helper::SimpleJetTrackAssociator Class Reference

#include <SimpleJetTrackAssociator.h>

Public Member Functions
void	associate (const math::XYZVector &dir, const edm::View< reco::Track > &in, reco::TrackRefVector &out)
void	associateTransient (const math::XYZVector &dir, const reco::TrackCollection &in, reco::TrackRefVector &out)
	SimpleJetTrackAssociator ()
	SimpleJetTrackAssociator (double deltaR, int32_t nHits, double chi2nMax)

Private Attributes
double	chi2nMax_
double	deltaR2_
int32_t	nHits_

Detailed Description

Definition at line 6 of file SimpleJetTrackAssociator.h.

Constructor & Destructor Documentation

helper::SimpleJetTrackAssociator::SimpleJetTrackAssociator ( )

inline

Definition at line 8 of file SimpleJetTrackAssociator.h.

                                           :
                    deltaR2_(0), nHits_(0), chi2nMax_(0) { }

helper::SimpleJetTrackAssociator::SimpleJetTrackAssociator ( double  deltaR, int32_t  nHits, double  chi2nMax  )

inline

Definition at line 10 of file SimpleJetTrackAssociator.h.

                                                                                        :
                    deltaR2_(deltaR*deltaR), nHits_(nHits), chi2nMax_(chi2nMax) {}

Member Function Documentation

void helper::SimpleJetTrackAssociator::associate	(	const math::XYZVector &	dir,
		const edm::View< reco::Track > &	in,
		reco::TrackRefVector &	out
	)

Definition at line 19 of file SimpleJetTrackAssociator.cc.

References reco::deltaR2(), i, gen::n, reco::TrackBase::normalizedChi2(), reco::TrackBase::numberOfValidHits(), edm::RefVector< C, T, F >::push_back(), edm::View< T >::refAt(), edm::View< T >::size(), and tree::t.

                                                                               {
        for (size_t i = 0, n = in.size(); i < n; i++) {
                const reco::Track & t = in[i];
                if ((t.numberOfValidHits() < nHits_) || (t.normalizedChi2() > chi2nMax_)) continue;
                if (deltaR2(dir, t) < deltaR2_) {
                        reco::TrackRef tr = in.refAt(i).castTo<reco::TrackRef>();
                        out.push_back(tr);
                }
        }
}

void helper::SimpleJetTrackAssociator::associateTransient	(	const math::XYZVector &	dir,
		const reco::TrackCollection &	in,
		reco::TrackRefVector &	out
	)

Definition at line 6 of file SimpleJetTrackAssociator.cc.

References chi2nMax_, reco::deltaR2(), deltaR2_, i, gen::n, nHits_, reco::TrackBase::normalizedChi2(), reco::TrackBase::numberOfValidHits(), edm::RefVector< C, T, F >::push_back(), and tree::t.

                                                                                {
        for (size_t i = 0, n = in.size(); i < n; i++) {
                const reco::Track & t = in[i];
                if ((t.numberOfValidHits() < nHits_) || (t.normalizedChi2() > chi2nMax_)) continue;
                if (deltaR2(dir, t) < deltaR2_) {
                        reco::TrackRef tr(&in, i); // note: transient ref
                        out.push_back(tr);
                }
        }
}

Member Data Documentation

double helper::SimpleJetTrackAssociator::chi2nMax_

private

Definition at line 21 of file SimpleJetTrackAssociator.h.

Referenced by associateTransient().

double helper::SimpleJetTrackAssociator::deltaR2_

private

Definition at line 19 of file SimpleJetTrackAssociator.h.

Referenced by associateTransient().

int32_t helper::SimpleJetTrackAssociator::nHits_

private

Definition at line 20 of file SimpleJetTrackAssociator.h.

Referenced by associateTransient().