PWGLF/STRANGENESS/Correlations/macros/AddTaskV0ChCorrelations.C

   1 // runV0ChCorrelations.C
   2 //
   3 // AddTask for AliAnalysisTaskV0ChCorrelations task
   4 //
   5 AliAnalysisTaskV0ChCorrelations *AddTaskV0ChCorrelations(const Bool_t bMCtruth=kTRUE,
   6                                                                                                                  Float_t DcaDToPV = 0.5,
   7                                                                                                                  Float_t DcaV0D = 0.1
   8                                                                                                                 )
   9 {
  10   // Creates a V0Ch correlations analysis task and adds it to the analysis manager.
  11
  12   // Get the pointer to the existing analysis manager via the static access method.
  13   //==============================================================================
  14
  15     AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  16     if (!mgr) {
  17       ::Error("AddTaskV0ChCorrelations", "No analysis manager to connect to.");
  18       return NULL;
  19     }
  20
  21     // mc event handlerrunEx01.C
  22     /*
  23         if(bMCtruth) {
  24                 cout << "I am here too! " << endl;
  25         AliAODMCEventHandler* mchandler = new AliAODMCEventHandler();
  26         // Not reading track references
  27         mchandler->SetReadTR(kFALSE);
  28         mgr->SetMCtruthEventHandler(mchandler);
  29     }
  30 */
  31         // create task
  32     AliAnalysisTaskV0ChCorrelations* task = new AliAnalysisTaskV0ChCorrelations("V0ChCorrelations_task");
  33     task->SetAnalysisMC(bMCtruth);
  34         task->SetDcaDToPV(DcaDToPV);
  35         task->SetDcaV0D(DcaV0D);
  36     mgr->AddTask(task);
  37
  38     // Create ONLY the output containers for the data produced by the task.
  39     // Get and connect other common input/output containers via the manager as below
  40     //==============================================================================
  41     TString outputFileName = AliAnalysisManager::GetCommonFileName();
  42     //outputFileName = "list.grid.v0ch.root";
  43
  44     // create containers for input/output
  45     AliAnalysisDataContainer *cinput = mgr->GetCommonInputContainer();
  46     AliAnalysisDataContainer *coutput1 = mgr->CreateContainer("coutput1", TList::Class(), AliAnalysisManager::kOutputContainer, outputFileName);
  47
  48     // connect input/output
  49     mgr->ConnectInput(task, 0, cinput);
  50     mgr->ConnectOutput(task, 1, coutput1);
  51
  52     // Return task pointer at the end
  53     return task;
  54 }
  55