Compilation warnings
[u/mrichter/AliRoot.git] / STEER / STEER / AliMC.cxx
CommitLineData
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
01a0f5d0 24#include <string.h>
25
c75cfb51 26#include <RVersion.h>
3e2e3ece 27#include <TArrayI.h>
7ca4655f 28#include <TClonesArray.h>
3e2e3ece 29#include <TFile.h>
f7a1cc68 30#include <TGeoGlobalMagField.h>
7ca4655f 31#include <TGeoManager.h>
3e2e3ece 32#include <TParticle.h>
33#include <TROOT.h>
5d12ce38 34#include <TStopwatch.h>
35#include <TSystem.h>
36#include <TVirtualMC.h>
c93255fe 37#include <TTree.h>
b60e0f5e 38
3e2e3ece 39#include "AliCDBEntry.h"
40#include "AliCDBManager.h"
41#include "AliCDBStorage.h"
5d12ce38 42#include "AliDetector.h"
43#include "AliGenerator.h"
3e2e3ece 44#include "AliGeomManager.h"
5d12ce38 45#include "AliHeader.h"
3e2e3ece 46#include "AliHit.h"
5d12ce38 47#include "AliLego.h"
3e2e3ece 48#include "AliLog.h"
5d12ce38 49#include "AliMC.h"
3e2e3ece 50#include "AliMagF.h"
5d12ce38 51#include "AliRun.h"
3e2e3ece 52#include "AliSimulation.h"
5d12ce38 53#include "AliStack.h"
54#include "AliTrackReference.h"
5d12ce38 55
56ClassImp(AliMC)
57
58//_______________________________________________________________________
59AliMC::AliMC() :
60 fGenerator(0),
61 fEventEnergy(0),
62 fSummEnergy(0),
63 fSum2Energy(0),
64 fTrRmax(1.e10),
65 fTrZmax(1.e10),
90e48c0c 66 fRDecayMax(1.e10),
38ca2ad6 67 fRDecayMin(-1.),
90e48c0c 68 fDecayPdg(0),
5d12ce38 69 fImedia(0),
70 fTransParName("\0"),
5d12ce38 71 fHitLists(0),
3cac0921 72 fTmpTreeTR(0),
73 fTmpFileTR(0),
fd650020 74 fTrackReferences(),
75 fTmpTrackReferences()
5d12ce38 76
77{
d0d4a6b3 78 //default constructor
0561efeb 79 DecayLimits();
5d12ce38 80}
81
82//_______________________________________________________________________
83AliMC::AliMC(const char *name, const char *title) :
84 TVirtualMCApplication(name, title),
85 fGenerator(0),
86 fEventEnergy(0),
87 fSummEnergy(0),
88 fSum2Energy(0),
89 fTrRmax(1.e10),
90 fTrZmax(1.e10),
90e48c0c 91 fRDecayMax(1.e10),
38ca2ad6 92 fRDecayMin(-1.),
90e48c0c 93 fDecayPdg(0),
5d12ce38 94 fImedia(new TArrayI(1000)),
95 fTransParName("\0"),
5d12ce38 96 fHitLists(new TList()),
3cac0921 97 fTmpTreeTR(0),
98 fTmpFileTR(0),
fd650020 99 fTrackReferences("AliTrackReference", 100),
100 fTmpTrackReferences("AliTrackReference", 100)
5d12ce38 101{
d0d4a6b3 102 //constructor
5d12ce38 103 // Set transport parameters
104 SetTransPar();
0561efeb 105 DecayLimits();
5d12ce38 106 // Prepare the tracking medium lists
107 for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99;
5d12ce38 108}
109
5d12ce38 110//_______________________________________________________________________
111AliMC::~AliMC()
112{
d0d4a6b3 113 //destructor
5d12ce38 114 delete fGenerator;
115 delete fImedia;
5d12ce38 116 delete fHitLists;
117 // Delete track references
5d12ce38 118}
119
5d12ce38 120//_______________________________________________________________________
121void AliMC::ConstructGeometry()
122{
123 //
4a9de4af 124 // Either load geometry from file or create it through usual
125 // loop on detectors. In the first case the method
126 // AliModule::CreateMaterials() only builds fIdtmed and is postponed
127 // at InitGeometry().
5d12ce38 128 //
129
d97f1dbe 130 if(AliSimulation::Instance()->IsGeometryFromFile()){ //load geometry either from CDB or from file
131 if(IsGeometryFromCDB()){
ced249e6 132 AliInfo("Loading geometry from CDB default storage");
133 AliCDBPath path("GRP","Geometry","Data");
134 AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath());
135 if(!entry) AliFatal("Unable to load geometry from CDB!");
136 entry->SetOwner(0);
137 gGeoManager = (TGeoManager*) entry->GetObject();
138 if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!");
4a9de4af 139 }else{
ced249e6 140 // Load geometry
d97f1dbe 141 const char *geomfilename = AliSimulation::Instance()->GetGeometryFile();
ced249e6 142 if(gSystem->ExpandPathName(geomfilename)){
143 AliInfo(Form("Loading geometry from file:\n %40s",geomfilename));
144 TGeoManager::Import(geomfilename);
145 }else{
146 AliInfo(Form("Geometry file %40s not found!\n",geomfilename));
147 return;
148 }
4a9de4af 149 }
f82dfc3c 150 gMC->SetRootGeometry();
4a9de4af 151 }else{
152 // Create modules, materials, geometry
e8bfa5e3 153 if (!gGeoManager) new TGeoManager("ALICE", "ALICE geometry");
5d12ce38 154 TStopwatch stw;
155 TIter next(gAlice->Modules());
156 AliModule *detector;
21bf7095 157 AliDebug(1, "Geometry creation:");
5d12ce38 158 while((detector = dynamic_cast<AliModule*>(next()))) {
159 stw.Start();
160 // Initialise detector materials and geometry
161 detector->CreateMaterials();
162 detector->CreateGeometry();
21bf7095 163 AliInfo(Form("%10s R:%.2fs C:%.2fs",
164 detector->GetName(),stw.RealTime(),stw.CpuTime()));
5d12ce38 165 }
4a9de4af 166 }
167
5d12ce38 168}
169
39b3f8ba 170//_______________________________________________________________________
171Bool_t AliMC::MisalignGeometry()
172{
d97f1dbe 173 // Call misalignment code if AliSimulation object was defined.
174
175 if(!AliSimulation::Instance()->IsGeometryFromFile()){
176 //Set alignable volumes for the whole geometry
177 SetAllAlignableVolumes();
178 }
179 // Misalign geometry via AliSimulation instance
180 if (!AliSimulation::Instance()) return kFALSE;
181 AliGeomManager::SetGeometry(gGeoManager);
182 if(!AliGeomManager::CheckSymNamesLUT("ALL"))
0bf7aade 183 AliFatal("Current loaded geometry differs in the definition of symbolic names!");
d97f1dbe 184
185 return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::Instance());
39b3f8ba 186}
187
661663fa 188//_______________________________________________________________________
189void AliMC::ConstructOpGeometry()
190{
191 //
192 // Loop all detector modules and call DefineOpticalProperties() method
193 //
194
195 TIter next(gAlice->Modules());
196 AliModule *detector;
197 AliInfo("Optical properties definition");
198 while((detector = dynamic_cast<AliModule*>(next()))) {
dde0a601 199 // Initialise detector geometry
d97f1dbe 200 if(AliSimulation::Instance()->IsGeometryFromFile()) detector->CreateMaterials();
661663fa 201 // Initialise detector optical properties
202 detector->DefineOpticalProperties();
203 }
204}
205
5d12ce38 206//_______________________________________________________________________
207void AliMC::InitGeometry()
208{
209 //
27cf3cdc 210 // Initialize detectors
5d12ce38 211 //
212
4a9de4af 213 AliInfo("Initialisation:");
214 TStopwatch stw;
215 TIter next(gAlice->Modules());
216 AliModule *detector;
217 while((detector = dynamic_cast<AliModule*>(next()))) {
218 stw.Start();
4a9de4af 219 detector->Init();
4a9de4af 220 AliInfo(Form("%10s R:%.2fs C:%.2fs",
221 detector->GetName(),stw.RealTime(),stw.CpuTime()));
222 }
4787b401 223}
224
d97f1dbe 225//_______________________________________________________________________
226void AliMC::SetGeometryFromCDB()
227{
228 // Set the loading of geometry from cdb instead of creating it
229 // A default CDB storage needs to be set before this method is called
230 if(AliCDBManager::Instance()->IsDefaultStorageSet() &&
231 AliCDBManager::Instance()->GetRun() >= 0)
232 AliSimulation::Instance()->SetGeometryFile("*OCDB*");
233 else
234 AliError("Loading of geometry from CDB ignored. First set a default CDB storage!");
235}
236
237//_______________________________________________________________________
238Bool_t AliMC::IsGeometryFromCDB() const
239{
240 return (strcmp(AliSimulation::Instance()->GetGeometryFile(),"*OCDB*")==0);
241}
242
4787b401 243//_______________________________________________________________________
244void AliMC::SetAllAlignableVolumes()
245{
246 //
247 // Add alignable volumes (TGeoPNEntries) looping on all
248 // active modules
249 //
250
251 AliInfo(Form("Setting entries for all alignable volumes of active detectors"));
252 AliModule *detector;
253 TIter next(gAlice->Modules());
254 while((detector = dynamic_cast<AliModule*>(next()))) {
255 detector->AddAlignableVolumes();
256 }
5d12ce38 257}
258
259//_______________________________________________________________________
2057aecb 260void AliMC::GeneratePrimaries()
5d12ce38 261{
262 //
263 // Generate primary particles and fill them in the stack.
264 //
265
266 Generator()->Generate();
267}
268
269//_______________________________________________________________________
270void AliMC::SetGenerator(AliGenerator *generator)
271{
272 //
273 // Load the event generator
274 //
275 if(!fGenerator) fGenerator = generator;
276}
277
278//_______________________________________________________________________
279void AliMC::ResetGenerator(AliGenerator *generator)
280{
281 //
282 // Load the event generator
283 //
9a213abc 284 if(fGenerator) {
285 if(generator) {
21bf7095 286 AliWarning(Form("Replacing generator %s with %s",
9a213abc 287 fGenerator->GetName(),generator->GetName()));
288 }
289 else {
21bf7095 290 AliWarning(Form("Replacing generator %s with NULL",
291 fGenerator->GetName()));
9a213abc 292 }
293 }
5d12ce38 294 fGenerator = generator;
295}
296
297//_______________________________________________________________________
298void AliMC::FinishRun()
299{
300 // Clean generator information
21bf7095 301 AliDebug(1, "fGenerator->FinishRun()");
5d12ce38 302 fGenerator->FinishRun();
303
304 //Output energy summary tables
21bf7095 305 AliDebug(1, "EnergySummary()");
306 ToAliDebug(1, EnergySummary());
5d12ce38 307}
308
309//_______________________________________________________________________
310void AliMC::BeginPrimary()
311{
312 //
313 // Called at the beginning of each primary track
314 //
315
316 // Reset Hits info
317 ResetHits();
318 ResetTrackReferences();
5d12ce38 319}
320
321//_______________________________________________________________________
322void AliMC::PreTrack()
323{
d0d4a6b3 324 // Actions before the track's transport
dde0a601 325
5d12ce38 326 TObjArray &dets = *gAlice->Modules();
327 AliModule *module;
328
329 for(Int_t i=0; i<=gAlice->GetNdets(); i++)
330 if((module = dynamic_cast<AliModule*>(dets[i])))
331 module->PreTrack();
5d12ce38 332}
333
334//_______________________________________________________________________
335void AliMC::Stepping()
336{
337 //
338 // Called at every step during transport
339 //
38ca2ad6 340 Int_t id = DetFromMate(gMC->CurrentMedium());
5d12ce38 341 if (id < 0) return;
342
0561efeb 343
344 if ( gMC->IsNewTrack() &&
345 gMC->TrackTime() == 0. &&
38ca2ad6 346 fRDecayMin >= 0. &&
0561efeb 347 fRDecayMax > fRDecayMin &&
348 gMC->TrackPid() == fDecayPdg )
349 {
350 FixParticleDecaytime();
351 }
352
353
354
5d12ce38 355 //
356 // --- If lego option, do it and leave
3e2e3ece 357 if (AliSimulation::Instance()->Lego())
358 AliSimulation::Instance()->Lego()->StepManager();
5d12ce38 359 else {
360 Int_t copy;
361 //Update energy deposition tables
362 AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep());
ab03c084 363 //
364 // write tracke reference for track which is dissapearing - MI
faad98df 365
366 if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) {
367 if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(),
9ac3aec9 368 AliTrackReference::kDisappeared);
faad98df 369
370
b60e0f5e 371 }
faad98df 372
5d12ce38 373 //Call the appropriate stepping routine;
374 AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id));
375 if(det && det->StepManagerIsEnabled()) {
5d12ce38 376 det->StepManager();
377 }
378 }
379}
380
381//_______________________________________________________________________
382void AliMC::EnergySummary()
383{
9ac3aec9 384 //e
5d12ce38 385 // Print summary of deposited energy
386 //
387
388 Int_t ndep=0;
389 Float_t edtot=0;
390 Float_t ed, ed2;
391 Int_t kn, i, left, j, id;
392 const Float_t kzero=0;
33c3c91a 393 Int_t ievent=AliRunLoader::Instance()->GetHeader()->GetEvent()+1;
5d12ce38 394 //
395 // Energy loss information
396 if(ievent) {
397 printf("***************** Energy Loss Information per event (GEV) *****************\n");
398 for(kn=1;kn<fEventEnergy.GetSize();kn++) {
399 ed=fSummEnergy[kn];
400 if(ed>0) {
401 fEventEnergy[ndep]=kn;
402 if(ievent>1) {
403 ed=ed/ievent;
404 ed2=fSum2Energy[kn];
405 ed2=ed2/ievent;
406 ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed;
407 } else
408 ed2=99;
409 fSummEnergy[ndep]=ed;
410 fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero));
411 edtot+=ed;
412 ndep++;
413 }
414 }
415 for(kn=0;kn<(ndep-1)/3+1;kn++) {
416 left=ndep-kn*3;
417 for(i=0;i<(3<left?3:left);i++) {
418 j=kn*3+i;
419 id=Int_t (fEventEnergy[j]+0.1);
420 printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]);
421 }
422 printf("\n");
423 }
424 //
425 // Relative energy loss in different detectors
426 printf("******************** Relative Energy Loss per event ********************\n");
427 printf("Total energy loss per event %10.3f GeV\n",edtot);
428 for(kn=0;kn<(ndep-1)/5+1;kn++) {
429 left=ndep-kn*5;
430 for(i=0;i<(5<left?5:left);i++) {
431 j=kn*5+i;
432 id=Int_t (fEventEnergy[j]+0.1);
433 printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot);
434 }
435 printf("\n");
436 }
437 for(kn=0;kn<75;kn++) printf("*");
438 printf("\n");
439 }
440 //
441 // Reset the TArray's
442 // fEventEnergy.Set(0);
443 // fSummEnergy.Set(0);
444 // fSum2Energy.Set(0);
445}
446
447//_____________________________________________________________________________
448void AliMC::BeginEvent()
449{
450 //
451 // Clean-up previous event
452 // Energy scores
21bf7095 453 AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
454 AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
455 AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
456 AliDebug(1, " BEGINNING EVENT ");
457 AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
458 AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
459 AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
5d12ce38 460
33c3c91a 461 AliRunLoader *runloader=AliRunLoader::Instance();
5d12ce38 462
463 /*******************************/
464 /* Clean after eventual */
465 /* previous event */
466 /*******************************/
467
468
469 //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors),
470 gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1);
471 runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc.,
21bf7095 472 AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun()));
5d12ce38 473
474 fEventEnergy.Reset();
475 // Clean detector information
476
477 if (runloader->Stack())
3cac0921 478 runloader->Stack()->Reset();//clean stack -> tree is unloaded
5d12ce38 479 else
3cac0921 480 runloader->MakeStack();//or make a new one
504b172d 481
9ac3aec9 482
3e2e3ece 483 if(AliSimulation::Instance()->Lego() == 0x0)
3cac0921 484 {
485 AliDebug(1, "fRunLoader->MakeTree(K)");
486 runloader->MakeTree("K");
487 }
488
21bf7095 489 AliDebug(1, "gMC->SetStack(fRunLoader->Stack())");
d3b3a3b2 490 gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here
5d12ce38 491 //because we don't have guarantee that
492 //stack pointer is not going to change from event to event
493 //since it bellobgs to header and is obtained via RunLoader
494 //
495 // Reset all Detectors & kinematics & make/reset trees
496 //
497
8c8fbdcd 498 runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(),
3cac0921 499 gAlice->GetEventNrInRun());
5d12ce38 500// fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so
501
3e2e3ece 502 if(AliSimulation::Instance()->Lego())
3cac0921 503 {
3e2e3ece 504 AliSimulation::Instance()->Lego()->BeginEvent();
3cac0921 505 return;
506 }
504b172d 507
5d12ce38 508
21bf7095 509 AliDebug(1, "ResetHits()");
5d12ce38 510 ResetHits();
504b172d 511
21bf7095 512 AliDebug(1, "fRunLoader->MakeTree(H)");
5d12ce38 513 runloader->MakeTree("H");
504b172d 514
5d12ce38 515
5d12ce38 516
3cac0921 517 MakeTmpTrackRefsTree();
5d12ce38 518 //create new branches and SetAdresses
519 TIter next(gAlice->Modules());
520 AliModule *detector;
521 while((detector = (AliModule*)next()))
522 {
3cac0921 523 AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName()));
524 detector->MakeBranch("H");
5d12ce38 525 }
526}
527
528//_______________________________________________________________________
529void AliMC::ResetHits()
530{
531 //
532 // Reset all Detectors hits
533 //
534 TIter next(gAlice->Modules());
535 AliModule *detector;
536 while((detector = dynamic_cast<AliModule*>(next()))) {
537 detector->ResetHits();
538 }
539}
540
3e2e3ece 541//_______________________________________________________________________
542void AliMC::ResetDigits()
543{
544 //
545 // Reset all Detectors digits
546 //
547 TIter next(gAlice->Modules());
548 AliModule *detector;
549 while((detector = dynamic_cast<AliModule*>(next()))) {
550 detector->ResetDigits();
551 }
552}
553
554//_______________________________________________________________________
555void AliMC::ResetSDigits()
556{
557 //
558 // Reset all Detectors digits
559 //
560 TIter next(gAlice->Modules());
561 AliModule *detector;
562 while((detector = dynamic_cast<AliModule*>(next()))) {
563 detector->ResetSDigits();
564 }
565}
566
5d12ce38 567//_______________________________________________________________________
568void AliMC::PostTrack()
569{
d0d4a6b3 570 // Posts tracks for each module
dde0a601 571
4a9de4af 572 TObjArray &dets = *gAlice->Modules();
573 AliModule *module;
574
575 for(Int_t i=0; i<=gAlice->GetNdets(); i++)
576 if((module = dynamic_cast<AliModule*>(dets[i])))
577 module->PostTrack();
5d12ce38 578}
579
580//_______________________________________________________________________
581void AliMC::FinishPrimary()
582{
583 //
584 // Called at the end of each primary track
585 //
dde0a601 586
33c3c91a 587 AliRunLoader *runloader=AliRunLoader::Instance();
5d12ce38 588 // static Int_t count=0;
589 // const Int_t times=10;
590 // This primary is finished, purify stack
c75cfb51 591#if ROOT_VERSION_CODE > 262152
942a9039 592 if (!(gMC->SecondariesAreOrdered())) {
77db8cbf 593 if (runloader->Stack()->ReorderKine()) RemapHits();
942a9039 594 }
c75cfb51 595#endif
77db8cbf 596 if (runloader->Stack()->PurifyKine()) RemapHits();
504b172d 597
5d12ce38 598 TIter next(gAlice->Modules());
599 AliModule *detector;
600 while((detector = dynamic_cast<AliModule*>(next()))) {
601 detector->FinishPrimary();
504b172d 602 AliLoader* loader = detector->GetLoader();
603 if(loader)
604 {
605 TTree* treeH = loader->TreeH();
606 if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist
607 }
5d12ce38 608 }
609
610 // Write out track references if any
3cac0921 611 if (fTmpTreeTR) fTmpTreeTR->Fill();
5d12ce38 612}
613
942a9039 614void AliMC::RemapHits()
615{
616//
617// Remaps the track labels of the hits
33c3c91a 618 AliRunLoader *runloader=AliRunLoader::Instance();
942a9039 619 AliStack* stack = runloader->Stack();
620 TList* hitLists = GetHitLists();
621 TIter next(hitLists);
622 TCollection *hitList;
623
624 while((hitList = dynamic_cast<TCollection*>(next()))) {
625 TIter nexthit(hitList);
626 AliHit *hit;
627 while((hit = dynamic_cast<AliHit*>(nexthit()))) {
628 hit->SetTrack(stack->TrackLabel(hit->GetTrack()));
629 }
630 }
631
632 //
633 // This for detectors which have a special mapping mechanism
634 // for hits, such as TPC and TRD
635 //
ac2b85c0 636
942a9039 637
638 TObjArray* modules = gAlice->Modules();
639 TIter nextmod(modules);
ac2b85c0 640 AliModule *module;
641 while((module = (AliModule*) nextmod())) {
642 AliDetector* det = dynamic_cast<AliDetector*> (module);
643 if (det) det->RemapTrackHitIDs(stack->TrackLabelMap());
942a9039 644 }
645 //
646 RemapTrackReferencesIDs(stack->TrackLabelMap());
647}
648
5d12ce38 649//_______________________________________________________________________
650void AliMC::FinishEvent()
651{
652 //
653 // Called at the end of the event.
654 //
38ca2ad6 655
3e2e3ece 656 if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent();
5d12ce38 657
658 TIter next(gAlice->Modules());
659 AliModule *detector;
660 while((detector = dynamic_cast<AliModule*>(next()))) {
661 detector->FinishEvent();
662 }
663
664 //Update the energy deposit tables
665 Int_t i;
666 for(i=0;i<fEventEnergy.GetSize();i++)
667 {
668 fSummEnergy[i]+=fEventEnergy[i];
669 fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i];
670 }
671
33c3c91a 672 AliRunLoader *runloader=AliRunLoader::Instance();
5d12ce38 673
674 AliHeader* header = runloader->GetHeader();
675 AliStack* stack = runloader->Stack();
676 if ( (header == 0x0) || (stack == 0x0) )
677 {//check if we got header and stack. If not cry and exit aliroot
21bf7095 678 AliFatal("Can not get the stack or header from LOADER");
5d12ce38 679 return;//never reached
680 }
681 // Update Header information
682 header->SetNprimary(stack->GetNprimary());
683 header->SetNtrack(stack->GetNtrack());
475baf89 684 header->SetTimeStamp(AliSimulation::Instance()->GenerateTimeStamp());
5d12ce38 685
5d12ce38 686 // Write out the kinematics
3e2e3ece 687 if (!AliSimulation::Instance()->Lego()) stack->FinishEvent();
3cac0921 688
689 // Synchronize the TreeTR with TreeK
172bc1fb 690 if (fTmpTreeTR) ReorderAndExpandTreeTR();
5d12ce38 691
692 // Write out the event Header information
693 TTree* treeE = runloader->TreeE();
694 if (treeE)
695 {
696 header->SetStack(stack);
697 treeE->Fill();
698 }
699 else
700 {
21bf7095 701 AliError("Can not get TreeE from RL");
5d12ce38 702 }
703
3e2e3ece 704 if(AliSimulation::Instance()->Lego() == 0x0)
504b172d 705 {
706 runloader->WriteKinematics("OVERWRITE");
707 runloader->WriteTrackRefs("OVERWRITE");
708 runloader->WriteHits("OVERWRITE");
709 }
710
21bf7095 711 AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
712 AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
713 AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
714 AliDebug(1, " FINISHING EVENT ");
715 AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
716 AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
717 AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
5d12ce38 718}
719
5d12ce38 720//_______________________________________________________________________
721void AliMC::Init()
722{
d0d4a6b3 723 // MC initialization
5d12ce38 724
725 //=================Create Materials and geometry
726 gMC->Init();
4e889ff4 727 // Set alignable volumes for the whole geometry (with old root)
728#if ROOT_VERSION_CODE < 331527
729 SetAllAlignableVolumes();
730#endif
5d12ce38 731 //Read the cuts for all materials
732 ReadTransPar();
733 //Build the special IMEDIA table
734 MediaTable();
735
736 //Compute cross-sections
737 gMC->BuildPhysics();
738
5d12ce38 739 //Initialise geometry deposition table
740 fEventEnergy.Set(gMC->NofVolumes()+1);
741 fSummEnergy.Set(gMC->NofVolumes()+1);
742 fSum2Energy.Set(gMC->NofVolumes()+1);
743
5d12ce38 744 // Register MC in configuration
745 AliConfig::Instance()->Add(gMC);
746
747}
748
749//_______________________________________________________________________
750void AliMC::MediaTable()
751{
752 //
753 // Built media table to get from the media number to
754 // the detector id
755 //
756
757 Int_t kz, nz, idt, lz, i, k, ind;
758 // Int_t ibeg;
759 TObjArray &dets = *gAlice->Detectors();
760 AliModule *det;
761 Int_t ndets=gAlice->GetNdets();
762 //
763 // For all detectors
764 for (kz=0;kz<ndets;kz++) {
765 // If detector is defined
766 if((det=dynamic_cast<AliModule*>(dets[kz]))) {
767 TArrayI &idtmed = *(det->GetIdtmed());
768 for(nz=0;nz<100;nz++) {
0561efeb 769
5d12ce38 770 // Find max and min material number
771 if((idt=idtmed[nz])) {
772 det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt;
773 det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt;
774 }
775 }
776 if(det->LoMedium() > det->HiMedium()) {
777 det->LoMedium() = 0;
778 det->HiMedium() = 0;
779 } else {
780 if(det->HiMedium() > fImedia->GetSize()) {
21bf7095 781 AliError(Form("Increase fImedia from %d to %d",
782 fImedia->GetSize(),det->HiMedium()));
5d12ce38 783 return;
784 }
785 // Tag all materials in rage as belonging to detector kz
786 for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) {
787 (*fImedia)[lz]=kz;
788 }
789 }
790 }
791 }
792 //
793 // Print summary table
21bf7095 794 AliInfo("Tracking media ranges:");
795 ToAliInfo(
5d12ce38 796 for(i=0;i<(ndets-1)/6+1;i++) {
797 for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) {
798 ind=i*6+k;
799 det=dynamic_cast<AliModule*>(dets[ind]);
800 if(det)
801 printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(),
802 det->HiMedium());
803 else
804 printf(" %6s: %3d -> %3d;","NULL",0,0);
805 }
806 printf("\n");
807 }
13242232 808 );
5d12ce38 809}
810
811//_______________________________________________________________________
812void AliMC::ReadTransPar()
813{
814 //
815 // Read filename to set the transport parameters
816 //
817
818
819 const Int_t kncuts=10;
61721f6c 820 const Int_t knflags=12;
5d12ce38 821 const Int_t knpars=kncuts+knflags;
822 const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO",
823 "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI",
824 "BREM","COMP","DCAY","DRAY","HADR","LOSS",
61721f6c 825 "MULS","PAIR","PHOT","RAYL","STRA"};
5d12ce38 826 char line[256];
827 char detName[7];
828 char* filtmp;
829 Float_t cut[kncuts];
830 Int_t flag[knflags];
831 Int_t i, itmed, iret, ktmed, kz;
832 FILE *lun;
833 //
834 // See whether the file is there
835 filtmp=gSystem->ExpandPathName(fTransParName.Data());
836 lun=fopen(filtmp,"r");
837 delete [] filtmp;
838 if(!lun) {
21bf7095 839 AliWarning(Form("File %s does not exist!",fTransParName.Data()));
5d12ce38 840 return;
841 }
842 //
5d12ce38 843 while(1) {
844 // Initialise cuts and flags
845 for(i=0;i<kncuts;i++) cut[i]=-99;
846 for(i=0;i<knflags;i++) flag[i]=-99;
847 itmed=0;
01a0f5d0 848 memset(line,0,256);
5d12ce38 849 // Read up to the end of line excluded
01a0f5d0 850 iret=fscanf(lun,"%255[^\n]",line);
5d12ce38 851 if(iret<0) {
852 //End of file
853 fclose(lun);
5d12ce38 854 return;
855 }
856 // Read the end of line
58af8e48 857 iret=fscanf(lun,"%*c");
5d12ce38 858 if(!iret) continue;
859 if(line[0]=='*') continue;
860 // Read the numbers
e6585570 861 iret=sscanf(line,"%6s %d %f %f %f %f %f %f %f %f %f %f %d %d %d %d %d %d %d %d %d %d %d %d",
5d12ce38 862 detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8],
863 &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7],
61721f6c 864 &flag[8],&flag[9],&flag[10],&flag[11]);
5d12ce38 865 if(!iret) continue;
866 if(iret<0) {
867 //reading error
21bf7095 868 AliWarning(Form("Error reading file %s",fTransParName.Data()));
5d12ce38 869 continue;
870 }
871 // Check that the module exist
872 AliModule *mod = gAlice->GetModule(detName);
873 if(mod) {
874 // Get the array of media numbers
875 TArrayI &idtmed = *mod->GetIdtmed();
876 // Check that the tracking medium code is valid
877 if(0<=itmed && itmed < 100) {
878 ktmed=idtmed[itmed];
879 if(!ktmed) {
21bf7095 880 AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName()));
5d12ce38 881 continue;
882 }
883 // Set energy thresholds
884 for(kz=0;kz<kncuts;kz++) {
885 if(cut[kz]>=0) {
21bf7095 886 AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s",
887 kpars[kz],cut[kz],itmed,mod->GetName()));
5d12ce38 888 gMC->Gstpar(ktmed,kpars[kz],cut[kz]);
889 }
890 }
891 // Set transport mechanisms
892 for(kz=0;kz<knflags;kz++) {
893 if(flag[kz]>=0) {
21bf7095 894 AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s",
895 kpars[kncuts+kz],flag[kz],itmed,mod->GetName()));
5d12ce38 896 gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz]));
897 }
898 }
899 } else {
21bf7095 900 AliWarning(Form("Invalid medium code %d",itmed));
5d12ce38 901 continue;
902 }
903 } else {
21bf7095 904 AliDebug(1, Form("%s not present",detName));
5d12ce38 905 continue;
906 }
907 }
908}
909
910//_______________________________________________________________________
911void AliMC::SetTransPar(const char *filename)
912{
913 //
914 // Sets the file name for transport parameters
915 //
916 fTransParName = filename;
917}
918
5d12ce38 919//_______________________________________________________________________
920void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const
921{
922 //
923 // Add a hit to detector id
924 //
925 TObjArray &dets = *gAlice->Modules();
1c9a8216 926 if(dets[id]) static_cast<AliModule*>(dets[id])->AddHit(track,vol,hits);
5d12ce38 927}
928
929//_______________________________________________________________________
930void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const
931{
932 //
933 // Add digit to detector id
934 //
935 TObjArray &dets = *gAlice->Modules();
1c9a8216 936 if(dets[id]) static_cast<AliModule*>(dets[id])->AddDigit(tracks,digits);
5d12ce38 937}
938
939//_______________________________________________________________________
940Int_t AliMC::GetCurrentTrackNumber() const {
941 //
942 // Returns current track
943 //
33c3c91a 944 return AliRunLoader::Instance()->Stack()->GetCurrentTrackNumber();
5d12ce38 945}
946
947//_______________________________________________________________________
948void AliMC::DumpPart (Int_t i) const
949{
950 //
951 // Dumps particle i in the stack
952 //
33c3c91a 953 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 954 if (runloader->Stack())
955 runloader->Stack()->DumpPart(i);
956}
957
958//_______________________________________________________________________
959void AliMC::DumpPStack () const
960{
961 //
962 // Dumps the particle stack
963 //
33c3c91a 964 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 965 if (runloader->Stack())
966 runloader->Stack()->DumpPStack();
967}
968
969//_______________________________________________________________________
970Int_t AliMC::GetNtrack() const {
971 //
972 // Returns number of tracks in stack
973 //
974 Int_t ntracks = -1;
33c3c91a 975 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 976 if (runloader->Stack())
977 ntracks = runloader->Stack()->GetNtrack();
978 return ntracks;
979}
980
981//_______________________________________________________________________
982Int_t AliMC::GetPrimary(Int_t track) const
983{
984 //
985 // return number of primary that has generated track
986 //
987 Int_t nprimary = -999;
33c3c91a 988 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 989 if (runloader->Stack())
990 nprimary = runloader->Stack()->GetPrimary(track);
991 return nprimary;
992}
993
994//_______________________________________________________________________
995TParticle* AliMC::Particle(Int_t i) const
996{
d0d4a6b3 997 // Returns the i-th particle from the stack taking into account
998 // the remaping done by PurifyKine
33c3c91a 999 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1000 if (runloader)
1001 if (runloader->Stack())
1002 return runloader->Stack()->Particle(i);
1003 return 0x0;
1004}
1005
1006//_______________________________________________________________________
6c753956 1007const TObjArray* AliMC::Particles() const {
5d12ce38 1008 //
1009 // Returns pointer to Particles array
1010 //
33c3c91a 1011 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1012 if (runloader)
1013 if (runloader->Stack())
1014 return runloader->Stack()->Particles();
1015 return 0x0;
1016}
1017
1018//_______________________________________________________________________
3e2e3ece 1019void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom,
1020 const Float_t *vpos, const Float_t *polar, Float_t tof,
2057aecb 1021 TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const
5d12ce38 1022{
1023// Delegate to stack
1024//
33c3c91a 1025 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1026 if (runloader)
1027 if (runloader->Stack())
1028 runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof,
1029 mech, ntr, weight, is);
1030}
1031
1032//_______________________________________________________________________
1033void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg,
1034 Double_t px, Double_t py, Double_t pz, Double_t e,
1035 Double_t vx, Double_t vy, Double_t vz, Double_t tof,
1036 Double_t polx, Double_t poly, Double_t polz,
2057aecb 1037 TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const
5d12ce38 1038{
1039 // Delegate to stack
1040 //
33c3c91a 1041 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1042 if (runloader)
1043 if (runloader->Stack())
1044 runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof,
1045 polx, poly, polz, mech, ntr, weight, is);
1046}
1047
1048//_______________________________________________________________________
2057aecb 1049void AliMC::SetHighWaterMark(Int_t nt) const
5d12ce38 1050{
1051 //
1052 // Set high water mark for last track in event
33c3c91a 1053 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1054 if (runloader)
1055 if (runloader->Stack())
1056 runloader->Stack()->SetHighWaterMark(nt);
1057}
1058
1059//_______________________________________________________________________
2057aecb 1060void AliMC::KeepTrack(Int_t track) const
5d12ce38 1061{
1062 //
1063 // Delegate to stack
1064 //
33c3c91a 1065 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1066 if (runloader)
1067 if (runloader->Stack())
1068 runloader->Stack()->KeepTrack(track);
1069}
1070
1071//_______________________________________________________________________
2057aecb 1072void AliMC::FlagTrack(Int_t track) const
5d12ce38 1073{
1074 // Delegate to stack
1075 //
33c3c91a 1076 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1077 if (runloader)
1078 if (runloader->Stack())
1079 runloader->Stack()->FlagTrack(track);
1080}
1081
1082//_______________________________________________________________________
2057aecb 1083void AliMC::SetCurrentTrack(Int_t track) const
5d12ce38 1084{
1085 //
1086 // Set current track number
1087 //
33c3c91a 1088 AliRunLoader * runloader = AliRunLoader::Instance();
5d12ce38 1089 if (runloader)
1090 if (runloader->Stack())
1091 runloader->Stack()->SetCurrentTrack(track);
1092}
1093
1094//_______________________________________________________________________
9ac3aec9 1095AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id)
1096{
5d12ce38 1097 //
1098 // add a trackrefernce to the list
9ac3aec9 1099 Int_t primary = GetPrimary(label);
1100 Particle(primary)->SetBit(kKeepBit);
1101
fd650020 1102 Int_t nref = fTmpTrackReferences.GetEntriesFast();
1103 return new(fTmpTrackReferences[nref]) AliTrackReference(label, id);
5d12ce38 1104}
1105
1106
1107
1108//_______________________________________________________________________
1109void AliMC::ResetTrackReferences()
1110{
1111 //
1112 // Reset all references
1113 //
fd650020 1114 fTmpTrackReferences.Clear();
5d12ce38 1115}
1116
dde0a601 1117//_______________________________________________________________________
6da30991 1118void AliMC::RemapTrackReferencesIDs(const Int_t *map)
5d12ce38 1119{
1120 //
1121 // Remapping track reference
1122 // Called at finish primary
1123 //
fd650020 1124
1125 Int_t nEntries = fTmpTrackReferences.GetEntries();
4e490a96 1126 for (Int_t i=0; i < nEntries; i++){
fd650020 1127 AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i));
4e490a96 1128 if (ref) {
1129 Int_t newID = map[ref->GetTrack()];
1130 if (newID>=0) ref->SetTrack(newID);
1131 else {
1132 ref->SetBit(kNotDeleted,kFALSE);
fd650020 1133 fTmpTrackReferences.RemoveAt(i);
4e490a96 1134 }
1135 } // if ref
5d12ce38 1136 }
fd650020 1137 fTmpTrackReferences.Compress();
5d12ce38 1138}
0561efeb 1139
dde0a601 1140//_______________________________________________________________________
0561efeb 1141void AliMC::FixParticleDecaytime()
1142{
1143 //
1144 // Fix the particle decay time according to rmin and rmax for decays
1145 //
1146
1147 TLorentzVector p;
1148 gMC->TrackMomentum(p);
1149 Double_t tmin, tmax;
1150 Double_t b;
1151
1152 // Transverse velocity
1153 Double_t vt = p.Pt() / p.E();
1154
f7a1cc68 1155 if ((b = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField()) > 0.) { // [kG]
0561efeb 1156
1157 // Radius of helix
1158
1159 Double_t rho = p.Pt() / 0.0003 / b; // [cm]
1160
1161 // Revolution frequency
1162
1163 Double_t omega = vt / rho;
1164
1165 // Maximum and minimum decay time
1166 //
1167 // Check for curlers first
bfd20868 1168 const Double_t kOvRhoSqr2 = 1./(rho*TMath::Sqrt(2.));
1169 if (fRDecayMax * kOvRhoSqr2 > 1.) return;
0561efeb 1170
1171 //
1172
bfd20868 1173 tmax = TMath::ACos((1.-fRDecayMax*kOvRhoSqr2)*(1.+fRDecayMax*kOvRhoSqr2)) / omega; // [ct]
ec29d701 1174 tmin = TMath::ACos((1.-fRDecayMin*kOvRhoSqr2)*(1.+fRDecayMin*kOvRhoSqr2)) / omega; // [ct]
0561efeb 1175 } else {
1176 tmax = fRDecayMax / vt; // [ct]
1177 tmin = fRDecayMin / vt; // [ct]
1178 }
1179
1180 //
1181 // Dial t using the two limits
1182 Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct]
1183 //
1184 //
1185 // Force decay time in transport code
1186 //
fa7ca4da 1187 gMC->ForceDecayTime(t / 2.99792458e10);
0561efeb 1188}
3cac0921 1189
1190void AliMC::MakeTmpTrackRefsTree()
1191{
1192 // Make the temporary track reference tree
1193 fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate");
1194 fTmpTreeTR = new TTree("TreeTR", "Track References");
fd650020 1195 TClonesArray* pRef = &fTmpTrackReferences;
fda9d714 1196 fTmpTreeTR->Branch("TrackReferences", &pRef, 4000);
3cac0921 1197}
1198
dde0a601 1199//_______________________________________________________________________
3cac0921 1200void AliMC::ReorderAndExpandTreeTR()
1201{
1202//
1203// Reorder and expand the temporary track reference tree in order to match the kinematics tree
1204//
1205
33c3c91a 1206 AliRunLoader *rl = AliRunLoader::Instance();
3cac0921 1207//
1208// TreeTR
1209 AliDebug(1, "fRunLoader->MakeTrackRefsContainer()");
1210 rl->MakeTrackRefsContainer();
1211 TTree * treeTR = rl->TreeTR();
3cac0921 1212 // make branch for central track references
fd650020 1213 TClonesArray* pRef = &fTrackReferences;
7275b148 1214 treeTR->Branch("TrackReferences", &pRef);
3cac0921 1215
1216 AliStack* stack = rl->Stack();
1217 Int_t np = stack->GetNprimary();
1218 Int_t nt = fTmpTreeTR->GetEntries();
3cac0921 1219 //
1220 // Loop over tracks and find the secondaries with the help of the kine tree
5ce21fc4 1221 Int_t ifills = 0;
1222 Int_t it = 0;
1223 for (Int_t ip = np - 1; ip > -1; ip--) {
1224 TParticle *part = stack->Particle(ip);
5a9cf418 1225 //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter());
2c4e7c77 1226
5ce21fc4 1227 // Skip primaries that have not been transported
3cac0921 1228 Int_t dau1 = part->GetFirstDaughter();
1229 Int_t dau2 = -1;
f4414561 1230 if (!part->TestBit(kTransportBit)) continue;
5ce21fc4 1231 //
1232 fTmpTreeTR->GetEntry(it++);
fd650020 1233 Int_t nh = fTmpTrackReferences.GetEntries();
5ce21fc4 1234 // Determine range of secondaries produced by this primary
3cac0921 1235 if (dau1 > -1) {
5ce21fc4 1236 Int_t inext = ip - 1;
3cac0921 1237 while (dau2 < 0) {
1238 if (inext >= 0) {
1239 part = stack->Particle(inext);
5ce21fc4 1240 dau2 = part->GetFirstDaughter();
5a9cf418 1241 if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) {
1242// if (dau2 == -1 || dau2 < np) {
5ce21fc4 1243 dau2 = -1;
1244 } else {
1245 dau2--;
1246 }
3cac0921 1247 } else {
1248 dau2 = stack->GetNtrack() - 1;
1249 }
1250 inext--;
5ce21fc4 1251 } // find upper bound
1252 } // dau2 < 0
2c4e7c77 1253// printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2);
3cac0921 1254 //
1255 // Loop over reference hits and find secondary label
1256 for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) {
1257 for (Int_t ih = 0; ih < nh; ih++) {
fd650020 1258 AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih);
3cac0921 1259 Int_t label = tr->Label();
5ce21fc4 1260 // Skip primaries
1261 if (label == ip) continue;
2c4e7c77 1262 if (label > dau2 || label < dau1)
1263 AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2));
3cac0921 1264 if (label == id) {
1265 // secondary found
fd650020 1266 Int_t nref = fTrackReferences.GetEntriesFast();
1267 new(fTrackReferences[nref]) AliTrackReference(*tr);
3cac0921 1268 }
1269 } // hits
1270 treeTR->Fill();
fd650020 1271 fTrackReferences.Clear();
5ce21fc4 1272 ifills++;
3cac0921 1273 } // daughters
1274 } // tracks
3cac0921 1275 //
1276 // Now loop again and write the primaries
5ce21fc4 1277 it = nt - 1;
1278 for (Int_t ip = 0; ip < np; ip++) {
1279 TParticle* part = stack->Particle(ip);
f4414561 1280// if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np)
c226988d 1281 if (part->TestBit(kTransportBit))
f4414561 1282 {
5ce21fc4 1283 // Skip particles that have not been transported
1284 fTmpTreeTR->GetEntry(it--);
fd650020 1285 Int_t nh = fTmpTrackReferences.GetEntries();
5ce21fc4 1286 //
1287 // Loop over reference hits and find primary labels
1288 for (Int_t ih = 0; ih < nh; ih++) {
fd650020 1289 AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih);
5ce21fc4 1290 Int_t label = tr->Label();
1291 if (label == ip) {
fd650020 1292 Int_t nref = fTrackReferences.GetEntriesFast();
1293 new(fTrackReferences[nref]) AliTrackReference(*tr);
5ce21fc4 1294 }
1295 }
3cac0921 1296 }
1297 treeTR->Fill();
fd650020 1298 fTrackReferences.Clear();
5ce21fc4 1299 ifills++;
3cac0921 1300 } // tracks
5ce21fc4 1301 // Check
1302 if (ifills != stack->GetNtrack())
1303 AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack()));
3cac0921 1304//
1305// Clean-up
1306 delete fTmpTreeTR;
1307 fTmpFileTR->Close();
1308 delete fTmpFileTR;
fd650020 1309 fTmpTrackReferences.Clear();
3cac0921 1310 gSystem->Exec("rm -rf TrackRefsTmp.root");
1311}
1312