TrackHistory Class Reference

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

#include <TrackHistory.h>

Inheritance diagram for TrackHistory:

Public Member Functions
bool	evaluate (TrackingParticleRef tpr)
	Evaluate track history using a TrackingParticleRef. More...
bool	evaluate (reco::TrackBaseRef)
	Evaluate reco::Track history using a given association. More...
void	newEvent (const edm::Event &, const edm::EventSetup &)
	Pre-process event information (for accessing reconstruction information) More...
double	quality () const
const reco::TrackBaseRef &	recoTrack () const
	Return a reference to the reconstructed track. More...
	TrackHistory (const edm::ParameterSet &)
	Constructor by pset. More...
Public Member Functions inherited from HistoryBase
void	depth (int d)
	Set the depth of the history. More...
const HepMC::GenParticle *	genParticle () const
	Returns a pointer to most primitive status 1 or 2 particle. More...
GenParticleTrail const &	genParticleTrail () const
	Return all generated particle in the history. More...
GenVertexTrail const &	genVertexTrail () const
	Return all generated vertex in the history. More...
	HistoryBase ()
const TrackingParticleRef &	simParticle () const
	Return the initial tracking particle from the history. More...
SimParticleTrail const &	simParticleTrail () const
	Return all the simulated particle in the history. More...
const TrackingVertexRef &	simVertex () const
	Return the initial tracking vertex from the history. More...
SimVertexTrail const &	simVertexTrail () const
	Return all the simulated vertices in the history. More...

Private Attributes
bool	bestMatchByMaxValue_
bool	enableRecoToSim_
bool	enableSimToReco_
bool	newEvent_
double	quality_
reco::RecoToSimCollection	recoToSim_
reco::TrackBaseRef	recotrack_
reco::SimToRecoCollection	simToReco_
std::string	trackAssociator_
edm::InputTag	trackingTruth_
edm::InputTag	trackProducer_

Additional Inherited Members
Public Types inherited from HistoryBase
typedef std::vector< const HepMC::GenParticle * >	GenParticleTrail
	GenParticle trail type. More...
typedef std::vector< const HepMC::GenVertex * >	GenVertexTrail
	GenVertex trail type. More...
typedef std::set< const HepMC::GenVertex * >	GenVertexTrailHelper
	GenVertex trail helper type. More...
typedef std::vector < TrackingParticleRef >	SimParticleTrail
	SimParticle trail type. More...
typedef std::vector < TrackingVertexRef >	SimVertexTrail
	SimVertex trail type. More...
Protected Member Functions inherited from HistoryBase
bool	evaluate (TrackingParticleRef tpr)
	Evaluate track history using a TrackingParticleRef. More...
bool	evaluate (TrackingVertexRef tvr)
	Evaluate track history using a TrackingParticleRef. More...
Protected Attributes inherited from HistoryBase
GenParticleTrail	genParticleTrail_
GenVertexTrail	genVertexTrail_
GenVertexTrailHelper	genVertexTrailHelper_
SimParticleTrail	simParticleTrail_
SimVertexTrail	simVertexTrail_

Detailed Description

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

Definition at line 16 of file TrackHistory.h.

Constructor & Destructor Documentation

TrackHistory::TrackHistory

(

const edm::ParameterSet &

config

)

Constructor by pset.

Definition at line 6 of file TrackHistory.cc.

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

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

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

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

    // 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 TrackHistory::evaluate ( TrackingParticleRef  tpr )

inline

Evaluate track history using a TrackingParticleRef.

Definition at line 39 of file TrackHistory.h.

References bestMatchByMaxValue_, enableSimToReco_, HistoryBase::evaluate(), match(), quality_, recotrack_, query::result, and simToReco_.

Referenced by TrackClassifier::evaluate(), and GenTrackMatcher::produce().

    {
        if ( enableSimToReco_ )
        {
            std::pair<reco::TrackBaseRef, double> result =  match(tpr, simToReco_, bestMatchByMaxValue_);
            recotrack_ = result.first;
            quality_ =  result.second;
        }
        return HistoryBase::evaluate(tpr);
    }

bool TrackHistory::evaluate

(

reco::TrackBaseRef

tr

)

Evaluate reco::Track history using a given association.

Definition at line 59 of file TrackHistory.cc.

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

{
    if ( !enableRecoToSim_ ) return false;

    std::pair<TrackingParticleRef, double> result =  match(tr, recoToSim_, bestMatchByMaxValue_);

    TrackingParticleRef tpr( result.first );
    quality_ = result.second;

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

        recotrack_ = tr;

        return true;
    }

    return false;
}

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

Pre-process event information (for accessing reconstruction information)

Definition at line 32 of file TrackHistory.cc.

References enableRecoToSim_, enableSimToReco_, edm::EventSetup::get(), recoToSim_, simToReco_, ecalTPGAnalyzer_cfg::TPCollection, trackAssociator_, trackingTruth_, and trackProducer_.

Referenced by TrackClassifier::newEvent(), and GenTrackMatcher::produce().

{
    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> associator;
        setup.get<TrackAssociatorRecord>().get(trackAssociator_, associator);

        // Calculate the map between recotracks -> tp
        if ( enableRecoToSim_ ) recoToSim_ = associator->associateRecoToSim(trackCollection, TPCollection, &event, &setup);

        // Calculate the map between recotracks <- tp
        if ( enableSimToReco_ ) simToReco_ = associator->associateSimToReco(trackCollection, TPCollection, &event, &setup);
    }
}

double TrackHistory::quality ( void  ) const

inline

Definition at line 65 of file TrackHistory.h.

References quality_.

    {
        return quality_;
    }

const reco::TrackBaseRef& TrackHistory::recoTrack ( ) const

inline

Return a reference to the reconstructed track.

Definition at line 60 of file TrackHistory.h.

References recotrack_.

Referenced by TrackClassifier::evaluate().

    {
        return recotrack_;
    }

Member Data Documentation

bool TrackHistory::bestMatchByMaxValue_

private

Definition at line 74 of file TrackHistory.h.

Referenced by evaluate(), and TrackHistory().

bool TrackHistory::enableRecoToSim_

private

Definition at line 76 of file TrackHistory.h.

Referenced by evaluate(), newEvent(), and TrackHistory().

bool TrackHistory::enableSimToReco_

private

Definition at line 76 of file TrackHistory.h.

Referenced by evaluate(), newEvent(), and TrackHistory().

bool TrackHistory::newEvent_

private

Definition at line 72 of file TrackHistory.h.

double TrackHistory::quality_

private

Definition at line 78 of file TrackHistory.h.

Referenced by evaluate(), quality(), and TrackHistory().

reco::RecoToSimCollection TrackHistory::recoToSim_

private

Definition at line 88 of file TrackHistory.h.

Referenced by evaluate(), and newEvent().

reco::TrackBaseRef TrackHistory::recotrack_

private

Definition at line 86 of file TrackHistory.h.

Referenced by evaluate(), and recoTrack().

reco::SimToRecoCollection TrackHistory::simToReco_

private

Definition at line 90 of file TrackHistory.h.

Referenced by evaluate(), and newEvent().

std::string TrackHistory::trackAssociator_

private

Definition at line 84 of file TrackHistory.h.

Referenced by newEvent(), and TrackHistory().

edm::InputTag TrackHistory::trackingTruth_

private

Definition at line 82 of file TrackHistory.h.

Referenced by newEvent(), and TrackHistory().

edm::InputTag TrackHistory::trackProducer_

private

Definition at line 80 of file TrackHistory.h.

Referenced by newEvent(), and TrackHistory().