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 **************************************************************************/
16 // Add the muon tracks to the generic AOD track branch during the
17 // filtering of the ESD - R. Arnaldi 5/5/08
21 #include <TParticle.h>
23 #include "AliAnalysisTaskESDMuonFilter.h"
24 #include "AliAnalysisManager.h"
25 #include "AliESDEvent.h"
26 #include "AliAODEvent.h"
27 #include "AliESDInputHandler.h"
28 #include "AliAODHandler.h"
29 #include "AliAnalysisFilter.h"
30 #include "AliESDtrack.h"
31 #include "AliESDMuonTrack.h"
32 #include "AliESDVertex.h"
33 #include "AliMultiplicity.h"
36 #include "AliMCEvent.h"
37 #include "AliMCEventHandler.h"
38 #include "AliAODMCParticle.h"
40 ClassImp(AliAnalysisTaskESDMuonFilter)
42 ////////////////////////////////////////////////////////////////////////
44 AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter():
47 fEnableMuonAOD(kFALSE)
49 // Default constructor
52 AliAnalysisTaskESDMuonFilter::AliAnalysisTaskESDMuonFilter(const char* name):
53 AliAnalysisTaskSE(name),
55 fEnableMuonAOD(kFALSE)
60 void AliAnalysisTaskESDMuonFilter::UserCreateOutputObjects()
62 // Create the output container
63 if (fTrackFilter) OutputTree()->GetUserInfo()->Add(fTrackFilter);
66 void AliAnalysisTaskESDMuonFilter::Init()
69 if (fDebug > 1) AliInfo("Init() \n");
71 AliAODHandler *aodH = (AliAODHandler*)((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
72 if (!aodH) Fatal("UserCreateOutputObjects", "No AOD handler. Aborting.");
73 if(fEnableMuonAOD)aodH->AddFilteredAOD("AliAOD.Muons.root", "MuonEvents");
77 void AliAnalysisTaskESDMuonFilter::UserExec(Option_t */*option*/)
79 // Execute analysis for current event
80 Long64_t ientry = Entry();
81 if(fDebug)printf("Muon Filter: Analysing event # %5d\n", (Int_t) ientry);
86 void AliAnalysisTaskESDMuonFilter::ConvertESDtoAOD()
88 // ESD Muon Filter analysis task executed for each event
89 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
91 // Fetch Stack for debuggging if available
93 AliMCEventHandler *mcH = 0;
95 pStack = MCEvent()->Stack();
96 mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
99 // Define arrays for muons
104 // has to be changed once the muon pid is provided by the ESD
105 for (Int_t i = 0; i < 10; pid[i++] = 0.) {}
106 pid[AliAODTrack::kMuon]=1.;
108 AliAODHeader* header = AODEvent()->GetHeader();
109 AliAODTrack *aodTrack = 0x0;
110 AliESDMuonTrack *esdMuTrack = 0x0;
112 // Access to the AOD container of tracks
113 TClonesArray &tracks = *(AODEvent()->GetTracks());
114 Int_t jTracks = header->GetRefMultiplicity();
116 // Read primary vertex from AOD event
117 AliAODVertex *primary = AODEvent()->GetPrimaryVertex();
118 if(fDebug)primary->Print();
120 // Loop on muon tracks to fill the AOD track branch
121 Int_t nMuTracks = esd->GetNumberOfMuonTracks();
123 // Update number of positive and negative tracks from AOD event (M.G.)
124 Int_t nPosTracks = header->GetRefMultiplicityPos();
125 Int_t nNegTracks = header->GetRefMultiplicityNeg();
127 Bool_t MuonsExist = kFALSE;
129 for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) {
130 esdMuTrack = esd->GetMuonTrack(nMuTrack);
132 if (!esdMuTrack->ContainTrackerData()) continue;
134 UInt_t selectInfo = 0;
137 selectInfo = fTrackFilter->IsSelected(esdMuTrack);
143 if(!MuonsExist) MuonsExist=kTRUE;
145 p[0] = esdMuTrack->Px();
146 p[1] = esdMuTrack->Py();
147 p[2] = esdMuTrack->Pz();
149 pos[0] = esdMuTrack->GetNonBendingCoor();
150 pos[1] = esdMuTrack->GetBendingCoor();
151 pos[2] = esdMuTrack->GetZ();
153 if(mcH)mcH->SelectParticle(esdMuTrack->GetLabel());
155 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdMuTrack->GetUniqueID(), // ID
156 esdMuTrack->GetLabel(), // label
158 kTRUE, // cartesian coordinate system
161 0x0, // covariance matrix
162 esdMuTrack->Charge(), // charge
165 primary, // primary vertex
166 kFALSE, // used for vertex fit?
167 kFALSE, // used for primary vertex fit?
168 AliAODTrack::kPrimary,// track type
171 aodTrack->SetXYAtDCA(esdMuTrack->GetNonBendingCoorAtDCA(), esdMuTrack->GetBendingCoorAtDCA());
172 aodTrack->SetPxPyPzAtDCA(esdMuTrack->PxAtDCA(), esdMuTrack->PyAtDCA(), esdMuTrack->PzAtDCA());
173 aodTrack->ConvertAliPIDtoAODPID();
174 aodTrack->SetChi2perNDF(esdMuTrack->GetChi2() / (2.*esdMuTrack->GetNHit() - 5.));
175 aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger());
176 aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh());
177 aodTrack->SetMuonClusterMap(esdMuTrack->GetMuonClusterMap());
178 aodTrack->SetMatchTrigger(esdMuTrack->GetMatchTrigger());
179 aodTrack->Connected(esdMuTrack->IsConnected());
181 primary->AddDaughter(aodTrack);
183 if (esdMuTrack->Charge() > 0) nPosTracks++;
187 header->SetRefMultiplicity(jTracks);
188 header->SetRefMultiplicityPos(nPosTracks);
189 header->SetRefMultiplicityNeg(nNegTracks);
192 if(fEnableMuonAOD && MuonsExist){
193 AliAODExtension *extMuons = dynamic_cast<AliAODHandler*>
194 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler())->GetFilteredAOD("AliAOD.Muons.root");
195 extMuons->SelectEvent();
200 void AliAnalysisTaskESDMuonFilter::Terminate(Option_t */*option*/)
202 // Terminate analysis
204 if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
207 void AliAnalysisTaskESDMuonFilter::PrintMCInfo(AliStack *pStack,Int_t label){
209 label = TMath::Abs(label);
210 TParticle *part = pStack->Particle(label);
211 Printf("########################");
212 Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P());
214 TParticle* mother = part;
215 Int_t imo = part->GetFirstMother();
216 Int_t nprim = pStack->GetNprimary();
217 // while((imo >= nprim) && (mother->GetUniqueID() == 4)) {
218 while((imo >= nprim)) {
219 mother = pStack->Particle(imo);
220 Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P());
222 imo = mother->GetFirstMother();
224 Printf("########################");