#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 18 of file VertexTrack.h.

Member Typedef Documentation

◆ AlgebraicMatrix3M

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 22 of file VertexTrack.h.

◆ AlgebraicMatrixMM

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 21 of file VertexTrack.h.

◆ AlgebraicSymMatrixOO

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 23 of file VertexTrack.h.

◆ AlgebraicVectorN

template<unsigned int N>

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

Definition at line 20 of file VertexTrack.h.

◆ RefCountedLinearizedTrackState

template<unsigned int N>

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

Definition at line 26 of file VertexTrack.h.

◆ RefCountedRefittedTrackState

template<unsigned int N>

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

Definition at line 27 of file VertexTrack.h.

Constructor & Destructor Documentation

◆ VertexTrack() [1/3]

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 4 of file VertexTrack.cc.

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

◆ VertexTrack() [2/3]

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) {}

◆ VertexTrack() [3/3]

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 27 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

◆ fullCovariance()

template<unsigned int N>

AlgebraicSymMatrixOO VertexTrack< N >::fullCovariance ( ) const

inline

Track to vertex covariance ‍/ AlgebraicMatrix3M tkToVtxCovariance() const;

/** Track to vertex covariance

Definition at line 84 of file VertexTrack.h.

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

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

◆ fullCovarianceAvailable()

template<unsigned int N>

bool VertexTrack< N >::fullCovarianceAvailable ( ) const

inline

Definition at line 59 of file VertexTrack.h.

59 { return covAvailable; }

References VertexTrack< N >::covAvailable.

◆ linearizedTrack()

template<unsigned int N>

RefCountedLinearizedTrackState VertexTrack< N >::linearizedTrack ( ) const

inline

Access methods

Definition at line 54 of file VertexTrack.h.

54 { return theLinTrack; }

References VertexTrack< N >::theLinTrack.

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

◆ operator==()

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 94 of file VertexTrack.h.

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

References data, and VertexTrack< N >::linearizedTrack().

◆ refittedParamFromEquation()

template<unsigned int N>

VertexTrack< N >::AlgebraicVectorN VertexTrack< N >::refittedParamFromEquation ( ) const

Method helping Kalman vertex fit

Definition at line 43 of file VertexTrack.cc.

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

◆ refittedState()

template<unsigned int N>

RefCountedRefittedTrackState VertexTrack< N >::refittedState ( ) const

inline

Track state with vertex constraint

Definition at line 71 of file VertexTrack.h.

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

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

◆ refittedStateAvailable()

template<unsigned int N>

bool VertexTrack< N >::refittedStateAvailable ( ) const

inline

Definition at line 57 of file VertexTrack.h.

57 { return stAvailable; }

References VertexTrack< N >::stAvailable.

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

◆ smoothedChi2()

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 67 of file VertexTrack.h.

67 { return smoothedChi2_; }

References VertexTrack< N >::smoothedChi2_.