reco::tau::RecoTauImpactParameterSignificancePlugin Class Reference

Inheritance diagram for reco::tau::RecoTauImpactParameterSignificancePlugin:

List of all members.

Public Member Functions
virtual void	beginEvent ()
void	operator() (PFTau &tau) const
	RecoTauImpactParameterSignificancePlugin (const edm::ParameterSet &pset)
virtual	~RecoTauImpactParameterSignificancePlugin ()
Private Attributes
const TransientTrackBuilder *	builder_
RecoTauVertexAssociator	vertexAssociator_

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Detailed Description

Definition at line 29 of file RecoTauImpactParameterSignificancePlugin.cc.

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Constructor & Destructor Documentation

reco::tau::RecoTauImpactParameterSignificancePlugin::RecoTauImpactParameterSignificancePlugin

(

const edm::ParameterSet &

pset

)

[explicit]

Definition at line 42 of file RecoTauImpactParameterSignificancePlugin.cc.

  :RecoTauModifierPlugin(pset),
  vertexAssociator_(pset.getParameter<edm::ParameterSet>("qualityCuts")){}

virtual reco::tau::RecoTauImpactParameterSignificancePlugin::~RecoTauImpactParameterSignificancePlugin

(

)

[inline, virtual]

Definition at line 33 of file RecoTauImpactParameterSignificancePlugin.cc.

{}

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Member Function Documentation

void reco::tau::RecoTauImpactParameterSignificancePlugin::beginEvent

(

)

[virtual]

Reimplemented from reco::tau::RecoTauModifierPlugin.

Definition at line 46 of file RecoTauImpactParameterSignificancePlugin.cc.

References builder_, reco::tau::RecoTauEventHolderPlugin::evt(), reco::tau::RecoTauEventHolderPlugin::evtSetup(), edm::EventSetup::get(), edm::ESHandle< T >::product(), reco::tau::RecoTauVertexAssociator::setEvent(), and vertexAssociator_.

                                                          {
  vertexAssociator_.setEvent(*evt());
  // 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 55 of file RecoTauImpactParameterSignificancePlugin.cc.

References reco::tau::RecoTauVertexAssociator::associatedVertex(), TransientTrackBuilder::build(), builder_, edm::Ref< C, T, F >::isNonnull(), reco::PFTau::jetRef(), reco::PFTau::leadPFChargedHadrCand(), singlePfTauSkim_cff::leadTrack, reco::PFTau::setleadPFChargedHadrCandsignedSipt(), IPTools::signedImpactParameter3D(), and vertexAssociator_.

                                                                          {
  // 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());
      VertexRef pv = vertexAssociator_.associatedVertex(tau);
      // Compute the significance
      std::pair<bool,Measurement1D> ipsig =
          IPTools::signedImpactParameter3D(track, direction, *pv);
      if (ipsig.first)
        tau.setleadPFChargedHadrCandsignedSipt(ipsig.second.significance());
    }
  }
}

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Member Data Documentation

const TransientTrackBuilder* reco::tau::RecoTauImpactParameterSignificancePlugin::builder_ [private]

Definition at line 38 of file RecoTauImpactParameterSignificancePlugin.cc.

Referenced by beginEvent(), and operator()().

RecoTauVertexAssociator reco::tau::RecoTauImpactParameterSignificancePlugin::vertexAssociator_ [private]

Definition at line 37 of file RecoTauImpactParameterSignificancePlugin.cc.

Referenced by beginEvent(), and operator()().