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, /*obsolete*/
6 Int_t tofTimeZeroType=AliESDpid::kTOF_T0,
7 Bool_t enableTPCOnlyAODTracks=kFALSE,
8 Bool_t disableCascades=kFALSE,
9 Bool_t disableKinks=kFALSE)
11 // Creates a filter task and adds it to the analysis manager.
13 // Get the pointer to the existing analysis manager via the static access method.
14 //==============================================================================
15 AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
17 ::Error("AddTaskESDFilter", "No analysis manager to connect to.");
21 // This task requires an ESD input handler and an AOD output handler.
22 // Check this using the analysis manager.
23 //===============================================================================
24 TString type = mgr->GetInputEventHandler()->GetDataType();
25 if (!type.Contains("ESD")) {
26 ::Error("AddTaskESDFilter", "ESD filtering task needs the manager to have an ESD input handler.");
29 // Check if AOD output handler exist.
30 AliAODHandler *aod_h = (AliAODHandler*)mgr->GetOutputEventHandler();
32 ::Error("AddTaskESDFilter", "ESD filtering task needs the manager to have an AOD output handler.");
35 // Check if MC handler is connected in case kine filter requested
36 AliMCEventHandler *mcH = (AliMCEventHandler*)mgr->GetMCtruthEventHandler();
37 if (!mcH && useKineFilter) {
38 ::Error("AddTaskESDFilter", "No MC handler connected while kine filtering requested");
42 // Create the task, add it to the manager and configure it.
43 //===========================================================================
44 // Barrel tracks filter
45 AliAnalysisTaskESDfilter *esdfilter = new AliAnalysisTaskESDfilter("ESD Filter");
46 esdfilter->SetTimeZeroType(tofTimeZeroType);
47 if (disableCascades) esdfilter->DisableCascades();
48 if (disableKinks) esdfilter->DisableKinks();
50 mgr->AddTask(esdfilter);
53 Bool_t onlyMuon=kTRUE;
54 Bool_t keepAllEvents=kTRUE;
55 Int_t mcMode=(useKineFilter ? 2 : 0); // use 1 instead of 2 to get all MC information instead of just ancestors of mu tracks
56 AliAnalysisTaskESDMuonFilter *esdmuonfilter = new AliAnalysisTaskESDMuonFilter("ESD Muon Filter",onlyMuon,keepAllEvents,mcMode);
57 mgr->AddTask(esdmuonfilter);
58 if(usePhysicsSelection){
59 esdfilter->SelectCollisionCandidates(AliVEvent::kAny);
60 esdmuonfilter->SelectCollisionCandidates(AliVEvent::kAny);
63 // Filtering of MC particles (decays conversions etc)
64 // this task has to go AFTER all other filter tasks
65 // since it fills the AODMC array with all
66 // selected MC Particles, only this way we have the
67 // AODMCparticle information available for following tasks
68 AliAnalysisTaskMCParticleFilter *kinefilter = 0;
70 kinefilter = new AliAnalysisTaskMCParticleFilter("Particle Kine Filter");
71 mgr->AddTask(kinefilter);
74 // Cuts on primary tracks
75 AliESDtrackCuts* esdTrackCutsL = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts();
77 // ITS stand-alone tracks
78 AliESDtrackCuts* esdTrackCutsITSsa = new AliESDtrackCuts("ITS stand-alone Track Cuts", "ESD Track Cuts");
79 esdTrackCutsITSsa->SetRequireITSStandAlone(kTRUE);
81 // Pixel OR necessary for the electrons
82 AliESDtrackCuts *itsStrong = new AliESDtrackCuts("ITSorSPD", "pixel requirement for ITS");
83 itsStrong->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kAny);
86 // PID for the electrons
87 AliESDpidCuts *electronID = new AliESDpidCuts("Electrons", "Electron PID cuts");
88 electronID->SetTPCnSigmaCut(AliPID::kElectron, 3.);
90 // standard cuts with very loose DCA
91 AliESDtrackCuts* esdTrackCutsH = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(kFALSE);
92 esdTrackCutsH->SetMaxDCAToVertexXY(2.4);
93 esdTrackCutsH->SetMaxDCAToVertexZ(3.2);
94 esdTrackCutsH->SetDCAToVertex2D(kTRUE);
96 // standard cuts with tight DCA cut
97 AliESDtrackCuts* esdTrackCutsH2 = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010();
99 // standard cuts with tight DCA but with requiring the first SDD cluster instead of an SPD cluster
100 // tracks selected by this cut are exclusive to those selected by the previous cut
101 AliESDtrackCuts* esdTrackCutsH3 = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010();
102 esdTrackCutsH3->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kNone);
103 esdTrackCutsH3->SetClusterRequirementITS(AliESDtrackCuts::kSDD, AliESDtrackCuts::kFirst);
105 // TPC only tracks: Optionally enable the writing of TPConly information
106 // constrained to SPD vertex in the filter below
107 AliESDtrackCuts* esdTrackCutsTPCOnly = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts();
108 esdTrackCutsTPCOnly->SetMinNClustersTPC(70);
110 // Compose the filter
111 AliAnalysisFilter* trackFilter = new AliAnalysisFilter("trackFilter");
113 trackFilter->AddCuts(esdTrackCutsL);
115 trackFilter->AddCuts(esdTrackCutsITSsa);
117 trackFilter->AddCuts(itsStrong);
118 itsStrong->SetFilterMask(1); // AND with Standard track cuts
120 trackFilter->AddCuts(electronID);
121 electronID->SetFilterMask(4); // AND with Pixel Cuts
123 trackFilter->AddCuts(esdTrackCutsH);
125 trackFilter->AddCuts(esdTrackCutsH2);
127 trackFilter->AddCuts(esdTrackCutsH3);
129 trackFilter->AddCuts(esdTrackCutsTPCOnly);
130 if(enableTPCOnlyAODTracks)esdfilter->SetTPCOnlyFilterMask(128);
132 // Filter with cuts on V0s
133 AliESDv0Cuts* esdV0Cuts = new AliESDv0Cuts("Standard V0 Cuts pp", "ESD V0 Cuts");
134 esdV0Cuts->SetMinRadius(0.2);
135 esdV0Cuts->SetMaxRadius(200);
136 esdV0Cuts->SetMinDcaPosToVertex(0.05);
137 esdV0Cuts->SetMinDcaNegToVertex(0.05);
138 esdV0Cuts->SetMaxDcaV0Daughters(1.5);
139 esdV0Cuts->SetMinCosinePointingAngle(0.99);
140 AliAnalysisFilter* v0Filter = new AliAnalysisFilter("v0Filter");
141 v0Filter->AddCuts(esdV0Cuts);
143 esdfilter->SetTrackFilter(trackFilter);
144 esdfilter->SetV0Filter(v0Filter);
146 // Enable writing of Muon AODs
147 esdmuonfilter->SetWriteMuonAOD(writeMuonAOD);
149 // Enable writing of Dimuon AODs
150 esdmuonfilter->SetWriteDimuonAOD(writeDimuonAOD);
152 // Create ONLY the output containers for the data produced by the task.
153 // Get and connect other common input/output containers via the manager as below
154 //==============================================================================
155 mgr->ConnectInput (esdfilter, 0, mgr->GetCommonInputContainer());
156 mgr->ConnectOutput (esdfilter, 0, mgr->GetCommonOutputContainer());
157 mgr->ConnectInput (esdmuonfilter, 0, mgr->GetCommonInputContainer());
159 mgr->ConnectInput (kinefilter, 0, mgr->GetCommonInputContainer());
160 mgr->ConnectOutput (kinefilter, 0, mgr->GetCommonOutputContainer());
161 AliAnalysisDataContainer *coutputEx = mgr->CreateContainer("cFilterList", TList::Class(),
162 AliAnalysisManager::kOutputContainer,"pyxsec_hists.root");
163 mgr->ConnectOutput (kinefilter, 1,coutputEx);