VertexTrack< N > Class Template Reference

#include <VertexTrack.h>

Inheritance diagram for VertexTrack< N >:

Public Types
typedef ROOT::Math::SMatrix < double, 3, N-2, ROOT::Math::MatRepStd< double, 3, N-2 > >	AlgebraicMatrix3M
typedef ROOT::Math::SMatrix < double, N-2, N-2, ROOT::Math::MatRepStd< double, N-2, N-2 > >	AlgebraicMatrixMM
typedef ROOT::Math::SMatrix < double, N+1, N+1, ROOT::Math::MatRepSym< double, N+1 > >	AlgebraicSymMatrixOO
typedef ROOT::Math::SVector < double, N >	AlgebraicVectorN
typedef ReferenceCountingPointer < LinearizedTrackState< N > >	RefCountedLinearizedTrackState
typedef ReferenceCountingPointer < RefittedTrackState< N > >	RefCountedRefittedTrackState

Public Member Functions
AlgebraicSymMatrixOO	fullCovariance () const
bool	fullCovarianceAvailable () const
RefCountedLinearizedTrackState	linearizedTrack () const
bool	operator== (const VertexTrack< N > &data) const
AlgebraicVectorN	refittedParamFromEquation () const
RefCountedRefittedTrackState	refittedState () const
bool	refittedStateAvailable () const
float	smoothedChi2 () const
bool	tkToVertexCovarianceAvailable () const
VertexState	vertexState () const
	VertexTrack (RefCountedLinearizedTrackState lt, VertexState v, float weight)
	VertexTrack (RefCountedLinearizedTrackState lt, VertexState v, float weight, const RefCountedRefittedTrackState &refittedState, float smoothedChi2)
	VertexTrack (RefCountedLinearizedTrackState lt, VertexState v, float weight, const RefCountedRefittedTrackState &refittedState, float smoothedChi2, const AlgebraicSymMatrixOO &fullCov)
float	weight () const

Private Attributes
ROOT::Math::SMatrix< double, 6, 6, ROOT::Math::MatRepSym < double, 6 > >	b6
ROOT::Math::SMatrix< double, 7, 7, ROOT::Math::MatRepSym < double, 7 > >	b7
bool	covAvailable
AlgebraicSymMatrixOO	fullCovariance_
float	smoothedChi2_
bool	stAvailable
RefCountedLinearizedTrackState	theLinTrack
RefCountedRefittedTrackState	theRefittedState
VertexState	theVertexState
float	theWeight

Detailed Description

template<unsigned int N>
class VertexTrack< N >

Track information relative to a track-to-vertex association. The track weight corresponds to the distance of the track to the seed position.

Definition at line 19 of file VertexTrack.h.

Member Typedef Documentation

template<unsigned int N>

typedef ROOT::Math::SMatrix<double,3,N-2,ROOT::Math::MatRepStd<double,3,N-2> > VertexTrack< N >::AlgebraicMatrix3M

Definition at line 25 of file VertexTrack.h.

template<unsigned int N>

typedef ROOT::Math::SMatrix<double,N-2,N-2,ROOT::Math::MatRepStd<double,N-2,N-2> > VertexTrack< N >::AlgebraicMatrixMM

Definition at line 24 of file VertexTrack.h.

template<unsigned int N>

typedef ROOT::Math::SMatrix<double,N+1,N+1,ROOT::Math::MatRepSym<double,N+1> > VertexTrack< N >::AlgebraicSymMatrixOO

Definition at line 26 of file VertexTrack.h.

template<unsigned int N>

typedef ROOT::Math::SVector<double,N> VertexTrack< N >::AlgebraicVectorN

Definition at line 23 of file VertexTrack.h.

template<unsigned int N>

typedef ReferenceCountingPointer<LinearizedTrackState<N> > VertexTrack< N >::RefCountedLinearizedTrackState

Definition at line 29 of file VertexTrack.h.

template<unsigned int N>

typedef ReferenceCountingPointer<RefittedTrackState<N> > VertexTrack< N >::RefCountedRefittedTrackState

Definition at line 30 of file VertexTrack.h.

Constructor & Destructor Documentation

template<unsigned int N>

VertexTrack< N >::VertexTrack	(	RefCountedLinearizedTrackState	lt,
		VertexState	v,
		float	weight
	)

Constructor with the linearized track data, vertex seed and weight

Definition at line 5 of file VertexTrack.cc.

  : theLinTrack(std::move(lt)), theVertexState(std::move(v)), theWeight(weight),
    stAvailable(false), covAvailable(false), smoothedChi2_(-1.) {}

template<unsigned int N>

VertexTrack< N >::VertexTrack	(	RefCountedLinearizedTrackState	lt,
		VertexState	v,
		float	weight,
		const RefCountedRefittedTrackState &	refittedState,
		float	smoothedChi2
	)

Constructor with the linearized track data, vertex seed and weight and state at vertex, constrained by vertex

Definition at line 13 of file VertexTrack.cc.

  : theLinTrack(std::move(lt)), theVertexState(std::move(v)), theWeight(weight),
    stAvailable(true), covAvailable(false), theRefittedState(refittedState),
    smoothedChi2_(smoothedChi2) {}

template<unsigned int N>

VertexTrack< N >::VertexTrack	(	RefCountedLinearizedTrackState	lt,
		VertexState	v,
		float	weight,
		const RefCountedRefittedTrackState &	refittedState,
		float	smoothedChi2,
		const AlgebraicSymMatrixOO &	fullCov
	)

Constructor with the linearized track data, vertex seed and weight and state and covariance at vertex, constrained by vertex

Definition at line 23 of file VertexTrack.cc.

  : theLinTrack(std::move(lt)), theVertexState(std::move(v)), theWeight(weight),
    stAvailable(true), covAvailable(true), 
    theRefittedState(refittedState), fullCovariance_(fullCov),
    smoothedChi2_(smoothedChi2) {}

Member Function Documentation

template<unsigned int N>

AlgebraicSymMatrixOO VertexTrack< N >::fullCovariance ( ) const

inline

Track to vertex covariance Track to vertex covariance

Definition at line 87 of file VertexTrack.h.

References VertexTrack< N >::fullCovariance_, and VertexTrack< N >::tkToVertexCovarianceAvailable().

                                              {
    if (!tkToVertexCovarianceAvailable()) {
      throw VertexException("VertexTrack::track to vertex covariance not available"); 
    }
    return fullCovariance_;
  }

template<unsigned int N>

bool VertexTrack< N >::fullCovarianceAvailable ( ) const

inline

Definition at line 61 of file VertexTrack.h.

References VertexTrack< N >::covAvailable.

{ return covAvailable; }

template<unsigned int N>

RefCountedLinearizedTrackState VertexTrack< N >::linearizedTrack ( ) const

inline

Access methods

Definition at line 56 of file VertexTrack.h.

References VertexTrack< N >::theLinTrack.

Referenced by VertexTrack< N >::operator==().

{ return theLinTrack; }

template<unsigned int N>

bool VertexTrack< N >::operator== ( const VertexTrack< N > &  data ) const

inline

Equality for finding a VertexTrack in a container Compares the RecTrack addresses

Definition at line 97 of file VertexTrack.h.

References VertexTrack< N >::linearizedTrack().

  {
    return ((*data.linearizedTrack()) == (*linearizedTrack()));
  }

template<unsigned int N>

VertexTrack< N >::AlgebraicVectorN VertexTrack< N >::refittedParamFromEquation

(

)

const

Method helping Kalman vertex fit

Definition at line 34 of file VertexTrack.cc.

{
  return linearizedTrack()->refittedParamFromEquation(theRefittedState);
}

template<unsigned int N>

RefCountedRefittedTrackState VertexTrack< N >::refittedState ( ) const

inline

Track state with vertex constraint

Definition at line 74 of file VertexTrack.h.

References VertexTrack< N >::refittedStateAvailable(), and VertexTrack< N >::theRefittedState.

                                                     { 
    if (!refittedStateAvailable()) { 
      throw VertexException("VertexTrack::refitted state not available"); 
    }
    return theRefittedState;
  }

template<unsigned int N>

bool VertexTrack< N >::refittedStateAvailable ( ) const

inline

Definition at line 59 of file VertexTrack.h.

References VertexTrack< N >::stAvailable.

Referenced by VertexTrack< N >::refittedState().

{ return stAvailable; }

template<unsigned int N>

float VertexTrack< N >::smoothedChi2 ( ) const

inline

The smoother track-chi2 (can be used to test the track-vertex compatibility). Its value has a meaning only if the smoother has been run after the vertex fit (track-refit) . Otherwise, the value returned is -1.

Definition at line 69 of file VertexTrack.h.

References VertexTrack< N >::smoothedChi2_.

{ return smoothedChi2_; }

template<unsigned int N>

bool VertexTrack< N >::tkToVertexCovarianceAvailable ( ) const

inline

Definition at line 60 of file VertexTrack.h.

References VertexTrack< N >::covAvailable.

Referenced by VertexTrack< N >::fullCovariance().

{ return covAvailable; }

template<unsigned int N>

VertexState VertexTrack< N >::vertexState ( ) const

inline

Definition at line 57 of file VertexTrack.h.

References VertexTrack< N >::theVertexState.

{ return theVertexState; }

template<unsigned int N>

float VertexTrack< N >::weight ( void  ) const

inline

Definition at line 58 of file VertexTrack.h.

References VertexTrack< N >::theWeight.

Referenced by cuy.ValElement::__init__(), cuy.additionElement::__init__(), cuy.superimposeElement::__init__(), and cuy.graphElement::__init__().

{ return theWeight; }

Member Data Documentation

template<unsigned int N>

ROOT::Math::SMatrix<double,6,6,ROOT::Math::MatRepSym<double,6> > VertexTrack< N >::b6

private

Definition at line 116 of file VertexTrack.h.

template<unsigned int N>

ROOT::Math::SMatrix<double,7,7,ROOT::Math::MatRepSym<double,7> > VertexTrack< N >::b7

private

Definition at line 117 of file VertexTrack.h.

template<unsigned int N>

bool VertexTrack< N >::covAvailable

private

Definition at line 113 of file VertexTrack.h.

Referenced by VertexTrack< N >::fullCovarianceAvailable(), and VertexTrack< N >::tkToVertexCovarianceAvailable().

template<unsigned int N>

AlgebraicSymMatrixOO VertexTrack< N >::fullCovariance_

private

Definition at line 115 of file VertexTrack.h.

Referenced by VertexTrack< N >::fullCovariance().

template<unsigned int N>

float VertexTrack< N >::smoothedChi2_

private

Definition at line 118 of file VertexTrack.h.

Referenced by VertexTrack< N >::smoothedChi2().

template<unsigned int N>

bool VertexTrack< N >::stAvailable

private

Definition at line 112 of file VertexTrack.h.

Referenced by VertexTrack< N >::refittedStateAvailable().

template<unsigned int N>

RefCountedLinearizedTrackState VertexTrack< N >::theLinTrack

private

Definition at line 109 of file VertexTrack.h.

Referenced by VertexTrack< N >::linearizedTrack().

template<unsigned int N>

RefCountedRefittedTrackState VertexTrack< N >::theRefittedState

private

Definition at line 114 of file VertexTrack.h.

Referenced by VertexTrack< N >::refittedState().

template<unsigned int N>

VertexState VertexTrack< N >::theVertexState

private

Definition at line 110 of file VertexTrack.h.

Referenced by VertexTrack< N >::vertexState().

template<unsigned int N>

float VertexTrack< N >::theWeight

private

Definition at line 111 of file VertexTrack.h.

Referenced by VertexTrack< N >::weight().