reco::GsfTrackExtra Class Reference

#include <GsfTrackExtra.h>

Public Types
enum	{ dimension = 5 }
	parameter dimension More...
typedef math::Error< dimension >::type	LocalCovarianceMatrix
	local covariance matrix More...
typedef math::Vector< dimension >::type	LocalParameterVector
	local parameter vector More...
typedef math::XYZPoint	Point
	point in the space More...
typedef math::XYZVector	Vector
	spatial vector More...

Public Member Functions
	GsfTrackExtra ()
	default constructor More...
	GsfTrackExtra (const std::vector< GsfComponent5D > &outerStates, const double &outerLocalPzSign, const std::vector< GsfComponent5D > &innerStates, const double &innerLocalPzSign, const std::vector< GsfTangent > &tangents)
	constructor from outermost position and momentum More...
std::vector< LocalCovarianceMatrix >	innerStateCovariances () const
	local covariance matrices at innermost state More...
std::vector< LocalParameterVector >	innerStateLocalParameters () const
	local parameters at innermost state More...
double	innerStateLocalPzSign () const
	sign of local P_z at innermost state More...
std::vector< double >	innerStateWeights () const
	weights at innermost state More...
std::vector< LocalCovarianceMatrix >	outerStateCovariances () const
	local covariance matrices at outermost state More...
std::vector< LocalParameterVector >	outerStateLocalParameters () const
	local parameters at outermost state More...
double	outerStateLocalPzSign () const
	sign of local P_z at outermost state More...
std::vector< double >	outerStateWeights () const
	weights at outermost state More...
Measurement1D	tangentDeltaP (unsigned int index) const
	deltaP for tangent More...
const Vector &	tangentMomentum (unsigned int index) const
	global momentum for tangent More...
const Point &	tangentPosition (unsigned int index) const
	global position for tangent More...
const std::vector< GsfTangent > &	tangents () const
	access to tangent information More...
unsigned int	tangentsSize () const
	number of objects with information for tangents to the electron track More...

Private Member Functions
std::vector< LocalCovarianceMatrix >	covariances (const std::vector< GsfComponent5D > &states) const
	extract covariance matrices from states More...
std::vector< LocalParameterVector >	parameters (const std::vector< GsfComponent5D > &states) const
	extract parameters from states More...
std::vector< double >	weights (const std::vector< GsfComponent5D > &states) const
	extract weights from states More...

Private Attributes
std::vector< GsfComponent5D >	innerStates_
	states at innermost point More...
std::vector< GsfComponent5D >	outerStates_
	states at outermost point More...
bool	positiveInnerStatePz_
	positive sign of P_z(local) at innermost State? More...
bool	positiveOuterStatePz_
	positive sign of P_z(local) at outermost State? More...
std::vector< GsfTangent >	tangents_
	information for tangents More...

Detailed Description

Definition at line 16 of file GsfTrackExtra.h.

Member Typedef Documentation

LocalCovarianceMatrix

typedef math::Error<dimension>::type reco::GsfTrackExtra::LocalCovarianceMatrix

local covariance matrix

Definition at line 23 of file GsfTrackExtra.h.

LocalParameterVector

typedef math::Vector<dimension>::type reco::GsfTrackExtra::LocalParameterVector

local parameter vector

Definition at line 21 of file GsfTrackExtra.h.

Point

typedef math::XYZPoint reco::GsfTrackExtra::Point

point in the space

Definition at line 25 of file GsfTrackExtra.h.

Vector

typedef math::XYZVector reco::GsfTrackExtra::Vector

spatial vector

Definition at line 27 of file GsfTrackExtra.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

parameter dimension

Enumerator
dimension

Definition at line 19 of file GsfTrackExtra.h.

{ dimension = 5 };

Constructor & Destructor Documentation

GsfTrackExtra() [1/2]

reco::GsfTrackExtra::GsfTrackExtra ( )

inline

default constructor

Definition at line 30 of file GsfTrackExtra.h.

{}

GsfTrackExtra() [2/2]

GsfTrackExtra::GsfTrackExtra	(	const std::vector< GsfComponent5D > &	outerStates,
		const double &	outerLocalPzSign,
		const std::vector< GsfComponent5D > &	innerStates,
		const double &	innerLocalPzSign,
		const std::vector< GsfTangent > &	tangents
	)

constructor from outermost position and momentum

Definition at line 4 of file GsfTrackExtra.cc.

    : outerStates_(outerStates),
      positiveOuterStatePz_(outerLocalPzSign > 0.),
      innerStates_(innerStates),
      positiveInnerStatePz_(innerLocalPzSign > 0.),
      tangents_(tangents) {}

Member Function Documentation

covariances()

std::vector< GsfTrackExtra::LocalCovarianceMatrix > GsfTrackExtra::covariances ( const std::vector< GsfComponent5D > &  states ) const

private

extract covariance matrices from states

Definition at line 34 of file GsfTrackExtra.cc.

References mps_fire::i, and mps_fire::result.

Referenced by innerStateCovariances(), and outerStateCovariances().

                                                   {
  std::vector<LocalCovarianceMatrix> result(states.size());
  std::vector<LocalCovarianceMatrix>::iterator ir(result.begin());
  for (std::vector<GsfComponent5D>::const_iterator i = states.begin(); i != states.end(); ++i) {
    (*i).covariance(*(ir++));
  }
  return result;
}

innerStateCovariances()

std::vector<LocalCovarianceMatrix> reco::GsfTrackExtra::innerStateCovariances ( ) const

inline

local covariance matrices at innermost state

Definition at line 52 of file GsfTrackExtra.h.

References covariances(), and innerStates_.

{ return covariances(innerStates_); }

innerStateLocalParameters()

std::vector<LocalParameterVector> reco::GsfTrackExtra::innerStateLocalParameters ( ) const

inline

local parameters at innermost state

Definition at line 50 of file GsfTrackExtra.h.

References innerStates_, and parameters().

{ return parameters(innerStates_); }

innerStateLocalPzSign()

double reco::GsfTrackExtra::innerStateLocalPzSign ( ) const

inline

sign of local P_z at innermost state

Definition at line 46 of file GsfTrackExtra.h.

References positiveInnerStatePz_.

{ return positiveInnerStatePz_ ? 1. : -1.; }

innerStateWeights()

std::vector<double> reco::GsfTrackExtra::innerStateWeights ( ) const

inline

weights at innermost state

Definition at line 48 of file GsfTrackExtra.h.

References innerStates_, and weights().

{ return weights(innerStates_); }

outerStateCovariances()

std::vector<LocalCovarianceMatrix> reco::GsfTrackExtra::outerStateCovariances ( ) const

inline

local covariance matrices at outermost state

Definition at line 44 of file GsfTrackExtra.h.

References covariances(), and outerStates_.

{ return covariances(outerStates_); }

outerStateLocalParameters()

std::vector<LocalParameterVector> reco::GsfTrackExtra::outerStateLocalParameters ( ) const

inline

local parameters at outermost state

Definition at line 42 of file GsfTrackExtra.h.

References outerStates_, and parameters().

{ return parameters(outerStates_); }

outerStateLocalPzSign()

double reco::GsfTrackExtra::outerStateLocalPzSign ( ) const

inline

sign of local P_z at outermost state

Definition at line 38 of file GsfTrackExtra.h.

References positiveOuterStatePz_.

{ return positiveOuterStatePz_ ? 1. : -1.; }

outerStateWeights()

std::vector<double> reco::GsfTrackExtra::outerStateWeights ( ) const

inline

weights at outermost state

Definition at line 40 of file GsfTrackExtra.h.

References outerStates_, and weights().

{ return weights(outerStates_); }

parameters()

std::vector< GsfTrackExtra::LocalParameterVector > GsfTrackExtra::parameters ( const std::vector< GsfComponent5D > &  states ) const

private

extract parameters from states

Definition at line 24 of file GsfTrackExtra.cc.

References mps_fire::i, and mps_fire::result.

Referenced by innerStateLocalParameters(), and outerStateLocalParameters().

                                                   {
  std::vector<LocalParameterVector> result(states.size());
  std::vector<LocalParameterVector>::iterator ir(result.begin());
  for (std::vector<GsfComponent5D>::const_iterator i = states.begin(); i != states.end(); ++i) {
    *(ir++) = (*i).parameters();
  }
  return result;
}

tangentDeltaP()

Measurement1D reco::GsfTrackExtra::tangentDeltaP ( unsigned int  index ) const

inline

deltaP for tangent

Definition at line 62 of file GsfTrackExtra.h.

References tangents_.

{ return tangents_[index].deltaP(); }

tangentMomentum()

const Vector& reco::GsfTrackExtra::tangentMomentum ( unsigned int  index ) const

inline

global momentum for tangent

Definition at line 60 of file GsfTrackExtra.h.

References tangents_.

{ return tangents_[index].momentum(); }

tangentPosition()

const Point& reco::GsfTrackExtra::tangentPosition ( unsigned int  index ) const

inline

global position for tangent

Definition at line 58 of file GsfTrackExtra.h.

References tangents_.

{ return tangents_[index].position(); }

tangents()

const std::vector<GsfTangent>& reco::GsfTrackExtra::tangents ( ) const

inline

access to tangent information

Definition at line 56 of file GsfTrackExtra.h.

References tangents_.

{ return tangents_; }

tangentsSize()

unsigned int reco::GsfTrackExtra::tangentsSize ( ) const

inline

number of objects with information for tangents to the electron track

Definition at line 54 of file GsfTrackExtra.h.

References tangents_.

{ return tangents_.size(); }

weights()

std::vector< double > GsfTrackExtra::weights ( const std::vector< GsfComponent5D > &  states ) const

private

extract weights from states

Definition at line 15 of file GsfTrackExtra.cc.

References mps_fire::i, and mps_fire::result.

Referenced by innerStateWeights(), and outerStateWeights().

                                                                                      {
  std::vector<double> result(states.size());
  std::vector<double>::iterator ir(result.begin());
  for (std::vector<GsfComponent5D>::const_iterator i = states.begin(); i != states.end(); ++i) {
    *(ir++) = (*i).weight();
  }
  return result;
}

Member Data Documentation

innerStates_

std::vector<GsfComponent5D> reco::GsfTrackExtra::innerStates_

private

states at innermost point

Definition at line 78 of file GsfTrackExtra.h.

Referenced by innerStateCovariances(), innerStateLocalParameters(), and innerStateWeights().

outerStates_

std::vector<GsfComponent5D> reco::GsfTrackExtra::outerStates_

private

states at outermost point

Definition at line 74 of file GsfTrackExtra.h.

Referenced by outerStateCovariances(), outerStateLocalParameters(), and outerStateWeights().

positiveInnerStatePz_

bool reco::GsfTrackExtra::positiveInnerStatePz_

private

positive sign of P_z(local) at innermost State?

Definition at line 80 of file GsfTrackExtra.h.

Referenced by innerStateLocalPzSign().

positiveOuterStatePz_

bool reco::GsfTrackExtra::positiveOuterStatePz_

private

positive sign of P_z(local) at outermost State?

Definition at line 76 of file GsfTrackExtra.h.

Referenced by outerStateLocalPzSign().

tangents_

std::vector<GsfTangent> reco::GsfTrackExtra::tangents_

private

information for tangents

Definition at line 82 of file GsfTrackExtra.h.

Referenced by tangentDeltaP(), tangentMomentum(), tangentPosition(), tangents(), and tangentsSize().