Inheritance diagram for MuonsFromRefitTracksProducer:

Public Member Functions
	MuonsFromRefitTracksProducer (const edm::ParameterSet &)
	~MuonsFromRefitTracksProducer ()
Private Member Functions
virtual void	beginJob ()
reco::Muon *	cloneAndSwitchTrack (const reco::Muon &muon, const reco::TrackRef &newTrack) const
virtual void	endJob ()
virtual void	produce (edm::Event &, const edm::EventSetup &)
bool	storeMatchMaps (const edm::Event &event)
Private Attributes
bool	fromCocktail
bool	fromGlobalTrack
bool	fromSigmaSwitch
bool	fromTeVRefit
bool	fromTMR
bool	fromTrackerTrack
double	nSigmaSwitch
double	ptThreshold
edm::InputTag	src
std::string	tevMuonTracks
double	TMRcut
edm::Handle < reco::TrackToTrackMap >	trackMap
edm::Handle < reco::TrackToTrackMap >	trackMapDefault
edm::Handle < reco::TrackToTrackMap >	trackMapFirstHit
edm::Handle < reco::TrackToTrackMap >	trackMapPicky

Detailed Description

Definition at line 67 of file MuonsFromRefitTracksProducer.cc.

Constructor & Destructor Documentation

MuonsFromRefitTracksProducer::MuonsFromRefitTracksProducer ( const edm::ParameterSet & cfg ) [explicit]

Definition at line 143 of file MuonsFromRefitTracksProducer.cc.

References fromTeVRefit, and tevMuonTracks.

  : src(cfg.getParameter<edm::InputTag>("src")),
    fromTrackerTrack(cfg.getParameter<bool>("fromTrackerTrack")),
    fromGlobalTrack(cfg.getParameter<bool>("fromGlobalTrack")),
    tevMuonTracks(cfg.getParameter<std::string>("tevMuonTracks")),
    fromCocktail(cfg.getParameter<bool>("fromCocktail")),
    fromTMR(cfg.getParameter<bool>("fromTMR")),
    TMRcut(cfg.getParameter<double>("TMRcut")),
    fromSigmaSwitch(cfg.getParameter<bool>("fromSigmaSwitch")),
    nSigmaSwitch(cfg.getParameter<double>("nSigmaSwitch")),
    ptThreshold(cfg.getParameter<double>("ptThreshold"))
{
  fromTeVRefit = tevMuonTracks != "none";
  produces<reco::MuonCollection>();
}

MuonsFromRefitTracksProducer::~MuonsFromRefitTracksProducer ( ) [inline]

Definition at line 70 of file MuonsFromRefitTracksProducer.cc.

{}

Member Function Documentation

virtual void MuonsFromRefitTracksProducer::beginJob ( void ) [inline, private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 73 of file MuonsFromRefitTracksProducer.cc.

{}

reco::Muon * MuonsFromRefitTracksProducer::cloneAndSwitchTrack	(	const reco::Muon &	muon,
		const reco::TrackRef &	newTrack
	)		const `[private]`

Definition at line 173 of file MuonsFromRefitTracksProducer.cc.

References reco::Muon::clone(), reco::Muon::innerTrack(), reco::Muon::outerTrack(), L1TEmulatorMonitor_cff::p, p4, reco::LeafCandidate::setCharge(), reco::Muon::setGlobalTrack(), reco::Muon::setInnerTrack(), reco::Muon::setOuterTrack(), reco::LeafCandidate::setP4(), reco::LeafCandidate::setVertex(), and mathSSE::sqrt().

Referenced by produce().

                                                                                            {
  // Muon mass to make a four-vector out of the new track.
  static const double muMass = 0.10566;

  reco::TrackRef tkTrack  = muon.innerTrack();
  reco::TrackRef muTrack  = muon.outerTrack();
          
  // Make up a real Muon from the tracker track.
  reco::Particle::Point vtx(newTrack->vx(), newTrack->vy(), newTrack->vz());
  reco::Particle::LorentzVector p4;
  double p = newTrack->p();
  p4.SetXYZT(newTrack->px(), newTrack->py(), newTrack->pz(),
             sqrt(p*p + muMass*muMass));

  reco::Muon* mu = muon.clone();
  mu->setCharge(newTrack->charge());
  mu->setP4(p4);
  mu->setVertex(vtx);
  mu->setGlobalTrack(newTrack);
  mu->setInnerTrack(tkTrack);
  mu->setOuterTrack(muTrack);
  return mu;
}

virtual void MuonsFromRefitTracksProducer::endJob ( void ) [inline, private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 75 of file MuonsFromRefitTracksProducer.cc.

{}

void MuonsFromRefitTracksProducer::produce	(	edm::Event &	event,
		const edm::EventSetup &	eSetup
	)		`[private, virtual]`

Implements edm::EDProducer.

Definition at line 198 of file MuonsFromRefitTracksProducer.cc.

References edm::ViewBase::clone(), cloneAndSwitchTrack(), edm::HandleBase::failedToGet(), fromCocktail, fromGlobalTrack, fromSigmaSwitch, fromTeVRefit, fromTMR, fromTrackerTrack, edm::Ref< C, T, F >::isNonnull(), prof2calltree::last, metsig::muon, ExpressReco_HICollisions_FallBack::muons, nSigmaSwitch, convertSQLiteXML::ok, ptThreshold, reco::Muon::setGlobalTrack(), reco::Muon::setInnerTrack(), reco::Muon::setOuterTrack(), sigmaSwitch(), src, storeMatchMaps(), tevMuonTracks, muon::tevOptimized(), tevOptimizedTMR(), TMRcut, trackMap, trackMapDefault, trackMapFirstHit, and trackMapPicky.

                                                                                       {
  // Get the global muons from the event.
  edm::Handle<edm::View<reco::Muon> > muons;
  event.getByLabel(src, muons);

  // If we can't get the global muon collection, or below the
  // track-to-track maps needed, still produce an empty collection of
  // muons so consumers don't throw an exception.
  bool ok = !muons.failedToGet();

  // If we're instructed to use the TeV refit tracks in some way, we
  // need the track-to-track maps. If we're making a cocktail muon,
  // get all three track maps (the cocktail ingredients); else just
  // get the map which takes the above global tracks to the desired
  // TeV-muon refitted tracks (firstHit or picky).
  if (ok && fromTeVRefit)
    ok = storeMatchMaps(event);

  // Make the output collection.
  std::auto_ptr<reco::MuonCollection> cands(new reco::MuonCollection);

  if (ok) {
    edm::View<reco::Muon>::const_iterator muon;
    for (muon = muons->begin(); muon != muons->end(); muon++) {
      // Filter out the so-called trackerMuons and stand-alone muons
      // (and caloMuons, if they were ever to get into the input muons
      // collection).
      if (!muon->isGlobalMuon()) continue;

      if (fromTeVRefit || fromSigmaSwitch) {
        // Start out with a null TrackRef.
    reco::TrackRef tevTk;
      
        // If making a cocktail muon, use tevOptimized() to get the track
        // desired. Otherwise, get the refit track from the desired track
        // map.
        if (fromTMR)
          tevTk = tevOptimizedTMR(*muon, *trackMapFirstHit, TMRcut);
        else if (fromCocktail)
          tevTk = muon::tevOptimized(*muon, *trackMapDefault, *trackMapFirstHit,
                                     *trackMapPicky);
        else if (fromSigmaSwitch)
          tevTk = sigmaSwitch(*muon, nSigmaSwitch, ptThreshold);
        else {
        reco::TrackToTrackMap::const_iterator tevTkRef =
            trackMap->find(muon->combinedMuon());
          if (tevTkRef != trackMap->end())
            tevTk = tevTkRef->val;
        }
        
        // If the TrackRef is valid, make a new Muon that has the same
        // tracker and stand-alone tracks, but has the refit track as
        // its global track.
        if (tevTk.isNonnull())
          cands->push_back(*cloneAndSwitchTrack(*muon, tevTk));
      }
      else if (fromTrackerTrack)
        cands->push_back(*cloneAndSwitchTrack(*muon, muon->innerTrack()));
      else if (fromGlobalTrack)
        cands->push_back(*cloneAndSwitchTrack(*muon, muon->globalTrack()));
      else {
        cands->push_back(*muon->clone());

        // Just cloning does not work in the case of the source being
        // a pat::Muon with embedded track references -- these do not
        // get copied. Explicitly set them.
    reco::Muon& last = cands->at(cands->size()-1);
        if (muon->globalTrack().isTransient())
          last.setGlobalTrack(muon->globalTrack());
        if (muon->innerTrack().isTransient())
          last.setInnerTrack(muon->innerTrack());
        if (muon->outerTrack().isTransient())
          last.setOuterTrack(muon->outerTrack());
      }
    }
  }
  else
    edm::LogWarning("MuonsFromRefitTracksProducer")
      << "either " << src << " or the track map(s) " << tevMuonTracks
      << " not present in the event; producing empty collection";
  
  event.put(cands);
}

bool MuonsFromRefitTracksProducer::storeMatchMaps ( const edm::Event & event ) [private]

Definition at line 159 of file MuonsFromRefitTracksProducer.cc.

References edm::HandleBase::failedToGet(), fromCocktail, fromTMR, tevMuonTracks, trackMap, trackMapDefault, trackMapFirstHit, and trackMapPicky.

Referenced by produce().

                                                                       {
  if (fromCocktail || fromTMR) {
    event.getByLabel(tevMuonTracks, "default",  trackMapDefault);
    event.getByLabel(tevMuonTracks, "firstHit", trackMapFirstHit);
    event.getByLabel(tevMuonTracks, "picky",    trackMapPicky);
    return !trackMapDefault.failedToGet() && 
      !trackMapFirstHit.failedToGet() && !trackMapPicky.failedToGet();
  }
  else {
    event.getByLabel(edm::InputTag(tevMuonTracks), trackMap);
    return !trackMap.failedToGet();
  }
}