#include <CMGMuonCleanerBySegmentsAlgo.h>

Public Member Functions
std::vector< bool >	clean (const std::vector< pat::Muon > &muons) const
	Return a vector of boolean marking the muons to be considered clean. More...

	CMGMuonCleanerBySegmentsAlgo (double sharedFraction=0.499, const std::string &preselection="track.isNonnull", const std::string &passthrough="isGlobalMuon && numberOfMatches >= 2")

	~CMGMuonCleanerBySegmentsAlgo ()

Private Member Functions
bool	isBetterMuon (const pat::Muon &mu1, bool mu1PF, const pat::Muon &mu2, bool mu2PF) const

bool	isSameMuon (const pat::Muon &mu1, const pat::Muon &mu2) const
	Methods. More...

Private Attributes
StringCutObjectSelector < pat::Muon >	passthrough_
	Always-accept cut. More...

StringCutObjectSelector < pat::Muon >	preselection_
	Preselection cut. More...

double	sharedFraction_
	Fraction of shared segments. More...

Detailed Description

Definition at line 10 of file CMGMuonCleanerBySegmentsAlgo.h.

Constructor & Destructor Documentation

heppy::CMGMuonCleanerBySegmentsAlgo::CMGMuonCleanerBySegmentsAlgo	(	double	sharedFraction = `0.499`,
		const std::string &	preselection = `"track.isNonnull"`,
		const std::string &	passthrough = `"isGlobalMuon && numberOfMatches >= 2"`
	)

inline

Definition at line 12 of file CMGMuonCleanerBySegmentsAlgo.h.

15 : sharedFraction_(sharedFraction), preselection_(preselection, true), passthrough_(passthrough, true) {}

heppy::CMGMuonCleanerBySegmentsAlgo::sharedFraction_

double sharedFraction_

Fraction of shared segments.

Definition: CMGMuonCleanerBySegmentsAlgo.h:23

heppy::CMGMuonCleanerBySegmentsAlgo::passthrough_

StringCutObjectSelector< pat::Muon > passthrough_

Always-accept cut.

Definition: CMGMuonCleanerBySegmentsAlgo.h:28

tauCleaner_cfi.preselection

tuple preselection

string added as general entry for modeul definition here and use in tauTools.py

Definition: tauCleaner_cfi.py:4

heppy::CMGMuonCleanerBySegmentsAlgo::preselection_

StringCutObjectSelector< pat::Muon > preselection_

Preselection cut.

Definition: CMGMuonCleanerBySegmentsAlgo.h:26

heppy::CMGMuonCleanerBySegmentsAlgo::~CMGMuonCleanerBySegmentsAlgo ( )

Definition at line 5 of file CMGMuonCleanerBySegmentsAlgo.cc.

5 {}

Member Function Documentation

std::vector< bool > heppy::CMGMuonCleanerBySegmentsAlgo::clean ( const std::vector< pat::Muon > & muons ) const

Return a vector of boolean marking the muons to be considered clean.

Definition at line 7 of file CMGMuonCleanerBySegmentsAlgo.cc.

References good, mps_fire::i, isBetterMuon(), reco::Muon::isPFMuon(), isSameMuon(), dqmiolumiharvest::j, reco::Muon::numberOfMatches(), passthrough_, preselection_, reco::Muon::SegmentArbitration, sharedFraction_, and muon::sharedSegments().

                                                                                          {
     unsigned int nsrc = src.size();
     std::vector<bool> good(nsrc, true);
     for (unsigned int i = 0; i < nsrc; ++i) {
       const pat::Muon &mu1 = src[i];
       if (!preselection_(mu1))
         good[i] = false;
       if (!good[i])
         continue;
       int nSegments1 = mu1.numberOfMatches(reco::Muon::SegmentArbitration);
       for (unsigned int j = i + 1; j < nsrc; ++j) {
         const pat::Muon &mu2 = src[j];
         if (isSameMuon(mu1, mu2))
           continue;
         if (!good[j] || !preselection_(mu2))
           continue;
         int nSegments2 = mu2.numberOfMatches(reco::Muon::SegmentArbitration);
         if (nSegments2 == 0 || nSegments1 == 0)
           continue;
         double sf = muon::sharedSegments(mu1, mu2) / std::min<double>(nSegments1, nSegments2);
         if (sf > sharedFraction_) {
           if (isBetterMuon(mu1, mu1.isPFMuon(), mu2, mu2.isPFMuon())) {
             good[j] = false;
           } else {
             good[i] = false;
           }
         }
       }
     }
 
     for (unsigned int i = 0; i < nsrc; ++i) {
       const pat::Muon &mu1 = src[i];
       if (passthrough_(mu1))
         good[i] = true;
     }
 
     return good;
   }

bool heppy::CMGMuonCleanerBySegmentsAlgo::isBetterMuon	(	const pat::Muon &	mu1,
		bool	mu1PF,
		const pat::Muon &	mu2,
		bool	mu2PF
	)		const

private

Definition at line 52 of file CMGMuonCleanerBySegmentsAlgo.cc.

References reco::LeafCandidate::charge(), reco::deltaR2(), reco::Muon::isGlobalMuon(), edm::Ref< C, T, F >::isNull(), reco::Muon::numberOfMatches(), reco::LeafCandidate::pt(), reco::Muon::SegmentArbitration, and pat::Muon::track().

Referenced by clean().

                                                                     {
     if (mu2.track().isNull())
       return true;
     if (mu1.track().isNull())
       return false;
     if (mu1PF != mu2PF)
       return mu1PF;
     if (mu1.isGlobalMuon() != mu2.isGlobalMuon())
       return mu1.isGlobalMuon();
     if (mu1.charge() == mu2.charge() && deltaR2(mu1, mu2) < 0.0009) {
       return mu1.track()->ptError() / mu1.track()->pt() < mu2.track()->ptError() / mu2.track()->pt();
     } else {
       int nm1 = mu1.numberOfMatches(reco::Muon::SegmentArbitration);
       int nm2 = mu2.numberOfMatches(reco::Muon::SegmentArbitration);
       return (nm1 != nm2 ? nm1 > nm2 : mu1.pt() > mu2.pt());
     }
   }

bool heppy::CMGMuonCleanerBySegmentsAlgo::isSameMuon	(	const pat::Muon &	mu1,
		const pat::Muon &	mu2
	)		const

private

Methods.

Definition at line 46 of file CMGMuonCleanerBySegmentsAlgo.cc.

References pat::PATObject< ObjectType >::originalObjectRef().

Referenced by clean().

                                                                                             {
     return (&mu1 == &mu2) || (mu1.originalObjectRef() == mu2.originalObjectRef()) ||
            (mu1.reco::Muon::innerTrack().isNonnull() ? mu1.reco::Muon::innerTrack() == mu2.reco::Muon::innerTrack()
                                                      : mu1.reco::Muon::outerTrack() == mu2.reco::Muon::outerTrack());
   }