The BmnKFPrimaryVertexFinder class - adaptation of MpdKfPrimaryVertexFinder. More...

#include <BmnKFPrimaryVertexFinder.h>

Inheritance diagram for BmnKFPrimaryVertexFinder:

Collaboration diagram for BmnKFPrimaryVertexFinder:

Public Member Functions
	BmnKFPrimaryVertexFinder ()
	~BmnKFPrimaryVertexFinder ()
InitStatus	Init ()
void	Exec (Option_t *option)
void	Clear ()
void	AddTrack (CbmKFTrackInterface *Track)
void	SetTracks (std::vector< CbmKFTrackInterface * > &vTracks)
void	EvalVertex ()
void	Fit (CbmKFVertexInterface &vtx)
Bool_t	ComputeAandB (TMatrixD &xk0, CbmKFTrackInterface &track, Double_t zhit, TMatrixD &a, TMatrixD &b, TMatrixD &ck0)
void	FindPca (CbmKFTrackInterface &track, Double_t *vert)
CbmVertex *	GetVertex () const
void	SetTrackArray (TClonesArray *trArray)
	BmnKFPrimaryVertexFinder ()
	~BmnKFPrimaryVertexFinder ()
InitStatus	Init ()
void	Exec (Option_t *option)
void	Clear ()
void	AddTrack (CbmKFTrackInterface *Track)
void	SetTracks (std::vector< CbmKFTrackInterface * > &vTracks)
void	EvalVertex ()
void	Fit (CbmKFVertexInterface &vtx)
Bool_t	ComputeAandB (TMatrixD &xk0, CbmKFTrackInterface &track, Double_t zhit, TMatrixD &a, TMatrixD &b, TMatrixD &ck0)
void	FindPca (CbmKFTrackInterface &track, Double_t *vert)
CbmVertex *	GetVertex () const
void	SetTrackArray (TClonesArray *trArray)

Private Attributes
std::vector< CbmKFTrackInterface * >	fTracks
TClonesArray *	fInputTracks
CbmVertex *	fPrimVert
TH1D *	fHist [2]
TH1D *	fHistw [2]
TH1D *	fHistPca
TH1D *	fHistErr [2]
TH1D *	fHistZ
TH1D *	fHistR
TH2D *	fHZR
TH3D *	fHist3
TH3D *	fHistw3
Double_t	fSigma [3]
Double_t	fMean [3]
std::vector< int >	fTrkID

Detailed Description

Author: A.Zinchenko

Version: 1.0

Since: 12.10.2023

Class to find primary vertex with the Kalman Filter method

Definition at line 24 of file BmnKFPrimaryVertexFinder.h.

Constructor & Destructor Documentation

◆ BmnKFPrimaryVertexFinder() [1/2]

BmnKFPrimaryVertexFinder::BmnKFPrimaryVertexFinder ( )

inline

Definition at line 38 of file BmnKFPrimaryVertexFinder.h.

References fPrimVert, and fTracks.

◆ ~BmnKFPrimaryVertexFinder() [1/2]

BmnKFPrimaryVertexFinder::~BmnKFPrimaryVertexFinder ( )

inline

Definition at line 41 of file BmnKFPrimaryVertexFinder.h.

References fPrimVert.

◆ BmnKFPrimaryVertexFinder() [2/2]

BmnKFPrimaryVertexFinder::BmnKFPrimaryVertexFinder ( )

inline

Definition at line 38 of file BmnKFPrimaryVertexFinder.h.

References fPrimVert, and fTracks.

◆ ~BmnKFPrimaryVertexFinder() [2/2]

BmnKFPrimaryVertexFinder::~BmnKFPrimaryVertexFinder ( )

inline

Definition at line 41 of file BmnKFPrimaryVertexFinder.h.

References fPrimVert.

Member Function Documentation

◆ AddTrack() [1/2]

void BmnKFPrimaryVertexFinder::AddTrack ( CbmKFTrackInterface * Track )

Definition at line 158 of file BmnKFPrimaryVertexFinder.cxx.

References fTracks.

Referenced by Exec().

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◆ AddTrack() [2/2]

void BmnKFPrimaryVertexFinder::AddTrack ( CbmKFTrackInterface * Track )

◆ Clear() [1/2]

void BmnKFPrimaryVertexFinder::Clear ( )

Definition at line 138 of file BmnKFPrimaryVertexFinder.cxx.

References fHist, fHist3, fHistErr, fHistR, fHistw, fHistw3, fHistZ, fHZR, fTracks, and fTrkID.

Referenced by Exec().

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◆ Clear() [2/2]

void BmnKFPrimaryVertexFinder::Clear ( )

◆ ComputeAandB() [1/2]

Bool_t BmnKFPrimaryVertexFinder::ComputeAandB	(	TMatrixD &	xk0,
		CbmKFTrackInterface &	track,
		Double_t	zhit,
		TMatrixD &	a,
		TMatrixD &	b,
		TMatrixD &	ck0 )

Compute matrices of derivatives w.r.t. vertex coordinates and track momentum

Definition at line 811 of file BmnKFPrimaryVertexFinder.cxx.

References CbmKFTrackInterface::Extrapolate(), CbmKFTrackInterface::GetCovMatrix(), TMatrixT< class Element >::GetMatrixArray(), CbmKFTrack::GetTrack(), i, CbmKFMath::indexS(), TMatrixT< Double_t >::kMult, TMath::Sign(), and TMath::Sqrt().

Referenced by Fit().

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◆ ComputeAandB() [2/2]

Bool_t BmnKFPrimaryVertexFinder::ComputeAandB	(	TMatrixD &	xk0,
		CbmKFTrackInterface &	track,
		Double_t	zhit,
		TMatrixD &	a,
		TMatrixD &	b,
		TMatrixD &	ck0 )

◆ EvalVertex() [1/2]

void BmnKFPrimaryVertexFinder::EvalVertex ( )

Definition at line 172 of file BmnKFPrimaryVertexFinder.cxx.

References TMath::Abs(), dist(), TH1::Draw(), CbmKFTrackInterface::Extrapolate(), fHist, fHist3, fHistErr, fHistR, fHistw, fHistw3, fHistZ, fHZR, TAxis::FindBin(), fInputTracks, fMean, fPrimVert, fSigma, fTracks, CbmKFTrack::GetCovMatrix(), TH1::GetMaximum(), TH1::GetMaximumBin(), TAxis::GetNbins(), CbmStsTrack::GetNStsHits(), CbmStsTrack::GetParamFirst(), CbmKFTrack::GetTrack(), TH1::GetXaxis(), i, CbmKF::Instance(), TMath::Max(), TMath::Min(), TPad::Modified(), TAxis::SetRange(), TMath::Sqrt(), TCanvas::Update(), CbmKF::vTargets, CbmKFTube::z, and z.

Referenced by Exec().

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◆ EvalVertex() [2/2]

void BmnKFPrimaryVertexFinder::EvalVertex ( )

◆ Exec() [1/2]

void BmnKFPrimaryVertexFinder::Exec ( Option_t * option )

Definition at line 60 of file BmnKFPrimaryVertexFinder.cxx.

References AddTrack(), Clear(), EvalVertex(), fInputTracks, Fit(), fPrimVert, fTrkID, CbmStsTrack::GetChi2(), CbmStsTrack::GetFlag(), CbmStsTrack::GetNDF(), CbmStsTrack::GetNStsHits(), i, TMath::Min(), CbmStsTrack::SetFlag(), CbmKFTrack::SetStsTrack(), and v.

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◆ Exec() [2/2]

void BmnKFPrimaryVertexFinder::Exec ( Option_t * option )

◆ FindPca() [1/2]

void BmnKFPrimaryVertexFinder::FindPca	(	CbmKFTrackInterface &	track,
		Double_t *	vert )

Definition at line 928 of file BmnKFPrimaryVertexFinder.cxx.

References dist(), CbmKFTrackInterface::Extrapolate(), fHistPca, TF1::GetMinimumX(), CbmKFTrackInterface::GetTrack(), i, and TMath::Sqrt().

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◆ FindPca() [2/2]

void BmnKFPrimaryVertexFinder::FindPca	(	CbmKFTrackInterface &	track,
		Double_t *	vert )

◆ Fit() [1/2]

void BmnKFPrimaryVertexFinder::Fit ( CbmKFVertexInterface & vtx )

Definition at line 420 of file BmnKFPrimaryVertexFinder.cxx.

References ComputeAandB(), CbmKFTube::dz, fMean, fSigma, fTracks, fTrkID, CbmKFVertexInterface::GetCovMatrix(), CbmKFVertexInterface::GetRefChi2(), CbmKFVertexInterface::GetRefNDF(), CbmKFVertexInterface::GetRefNTracks(), CbmKFVertexInterface::GetRefX(), CbmKFVertexInterface::GetRefY(), CbmKFVertexInterface::GetRefZ(), i, CbmKFMath::indexS(), CbmKF::Instance(), TMatrixT< class Element >::Invert(), TMatrixT< Double_t >::kInverted, TMatrixT< Double_t >::kMult, TMatrixT< Double_t >::kTransposeMult, m, TMath::Max(), TMath::Min(), CbmKFTube::RR, TMath::Sqrt(), CbmKF::vTargets, and CbmKFTube::z.

Referenced by Exec().

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◆ Fit() [2/2]

void BmnKFPrimaryVertexFinder::Fit ( CbmKFVertexInterface & vtx )

◆ GetVertex() [1/2]

CbmVertex * BmnKFPrimaryVertexFinder::GetVertex ( ) const

inline

Definition at line 63 of file BmnKFPrimaryVertexFinder.h.

References fPrimVert.

◆ GetVertex() [2/2]

CbmVertex * BmnKFPrimaryVertexFinder::GetVertex ( ) const

inline

Definition at line 63 of file BmnKFPrimaryVertexFinder.h.

References fPrimVert.

◆ Init() [1/2]

InitStatus BmnKFPrimaryVertexFinder::Init ( )

Definition at line 28 of file BmnKFPrimaryVertexFinder.cxx.

References fHist, fHist3, fHistErr, fHistPca, fHistR, fHistw, fHistw3, fHistZ, fHZR, fInputTracks, and fPrimVert.

◆ Init() [2/2]

InitStatus BmnKFPrimaryVertexFinder::Init ( )

◆ SetTrackArray() [1/2]

void BmnKFPrimaryVertexFinder::SetTrackArray ( TClonesArray * trArray )

inline

Definition at line 64 of file BmnKFPrimaryVertexFinder.h.

References fInputTracks.

◆ SetTrackArray() [2/2]

void BmnKFPrimaryVertexFinder::SetTrackArray ( TClonesArray * trArray )

inline

Definition at line 64 of file BmnKFPrimaryVertexFinder.h.

References fInputTracks.

◆ SetTracks() [1/2]

void BmnKFPrimaryVertexFinder::SetTracks ( std::vector< CbmKFTrackInterface * > & vTracks )

◆ SetTracks() [2/2]

void BmnKFPrimaryVertexFinder::SetTracks ( std::vector< CbmKFTrackInterface * > & vTracks )

Member Data Documentation

◆ fHist

TH1D * BmnKFPrimaryVertexFinder::fHist

private

Definition at line 29 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHist3

TH3D * BmnKFPrimaryVertexFinder::fHist3

private

Definition at line 31 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHistErr

TH1D * BmnKFPrimaryVertexFinder::fHistErr

private

Definition at line 29 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHistPca

TH1D * BmnKFPrimaryVertexFinder::fHistPca

private

Definition at line 29 of file BmnKFPrimaryVertexFinder.h.

Referenced by FindPca(), and Init().

◆ fHistR

TH1D * BmnKFPrimaryVertexFinder::fHistR

private

Definition at line 29 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHistw

TH1D * BmnKFPrimaryVertexFinder::fHistw

private

Definition at line 29 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHistw3

TH3D * BmnKFPrimaryVertexFinder::fHistw3

private

Definition at line 31 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHistZ

TH1D * BmnKFPrimaryVertexFinder::fHistZ

private

Definition at line 29 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fHZR

TH2D * BmnKFPrimaryVertexFinder::fHZR

private

Definition at line 30 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), EvalVertex(), and Init().

◆ fInputTracks

TClonesArray * BmnKFPrimaryVertexFinder::fInputTracks

private

Definition at line 27 of file BmnKFPrimaryVertexFinder.h.

Referenced by EvalVertex(), Exec(), Init(), and SetTrackArray().

◆ fMean

Double_t BmnKFPrimaryVertexFinder::fMean

private

Definition at line 33 of file BmnKFPrimaryVertexFinder.h.

Referenced by EvalVertex(), and Fit().

◆ fPrimVert

CbmVertex * BmnKFPrimaryVertexFinder::fPrimVert

private

Definition at line 28 of file BmnKFPrimaryVertexFinder.h.

Referenced by BmnKFPrimaryVertexFinder(), ~BmnKFPrimaryVertexFinder(), EvalVertex(), Exec(), GetVertex(), and Init().

◆ fSigma

Double_t BmnKFPrimaryVertexFinder::fSigma

private

Definition at line 32 of file BmnKFPrimaryVertexFinder.h.

Referenced by EvalVertex(), and Fit().

◆ fTracks

std::vector< CbmKFTrackInterface * > BmnKFPrimaryVertexFinder::fTracks

private

Definition at line 26 of file BmnKFPrimaryVertexFinder.h.

Referenced by BmnKFPrimaryVertexFinder(), AddTrack(), Clear(), EvalVertex(), and Fit().

◆ fTrkID

std::vector< int > BmnKFPrimaryVertexFinder::fTrkID

private

Definition at line 34 of file BmnKFPrimaryVertexFinder.h.

Referenced by Clear(), Exec(), and Fit().

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

install/include/BmnKFPrimaryVertexFinder.h
reconstruction/KF/BmnKFPrimaryVertexFinder.h
reconstruction/KF/BmnKFPrimaryVertexFinder.cxx

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ BmnKFPrimaryVertexFinder() [1/2]

◆ ~BmnKFPrimaryVertexFinder() [1/2]

◆ BmnKFPrimaryVertexFinder() [2/2]

◆ ~BmnKFPrimaryVertexFinder() [2/2]

Member Function Documentation

◆ AddTrack() [1/2]

◆ AddTrack() [2/2]

◆ Clear() [1/2]

◆ Clear() [2/2]

◆ ComputeAandB() [1/2]

◆ ComputeAandB() [2/2]

◆ EvalVertex() [1/2]

◆ EvalVertex() [2/2]

◆ Exec() [1/2]

◆ Exec() [2/2]

◆ FindPca() [1/2]

◆ FindPca() [2/2]

◆ Fit() [1/2]

◆ Fit() [2/2]

◆ GetVertex() [1/2]

◆ GetVertex() [2/2]

◆ Init() [1/2]

◆ Init() [2/2]

◆ SetTrackArray() [1/2]

◆ SetTrackArray() [2/2]

◆ SetTracks() [1/2]

◆ SetTracks() [2/2]

Member Data Documentation

◆ fHist

◆ fHist3

◆ fHistErr

◆ fHistPca

◆ fHistR

◆ fHistw

◆ fHistw3

◆ fHistZ

◆ fHZR

◆ fInputTracks

◆ fMean

◆ fPrimVert

◆ fSigma

◆ fTracks

◆ fTrkID