1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
17 // Add the muon tracks to the generic AOD track branch during the
18 // filtering of the ESD.
20 // Authors: R. Arnaldi 5/5/08 and L. Aphecetche January 2011
23 // - completely disable all the branches that are not required by (most) the muon analyses,
24 // e.g. cascades, v0s, kinks, jets, etc...
25 // - filter severely the tracks (keep only muon tracks) and vertices (keep only primary -including
26 // pile-up - vertices) branches
28 // (see AddFilteredAOD method)
31 #include "AliAnalysisTaskESDMuonFilter.h"
33 #include "AliAODDimuon.h"
34 #include "AliAODEvent.h"
35 #include "AliAODHandler.h"
36 #include "AliAODMCParticle.h"
37 #include "AliAODMuonReplicator.h"
38 #include "AliAODVertex.h"
39 #include "AliAnalysisFilter.h"
40 #include "AliAnalysisManager.h"
41 #include "AliCodeTimer.h"
42 #include "AliESDEvent.h"
43 #include "AliESDInputHandler.h"
44 #include "AliESDMuonTrack.h"
45 #include "AliESDVertex.h"
46 #include "AliESDtrack.h"
48 #include "AliMCEvent.h"
49 #include "AliMCEventHandler.h"
50 #include "AliMultiplicity.h"
54 #include <TParticle.h>
56 ClassImp(AliAnalysisTaskESDMuonFilter)
57 ClassImp(AliAnalysisNonMuonTrackCuts)
59 ////////////////////////////////////////////////////////////////////////
61 AliAnalysisNonMuonTrackCuts::AliAnalysisNonMuonTrackCuts()
66 Bool_t AliAnalysisNonMuonTrackCuts::IsSelected(TObject* obj)
68 // Returns true if the object is a muon track
69 AliAODTrack* track = dynamic_cast<AliAODTrack*>(obj);
70 if (track && track->IsMuonTrack()) return kTRUE;
74 AliAnalysisNonPrimaryVertices::AliAnalysisNonPrimaryVertices()
79 Bool_t AliAnalysisNonPrimaryVertices::IsSelected(TObject* obj)
81 // Returns true if the object is a primary vertex
83 AliAODVertex* vertex = dynamic_cast<AliAODVertex*>(obj);
86 if ( vertex->GetType() == AliAODVertex::kPrimary ||
87 vertex->GetType() == AliAODVertex::kMainSPD ||
88 vertex->GetType() == AliAODVertex::kPileupSPD ||
89 vertex->GetType() == AliAODVertex::kPileupTracks ||
90 vertex->GetType() == AliAODVertex::kMainTPC )
96 // enum AODVtx_t {kUndef=-1, kPrimary, kKink, kV0, kCascade, kMulti, kMainSPD, kPileupSPD, kPileupTracks,kMainTPC};
102 AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(Bool_t onlyMuon, Bool_t keepAllEvents):
105 fEnableMuonAOD(kFALSE),
106 fEnableDimuonAOD(kFALSE),
108 fKeepAllEvents(keepAllEvents)
110 // Default constructor
113 AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(const char* name, Bool_t onlyMuon, Bool_t keepAllEvents):
114 AliAnalysisTaskSE(name),
116 fEnableMuonAOD(kFALSE),
117 fEnableDimuonAOD(kFALSE),
119 fKeepAllEvents(keepAllEvents)
124 //______________________________________________________________________________
125 void AliAnalysisTaskESDMuonFilter::UserCreateOutputObjects()
127 // Create the output container
128 if (fTrackFilter) OutputTree()->GetUserInfo()->Add(fTrackFilter);
131 //______________________________________________________________________________
132 void AliAnalysisTaskESDMuonFilter::PrintTask(Option_t *option, Int_t indent) const
134 // Specify how we are configured
136 AliAnalysisTaskSE::PrintTask(option,indent);
138 TString spaces(' ',indent+3);
142 cout << spaces.Data() << "Keep only muon information " << endl;
146 cout << spaces.Data() << "Keep all information from standard AOD" << endl;
149 if ( fKeepAllEvents )
151 cout << spaces.Data() << "Keep all events, regardless of number of muons" << endl;
155 cout << spaces.Data() << "Keep only events with at least one muon" << endl;
159 //______________________________________________________________________________
160 void AliAnalysisTaskESDMuonFilter::AddFilteredAOD(const char* aodfilename, const char* title)
162 // Add an output filtered and replicated aod
164 AliAODHandler *aodH = (AliAODHandler*)((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
165 if (!aodH) Fatal("UserCreateOutputObjects", "No AOD handler");
167 AliAODExtension* ext = aodH->AddFilteredAOD(aodfilename,title);
173 AliAODBranchReplicator* murep = new AliAODMuonReplicator("MuonReplicator",
174 "remove non muon tracks and non primary or pileup vertices",
175 new AliAnalysisNonMuonTrackCuts,
176 new AliAnalysisNonPrimaryVertices);
178 ext->DropUnspecifiedBranches(); // all branches not part of a FilterBranch call (below) will be dropped
180 ext->FilterBranch("tracks",murep);
181 ext->FilterBranch("vertices",murep);
182 ext->FilterBranch("dimuons",murep);
186 //______________________________________________________________________________
187 void AliAnalysisTaskESDMuonFilter::Init()
190 if(fEnableMuonAOD) AddFilteredAOD("AliAOD.Muons.root", "MuonEvents");
191 if(fEnableDimuonAOD) AddFilteredAOD("AliAOD.Dimuons.root", "DimuonEvents");
195 //______________________________________________________________________________
196 void AliAnalysisTaskESDMuonFilter::UserExec(Option_t */*option*/)
198 // Execute analysis for current event
200 Long64_t ientry = Entry();
201 if(fDebug)printf("Muon Filter: Analysing event # %5d\n", (Int_t) ientry);
206 //______________________________________________________________________________
207 void AliAnalysisTaskESDMuonFilter::ConvertESDtoAOD()
209 // ESD Muon Filter analysis task executed for each event
211 AliCodeTimerAuto("",0);
213 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
215 // Fetch Stack for debuggging if available
216 AliStack *pStack = 0;
217 AliMCEventHandler *mcH = 0;
219 pStack = MCEvent()->Stack();
220 mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
223 // Define arrays for muons
228 // has to be changed once the muon pid is provided by the ESD
229 for (Int_t i = 0; i < 10; pid[i++] = 0.) {}
230 pid[AliAODTrack::kMuon]=1.;
232 AliAODHeader* header = AODEvent()->GetHeader();
233 AliAODTrack *aodTrack = 0x0;
234 AliESDMuonTrack *esdMuTrack = 0x0;
236 // Access to the AOD container of tracks
237 TClonesArray &tracks = *(AODEvent()->GetTracks());
238 Int_t jTracks = header->GetRefMultiplicity();
240 // Read primary vertex from AOD event
241 AliAODVertex *primary = AODEvent()->GetPrimaryVertex();
242 if(fDebug)primary->Print();
244 // Loop on muon tracks to fill the AOD track branch
245 Int_t nMuTracks = esd->GetNumberOfMuonTracks();
247 for (Int_t iTrack=0; iTrack<nMuTracks; ++iTrack) esd->GetMuonTrack(iTrack)->SetESDEvent(esd);
249 // Update number of positive and negative tracks from AOD event (M.G.)
250 Int_t nPosTracks = header->GetRefMultiplicityPos();
251 Int_t nNegTracks = header->GetRefMultiplicityNeg();
253 // Access to the AOD container of dimuons
254 TClonesArray &dimuons = *(AODEvent()->GetDimuons());
255 AliAODDimuon *aodDimuon = 0x0;
260 Int_t nMuonTrack[100];
262 for(int imuon=0;imuon<100;imuon++) nMuonTrack[imuon]=0;
264 for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack)
266 esdMuTrack = esd->GetMuonTrack(nMuTrack);
268 if (!esdMuTrack->ContainTrackerData()) continue;
270 UInt_t selectInfo = 0;
273 selectInfo = fTrackFilter->IsSelected(esdMuTrack);
279 p[0] = esdMuTrack->Px();
280 p[1] = esdMuTrack->Py();
281 p[2] = esdMuTrack->Pz();
283 pos[0] = esdMuTrack->GetNonBendingCoor();
284 pos[1] = esdMuTrack->GetBendingCoor();
285 pos[2] = esdMuTrack->GetZ();
287 if(mcH)mcH->SelectParticle(esdMuTrack->GetLabel());
289 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdMuTrack->GetUniqueID(), // ID
290 esdMuTrack->GetLabel(), // label
292 kTRUE, // cartesian coordinate system
295 0x0, // covariance matrix
296 esdMuTrack->Charge(), // charge
299 primary, // primary vertex
300 kFALSE, // used for vertex fit?
301 kFALSE, // used for primary vertex fit?
302 AliAODTrack::kPrimary,// track type
305 aodTrack->SetXYAtDCA(esdMuTrack->GetNonBendingCoorAtDCA(), esdMuTrack->GetBendingCoorAtDCA());
306 aodTrack->SetPxPyPzAtDCA(esdMuTrack->PxAtDCA(), esdMuTrack->PyAtDCA(), esdMuTrack->PzAtDCA());
307 aodTrack->SetRAtAbsorberEnd(esdMuTrack->GetRAtAbsorberEnd());
308 aodTrack->ConvertAliPIDtoAODPID();
309 aodTrack->SetChi2perNDF(esdMuTrack->GetChi2() / (2.*esdMuTrack->GetNHit() - 5.));
310 aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger());
311 aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh());
312 aodTrack->SetMuonClusterMap(esdMuTrack->GetMuonClusterMap());
313 aodTrack->SetMatchTrigger(esdMuTrack->GetMatchTrigger());
314 aodTrack->Connected(esdMuTrack->IsConnected());
315 primary->AddDaughter(aodTrack);
317 if (esdMuTrack->Charge() > 0) nPosTracks++;
320 nMuonTrack[nMuons]= jTracks-1.;
326 for(int i=0;i<nMuons;i++){
327 Int_t index0 = nMuonTrack[i];
328 for(int j=i+1;j<nMuons;j++){
329 Int_t index1 = nMuonTrack[j];
330 aodDimuon = new(dimuons[jDimuons++]) AliAODDimuon(tracks.At(index0),tracks.At(index1));
333 AliAODDimuon *dimuon0 = (AliAODDimuon*)dimuons.At(jDimuons-1);
334 printf("Dimuon: mass = %f, px=%f, py=%f, pz=%f\n",dimuon0->M(),dimuon0->Px(),dimuon0->Py(),dimuon0->Pz());
335 AliAODTrack *mu0 = (AliAODTrack*) dimuon0->GetMu(0);
336 AliAODTrack *mu1 = (AliAODTrack*) dimuon0->GetMu(1);
337 printf("Muon0 px=%f py=%f pz=%f\n",mu0->Px(),mu0->Py(),mu0->Pz());
338 printf("Muon1 px=%f py=%f pz=%f\n",mu1->Px(),mu1->Py(),mu1->Pz());
345 header->SetRefMultiplicity(jTracks);
346 header->SetRefMultiplicityPos(nPosTracks);
347 header->SetRefMultiplicityNeg(nNegTracks);
348 header->SetNumberOfMuons(nMuons);
349 header->SetNumberOfDimuons(nDimuons);
351 if ( fEnableMuonAOD && ( (nMuons>0) || fKeepAllEvents ) )
353 AliAODExtension *extMuons = dynamic_cast<AliAODHandler*>
354 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler())->GetFilteredAOD("AliAOD.Muons.root");
355 extMuons->SelectEvent();
358 if ( fEnableDimuonAOD && ( (nMuons>1) || fKeepAllEvents ) )
360 AliAODExtension *extDimuons = dynamic_cast<AliAODHandler*>
361 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler())->GetFilteredAOD("AliAOD.Dimuons.root");
362 extDimuons->SelectEvent();
367 void AliAnalysisTaskESDMuonFilter::Terminate(Option_t */*option*/)
369 // Terminate analysis
371 if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
374 void AliAnalysisTaskESDMuonFilter::PrintMCInfo(AliStack *pStack,Int_t label)
378 label = TMath::Abs(label);
379 TParticle *part = pStack->Particle(label);
380 Printf("########################");
381 Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P());
383 TParticle* mother = part;
384 Int_t imo = part->GetFirstMother();
385 Int_t nprim = pStack->GetNprimary();
386 // while((imo >= nprim) && (mother->GetUniqueID() == 4)) {
387 while((imo >= nprim)) {
388 mother = pStack->Particle(imo);
389 Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P());
391 imo = mother->GetFirstMother();
393 Printf("########################");