PWGCF/EBYE/macros/AddTaskBalanceEventMixing.C

   1 // now in options
   2 //=============================================//
   3 //const char* centralityEstimator = "V0M";
   4 //const char* centralityEstimator = "CL1";
   5 //const char* centralityEstimator = "TRK";
   6 //=============================================//
   7 //Bool_t gRunShuffling = kFALSE;
   8 //Bool_t gRunShuffling = kTRUE;
   9 //=============================================//
  10
  11 //PID config
  12 Bool_t kUseNSigmaPID = kFALSE;
  13 Double_t nSigmaMax = 3.0;
  14 Bool_t kUseBayesianPID = kTRUE;
  15 Double_t gMinAcceptedProbability = 0.7;
  16
  17 //_________________________________________________________//
  18 AliAnalysisTaskEventMixingBF *AddTaskBalanceEventMixing(Double_t centrMin=0.,
  19                                                         Double_t centrMax=100.,
  20                                                         Bool_t gRunShuffling=kFALSE,
  21                                                         TString centralityEstimator="V0M",
  22                                                         Double_t vertexZ=10.,
  23                                                         Double_t DCAxy=-1,
  24                                                         Double_t DCAz=-1,
  25                                                         Double_t ptMin=0.3,
  26                                                         Double_t ptMax=1.5,
  27                                                         Double_t etaMin=-0.8,
  28                                                         Double_t etaMax=0.8,
  29                                                         Double_t maxTPCchi2 = -1,
  30                                                         Int_t minNClustersTPC = -1,
  31                                                         Bool_t kUsePID = kFALSE,
  32                                                         Int_t AODfilterBit = 128,
  33                                                         Bool_t bCentralTrigger = kFALSE,
  34                                                         Bool_t bHBTcut = kFALSE,
  35                                                         Bool_t bConversionCut = kFALSE,
  36                                                         TString fileNameBase="AnalysisResults") {
  37
  38   // Creates a balance function analysis task and adds it to the analysis manager.
  39   // Get the pointer to the existing analysis manager via the static access method.
  40   TString centralityName("");
  41   centralityName+=Form("%.0f",centrMin);
  42   centralityName+="-";
  43   centralityName+=Form("%.0f",centrMax);
  44   centralityName+="_";
  45   centralityName+=Form("%s",centralityEstimator.Data());
  46   centralityName+="_";
  47   centralityName+=Form("vZ%.1f",vertexZ);
  48   centralityName+="_";
  49   centralityName+=Form("DCAxy%.1f",DCAxy);
  50   centralityName+="_";
  51   centralityName+=Form("DCAz%.1f",DCAz);
  52   centralityName+="_Pt";
  53   centralityName+=Form("%.1f",ptMin);
  54   centralityName+="-";
  55   centralityName+=Form("%.1f",ptMax);
  56   centralityName+="_Eta";
  57   centralityName+=Form("%.1f",etaMin);
  58   centralityName+="-";
  59   centralityName+=Form("%.1f",etaMax);
  60   centralityName+="_Chi";
  61   centralityName+=Form("%.1f",maxTPCchi2);
  62   centralityName+="_nClus";
  63   centralityName+=Form("%d",minNClustersTPC);
  64   centralityName+="_Bit";
  65   centralityName+=Form("%d",AODfilterBit);
  66   if(bCentralTrigger)   centralityName+="_withCentralTrigger";
  67   if(bHBTcut)           centralityName+="_withHBTcut";
  68   if(bConversionCut)    centralityName+="_withConversionCut";
  69
  70
  71
  72
  73
  74   TString outputFileName(fileNameBase);
  75   outputFileName.Append(".root");
  76
  77   //===========================================================================
  78   AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  79   if (!mgr) {
  80     ::Error("AddTaskEventMixingBF", "No analysis manager to connect to.");
  81     return NULL;
  82   }
  83
  84   // Check the analysis type using the event handlers connected to the analysis manager.
  85   //===========================================================================
  86   if (!mgr->GetInputEventHandler()) {
  87     ::Error("AddTaskEventMixingBF", "This task requires an input event handler");
  88     return NULL;
  89   }
  90   TString analysisType = mgr->GetInputEventHandler()->GetDataType(); // can be "ESD" or "AOD"
  91   if(dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler())) analysisType = "MC";
  92
  93   // for local changed EventMixingBF configuration
  94   //gROOT->LoadMacro("./configBalanceFunctionAnalysisEventMixing.C");
  95   gROOT->LoadMacro("$ALICE_ROOT/PWGCF/EBYE/macros/configBalanceFunctionAnalysisEventMixing.C");
  96   AliBalanceEventMixing *bf  = 0;  // Balance Function object
  97   AliBalanceEventMixing *bfs = 0;  // shuffled Balance function object
  98
  99   if (analysisType=="ESD"){
 100     bf  = GetBalanceFunctionObject("ESD",centralityEstimator,centrMin,centrMax,kFALSE,bHBTcut,bConversionCut);
 101     if(gRunShuffling) bfs = GetBalanceFunctionObject("ESD",centralityEstimator,centrMin,centrMax,kTRUE,bHBTcut,bConversionCut);
 102   }
 103   else if (analysisType=="AOD"){
 104     bf  = GetBalanceFunctionObject("AOD",centralityEstimator,centrMin,centrMax,kFALSE,bHBTcut,bConversionCut);
 105     if(gRunShuffling) bfs = GetBalanceFunctionObject("AOD",centralityEstimator,centrMin,centrMax,kTRUE,bHBTcut,bConversionCut);
 106   }
 107   else if (analysisType=="MC"){
 108     bf  = GetBalanceFunctionObject("MC",centralityEstimator,centrMin,centrMax,kFALSE,bHBTcut,bConversionCut);
 109     if(gRunShuffling) bfs = GetBalanceFunctionObject("MC",centralityEstimator,centrMin,centrMax,kTRUE,bHBTcut,bConversionCut);
 110   }
 111   else{
 112     ::Error("AddTaskEventMixingBF", "analysis type NOT known.");
 113     return NULL;
 114   }
 115
 116   // Create the task, add it to manager and configure it.
 117   //===========================================================================
 118   AliAnalysisTaskEventMixingBF *taskEventMixingBF = new AliAnalysisTaskEventMixingBF("TaskEventMixingBF");
 119   taskEventMixingBF->SetAnalysisObject(bf);
 120   if(gRunShuffling) taskEventMixingBF->SetShufflingObject(bfs);
 121
 122   taskEventMixingBF->SetCentralityPercentileRange(centrMin,centrMax);
 123   if(analysisType == "ESD") {
 124     AliESDtrackCuts *trackCuts = GetTrackCutsObject(ptMin,ptMax,etaMin,etaMax,maxTPCchi2,DCAxy,DCAz,minNClustersTPC);
 125     taskEventMixingBF->SetAnalysisCutObject(trackCuts);
 126     if(kUsePID) {
 127       if(kUseBayesianPID)
 128         taskEventMixingBF->SetUseBayesianPID(gMinAcceptedProbability);
 129       else if(kUseNSigmaPID)
 130         taskEventMixingBF->SetUseNSigmaPID(nSigmaMax);
 131       taskEventMixingBF->SetParticleOfInterest(AliAnalysistaskEventMixingBF::kProton);
 132       taskEventMixingBF->SetDetectorUsedForPID(AliAnalysisTaskEventMixingBF::kTOFpid);
 133     }
 134   }
 135   else if(analysisType == "AOD") {
 136     // pt and eta cut (pt_min, pt_max, eta_min, eta_max)
 137     taskEventMixingBF->SetAODtrackCutBit(AODfilterBit);
 138     taskEventMixingBF->SetKinematicsCutsAOD(ptMin,ptMax,etaMin,etaMax);
 139
 140     // set extra DCA cuts (-1 no extra cut)
 141     taskEventMixingBF->SetExtraDCACutsAOD(DCAxy,DCAz);
 142
 143     // set extra TPC chi2 / nr of clusters cut
 144     taskEventMixingBF->SetExtraTPCCutsAOD(maxTPCchi2, minNClustersTPC);
 145
 146   }
 147   else if(analysisType == "MC") {
 148     taskEventMixingBF->SetKinematicsCutsAOD(ptMin,ptMax,etaMin,etaMax);
 149   }
 150
 151   // offline trigger selection (AliVEvent.h)
 152   // taskEventMixingBF->UseOfflineTrigger(); // NOT used (selection is done with the AliAnalysisTaskSE::SelectCollisionCandidates())
 153   // with this only selected events are analyzed (first 2 bins in event QA histogram are the same))
 154   // documentation in https://twiki.cern.ch/twiki/bin/viewauth/ALICE/PWG1EvSelDocumentation
 155   if(bCentralTrigger) taskEventMixingBF->SelectCollisionCandidates(AliVEvent::kMB | AliVEvent::kCentral | AliVEvent::kSemiCentral);
 156   else                taskEventMixingBF->SelectCollisionCandidates(AliVEvent::kMB);
 157
 158   // centrality estimator (default = V0M)
 159   taskEventMixingBF->SetCentralityEstimator(centralityEstimator);
 160
 161   // vertex cut (x,y,z)
 162   taskEventMixingBF->SetVertexDiamond(.3,.3,vertexZ);
 163
 164
 165
 166   //bf->PrintAnalysisSettings();
 167   mgr->AddTask(taskEventMixingBF);
 168
 169   // Create ONLY the output containers for the data produced by the task.
 170   // Get and connect other common input/output containers via the manager as below
 171   //==============================================================================
 172   TString outputFileName = AliAnalysisManager::GetCommonFileName();
 173   outputFileName += ":PWGCFEbyE.outputBalanceFunctionAnalysis";
 174   AliAnalysisDataContainer *coutQA = mgr->CreateContainer(Form("listQA_%s",centralityName.Data()), TList::Class(),AliAnalysisManager::kOutputContainer,outputFileName.Data());
 175   AliAnalysisDataContainer *coutEventMixingBF = mgr->CreateContainer(Form("listEventMixingBF_%s",centralityName.Data()), TList::Class(),AliAnalysisManager::kOutputContainer,outputFileName.Data());
 176   if(gRunShuffling) AliAnalysisDataContainer *coutEventMixingBFS = mgr->CreateContainer(Form("listEventMixingBFShuffled_%s",centralityName.Data()), TList::Class(),AliAnalysisManager::kOutputContainer,outputFileName.Data());
 177   if(kUsePID) AliAnalysisDataContainer *coutQAPID = mgr->CreateContainer(Form("listQAPID_%s",centralityName.Data()), TList::Class(),AliAnalysisManager::kOutputContainer,outputFileName.Data());
 178
 179   mgr->ConnectInput(taskEventMixingBF, 0, mgr->GetCommonInputContainer());
 180   mgr->ConnectOutput(taskEventMixingBF, 1, coutQA);
 181   mgr->ConnectOutput(taskEventMixingBF, 2, coutEventMixingBF);
 182   if(gRunShuffling) mgr->ConnectOutput(taskEventMixingBF, 3, coutEventMixingBFS);
 183   if(kUsePID && analysisType == "ESD") mgr->ConnectOutput(taskEventMixingBF, 4, coutQAPID);
 184
 185   return taskEventMixingBF;
 186 }