AliForwardFlowWeights.h

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#ifndef ALIROOT_ALIFORWARDFLOWWEIGHTS
#define ALIROOT_ALIFORWARDFLOWWEIGHTS

#include "AliBaseMCWeights.h"
class TGraph;
class TF1;


class AliForwardFlowWeights : public AliBaseMCWeights
{
public:
  enum { 
    kEta   = 0x01,  // include eta effect 
    kPt    = 0x02,  // include pt effect
    kPID   = 0x04,  // include PID effect
    kCent  = 0x08,  // include centrality effect
    kB     = 0x10   // include impact parmaeter effect
  };
  AliForwardFlowWeights();
  AliForwardFlowWeights(const AliForwardFlowWeights& o);
  AliForwardFlowWeights& operator=(const AliForwardFlowWeights& o);
  virtual ~AliForwardFlowWeights();

  virtual void Init(TList* l);
  Double_t CalcWeight(Double_t eta, 
          Double_t pt, 
          Double_t phi,  
          Int_t    id, 
          Double_t phiR, 
          Double_t bOrC, 
          Int_t    type, 
          UShort_t order,
          UShort_t what) const;
  virtual Double_t CalcWeight(Double_t eta,
            Double_t pt, 
            Double_t phi,
            Int_t id, 
            Double_t phiR,
            Double_t b) const;
  static AliForwardFlowWeights* FromList(TList* l);
  virtual void Print(Option_t* option="") const;
protected:
  Double_t CalcEtaWeight(Double_t eta, Int_t type) const;
  Double_t CalcPidWeight(Int_t id, Int_t type) const;
  Double_t CalcPtWeight(Double_t pt, Int_t type) const;
  Double_t CalcCentWeight(Double_t c) const;
  Double_t CalcBWeight(Double_t b) const;

  TGraph* fV22Pt;    // Contribution from v2{2} as a function of pt
  TGraph* fV24Pt;    // Contribution from v2{4} as a function of pt
  TGraph* fV24AltPt; // Contribution from v2{4} as a function of pt
  TGraph* fV2B;      // Contribution from v2 as a function of b
  TGraph* fV2C;      // Contribution from v2 as a function of centrality
    
  ClassDef(AliForwardFlowWeights,3);
};

#endif
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//