AddTaskCentralMult.C

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AliAnalysisTask* 
AddTaskCentralMult(Bool_t      mc=false, 
       ULong_t     runNo=0,
       UShort_t    sys=0, 
       UShort_t    sNN=0, 
       Short_t     field=0, 
       const char* config="CentralAODConfig.C", 
       const char* corrs=0)
{
  // --- Load libraries ----------------------------------------------
  gROOT->LoadClass("AliAODForwardMult", "libPWGLFforward2");

  // --- Get analysis manager ----------------------------------------
  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  if (!mgr) {
    Error("AddTaskCentralMult", "No analysis manager to connect to.");
    return NULL;
  }   

  // --- Make the task -----------------------------------------------
  AliCentralMultiplicityTask* task = 0;
  if (!mc) task = new AliCentralMultiplicityTask("Central");
  else     task = new AliCentralMCMultiplicityTask("Central");
  task->Configure(config);

  // --- Set optional corrections path -------------------------------
  AliCentralCorrectionManager& cm = 
    AliCentralCorrectionManager::Instance();
  if (corrs && corrs[0] != '\0') cm.SetPrefix(corrs); 

  // --- Prime the corrections ---------------------------------------
  if(sys>0 && sNN > 0) {
    cm.Init(runNo, sys, sNN, field);
    if (!cm.HasSecondaryCorrection()) 
      Fatal("AddTaskCentralMult", "No secondary correction defined!");
    if (!cm.HasAcceptanceCorrection()) 
      Fatal("AddTaskCentralMult", "No acceptance correction defined!");
  }

  // --- Make the output container and connect it --------------------
  task->Connect(0,0);
  
  return task;
}
//
// EOF
//