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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 | ||
01a0f5d0 | 24 | #include <string.h> |
25 | ||
c75cfb51 | 26 | #include <RVersion.h> |
3e2e3ece | 27 | #include <TArrayI.h> |
7ca4655f | 28 | #include <TClonesArray.h> |
3e2e3ece | 29 | #include <TFile.h> |
f7a1cc68 | 30 | #include <TGeoGlobalMagField.h> |
7ca4655f | 31 | #include <TGeoManager.h> |
3e2e3ece | 32 | #include <TParticle.h> |
33 | #include <TROOT.h> | |
5d12ce38 | 34 | #include <TStopwatch.h> |
35 | #include <TSystem.h> | |
36 | #include <TVirtualMC.h> | |
c93255fe | 37 | #include <TTree.h> |
b60e0f5e | 38 | |
3e2e3ece | 39 | #include "AliCDBEntry.h" |
40 | #include "AliCDBManager.h" | |
41 | #include "AliCDBStorage.h" | |
5d12ce38 | 42 | #include "AliDetector.h" |
43 | #include "AliGenerator.h" | |
3e2e3ece | 44 | #include "AliGeomManager.h" |
5d12ce38 | 45 | #include "AliHeader.h" |
3e2e3ece | 46 | #include "AliHit.h" |
5d12ce38 | 47 | #include "AliLego.h" |
3e2e3ece | 48 | #include "AliLog.h" |
5d12ce38 | 49 | #include "AliMC.h" |
3e2e3ece | 50 | #include "AliMagF.h" |
5d12ce38 | 51 | #include "AliRun.h" |
3e2e3ece | 52 | #include "AliSimulation.h" |
5d12ce38 | 53 | #include "AliStack.h" |
54 | #include "AliTrackReference.h" | |
5d12ce38 | 55 | |
56 | ClassImp(AliMC) | |
57 | ||
58 | //_______________________________________________________________________ | |
59 | AliMC::AliMC() : | |
60 | fGenerator(0), | |
9d188d33 | 61 | fSaveRndmStatus(kFALSE), |
62 | fSaveRndmEventStatus(kFALSE), | |
63 | fReadRndmStatus(kFALSE), | |
64 | fRndmFileName("random.root"), | |
5d12ce38 | 65 | fEventEnergy(0), |
66 | fSummEnergy(0), | |
67 | fSum2Energy(0), | |
68 | fTrRmax(1.e10), | |
69 | fTrZmax(1.e10), | |
90e48c0c | 70 | fRDecayMax(1.e10), |
38ca2ad6 | 71 | fRDecayMin(-1.), |
90e48c0c | 72 | fDecayPdg(0), |
5d12ce38 | 73 | fImedia(0), |
74 | fTransParName("\0"), | |
5d12ce38 | 75 | fHitLists(0), |
3cac0921 | 76 | fTmpTreeTR(0), |
77 | fTmpFileTR(0), | |
fd650020 | 78 | fTrackReferences(), |
79 | fTmpTrackReferences() | |
5d12ce38 | 80 | |
81 | { | |
d0d4a6b3 | 82 | //default constructor |
0561efeb | 83 | DecayLimits(); |
5d12ce38 | 84 | } |
85 | ||
86 | //_______________________________________________________________________ | |
87 | AliMC::AliMC(const char *name, const char *title) : | |
88 | TVirtualMCApplication(name, title), | |
89 | fGenerator(0), | |
9d188d33 | 90 | fSaveRndmStatus(kFALSE), |
91 | fSaveRndmEventStatus(kFALSE), | |
92 | fReadRndmStatus(kFALSE), | |
93 | fRndmFileName("random.root"), | |
5d12ce38 | 94 | fEventEnergy(0), |
95 | fSummEnergy(0), | |
96 | fSum2Energy(0), | |
97 | fTrRmax(1.e10), | |
98 | fTrZmax(1.e10), | |
90e48c0c | 99 | fRDecayMax(1.e10), |
38ca2ad6 | 100 | fRDecayMin(-1.), |
90e48c0c | 101 | fDecayPdg(0), |
5d12ce38 | 102 | fImedia(new TArrayI(1000)), |
103 | fTransParName("\0"), | |
5d12ce38 | 104 | fHitLists(new TList()), |
3cac0921 | 105 | fTmpTreeTR(0), |
106 | fTmpFileTR(0), | |
fd650020 | 107 | fTrackReferences("AliTrackReference", 100), |
108 | fTmpTrackReferences("AliTrackReference", 100) | |
5d12ce38 | 109 | { |
d0d4a6b3 | 110 | //constructor |
5d12ce38 | 111 | // Set transport parameters |
112 | SetTransPar(); | |
0561efeb | 113 | DecayLimits(); |
5d12ce38 | 114 | // Prepare the tracking medium lists |
115 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 116 | } |
117 | ||
5d12ce38 | 118 | //_______________________________________________________________________ |
119 | AliMC::~AliMC() | |
120 | { | |
d0d4a6b3 | 121 | //destructor |
5d12ce38 | 122 | delete fGenerator; |
123 | delete fImedia; | |
5d12ce38 | 124 | delete fHitLists; |
125 | // Delete track references | |
5d12ce38 | 126 | } |
127 | ||
5d12ce38 | 128 | //_______________________________________________________________________ |
129 | void AliMC::ConstructGeometry() | |
130 | { | |
131 | // | |
4a9de4af | 132 | // Either load geometry from file or create it through usual |
133 | // loop on detectors. In the first case the method | |
134 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
135 | // at InitGeometry(). | |
5d12ce38 | 136 | // |
137 | ||
d97f1dbe | 138 | if(AliSimulation::Instance()->IsGeometryFromFile()){ //load geometry either from CDB or from file |
139 | if(IsGeometryFromCDB()){ | |
ced249e6 | 140 | AliInfo("Loading geometry from CDB default storage"); |
141 | AliCDBPath path("GRP","Geometry","Data"); | |
142 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
143 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
144 | entry->SetOwner(0); | |
145 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
146 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 147 | }else{ |
ced249e6 | 148 | // Load geometry |
d97f1dbe | 149 | const char *geomfilename = AliSimulation::Instance()->GetGeometryFile(); |
ced249e6 | 150 | if(gSystem->ExpandPathName(geomfilename)){ |
151 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
152 | TGeoManager::Import(geomfilename); | |
153 | }else{ | |
154 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
155 | return; | |
156 | } | |
4a9de4af | 157 | } |
f82dfc3c | 158 | gMC->SetRootGeometry(); |
4a9de4af | 159 | }else{ |
160 | // Create modules, materials, geometry | |
e8bfa5e3 | 161 | if (!gGeoManager) new TGeoManager("ALICE", "ALICE geometry"); |
5d12ce38 | 162 | TStopwatch stw; |
163 | TIter next(gAlice->Modules()); | |
164 | AliModule *detector; | |
21bf7095 | 165 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 166 | while((detector = dynamic_cast<AliModule*>(next()))) { |
167 | stw.Start(); | |
168 | // Initialise detector materials and geometry | |
169 | detector->CreateMaterials(); | |
170 | detector->CreateGeometry(); | |
21bf7095 | 171 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
172 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 173 | } |
4a9de4af | 174 | } |
175 | ||
5d12ce38 | 176 | } |
177 | ||
39b3f8ba | 178 | //_______________________________________________________________________ |
179 | Bool_t AliMC::MisalignGeometry() | |
180 | { | |
d97f1dbe | 181 | // Call misalignment code if AliSimulation object was defined. |
182 | ||
183 | if(!AliSimulation::Instance()->IsGeometryFromFile()){ | |
184 | //Set alignable volumes for the whole geometry | |
185 | SetAllAlignableVolumes(); | |
186 | } | |
187 | // Misalign geometry via AliSimulation instance | |
188 | if (!AliSimulation::Instance()) return kFALSE; | |
189 | AliGeomManager::SetGeometry(gGeoManager); | |
190 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) | |
0bf7aade | 191 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
d97f1dbe | 192 | |
193 | return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::Instance()); | |
39b3f8ba | 194 | } |
195 | ||
661663fa | 196 | //_______________________________________________________________________ |
197 | void AliMC::ConstructOpGeometry() | |
198 | { | |
199 | // | |
200 | // Loop all detector modules and call DefineOpticalProperties() method | |
201 | // | |
202 | ||
203 | TIter next(gAlice->Modules()); | |
204 | AliModule *detector; | |
205 | AliInfo("Optical properties definition"); | |
206 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
dde0a601 | 207 | // Initialise detector geometry |
d97f1dbe | 208 | if(AliSimulation::Instance()->IsGeometryFromFile()) detector->CreateMaterials(); |
661663fa | 209 | // Initialise detector optical properties |
210 | detector->DefineOpticalProperties(); | |
211 | } | |
212 | } | |
213 | ||
5d12ce38 | 214 | //_______________________________________________________________________ |
215 | void AliMC::InitGeometry() | |
216 | { | |
217 | // | |
27cf3cdc | 218 | // Initialize detectors |
5d12ce38 | 219 | // |
220 | ||
4a9de4af | 221 | AliInfo("Initialisation:"); |
222 | TStopwatch stw; | |
223 | TIter next(gAlice->Modules()); | |
224 | AliModule *detector; | |
225 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
226 | stw.Start(); | |
4a9de4af | 227 | detector->Init(); |
4a9de4af | 228 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
229 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
230 | } | |
4787b401 | 231 | } |
232 | ||
d97f1dbe | 233 | //_______________________________________________________________________ |
234 | void AliMC::SetGeometryFromCDB() | |
235 | { | |
236 | // Set the loading of geometry from cdb instead of creating it | |
237 | // A default CDB storage needs to be set before this method is called | |
238 | if(AliCDBManager::Instance()->IsDefaultStorageSet() && | |
239 | AliCDBManager::Instance()->GetRun() >= 0) | |
240 | AliSimulation::Instance()->SetGeometryFile("*OCDB*"); | |
241 | else | |
242 | AliError("Loading of geometry from CDB ignored. First set a default CDB storage!"); | |
243 | } | |
244 | ||
245 | //_______________________________________________________________________ | |
246 | Bool_t AliMC::IsGeometryFromCDB() const | |
247 | { | |
248 | return (strcmp(AliSimulation::Instance()->GetGeometryFile(),"*OCDB*")==0); | |
249 | } | |
250 | ||
4787b401 | 251 | //_______________________________________________________________________ |
252 | void AliMC::SetAllAlignableVolumes() | |
253 | { | |
254 | // | |
255 | // Add alignable volumes (TGeoPNEntries) looping on all | |
256 | // active modules | |
257 | // | |
258 | ||
259 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
260 | AliModule *detector; | |
261 | TIter next(gAlice->Modules()); | |
262 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
263 | detector->AddAlignableVolumes(); | |
264 | } | |
5d12ce38 | 265 | } |
266 | ||
267 | //_______________________________________________________________________ | |
2057aecb | 268 | void AliMC::GeneratePrimaries() |
5d12ce38 | 269 | { |
270 | // | |
271 | // Generate primary particles and fill them in the stack. | |
272 | // | |
273 | ||
274 | Generator()->Generate(); | |
275 | } | |
276 | ||
277 | //_______________________________________________________________________ | |
278 | void AliMC::SetGenerator(AliGenerator *generator) | |
279 | { | |
280 | // | |
281 | // Load the event generator | |
282 | // | |
283 | if(!fGenerator) fGenerator = generator; | |
284 | } | |
285 | ||
286 | //_______________________________________________________________________ | |
287 | void AliMC::ResetGenerator(AliGenerator *generator) | |
288 | { | |
289 | // | |
290 | // Load the event generator | |
291 | // | |
9a213abc | 292 | if(fGenerator) { |
293 | if(generator) { | |
21bf7095 | 294 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 295 | fGenerator->GetName(),generator->GetName())); |
296 | } | |
297 | else { | |
21bf7095 | 298 | AliWarning(Form("Replacing generator %s with NULL", |
299 | fGenerator->GetName())); | |
9a213abc | 300 | } |
301 | } | |
5d12ce38 | 302 | fGenerator = generator; |
303 | } | |
304 | ||
305 | //_______________________________________________________________________ | |
306 | void AliMC::FinishRun() | |
307 | { | |
308 | // Clean generator information | |
21bf7095 | 309 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 310 | fGenerator->FinishRun(); |
311 | ||
312 | //Output energy summary tables | |
21bf7095 | 313 | AliDebug(1, "EnergySummary()"); |
314 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 315 | } |
316 | ||
317 | //_______________________________________________________________________ | |
318 | void AliMC::BeginPrimary() | |
319 | { | |
320 | // | |
321 | // Called at the beginning of each primary track | |
322 | // | |
323 | ||
324 | // Reset Hits info | |
325 | ResetHits(); | |
326 | ResetTrackReferences(); | |
5d12ce38 | 327 | } |
328 | ||
329 | //_______________________________________________________________________ | |
330 | void AliMC::PreTrack() | |
331 | { | |
d0d4a6b3 | 332 | // Actions before the track's transport |
dde0a601 | 333 | |
5d12ce38 | 334 | TObjArray &dets = *gAlice->Modules(); |
335 | AliModule *module; | |
336 | ||
337 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
338 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
339 | module->PreTrack(); | |
5d12ce38 | 340 | } |
341 | ||
342 | //_______________________________________________________________________ | |
343 | void AliMC::Stepping() | |
344 | { | |
345 | // | |
346 | // Called at every step during transport | |
347 | // | |
38ca2ad6 | 348 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 349 | if (id < 0) return; |
350 | ||
0561efeb | 351 | |
352 | if ( gMC->IsNewTrack() && | |
353 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 354 | fRDecayMin >= 0. && |
0561efeb | 355 | fRDecayMax > fRDecayMin && |
356 | gMC->TrackPid() == fDecayPdg ) | |
357 | { | |
358 | FixParticleDecaytime(); | |
359 | } | |
360 | ||
361 | ||
362 | ||
5d12ce38 | 363 | // |
364 | // --- If lego option, do it and leave | |
3e2e3ece | 365 | if (AliSimulation::Instance()->Lego()) |
366 | AliSimulation::Instance()->Lego()->StepManager(); | |
5d12ce38 | 367 | else { |
368 | Int_t copy; | |
369 | //Update energy deposition tables | |
370 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 371 | // |
372 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 373 | |
374 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
375 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 376 | AliTrackReference::kDisappeared); |
faad98df | 377 | |
378 | ||
b60e0f5e | 379 | } |
faad98df | 380 | |
5d12ce38 | 381 | //Call the appropriate stepping routine; |
382 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
383 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 384 | det->StepManager(); |
385 | } | |
386 | } | |
387 | } | |
388 | ||
389 | //_______________________________________________________________________ | |
390 | void AliMC::EnergySummary() | |
391 | { | |
9ac3aec9 | 392 | //e |
5d12ce38 | 393 | // Print summary of deposited energy |
394 | // | |
395 | ||
396 | Int_t ndep=0; | |
397 | Float_t edtot=0; | |
398 | Float_t ed, ed2; | |
399 | Int_t kn, i, left, j, id; | |
400 | const Float_t kzero=0; | |
33c3c91a | 401 | Int_t ievent=AliRunLoader::Instance()->GetHeader()->GetEvent()+1; |
5d12ce38 | 402 | // |
403 | // Energy loss information | |
404 | if(ievent) { | |
405 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
406 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
407 | ed=fSummEnergy[kn]; | |
408 | if(ed>0) { | |
409 | fEventEnergy[ndep]=kn; | |
410 | if(ievent>1) { | |
411 | ed=ed/ievent; | |
412 | ed2=fSum2Energy[kn]; | |
413 | ed2=ed2/ievent; | |
414 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
415 | } else | |
416 | ed2=99; | |
417 | fSummEnergy[ndep]=ed; | |
418 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
419 | edtot+=ed; | |
420 | ndep++; | |
421 | } | |
422 | } | |
423 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
424 | left=ndep-kn*3; | |
425 | for(i=0;i<(3<left?3:left);i++) { | |
426 | j=kn*3+i; | |
427 | id=Int_t (fEventEnergy[j]+0.1); | |
428 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
429 | } | |
430 | printf("\n"); | |
431 | } | |
432 | // | |
433 | // Relative energy loss in different detectors | |
434 | printf("******************** Relative Energy Loss per event ********************\n"); | |
435 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
436 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
437 | left=ndep-kn*5; | |
438 | for(i=0;i<(5<left?5:left);i++) { | |
439 | j=kn*5+i; | |
440 | id=Int_t (fEventEnergy[j]+0.1); | |
441 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
442 | } | |
443 | printf("\n"); | |
444 | } | |
445 | for(kn=0;kn<75;kn++) printf("*"); | |
446 | printf("\n"); | |
447 | } | |
448 | // | |
449 | // Reset the TArray's | |
450 | // fEventEnergy.Set(0); | |
451 | // fSummEnergy.Set(0); | |
452 | // fSum2Energy.Set(0); | |
453 | } | |
9d188d33 | 454 | #include <TFile.h> |
5d12ce38 | 455 | //_____________________________________________________________________________ |
456 | void AliMC::BeginEvent() | |
457 | { | |
458 | // | |
459 | // Clean-up previous event | |
460 | // Energy scores | |
21bf7095 | 461 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
462 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
463 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
464 | AliDebug(1, " BEGINNING EVENT "); | |
465 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
466 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
467 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
9d188d33 | 468 | |
33c3c91a | 469 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 470 | |
471 | /*******************************/ | |
472 | /* Clean after eventual */ | |
473 | /* previous event */ | |
474 | /*******************************/ | |
475 | ||
476 | ||
477 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
478 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
479 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 480 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 481 | |
482 | fEventEnergy.Reset(); | |
483 | // Clean detector information | |
484 | ||
485 | if (runloader->Stack()) | |
3cac0921 | 486 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 487 | else |
3cac0921 | 488 | runloader->MakeStack();//or make a new one |
504b172d | 489 | |
9d188d33 | 490 | // Random engine status |
491 | // | |
9ac3aec9 | 492 | |
9d188d33 | 493 | if ( fSaveRndmStatus || fSaveRndmEventStatus) { |
494 | TString fileName="random"; | |
495 | if ( fSaveRndmEventStatus ) { | |
496 | fileName += "Evt"; | |
497 | fileName += gAlice->GetEventNrInRun(); | |
498 | } | |
499 | fileName += ".root"; | |
500 | ||
501 | // write ROOT random engine status | |
502 | cout << "Saving random engine status in " << fileName.Data() << endl; | |
503 | TFile f(fileName.Data(),"RECREATE"); | |
504 | gRandom->Write(fileName.Data()); | |
505 | } | |
506 | ||
507 | if ( fReadRndmStatus ) { | |
508 | //read ROOT random engine status | |
509 | cout << "Reading random engine status from " << fRndmFileName.Data() << endl; | |
510 | TFile f(fRndmFileName.Data()); | |
511 | gRandom->Read(fRndmFileName.Data()); | |
512 | } | |
513 | ||
3e2e3ece | 514 | if(AliSimulation::Instance()->Lego() == 0x0) |
3cac0921 | 515 | { |
516 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
517 | runloader->MakeTree("K"); | |
518 | } | |
519 | ||
21bf7095 | 520 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
d3b3a3b2 | 521 | gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here |
5d12ce38 | 522 | //because we don't have guarantee that |
523 | //stack pointer is not going to change from event to event | |
524 | //since it bellobgs to header and is obtained via RunLoader | |
525 | // | |
526 | // Reset all Detectors & kinematics & make/reset trees | |
527 | // | |
528 | ||
8c8fbdcd | 529 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 530 | gAlice->GetEventNrInRun()); |
5d12ce38 | 531 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
532 | ||
3e2e3ece | 533 | if(AliSimulation::Instance()->Lego()) |
3cac0921 | 534 | { |
3e2e3ece | 535 | AliSimulation::Instance()->Lego()->BeginEvent(); |
3cac0921 | 536 | return; |
537 | } | |
504b172d | 538 | |
5d12ce38 | 539 | |
21bf7095 | 540 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 541 | ResetHits(); |
504b172d | 542 | |
21bf7095 | 543 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 544 | runloader->MakeTree("H"); |
504b172d | 545 | |
5d12ce38 | 546 | |
5d12ce38 | 547 | |
3cac0921 | 548 | MakeTmpTrackRefsTree(); |
5d12ce38 | 549 | //create new branches and SetAdresses |
550 | TIter next(gAlice->Modules()); | |
551 | AliModule *detector; | |
552 | while((detector = (AliModule*)next())) | |
553 | { | |
3cac0921 | 554 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
555 | detector->MakeBranch("H"); | |
5d12ce38 | 556 | } |
557 | } | |
558 | ||
559 | //_______________________________________________________________________ | |
560 | void AliMC::ResetHits() | |
561 | { | |
562 | // | |
563 | // Reset all Detectors hits | |
564 | // | |
565 | TIter next(gAlice->Modules()); | |
566 | AliModule *detector; | |
567 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
568 | detector->ResetHits(); | |
569 | } | |
570 | } | |
571 | ||
3e2e3ece | 572 | //_______________________________________________________________________ |
573 | void AliMC::ResetDigits() | |
574 | { | |
575 | // | |
576 | // Reset all Detectors digits | |
577 | // | |
578 | TIter next(gAlice->Modules()); | |
579 | AliModule *detector; | |
580 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
581 | detector->ResetDigits(); | |
582 | } | |
583 | } | |
584 | ||
585 | //_______________________________________________________________________ | |
586 | void AliMC::ResetSDigits() | |
587 | { | |
588 | // | |
589 | // Reset all Detectors digits | |
590 | // | |
591 | TIter next(gAlice->Modules()); | |
592 | AliModule *detector; | |
593 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
594 | detector->ResetSDigits(); | |
595 | } | |
596 | } | |
597 | ||
5d12ce38 | 598 | //_______________________________________________________________________ |
599 | void AliMC::PostTrack() | |
600 | { | |
d0d4a6b3 | 601 | // Posts tracks for each module |
dde0a601 | 602 | |
4a9de4af | 603 | TObjArray &dets = *gAlice->Modules(); |
604 | AliModule *module; | |
605 | ||
606 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
607 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
608 | module->PostTrack(); | |
5d12ce38 | 609 | } |
610 | ||
611 | //_______________________________________________________________________ | |
612 | void AliMC::FinishPrimary() | |
613 | { | |
614 | // | |
615 | // Called at the end of each primary track | |
616 | // | |
dde0a601 | 617 | |
33c3c91a | 618 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 619 | // static Int_t count=0; |
620 | // const Int_t times=10; | |
621 | // This primary is finished, purify stack | |
c75cfb51 | 622 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 623 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 624 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 625 | } |
c75cfb51 | 626 | #endif |
77db8cbf | 627 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 628 | |
5d12ce38 | 629 | TIter next(gAlice->Modules()); |
630 | AliModule *detector; | |
631 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
632 | detector->FinishPrimary(); | |
504b172d | 633 | AliLoader* loader = detector->GetLoader(); |
634 | if(loader) | |
635 | { | |
636 | TTree* treeH = loader->TreeH(); | |
637 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
638 | } | |
5d12ce38 | 639 | } |
640 | ||
641 | // Write out track references if any | |
3cac0921 | 642 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 643 | } |
644 | ||
942a9039 | 645 | void AliMC::RemapHits() |
646 | { | |
647 | // | |
648 | // Remaps the track labels of the hits | |
33c3c91a | 649 | AliRunLoader *runloader=AliRunLoader::Instance(); |
942a9039 | 650 | AliStack* stack = runloader->Stack(); |
651 | TList* hitLists = GetHitLists(); | |
652 | TIter next(hitLists); | |
653 | TCollection *hitList; | |
654 | ||
655 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
656 | TIter nexthit(hitList); | |
657 | AliHit *hit; | |
658 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
659 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
660 | } | |
661 | } | |
662 | ||
663 | // | |
664 | // This for detectors which have a special mapping mechanism | |
665 | // for hits, such as TPC and TRD | |
666 | // | |
ac2b85c0 | 667 | |
942a9039 | 668 | |
669 | TObjArray* modules = gAlice->Modules(); | |
670 | TIter nextmod(modules); | |
ac2b85c0 | 671 | AliModule *module; |
672 | while((module = (AliModule*) nextmod())) { | |
673 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
674 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 675 | } |
676 | // | |
677 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
678 | } | |
679 | ||
5d12ce38 | 680 | //_______________________________________________________________________ |
681 | void AliMC::FinishEvent() | |
682 | { | |
683 | // | |
684 | // Called at the end of the event. | |
685 | // | |
38ca2ad6 | 686 | |
3e2e3ece | 687 | if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent(); |
5d12ce38 | 688 | |
689 | TIter next(gAlice->Modules()); | |
690 | AliModule *detector; | |
691 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
692 | detector->FinishEvent(); | |
693 | } | |
694 | ||
695 | //Update the energy deposit tables | |
696 | Int_t i; | |
697 | for(i=0;i<fEventEnergy.GetSize();i++) | |
698 | { | |
699 | fSummEnergy[i]+=fEventEnergy[i]; | |
700 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
701 | } | |
702 | ||
33c3c91a | 703 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 704 | |
705 | AliHeader* header = runloader->GetHeader(); | |
706 | AliStack* stack = runloader->Stack(); | |
707 | if ( (header == 0x0) || (stack == 0x0) ) | |
708 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 709 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 710 | return;//never reached |
711 | } | |
712 | // Update Header information | |
713 | header->SetNprimary(stack->GetNprimary()); | |
714 | header->SetNtrack(stack->GetNtrack()); | |
475baf89 | 715 | header->SetTimeStamp(AliSimulation::Instance()->GenerateTimeStamp()); |
5d12ce38 | 716 | |
5d12ce38 | 717 | // Write out the kinematics |
3e2e3ece | 718 | if (!AliSimulation::Instance()->Lego()) stack->FinishEvent(); |
3cac0921 | 719 | |
720 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 721 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 722 | |
723 | // Write out the event Header information | |
724 | TTree* treeE = runloader->TreeE(); | |
725 | if (treeE) | |
726 | { | |
727 | header->SetStack(stack); | |
728 | treeE->Fill(); | |
729 | } | |
730 | else | |
731 | { | |
21bf7095 | 732 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 733 | } |
734 | ||
3e2e3ece | 735 | if(AliSimulation::Instance()->Lego() == 0x0) |
504b172d | 736 | { |
737 | runloader->WriteKinematics("OVERWRITE"); | |
738 | runloader->WriteTrackRefs("OVERWRITE"); | |
739 | runloader->WriteHits("OVERWRITE"); | |
740 | } | |
741 | ||
21bf7095 | 742 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
743 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
744 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
745 | AliDebug(1, " FINISHING EVENT "); | |
746 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
747 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
748 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 749 | } |
750 | ||
5d12ce38 | 751 | //_______________________________________________________________________ |
752 | void AliMC::Init() | |
753 | { | |
d0d4a6b3 | 754 | // MC initialization |
5d12ce38 | 755 | |
9d188d33 | 756 | |
5d12ce38 | 757 | //=================Create Materials and geometry |
758 | gMC->Init(); | |
4e889ff4 | 759 | // Set alignable volumes for the whole geometry (with old root) |
760 | #if ROOT_VERSION_CODE < 331527 | |
761 | SetAllAlignableVolumes(); | |
762 | #endif | |
5d12ce38 | 763 | //Read the cuts for all materials |
764 | ReadTransPar(); | |
765 | //Build the special IMEDIA table | |
766 | MediaTable(); | |
767 | ||
768 | //Compute cross-sections | |
769 | gMC->BuildPhysics(); | |
770 | ||
5d12ce38 | 771 | //Initialise geometry deposition table |
772 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
773 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
774 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
775 | ||
5d12ce38 | 776 | // Register MC in configuration |
777 | AliConfig::Instance()->Add(gMC); | |
5d12ce38 | 778 | } |
779 | ||
780 | //_______________________________________________________________________ | |
781 | void AliMC::MediaTable() | |
782 | { | |
783 | // | |
784 | // Built media table to get from the media number to | |
785 | // the detector id | |
786 | // | |
787 | ||
788 | Int_t kz, nz, idt, lz, i, k, ind; | |
789 | // Int_t ibeg; | |
790 | TObjArray &dets = *gAlice->Detectors(); | |
791 | AliModule *det; | |
792 | Int_t ndets=gAlice->GetNdets(); | |
793 | // | |
794 | // For all detectors | |
795 | for (kz=0;kz<ndets;kz++) { | |
796 | // If detector is defined | |
797 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
798 | TArrayI &idtmed = *(det->GetIdtmed()); | |
799 | for(nz=0;nz<100;nz++) { | |
0561efeb | 800 | |
5d12ce38 | 801 | // Find max and min material number |
802 | if((idt=idtmed[nz])) { | |
803 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
804 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
805 | } | |
806 | } | |
807 | if(det->LoMedium() > det->HiMedium()) { | |
808 | det->LoMedium() = 0; | |
809 | det->HiMedium() = 0; | |
810 | } else { | |
811 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 812 | AliError(Form("Increase fImedia from %d to %d", |
813 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 814 | return; |
815 | } | |
816 | // Tag all materials in rage as belonging to detector kz | |
817 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
818 | (*fImedia)[lz]=kz; | |
819 | } | |
820 | } | |
821 | } | |
822 | } | |
823 | // | |
824 | // Print summary table | |
21bf7095 | 825 | AliInfo("Tracking media ranges:"); |
826 | ToAliInfo( | |
5d12ce38 | 827 | for(i=0;i<(ndets-1)/6+1;i++) { |
828 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
829 | ind=i*6+k; | |
830 | det=dynamic_cast<AliModule*>(dets[ind]); | |
831 | if(det) | |
832 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
833 | det->HiMedium()); | |
834 | else | |
835 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
836 | } | |
837 | printf("\n"); | |
838 | } | |
13242232 | 839 | ); |
5d12ce38 | 840 | } |
841 | ||
842 | //_______________________________________________________________________ | |
843 | void AliMC::ReadTransPar() | |
844 | { | |
845 | // | |
846 | // Read filename to set the transport parameters | |
847 | // | |
848 | ||
849 | ||
850 | const Int_t kncuts=10; | |
61721f6c | 851 | const Int_t knflags=12; |
5d12ce38 | 852 | const Int_t knpars=kncuts+knflags; |
853 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
854 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
855 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
61721f6c | 856 | "MULS","PAIR","PHOT","RAYL","STRA"}; |
5d12ce38 | 857 | char line[256]; |
858 | char detName[7]; | |
859 | char* filtmp; | |
860 | Float_t cut[kncuts]; | |
861 | Int_t flag[knflags]; | |
862 | Int_t i, itmed, iret, ktmed, kz; | |
863 | FILE *lun; | |
864 | // | |
865 | // See whether the file is there | |
866 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
867 | lun=fopen(filtmp,"r"); | |
868 | delete [] filtmp; | |
869 | if(!lun) { | |
21bf7095 | 870 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 871 | return; |
872 | } | |
873 | // | |
5d12ce38 | 874 | while(1) { |
875 | // Initialise cuts and flags | |
876 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
877 | for(i=0;i<knflags;i++) flag[i]=-99; | |
878 | itmed=0; | |
01a0f5d0 | 879 | memset(line,0,256); |
5d12ce38 | 880 | // Read up to the end of line excluded |
01a0f5d0 | 881 | iret=fscanf(lun,"%255[^\n]",line); |
5d12ce38 | 882 | if(iret<0) { |
883 | //End of file | |
884 | fclose(lun); | |
5d12ce38 | 885 | return; |
886 | } | |
887 | // Read the end of line | |
78ba076f | 888 | fscanf(lun,"%*c"); |
5d12ce38 | 889 | if(!iret) continue; |
890 | if(line[0]=='*') continue; | |
891 | // Read the numbers | |
e6585570 | 892 | iret=sscanf(line,"%6s %d %f %f %f %f %f %f %f %f %f %f %d %d %d %d %d %d %d %d %d %d %d %d", |
5d12ce38 | 893 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], |
894 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
61721f6c | 895 | &flag[8],&flag[9],&flag[10],&flag[11]); |
5d12ce38 | 896 | if(!iret) continue; |
897 | if(iret<0) { | |
898 | //reading error | |
21bf7095 | 899 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 900 | continue; |
901 | } | |
902 | // Check that the module exist | |
903 | AliModule *mod = gAlice->GetModule(detName); | |
904 | if(mod) { | |
905 | // Get the array of media numbers | |
906 | TArrayI &idtmed = *mod->GetIdtmed(); | |
907 | // Check that the tracking medium code is valid | |
908 | if(0<=itmed && itmed < 100) { | |
909 | ktmed=idtmed[itmed]; | |
910 | if(!ktmed) { | |
21bf7095 | 911 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 912 | continue; |
913 | } | |
914 | // Set energy thresholds | |
915 | for(kz=0;kz<kncuts;kz++) { | |
916 | if(cut[kz]>=0) { | |
21bf7095 | 917 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
918 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 919 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
920 | } | |
921 | } | |
922 | // Set transport mechanisms | |
923 | for(kz=0;kz<knflags;kz++) { | |
924 | if(flag[kz]>=0) { | |
21bf7095 | 925 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
926 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 927 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
928 | } | |
929 | } | |
930 | } else { | |
21bf7095 | 931 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 932 | continue; |
933 | } | |
934 | } else { | |
21bf7095 | 935 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 936 | continue; |
937 | } | |
938 | } | |
939 | } | |
940 | ||
941 | //_______________________________________________________________________ | |
942 | void AliMC::SetTransPar(const char *filename) | |
943 | { | |
944 | // | |
945 | // Sets the file name for transport parameters | |
946 | // | |
947 | fTransParName = filename; | |
948 | } | |
949 | ||
5d12ce38 | 950 | //_______________________________________________________________________ |
951 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
952 | { | |
953 | // | |
954 | // Add a hit to detector id | |
955 | // | |
956 | TObjArray &dets = *gAlice->Modules(); | |
1c9a8216 | 957 | if(dets[id]) static_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); |
5d12ce38 | 958 | } |
959 | ||
960 | //_______________________________________________________________________ | |
961 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
962 | { | |
963 | // | |
964 | // Add digit to detector id | |
965 | // | |
966 | TObjArray &dets = *gAlice->Modules(); | |
1c9a8216 | 967 | if(dets[id]) static_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); |
5d12ce38 | 968 | } |
969 | ||
970 | //_______________________________________________________________________ | |
971 | Int_t AliMC::GetCurrentTrackNumber() const { | |
972 | // | |
973 | // Returns current track | |
974 | // | |
33c3c91a | 975 | return AliRunLoader::Instance()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 976 | } |
977 | ||
978 | //_______________________________________________________________________ | |
979 | void AliMC::DumpPart (Int_t i) const | |
980 | { | |
981 | // | |
982 | // Dumps particle i in the stack | |
983 | // | |
33c3c91a | 984 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 985 | if (runloader->Stack()) |
986 | runloader->Stack()->DumpPart(i); | |
987 | } | |
988 | ||
989 | //_______________________________________________________________________ | |
990 | void AliMC::DumpPStack () const | |
991 | { | |
992 | // | |
993 | // Dumps the particle stack | |
994 | // | |
33c3c91a | 995 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 996 | if (runloader->Stack()) |
997 | runloader->Stack()->DumpPStack(); | |
998 | } | |
999 | ||
1000 | //_______________________________________________________________________ | |
1001 | Int_t AliMC::GetNtrack() const { | |
1002 | // | |
1003 | // Returns number of tracks in stack | |
1004 | // | |
1005 | Int_t ntracks = -1; | |
33c3c91a | 1006 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1007 | if (runloader->Stack()) |
1008 | ntracks = runloader->Stack()->GetNtrack(); | |
1009 | return ntracks; | |
1010 | } | |
1011 | ||
1012 | //_______________________________________________________________________ | |
1013 | Int_t AliMC::GetPrimary(Int_t track) const | |
1014 | { | |
1015 | // | |
1016 | // return number of primary that has generated track | |
1017 | // | |
1018 | Int_t nprimary = -999; | |
33c3c91a | 1019 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1020 | if (runloader->Stack()) |
1021 | nprimary = runloader->Stack()->GetPrimary(track); | |
1022 | return nprimary; | |
1023 | } | |
1024 | ||
1025 | //_______________________________________________________________________ | |
1026 | TParticle* AliMC::Particle(Int_t i) const | |
1027 | { | |
d0d4a6b3 | 1028 | // Returns the i-th particle from the stack taking into account |
1029 | // the remaping done by PurifyKine | |
33c3c91a | 1030 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1031 | if (runloader) |
1032 | if (runloader->Stack()) | |
1033 | return runloader->Stack()->Particle(i); | |
1034 | return 0x0; | |
1035 | } | |
1036 | ||
1037 | //_______________________________________________________________________ | |
6c753956 | 1038 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 1039 | // |
1040 | // Returns pointer to Particles array | |
1041 | // | |
33c3c91a | 1042 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1043 | if (runloader) |
1044 | if (runloader->Stack()) | |
1045 | return runloader->Stack()->Particles(); | |
1046 | return 0x0; | |
1047 | } | |
1048 | ||
1049 | //_______________________________________________________________________ | |
3e2e3ece | 1050 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom, |
1051 | const Float_t *vpos, const Float_t *polar, Float_t tof, | |
2057aecb | 1052 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1053 | { |
1054 | // Delegate to stack | |
1055 | // | |
33c3c91a | 1056 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1057 | if (runloader) |
1058 | if (runloader->Stack()) | |
1059 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1060 | mech, ntr, weight, is); | |
1061 | } | |
1062 | ||
1063 | //_______________________________________________________________________ | |
1064 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1065 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1066 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1067 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1068 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1069 | { |
1070 | // Delegate to stack | |
1071 | // | |
33c3c91a | 1072 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1073 | if (runloader) |
1074 | if (runloader->Stack()) | |
1075 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1076 | polx, poly, polz, mech, ntr, weight, is); | |
1077 | } | |
1078 | ||
1079 | //_______________________________________________________________________ | |
2057aecb | 1080 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1081 | { |
1082 | // | |
1083 | // Set high water mark for last track in event | |
33c3c91a | 1084 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1085 | if (runloader) |
1086 | if (runloader->Stack()) | |
1087 | runloader->Stack()->SetHighWaterMark(nt); | |
1088 | } | |
1089 | ||
1090 | //_______________________________________________________________________ | |
2057aecb | 1091 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1092 | { |
1093 | // | |
1094 | // Delegate to stack | |
1095 | // | |
33c3c91a | 1096 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1097 | if (runloader) |
1098 | if (runloader->Stack()) | |
1099 | runloader->Stack()->KeepTrack(track); | |
1100 | } | |
1101 | ||
1102 | //_______________________________________________________________________ | |
2057aecb | 1103 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1104 | { |
1105 | // Delegate to stack | |
1106 | // | |
33c3c91a | 1107 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1108 | if (runloader) |
1109 | if (runloader->Stack()) | |
1110 | runloader->Stack()->FlagTrack(track); | |
1111 | } | |
1112 | ||
1113 | //_______________________________________________________________________ | |
2057aecb | 1114 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1115 | { |
1116 | // | |
1117 | // Set current track number | |
1118 | // | |
33c3c91a | 1119 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1120 | if (runloader) |
1121 | if (runloader->Stack()) | |
1122 | runloader->Stack()->SetCurrentTrack(track); | |
1123 | } | |
1124 | ||
1125 | //_______________________________________________________________________ | |
9ac3aec9 | 1126 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1127 | { | |
5d12ce38 | 1128 | // |
1129 | // add a trackrefernce to the list | |
9ac3aec9 | 1130 | Int_t primary = GetPrimary(label); |
1131 | Particle(primary)->SetBit(kKeepBit); | |
1132 | ||
fd650020 | 1133 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1134 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1135 | } |
1136 | ||
1137 | ||
1138 | ||
1139 | //_______________________________________________________________________ | |
1140 | void AliMC::ResetTrackReferences() | |
1141 | { | |
1142 | // | |
1143 | // Reset all references | |
1144 | // | |
fd650020 | 1145 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1146 | } |
1147 | ||
dde0a601 | 1148 | //_______________________________________________________________________ |
6da30991 | 1149 | void AliMC::RemapTrackReferencesIDs(const Int_t *map) |
5d12ce38 | 1150 | { |
1151 | // | |
1152 | // Remapping track reference | |
1153 | // Called at finish primary | |
1154 | // | |
fd650020 | 1155 | |
1156 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1157 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1158 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1159 | if (ref) { |
1160 | Int_t newID = map[ref->GetTrack()]; | |
1161 | if (newID>=0) ref->SetTrack(newID); | |
1162 | else { | |
1163 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1164 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1165 | } |
1166 | } // if ref | |
5d12ce38 | 1167 | } |
fd650020 | 1168 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1169 | } |
0561efeb | 1170 | |
dde0a601 | 1171 | //_______________________________________________________________________ |
0561efeb | 1172 | void AliMC::FixParticleDecaytime() |
1173 | { | |
1174 | // | |
1175 | // Fix the particle decay time according to rmin and rmax for decays | |
1176 | // | |
1177 | ||
1178 | TLorentzVector p; | |
1179 | gMC->TrackMomentum(p); | |
1180 | Double_t tmin, tmax; | |
1181 | Double_t b; | |
1182 | ||
1183 | // Transverse velocity | |
1184 | Double_t vt = p.Pt() / p.E(); | |
1185 | ||
f7a1cc68 | 1186 | if ((b = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField()) > 0.) { // [kG] |
0561efeb | 1187 | |
1188 | // Radius of helix | |
1189 | ||
1190 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1191 | ||
1192 | // Revolution frequency | |
1193 | ||
1194 | Double_t omega = vt / rho; | |
1195 | ||
1196 | // Maximum and minimum decay time | |
1197 | // | |
1198 | // Check for curlers first | |
bfd20868 | 1199 | const Double_t kOvRhoSqr2 = 1./(rho*TMath::Sqrt(2.)); |
1200 | if (fRDecayMax * kOvRhoSqr2 > 1.) return; | |
0561efeb | 1201 | |
1202 | // | |
1203 | ||
bfd20868 | 1204 | tmax = TMath::ACos((1.-fRDecayMax*kOvRhoSqr2)*(1.+fRDecayMax*kOvRhoSqr2)) / omega; // [ct] |
ec29d701 | 1205 | tmin = TMath::ACos((1.-fRDecayMin*kOvRhoSqr2)*(1.+fRDecayMin*kOvRhoSqr2)) / omega; // [ct] |
0561efeb | 1206 | } else { |
1207 | tmax = fRDecayMax / vt; // [ct] | |
1208 | tmin = fRDecayMin / vt; // [ct] | |
1209 | } | |
1210 | ||
1211 | // | |
1212 | // Dial t using the two limits | |
1213 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1214 | // | |
1215 | // | |
1216 | // Force decay time in transport code | |
1217 | // | |
fa7ca4da | 1218 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1219 | } |
3cac0921 | 1220 | |
1221 | void AliMC::MakeTmpTrackRefsTree() | |
1222 | { | |
1223 | // Make the temporary track reference tree | |
1224 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1225 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1226 | TClonesArray* pRef = &fTmpTrackReferences; |
fda9d714 | 1227 | fTmpTreeTR->Branch("TrackReferences", &pRef, 4000); |
3cac0921 | 1228 | } |
1229 | ||
dde0a601 | 1230 | //_______________________________________________________________________ |
3cac0921 | 1231 | void AliMC::ReorderAndExpandTreeTR() |
1232 | { | |
1233 | // | |
1234 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1235 | // | |
1236 | ||
33c3c91a | 1237 | AliRunLoader *rl = AliRunLoader::Instance(); |
3cac0921 | 1238 | // |
1239 | // TreeTR | |
1240 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1241 | rl->MakeTrackRefsContainer(); | |
1242 | TTree * treeTR = rl->TreeTR(); | |
3cac0921 | 1243 | // make branch for central track references |
fd650020 | 1244 | TClonesArray* pRef = &fTrackReferences; |
7275b148 | 1245 | treeTR->Branch("TrackReferences", &pRef); |
3cac0921 | 1246 | |
1247 | AliStack* stack = rl->Stack(); | |
1248 | Int_t np = stack->GetNprimary(); | |
1249 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1250 | // |
1251 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1252 | Int_t ifills = 0; |
1253 | Int_t it = 0; | |
1254 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1255 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1256 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1257 | |
5ce21fc4 | 1258 | // Skip primaries that have not been transported |
3cac0921 | 1259 | Int_t dau1 = part->GetFirstDaughter(); |
1260 | Int_t dau2 = -1; | |
f4414561 | 1261 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1262 | // |
1263 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1264 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1265 | // Determine range of secondaries produced by this primary |
3cac0921 | 1266 | if (dau1 > -1) { |
5ce21fc4 | 1267 | Int_t inext = ip - 1; |
3cac0921 | 1268 | while (dau2 < 0) { |
1269 | if (inext >= 0) { | |
1270 | part = stack->Particle(inext); | |
5ce21fc4 | 1271 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1272 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1273 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1274 | dau2 = -1; |
1275 | } else { | |
1276 | dau2--; | |
1277 | } | |
3cac0921 | 1278 | } else { |
1279 | dau2 = stack->GetNtrack() - 1; | |
1280 | } | |
1281 | inext--; | |
5ce21fc4 | 1282 | } // find upper bound |
1283 | } // dau2 < 0 | |
2c4e7c77 | 1284 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1285 | // |
1286 | // Loop over reference hits and find secondary label | |
1287 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1288 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1289 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1290 | Int_t label = tr->Label(); |
5ce21fc4 | 1291 | // Skip primaries |
1292 | if (label == ip) continue; | |
2c4e7c77 | 1293 | if (label > dau2 || label < dau1) |
1294 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1295 | if (label == id) { |
1296 | // secondary found | |
fd650020 | 1297 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1298 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1299 | } |
1300 | } // hits | |
1301 | treeTR->Fill(); | |
fd650020 | 1302 | fTrackReferences.Clear(); |
5ce21fc4 | 1303 | ifills++; |
3cac0921 | 1304 | } // daughters |
1305 | } // tracks | |
3cac0921 | 1306 | // |
1307 | // Now loop again and write the primaries | |
5ce21fc4 | 1308 | it = nt - 1; |
1309 | for (Int_t ip = 0; ip < np; ip++) { | |
1310 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1311 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1312 | if (part->TestBit(kTransportBit)) |
f4414561 | 1313 | { |
5ce21fc4 | 1314 | // Skip particles that have not been transported |
1315 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1316 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1317 | // |
1318 | // Loop over reference hits and find primary labels | |
1319 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1320 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1321 | Int_t label = tr->Label(); |
1322 | if (label == ip) { | |
fd650020 | 1323 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1324 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1325 | } |
1326 | } | |
3cac0921 | 1327 | } |
1328 | treeTR->Fill(); | |
fd650020 | 1329 | fTrackReferences.Clear(); |
5ce21fc4 | 1330 | ifills++; |
3cac0921 | 1331 | } // tracks |
5ce21fc4 | 1332 | // Check |
1333 | if (ifills != stack->GetNtrack()) | |
1334 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1335 | // |
1336 | // Clean-up | |
1337 | delete fTmpTreeTR; | |
1338 | fTmpFileTR->Close(); | |
1339 | delete fTmpFileTR; | |
fd650020 | 1340 | fTmpTrackReferences.Clear(); |
3cac0921 | 1341 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1342 | } | |
1343 |