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EleTkIsolFromCands.h
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EleTkIsolFromCands.h
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#ifndef RECOEGAMMA_EGAMMAISOLATIONALGOS_ELETKISOLFROMCANDS_H
#define RECOEGAMMA_EGAMMAISOLATIONALGOS_ELETKISOLFROMCANDS_H
#include "DataFormats/TrackReco/interface/TrackBase.h"
#include "DataFormats/PatCandidates/interface/PackedCandidate.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
#include "DataFormats/Common/interface/View.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
class EleTkIsolFromCands {
private:
struct TrkCuts {
float minPt;
float minDR2;
float maxDR2;
float minDEta;
float maxDZ;
float minHits;
float minPixelHits;
float maxDPtPt;
std::vector<reco::TrackBase::TrackQuality> allowedQualities;
std::vector<reco::TrackBase::TrackAlgorithm> algosToReject;
explicit TrkCuts(const edm::ParameterSet& para);
static edm::ParameterSetDescription pSetDescript();
};
TrkCuts barrelCuts_,endcapCuts_;
public:
explicit EleTkIsolFromCands(const edm::ParameterSet& para);
EleTkIsolFromCands(const EleTkIsolFromCands&)=default;
~EleTkIsolFromCands()=default;
EleTkIsolFromCands& operator=(const EleTkIsolFromCands&)=default;
static edm::ParameterSetDescription pSetDescript();
std::pair<int,double> calIsol(const reco::TrackBase& trk,const pat::PackedCandidateCollection& cands,const edm::View<reco::GsfElectron>& eles);
std::pair<int,double> calIsol(const double eleEta,const double elePhi,const double eleVZ,
const pat::PackedCandidateCollection& cands,
const edm::View<reco::GsfElectron>& eles);
double calIsolPt(const reco::TrackBase& trk,const pat::PackedCandidateCollection& cands,
const edm::View<reco::GsfElectron>& eles){
return calIsol(trk,cands,eles).second;
}
double calIsolPt(const double eleEta,const double elePhi,const double eleVZ,
const pat::PackedCandidateCollection& cands,
const edm::View<reco::GsfElectron>& eles){
return calIsol(eleEta,elePhi,eleVZ,cands,eles).second;
}
static bool passTrkSel(const reco::Track& trk,
const double trkPt,
const TrkCuts& cuts,
const double eleEta,const double elePhi,
const double eleVZ);
private:
//no qualities specified, accept all, ORed
static bool passQual(const reco::TrackBase& trk,
const std::vector<reco::TrackBase::TrackQuality>& quals);
static bool passAlgo(const reco::TrackBase& trk,
const std::vector<reco::TrackBase::TrackAlgorithm>& algosToRej);
//for PF electron candidates the "trk pt" is not the track pt
//its the trk-calo gsfele combination energy * trk sin(theta)
//so the idea is to match with the gsf electron and get the orginal
//gsftrack's pt
double getTrkPt(const reco::TrackBase& trk,
const edm::View<reco::GsfElectron>& eles);
};
#endif