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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), | |
73 | fTrackReferences(0), | |
74 | fTmpTrackReferences(0) | |
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), | |
99 | fTrackReferences(new TClonesArray("AliTrackReference", 100)), | |
100 | fTmpTrackReferences(new TClonesArray("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), | |
128 | fTrackReferences(0), | |
129 | fTmpTrackReferences(0) | |
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 | |
146 | if (fTrackReferences) { | |
147 | fTrackReferences->Delete(); | |
148 | delete fTrackReferences; | |
149 | fTrackReferences = 0; | |
150 | } | |
151 | ||
3cac0921 | 152 | if (fTmpTrackReferences) { |
153 | fTmpTrackReferences->Delete(); | |
154 | delete fTmpTrackReferences; | |
155 | fTmpTrackReferences = 0; | |
156 | } | |
157 | ||
5d12ce38 | 158 | } |
159 | ||
160 | //_______________________________________________________________________ | |
6c4904c2 | 161 | void AliMC::Copy(TObject &) const |
5d12ce38 | 162 | { |
d0d4a6b3 | 163 | //dummy Copy function |
21bf7095 | 164 | AliFatal("Not implemented!"); |
5d12ce38 | 165 | } |
166 | ||
167 | //_______________________________________________________________________ | |
168 | void AliMC::ConstructGeometry() | |
169 | { | |
170 | // | |
4a9de4af | 171 | // Either load geometry from file or create it through usual |
172 | // loop on detectors. In the first case the method | |
173 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
174 | // at InitGeometry(). | |
5d12ce38 | 175 | // |
176 | ||
ced249e6 | 177 | if(gAlice->IsRootGeometry()){ //load geometry either from CDB or from file |
178 | if(gAlice->IsGeomFromCDB()){ | |
179 | AliInfo("Loading geometry from CDB default storage"); | |
180 | AliCDBPath path("GRP","Geometry","Data"); | |
181 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
182 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
183 | entry->SetOwner(0); | |
184 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
185 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 186 | }else{ |
ced249e6 | 187 | // Load geometry |
188 | const char *geomfilename = gAlice->GetGeometryFileName(); | |
189 | if(gSystem->ExpandPathName(geomfilename)){ | |
190 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
191 | TGeoManager::Import(geomfilename); | |
192 | }else{ | |
193 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
194 | return; | |
195 | } | |
4a9de4af | 196 | } |
197 | }else{ | |
198 | // Create modules, materials, geometry | |
5d12ce38 | 199 | TStopwatch stw; |
200 | TIter next(gAlice->Modules()); | |
201 | AliModule *detector; | |
21bf7095 | 202 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 203 | while((detector = dynamic_cast<AliModule*>(next()))) { |
204 | stw.Start(); | |
205 | // Initialise detector materials and geometry | |
206 | detector->CreateMaterials(); | |
207 | detector->CreateGeometry(); | |
21bf7095 | 208 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
209 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 210 | } |
4a9de4af | 211 | } |
212 | ||
5d12ce38 | 213 | } |
214 | ||
39b3f8ba | 215 | //_______________________________________________________________________ |
216 | Bool_t AliMC::MisalignGeometry() | |
217 | { | |
218 | // Call misalignment code if AliSimulation object was defined. | |
0717eed2 | 219 | |
ced249e6 | 220 | if(!gAlice->IsRootGeometry()){ |
221 | //Set alignable volumes for the whole geometry | |
222 | SetAllAlignableVolumes(); | |
223 | } | |
0717eed2 | 224 | // Misalign geometry via AliSimulation instance |
39b3f8ba | 225 | if (!AliSimulation::GetInstance()) return kFALSE; |
392808e8 | 226 | AliGeomManager::SetGeometry(gGeoManager); |
39b3f8ba | 227 | return AliSimulation::GetInstance()->MisalignGeometry(gAlice->GetRunLoader()); |
228 | } | |
229 | ||
661663fa | 230 | //_______________________________________________________________________ |
231 | void AliMC::ConstructOpGeometry() | |
232 | { | |
233 | // | |
234 | // Loop all detector modules and call DefineOpticalProperties() method | |
235 | // | |
236 | ||
237 | TIter next(gAlice->Modules()); | |
238 | AliModule *detector; | |
239 | AliInfo("Optical properties definition"); | |
240 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
241 | // Initialise detector optical properties | |
242 | detector->DefineOpticalProperties(); | |
243 | } | |
244 | } | |
245 | ||
5d12ce38 | 246 | //_______________________________________________________________________ |
247 | void AliMC::InitGeometry() | |
248 | { | |
249 | // | |
27cf3cdc | 250 | // Initialize detectors |
5d12ce38 | 251 | // |
252 | ||
4a9de4af | 253 | AliInfo("Initialisation:"); |
254 | TStopwatch stw; | |
255 | TIter next(gAlice->Modules()); | |
256 | AliModule *detector; | |
257 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
258 | stw.Start(); | |
27cf3cdc | 259 | // Initialise detector geometry |
4a9de4af | 260 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); |
261 | detector->Init(); | |
4a9de4af | 262 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
263 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
264 | } | |
4787b401 | 265 | } |
266 | ||
267 | //_______________________________________________________________________ | |
268 | void AliMC::SetAllAlignableVolumes() | |
269 | { | |
270 | // | |
271 | // Add alignable volumes (TGeoPNEntries) looping on all | |
272 | // active modules | |
273 | // | |
274 | ||
275 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
276 | AliModule *detector; | |
277 | TIter next(gAlice->Modules()); | |
278 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
279 | detector->AddAlignableVolumes(); | |
280 | } | |
5d12ce38 | 281 | } |
282 | ||
283 | //_______________________________________________________________________ | |
2057aecb | 284 | void AliMC::GeneratePrimaries() |
5d12ce38 | 285 | { |
286 | // | |
287 | // Generate primary particles and fill them in the stack. | |
288 | // | |
289 | ||
290 | Generator()->Generate(); | |
291 | } | |
292 | ||
293 | //_______________________________________________________________________ | |
294 | void AliMC::SetGenerator(AliGenerator *generator) | |
295 | { | |
296 | // | |
297 | // Load the event generator | |
298 | // | |
299 | if(!fGenerator) fGenerator = generator; | |
300 | } | |
301 | ||
302 | //_______________________________________________________________________ | |
303 | void AliMC::ResetGenerator(AliGenerator *generator) | |
304 | { | |
305 | // | |
306 | // Load the event generator | |
307 | // | |
9a213abc | 308 | if(fGenerator) { |
309 | if(generator) { | |
21bf7095 | 310 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 311 | fGenerator->GetName(),generator->GetName())); |
312 | } | |
313 | else { | |
21bf7095 | 314 | AliWarning(Form("Replacing generator %s with NULL", |
315 | fGenerator->GetName())); | |
9a213abc | 316 | } |
317 | } | |
5d12ce38 | 318 | fGenerator = generator; |
319 | } | |
320 | ||
321 | //_______________________________________________________________________ | |
322 | void AliMC::FinishRun() | |
323 | { | |
324 | // Clean generator information | |
21bf7095 | 325 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 326 | fGenerator->FinishRun(); |
327 | ||
328 | //Output energy summary tables | |
21bf7095 | 329 | AliDebug(1, "EnergySummary()"); |
330 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 331 | } |
332 | ||
333 | //_______________________________________________________________________ | |
334 | void AliMC::BeginPrimary() | |
335 | { | |
336 | // | |
337 | // Called at the beginning of each primary track | |
338 | // | |
339 | ||
340 | // Reset Hits info | |
341 | ResetHits(); | |
342 | ResetTrackReferences(); | |
5d12ce38 | 343 | } |
344 | ||
345 | //_______________________________________________________________________ | |
346 | void AliMC::PreTrack() | |
347 | { | |
d0d4a6b3 | 348 | // Actions before the track's transport |
5d12ce38 | 349 | TObjArray &dets = *gAlice->Modules(); |
350 | AliModule *module; | |
351 | ||
352 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
353 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
354 | module->PreTrack(); | |
355 | ||
356 | fMCQA->PreTrack(); | |
357 | } | |
358 | ||
359 | //_______________________________________________________________________ | |
360 | void AliMC::Stepping() | |
361 | { | |
362 | // | |
363 | // Called at every step during transport | |
364 | // | |
0561efeb | 365 | |
38ca2ad6 | 366 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 367 | if (id < 0) return; |
368 | ||
0561efeb | 369 | |
370 | if ( gMC->IsNewTrack() && | |
371 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 372 | fRDecayMin >= 0. && |
0561efeb | 373 | fRDecayMax > fRDecayMin && |
374 | gMC->TrackPid() == fDecayPdg ) | |
375 | { | |
376 | FixParticleDecaytime(); | |
377 | } | |
378 | ||
379 | ||
380 | ||
5d12ce38 | 381 | // |
382 | // --- If lego option, do it and leave | |
383 | if (gAlice->Lego()) | |
384 | gAlice->Lego()->StepManager(); | |
385 | else { | |
386 | Int_t copy; | |
387 | //Update energy deposition tables | |
388 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 389 | // |
390 | // write tracke reference for track which is dissapearing - MI | |
b60e0f5e | 391 | if (gMC->IsTrackDisappeared()) { |
9ac3aec9 | 392 | if (gMC->Etot()>0.05) AddTrackReference(GetCurrentTrackNumber(), |
393 | AliTrackReference::kDisappeared); | |
b60e0f5e | 394 | } |
5d12ce38 | 395 | |
396 | //Call the appropriate stepping routine; | |
397 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
398 | if(det && det->StepManagerIsEnabled()) { | |
e569033b | 399 | if(AliLog::GetGlobalDebugLevel()>0) fMCQA->StepManager(id); |
5d12ce38 | 400 | det->StepManager(); |
401 | } | |
402 | } | |
403 | } | |
404 | ||
405 | //_______________________________________________________________________ | |
406 | void AliMC::EnergySummary() | |
407 | { | |
9ac3aec9 | 408 | //e |
5d12ce38 | 409 | // Print summary of deposited energy |
410 | // | |
411 | ||
412 | Int_t ndep=0; | |
413 | Float_t edtot=0; | |
414 | Float_t ed, ed2; | |
415 | Int_t kn, i, left, j, id; | |
416 | const Float_t kzero=0; | |
417 | Int_t ievent=gAlice->GetRunLoader()->GetHeader()->GetEvent()+1; | |
418 | // | |
419 | // Energy loss information | |
420 | if(ievent) { | |
421 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
422 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
423 | ed=fSummEnergy[kn]; | |
424 | if(ed>0) { | |
425 | fEventEnergy[ndep]=kn; | |
426 | if(ievent>1) { | |
427 | ed=ed/ievent; | |
428 | ed2=fSum2Energy[kn]; | |
429 | ed2=ed2/ievent; | |
430 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
431 | } else | |
432 | ed2=99; | |
433 | fSummEnergy[ndep]=ed; | |
434 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
435 | edtot+=ed; | |
436 | ndep++; | |
437 | } | |
438 | } | |
439 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
440 | left=ndep-kn*3; | |
441 | for(i=0;i<(3<left?3:left);i++) { | |
442 | j=kn*3+i; | |
443 | id=Int_t (fEventEnergy[j]+0.1); | |
444 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
445 | } | |
446 | printf("\n"); | |
447 | } | |
448 | // | |
449 | // Relative energy loss in different detectors | |
450 | printf("******************** Relative Energy Loss per event ********************\n"); | |
451 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
452 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
453 | left=ndep-kn*5; | |
454 | for(i=0;i<(5<left?5:left);i++) { | |
455 | j=kn*5+i; | |
456 | id=Int_t (fEventEnergy[j]+0.1); | |
457 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
458 | } | |
459 | printf("\n"); | |
460 | } | |
461 | for(kn=0;kn<75;kn++) printf("*"); | |
462 | printf("\n"); | |
463 | } | |
464 | // | |
465 | // Reset the TArray's | |
466 | // fEventEnergy.Set(0); | |
467 | // fSummEnergy.Set(0); | |
468 | // fSum2Energy.Set(0); | |
469 | } | |
470 | ||
471 | //_____________________________________________________________________________ | |
472 | void AliMC::BeginEvent() | |
473 | { | |
474 | // | |
475 | // Clean-up previous event | |
476 | // Energy scores | |
21bf7095 | 477 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
478 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
479 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
480 | AliDebug(1, " BEGINNING EVENT "); | |
481 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
482 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
483 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 484 | |
3cac0921 | 485 | AliRunLoader *runloader=gAlice->GetRunLoader(); |
5d12ce38 | 486 | |
487 | /*******************************/ | |
488 | /* Clean after eventual */ | |
489 | /* previous event */ | |
490 | /*******************************/ | |
491 | ||
492 | ||
493 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
494 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
495 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 496 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 497 | |
498 | fEventEnergy.Reset(); | |
499 | // Clean detector information | |
500 | ||
501 | if (runloader->Stack()) | |
3cac0921 | 502 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 503 | else |
3cac0921 | 504 | runloader->MakeStack();//or make a new one |
504b172d | 505 | |
9ac3aec9 | 506 | |
3cac0921 | 507 | if(gAlice->Lego() == 0x0) |
508 | { | |
509 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
510 | runloader->MakeTree("K"); | |
511 | } | |
512 | ||
21bf7095 | 513 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
5d12ce38 | 514 | gMC->SetStack(gAlice->GetRunLoader()->Stack());//Was in InitMC - but was moved here |
515 | //because we don't have guarantee that | |
516 | //stack pointer is not going to change from event to event | |
517 | //since it bellobgs to header and is obtained via RunLoader | |
518 | // | |
519 | // Reset all Detectors & kinematics & make/reset trees | |
520 | // | |
521 | ||
522 | runloader->GetHeader()->Reset(gAlice->GetRunNumber(),gAlice->GetEvNumber(), | |
3cac0921 | 523 | gAlice->GetEventNrInRun()); |
5d12ce38 | 524 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
525 | ||
504b172d | 526 | if(gAlice->Lego()) |
3cac0921 | 527 | { |
528 | gAlice->Lego()->BeginEvent(); | |
529 | return; | |
530 | } | |
504b172d | 531 | |
5d12ce38 | 532 | |
21bf7095 | 533 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 534 | ResetHits(); |
504b172d | 535 | |
21bf7095 | 536 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 537 | runloader->MakeTree("H"); |
504b172d | 538 | |
5d12ce38 | 539 | |
5d12ce38 | 540 | |
3cac0921 | 541 | MakeTmpTrackRefsTree(); |
5d12ce38 | 542 | //create new branches and SetAdresses |
543 | TIter next(gAlice->Modules()); | |
544 | AliModule *detector; | |
545 | while((detector = (AliModule*)next())) | |
546 | { | |
3cac0921 | 547 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
548 | detector->MakeBranch("H"); | |
5d12ce38 | 549 | } |
550 | } | |
551 | ||
552 | //_______________________________________________________________________ | |
553 | void AliMC::ResetHits() | |
554 | { | |
555 | // | |
556 | // Reset all Detectors hits | |
557 | // | |
558 | TIter next(gAlice->Modules()); | |
559 | AliModule *detector; | |
560 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
561 | detector->ResetHits(); | |
562 | } | |
563 | } | |
564 | ||
565 | //_______________________________________________________________________ | |
566 | void AliMC::PostTrack() | |
567 | { | |
d0d4a6b3 | 568 | // Posts tracks for each module |
4a9de4af | 569 | TObjArray &dets = *gAlice->Modules(); |
570 | AliModule *module; | |
571 | ||
572 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
573 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
574 | module->PostTrack(); | |
5d12ce38 | 575 | } |
576 | ||
577 | //_______________________________________________________________________ | |
578 | void AliMC::FinishPrimary() | |
579 | { | |
580 | // | |
581 | // Called at the end of each primary track | |
582 | // | |
583 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
584 | // static Int_t count=0; | |
585 | // const Int_t times=10; | |
586 | // This primary is finished, purify stack | |
c75cfb51 | 587 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 588 | if (!(gMC->SecondariesAreOrdered())) { |
589 | runloader->Stack()->ReorderKine(); | |
590 | RemapHits(); | |
591 | } | |
c75cfb51 | 592 | #endif |
5d12ce38 | 593 | runloader->Stack()->PurifyKine(); |
942a9039 | 594 | RemapHits(); |
504b172d | 595 | |
5d12ce38 | 596 | TIter next(gAlice->Modules()); |
597 | AliModule *detector; | |
598 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
599 | detector->FinishPrimary(); | |
504b172d | 600 | AliLoader* loader = detector->GetLoader(); |
601 | if(loader) | |
602 | { | |
603 | TTree* treeH = loader->TreeH(); | |
604 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
605 | } | |
5d12ce38 | 606 | } |
607 | ||
608 | // Write out track references if any | |
3cac0921 | 609 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 610 | } |
611 | ||
942a9039 | 612 | void AliMC::RemapHits() |
613 | { | |
614 | // | |
615 | // Remaps the track labels of the hits | |
616 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
617 | AliStack* stack = runloader->Stack(); | |
618 | TList* hitLists = GetHitLists(); | |
619 | TIter next(hitLists); | |
620 | TCollection *hitList; | |
621 | ||
622 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
623 | TIter nexthit(hitList); | |
624 | AliHit *hit; | |
625 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
626 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
627 | } | |
628 | } | |
629 | ||
630 | // | |
631 | // This for detectors which have a special mapping mechanism | |
632 | // for hits, such as TPC and TRD | |
633 | // | |
634 | ||
635 | TObjArray* modules = gAlice->Modules(); | |
636 | TIter nextmod(modules); | |
9ac3aec9 | 637 | AliDetector *detector; |
638 | while((detector = dynamic_cast<AliDetector*>(nextmod()))) { | |
942a9039 | 639 | detector->RemapTrackHitIDs(stack->TrackLabelMap()); |
942a9039 | 640 | } |
641 | // | |
642 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
643 | } | |
644 | ||
5d12ce38 | 645 | //_______________________________________________________________________ |
646 | void AliMC::FinishEvent() | |
647 | { | |
648 | // | |
649 | // Called at the end of the event. | |
650 | // | |
651 | ||
652 | // | |
38ca2ad6 | 653 | |
5d12ce38 | 654 | if(gAlice->Lego()) gAlice->Lego()->FinishEvent(); |
655 | ||
656 | TIter next(gAlice->Modules()); | |
657 | AliModule *detector; | |
658 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
659 | detector->FinishEvent(); | |
660 | } | |
661 | ||
662 | //Update the energy deposit tables | |
663 | Int_t i; | |
664 | for(i=0;i<fEventEnergy.GetSize();i++) | |
665 | { | |
666 | fSummEnergy[i]+=fEventEnergy[i]; | |
667 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
668 | } | |
669 | ||
670 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
671 | ||
672 | AliHeader* header = runloader->GetHeader(); | |
673 | AliStack* stack = runloader->Stack(); | |
674 | if ( (header == 0x0) || (stack == 0x0) ) | |
675 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 676 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 677 | return;//never reached |
678 | } | |
679 | // Update Header information | |
680 | header->SetNprimary(stack->GetNprimary()); | |
681 | header->SetNtrack(stack->GetNtrack()); | |
682 | ||
5d12ce38 | 683 | // Write out the kinematics |
38ca2ad6 | 684 | if (!gAlice->Lego()) stack->FinishEvent(); |
3cac0921 | 685 | |
686 | // Synchronize the TreeTR with TreeK | |
687 | ReorderAndExpandTreeTR(); | |
5d12ce38 | 688 | |
689 | // Write out the event Header information | |
690 | TTree* treeE = runloader->TreeE(); | |
691 | if (treeE) | |
692 | { | |
693 | header->SetStack(stack); | |
694 | treeE->Fill(); | |
695 | } | |
696 | else | |
697 | { | |
21bf7095 | 698 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 699 | } |
700 | ||
504b172d | 701 | if(gAlice->Lego() == 0x0) |
702 | { | |
703 | runloader->WriteKinematics("OVERWRITE"); | |
704 | runloader->WriteTrackRefs("OVERWRITE"); | |
705 | runloader->WriteHits("OVERWRITE"); | |
706 | } | |
707 | ||
21bf7095 | 708 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
709 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
710 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
711 | AliDebug(1, " FINISHING EVENT "); | |
712 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
713 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
714 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 715 | } |
716 | ||
717 | //_______________________________________________________________________ | |
718 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
719 | { | |
d0d4a6b3 | 720 | // Calculates field "b" at point "x" |
5d12ce38 | 721 | gAlice->Field(x,b); |
722 | } | |
723 | ||
724 | //_______________________________________________________________________ | |
725 | void AliMC::Init() | |
726 | { | |
d0d4a6b3 | 727 | // MC initialization |
5d12ce38 | 728 | |
729 | //=================Create Materials and geometry | |
730 | gMC->Init(); | |
4e889ff4 | 731 | // Set alignable volumes for the whole geometry (with old root) |
732 | #if ROOT_VERSION_CODE < 331527 | |
733 | SetAllAlignableVolumes(); | |
734 | #endif | |
5d12ce38 | 735 | //Read the cuts for all materials |
736 | ReadTransPar(); | |
737 | //Build the special IMEDIA table | |
738 | MediaTable(); | |
739 | ||
740 | //Compute cross-sections | |
741 | gMC->BuildPhysics(); | |
742 | ||
5d12ce38 | 743 | //Initialise geometry deposition table |
744 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
745 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
746 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
747 | ||
748 | // | |
749 | fMCQA = new AliMCQA(gAlice->GetNdets()); | |
750 | ||
751 | // Register MC in configuration | |
752 | AliConfig::Instance()->Add(gMC); | |
753 | ||
754 | } | |
755 | ||
756 | //_______________________________________________________________________ | |
757 | void AliMC::MediaTable() | |
758 | { | |
759 | // | |
760 | // Built media table to get from the media number to | |
761 | // the detector id | |
762 | // | |
763 | ||
764 | Int_t kz, nz, idt, lz, i, k, ind; | |
765 | // Int_t ibeg; | |
766 | TObjArray &dets = *gAlice->Detectors(); | |
767 | AliModule *det; | |
768 | Int_t ndets=gAlice->GetNdets(); | |
769 | // | |
770 | // For all detectors | |
771 | for (kz=0;kz<ndets;kz++) { | |
772 | // If detector is defined | |
773 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
774 | TArrayI &idtmed = *(det->GetIdtmed()); | |
775 | for(nz=0;nz<100;nz++) { | |
0561efeb | 776 | |
5d12ce38 | 777 | // Find max and min material number |
778 | if((idt=idtmed[nz])) { | |
779 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
780 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
781 | } | |
782 | } | |
783 | if(det->LoMedium() > det->HiMedium()) { | |
784 | det->LoMedium() = 0; | |
785 | det->HiMedium() = 0; | |
786 | } else { | |
787 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 788 | AliError(Form("Increase fImedia from %d to %d", |
789 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 790 | return; |
791 | } | |
792 | // Tag all materials in rage as belonging to detector kz | |
793 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
794 | (*fImedia)[lz]=kz; | |
795 | } | |
796 | } | |
797 | } | |
798 | } | |
799 | // | |
800 | // Print summary table | |
21bf7095 | 801 | AliInfo("Tracking media ranges:"); |
802 | ToAliInfo( | |
5d12ce38 | 803 | for(i=0;i<(ndets-1)/6+1;i++) { |
804 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
805 | ind=i*6+k; | |
806 | det=dynamic_cast<AliModule*>(dets[ind]); | |
807 | if(det) | |
808 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
809 | det->HiMedium()); | |
810 | else | |
811 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
812 | } | |
813 | printf("\n"); | |
814 | } | |
21bf7095 | 815 | ) |
5d12ce38 | 816 | } |
817 | ||
818 | //_______________________________________________________________________ | |
819 | void AliMC::ReadTransPar() | |
820 | { | |
821 | // | |
822 | // Read filename to set the transport parameters | |
823 | // | |
824 | ||
825 | ||
826 | const Int_t kncuts=10; | |
827 | const Int_t knflags=11; | |
828 | const Int_t knpars=kncuts+knflags; | |
829 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
830 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
831 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
832 | "MULS","PAIR","PHOT","RAYL"}; | |
833 | char line[256]; | |
834 | char detName[7]; | |
835 | char* filtmp; | |
836 | Float_t cut[kncuts]; | |
837 | Int_t flag[knflags]; | |
838 | Int_t i, itmed, iret, ktmed, kz; | |
839 | FILE *lun; | |
840 | // | |
841 | // See whether the file is there | |
842 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
843 | lun=fopen(filtmp,"r"); | |
844 | delete [] filtmp; | |
845 | if(!lun) { | |
21bf7095 | 846 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 847 | return; |
848 | } | |
849 | // | |
5d12ce38 | 850 | while(1) { |
851 | // Initialise cuts and flags | |
852 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
853 | for(i=0;i<knflags;i++) flag[i]=-99; | |
854 | itmed=0; | |
855 | for(i=0;i<256;i++) line[i]='\0'; | |
856 | // Read up to the end of line excluded | |
857 | iret=fscanf(lun,"%[^\n]",line); | |
858 | if(iret<0) { | |
859 | //End of file | |
860 | fclose(lun); | |
5d12ce38 | 861 | return; |
862 | } | |
863 | // Read the end of line | |
864 | fscanf(lun,"%*c"); | |
865 | if(!iret) continue; | |
866 | if(line[0]=='*') continue; | |
867 | // Read the numbers | |
868 | 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", | |
869 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
870 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
871 | &flag[8],&flag[9],&flag[10]); | |
872 | if(!iret) continue; | |
873 | if(iret<0) { | |
874 | //reading error | |
21bf7095 | 875 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 876 | continue; |
877 | } | |
878 | // Check that the module exist | |
879 | AliModule *mod = gAlice->GetModule(detName); | |
880 | if(mod) { | |
881 | // Get the array of media numbers | |
882 | TArrayI &idtmed = *mod->GetIdtmed(); | |
883 | // Check that the tracking medium code is valid | |
884 | if(0<=itmed && itmed < 100) { | |
885 | ktmed=idtmed[itmed]; | |
886 | if(!ktmed) { | |
21bf7095 | 887 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 888 | continue; |
889 | } | |
890 | // Set energy thresholds | |
891 | for(kz=0;kz<kncuts;kz++) { | |
892 | if(cut[kz]>=0) { | |
21bf7095 | 893 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
894 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 895 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
896 | } | |
897 | } | |
898 | // Set transport mechanisms | |
899 | for(kz=0;kz<knflags;kz++) { | |
900 | if(flag[kz]>=0) { | |
21bf7095 | 901 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
902 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 903 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
904 | } | |
905 | } | |
906 | } else { | |
21bf7095 | 907 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 908 | continue; |
909 | } | |
910 | } else { | |
21bf7095 | 911 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 912 | continue; |
913 | } | |
914 | } | |
915 | } | |
916 | ||
917 | //_______________________________________________________________________ | |
918 | void AliMC::SetTransPar(const char *filename) | |
919 | { | |
920 | // | |
921 | // Sets the file name for transport parameters | |
922 | // | |
923 | fTransParName = filename; | |
924 | } | |
925 | ||
926 | //_______________________________________________________________________ | |
0054628d | 927 | void AliMC::Browse(TBrowser *b) |
5d12ce38 | 928 | { |
929 | // | |
930 | // Called when the item "Run" is clicked on the left pane | |
931 | // of the Root browser. | |
932 | // It displays the Root Trees and all detectors. | |
933 | // | |
934 | //detectors are in folders anyway | |
935 | b->Add(fMCQA,"AliMCQA"); | |
936 | } | |
937 | ||
5d12ce38 | 938 | //_______________________________________________________________________ |
939 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
940 | { | |
941 | // | |
942 | // Add a hit to detector id | |
943 | // | |
944 | TObjArray &dets = *gAlice->Modules(); | |
945 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
946 | } | |
947 | ||
948 | //_______________________________________________________________________ | |
949 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
950 | { | |
951 | // | |
952 | // Add digit to detector id | |
953 | // | |
954 | TObjArray &dets = *gAlice->Modules(); | |
955 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
956 | } | |
957 | ||
958 | //_______________________________________________________________________ | |
959 | Int_t AliMC::GetCurrentTrackNumber() const { | |
960 | // | |
961 | // Returns current track | |
962 | // | |
963 | return gAlice->GetRunLoader()->Stack()->GetCurrentTrackNumber(); | |
964 | } | |
965 | ||
966 | //_______________________________________________________________________ | |
967 | void AliMC::DumpPart (Int_t i) const | |
968 | { | |
969 | // | |
970 | // Dumps particle i in the stack | |
971 | // | |
972 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
973 | if (runloader->Stack()) | |
974 | runloader->Stack()->DumpPart(i); | |
975 | } | |
976 | ||
977 | //_______________________________________________________________________ | |
978 | void AliMC::DumpPStack () const | |
979 | { | |
980 | // | |
981 | // Dumps the particle stack | |
982 | // | |
983 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
984 | if (runloader->Stack()) | |
985 | runloader->Stack()->DumpPStack(); | |
986 | } | |
987 | ||
988 | //_______________________________________________________________________ | |
989 | Int_t AliMC::GetNtrack() const { | |
990 | // | |
991 | // Returns number of tracks in stack | |
992 | // | |
993 | Int_t ntracks = -1; | |
994 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
995 | if (runloader->Stack()) | |
996 | ntracks = runloader->Stack()->GetNtrack(); | |
997 | return ntracks; | |
998 | } | |
999 | ||
1000 | //_______________________________________________________________________ | |
1001 | Int_t AliMC::GetPrimary(Int_t track) const | |
1002 | { | |
1003 | // | |
1004 | // return number of primary that has generated track | |
1005 | // | |
1006 | Int_t nprimary = -999; | |
1007 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1008 | if (runloader->Stack()) | |
1009 | nprimary = runloader->Stack()->GetPrimary(track); | |
1010 | return nprimary; | |
1011 | } | |
1012 | ||
1013 | //_______________________________________________________________________ | |
1014 | TParticle* AliMC::Particle(Int_t i) const | |
1015 | { | |
d0d4a6b3 | 1016 | // Returns the i-th particle from the stack taking into account |
1017 | // the remaping done by PurifyKine | |
5d12ce38 | 1018 | AliRunLoader * runloader = gAlice->GetRunLoader(); |
1019 | if (runloader) | |
1020 | if (runloader->Stack()) | |
1021 | return runloader->Stack()->Particle(i); | |
1022 | return 0x0; | |
1023 | } | |
1024 | ||
1025 | //_______________________________________________________________________ | |
1026 | TObjArray* AliMC::Particles() const { | |
1027 | // | |
1028 | // Returns pointer to Particles array | |
1029 | // | |
1030 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1031 | if (runloader) | |
1032 | if (runloader->Stack()) | |
1033 | return runloader->Stack()->Particles(); | |
1034 | return 0x0; | |
1035 | } | |
1036 | ||
1037 | //_______________________________________________________________________ | |
1038 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
1039 | Float_t *vpos, Float_t *polar, Float_t tof, | |
2057aecb | 1040 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1041 | { |
1042 | // Delegate to stack | |
1043 | // | |
1044 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1045 | if (runloader) | |
1046 | if (runloader->Stack()) | |
1047 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1048 | mech, ntr, weight, is); | |
1049 | } | |
1050 | ||
1051 | //_______________________________________________________________________ | |
1052 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1053 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1054 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1055 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1056 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1057 | { |
1058 | // Delegate to stack | |
1059 | // | |
1060 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1061 | if (runloader) | |
1062 | if (runloader->Stack()) | |
1063 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1064 | polx, poly, polz, mech, ntr, weight, is); | |
1065 | } | |
1066 | ||
1067 | //_______________________________________________________________________ | |
2057aecb | 1068 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1069 | { |
1070 | // | |
1071 | // Set high water mark for last track in event | |
1072 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1073 | if (runloader) | |
1074 | if (runloader->Stack()) | |
1075 | runloader->Stack()->SetHighWaterMark(nt); | |
1076 | } | |
1077 | ||
1078 | //_______________________________________________________________________ | |
2057aecb | 1079 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1080 | { |
1081 | // | |
1082 | // Delegate to stack | |
1083 | // | |
1084 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1085 | if (runloader) | |
1086 | if (runloader->Stack()) | |
1087 | runloader->Stack()->KeepTrack(track); | |
1088 | } | |
1089 | ||
1090 | //_______________________________________________________________________ | |
2057aecb | 1091 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1092 | { |
1093 | // Delegate to stack | |
1094 | // | |
1095 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1096 | if (runloader) | |
1097 | if (runloader->Stack()) | |
1098 | runloader->Stack()->FlagTrack(track); | |
1099 | } | |
1100 | ||
1101 | //_______________________________________________________________________ | |
2057aecb | 1102 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1103 | { |
1104 | // | |
1105 | // Set current track number | |
1106 | // | |
1107 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1108 | if (runloader) | |
1109 | if (runloader->Stack()) | |
1110 | runloader->Stack()->SetCurrentTrack(track); | |
1111 | } | |
1112 | ||
1113 | //_______________________________________________________________________ | |
9ac3aec9 | 1114 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1115 | { | |
5d12ce38 | 1116 | // |
1117 | // add a trackrefernce to the list | |
1118 | if (!fTrackReferences) { | |
21bf7095 | 1119 | AliError("Container trackrefernce not active"); |
9ac3aec9 | 1120 | return NULL; |
5d12ce38 | 1121 | } |
9ac3aec9 | 1122 | Int_t primary = GetPrimary(label); |
1123 | Particle(primary)->SetBit(kKeepBit); | |
1124 | ||
3cac0921 | 1125 | Int_t nref = fTmpTrackReferences->GetEntriesFast(); |
1126 | TClonesArray &lref = *fTmpTrackReferences; | |
9ac3aec9 | 1127 | return new(lref[nref]) AliTrackReference(label, id); |
5d12ce38 | 1128 | } |
1129 | ||
1130 | ||
1131 | ||
1132 | //_______________________________________________________________________ | |
1133 | void AliMC::ResetTrackReferences() | |
1134 | { | |
1135 | // | |
1136 | // Reset all references | |
1137 | // | |
3cac0921 | 1138 | if (fTmpTrackReferences) fTmpTrackReferences->Clear(); |
5d12ce38 | 1139 | } |
1140 | ||
1141 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1142 | { | |
1143 | // | |
1144 | // Remapping track reference | |
1145 | // Called at finish primary | |
1146 | // | |
3cac0921 | 1147 | if (!fTmpTrackReferences) return; |
1148 | Int_t nEntries = fTmpTrackReferences->GetEntries(); | |
4e490a96 | 1149 | for (Int_t i=0; i < nEntries; i++){ |
3cac0921 | 1150 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences->UncheckedAt(i)); |
4e490a96 | 1151 | if (ref) { |
1152 | Int_t newID = map[ref->GetTrack()]; | |
1153 | if (newID>=0) ref->SetTrack(newID); | |
1154 | else { | |
1155 | ref->SetBit(kNotDeleted,kFALSE); | |
3cac0921 | 1156 | fTmpTrackReferences->RemoveAt(i); |
4e490a96 | 1157 | } |
1158 | } // if ref | |
5d12ce38 | 1159 | } |
3cac0921 | 1160 | fTmpTrackReferences->Compress(); |
5d12ce38 | 1161 | } |
0561efeb | 1162 | |
1163 | void AliMC::FixParticleDecaytime() | |
1164 | { | |
1165 | // | |
1166 | // Fix the particle decay time according to rmin and rmax for decays | |
1167 | // | |
1168 | ||
1169 | TLorentzVector p; | |
1170 | gMC->TrackMomentum(p); | |
1171 | Double_t tmin, tmax; | |
1172 | Double_t b; | |
1173 | ||
1174 | // Transverse velocity | |
1175 | Double_t vt = p.Pt() / p.E(); | |
1176 | ||
1177 | if ((b = gAlice->Field()->SolenoidField()) > 0.) { // [kG] | |
1178 | ||
1179 | // Radius of helix | |
1180 | ||
1181 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1182 | ||
1183 | // Revolution frequency | |
1184 | ||
1185 | Double_t omega = vt / rho; | |
1186 | ||
1187 | // Maximum and minimum decay time | |
1188 | // | |
1189 | // Check for curlers first | |
1190 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1191 | ||
1192 | // | |
1193 | ||
1194 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1195 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1196 | } else { | |
1197 | tmax = fRDecayMax / vt; // [ct] | |
1198 | tmin = fRDecayMin / vt; // [ct] | |
1199 | } | |
1200 | ||
1201 | // | |
1202 | // Dial t using the two limits | |
1203 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1204 | // | |
1205 | // | |
1206 | // Force decay time in transport code | |
1207 | // | |
fa7ca4da | 1208 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1209 | } |
3cac0921 | 1210 | |
1211 | void AliMC::MakeTmpTrackRefsTree() | |
1212 | { | |
1213 | // Make the temporary track reference tree | |
1214 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1215 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
1216 | if (!fTmpTrackReferences) fTmpTrackReferences = new TClonesArray("AliTrackReference", 100); | |
1217 | fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &fTmpTrackReferences, 4000); | |
1218 | } | |
1219 | ||
1220 | void AliMC::ReorderAndExpandTreeTR() | |
1221 | { | |
1222 | // | |
1223 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1224 | // | |
1225 | ||
1226 | AliRunLoader *rl = gAlice->GetRunLoader(); | |
1227 | // | |
1228 | // TreeTR | |
1229 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1230 | rl->MakeTrackRefsContainer(); | |
1231 | TTree * treeTR = rl->TreeTR(); | |
1232 | if (treeTR){ | |
1233 | // make branch for central track references | |
1234 | if (!fTrackReferences) fTrackReferences = new TClonesArray("AliTrackReference",0); | |
1235 | TBranch *branch; | |
1236 | branch = treeTR->Branch("TrackReferences",&fTrackReferences); | |
1237 | branch->SetAddress(&fTrackReferences); | |
1238 | } | |
1239 | ||
1240 | AliStack* stack = rl->Stack(); | |
1241 | Int_t np = stack->GetNprimary(); | |
1242 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1243 | // |
1244 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1245 | Int_t ifills = 0; |
1246 | Int_t it = 0; | |
1247 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1248 | TParticle *part = stack->Particle(ip); | |
2c4e7c77 | 1249 | // printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
1250 | ||
5ce21fc4 | 1251 | // Skip primaries that have not been transported |
3cac0921 | 1252 | Int_t dau1 = part->GetFirstDaughter(); |
1253 | Int_t dau2 = -1; | |
f4414561 | 1254 | // if ((dau1 > -1 && dau1 < np) || part->GetStatusCode() > 1) continue; |
1255 | if (!part->TestBit(kTransportBit)) continue; | |
5ce21fc4 | 1256 | // |
1257 | fTmpTreeTR->GetEntry(it++); | |
1258 | Int_t nh = fTmpTrackReferences->GetEntries(); | |
1259 | // Determine range of secondaries produced by this primary | |
3cac0921 | 1260 | if (dau1 > -1) { |
5ce21fc4 | 1261 | Int_t inext = ip - 1; |
3cac0921 | 1262 | while (dau2 < 0) { |
1263 | if (inext >= 0) { | |
1264 | part = stack->Particle(inext); | |
5ce21fc4 | 1265 | dau2 = part->GetFirstDaughter(); |
1266 | if (dau2 == -1 || dau2 < np) { | |
1267 | dau2 = -1; | |
1268 | } else { | |
1269 | dau2--; | |
1270 | } | |
3cac0921 | 1271 | } else { |
1272 | dau2 = stack->GetNtrack() - 1; | |
1273 | } | |
1274 | inext--; | |
5ce21fc4 | 1275 | } // find upper bound |
1276 | } // dau2 < 0 | |
2c4e7c77 | 1277 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
1278 | ||
3cac0921 | 1279 | // |
1280 | // Loop over reference hits and find secondary label | |
1281 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1282 | for (Int_t ih = 0; ih < nh; ih++) { | |
1283 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences->At(ih); | |
1284 | Int_t label = tr->Label(); | |
5ce21fc4 | 1285 | // Skip primaries |
1286 | if (label == ip) continue; | |
2c4e7c77 | 1287 | if (label > dau2 || label < dau1) |
1288 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1289 | if (label == id) { |
1290 | // secondary found | |
1291 | Int_t nref = fTrackReferences->GetEntriesFast(); | |
1292 | TClonesArray &lref = *fTrackReferences; | |
1293 | new(lref[nref]) AliTrackReference(*tr); | |
1294 | } | |
1295 | } // hits | |
1296 | treeTR->Fill(); | |
1297 | fTrackReferences->Clear(); | |
5ce21fc4 | 1298 | ifills++; |
3cac0921 | 1299 | } // daughters |
1300 | } // tracks | |
3cac0921 | 1301 | // |
1302 | // Now loop again and write the primaries | |
5ce21fc4 | 1303 | it = nt - 1; |
1304 | for (Int_t ip = 0; ip < np; ip++) { | |
1305 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1306 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1307 | if (part->TestBit(kTransportBit)) |
f4414561 | 1308 | { |
5ce21fc4 | 1309 | // Skip particles that have not been transported |
1310 | fTmpTreeTR->GetEntry(it--); | |
1311 | Int_t nh = fTmpTrackReferences->GetEntries(); | |
1312 | // | |
1313 | // Loop over reference hits and find primary labels | |
1314 | for (Int_t ih = 0; ih < nh; ih++) { | |
1315 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences->At(ih); | |
1316 | Int_t label = tr->Label(); | |
1317 | if (label == ip) { | |
1318 | Int_t nref = fTrackReferences->GetEntriesFast(); | |
1319 | TClonesArray &lref = *fTrackReferences; | |
1320 | new(lref[nref]) AliTrackReference(*tr); | |
1321 | } | |
1322 | } | |
3cac0921 | 1323 | } |
1324 | treeTR->Fill(); | |
1325 | fTrackReferences->Clear(); | |
5ce21fc4 | 1326 | ifills++; |
3cac0921 | 1327 | } // tracks |
5ce21fc4 | 1328 | // Check |
1329 | if (ifills != stack->GetNtrack()) | |
1330 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1331 | // |
1332 | // Clean-up | |
1333 | delete fTmpTreeTR; | |
1334 | fTmpFileTR->Close(); | |
1335 | delete fTmpFileTR; | |
1336 | delete fTmpTrackReferences; | |
1337 | fTmpTrackReferences = 0; | |
1338 | gSystem->Exec("rm -rf TrackRefsTmp.root"); | |
1339 | } | |
1340 |