CbmVertex Class Reference

#include <CbmVertex.h>

Inheritance diagram for CbmVertex:

Collaboration diagram for CbmVertex:

Public Member Functions
	CbmVertex ()
	CbmVertex (const char *name, const char *title)
	CbmVertex (const char *name, const char *title, Double_t x, Double_t y, Double_t z, Double_t chi2, Int_t ndf, Int_t nTracks, const TMatrixFSym &covMat)
virtual	~CbmVertex ()
virtual void	Print (Option_t *opt="") const
Double_t	GetX () const
Double_t	GetY () const
Double_t	GetZ () const
Double_t	GetChi2 () const
Int_t	GetNDF () const
Int_t	GetNTracks () const
void	Position (TVector3 &pos) const
void	CovMatrix (TMatrixFSym &covMat) const
Double_t	GetCovariance (Int_t i, Int_t j) const
void	Reset ()
void	SetVertex (Double_t x, Double_t y, Double_t z, Double_t chi2, Int_t ndf, Int_t nTracks, const TMatrixFSym &covMat)
virtual std::string	ToString () const

Private Member Functions
	ClassDef (CbmVertex, 1)

Private Attributes
Double32_t	fX
Double32_t	fY
Double32_t	fZ
Double32_t	fChi2
Int_t	fNDF
Int_t	fNTracks
Double32_t	fCovMatrix [6]

Detailed Description

CbmVertex.h

Author

V.Friese v.fri.nosp@m.ese@.nosp@m.gsi.d.nosp@m.e

Data class for a vertex in CBM. Data level: RECO

Definition at line 26 of file CbmVertex.h.

Constructor & Destructor Documentation

CbmVertex() [1/3]

CbmVertex::CbmVertex

(

)

Default constructor

Definition at line 21 of file CbmVertex.cxx.

References fCovMatrix, and i.

CbmVertex() [2/3]

CbmVertex::CbmVertex	(	const char *	name,
		const char *	title
	)

Constructor with name and title

Definition at line 36 of file CbmVertex.cxx.

References fCovMatrix, and i.

CbmVertex() [3/3]

CbmVertex::CbmVertex	(	const char *	name,
		const char *	title,
		Double_t	x,
		Double_t	y,
		Double_t	z,
		Double_t	chi2,
		Int_t	ndf,
		Int_t	nTracks,
		const TMatrixFSym &	covMat
	)

Constructor with all member variables

Parameters

name	Name of object
title	Title of object
x	x coordinate [cm]
y	y coordinate [cm]
z	z coordinate [cm]
chi2	chi square of vertex fit
ndf	Number of degrees of freedom of vertex fit
nTracks	Number of tracks used for vertex fit
covMat	Covariance Matrix (symmetric, 3x3)

Definition at line 52 of file CbmVertex.cxx.

References fCovMatrix, and i.

~CbmVertex()

CbmVertex::~CbmVertex ( )

virtual

Destructor

Definition at line 86 of file CbmVertex.cxx.

Member Function Documentation

ClassDef()

CbmVertex::ClassDef ( CbmVertex  , 1    )

private

CovMatrix()

void CbmVertex::CovMatrix

(

TMatrixFSym &

covMat

)

const

Definition at line 104 of file CbmVertex.cxx.

References fCovMatrix, and i.

Referenced by CbmStsKFTrackFitter::GetChiToVertex(), and GetCovariance().

GetChi2()

Double_t CbmVertex::GetChi2 ( ) const

inline

Definition at line 71 of file CbmVertex.h.

References fChi2.

Referenced by compareEventDataMembers(), compareVertexDataMembers(), CbmRecEventHeaderConverter::Exec(), CbmStsFitPerformanceTask::Exec(), PairAnalysisVarManager::FillVarVertex(), CbmStsFitPerformanceTask::FillVertexHisto(), and DataTreeCbmInterface::ReadEvent().

GetCovariance()

Double_t CbmVertex::GetCovariance	(	Int_t	i,
		Int_t	j
	)		const

Definition at line 118 of file CbmVertex.cxx.

References CovMatrix(), and i.

Referenced by compareEventDataMembers(), compareVertexDataMembers(), CbmStsFitPerformanceTask::Exec(), and CbmStsFitPerformanceTask::FillVertexHisto().

GetNDF()

Int_t CbmVertex::GetNDF ( ) const

inline

Definition at line 72 of file CbmVertex.h.

References fNDF.

Referenced by compareEventDataMembers(), compareVertexDataMembers(), CbmRecEventHeaderConverter::Exec(), CbmStsFitPerformanceTask::Exec(), PairAnalysisVarManager::FillVarVertex(), CbmStsFitPerformanceTask::FillVertexHisto(), and DataTreeCbmInterface::ReadEvent().

GetNTracks()

Int_t CbmVertex::GetNTracks ( ) const

inline

Definition at line 73 of file CbmVertex.h.

References fNTracks.

Referenced by compareEventDataMembers(), compareVertexDataMembers(), CbmFindPrimaryVertex::Exec(), PairAnalysisVarManager::FillVarVertex(), and CbmStsFitPerformanceTask::FillVertexHisto().

GetX()

Double_t CbmVertex::GetX ( ) const

inline

Accessors

Definition at line 68 of file CbmVertex.h.

References fX.

Referenced by CbmLitFindGlobalTracks::CalculateLength(), compareEventDataMembers(), compareVertexDataMembers(), CbmRecEventHeaderConverter::Exec(), CbmKFParticleFinder::Exec(), CbmStsFitPerformanceTask::Exec(), PairAnalysisVarManager::FillVarVertex(), CbmStsFitPerformanceTask::FillVertexHisto(), CbmStsKFTrackFitter::GetChiToVertex(), PairAnalysisPair::GetDCA(), CbmLitConverter::GetStsTrackTimes(), NicaCbmGlobalEventInterface::GetVertex(), DataTreeCbmInterface::ReadEvent(), DataTreeCbmInterface::ReadTracks(), and CbmStsTracksConverter::ReadVertexTracks().

GetY()

Double_t CbmVertex::GetY ( ) const

inline

Definition at line 69 of file CbmVertex.h.

References fY.

Referenced by CbmLitFindGlobalTracks::CalculateLength(), compareEventDataMembers(), compareVertexDataMembers(), CbmRecEventHeaderConverter::Exec(), CbmKFParticleFinder::Exec(), CbmStsFitPerformanceTask::Exec(), PairAnalysisVarManager::FillVarVertex(), CbmStsFitPerformanceTask::FillVertexHisto(), CbmStsKFTrackFitter::GetChiToVertex(), PairAnalysisPair::GetDCA(), CbmLitConverter::GetStsTrackTimes(), NicaCbmGlobalEventInterface::GetVertex(), DataTreeCbmInterface::ReadEvent(), DataTreeCbmInterface::ReadTracks(), and CbmStsTracksConverter::ReadVertexTracks().

GetZ()

Double_t CbmVertex::GetZ ( ) const

inline

Definition at line 70 of file CbmVertex.h.

References fZ.

Referenced by LxFinderTriplet::CalcInvMass(), LxFinder::CalcInvMass(), CbmGlobalTrackingTask::CalcStsTrackLength(), CbmLitFindGlobalTracks::CalculateLength(), compareEventDataMembers(), compareVertexDataMembers(), CbmGlobalTrackFitterKF::DoFit(), CbmRecEventHeaderConverter::Exec(), LxFinderTriplet::Exec(), CbmAnaDimuonAnalysis::Exec(), CbmKFParticleFinder::Exec(), CbmStsFitPerformanceTask::Exec(), LxFinder::Exec(), CbmHadronAnalysis::ExecEvent(), PairAnalysisVarManager::FillVarVertex(), CbmStsFitPerformanceTask::FillVertexHisto(), CbmStsKFTrackFitter::GetChiToVertex(), PairAnalysisPair::GetDCA(), CbmLitConverter::GetStsTrackTimes(), NicaCbmGlobalEventInterface::GetVertex(), DataTreeCbmInterface::ReadEvent(), DataTreeCbmInterface::ReadTracks(), and CbmStsTracksConverter::ReadVertexTracks().

Position()

void CbmVertex::Position ( TVector3 &  pos ) const

inline

Definition at line 74 of file CbmVertex.h.

References fX, fY, fZ, and pos.

Referenced by CbmL1CATrdTrackFinderSA::CreateTracks(), and PairAnalysisPair::GetCosPointingAngle().

Print()

void CbmVertex::Print ( Option_t *  opt = "" ) const

virtual

Ouput to screen

Definition at line 91 of file CbmVertex.cxx.

References fChi2, fNDF, fNTracks, fX, fY, and fZ.

Reset()

void CbmVertex::Reset

(

)

Reset the member variables

Definition at line 159 of file CbmVertex.cxx.

References fChi2, fCovMatrix, fNDF, fNTracks, fX, fY, fZ, and i.

Referenced by CbmFindPrimaryVertex::Exec(), PairAnalysisVarManager::FillVarMCHeader(), CbmFindPrimaryVertex::Finish(), and PairAnalysisVarManager::SetEvent().

SetVertex()

void CbmVertex::SetVertex	(	Double_t	x,
		Double_t	y,
		Double_t	z,
		Double_t	chi2,
		Int_t	ndf,
		Int_t	nTracks,
		const TMatrixFSym &	covMat
	)

Set the member variables

Parameters

x	x coordinate [cm]
y	y coordinate [cm]
z	z coordinate [cm]
chi2	chi square of vertex fit
ndf	Number of degrees of freedom of vertex fit
nTracks	Number of tracks used for vertex fit
covMat	Covariance Matrix (symmetric, 3x3)

Definition at line 129 of file CbmVertex.cxx.

References fChi2, fCovMatrix, fNDF, fNTracks, fX, fY, fZ, i, x, and y.

Referenced by CbmKresFunctions::ChiToVertex(), PairAnalysisVarManager::FillVarMCHeader(), CbmPVFinderIdeal::FindPrimaryVertex(), CbmKresFunctions::FitToVertex(), CbmKresFunctions::FitToVertexAndGetChi(), CbmEvent::SetVertex(), and TEST().

ToString()

string CbmVertex::ToString ( ) const

virtual

String output

Definition at line 169 of file CbmVertex.cxx.

References fChi2, fNDF, fNTracks, fX, fY, and fZ.

Referenced by CbmFindPrimaryVertex::Exec(), and CbmFindPrimaryVertexEvents::Exec().

Member Data Documentation

fChi2

Double32_t CbmVertex::fChi2

private

Chi2 of vertex fit

Definition at line 110 of file CbmVertex.h.

Referenced by GetChi2(), Print(), Reset(), SetVertex(), and ToString().

fCovMatrix

Double32_t CbmVertex::fCovMatrix[6]

private

Covariance matrix for x, y, and z stored in an array. The sequence is a[0,0], a[0,1], a[0,2], a[1,1], a[1,2], a[2,2]

Definition at line 121 of file CbmVertex.h.

Referenced by CbmVertex(), CovMatrix(), Reset(), and SetVertex().

fNDF

Int_t CbmVertex::fNDF

private

Number of degrees of freedom of vertex fit

Definition at line 113 of file CbmVertex.h.

Referenced by GetNDF(), Print(), Reset(), SetVertex(), and ToString().

fNTracks

Int_t CbmVertex::fNTracks

private

Number of tracks used for the vertex fit

Definition at line 116 of file CbmVertex.h.

Referenced by GetNTracks(), Print(), Reset(), SetVertex(), and ToString().

fX

Double32_t CbmVertex::fX

private

Position coordinates [cm]

Definition at line 107 of file CbmVertex.h.

Referenced by GetX(), Position(), Print(), Reset(), SetVertex(), and ToString().

fY

Double32_t CbmVertex::fY

private

Definition at line 107 of file CbmVertex.h.

Referenced by GetY(), Position(), Print(), Reset(), SetVertex(), and ToString().

fZ

Double32_t CbmVertex::fZ

private

Definition at line 107 of file CbmVertex.h.

Referenced by GetZ(), Position(), Print(), Reset(), SetVertex(), and ToString().

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The documentation for this class was generated from the following files:

• CbmVertex.h
• CbmVertex.cxx