1 AliAnalysisTaskESDfilter *AddTaskESDFilter(Bool_t useKineFilter=kTRUE,
2 Bool_t writeMuonAOD=kFALSE,
3 Bool_t writeDimuonAOD=kFALSE,
4 Bool_t usePhysicsSelection=kFALSE)
6 // Creates a filter task and adds it to the analysis manager.
8 // Get the pointer to the existing analysis manager via the static access method.
9 //==============================================================================
10 AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
12 ::Error("AddTaskESDFilter", "No analysis manager to connect to.");
16 // This task requires an ESD input handler and an AOD output handler.
17 // Check this using the analysis manager.
18 //===============================================================================
19 TString type = mgr->GetInputEventHandler()->GetDataType();
20 if (!type.Contains("ESD")) {
21 ::Error("AddTaskESDFilter", "ESD filtering task needs the manager to have an ESD input handler.");
24 // Check if AOD output handler exist.
25 AliAODHandler *aod_h = (AliAODHandler*)mgr->GetOutputEventHandler();
27 ::Error("AddTaskESDFilter", "ESD filtering task needs the manager to have an AOD output handler.");
30 // Check if MC handler is connected in case kine filter requested
31 AliMCEventHandler *mcH = (AliMCEventHandler*)mgr->GetMCtruthEventHandler();
32 if (!mcH && useKineFilter) {
33 ::Error("AddTaskESDFilter", "No MC handler connected while kine filtering requested");
37 // Create the task, add it to the manager and configure it.
38 //===========================================================================
39 // Barrel tracks filter
40 AliAnalysisTaskESDfilter *esdfilter = new AliAnalysisTaskESDfilter("ESD Filter");
41 mgr->AddTask(esdfilter);
43 AliAnalysisTaskESDMuonFilter *esdmuonfilter = new AliAnalysisTaskESDMuonFilter("ESD Muon Filter");
44 mgr->AddTask(esdmuonfilter);
45 if(usePhysicsSelection){
46 esdfilter->SelectCollisionCandidates(AliVEvent::kAny);
47 esdmuonfilter->SelectCollisionCandidates(AliVEvent::kAny);
50 // Filtering of MC particles (decays conversions etc)
51 // this task has to go AFTER all other filter tasks
52 // since it fills the AODMC array with all
53 // selected MC Particles, only this way we have the
54 // AODMCparticle information available for following tasks
55 AliAnalysisTaskMCParticleFilter *kinefilter = 0;
57 kinefilter = new AliAnalysisTaskMCParticleFilter("Particle Kine Filter");
58 mgr->AddTask(kinefilter);
61 // Cuts on primary tracks
62 AliESDtrackCuts* esdTrackCutsL = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts();
64 // ITS stand-alone tracks
65 AliESDtrackCuts* esdTrackCutsITSsa = new AliESDtrackCuts("ITS stand-alone Track Cuts", "ESD Track Cuts");
66 esdTrackCutsITSsa->SetRequireITSStandAlone(kTRUE);
68 // Pixel OR necessary for the electrons
69 AliESDtrackCuts *itsStrong = new AliESDtrackCuts("ITSorSPD", "pixel requirement for ITS");
70 itsStrong->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kAny);
73 // PID for the electrons
74 AliESDpidCuts *electronID = new AliESDpidCuts("Electrons", "Electron PID cuts");
75 electronID->SetTPCnSigmaCut(AliPID::kElectron, 3.);
77 // standard cuts with very loose DCA
78 AliESDtrackCuts* esdTrackCutsH = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(kFALSE);
79 esdTrackCutsH->SetMaxDCAToVertexXY(2.4);
80 esdTrackCutsH->SetMaxDCAToVertexZ(3.2);
81 esdTrackCutsH->SetDCAToVertex2D(kTRUE);
83 // standard cuts with tight DCA cut
84 AliESDtrackCuts* esdTrackCutsH2 = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010();
86 // standard cuts with tight DCA but with requiring the first SDD cluster instead of an SPD cluster
87 // tracks selected by this cut are exclusive to those selected by the previous cut
88 AliESDtrackCuts* esdTrackCutsH3 = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010();
89 esdTrackCutsH3->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kNone);
90 esdTrackCutsH3->SetClusterRequirementITS(AliESDtrackCuts::kSDD, AliESDtrackCuts::kFirst);
94 AliAnalysisFilter* trackFilter = new AliAnalysisFilter("trackFilter");
96 trackFilter->AddCuts(esdTrackCutsL);
98 trackFilter->AddCuts(esdTrackCutsITSsa);
100 trackFilter->AddCuts(itsStrong);
101 itsStrong->SetFilterMask(1); // AND with Standard track cuts
103 trackFilter->AddCuts(electronID);
104 electronID->SetFilterMask(4); // AND with Pixel Cuts
106 trackFilter->AddCuts(esdTrackCutsH);
108 trackFilter->AddCuts(esdTrackCutsH2);
110 trackFilter->AddCuts(esdTrackCutsH3);
112 // Filter with cuts on V0s
113 AliESDv0Cuts* esdV0Cuts = new AliESDv0Cuts("Standard V0 Cuts pp", "ESD V0 Cuts");
114 esdV0Cuts->SetMinRadius(0.2);
115 esdV0Cuts->SetMaxRadius(200);
116 esdV0Cuts->SetMinDcaPosToVertex(0.05);
117 esdV0Cuts->SetMinDcaNegToVertex(0.05);
118 esdV0Cuts->SetMaxDcaV0Daughters(1.5);
119 esdV0Cuts->SetMinCosinePointingAngle(0.99);
120 AliAnalysisFilter* v0Filter = new AliAnalysisFilter("v0Filter");
121 v0Filter->AddCuts(esdV0Cuts);
123 esdfilter->SetTrackFilter(trackFilter);
124 esdfilter->SetV0Filter(v0Filter);
126 // Enable writing of Muon AODs
127 esdmuonfilter->SetWriteMuonAOD(writeMuonAOD);
129 // Enable writing of Dimuon AODs
130 esdmuonfilter->SetWriteDimuonAOD(writeDimuonAOD);
132 // Create ONLY the output containers for the data produced by the task.
133 // Get and connect other common input/output containers via the manager as below
134 //==============================================================================
135 mgr->ConnectInput (esdfilter, 0, mgr->GetCommonInputContainer());
136 mgr->ConnectOutput (esdfilter, 0, mgr->GetCommonOutputContainer());
137 mgr->ConnectInput (esdmuonfilter, 0, mgr->GetCommonInputContainer());
139 mgr->ConnectInput (kinefilter, 0, mgr->GetCommonInputContainer());
140 mgr->ConnectOutput (kinefilter, 0, mgr->GetCommonOutputContainer());
141 AliAnalysisDataContainer *coutputEx = mgr->CreateContainer("cFilterList", TList::Class(),
142 AliAnalysisManager::kOutputContainer,"pyxsec_hists.root");
143 mgr->ConnectOutput (kinefilter, 1,coutputEx);