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00001 #ifndef EgammaIsolationAlgos_ElectronTkIsolation_h
00002 #define EgammaIsolationAlgos_ElectronTkIsolation_h
00003 //*****************************************************************************
00004 // File:      ElectronTkIsolation.h
00005 // ----------------------------------------------------------------------------
00006 // OrigAuth:  Matthias Mozer
00007 // Institute: IIHE-VUB
00008 //=============================================================================
00009 //*****************************************************************************
00010 
00011 //C++ includes
00012 #include <vector>
00013 #include <functional>
00014 
00015 //Root includes
00016 #include "TObjArray.h"
00017 
00018 //CMSSW includes 
00019 #include "FWCore/Framework/interface/ESHandle.h"
00020 #include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
00021 #include "DataFormats/TrackReco/interface/Track.h"
00022 #include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaTrackSelector.h"
00023 
00024 #include<string>
00025 
00026 
00027 class ElectronTkIsolation {
00028  public:
00029   
00030   //constructors
00031   ElectronTkIsolation ( double extRadius,
00032                         double intRadius,
00033                         double ptLow,
00034                         double lip,
00035                         double drb,
00036                         const reco::TrackCollection* trackCollection,
00037                         reco::TrackBase::Point beamPoint) :
00038   extRadius_(extRadius),
00039   intRadiusBarrel_(intRadius),
00040   intRadiusEndcap_(intRadius),
00041   stripBarrel_(0.0),
00042   stripEndcap_(0.0),
00043   ptLow_(ptLow),
00044   lip_(lip),
00045   drb_(drb),
00046   trackCollection_(trackCollection),
00047   beamPoint_(beamPoint) {
00048 
00049         setDzOption("vz");
00050 
00051   }
00052 
00053   ElectronTkIsolation ( double extRadius,
00054                         double intRadiusBarrel,
00055                                     double intRadiusEndcap,
00056                                     double stripBarrel,
00057                                     double stripEndcap,                 
00058                         double ptLow,
00059                         double lip,
00060                         double drb,
00061                         const reco::TrackCollection* trackCollection,
00062                         reco::TrackBase::Point beamPoint) :
00063   extRadius_(extRadius),
00064   intRadiusBarrel_(intRadiusBarrel),
00065   intRadiusEndcap_(intRadiusEndcap),
00066   stripBarrel_(stripBarrel),
00067   stripEndcap_(stripEndcap),
00068   ptLow_(ptLow),
00069   lip_(lip),
00070   drb_(drb),
00071   trackCollection_(trackCollection),
00072   beamPoint_(beamPoint) {
00073 
00074         setDzOption("vz");
00075 
00076   }
00077 
00078   ElectronTkIsolation ( double extRadius,
00079                         double intRadiusBarrel,
00080                                     double intRadiusEndcap,
00081                                     double stripBarrel,
00082                                     double stripEndcap,                 
00083                         double ptLow,
00084                         double lip,
00085                         double drb,
00086                         const reco::TrackCollection*,
00087                         reco::TrackBase::Point beamPoint,
00088                         const std::string&) ;
00089 
00090   //destructor 
00091   ~ElectronTkIsolation() ;
00092  
00093   //methods
00094 
00095     void setDzOption(const std::string &s) {
00096         if( ! s.compare("dz") )      dzOption_ = egammaisolation::EgammaTrackSelector::dz;
00097         else if( ! s.compare("vz") ) dzOption_ = egammaisolation::EgammaTrackSelector::vz;
00098         else if( ! s.compare("bs") ) dzOption_ = egammaisolation::EgammaTrackSelector::bs;
00099         else if( ! s.compare("vtx") )dzOption_ = egammaisolation::EgammaTrackSelector::vtx;
00100         else                         dzOption_ = egammaisolation::EgammaTrackSelector::dz;
00101     }
00102 
00103   int getNumberTracks(const reco::GsfElectron*) const ;
00104   double getPtTracks (const reco::GsfElectron*) const ;
00105   std::pair<int,double>getIso(const reco::Track*) const ;
00106 
00107  private:
00108     
00109   double extRadius_ ;
00110   double intRadiusBarrel_ ;
00111   double intRadiusEndcap_ ;
00112   double stripBarrel_ ;
00113   double stripEndcap_ ;
00114   double ptLow_ ;
00115   double lip_ ;
00116   double drb_;
00117   const reco::TrackCollection *trackCollection_ ;
00118   reco::TrackBase::Point beamPoint_;
00119 
00120   int dzOption_;
00121 
00122   std::pair<int,double>getIso(const reco::GsfElectron*) const;
00123   
00124 };
00125 
00126 #endif
/data/refman/pasoursint/CMSSW_5_3_0/src/RecoEgamma/EgammaIsolationAlgos/interface/ElectronTkIsolation.h
