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