reco::GhostTrackState Class Reference

#include <GhostTrackState.h>

Inheritance diagram for reco::GhostTrackState:

Public Types
typedef BasicGhostTrackState::CovarianceMatrix	CovarianceMatrix
typedef BasicGhostTrackState::Vertex	Vertex

Public Member Functions
double	axisDistance (const GlobalPoint &point, const GlobalVector &dir) const
double	axisDistance (const GhostTrackPrediction &pred) const
CovarianceMatrix	cartesianCovariance () const
GlobalError	cartesianError () const
double	flightDistance (const GlobalPoint &point, const GlobalVector &dir) const
	GhostTrackState (const TransientTrack &track)
	GhostTrackState (const GlobalPoint &pos, const CovarianceMatrix &cov)
	GhostTrackState (const GlobalPoint &pos, const GlobalError &error)
	GhostTrackState (const VertexState &state)
GlobalPoint	globalPosition () const
bool	isTrack () const
bool	isValid () const
bool	isVertex () const
double	lambda () const
double	lambdaError (const GhostTrackPrediction &pred, const GlobalError &pvError=GlobalError()) const
bool	linearize (const GhostTrackPrediction &pred, bool initial=false, double lambda=0.)
bool	linearize (const GhostTrackPrediction &pred, double lambda)
void	reset ()
void	setWeight (double weight)
const TransientTrack &	track () const
const TrajectoryStateOnSurface &	tsos () const
Vertex	vertexStateOnGhostTrack (const GhostTrackPrediction &pred, bool withMeasurementError=true) const
Vertex	vertexStateOnMeasurement (const GhostTrackPrediction &pred, bool withGhostTrackError=true) const
double	weight () const

Private Types
typedef BasicGhostTrackState::Proxy	Base

Additional Inherited Members
Protected Member Functions inherited from ProxyBase< T, Cloner >
void	check () const
const T &	data () const
void	destroy ()
bool	isValid () const
ProxyBase &	operator= (const ProxyBase &other)
	ProxyBase ()
	ProxyBase (T *p)
	ProxyBase (const ProxyBase &other)
int	references () const
T &	sharedData ()
void	swap (ProxyBase &other)
T &	unsharedData ()
	~ProxyBase ()

Detailed Description

Definition at line 21 of file GhostTrackState.h.

Member Typedef Documentation

typedef BasicGhostTrackState::Proxy reco::GhostTrackState::Base

private

Definition at line 22 of file GhostTrackState.h.

typedef BasicGhostTrackState::CovarianceMatrix reco::GhostTrackState::CovarianceMatrix

Definition at line 25 of file GhostTrackState.h.

typedef BasicGhostTrackState::Vertex reco::GhostTrackState::Vertex

Definition at line 26 of file GhostTrackState.h.

Constructor & Destructor Documentation

GhostTrackState::GhostTrackState

(

const TransientTrack &

track

)

Definition at line 35 of file GhostTrackState.cc.

                                                            :
    Base(new TrackGhostTrackState(track))
{
}

GhostTrackState::GhostTrackState	(	const GlobalPoint &	pos,
		const CovarianceMatrix &	cov
	)

Definition at line 40 of file GhostTrackState.cc.

                                                              :
    Base(new VertexGhostTrackState(pos, cov))
{
}

GhostTrackState::GhostTrackState	(	const GlobalPoint &	pos,
		const GlobalError &	error
	)

Definition at line 46 of file GhostTrackState.cc.

                                                           :
    Base(new VertexGhostTrackState(pos, error.matrix_new()))
{
}

GhostTrackState::GhostTrackState

(

const VertexState &

state

)

Definition at line 52 of file GhostTrackState.cc.

                                                         :
    Base(new VertexGhostTrackState(state.position(),
                                   state.error().matrix_new()))
{
}

Member Function Documentation

double GhostTrackState::axisDistance	(	const GlobalPoint &	point,
		const GlobalVector &	dir
	)		const

Definition at line 94 of file GhostTrackState.cc.

References globalPosition(), and mag().

Referenced by axisDistance().

{
    return (globalPosition() - point).cross(dir.unit()).mag();
}

double GhostTrackState::axisDistance

(

const GhostTrackPrediction &

pred

)

const

Definition at line 100 of file GhostTrackState.cc.

References axisDistance(), reco::GhostTrackPrediction::direction(), and reco::GhostTrackPrediction::origin().

{
    return axisDistance(pred.origin(), pred.direction());
}

CovarianceMatrix reco::GhostTrackState::cartesianCovariance ( ) const

inline

Definition at line 38 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

{ return data().cartesianCovariance(); }

GlobalError reco::GhostTrackState::cartesianError ( ) const

inline

Definition at line 37 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

Referenced by vertexAtState().

{ return data().cartesianError(); }

double GhostTrackState::flightDistance	(	const GlobalPoint &	point,
		const GlobalVector &	dir
	)		const

Definition at line 88 of file GhostTrackState.cc.

References globalPosition().

{
    return (globalPosition() - point).dot(dir.unit());
}

GlobalPoint reco::GhostTrackState::globalPosition ( ) const

inline

Definition at line 36 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

Referenced by axisDistance(), flightDistance(), and vertexAtState().

{ return data().globalPosition(); }

bool GhostTrackState::isTrack

(

)

const

Definition at line 58 of file GhostTrackState.cc.

References ProxyBase< T, Cloner >::data().

{
    return dynamic_cast<const TrackGhostTrackState*>(&data()) != 0;
}

bool reco::GhostTrackState::isValid ( void  ) const

inline

Definition at line 43 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data(), and ProxyBase< T, Cloner >::isValid().

Referenced by reco::GhostTrackVertexFinder::initialVertices(), lambdaError(), and vertexAtState().

{ return Base::isValid() && data().isValid(); }

bool GhostTrackState::isVertex

(

)

const

Definition at line 63 of file GhostTrackState.cc.

References ProxyBase< T, Cloner >::data().

{
    return dynamic_cast<const VertexGhostTrackState*>(&data()) != 0;
}

double reco::GhostTrackState::lambda ( ) const

inline

Definition at line 40 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

Referenced by reco::PositiveSideGhostTrackFitter::fit(), linearize(), and vertexAtState().

{ return data().lambda(); }

double GhostTrackState::lambdaError	(	const GhostTrackPrediction &	pred,
		const GlobalError &	pvError = GlobalError()
	)		const

Definition at line 105 of file GhostTrackState.cc.

References conv, reco::GhostTrackPrediction::direction(), isValid(), GlobalErrorBase< T, ErrorWeightType >::matrix_new(), reco::GhostTrackPrediction::rho2(), mathSSE::sqrt(), and vertexStateOnGhostTrack().

{
    if (!isValid())
        return -1.;

    return std::sqrt(
            ROOT::Math::Similarity(
                conv(pred.direction()),
                (vertexStateOnGhostTrack(pred).second.matrix_new() +
             pvError.matrix_new()))
            / pred.rho2());
}

bool reco::GhostTrackState::linearize ( const GhostTrackPrediction &  pred, bool  initial = false, double  lambda = 0.  )

inline

Definition at line 48 of file GhostTrackState.h.

References lambda(), and ProxyBase< T, Cloner >::unsharedData().

Referenced by reco::SequentialGhostTrackFitter::fit(), reco::PositiveSideGhostTrackFitter::fit(), reco::GhostTrackFitter::fit(), reco::GhostTrackVertexFinder::initialVertices(), reco::GhostTrack::initStates(), and SecondaryVertexProducer::produce().

    { return unsharedData().linearize(pred, initial, lambda); }

bool reco::GhostTrackState::linearize ( const GhostTrackPrediction &  pred, double  lambda  )

inline

Definition at line 51 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::unsharedData().

    { return unsharedData().linearize(pred, lambda); }

void reco::GhostTrackState::reset ( void  )

inline

Definition at line 47 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::unsharedData().

{ unsharedData().reset(); }

void reco::GhostTrackState::setWeight ( double  weight )

inline

Definition at line 69 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::unsharedData().

Referenced by reco::PositiveSideGhostTrackFitter::fit(), reco::GhostTrack::initStates(), and SecondaryVertexProducer::produce().

{ unsharedData().setWeight(weight); }

const TransientTrack & GhostTrackState::track

(

void

)

const

Definition at line 78 of file GhostTrackState.cc.

References ProxyBase< T, Cloner >::data(), getTrack(), and reco::TrackGhostTrackState::track().

Referenced by vertexAtState().

{
    return getTrack(&data())->track();
}

const TrajectoryStateOnSurface & GhostTrackState::tsos

(

)

const

Definition at line 83 of file GhostTrackState.cc.

References ProxyBase< T, Cloner >::data(), getTrack(), and reco::TrackGhostTrackState::tsos().

{
    return getTrack(&data())->tsos();
}

Vertex reco::GhostTrackState::vertexStateOnGhostTrack ( const GhostTrackPrediction &  pred, bool  withMeasurementError = true  ) const

inline

Definition at line 60 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

Referenced by lambdaError().

    { return data().vertexStateOnGhostTrack(pred, withMeasurementError); }

Vertex reco::GhostTrackState::vertexStateOnMeasurement ( const GhostTrackPrediction &  pred, bool  withGhostTrackError = true  ) const

inline

Definition at line 64 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

    { return data().vertexStateOnMeasurement(pred, withGhostTrackError); }

double reco::GhostTrackState::weight ( void  ) const

inline

Definition at line 68 of file GhostTrackState.h.

References ProxyBase< T, Cloner >::data().

Referenced by reco::PositiveSideGhostTrackFitter::fit(), and reco::KalmanGhostTrackUpdater::update().

{ return data().weight(); }