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BremFitter.h

Go to the documentation of this file.

#ifndef ATLFAST_BREMFITTER_H
#define ATLFAST_BREMFITTER_H

#include <vector>
#include <fstream>
#include "AtlfastEvent/TrackTrajectory.h"
#include "AtlfastAlgs/Displacement.h"
#include "AtlfastAlgs/BremEtaBin.h"
#include "GaudiKernel/MsgStream.h"

  class HepJamesRandom;

namespace Atlfast {

  class CorrelatedData;

  class BremFitter{

  public:
    BremFitter(int, MsgStream&);
    ~BremFitter() {
      //      delete m_randomEngine; delete m_correlatedData;
    }
    TrackTrajectory doBremFit(const TrackTrajectory&) const;
  private:
    
    Displacement m_d0Disp;
    Displacement m_phiDisp;
    
    string m_file;
    // variables from file
    int m_nRBins, m_nEtaBins, m_nPBins;
    double m_rMin, m_rMax;
    double m_pMin, m_pMax;
    double m_p1scal, m_p2scal;
    double m_etaExtent;
    vector<BremEtaBin*> m_pTDistEtaBins;
    
    //    MsgStream& m_log;
    CorrelatedData* m_correlatedData;
    HepJamesRandom* m_randomEngine;

    // private methods
   // private methods
    double scaleDPhi(int iEta,double random, double pT, double old,
                     const Displacement& axis,
                     double deltaP) const;

    void readSingleParameter(MsgStream&, string, ifstream&, int& parameter);
    void readSingleParameter(MsgStream&, string, ifstream&, double& parameter);
    void readDisplacements(MsgStream&, ifstream&, vector<double> bremValues);
    double scalePT(double pT, double pscale) const;
    
  };
  
}//end of namespace  

#endif

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