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