Inheritance diagram for CaloRecoTauDiscriminationByFlightPathSignificance:

Public Member Functions
void	beginEvent (const edm::Event &, const edm::EventSetup &)

	CaloRecoTauDiscriminationByFlightPathSignificance (const edm::ParameterSet &iConfig)

double	discriminate (const reco::CaloTauRef &)

	~CaloRecoTauDiscriminationByFlightPathSignificance ()

Public Member Functions inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
virtual double	discriminate (const TauRef &tau)=0

virtual void	endEvent (edm::Event &evt)

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

	TauDiscriminationProducerBase (const edm::ParameterSet &iConfig)

	TauDiscriminationProducerBase ()

virtual	~TauDiscriminationProducerBase ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Private Member Functions
double	threeProngFlightPathSig (const CaloTauRef &)

double	vertexSignificance (reco::Vertex &, reco::Vertex &, GlobalVector &)

Private Attributes
bool	booleanOutput

double	flightPathSig

reco::Vertex	primaryVertex

edm::InputTag	PVProducer

const TransientTrackBuilder *	transientTrackBuilder

bool	withPVError

Additional Inherited Members
Public Types inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
typedef std::vector< TauType >	TauCollection

typedef edm::Ref< TauCollection >	TauRef

typedef edm::RefProd < TauCollection >	TauRefProd

Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Protected Attributes inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
double	prediscriminantFailValue_

edm::InputTag	TauProducer_

Detailed Description

Definition at line 22 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

Constructor & Destructor Documentation

CaloRecoTauDiscriminationByFlightPathSignificance::CaloRecoTauDiscriminationByFlightPathSignificance ( const edm::ParameterSet & iConfig )

inlineexplicit

Definition at line 24 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

References edm::ParameterSet::getParameter().

         :CaloTauDiscriminationProducerBase(iConfig) {
       flightPathSig     = iConfig.getParameter<double>("flightPathSig");
       withPVError       = iConfig.getParameter<bool>("UsePVerror");
 
       PVProducer        = iConfig.getParameter<edm::InputTag>("PVProducer");
 
       booleanOutput         = iConfig.getParameter<bool>("BooleanOutput");
     }

CaloRecoTauDiscriminationByFlightPathSignificance::~CaloRecoTauDiscriminationByFlightPathSignificance ( )

inline

Definition at line 34 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

34 {}

Member Function Documentation

void CaloRecoTauDiscriminationByFlightPathSignificance::beginEvent	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Reimplemented from TauDiscriminationProducerBase< TauType, TauDiscriminator >.

Definition at line 52 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

References edm::View< T >::begin(), edm::EventSetup::get(), edm::Event::getByLabel(), edm::ESHandle< class >::product(), and GoodVertex_cfg::vertexCollection.

                                                         {
   //Primary vertex
   edm::Handle<edm::View<reco::Vertex> > vertexHandle;
   iEvent.getByLabel(PVProducer, vertexHandle);
   const edm::View<reco::Vertex>& vertexCollection(*vertexHandle);
   primaryVertex = *(vertexCollection.begin());
   // Transient Tracks
   edm::ESHandle<TransientTrackBuilder> builder;
   iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",builder);
   transientTrackBuilder = builder.product();
 }

double CaloRecoTauDiscriminationByFlightPathSignificance::discriminate ( const reco::CaloTauRef & tau )

Definition at line 66 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

                           {
   if(booleanOutput)
     return ( threeProngFlightPathSig(tau) > flightPathSig ? 1. : 0. );
   return threeProngFlightPathSig(tau);
 }

double CaloRecoTauDiscriminationByFlightPathSignificance::threeProngFlightPathSig ( const CaloTauRef & tau )

private

Definition at line 74 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

References i, TransientVertex::isValid(), edm::RefVector< C, T, F >::size(), and KalmanVertexFitter::vertex().

                           {
   double flightPathSignificance = 0;
   //Secondary vertex
   reco::TrackRefVector signalTracks = tau->signalTracks();
   vector<TransientTrack> transientTracks;
   for(size_t i = 0; i < signalTracks.size(); ++i){
     const TransientTrack transientTrack =
         transientTrackBuilder->build(signalTracks[i]);
     transientTracks.push_back(transientTrack);
   }
   if(transientTracks.size() > 1) {
     KalmanVertexFitter kvf(true);
     TransientVertex tv = kvf.vertex(transientTracks);
     if(tv.isValid()){
       GlobalVector tauDir(tau->px(), tau->py(), tau->pz());
       Vertex secVer = tv;
       flightPathSignificance = vertexSignificance(primaryVertex,secVer,tauDir);
     }
   }
   return flightPathSignificance;
 }

double CaloRecoTauDiscriminationByFlightPathSignificance::vertexSignificance	(	reco::Vertex &	pv,
		reco::Vertex &	sv,
		GlobalVector &	direction
	)

private

Definition at line 98 of file CaloRecoTauDiscriminationByFlightPathSignificance.cc.

References reco::SecondaryVertex::computeDist3d(), and Measurement1D::significance().

                                                        {
   return SecondaryVertex::computeDist3d(
       pv,sv,direction,withPVError).significance();
 }