Merges reco::CaloMuons, reco::Muons and optionally reco::Tracks avoiding innerTrack duplications in a single reco::Muon collection. More...

#include "RecoMuon/MuonIdentification/plugins/CaloMuonMerger.cc"

Inheritance diagram for CaloMuonMerger:

List of all members.

Public Member Functions
	CaloMuonMerger (const edm::ParameterSet &iConfig)
virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup)
virtual	~CaloMuonMerger ()
Private Attributes
edm::InputTag	caloMuons_
StringCutObjectSelector < reco::CaloMuon, false >	caloMuonsCut_
bool	mergeCaloMuons_
bool	mergeTracks_
double	minCaloCompatibility_
edm::InputTag	muons_
StringCutObjectSelector < reco::Muon, false >	muonsCut_
edm::InputTag	tracks_
StringCutObjectSelector < reco::TrackRef, false >	tracksCut_

Detailed Description

Merges reco::CaloMuons, reco::Muons and optionally reco::Tracks avoiding innerTrack duplications in a single reco::Muon collection.

Author:: Giovanni Petrucciani

Version:

Id:: CaloMuonMerger.cc,v 1.6 2011/01/06 13:26:53 gpetrucc Exp

Definition at line 25 of file CaloMuonMerger.cc.

Constructor & Destructor Documentation

CaloMuonMerger::CaloMuonMerger ( const edm::ParameterSet & iConfig ) [explicit]

Definition at line 45 of file CaloMuonMerger.cc.

                                                              :
    muons_(iConfig.getParameter<edm::InputTag>("muons")),
    muonsCut_(iConfig.existsAs<std::string>("muonsCut") ? iConfig.getParameter<std::string>("muonsCut") : ""),
    mergeCaloMuons_(iConfig.existsAs<bool>("mergeCaloMuons") ? iConfig.getParameter<bool>("mergeCaloMuons") : true),
    caloMuons_(iConfig.getParameter<edm::InputTag>("caloMuons")),
    caloMuonsCut_(iConfig.existsAs<std::string>("caloMuonsCut") ? iConfig.getParameter<std::string>("caloMuonsCut") : ""),
    minCaloCompatibility_(mergeCaloMuons_ ? iConfig.getParameter<double>("minCaloCompatibility") : 0),
    mergeTracks_(iConfig.existsAs<bool>("mergeTracks") ? iConfig.getParameter<bool>("mergeTracks") : false),
    tracks_(mergeTracks_ ? iConfig.getParameter<edm::InputTag>("tracks") : edm::InputTag()),
    tracksCut_(iConfig.existsAs<std::string>("tracksCut") ? iConfig.getParameter<std::string>("tracksCut") : "")
{
    produces<std::vector<reco::Muon> >();
}

virtual CaloMuonMerger::~CaloMuonMerger ( ) [inline, virtual]

Definition at line 28 of file CaloMuonMerger.cc.

{ }

Member Function Documentation

void CaloMuonMerger::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		`[virtual]`

Implements edm::EDProducer.

Definition at line 60 of file CaloMuonMerger.cc.

References reco::Muon::caloCompatibility(), reco::Muon::CaloMuon, caloMuons_, caloMuonsCut_, relval_parameters_module::energy, reco::LeafCandidate::eta(), Exception, edm::Event::getByLabel(), i, reco::Muon::isCaloCompatibilityValid(), reco::isMuon(), mergeCaloMuons_, mergeTracks_, minCaloCompatibility_, metsig::muon, patZpeak::muons, muons_, muonsCut_, dbtoconf::out, p4, reco::LeafCandidate::pt(), edm::Event::put(), reco::Muon::setCalEnergy(), reco::Muon::setCaloCompatibility(), reco::Muon::setInnerTrack(), reco::Muon::setType(), mathSSE::sqrt(), reco::Muon::track(), testEve_cfg::tracks, tracks_, tracksCut_, and reco::Muon::type().

                                                                       {
    edm::Handle<std::vector<reco::Muon> > muons;
    edm::Handle<std::vector<reco::CaloMuon> > caloMuons;
    edm::Handle<std::vector<reco::Track> > tracks;

    iEvent.getByLabel(muons_, muons);
    if(mergeCaloMuons_) iEvent.getByLabel(caloMuons_, caloMuons);
    if(mergeTracks_) iEvent.getByLabel(tracks_, tracks);

    std::auto_ptr<std::vector<reco::Muon> >  out(new std::vector<reco::Muon>());
    out->reserve(muons->size() + (mergeTracks_?tracks->size():0));

    // copy reco::Muons, turning on the CaloCompatibility flag if enabled and possible
    for (std::vector<reco::Muon>::const_iterator it = muons->begin(), ed = muons->end(); it != ed; ++it) {
        if(!muonsCut_(*it)) continue;
        out->push_back(*it);
        reco::Muon & mu = out->back();
        if (mergeCaloMuons_ && mu.track().isNonnull()) {
            if (mu.isCaloCompatibilityValid()) {
                if (mu.caloCompatibility() >= minCaloCompatibility_) {
                    mu.setType(mu.type() | reco::Muon::CaloMuon);
                }
            } else throw cms::Exception("Boh") << "Muon with track and no CaloCompatibility; pt = " << mu.pt() << ", eta = " << mu.eta() << ", type = " << mu.type() << "\n";
        }
    }

    if (mergeCaloMuons_) {
        // copy reco::CaloMuon 
        for (std::vector<reco::CaloMuon>::const_iterator it = caloMuons->begin(), ed = caloMuons->end(); it != ed; ++it) {
            if(!caloMuonsCut_(*it)) continue;
            // make a reco::Muon
            reco::TrackRef track = it->track();
            double energy = sqrt(track->p() * track->p() + 0.011163691);
            math::XYZTLorentzVector p4(track->px(), track->py(), track->pz(), energy);
            out->push_back(reco::Muon(track->charge(), p4, track->vertex()));
            reco::Muon & mu = out->back();
            // fill info 
            mu.setCalEnergy( it->calEnergy() );
            mu.setCaloCompatibility( it->caloCompatibility() );
            mu.setInnerTrack( track );
            mu.setType( reco::Muon::CaloMuon );
        }
    }

    // merge reco::Track avoiding duplication of innerTracks
    if(mergeTracks_){
        for (size_t i = 0; i < tracks->size(); i++) {
            reco::TrackRef track(tracks, i);
            if(!tracksCut_(track)) continue;
            // check if it is a muon or calomuon
            bool isMuon = false;
            for(std::vector<reco::Muon>::const_iterator muon = muons->begin(); muon < muons->end(); muon++){
                if(muon->innerTrack() == track){
                    isMuon = true;
                    break;
                }
            }
            if(isMuon) continue;
            if (mergeCaloMuons_) {
                bool isCaloMuon = false;
                for(std::vector<reco::CaloMuon>::const_iterator muon = caloMuons->begin(); muon < caloMuons->end(); muon++){
                    if(muon->innerTrack() == track){
                        isCaloMuon = true;
                        break;
                    }
                }
                if(isCaloMuon) continue;
            }
            // make a reco::Muon
            double energy = sqrt(track->p() * track->p() + 0.011163691);
            math::XYZTLorentzVector p4(track->px(), track->py(), track->pz(), energy);
            out->push_back(reco::Muon(track->charge(), p4, track->vertex()));
            reco::Muon & mu = out->back();
            // fill info 
            mu.setInnerTrack( track );
        }
    }

    iEvent.put(out);
}