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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> |
5d12ce38 | 25 | #include <TBrowser.h> |
7ca4655f | 26 | #include <TClonesArray.h> |
27 | #include <TGeoManager.h> | |
5d12ce38 | 28 | #include <TStopwatch.h> |
29 | #include <TSystem.h> | |
30 | #include <TVirtualMC.h> | |
9ac3aec9 | 31 | #include <TParticle.h> |
ced249e6 | 32 | #include <TROOT.h> |
3cac0921 | 33 | #include <TFile.h> |
b60e0f5e | 34 | |
21bf7095 | 35 | #include "AliLog.h" |
5d12ce38 | 36 | #include "AliDetector.h" |
37 | #include "AliGenerator.h" | |
38 | #include "AliHeader.h" | |
39 | #include "AliLego.h" | |
40 | #include "AliMC.h" | |
41 | #include "AliMCQA.h" | |
42 | #include "AliRun.h" | |
942a9039 | 43 | #include "AliHit.h" |
5d12ce38 | 44 | #include "AliStack.h" |
0561efeb | 45 | #include "AliMagF.h" |
5d12ce38 | 46 | #include "AliTrackReference.h" |
39b3f8ba | 47 | #include "AliSimulation.h" |
392808e8 | 48 | #include "AliGeomManager.h" |
ced249e6 | 49 | #include "AliCDBManager.h" |
50 | #include "AliCDBStorage.h" | |
51 | #include "AliCDBEntry.h" | |
5d12ce38 | 52 | |
53 | ||
54 | ClassImp(AliMC) | |
55 | ||
56 | //_______________________________________________________________________ | |
57 | AliMC::AliMC() : | |
58 | fGenerator(0), | |
59 | fEventEnergy(0), | |
60 | fSummEnergy(0), | |
61 | fSum2Energy(0), | |
62 | fTrRmax(1.e10), | |
63 | fTrZmax(1.e10), | |
90e48c0c | 64 | fRDecayMax(1.e10), |
38ca2ad6 | 65 | fRDecayMin(-1.), |
90e48c0c | 66 | fDecayPdg(0), |
5d12ce38 | 67 | fImedia(0), |
68 | fTransParName("\0"), | |
69 | fMCQA(0), | |
70 | fHitLists(0), | |
3cac0921 | 71 | fTmpTreeTR(0), |
72 | fTmpFileTR(0), | |
fd650020 | 73 | fTrackReferences(), |
74 | fTmpTrackReferences() | |
5d12ce38 | 75 | |
76 | { | |
d0d4a6b3 | 77 | //default constructor |
0561efeb | 78 | DecayLimits(); |
5d12ce38 | 79 | } |
80 | ||
81 | //_______________________________________________________________________ | |
82 | AliMC::AliMC(const char *name, const char *title) : | |
83 | TVirtualMCApplication(name, title), | |
84 | fGenerator(0), | |
85 | fEventEnergy(0), | |
86 | fSummEnergy(0), | |
87 | fSum2Energy(0), | |
88 | fTrRmax(1.e10), | |
89 | fTrZmax(1.e10), | |
90e48c0c | 90 | fRDecayMax(1.e10), |
38ca2ad6 | 91 | fRDecayMin(-1.), |
90e48c0c | 92 | fDecayPdg(0), |
5d12ce38 | 93 | fImedia(new TArrayI(1000)), |
94 | fTransParName("\0"), | |
95 | fMCQA(0), | |
96 | fHitLists(new TList()), | |
3cac0921 | 97 | fTmpTreeTR(0), |
98 | fTmpFileTR(0), | |
fd650020 | 99 | fTrackReferences("AliTrackReference", 100), |
100 | fTmpTrackReferences("AliTrackReference", 100) | |
5d12ce38 | 101 | { |
d0d4a6b3 | 102 | //constructor |
5d12ce38 | 103 | // Set transport parameters |
104 | SetTransPar(); | |
0561efeb | 105 | DecayLimits(); |
5d12ce38 | 106 | // Prepare the tracking medium lists |
107 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 108 | } |
109 | ||
110 | //_______________________________________________________________________ | |
111 | AliMC::AliMC(const AliMC &mc) : | |
112 | TVirtualMCApplication(mc), | |
113 | fGenerator(0), | |
114 | fEventEnergy(0), | |
115 | fSummEnergy(0), | |
116 | fSum2Energy(0), | |
117 | fTrRmax(1.e10), | |
118 | fTrZmax(1.e10), | |
90e48c0c | 119 | fRDecayMax(1.e10), |
38ca2ad6 | 120 | fRDecayMin(-1.), |
90e48c0c | 121 | fDecayPdg(0), |
5d12ce38 | 122 | fImedia(0), |
123 | fTransParName("\0"), | |
124 | fMCQA(0), | |
125 | fHitLists(0), | |
3cac0921 | 126 | fTmpTreeTR(0), |
127 | fTmpFileTR(0), | |
fd650020 | 128 | fTrackReferences(), |
129 | fTmpTrackReferences() | |
5d12ce38 | 130 | { |
131 | // | |
90e48c0c | 132 | // Copy constructor for AliMC |
5d12ce38 | 133 | // |
134 | mc.Copy(*this); | |
135 | } | |
136 | ||
137 | //_______________________________________________________________________ | |
138 | AliMC::~AliMC() | |
139 | { | |
d0d4a6b3 | 140 | //destructor |
5d12ce38 | 141 | delete fGenerator; |
142 | delete fImedia; | |
143 | delete fMCQA; | |
144 | delete fHitLists; | |
145 | // Delete track references | |
5d12ce38 | 146 | } |
147 | ||
148 | //_______________________________________________________________________ | |
6c4904c2 | 149 | void AliMC::Copy(TObject &) const |
5d12ce38 | 150 | { |
d0d4a6b3 | 151 | //dummy Copy function |
21bf7095 | 152 | AliFatal("Not implemented!"); |
5d12ce38 | 153 | } |
154 | ||
155 | //_______________________________________________________________________ | |
156 | void AliMC::ConstructGeometry() | |
157 | { | |
158 | // | |
4a9de4af | 159 | // Either load geometry from file or create it through usual |
160 | // loop on detectors. In the first case the method | |
161 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
162 | // at InitGeometry(). | |
5d12ce38 | 163 | // |
164 | ||
ced249e6 | 165 | if(gAlice->IsRootGeometry()){ //load geometry either from CDB or from file |
166 | if(gAlice->IsGeomFromCDB()){ | |
167 | AliInfo("Loading geometry from CDB default storage"); | |
168 | AliCDBPath path("GRP","Geometry","Data"); | |
169 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
170 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
171 | entry->SetOwner(0); | |
172 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
173 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 174 | }else{ |
ced249e6 | 175 | // Load geometry |
176 | const char *geomfilename = gAlice->GetGeometryFileName(); | |
177 | if(gSystem->ExpandPathName(geomfilename)){ | |
178 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
179 | TGeoManager::Import(geomfilename); | |
180 | }else{ | |
181 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
182 | return; | |
183 | } | |
4a9de4af | 184 | } |
185 | }else{ | |
186 | // Create modules, materials, geometry | |
5d12ce38 | 187 | TStopwatch stw; |
188 | TIter next(gAlice->Modules()); | |
189 | AliModule *detector; | |
21bf7095 | 190 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 191 | while((detector = dynamic_cast<AliModule*>(next()))) { |
192 | stw.Start(); | |
193 | // Initialise detector materials and geometry | |
194 | detector->CreateMaterials(); | |
195 | detector->CreateGeometry(); | |
21bf7095 | 196 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
197 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 198 | } |
4a9de4af | 199 | } |
200 | ||
5d12ce38 | 201 | } |
202 | ||
39b3f8ba | 203 | //_______________________________________________________________________ |
204 | Bool_t AliMC::MisalignGeometry() | |
205 | { | |
206 | // Call misalignment code if AliSimulation object was defined. | |
0717eed2 | 207 | |
ced249e6 | 208 | if(!gAlice->IsRootGeometry()){ |
209 | //Set alignable volumes for the whole geometry | |
210 | SetAllAlignableVolumes(); | |
211 | } | |
0717eed2 | 212 | // Misalign geometry via AliSimulation instance |
39b3f8ba | 213 | if (!AliSimulation::GetInstance()) return kFALSE; |
392808e8 | 214 | AliGeomManager::SetGeometry(gGeoManager); |
39b3f8ba | 215 | return AliSimulation::GetInstance()->MisalignGeometry(gAlice->GetRunLoader()); |
216 | } | |
217 | ||
661663fa | 218 | //_______________________________________________________________________ |
219 | void AliMC::ConstructOpGeometry() | |
220 | { | |
221 | // | |
222 | // Loop all detector modules and call DefineOpticalProperties() method | |
223 | // | |
224 | ||
225 | TIter next(gAlice->Modules()); | |
226 | AliModule *detector; | |
227 | AliInfo("Optical properties definition"); | |
228 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
229 | // Initialise detector optical properties | |
230 | detector->DefineOpticalProperties(); | |
231 | } | |
232 | } | |
233 | ||
5d12ce38 | 234 | //_______________________________________________________________________ |
235 | void AliMC::InitGeometry() | |
236 | { | |
237 | // | |
27cf3cdc | 238 | // Initialize detectors |
5d12ce38 | 239 | // |
240 | ||
4a9de4af | 241 | AliInfo("Initialisation:"); |
242 | TStopwatch stw; | |
243 | TIter next(gAlice->Modules()); | |
244 | AliModule *detector; | |
245 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
246 | stw.Start(); | |
27cf3cdc | 247 | // Initialise detector geometry |
4a9de4af | 248 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); |
249 | detector->Init(); | |
4a9de4af | 250 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
251 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
252 | } | |
4787b401 | 253 | } |
254 | ||
255 | //_______________________________________________________________________ | |
256 | void AliMC::SetAllAlignableVolumes() | |
257 | { | |
258 | // | |
259 | // Add alignable volumes (TGeoPNEntries) looping on all | |
260 | // active modules | |
261 | // | |
262 | ||
263 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
264 | AliModule *detector; | |
265 | TIter next(gAlice->Modules()); | |
266 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
267 | detector->AddAlignableVolumes(); | |
268 | } | |
5d12ce38 | 269 | } |
270 | ||
271 | //_______________________________________________________________________ | |
2057aecb | 272 | void AliMC::GeneratePrimaries() |
5d12ce38 | 273 | { |
274 | // | |
275 | // Generate primary particles and fill them in the stack. | |
276 | // | |
277 | ||
278 | Generator()->Generate(); | |
279 | } | |
280 | ||
281 | //_______________________________________________________________________ | |
282 | void AliMC::SetGenerator(AliGenerator *generator) | |
283 | { | |
284 | // | |
285 | // Load the event generator | |
286 | // | |
287 | if(!fGenerator) fGenerator = generator; | |
288 | } | |
289 | ||
290 | //_______________________________________________________________________ | |
291 | void AliMC::ResetGenerator(AliGenerator *generator) | |
292 | { | |
293 | // | |
294 | // Load the event generator | |
295 | // | |
9a213abc | 296 | if(fGenerator) { |
297 | if(generator) { | |
21bf7095 | 298 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 299 | fGenerator->GetName(),generator->GetName())); |
300 | } | |
301 | else { | |
21bf7095 | 302 | AliWarning(Form("Replacing generator %s with NULL", |
303 | fGenerator->GetName())); | |
9a213abc | 304 | } |
305 | } | |
5d12ce38 | 306 | fGenerator = generator; |
307 | } | |
308 | ||
309 | //_______________________________________________________________________ | |
310 | void AliMC::FinishRun() | |
311 | { | |
312 | // Clean generator information | |
21bf7095 | 313 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 314 | fGenerator->FinishRun(); |
315 | ||
316 | //Output energy summary tables | |
21bf7095 | 317 | AliDebug(1, "EnergySummary()"); |
318 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 319 | } |
320 | ||
321 | //_______________________________________________________________________ | |
322 | void AliMC::BeginPrimary() | |
323 | { | |
324 | // | |
325 | // Called at the beginning of each primary track | |
326 | // | |
327 | ||
328 | // Reset Hits info | |
329 | ResetHits(); | |
330 | ResetTrackReferences(); | |
5d12ce38 | 331 | } |
332 | ||
333 | //_______________________________________________________________________ | |
334 | void AliMC::PreTrack() | |
335 | { | |
d0d4a6b3 | 336 | // Actions before the track's transport |
5d12ce38 | 337 | TObjArray &dets = *gAlice->Modules(); |
338 | AliModule *module; | |
339 | ||
340 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
341 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
342 | module->PreTrack(); | |
343 | ||
344 | fMCQA->PreTrack(); | |
345 | } | |
346 | ||
347 | //_______________________________________________________________________ | |
348 | void AliMC::Stepping() | |
349 | { | |
350 | // | |
351 | // Called at every step during transport | |
352 | // | |
38ca2ad6 | 353 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 354 | if (id < 0) return; |
355 | ||
0561efeb | 356 | |
357 | if ( gMC->IsNewTrack() && | |
358 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 359 | fRDecayMin >= 0. && |
0561efeb | 360 | fRDecayMax > fRDecayMin && |
361 | gMC->TrackPid() == fDecayPdg ) | |
362 | { | |
363 | FixParticleDecaytime(); | |
364 | } | |
365 | ||
366 | ||
367 | ||
5d12ce38 | 368 | // |
369 | // --- If lego option, do it and leave | |
370 | if (gAlice->Lego()) | |
371 | gAlice->Lego()->StepManager(); | |
372 | else { | |
373 | Int_t copy; | |
374 | //Update energy deposition tables | |
375 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 376 | // |
377 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 378 | |
379 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
380 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 381 | AliTrackReference::kDisappeared); |
faad98df | 382 | |
383 | ||
b60e0f5e | 384 | } |
faad98df | 385 | |
5d12ce38 | 386 | //Call the appropriate stepping routine; |
387 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
388 | if(det && det->StepManagerIsEnabled()) { | |
e569033b | 389 | if(AliLog::GetGlobalDebugLevel()>0) fMCQA->StepManager(id); |
5d12ce38 | 390 | det->StepManager(); |
391 | } | |
392 | } | |
393 | } | |
394 | ||
395 | //_______________________________________________________________________ | |
396 | void AliMC::EnergySummary() | |
397 | { | |
9ac3aec9 | 398 | //e |
5d12ce38 | 399 | // Print summary of deposited energy |
400 | // | |
401 | ||
402 | Int_t ndep=0; | |
403 | Float_t edtot=0; | |
404 | Float_t ed, ed2; | |
405 | Int_t kn, i, left, j, id; | |
406 | const Float_t kzero=0; | |
407 | Int_t ievent=gAlice->GetRunLoader()->GetHeader()->GetEvent()+1; | |
408 | // | |
409 | // Energy loss information | |
410 | if(ievent) { | |
411 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
412 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
413 | ed=fSummEnergy[kn]; | |
414 | if(ed>0) { | |
415 | fEventEnergy[ndep]=kn; | |
416 | if(ievent>1) { | |
417 | ed=ed/ievent; | |
418 | ed2=fSum2Energy[kn]; | |
419 | ed2=ed2/ievent; | |
420 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
421 | } else | |
422 | ed2=99; | |
423 | fSummEnergy[ndep]=ed; | |
424 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
425 | edtot+=ed; | |
426 | ndep++; | |
427 | } | |
428 | } | |
429 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
430 | left=ndep-kn*3; | |
431 | for(i=0;i<(3<left?3:left);i++) { | |
432 | j=kn*3+i; | |
433 | id=Int_t (fEventEnergy[j]+0.1); | |
434 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
435 | } | |
436 | printf("\n"); | |
437 | } | |
438 | // | |
439 | // Relative energy loss in different detectors | |
440 | printf("******************** Relative Energy Loss per event ********************\n"); | |
441 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
442 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
443 | left=ndep-kn*5; | |
444 | for(i=0;i<(5<left?5:left);i++) { | |
445 | j=kn*5+i; | |
446 | id=Int_t (fEventEnergy[j]+0.1); | |
447 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
448 | } | |
449 | printf("\n"); | |
450 | } | |
451 | for(kn=0;kn<75;kn++) printf("*"); | |
452 | printf("\n"); | |
453 | } | |
454 | // | |
455 | // Reset the TArray's | |
456 | // fEventEnergy.Set(0); | |
457 | // fSummEnergy.Set(0); | |
458 | // fSum2Energy.Set(0); | |
459 | } | |
460 | ||
461 | //_____________________________________________________________________________ | |
462 | void AliMC::BeginEvent() | |
463 | { | |
464 | // | |
465 | // Clean-up previous event | |
466 | // Energy scores | |
21bf7095 | 467 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
468 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
469 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
470 | AliDebug(1, " BEGINNING EVENT "); | |
471 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
472 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
473 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 474 | |
3cac0921 | 475 | AliRunLoader *runloader=gAlice->GetRunLoader(); |
5d12ce38 | 476 | |
477 | /*******************************/ | |
478 | /* Clean after eventual */ | |
479 | /* previous event */ | |
480 | /*******************************/ | |
481 | ||
482 | ||
483 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
484 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
485 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 486 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 487 | |
488 | fEventEnergy.Reset(); | |
489 | // Clean detector information | |
490 | ||
491 | if (runloader->Stack()) | |
3cac0921 | 492 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 493 | else |
3cac0921 | 494 | runloader->MakeStack();//or make a new one |
504b172d | 495 | |
9ac3aec9 | 496 | |
3cac0921 | 497 | if(gAlice->Lego() == 0x0) |
498 | { | |
499 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
500 | runloader->MakeTree("K"); | |
501 | } | |
502 | ||
21bf7095 | 503 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
5d12ce38 | 504 | gMC->SetStack(gAlice->GetRunLoader()->Stack());//Was in InitMC - but was moved here |
505 | //because we don't have guarantee that | |
506 | //stack pointer is not going to change from event to event | |
507 | //since it bellobgs to header and is obtained via RunLoader | |
508 | // | |
509 | // Reset all Detectors & kinematics & make/reset trees | |
510 | // | |
511 | ||
8c8fbdcd | 512 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 513 | gAlice->GetEventNrInRun()); |
5d12ce38 | 514 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
515 | ||
504b172d | 516 | if(gAlice->Lego()) |
3cac0921 | 517 | { |
518 | gAlice->Lego()->BeginEvent(); | |
519 | return; | |
520 | } | |
504b172d | 521 | |
5d12ce38 | 522 | |
21bf7095 | 523 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 524 | ResetHits(); |
504b172d | 525 | |
21bf7095 | 526 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 527 | runloader->MakeTree("H"); |
504b172d | 528 | |
5d12ce38 | 529 | |
5d12ce38 | 530 | |
3cac0921 | 531 | MakeTmpTrackRefsTree(); |
5d12ce38 | 532 | //create new branches and SetAdresses |
533 | TIter next(gAlice->Modules()); | |
534 | AliModule *detector; | |
535 | while((detector = (AliModule*)next())) | |
536 | { | |
3cac0921 | 537 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
538 | detector->MakeBranch("H"); | |
5d12ce38 | 539 | } |
540 | } | |
541 | ||
542 | //_______________________________________________________________________ | |
543 | void AliMC::ResetHits() | |
544 | { | |
545 | // | |
546 | // Reset all Detectors hits | |
547 | // | |
548 | TIter next(gAlice->Modules()); | |
549 | AliModule *detector; | |
550 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
551 | detector->ResetHits(); | |
552 | } | |
553 | } | |
554 | ||
555 | //_______________________________________________________________________ | |
556 | void AliMC::PostTrack() | |
557 | { | |
d0d4a6b3 | 558 | // Posts tracks for each module |
4a9de4af | 559 | TObjArray &dets = *gAlice->Modules(); |
560 | AliModule *module; | |
561 | ||
562 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
563 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
564 | module->PostTrack(); | |
5d12ce38 | 565 | } |
566 | ||
567 | //_______________________________________________________________________ | |
568 | void AliMC::FinishPrimary() | |
569 | { | |
570 | // | |
571 | // Called at the end of each primary track | |
572 | // | |
573 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
574 | // static Int_t count=0; | |
575 | // const Int_t times=10; | |
576 | // This primary is finished, purify stack | |
c75cfb51 | 577 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 578 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 579 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 580 | } |
c75cfb51 | 581 | #endif |
77db8cbf | 582 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 583 | |
5d12ce38 | 584 | TIter next(gAlice->Modules()); |
585 | AliModule *detector; | |
586 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
587 | detector->FinishPrimary(); | |
504b172d | 588 | AliLoader* loader = detector->GetLoader(); |
589 | if(loader) | |
590 | { | |
591 | TTree* treeH = loader->TreeH(); | |
592 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
593 | } | |
5d12ce38 | 594 | } |
595 | ||
596 | // Write out track references if any | |
3cac0921 | 597 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 598 | } |
599 | ||
942a9039 | 600 | void AliMC::RemapHits() |
601 | { | |
602 | // | |
603 | // Remaps the track labels of the hits | |
604 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
605 | AliStack* stack = runloader->Stack(); | |
606 | TList* hitLists = GetHitLists(); | |
607 | TIter next(hitLists); | |
608 | TCollection *hitList; | |
609 | ||
610 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
611 | TIter nexthit(hitList); | |
612 | AliHit *hit; | |
613 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
614 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
615 | } | |
616 | } | |
617 | ||
618 | // | |
619 | // This for detectors which have a special mapping mechanism | |
620 | // for hits, such as TPC and TRD | |
621 | // | |
ac2b85c0 | 622 | |
942a9039 | 623 | |
624 | TObjArray* modules = gAlice->Modules(); | |
625 | TIter nextmod(modules); | |
ac2b85c0 | 626 | AliModule *module; |
627 | while((module = (AliModule*) nextmod())) { | |
628 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
629 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 630 | } |
631 | // | |
632 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
633 | } | |
634 | ||
5d12ce38 | 635 | //_______________________________________________________________________ |
636 | void AliMC::FinishEvent() | |
637 | { | |
638 | // | |
639 | // Called at the end of the event. | |
640 | // | |
641 | ||
642 | // | |
38ca2ad6 | 643 | |
5d12ce38 | 644 | if(gAlice->Lego()) gAlice->Lego()->FinishEvent(); |
645 | ||
646 | TIter next(gAlice->Modules()); | |
647 | AliModule *detector; | |
648 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
649 | detector->FinishEvent(); | |
650 | } | |
651 | ||
652 | //Update the energy deposit tables | |
653 | Int_t i; | |
654 | for(i=0;i<fEventEnergy.GetSize();i++) | |
655 | { | |
656 | fSummEnergy[i]+=fEventEnergy[i]; | |
657 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
658 | } | |
659 | ||
660 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
661 | ||
662 | AliHeader* header = runloader->GetHeader(); | |
663 | AliStack* stack = runloader->Stack(); | |
664 | if ( (header == 0x0) || (stack == 0x0) ) | |
665 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 666 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 667 | return;//never reached |
668 | } | |
669 | // Update Header information | |
670 | header->SetNprimary(stack->GetNprimary()); | |
671 | header->SetNtrack(stack->GetNtrack()); | |
672 | ||
5d12ce38 | 673 | // Write out the kinematics |
38ca2ad6 | 674 | if (!gAlice->Lego()) stack->FinishEvent(); |
3cac0921 | 675 | |
676 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 677 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 678 | |
679 | // Write out the event Header information | |
680 | TTree* treeE = runloader->TreeE(); | |
681 | if (treeE) | |
682 | { | |
683 | header->SetStack(stack); | |
684 | treeE->Fill(); | |
685 | } | |
686 | else | |
687 | { | |
21bf7095 | 688 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 689 | } |
690 | ||
504b172d | 691 | if(gAlice->Lego() == 0x0) |
692 | { | |
693 | runloader->WriteKinematics("OVERWRITE"); | |
694 | runloader->WriteTrackRefs("OVERWRITE"); | |
695 | runloader->WriteHits("OVERWRITE"); | |
696 | } | |
697 | ||
21bf7095 | 698 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
699 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
700 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
701 | AliDebug(1, " FINISHING EVENT "); | |
702 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
703 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
704 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 705 | } |
706 | ||
707 | //_______________________________________________________________________ | |
708 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
709 | { | |
d0d4a6b3 | 710 | // Calculates field "b" at point "x" |
5d12ce38 | 711 | gAlice->Field(x,b); |
712 | } | |
713 | ||
714 | //_______________________________________________________________________ | |
715 | void AliMC::Init() | |
716 | { | |
d0d4a6b3 | 717 | // MC initialization |
5d12ce38 | 718 | |
719 | //=================Create Materials and geometry | |
720 | gMC->Init(); | |
4e889ff4 | 721 | // Set alignable volumes for the whole geometry (with old root) |
722 | #if ROOT_VERSION_CODE < 331527 | |
723 | SetAllAlignableVolumes(); | |
724 | #endif | |
5d12ce38 | 725 | //Read the cuts for all materials |
726 | ReadTransPar(); | |
727 | //Build the special IMEDIA table | |
728 | MediaTable(); | |
729 | ||
730 | //Compute cross-sections | |
731 | gMC->BuildPhysics(); | |
732 | ||
5d12ce38 | 733 | //Initialise geometry deposition table |
734 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
735 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
736 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
737 | ||
738 | // | |
739 | fMCQA = new AliMCQA(gAlice->GetNdets()); | |
740 | ||
741 | // Register MC in configuration | |
742 | AliConfig::Instance()->Add(gMC); | |
743 | ||
744 | } | |
745 | ||
746 | //_______________________________________________________________________ | |
747 | void AliMC::MediaTable() | |
748 | { | |
749 | // | |
750 | // Built media table to get from the media number to | |
751 | // the detector id | |
752 | // | |
753 | ||
754 | Int_t kz, nz, idt, lz, i, k, ind; | |
755 | // Int_t ibeg; | |
756 | TObjArray &dets = *gAlice->Detectors(); | |
757 | AliModule *det; | |
758 | Int_t ndets=gAlice->GetNdets(); | |
759 | // | |
760 | // For all detectors | |
761 | for (kz=0;kz<ndets;kz++) { | |
762 | // If detector is defined | |
763 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
764 | TArrayI &idtmed = *(det->GetIdtmed()); | |
765 | for(nz=0;nz<100;nz++) { | |
0561efeb | 766 | |
5d12ce38 | 767 | // Find max and min material number |
768 | if((idt=idtmed[nz])) { | |
769 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
770 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
771 | } | |
772 | } | |
773 | if(det->LoMedium() > det->HiMedium()) { | |
774 | det->LoMedium() = 0; | |
775 | det->HiMedium() = 0; | |
776 | } else { | |
777 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 778 | AliError(Form("Increase fImedia from %d to %d", |
779 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 780 | return; |
781 | } | |
782 | // Tag all materials in rage as belonging to detector kz | |
783 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
784 | (*fImedia)[lz]=kz; | |
785 | } | |
786 | } | |
787 | } | |
788 | } | |
789 | // | |
790 | // Print summary table | |
21bf7095 | 791 | AliInfo("Tracking media ranges:"); |
792 | ToAliInfo( | |
5d12ce38 | 793 | for(i=0;i<(ndets-1)/6+1;i++) { |
794 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
795 | ind=i*6+k; | |
796 | det=dynamic_cast<AliModule*>(dets[ind]); | |
797 | if(det) | |
798 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
799 | det->HiMedium()); | |
800 | else | |
801 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
802 | } | |
803 | printf("\n"); | |
804 | } | |
21bf7095 | 805 | ) |
5d12ce38 | 806 | } |
807 | ||
808 | //_______________________________________________________________________ | |
809 | void AliMC::ReadTransPar() | |
810 | { | |
811 | // | |
812 | // Read filename to set the transport parameters | |
813 | // | |
814 | ||
815 | ||
816 | const Int_t kncuts=10; | |
817 | const Int_t knflags=11; | |
818 | const Int_t knpars=kncuts+knflags; | |
819 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
820 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
821 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
822 | "MULS","PAIR","PHOT","RAYL"}; | |
823 | char line[256]; | |
824 | char detName[7]; | |
825 | char* filtmp; | |
826 | Float_t cut[kncuts]; | |
827 | Int_t flag[knflags]; | |
828 | Int_t i, itmed, iret, ktmed, kz; | |
829 | FILE *lun; | |
830 | // | |
831 | // See whether the file is there | |
832 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
833 | lun=fopen(filtmp,"r"); | |
834 | delete [] filtmp; | |
835 | if(!lun) { | |
21bf7095 | 836 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 837 | return; |
838 | } | |
839 | // | |
5d12ce38 | 840 | while(1) { |
841 | // Initialise cuts and flags | |
842 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
843 | for(i=0;i<knflags;i++) flag[i]=-99; | |
844 | itmed=0; | |
845 | for(i=0;i<256;i++) line[i]='\0'; | |
846 | // Read up to the end of line excluded | |
847 | iret=fscanf(lun,"%[^\n]",line); | |
848 | if(iret<0) { | |
849 | //End of file | |
850 | fclose(lun); | |
5d12ce38 | 851 | return; |
852 | } | |
853 | // Read the end of line | |
854 | fscanf(lun,"%*c"); | |
855 | if(!iret) continue; | |
856 | if(line[0]=='*') continue; | |
857 | // Read the numbers | |
858 | 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", | |
859 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
860 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
861 | &flag[8],&flag[9],&flag[10]); | |
862 | if(!iret) continue; | |
863 | if(iret<0) { | |
864 | //reading error | |
21bf7095 | 865 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 866 | continue; |
867 | } | |
868 | // Check that the module exist | |
869 | AliModule *mod = gAlice->GetModule(detName); | |
870 | if(mod) { | |
871 | // Get the array of media numbers | |
872 | TArrayI &idtmed = *mod->GetIdtmed(); | |
873 | // Check that the tracking medium code is valid | |
874 | if(0<=itmed && itmed < 100) { | |
875 | ktmed=idtmed[itmed]; | |
876 | if(!ktmed) { | |
21bf7095 | 877 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 878 | continue; |
879 | } | |
880 | // Set energy thresholds | |
881 | for(kz=0;kz<kncuts;kz++) { | |
882 | if(cut[kz]>=0) { | |
21bf7095 | 883 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
884 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 885 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
886 | } | |
887 | } | |
888 | // Set transport mechanisms | |
889 | for(kz=0;kz<knflags;kz++) { | |
890 | if(flag[kz]>=0) { | |
21bf7095 | 891 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
892 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 893 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
894 | } | |
895 | } | |
896 | } else { | |
21bf7095 | 897 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 898 | continue; |
899 | } | |
900 | } else { | |
21bf7095 | 901 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 902 | continue; |
903 | } | |
904 | } | |
905 | } | |
906 | ||
907 | //_______________________________________________________________________ | |
908 | void AliMC::SetTransPar(const char *filename) | |
909 | { | |
910 | // | |
911 | // Sets the file name for transport parameters | |
912 | // | |
913 | fTransParName = filename; | |
914 | } | |
915 | ||
916 | //_______________________________________________________________________ | |
0054628d | 917 | void AliMC::Browse(TBrowser *b) |
5d12ce38 | 918 | { |
919 | // | |
920 | // Called when the item "Run" is clicked on the left pane | |
921 | // of the Root browser. | |
922 | // It displays the Root Trees and all detectors. | |
923 | // | |
924 | //detectors are in folders anyway | |
925 | b->Add(fMCQA,"AliMCQA"); | |
926 | } | |
927 | ||
5d12ce38 | 928 | //_______________________________________________________________________ |
929 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
930 | { | |
931 | // | |
932 | // Add a hit to detector id | |
933 | // | |
934 | TObjArray &dets = *gAlice->Modules(); | |
935 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
936 | } | |
937 | ||
938 | //_______________________________________________________________________ | |
939 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
940 | { | |
941 | // | |
942 | // Add digit to detector id | |
943 | // | |
944 | TObjArray &dets = *gAlice->Modules(); | |
945 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
946 | } | |
947 | ||
948 | //_______________________________________________________________________ | |
949 | Int_t AliMC::GetCurrentTrackNumber() const { | |
950 | // | |
951 | // Returns current track | |
952 | // | |
953 | return gAlice->GetRunLoader()->Stack()->GetCurrentTrackNumber(); | |
954 | } | |
955 | ||
956 | //_______________________________________________________________________ | |
957 | void AliMC::DumpPart (Int_t i) const | |
958 | { | |
959 | // | |
960 | // Dumps particle i in the stack | |
961 | // | |
962 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
963 | if (runloader->Stack()) | |
964 | runloader->Stack()->DumpPart(i); | |
965 | } | |
966 | ||
967 | //_______________________________________________________________________ | |
968 | void AliMC::DumpPStack () const | |
969 | { | |
970 | // | |
971 | // Dumps the particle stack | |
972 | // | |
973 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
974 | if (runloader->Stack()) | |
975 | runloader->Stack()->DumpPStack(); | |
976 | } | |
977 | ||
978 | //_______________________________________________________________________ | |
979 | Int_t AliMC::GetNtrack() const { | |
980 | // | |
981 | // Returns number of tracks in stack | |
982 | // | |
983 | Int_t ntracks = -1; | |
984 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
985 | if (runloader->Stack()) | |
986 | ntracks = runloader->Stack()->GetNtrack(); | |
987 | return ntracks; | |
988 | } | |
989 | ||
990 | //_______________________________________________________________________ | |
991 | Int_t AliMC::GetPrimary(Int_t track) const | |
992 | { | |
993 | // | |
994 | // return number of primary that has generated track | |
995 | // | |
996 | Int_t nprimary = -999; | |
997 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
998 | if (runloader->Stack()) | |
999 | nprimary = runloader->Stack()->GetPrimary(track); | |
1000 | return nprimary; | |
1001 | } | |
1002 | ||
1003 | //_______________________________________________________________________ | |
1004 | TParticle* AliMC::Particle(Int_t i) const | |
1005 | { | |
d0d4a6b3 | 1006 | // Returns the i-th particle from the stack taking into account |
1007 | // the remaping done by PurifyKine | |
5d12ce38 | 1008 | AliRunLoader * runloader = gAlice->GetRunLoader(); |
1009 | if (runloader) | |
1010 | if (runloader->Stack()) | |
1011 | return runloader->Stack()->Particle(i); | |
1012 | return 0x0; | |
1013 | } | |
1014 | ||
1015 | //_______________________________________________________________________ | |
6c753956 | 1016 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 1017 | // |
1018 | // Returns pointer to Particles array | |
1019 | // | |
1020 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1021 | if (runloader) | |
1022 | if (runloader->Stack()) | |
1023 | return runloader->Stack()->Particles(); | |
1024 | return 0x0; | |
1025 | } | |
1026 | ||
1027 | //_______________________________________________________________________ | |
1028 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
1029 | Float_t *vpos, Float_t *polar, Float_t tof, | |
2057aecb | 1030 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1031 | { |
1032 | // Delegate to stack | |
1033 | // | |
1034 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1035 | if (runloader) | |
1036 | if (runloader->Stack()) | |
1037 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1038 | mech, ntr, weight, is); | |
1039 | } | |
1040 | ||
1041 | //_______________________________________________________________________ | |
1042 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1043 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1044 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1045 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1046 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1047 | { |
1048 | // Delegate to stack | |
1049 | // | |
1050 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1051 | if (runloader) | |
1052 | if (runloader->Stack()) | |
1053 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1054 | polx, poly, polz, mech, ntr, weight, is); | |
1055 | } | |
1056 | ||
1057 | //_______________________________________________________________________ | |
2057aecb | 1058 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1059 | { |
1060 | // | |
1061 | // Set high water mark for last track in event | |
1062 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1063 | if (runloader) | |
1064 | if (runloader->Stack()) | |
1065 | runloader->Stack()->SetHighWaterMark(nt); | |
1066 | } | |
1067 | ||
1068 | //_______________________________________________________________________ | |
2057aecb | 1069 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1070 | { |
1071 | // | |
1072 | // Delegate to stack | |
1073 | // | |
1074 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1075 | if (runloader) | |
1076 | if (runloader->Stack()) | |
1077 | runloader->Stack()->KeepTrack(track); | |
1078 | } | |
1079 | ||
1080 | //_______________________________________________________________________ | |
2057aecb | 1081 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1082 | { |
1083 | // Delegate to stack | |
1084 | // | |
1085 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1086 | if (runloader) | |
1087 | if (runloader->Stack()) | |
1088 | runloader->Stack()->FlagTrack(track); | |
1089 | } | |
1090 | ||
1091 | //_______________________________________________________________________ | |
2057aecb | 1092 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1093 | { |
1094 | // | |
1095 | // Set current track number | |
1096 | // | |
1097 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1098 | if (runloader) | |
1099 | if (runloader->Stack()) | |
1100 | runloader->Stack()->SetCurrentTrack(track); | |
1101 | } | |
1102 | ||
1103 | //_______________________________________________________________________ | |
9ac3aec9 | 1104 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1105 | { | |
5d12ce38 | 1106 | // |
1107 | // add a trackrefernce to the list | |
9ac3aec9 | 1108 | Int_t primary = GetPrimary(label); |
1109 | Particle(primary)->SetBit(kKeepBit); | |
1110 | ||
fd650020 | 1111 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1112 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1113 | } |
1114 | ||
1115 | ||
1116 | ||
1117 | //_______________________________________________________________________ | |
1118 | void AliMC::ResetTrackReferences() | |
1119 | { | |
1120 | // | |
1121 | // Reset all references | |
1122 | // | |
fd650020 | 1123 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1124 | } |
1125 | ||
1126 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1127 | { | |
1128 | // | |
1129 | // Remapping track reference | |
1130 | // Called at finish primary | |
1131 | // | |
fd650020 | 1132 | |
1133 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1134 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1135 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1136 | if (ref) { |
1137 | Int_t newID = map[ref->GetTrack()]; | |
1138 | if (newID>=0) ref->SetTrack(newID); | |
1139 | else { | |
1140 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1141 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1142 | } |
1143 | } // if ref | |
5d12ce38 | 1144 | } |
fd650020 | 1145 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1146 | } |
0561efeb | 1147 | |
1148 | void AliMC::FixParticleDecaytime() | |
1149 | { | |
1150 | // | |
1151 | // Fix the particle decay time according to rmin and rmax for decays | |
1152 | // | |
1153 | ||
1154 | TLorentzVector p; | |
1155 | gMC->TrackMomentum(p); | |
1156 | Double_t tmin, tmax; | |
1157 | Double_t b; | |
1158 | ||
1159 | // Transverse velocity | |
1160 | Double_t vt = p.Pt() / p.E(); | |
1161 | ||
1162 | if ((b = gAlice->Field()->SolenoidField()) > 0.) { // [kG] | |
1163 | ||
1164 | // Radius of helix | |
1165 | ||
1166 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1167 | ||
1168 | // Revolution frequency | |
1169 | ||
1170 | Double_t omega = vt / rho; | |
1171 | ||
1172 | // Maximum and minimum decay time | |
1173 | // | |
1174 | // Check for curlers first | |
1175 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1176 | ||
1177 | // | |
1178 | ||
1179 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1180 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1181 | } else { | |
1182 | tmax = fRDecayMax / vt; // [ct] | |
1183 | tmin = fRDecayMin / vt; // [ct] | |
1184 | } | |
1185 | ||
1186 | // | |
1187 | // Dial t using the two limits | |
1188 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1189 | // | |
1190 | // | |
1191 | // Force decay time in transport code | |
1192 | // | |
fa7ca4da | 1193 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1194 | } |
3cac0921 | 1195 | |
1196 | void AliMC::MakeTmpTrackRefsTree() | |
1197 | { | |
1198 | // Make the temporary track reference tree | |
1199 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1200 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1201 | TClonesArray* pRef = &fTmpTrackReferences; |
1202 | fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &pRef, 4000); | |
3cac0921 | 1203 | } |
1204 | ||
1205 | void AliMC::ReorderAndExpandTreeTR() | |
1206 | { | |
1207 | // | |
1208 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1209 | // | |
1210 | ||
1211 | AliRunLoader *rl = gAlice->GetRunLoader(); | |
1212 | // | |
1213 | // TreeTR | |
1214 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1215 | rl->MakeTrackRefsContainer(); | |
1216 | TTree * treeTR = rl->TreeTR(); | |
1217 | if (treeTR){ | |
1218 | // make branch for central track references | |
3cac0921 | 1219 | TBranch *branch; |
fd650020 | 1220 | TClonesArray* pRef = &fTrackReferences; |
1221 | branch = treeTR->Branch("TrackReferences", &pRef); | |
1222 | branch->SetAddress(&pRef); | |
3cac0921 | 1223 | } |
1224 | ||
1225 | AliStack* stack = rl->Stack(); | |
1226 | Int_t np = stack->GetNprimary(); | |
1227 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1228 | // |
1229 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1230 | Int_t ifills = 0; |
1231 | Int_t it = 0; | |
1232 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1233 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1234 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1235 | |
5ce21fc4 | 1236 | // Skip primaries that have not been transported |
3cac0921 | 1237 | Int_t dau1 = part->GetFirstDaughter(); |
1238 | Int_t dau2 = -1; | |
f4414561 | 1239 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1240 | // |
1241 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1242 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1243 | // Determine range of secondaries produced by this primary |
3cac0921 | 1244 | if (dau1 > -1) { |
5ce21fc4 | 1245 | Int_t inext = ip - 1; |
3cac0921 | 1246 | while (dau2 < 0) { |
1247 | if (inext >= 0) { | |
1248 | part = stack->Particle(inext); | |
5ce21fc4 | 1249 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1250 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1251 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1252 | dau2 = -1; |
1253 | } else { | |
1254 | dau2--; | |
1255 | } | |
3cac0921 | 1256 | } else { |
1257 | dau2 = stack->GetNtrack() - 1; | |
1258 | } | |
1259 | inext--; | |
5ce21fc4 | 1260 | } // find upper bound |
1261 | } // dau2 < 0 | |
2c4e7c77 | 1262 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1263 | // |
1264 | // Loop over reference hits and find secondary label | |
1265 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1266 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1267 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1268 | Int_t label = tr->Label(); |
5ce21fc4 | 1269 | // Skip primaries |
1270 | if (label == ip) continue; | |
2c4e7c77 | 1271 | if (label > dau2 || label < dau1) |
1272 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1273 | if (label == id) { |
1274 | // secondary found | |
fd650020 | 1275 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1276 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1277 | } |
1278 | } // hits | |
1279 | treeTR->Fill(); | |
fd650020 | 1280 | fTrackReferences.Clear(); |
5ce21fc4 | 1281 | ifills++; |
3cac0921 | 1282 | } // daughters |
1283 | } // tracks | |
3cac0921 | 1284 | // |
1285 | // Now loop again and write the primaries | |
5ce21fc4 | 1286 | it = nt - 1; |
1287 | for (Int_t ip = 0; ip < np; ip++) { | |
1288 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1289 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1290 | if (part->TestBit(kTransportBit)) |
f4414561 | 1291 | { |
5ce21fc4 | 1292 | // Skip particles that have not been transported |
1293 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1294 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1295 | // |
1296 | // Loop over reference hits and find primary labels | |
1297 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1298 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1299 | Int_t label = tr->Label(); |
1300 | if (label == ip) { | |
fd650020 | 1301 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1302 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1303 | } |
1304 | } | |
3cac0921 | 1305 | } |
1306 | treeTR->Fill(); | |
fd650020 | 1307 | fTrackReferences.Clear(); |
5ce21fc4 | 1308 | ifills++; |
3cac0921 | 1309 | } // tracks |
5ce21fc4 | 1310 | // Check |
1311 | if (ifills != stack->GetNtrack()) | |
1312 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1313 | // |
1314 | // Clean-up | |
1315 | delete fTmpTreeTR; | |
1316 | fTmpFileTR->Close(); | |
1317 | delete fTmpFileTR; | |
fd650020 | 1318 | fTmpTrackReferences.Clear(); |
3cac0921 | 1319 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1320 | } | |
1321 |