AliMCTruthdNdetaTask.h

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//
// Task to analyse the AOD for for dN/deta in the forward regions 
//
#ifndef ALIMCTRUTHDNDETATASK_H
#define ALIMCTRUTHDNDETATASK_H

#include "AliBasedNdetaTask.h"
class TList;
class TH2D;
class TH1D;

class AliMCTruthdNdetaTask : public AliBasedNdetaTask
{
public:
  AliMCTruthdNdetaTask();
  AliMCTruthdNdetaTask(const char* name);
  virtual ~AliMCTruthdNdetaTask() {}
  virtual Bool_t Finalize();
protected:
  AliMCTruthdNdetaTask(const AliMCTruthdNdetaTask& o);
  AliMCTruthdNdetaTask& operator=(const AliMCTruthdNdetaTask&);

  TH2D* GetHistogram(const AliAODEvent& aod, Bool_t mc);
  virtual Int_t GetMarker() const { return GetMarkerStyle(kStar); }
  virtual Int_t GetColor() const { return kGray+2; }
  AliBasedNdetaTask::CentralityBin* 
  MakeCentralityBin(const char* name, Float_t l, Float_t h) const;

  class CentralityBin : public AliBasedNdetaTask::CentralityBin 
  {
  public:
    CentralityBin() : AliBasedNdetaTask::CentralityBin(), fSumTruth(0) {}
    CentralityBin(const char* name, Float_t low, Float_t high)
      : AliBasedNdetaTask::CentralityBin(name, low, high), 
  fSumTruth(0)
    {}
    CentralityBin(const CentralityBin& other) 
      : AliBasedNdetaTask::CentralityBin(other), 
  fSumTruth(other.fSumTruth) 
    {}
    virtual ~CentralityBin() {}
    CentralityBin& operator=(const CentralityBin&) { return *this; }
    virtual Bool_t ProcessEvent(const AliAODForwardMult* forward, 
        UInt_t                   triggerMask,
        Bool_t                   isZero,
        Double_t                 vzMin, 
        Double_t                 vzMax, 
        const TH2D*              data, 
        const TH2D*              mc,
        UInt_t                   filter,
        Double_t                 weight);
    virtual void End(TList*      sums, 
         TList*      results,
         UShort_t    scheme,
         Double_t    trigEff,
         Double_t    trigEff0,
         Bool_t      rootProj,
         Bool_t      corrEmpty, 
         Int_t       triggerMask,
         Int_t       marker,
         Int_t       color,
         TList*      mclist,
         TList*      truthlist);
  protected: 
    TH2D*           fSumTruth;    //  Sum of primary histograms
    // ClassDef(CentralityBin,3); // A centrality bin     
  };
  Bool_t fHasData; // whether we actually have data or not 
  ClassDef(AliMCTruthdNdetaTask,3); // Determine multiplicity in forward region
};

#endif
//
// Local Variables:
//  mode: C++
// End:
//