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::GetStandardITSTPCTrackCuts2011(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::GetStandardITSTPCTrackCuts2011();
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::GetStandardITSTPCTrackCuts2011();
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 // The following line is needed for 2010 PbPb reprocessing and pp, but not for 2011 PbPb
109 //esdTrackCutsTPCOnly->SetMinNClustersTPC(70);
111 // Extra cuts for hybrids
112 // first the global tracks we want to take
113 AliESDtrackCuts* esdTrackCutsHTG = AliESDtrackCuts::GetStandardITSTPCTrackCuts2011(kFALSE);
114 esdTrackCutsHTG->SetName("Global Hybrid tracks, loose DCA");
115 esdTrackCutsHTG->SetMaxDCAToVertexXY(2.4);
116 esdTrackCutsHTG->SetMaxDCAToVertexZ(3.2);
117 esdTrackCutsHTG->SetDCAToVertex2D(kTRUE);
118 esdTrackCutsHTG->SetMaxChi2TPCConstrainedGlobal(36);
120 // Than the complementary tracks which will be stored as global
121 // constraint, complement is done in the ESDFilter task
122 AliESDtrackCuts* esdTrackCutsHTGC = new AliESDtrackCuts(*esdTrackCutsHTG);
123 esdTrackCutsHTGC->SetName("Global Constraint Hybrid tracks, loose DCA no it requirement");
124 esdTrackCutsHTGC->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kOff);
125 esdTrackCutsHTGC->SetRequireITSRefit(kFALSE);
127 // standard cuts with tight DCA cut, using cluster cut instead of crossed rows (a la 2010 default)
128 AliESDtrackCuts* esdTrackCutsH2Cluster = AliESDtrackCuts::GetStandardITSTPCTrackCuts2011(kTRUE, 0);
130 // Compose the filter
131 AliAnalysisFilter* trackFilter = new AliAnalysisFilter("trackFilter");
133 trackFilter->AddCuts(esdTrackCutsL);
135 trackFilter->AddCuts(esdTrackCutsITSsa);
137 trackFilter->AddCuts(itsStrong);
138 itsStrong->SetFilterMask(1); // AND with Standard track cuts
140 trackFilter->AddCuts(electronID);
141 electronID->SetFilterMask(4); // AND with Pixel Cuts
143 trackFilter->AddCuts(esdTrackCutsH);
145 trackFilter->AddCuts(esdTrackCutsH2);
147 trackFilter->AddCuts(esdTrackCutsH3);
149 trackFilter->AddCuts(esdTrackCutsTPCOnly);
150 if(enableTPCOnlyAODTracks)esdfilter->SetTPCOnlyFilterMask(128);
151 // 256, 1 << 8 Global Hybrids
152 trackFilter->AddCuts(esdTrackCutsHTG);
153 esdfilter->SetHybridFilterMaskGlobalConstrainedGlobal((1<<8)); // these normal global tracks will be marked as hybrid
154 // 512, 1<< 9 GlobalConstraint Hybrids
155 trackFilter->AddCuts(esdTrackCutsHTGC);
156 esdfilter->SetGlobalConstrainedFilterMask(1<<9); // these tracks are written out as global constrained tracks
157 esdfilter->SetWriteHybridGlobalConstrainedOnly(kTRUE); // write only the complement
159 trackFilter->AddCuts(esdTrackCutsH2Cluster);
161 // Filter with cuts on V0s
162 AliESDv0Cuts* esdV0Cuts = new AliESDv0Cuts("Standard V0 Cuts pp", "ESD V0 Cuts");
163 esdV0Cuts->SetMinRadius(0.2);
164 esdV0Cuts->SetMaxRadius(200);
165 esdV0Cuts->SetMinDcaPosToVertex(0.05);
166 esdV0Cuts->SetMinDcaNegToVertex(0.05);
167 esdV0Cuts->SetMaxDcaV0Daughters(1.5);
168 esdV0Cuts->SetMinCosinePointingAngle(0.99);
169 AliAnalysisFilter* v0Filter = new AliAnalysisFilter("v0Filter");
170 v0Filter->AddCuts(esdV0Cuts);
172 esdfilter->SetTrackFilter(trackFilter);
173 esdfilter->SetV0Filter(v0Filter);
175 // Enable writing of Muon AODs
176 esdmuonfilter->SetWriteMuonAOD(writeMuonAOD);
178 // Enable writing of Dimuon AODs
179 esdmuonfilter->SetWriteDimuonAOD(writeDimuonAOD);
181 // Create ONLY the output containers for the data produced by the task.
182 // Get and connect other common input/output containers via the manager as below
183 //==============================================================================
184 mgr->ConnectInput (esdfilter, 0, mgr->GetCommonInputContainer());
185 mgr->ConnectOutput (esdfilter, 0, mgr->GetCommonOutputContainer());
186 mgr->ConnectInput (esdmuonfilter, 0, mgr->GetCommonInputContainer());
188 mgr->ConnectInput (kinefilter, 0, mgr->GetCommonInputContainer());
189 mgr->ConnectOutput (kinefilter, 0, mgr->GetCommonOutputContainer());
190 AliAnalysisDataContainer *coutputEx = mgr->CreateContainer("cFilterList", TList::Class(),
191 AliAnalysisManager::kOutputContainer,"pyxsec_hists.root");
192 mgr->ConnectOutput (kinefilter, 1,coutputEx);