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