AddTaskForwardMult.C

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

  // --- Get analysis manager ----------------------------------------
  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  if (!mgr) {
    Error("AddTaskForwardMult", "No analysis manager to connect to.");
    return 0;
  }

  // --- Make the task and add it to the manager ---------------------
  AliForwardMultiplicityBase* task = 0;
  if (mc) task = new AliForwardMCMultiplicityTask("Forward");
  else    task = new AliForwardMultiplicityTask("Forward");
  task->Configure(config);

  // --- Possible set extra dead channels ----------------------------
  if (dead && dead[0] != '\0') task->GetESDFixer().AddDead(dead);
  
  // --- Set alternative corrections path ----------------------------
  AliForwardCorrectionManager& cm = AliForwardCorrectionManager::Instance();
  if (corrs && corrs[0] != '\0') cm.SetPrefix(corrs);

  // --- Do a local initialisation with assumed values ---------------
  if (sys > 0 && sNN > 0) {
    UInt_t what = AliForwardCorrectionManager::kAll;
    what ^= AliForwardCorrectionManager::kDoubleHit;
    what ^= AliForwardCorrectionManager::kVertexBias;
    what ^= AliForwardCorrectionManager::kMergingEfficiency;
  //  what ^= AliForwardCorrectionManager::kAcceptance;
    if (!cm.Init(runNo, sys,sNN,field,mc,false,what))
      Fatal("AddTaskForwardMult", "Failed to initialize corrections");
  }

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

  return task;
}

AliAnalysisTask*
AddTaskForwardMult(const Char_t* type,
       Float_t       energy=0,
       Float_t       bfield=0)
{
  // --- Load libraries ----------------------------------------------
  gROOT->LoadClass("AliAODForwardMult", "libPWGLFforward2");

  // --- Deduce parameters -------------------------------------------
  TString  t(type);
  Bool_t   mc    = t.Contains("MC", TString::kIgnoreCase);
  UShort_t sys   = AliForwardUtil::ParseCollisionSystem(type);
  UShort_t sNN   = AliForwardUtil::ParseCenterOfMassEnergy(sys, energy);
  Short_t  field = AliForwardUtil::ParseMagneticField(field);

  return AddTaskForwardMult(mc, sys, sNN, field);
}
//
// EOF
//