AliTPCGGVoltError.h

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#ifndef ALI_TPCGG_VOLT_ERROR_H
#define ALI_TPCGG_VOLT_ERROR_H

/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */



#include "AliTPCCorrection.h"

class AliTPCGGVoltError : public AliTPCCorrection {
public:
  AliTPCGGVoltError();
  virtual ~AliTPCGGVoltError();

  // initialization and update functions
  virtual void Init();
  virtual void Update(const TTimeStamp &timeStamp);

  // common setters and getters for ExB
  virtual void SetOmegaTauT1T2(Float_t omegaTau,Float_t t1,Float_t t2) {
    fT1=t1; fT2=t2;
    const Double_t wt0=t2*omegaTau;     fC0=1./(1.+wt0*wt0);
    const Double_t wt1=t1*omegaTau;     fC1=wt1/(1.+wt1*wt1);
  };

  void SetC0C1(Double_t c0,Double_t c1) {fC0=c0;fC1=c1;} // CAUTION: USE WITH CARE
  Float_t GetC0() const {return fC0;}
  Float_t GetC1() const {return fC1;}

  // setters and getters for GG
  void SetDeltaVGGA(Double_t deltaVGGA) {fDeltaVGGA=deltaVGGA;}
  void SetDeltaVGGC(Double_t deltaVGGC) {fDeltaVGGC=deltaVGGC;}
  Double_t GetDeltaVGGA() const {return fDeltaVGGA;}
  Double_t GetDeltaVGGC() const {return fDeltaVGGC;}

  void InitGGVoltErrorDistortion();

  Float_t GetIntErOverEz(const Float_t x[],const Short_t roc);

  virtual void Print(const Option_t* option="") const;

protected:
  virtual void GetCorrection(const Float_t x[],const Short_t roc, Float_t dx[]);
private:

  Float_t fC0; 
  Float_t fC1; 

  Double_t fDeltaVGGA;            
  Double_t fDeltaVGGC;            
  Double_t fGGVoltErrorER[kNZ][kNR]; 

  Bool_t fInitLookUp;             

  ClassDef(AliTPCGGVoltError,1);
};

#endif