This class traces the simulated and generated history of a given track. More...

#include <VertexHistory.h>

Inheritance diagram for VertexHistory:

Public Member Functions
bool	evaluate (TrackingVertexRef tvr)
	Evaluate track history using a TrackingParticleRef.
bool	evaluate (reco::VertexBaseRef)
	Evaluate reco::Vertex history using a given association.
void	newEvent (const edm::Event &, const edm::EventSetup &)
	Pre-process event information (for accessing reconstruction information)
double	quality () const
	Return the quality of the match.
const reco::VertexBaseRef &	recoVertex () const
	Return a reference to the reconstructed track.
	VertexHistory (const edm::ParameterSet &)
	Constructor by pset.
Private Attributes
bool	bestMatchByMaxValue_
bool	enableRecoToSim_
bool	enableSimToReco_
double	quality_
reco::VertexRecoToSimCollection	recoToSim_
reco::VertexBaseRef	recovertex_
reco::VertexSimToRecoCollection	simToReco_
std::string	trackAssociator_
edm::InputTag	trackingTruth_
edm::InputTag	trackProducer_
std::string	vertexAssociator_
edm::InputTag	vertexProducer_

Detailed Description

This class traces the simulated and generated history of a given track.

Definition at line 17 of file VertexHistory.h.

Constructor & Destructor Documentation

VertexHistory::VertexHistory ( const edm::ParameterSet & config )

Constructor by pset.

Definition at line 6 of file VertexHistory.cc.

References bestMatchByMaxValue_, enableRecoToSim_, enableSimToReco_, edm::ParameterSet::getUntrackedParameter(), quality_, trackAssociator_, trackingTruth_, trackProducer_, vertexAssociator_, and vertexProducer_.

  : HistoryBase()
{
    // Name of the track collection
    trackProducer_ = config.getUntrackedParameter<edm::InputTag> ( "trackProducer" );

    // Name of the track collection
    vertexProducer_ = config.getUntrackedParameter<edm::InputTag> ( "vertexProducer" );

    // Name of the traking pariticle collection
    trackingTruth_ = config.getUntrackedParameter<edm::InputTag> ( "trackingTruth" );

    // Track association record
    trackAssociator_ = config.getUntrackedParameter<std::string> ( "trackAssociator" );

    // Track association record
    vertexAssociator_ = config.getUntrackedParameter<std::string> ( "vertexAssociator" );

    // Association by max. value
    bestMatchByMaxValue_ = config.getUntrackedParameter<bool> ( "bestMatchByMaxValue" );

    // Enable RecoToSim association
    enableRecoToSim_ = config.getUntrackedParameter<bool> ( "enableRecoToSim" );

    // Enable SimToReco association
    enableSimToReco_ = config.getUntrackedParameter<bool> ( "enableSimToReco" );

    quality_ = 0.;
}

Member Function Documentation

bool VertexHistory::evaluate ( TrackingVertexRef tvr ) [inline]

Evaluate track history using a TrackingParticleRef.

Reimplemented from HistoryBase.

Definition at line 40 of file VertexHistory.h.

References bestMatchByMaxValue_, enableSimToReco_, match(), quality_, recovertex_, query::result, and simToReco_.

Referenced by VertexClassifier::evaluate(), and evaluate().

    {
        if ( enableSimToReco_ )
        {

            std::pair<reco::VertexBaseRef, double> result =  match(tvr, simToReco_, bestMatchByMaxValue_);
            recovertex_ = result.first;
            quality_ =  result.second;
        }
        return HistoryBase::evaluate(tvr);
    }

bool VertexHistory::evaluate ( reco::VertexBaseRef tv )

Evaluate reco::Vertex history using a given association.

Definition at line 93 of file VertexHistory.cc.

References bestMatchByMaxValue_, enableRecoToSim_, evaluate(), edm::Ref< C, T, F >::isNull(), match(), quality_, recoToSim_, recovertex_, and query::result.

{

    if ( !enableRecoToSim_ ) return false;

    std::pair<TrackingVertexRef, double> result =  match(tv, recoToSim_, bestMatchByMaxValue_);

    TrackingVertexRef tvr( result.first );
    quality_ = result.second;

    if ( !tvr.isNull() )
    {
        HistoryBase::evaluate(tvr);

        recovertex_ = tv;

        return true;
    }

    return false;
}

void VertexHistory::newEvent	(	const edm::Event &	event,
		const edm::EventSetup &	setup
	)

Pre-process event information (for accessing reconstruction information)

Definition at line 38 of file VertexHistory.cc.

References enableRecoToSim_, enableSimToReco_, edm::EventSetup::get(), recoToSim_, simToReco_, ecalTPGAnalyzer_cfg::TPCollection, trackAssociator_, ExpressReco_HICollisions_FallBack::trackCollection, trackingTruth_, trackProducer_, vertexAssociator_, ExpressReco_HICollisions_FallBack::vertexCollection, and vertexProducer_.

Referenced by VertexClassifier::newEvent().

{
    if ( enableRecoToSim_ || enableSimToReco_ )
    {

        // Track collection
        edm::Handle<edm::View<reco::Track> > trackCollection;
        event.getByLabel(trackProducer_, trackCollection);

        // Tracking particle information
        edm::Handle<TrackingParticleCollection>  TPCollection;
        event.getByLabel(trackingTruth_, TPCollection);

        // Get the track associator
        edm::ESHandle<TrackAssociatorBase> trackAssociator;
        setup.get<TrackAssociatorRecord>().get(trackAssociator_, trackAssociator);

        // Vertex collection
        edm::Handle<edm::View<reco::Vertex> > vertexCollection;
        event.getByLabel(vertexProducer_, vertexCollection);

        // Tracking particle information
        edm::Handle<TrackingVertexCollection>  TVCollection;
        event.getByLabel(trackingTruth_, TVCollection);

        // Get the track associator
        edm::ESHandle<VertexAssociatorBase> vertexAssociator;
        setup.get<VertexAssociatorRecord>().get(vertexAssociator_, vertexAssociator);

        if ( enableRecoToSim_ )
        {
            // Get the map between recovertex -> simvertex
            reco::RecoToSimCollection
            trackRecoToSim = trackAssociator->associateRecoToSim(trackCollection, TPCollection, &event);

            // Calculate the map between recovertex -> simvertex
            recoToSim_ = vertexAssociator->associateRecoToSim(vertexCollection, TVCollection, event, trackRecoToSim);
        }

        if ( enableSimToReco_ )
        {
            // Get the map between recovertex <- simvertex
            reco::SimToRecoCollection
            trackSimToReco = trackAssociator->associateSimToReco (trackCollection, TPCollection, &event);

            // Calculate the map between recovertex <- simvertex
            simToReco_ = vertexAssociator->associateSimToReco(vertexCollection, TVCollection, event, trackSimToReco);
        }

    }
}