BPFPId.h

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///////////////////////////////////////////////////////////
//
// \file    BPFPId.h
// \brief   Header for the energy object created by
//          BPFPId_module.cc.
// \version
// \author  Michael Baird - mbaird42@fnal.gov & Jonathan Davies - jpdavies@sussex.ac.uk
//
///////////////////////////////////////////////////////////
#ifndef BPFIT_BPFPID_H
#define BPFIT_BPFPID_H

#include <vector>

#include "RecoBase/Track.h"
#include "RecoBase/PID.h"

#ifndef __GCCXML__
#include "art/Framework/Principal/Event.h"
#endif // __GCCXML__

namespace bpfit
{

  class BPFPId : public rb::PID
  {
  public:
    
    BPFPId();
    BPFPId(int pdg, double val);
     
    ///Set fLength, fChi2T, fdEdXLL and fHitRatio to default values
    void SetDefaults();

    //Setter Functions
    void SetLength(double length){ fLength = length; }
    void SetChi2T(double chi2T){ fChi2T = chi2T; }
    void SetdEdXLL(double dEdXLL){ fdEdXLL = dEdXLL; }
    void SetHitRatio(double hitRatio){ fHitRatio = hitRatio; }

    //Getter Functions
    float GetLength() const { return fLength; }
    float GetChi2T() const { return fChi2T; }
    float GetdEdXLL() const { return fdEdXLL; }
    float GetHitRatio() const { return fHitRatio; }

    //   HighestPIDTrack


  private:
    
    ///Track Length
    float fLength;
    ///BreakPointFitter track total chi^2 (sum of hit plus plane chi^2)
    float fChi2T;
    ///dE/dX log likelihood total for the BreakPointFitter Track
    float fdEdXLL;
    ///Ratio of on track to  on + off track hits
    float fHitRatio;      

  };

#ifndef __GCCXML__
/// Function which finds index of the best BPF track among a vector of tracks. 
/// Requires the event to fetch associated BPF objects and the module label
unsigned int HighestPIDTrack(
                const std::vector< art::Ptr<rb::Track> >& sliceTracks,
                const std::string& bpfpidModuleLabel, 
                const int & pdg,
                const art::Event& e);
#endif // __GCCXML__

}
#endif // BPFIT_BPFPIF_H