#include <ElectronTkIsolation.h>

Public Member Functions
	ElectronTkIsolation (double extRadius, double intRadius, double ptLow, double lip, double drb, const reco::TrackCollection *trackCollection, reco::TrackBase::Point beamPoint)

	ElectronTkIsolation (double extRadius, double intRadiusBarrel, double intRadiusEndcap, double stripBarrel, double stripEndcap, double ptLow, double lip, double drb, const reco::TrackCollection *trackCollection, reco::TrackBase::Point beamPoint)

	ElectronTkIsolation (double extRadius, double intRadiusBarrel, double intRadiusEndcap, double stripBarrel, double stripEndcap, double ptLow, double lip, double drb, const reco::TrackCollection *, reco::TrackBase::Point beamPoint, const std::string &)

std::pair< int, double >	getIso (const reco::GsfElectron *) const

std::pair< int, double >	getIso (const reco::Track *) const

int	getNumberTracks (const reco::GsfElectron *) const

double	getPtTracks (const reco::GsfElectron *) const

void	setDzOption (const std::string &s)

	~ElectronTkIsolation ()

Private Member Functions
bool	passAlgo (const reco::TrackBase &trk) const

void	setAlgosToReject ()

Private Attributes
std::vector< int >	algosToReject_

reco::TrackBase::Point	beamPoint_

double	drb_

int	dzOption_

double	extRadius_

double	intRadiusBarrel_

double	intRadiusEndcap_

double	lip_

double	ptLow_

double	stripBarrel_

double	stripEndcap_

const reco::TrackCollection *	trackCollection_

Detailed Description

Definition at line 27 of file ElectronTkIsolation.h.

Constructor & Destructor Documentation

ElectronTkIsolation::ElectronTkIsolation	(	double	extRadius,
		double	intRadius,
		double	ptLow,
		double	lip,
		double	drb,
		const reco::TrackCollection *	trackCollection,
		reco::TrackBase::Point	beamPoint
	)

inline

Definition at line 31 of file ElectronTkIsolation.h.

References setAlgosToReject(), and setDzOption().

                                           :
   extRadius_(extRadius),
   intRadiusBarrel_(intRadius),
   intRadiusEndcap_(intRadius),
   stripBarrel_(0.0),
   stripEndcap_(0.0),
   ptLow_(ptLow),
   lip_(lip),
   drb_(drb),
   trackCollection_(trackCollection),
   beamPoint_(beamPoint) {
         setAlgosToReject();
         setDzOption("vz");
 
   }

ElectronTkIsolation::ElectronTkIsolation	(	double	extRadius,
		double	intRadiusBarrel,
		double	intRadiusEndcap,
		double	stripBarrel,
		double	stripEndcap,
		double	ptLow,
		double	lip,
		double	drb,
		const reco::TrackCollection *	trackCollection,
		reco::TrackBase::Point	beamPoint
	)

inline

Definition at line 53 of file ElectronTkIsolation.h.

References setAlgosToReject(), and setDzOption().

                                                       :
   extRadius_(extRadius),
   intRadiusBarrel_(intRadiusBarrel),
   intRadiusEndcap_(intRadiusEndcap),
   stripBarrel_(stripBarrel),
   stripEndcap_(stripEndcap),
   ptLow_(ptLow),
   lip_(lip),
   drb_(drb),
   trackCollection_(trackCollection),
   beamPoint_(beamPoint) {
         setAlgosToReject();
         setDzOption("vz");
 
   }

ElectronTkIsolation::ElectronTkIsolation	(	double	extRadius,
		double	intRadiusBarrel,
		double	intRadiusEndcap,
		double	stripBarrel,
		double	stripEndcap,
		double	ptLow,
		double	lip,
		double	drb,
		const reco::TrackCollection *	trackCollection,
		reco::TrackBase::Point	beamPoint,
		const std::string &	dzOptionString
	)

Definition at line 26 of file ElectronTkIsolation.cc.

References setAlgosToReject(), and setDzOption().

                                                                            :
   extRadius_(extRadius),
   intRadiusBarrel_(intRadiusBarrel),
   intRadiusEndcap_(intRadiusEndcap),
   stripBarrel_(stripBarrel),
   stripEndcap_(stripEndcap),
   ptLow_(ptLow),
   lip_(lip),
   drb_(drb),
   trackCollection_(trackCollection),
   beamPoint_(beamPoint)
 {
     setAlgosToReject();
     setDzOption(dzOptionString);
 }

ElectronTkIsolation::~ElectronTkIsolation ( )

Definition at line 52 of file ElectronTkIsolation.cc.

53 {}

Member Function Documentation

std::pair< int, double > ElectronTkIsolation::getIso ( const reco::GsfElectron * electron ) const

Definition at line 55 of file ElectronTkIsolation.cc.

References reco::GsfElectron::gsfTrack().

Referenced by getNumberTracks(), getPtTracks(), and EgammaHLTElectronTrackIsolationProducers::produce().

                                                                                      {
   return getIso(&(*(electron->gsfTrack())));
 }

std::pair< int, double > ElectronTkIsolation::getIso ( const reco::Track * tmpTrack ) const

Definition at line 60 of file ElectronTkIsolation.cc.

References funct::abs(), beamPoint_, egammaisolation::EgammaTrackSelector::bs, counter, HLT_FULL_cff::DeltaR, runTauDisplay::dr, drb_, egammaisolation::EgammaTrackSelector::dz, dzOption_, intRadiusBarrel_, intRadiusEndcap_, GeomDetEnumerators::isBarrel(), lip_, passAlgo(), ptLow_, stripBarrel_, stripEndcap_, reco::TrackBase::vertex(), egammaisolation::EgammaTrackSelector::vtx, and egammaisolation::EgammaTrackSelector::vz.

 {
   int counter  =0 ;
   double ptSum =0.;
   //Take the electron track
   //reco::GsfTrackRef tmpTrack = electron->gsfTrack() ;
   math::XYZVector tmpElectronMomentumAtVtx = (*tmpTrack).momentum () ; 
   double tmpElectronEtaAtVertex = (*tmpTrack).eta();
 
 
   for ( reco::TrackCollection::const_iterator itrTr  = (*trackCollection_).begin() ; 
     itrTr != (*trackCollection_).end()   ; 
     ++itrTr ) {
 
     double this_pt  = (*itrTr).pt();
     if ( this_pt < ptLow_ ) continue;
 
 
     double dzCut = 0;
     switch( dzOption_ ) {
         case egammaisolation::EgammaTrackSelector::dz : dzCut = fabs( (*itrTr).dz() - (*tmpTrack).dz() ); break;
         case egammaisolation::EgammaTrackSelector::vz : dzCut = fabs( (*itrTr).vz() - (*tmpTrack).vz() ); break;
         case egammaisolation::EgammaTrackSelector::bs : dzCut = fabs( (*itrTr).dz(beamPoint_) - (*tmpTrack).dz(beamPoint_) ); break;
         case egammaisolation::EgammaTrackSelector::vtx: dzCut = fabs( (*itrTr).dz(tmpTrack->vertex()) ); break;
         default : dzCut = fabs( (*itrTr).vz() - (*tmpTrack).vz() ); break;
     }
     if (dzCut > lip_ ) continue;
     if (fabs( (*itrTr).dxy(beamPoint_) ) > drb_   ) continue;
     double dr = ROOT::Math::VectorUtil::DeltaR(itrTr->momentum(),tmpElectronMomentumAtVtx) ;
     double deta = (*itrTr).eta() - tmpElectronEtaAtVertex;
     bool isBarrel = std::abs(tmpElectronEtaAtVertex) < 1.479;
     double intRadius = isBarrel ? intRadiusBarrel_ : intRadiusEndcap_;
     double strip = isBarrel ? stripBarrel_ : stripEndcap_;
     if(dr < extRadius_ && dr>=intRadius && std::abs(deta) >=strip && passAlgo(*itrTr)){
         
         ++counter ;
         ptSum += this_pt;
     }
 
   }//end loop over tracks                 
   
   std::pair<int,double> retval;
   retval.first  = counter;
   retval.second = ptSum;
   
   return retval;
 }

int ElectronTkIsolation::getNumberTracks ( const reco::GsfElectron * electron ) const

Definition at line 109 of file ElectronTkIsolation.cc.

References getIso().

Referenced by EgammaElectronTkNumIsolationProducer::produce().

 {  
   //counter for the tracks in the isolation cone
   return getIso(electron).first ;
 }

double ElectronTkIsolation::getPtTracks ( const reco::GsfElectron * electron ) const

Definition at line 115 of file ElectronTkIsolation.cc.

References getIso().

Referenced by GsfElectronAlgo::createElectron(), and EgammaElectronTkIsolationProducer::produce().

 {
   return getIso(electron).second ;
 }

bool ElectronTkIsolation::passAlgo ( const reco::TrackBase & trk ) const

private

Definition at line 121 of file ElectronTkIsolation.cc.

References ecalcalib_dqm_sourceclient-live_cfg::algo, reco::TrackBase::algo(), and algosToReject_.

Referenced by getIso().

 {
   int algo = trk.algo();
   bool rejAlgo=std::binary_search(algosToReject_.begin(),algosToReject_.end(),algo);
   return rejAlgo==false;
 }

void ElectronTkIsolation::setAlgosToReject ( )

private

Definition at line 129 of file ElectronTkIsolation.cc.

References algosToReject_, and reco::TrackBase::jetCoreRegionalStep.

Referenced by ElectronTkIsolation().

 {
   algosToReject_={reco::TrackBase::jetCoreRegionalStep};
   std::sort(algosToReject_.begin(),algosToReject_.end());
 }

void ElectronTkIsolation::setDzOption ( const std::string & s )

inline

Definition at line 95 of file ElectronTkIsolation.h.

References egammaisolation::EgammaTrackSelector::bs, egammaisolation::EgammaTrackSelector::dz, dzOption_, egammaisolation::EgammaTrackSelector::vtx, and egammaisolation::EgammaTrackSelector::vz.

Referenced by ElectronTkIsolation().

                                          {
         if( ! s.compare("dz") )      dzOption_ = egammaisolation::EgammaTrackSelector::dz;
         else if( ! s.compare("vz") ) dzOption_ = egammaisolation::EgammaTrackSelector::vz;
         else if( ! s.compare("bs") ) dzOption_ = egammaisolation::EgammaTrackSelector::bs;
         else if( ! s.compare("vtx") )dzOption_ = egammaisolation::EgammaTrackSelector::vtx;
         else                         dzOption_ = egammaisolation::EgammaTrackSelector::dz;
     }

Member Data Documentation

std::vector<int> ElectronTkIsolation::algosToReject_

private

Definition at line 120 of file ElectronTkIsolation.h.

Referenced by passAlgo(), and setAlgosToReject().

reco::TrackBase::Point ElectronTkIsolation::beamPoint_

private

Definition at line 122 of file ElectronTkIsolation.h.

Referenced by getIso().

double ElectronTkIsolation::drb_

private

Definition at line 119 of file ElectronTkIsolation.h.

Referenced by getIso().

int ElectronTkIsolation::dzOption_

private

Definition at line 124 of file ElectronTkIsolation.h.

Referenced by getIso(), and setDzOption().

double ElectronTkIsolation::extRadius_

private

Definition at line 112 of file ElectronTkIsolation.h.

double ElectronTkIsolation::intRadiusBarrel_

private

Definition at line 113 of file ElectronTkIsolation.h.

Referenced by getIso().

double ElectronTkIsolation::intRadiusEndcap_

private

Definition at line 114 of file ElectronTkIsolation.h.

Referenced by getIso().

double ElectronTkIsolation::lip_

private

Definition at line 118 of file ElectronTkIsolation.h.

Referenced by getIso().

double ElectronTkIsolation::ptLow_

private

Definition at line 117 of file ElectronTkIsolation.h.

Referenced by getIso().

double ElectronTkIsolation::stripBarrel_

private

Definition at line 115 of file ElectronTkIsolation.h.

Referenced by getIso().

double ElectronTkIsolation::stripEndcap_

private

Definition at line 116 of file ElectronTkIsolation.h.

Referenced by getIso().

const reco::TrackCollection* ElectronTkIsolation::trackCollection_

private

Definition at line 121 of file ElectronTkIsolation.h.

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation