Inheritance diagram for reco::tau::RecoTauImpactParameterSignificancePlugin:

Public Member Functions
virtual void	beginEvent ()

void	operator() (PFTau &tau) const

	RecoTauImpactParameterSignificancePlugin (const edm::ParameterSet &pset)

virtual	~RecoTauImpactParameterSignificancePlugin ()

Public Member Functions inherited from reco::tau::RecoTauModifierPlugin
	RecoTauModifierPlugin (const edm::ParameterSet &pset)

virtual	~RecoTauModifierPlugin ()

Public Member Functions inherited from reco::tau::RecoTauEventHolderPlugin
const edm::Event *	evt () const

const edm::EventSetup *	evtSetup () const

	RecoTauEventHolderPlugin (const edm::ParameterSet &pset)

void	setup (const edm::Event &, const edm::EventSetup &)

virtual	~RecoTauEventHolderPlugin ()

Public Member Functions inherited from reco::tau::RecoTauNamedPlugin
const std::string &	name () const

	RecoTauNamedPlugin (const edm::ParameterSet &pset)

virtual	~RecoTauNamedPlugin ()

Private Attributes
const TransientTrackBuilder *	builder_

const reco::Vertex *	pv_

edm::InputTag	pvSrc_

Detailed Description

Definition at line 29 of file RecoTauImpactParameterSignificancePlugin.cc.

Constructor & Destructor Documentation

reco::tau::RecoTauImpactParameterSignificancePlugin::RecoTauImpactParameterSignificancePlugin ( const edm::ParameterSet & pset )

explicit

Definition at line 43 of file RecoTauImpactParameterSignificancePlugin.cc.

References edm::ParameterSet::getParameter().

   :RecoTauModifierPlugin(pset) {
   pvSrc_ = pset.getParameter<edm::InputTag>("pvSrc");
 }

virtual reco::tau::RecoTauImpactParameterSignificancePlugin::~RecoTauImpactParameterSignificancePlugin ( )

inlinevirtual

Definition at line 33 of file RecoTauImpactParameterSignificancePlugin.cc.

33 {}

Member Function Documentation

void reco::tau::RecoTauImpactParameterSignificancePlugin::beginEvent ( )

virtual

Reimplemented from reco::tau::RecoTauModifierPlugin.

Definition at line 48 of file RecoTauImpactParameterSignificancePlugin.cc.

References builder_, reco::tau::RecoTauEventHolderPlugin::evt(), reco::tau::RecoTauEventHolderPlugin::evtSetup(), edm::EventSetup::get(), edm::Event::getByLabel(), edm::ESHandle< class >::product(), pv_, and pvSrc_.

                                                           {
   // Get primary vertex
   edm::Handle<reco::VertexCollection> pvs;
   evt()->getByLabel(pvSrc_, pvs);
   pv_ = &((*pvs)[0]);
   // Get tranisent track builder.
   edm::ESHandle<TransientTrackBuilder> myTransientTrackBuilder;
   evtSetup()->get<TransientTrackRecord>().get("TransientTrackBuilder",
                                               myTransientTrackBuilder);
   builder_= myTransientTrackBuilder.product();
 }

void reco::tau::RecoTauImpactParameterSignificancePlugin::operator() ( PFTau & tau ) const

virtual

Implements reco::tau::RecoTauModifierPlugin.

Definition at line 60 of file RecoTauImpactParameterSignificancePlugin.cc.

References TransientTrackBuilder::build(), builder_, edm::Ref< C, T, F >::isNonnull(), reco::PFTau::jetRef(), reco::PFTau::leadPFChargedHadrCand(), singlePfTauSkim_cff::leadTrack, pv_, reco::PFTau::setleadPFChargedHadrCandsignedSipt(), IPTools::signedTransverseImpactParameter(), and ExpressReco_HICollisions_FallBack::track.

                                                                           {
   // Get the transient lead track
   if (tau.leadPFChargedHadrCand().isNonnull()) {
     TrackRef leadTrack = tau.leadPFChargedHadrCand()->trackRef();
     if (leadTrack.isNonnull()) {
       const TransientTrack track = builder_->build(leadTrack);
       GlobalVector direction(tau.jetRef()->px(), tau.jetRef()->py(),
                              tau.jetRef()->pz());
       // Compute the significance
       std::pair<bool,Measurement1D> ipsig =
           IPTools::signedTransverseImpactParameter(track, direction, *pv_);
       if (ipsig.first)
         tau.setleadPFChargedHadrCandsignedSipt(ipsig.second.significance());
     }
   }
 }