reco::GhostTrackPrediction Class Reference

#include <GhostTrackPrediction.h>

Public Types
typedef ROOT::Math::SMatrix < double, 6, 6, ROOT::Math::MatRepSym < double, 6 > >	CartesianError
typedef ROOT::Math::SMatrix < double, 4, 4, ROOT::Math::MatRepSym < double, 4 > >	Error
typedef ROOT::Math::SVector < double, 4 >	Vector

Public Member Functions
CartesianError	cartesianError (double lambda=0.) const
double	cotTheta () const
const Error &	covariance () const
CurvilinearTrajectoryError	curvilinearError () const
const GlobalVector	direction () const
double	eta () const
FreeTrajectoryState	fts (const MagneticField *fieldProvider) const
	GhostTrackPrediction ()
	GhostTrackPrediction (const Vector &prediction, const Error &error)
	GhostTrackPrediction (const GlobalPoint &priorPosition, const GlobalError &priorError, const GlobalVector &direction, double coneRadius)
	GhostTrackPrediction (const GlobalPoint &priorPosition, const GlobalError &priorError, const GlobalVector &direction, const GlobalError &directionError)
	GhostTrackPrediction (const GlobalTrajectoryParameters &trajectory, const CurvilinearTrajectoryError &error)
	GhostTrackPrediction (const Track &track)
GlobalTrajectoryParameters	globalTrajectory (const MagneticField *fieldProvider) const
double	ip () const
double	lambda (const GlobalPoint &point) const
const GlobalPoint	origin () const
double	phi () const
GlobalPoint	position (double lambda=0.) const
GlobalError	positionError (double lambda=0.) const
const Vector &	prediction () const
double	rho () const
double	rho2 () const
double	sz () const
double	theta () const
Track	track (double ndof=0., double chi2=0.) const
double	z () const

Private Member Functions
void	init (const GlobalPoint &priorPosition, const GlobalError &priorError, const GlobalVector &direction, const GlobalError &directionError)

Private Attributes
Error	covariance_
Vector	prediction_

Detailed Description

Definition at line 21 of file GhostTrackPrediction.h.

Member Typedef Documentation

typedef ROOT::Math::SMatrix<double, 6, 6, ROOT::Math::MatRepSym<double, 6> > reco::GhostTrackPrediction::CartesianError

Definition at line 29 of file GhostTrackPrediction.h.

typedef ROOT::Math::SMatrix<double, 4, 4, ROOT::Math::MatRepSym<double, 4> > reco::GhostTrackPrediction::Error

Definition at line 27 of file GhostTrackPrediction.h.

typedef ROOT::Math::SVector<double, 4> reco::GhostTrackPrediction::Vector

Definition at line 25 of file GhostTrackPrediction.h.

Constructor & Destructor Documentation

reco::GhostTrackPrediction::GhostTrackPrediction ( )

inline

Definition at line 31 of file GhostTrackPrediction.h.

{}

reco::GhostTrackPrediction::GhostTrackPrediction ( const Vector &  prediction, const Error &  error  )

inline

Definition at line 32 of file GhostTrackPrediction.h.

                                                                       :
        prediction_(prediction), covariance_(error)
    {}

GhostTrackPrediction::GhostTrackPrediction	(	const GlobalPoint &	priorPosition,
		const GlobalError &	priorError,
		const GlobalVector &	direction,
		double	coneRadius
	)

Definition at line 105 of file GhostTrackPrediction.cc.

reco::GhostTrackPrediction::GhostTrackPrediction ( const GlobalPoint &  priorPosition, const GlobalError &  priorError, const GlobalVector &  direction, const GlobalError &  directionError  )

inline

Definition at line 41 of file GhostTrackPrediction.h.

References init().

    { init(priorPosition, priorError, direction, directionError); }

GhostTrackPrediction::GhostTrackPrediction	(	const GlobalTrajectoryParameters &	trajectory,
		const CurvilinearTrajectoryError &	error
	)

Definition at line 134 of file GhostTrackPrediction.cc.

GhostTrackPrediction::GhostTrackPrediction

(

const Track &

track

)

Definition at line 142 of file GhostTrackPrediction.cc.

Member Function Documentation

Matrix6S GhostTrackPrediction::cartesianError

(

double

lambda = 0.

)

const

Definition at line 168 of file GhostTrackPrediction.cc.

Referenced by reco::VertexGhostTrackState::vertexStateOnGhostTrack(), reco::TrackGhostTrackState::vertexStateOnGhostTrack(), and reco::TrackGhostTrackState::vertexStateOnMeasurement().

double reco::GhostTrackPrediction::cotTheta ( ) const

inline

Definition at line 54 of file GhostTrackPrediction.h.

References prediction_.

Referenced by direction(), eta(), rho2(), and theta().

{ return prediction_[2]; }

const Error& reco::GhostTrackPrediction::covariance ( void  ) const

inline

Definition at line 64 of file GhostTrackPrediction.h.

References covariance_.

Referenced by reco::KalmanGhostTrackUpdater::update().

{ return covariance_; }

CurvilinearTrajectoryError GhostTrackPrediction::curvilinearError

(

)

const

Definition at line 193 of file GhostTrackPrediction.cc.

const GlobalVector reco::GhostTrackPrediction::direction ( ) const

inline

Definition at line 68 of file GhostTrackPrediction.h.

References funct::cos(), cotTheta(), phi(), and funct::sin().

Referenced by reco::GhostTrackState::axisDistance(), lambda(), reco::GhostTrackState::lambdaError(), reco::TrackGhostTrackState::linearize(), position(), reco::VertexGhostTrackState::vertexStateOnGhostTrack(), reco::TrackGhostTrackState::vertexStateOnGhostTrack(), and reco::TrackGhostTrackState::vertexStateOnMeasurement().

    { return GlobalVector(std::cos(phi()), std::sin(phi()), cotTheta()); }

double reco::GhostTrackPrediction::eta ( void  ) const

inline

Definition at line 61 of file GhostTrackPrediction.h.

References cotTheta(), dqm-mbProfile::log, and rho().

Referenced by Particle.Particle::__str__(), and reco::SequentialGhostTrackFitter::stable().

{ return -std::log(rho() - cotTheta()); }

FreeTrajectoryState GhostTrackPrediction::fts

(

const MagneticField *

fieldProvider

)

const

Definition at line 211 of file GhostTrackPrediction.cc.

GlobalTrajectoryParameters GhostTrackPrediction::globalTrajectory

(

const MagneticField *

fieldProvider

)

const

Definition at line 188 of file GhostTrackPrediction.cc.

void GhostTrackPrediction::init ( const GlobalPoint &  priorPosition, const GlobalError &  priorError, const GlobalVector &  direction, const GlobalError &  directionError  )

private

Definition at line 66 of file GhostTrackPrediction.cc.

Referenced by GhostTrackPrediction().

double reco::GhostTrackPrediction::ip ( ) const

inline

Definition at line 53 of file GhostTrackPrediction.h.

References prediction_.

Referenced by origin(), and reco::SequentialGhostTrackFitter::stable().

{ return prediction_[1]; }

double reco::GhostTrackPrediction::lambda ( const GlobalPoint &  point ) const

inline

Definition at line 71 of file GhostTrackPrediction.h.

References direction(), origin(), and rho2().

Referenced by reco::PositiveSideGhostTrackFitter::fit(), reco::GhostTrackFitter::fit(), reco::GhostTrack::GhostTrack(), and position().

    { return (point - origin()) * direction() / rho2(); }

const GlobalPoint reco::GhostTrackPrediction::origin ( ) const

inline

Definition at line 66 of file GhostTrackPrediction.h.

References funct::cos(), ip(), phi(), funct::sin(), and z().

Referenced by reco::GhostTrackState::axisDistance(), lambda(), reco::TrackGhostTrackState::linearize(), position(), reco::VertexGhostTrackState::vertexStateOnGhostTrack(), reco::TrackGhostTrackState::vertexStateOnGhostTrack(), and reco::TrackGhostTrackState::vertexStateOnMeasurement().

    { return GlobalPoint(-std::sin(phi()) * ip(), std::cos(phi()) * ip(), z()); }

double reco::GhostTrackPrediction::phi ( void  ) const

inline

Definition at line 55 of file GhostTrackPrediction.h.

References prediction_.

Referenced by Particle.Particle::__str__(), direction(), origin(), and reco::SequentialGhostTrackFitter::stable().

{ return prediction_[3]; }

GlobalPoint reco::GhostTrackPrediction::position ( double  lambda = 0. ) const

inline

Definition at line 74 of file GhostTrackPrediction.h.

References direction(), lambda(), and origin().

Referenced by reco::TrackGhostTrackState::linearize().

    { return origin() + lambda * direction(); }

GlobalError GhostTrackPrediction::positionError

(

double

lambda = 0.

)

const

Definition at line 152 of file GhostTrackPrediction.cc.

const Vector& reco::GhostTrackPrediction::prediction ( ) const

inline

Definition at line 63 of file GhostTrackPrediction.h.

References prediction_.

Referenced by reco::KalmanGhostTrackUpdater::update().

{ return prediction_; }

double reco::GhostTrackPrediction::rho ( ) const

inline

Definition at line 58 of file GhostTrackPrediction.h.

References rho2(), and mathSSE::sqrt().

Referenced by Lepton.Lepton::absIsoFromEA(), eta(), reco::PositiveSideGhostTrackFitter::fit(), and sz().

{ return std::sqrt(rho2()); }

double reco::GhostTrackPrediction::rho2 ( ) const

inline

Definition at line 57 of file GhostTrackPrediction.h.

References cotTheta().

Referenced by lambda(), reco::GhostTrackState::lambdaError(), reco::TrackGhostTrackState::linearize(), rho(), reco::VertexGhostTrackState::vertexStateOnGhostTrack(), reco::TrackGhostTrackState::vertexStateOnGhostTrack(), and reco::TrackGhostTrackState::vertexStateOnMeasurement().

{ return cotTheta() * cotTheta() + 1.; }

double reco::GhostTrackPrediction::sz ( ) const

inline

Definition at line 59 of file GhostTrackPrediction.h.

References rho(), and z().

Referenced by reco::SequentialGhostTrackFitter::stable().

{ return z() / rho(); }

double reco::GhostTrackPrediction::theta ( void  ) const

inline

Definition at line 60 of file GhostTrackPrediction.h.

References cotTheta(), and M_PI_2.

Referenced by Tau.Tau::zImpact().

{ return M_PI_2 - std::atan(cotTheta()); }

Track GhostTrackPrediction::track	(	double	ndof = 0.,
		double	chi2 = 0.
	)		const

Definition at line 217 of file GhostTrackPrediction.cc.

Referenced by reco::GhostTrack::operator Track().

double reco::GhostTrackPrediction::z ( ) const

inline

Definition at line 52 of file GhostTrackPrediction.h.

References prediction_.

Referenced by origin(), and sz().

{ return prediction_[0]; }

Member Data Documentation

Error reco::GhostTrackPrediction::covariance_

private

Definition at line 95 of file GhostTrackPrediction.h.

Referenced by covariance().

Vector reco::GhostTrackPrediction::prediction_

private

Definition at line 94 of file GhostTrackPrediction.h.

Referenced by cotTheta(), ip(), phi(), prediction(), and z().