StiHitErrorCalculator.h

#ifndef StiHitErrorCalculator_h
#define StiHitErrorCalculator_h

#include "TChair.h"
#include "tables/St_HitError_Table.h"
#include "Sti/StiNodePars.h"

class StiHitErrorCalculator : public TChair {
 public:
  HitError_st   *Struct(Int_t i = 0)    {return ((St_HitError*) Table())->GetTable()+i;}
  UInt_t        getNumRows()            {return GetNRows();}
  Double_t*     coeff(Int_t i = 0)      {return Struct(i)->coeff;} 
    virtual void  calculateError(Double_t _z,  Double_t _eta, Double_t _tanl, Double_t &ecross, Double_t &edip, Double_t fudgeFactor = 1) const;
    virtual void  calculateError(const StiNodePars *pars,Double_t &ecross,Double_t &edip, Double_t fudgeFactor = 1) const {
      calculateError(pars->z(),  pars->eta(), pars->tanl(), ecross, edip, fudgeFactor);
  }
 protected:
  StiHitErrorCalculator(St_HitError *table=0) : TChair(table) {}
  virtual ~StiHitErrorCalculator() {}
 private:
  ClassDefineChair(StiHitErrorCalculator,St_HitError, HitError_st )
  ClassDef(StiHitErrorCalculator,1) //C++ TChair for HitError table class
};
#endif