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