AliMC::GetCurrentTrackNumber() const { | |
923 | // | |
924 | // Returns current track | |
925 | // | |
d3b3a3b2 | 926 | return AliRunLoader::GetRunLoader()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 927 | } |
928 | ||
929 | //_______________________________________________________________________ | |
930 | void AliMC::DumpPart (Int_t i) const | |
931 | { | |
932 | // | |
933 | // Dumps particle i in the stack | |
934 | // | |
d3b3a3b2 | 935 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 936 | if (runloader->Stack()) |
937 | runloader->Stack()->DumpPart(i); | |
938 | } | |
939 | ||
940 | //_______________________________________________________________________ | |
941 | void AliMC::DumpPStack () const | |
942 | { | |
943 | // | |
944 | // Dumps the particle stack | |
945 | // | |
d3b3a3b2 | 946 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 947 | if (runloader->Stack()) |
948 | runloader->Stack()->DumpPStack(); | |
949 | } | |
950 | ||
951 | //_______________________________________________________________________ | |
952 | Int_t AliMC::GetNtrack() const { | |
953 | // | |
954 | // Returns number of tracks in stack | |
955 | // | |
956 | Int_t ntracks = -1; | |
d3b3a3b2 | 957 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 958 | if (runloader->Stack()) |
959 | ntracks = runloader->Stack()->GetNtrack(); | |
960 | return ntracks; | |
961 | } | |
962 | ||
963 | //_______________________________________________________________________ | |
964 | Int_t AliMC::GetPrimary(Int_t track) const | |
965 | { | |
966 | // | |
967 | // return number of primary that has generated track | |
968 | // | |
969 | Int_t nprimary = -999; | |
d3b3a3b2 | 970 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 971 | if (runloader->Stack()) |
972 | nprimary = runloader->Stack()->GetPrimary(track); | |
973 | return nprimary; | |
974 | } | |
975 | ||
976 | //_______________________________________________________________________ | |
977 | TParticle* AliMC::Particle(Int_t i) const | |
978 | { | |
d0d4a6b3 | 979 | // Returns the i-th particle from the stack taking into account |
980 | // the remaping done by PurifyKine | |
d3b3a3b2 | 981 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 982 | if (runloader) |
983 | if (runloader->Stack()) | |
984 | return runloader->Stack()->Particle(i); | |
985 | return 0x0; | |
986 | } | |
987 | ||
988 | //_______________________________________________________________________ | |
6c753956 | 989 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 990 | // |
991 | // Returns pointer to Particles array | |
992 | // | |
d3b3a3b2 | 993 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 994 | if (runloader) |
995 | if (runloader->Stack()) | |
996 | return runloader->Stack()->Particles(); | |
997 | return 0x0; | |
998 | } | |
999 | ||
1000 | //_______________________________________________________________________ | |
3e2e3ece | 1001 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom, |
1002 | const Float_t *vpos, const Float_t *polar, Float_t tof, | |
2057aecb | 1003 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1004 | { |
1005 | // Delegate to stack | |
1006 | // | |
d3b3a3b2 | 1007 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1008 | if (runloader) |
1009 | if (runloader->Stack()) | |
1010 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1011 | mech, ntr, weight, is); | |
1012 | } | |
1013 | ||
1014 | //_______________________________________________________________________ | |
1015 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1016 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1017 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1018 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1019 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1020 | { |
1021 | // Delegate to stack | |
1022 | // | |
d3b3a3b2 | 1023 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1024 | if (runloader) |
1025 | if (runloader->Stack()) | |
1026 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1027 | polx, poly, polz, mech, ntr, weight, is); | |
1028 | } | |
1029 | ||
1030 | //_______________________________________________________________________ | |
2057aecb | 1031 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1032 | { |
1033 | // | |
1034 | // Set high water mark for last track in event | |
d3b3a3b2 | 1035 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1036 | if (runloader) |
1037 | if (runloader->Stack()) | |
1038 | runloader->Stack()->SetHighWaterMark(nt); | |
1039 | } | |
1040 | ||
1041 | //_______________________________________________________________________ | |
2057aecb | 1042 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1043 | { |
1044 | // | |
1045 | // Delegate to stack | |
1046 | // | |
d3b3a3b2 | 1047 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1048 | if (runloader) |
1049 | if (runloader->Stack()) | |
1050 | runloader->Stack()->KeepTrack(track); | |
1051 | } | |
1052 | ||
1053 | //_______________________________________________________________________ | |
2057aecb | 1054 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1055 | { |
1056 | // Delegate to stack | |
1057 | // | |
d3b3a3b2 | 1058 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1059 | if (runloader) |
1060 | if (runloader->Stack()) | |
1061 | runloader->Stack()->FlagTrack(track); | |
1062 | } | |
1063 | ||
1064 | //_______________________________________________________________________ | |
2057aecb | 1065 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1066 | { |
1067 | // | |
1068 | // Set current track number | |
1069 | // | |
d3b3a3b2 | 1070 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1071 | if (runloader) |
1072 | if (runloader->Stack()) | |
1073 | runloader->Stack()->SetCurrentTrack(track); | |
1074 | } | |
1075 | ||
1076 | //_______________________________________________________________________ | |
9ac3aec9 | 1077 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1078 | { | |
5d12ce38 | 1079 | // |
1080 | // add a trackrefernce to the list | |
9ac3aec9 | 1081 | Int_t primary = GetPrimary(label); |
1082 | Particle(primary)->SetBit(kKeepBit); | |
1083 | ||
fd650020 | 1084 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1085 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1086 | } |
1087 | ||
1088 | ||
1089 | ||
1090 | //_______________________________________________________________________ | |
1091 | void AliMC::ResetTrackReferences() | |
1092 | { | |
1093 | // | |
1094 | // Reset all references | |
1095 | // | |
fd650020 | 1096 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1097 | } |
1098 | ||
1099 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1100 | { | |
1101 | // | |
1102 | // Remapping track reference | |
1103 | // Called at finish primary | |
1104 | // | |
fd650020 | 1105 | |
1106 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1107 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1108 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1109 | if (ref) { |
1110 | Int_t newID = map[ref->GetTrack()]; | |
1111 | if (newID>=0) ref->SetTrack(newID); | |
1112 | else { | |
1113 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1114 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1115 | } |
1116 | } // if ref | |
5d12ce38 | 1117 | } |
fd650020 | 1118 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1119 | } |
0561efeb | 1120 | |
1121 | void AliMC::FixParticleDecaytime() | |
1122 | { | |
1123 | // | |
1124 | // Fix the particle decay time according to rmin and rmax for decays | |
1125 | // | |
1126 | ||
1127 | TLorentzVector p; | |
1128 | gMC->TrackMomentum(p); | |
1129 | Double_t tmin, tmax; | |
1130 | Double_t b; | |
1131 | ||
1132 | // Transverse velocity | |
1133 | Double_t vt = p.Pt() / p.E(); | |
1134 | ||
1135 | if ((b = gAlice->Field()->SolenoidField()) > 0.) { // [kG] | |
1136 | ||
1137 | // Radius of helix | |
1138 | ||
1139 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1140 | ||
1141 | // Revolution frequency | |
1142 | ||
1143 | Double_t omega = vt / rho; | |
1144 | ||
1145 | // Maximum and minimum decay time | |
1146 | // | |
1147 | // Check for curlers first | |
1148 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1149 | ||
1150 | // | |
1151 | ||
1152 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1153 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1154 | } else { | |
1155 | tmax = fRDecayMax / vt; // [ct] | |
1156 | tmin = fRDecayMin / vt; // [ct] | |
1157 | } | |
1158 | ||
1159 | // | |
1160 | // Dial t using the two limits | |
1161 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1162 | // | |
1163 | // | |
1164 | // Force decay time in transport code | |
1165 | // | |
fa7ca4da | 1166 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1167 | } |
3cac0921 | 1168 | |
1169 | void AliMC::MakeTmpTrackRefsTree() | |
1170 | { | |
1171 | // Make the temporary track reference tree | |
1172 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1173 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1174 | TClonesArray* pRef = &fTmpTrackReferences; |
1175 | fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &pRef, 4000); | |
3cac0921 | 1176 | } |
1177 | ||
1178 | void AliMC::ReorderAndExpandTreeTR() | |
1179 | { | |
1180 | // | |
1181 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1182 | // | |
1183 | ||
d3b3a3b2 | 1184 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
3cac0921 | 1185 | // |
1186 | // TreeTR | |
1187 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1188 | rl->MakeTrackRefsContainer(); | |
1189 | TTree * treeTR = rl->TreeTR(); | |
1190 | if (treeTR){ | |
1191 | // make branch for central track references | |
3cac0921 | 1192 | TBranch *branch; |
fd650020 | 1193 | TClonesArray* pRef = &fTrackReferences; |
1194 | branch = treeTR->Branch("TrackReferences", &pRef); | |
1195 | branch->SetAddress(&pRef); | |
3cac0921 | 1196 | } |
1197 | ||
1198 | AliStack* stack = rl->Stack(); | |
1199 | Int_t np = stack->GetNprimary(); | |
1200 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1201 | // |
1202 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1203 | Int_t ifills = 0; |
1204 | Int_t it = 0; | |
1205 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1206 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1207 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1208 | |
5ce21fc4 | 1209 | // Skip primaries that have not been transported |
3cac0921 | 1210 | Int_t dau1 = part->GetFirstDaughter(); |
1211 | Int_t dau2 = -1; | |
f4414561 | 1212 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1213 | // |
1214 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1215 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1216 | // Determine range of secondaries produced by this primary |
3cac0921 | 1217 | if (dau1 > -1) { |
5ce21fc4 | 1218 | Int_t inext = ip - 1; |
3cac0921 | 1219 | while (dau2 < 0) { |
1220 | if (inext >= 0) { | |
1221 | part = stack->Particle(inext); | |
5ce21fc4 | 1222 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1223 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1224 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1225 | dau2 = -1; |
1226 | } else { | |
1227 | dau2--; | |
1228 | } | |
3cac0921 | 1229 | } else { |
1230 | dau2 = stack->GetNtrack() - 1; | |
1231 | } | |
1232 | inext--; | |
5ce21fc4 | 1233 | } // find upper bound |
1234 | } // dau2 < 0 | |
2c4e7c77 | 1235 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1236 | // |
1237 | // Loop over reference hits and find secondary label | |
1238 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1239 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1240 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1241 | Int_t label = tr->Label(); |
5ce21fc4 | 1242 | // Skip primaries |
1243 | if (label == ip) continue; | |
2c4e7c77 | 1244 | if (label > dau2 || label < dau1) |
1245 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1246 | if (label == id) { |
1247 | // secondary found | |
fd650020 | 1248 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1249 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1250 | } |
1251 | } // hits | |
1252 | treeTR->Fill(); | |
fd650020 | 1253 | fTrackReferences.Clear(); |
5ce21fc4 | 1254 | ifills++; |
3cac0921 | 1255 | } // daughters |
1256 | } // tracks | |
3cac0921 | 1257 | // |
1258 | // Now loop again and write the primaries | |
5ce21fc4 | 1259 | it = nt - 1; |
1260 | for (Int_t ip = 0; ip < np; ip++) { | |
1261 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1262 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1263 | if (part->TestBit(kTransportBit)) |
f4414561 | 1264 | { |
5ce21fc4 | 1265 | // Skip particles that have not been transported |
1266 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1267 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1268 | // |
1269 | // Loop over reference hits and find primary labels | |
1270 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1271 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1272 | Int_t label = tr->Label(); |
1273 | if (label == ip) { | |
fd650020 | 1274 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1275 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1276 | } |
1277 | } | |
3cac0921 | 1278 | } |
1279 | treeTR->Fill(); | |
fd650020 | 1280 | fTrackReferences.Clear(); |
5ce21fc4 | 1281 | ifills++; |
3cac0921 | 1282 | } // tracks |
5ce21fc4 | 1283 | // Check |
1284 | if (ifills != stack->GetNtrack()) | |
1285 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1286 | // |
1287 | // Clean-up | |
1288 | delete fTmpTreeTR; | |
1289 | fTmpFileTR->Close(); | |
1290 | delete fTmpFileTR; | |
fd650020 | 1291 | fTmpTrackReferences.Clear(); |
3cac0921 | 1292 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1293 | } | |
1294 |