PhotonTkIsolation.h

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#ifndef PhotonTkIsolation_h
#define PhotonTkIsolation_h
 
//*****************************************************************************
// File:      PhotonTkIsolation.h
// ----------------------------------------------------------------------------
// OrigAuth:  Matthias Mozer
// Institute: IIHE-VUB
//=============================================================================
//*****************************************************************************
 
//C++ includes
#include <string>
#
//CMSSW includes
#include "FWCore/Framework/interface/ESHandle.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaTrackSelector.h"
 
class PhotonTkIsolation {
public:
  //constructors
  PhotonTkIsolation(float extRadius,
                    float intRadius,
                    float etLow,
                    float lip,
                    float drb,
                    const reco::TrackCollection* trackCollection,
                    reco::TrackBase::Point beamPoint)
      : extRadius2_(extRadius * extRadius),
        intRadiusBarrel2_(intRadius * intRadius),
        intRadiusEndcap2_(intRadius * intRadius),
        stripBarrel_(0.0),
        stripEndcap_(0.0),
        etLow_(etLow),
        lip_(lip),
        drb_(drb),
        trackCollection_(trackCollection),
        beamPoint_(beamPoint) {
    setDzOption("vz");
  }
 
  PhotonTkIsolation(float extRadius,
                    float intRadius,
                    float strip,
                    float etLow,
                    float lip,
                    float drb,
                    const reco::TrackCollection* trackCollection,
                    reco::TrackBase::Point beamPoint)
      : extRadius2_(extRadius * extRadius),
        intRadiusBarrel2_(intRadius * intRadius),
        intRadiusEndcap2_(intRadius * intRadius),
        stripBarrel_(strip),
        stripEndcap_(strip),
        etLow_(etLow),
        lip_(lip),
        drb_(drb),
        trackCollection_(trackCollection),
        beamPoint_(beamPoint) {
    setDzOption("vz");
  }
 
  PhotonTkIsolation(float extRadius,
                    float intRadiusBarrel,
                    float intRadiusEndcap,
                    float stripBarrel,
                    float stripEndcap,
                    float etLow,
                    float lip,
                    float drb,
                    const reco::TrackCollection* trackCollection,
                    reco::TrackBase::Point beamPoint)
      : extRadius2_(extRadius * extRadius),
        intRadiusBarrel2_(intRadiusBarrel * intRadiusBarrel),
        intRadiusEndcap2_(intRadiusEndcap * intRadiusEndcap),
        stripBarrel_(stripBarrel),
        stripEndcap_(stripEndcap),
        etLow_(etLow),
        lip_(lip),
        drb_(drb),
        trackCollection_(trackCollection),
        beamPoint_(beamPoint) {
    setDzOption("vz");
  }
 
  PhotonTkIsolation(float extRadius,
                    float intRadiusBarrel,
                    float intRadiusEndcap,
                    float stripBarrel,
                    float stripEndcap,
                    float etLow,
                    float lip,
                    float drb,
                    const reco::TrackCollection*,
                    reco::TrackBase::Point beamPoint,
                    const std::string&);
 
  //destructor
  ~PhotonTkIsolation();
  //methods
 
  std::pair<int, float> getIso(const reco::Candidate*) const;
 
  void setDzOption(const std::string& s);
 
private:
  float extRadius2_;
  float intRadiusBarrel2_;
  float intRadiusEndcap2_;
  float stripBarrel_;
  float stripEndcap_;
  float etLow_;
  float lip_;
  float drb_;
 
  const reco::TrackCollection* trackCollection_;
  reco::TrackBase::Point beamPoint_;
 
  int dzOption_;
};
 
#endif