#include <CbmStsKFTrackFitter.h>

Inheritance diagram for CbmStsKFTrackFitter:

Collaboration diagram for CbmStsKFTrackFitter:

Public Member Functions
	CbmStsKFTrackFitter (Bool_t CheckTrigSi=false)

	~CbmStsKFTrackFitter ()

void	Init ()

Int_t	DoFit (CbmStsTrack *track, Int_t pidHypo=211)

void	Extrapolate (CbmStsTrack track, Double_t z, FairTrackParam e_track)

void	Extrapolate (FairTrackParam trackPar, Double_t z, FairTrackParam e_track)

Double_t	GetChiToVertex (CbmStsTrack track, CbmVertex vtx=0)

Double_t	FitToVertex (CbmStsTrack track, CbmVertex vtx, FairTrackParam *v_track)

void	SetKFHits (CbmKFTrack &T, CbmStsTrack *track)

	ClassDef (CbmStsKFTrackFitter, 2)

	CbmStsKFTrackFitter (Bool_t CheckTrigSi=false)

	~CbmStsKFTrackFitter ()

void	Init ()

Int_t	DoFit (CbmStsTrack *track, Int_t pidHypo=211)

void	Extrapolate (CbmStsTrack track, Double_t z, FairTrackParam e_track)

void	Extrapolate (FairTrackParam trackPar, Double_t z, FairTrackParam e_track)

Double_t	GetChiToVertex (CbmStsTrack track, CbmVertex vtx=0)

Double_t	FitToVertex (CbmStsTrack track, CbmVertex vtx, FairTrackParam *v_track)

void	SetKFHits (CbmKFTrack &T, CbmStsTrack *track)

	ClassDef (CbmStsKFTrackFitter, 2)

Public Member Functions inherited from CbmStsTrackFitter
	CbmStsTrackFitter ()

virtual	~CbmStsTrackFitter ()

	CbmStsTrackFitter ()

virtual	~CbmStsTrackFitter ()

Public Attributes
Bool_t	bkg =false

Detailed Description

Definition at line 13 of file CbmStsKFTrackFitter.h.

Constructor & Destructor Documentation

◆ CbmStsKFTrackFitter() [1/2]

CbmStsKFTrackFitter::CbmStsKFTrackFitter ( Bool_t CheckTrigSi = false )

Default constructor

Definition at line 22 of file CbmStsKFTrackFitter.cxx.

◆ ~CbmStsKFTrackFitter() [1/2]

CbmStsKFTrackFitter::~CbmStsKFTrackFitter ( )

inline

Destructor

Definition at line 23 of file CbmStsKFTrackFitter.h.

◆ CbmStsKFTrackFitter() [2/2]

CbmStsKFTrackFitter::CbmStsKFTrackFitter ( Bool_t CheckTrigSi = false )

Default constructor

◆ ~CbmStsKFTrackFitter() [2/2]

CbmStsKFTrackFitter::~CbmStsKFTrackFitter ( )

inline

Destructor

Definition at line 23 of file CbmStsKFTrackFitter.h.

Member Function Documentation

◆ ClassDef() [1/2]

CbmStsKFTrackFitter::ClassDef	(	CbmStsKFTrackFitter	,
		2
	)

◆ ClassDef() [2/2]

CbmStsKFTrackFitter::ClassDef	(	CbmStsKFTrackFitter	,
		2
	)

◆ DoFit() [1/2]

Int_t CbmStsKFTrackFitter::DoFit	(	CbmStsTrack *	track,
		Int_t	pidHypo = `211`
	)

virtual

Fit given track using Kalman Filter algorithm

Implements CbmStsTrackFitter.

Definition at line 92 of file CbmStsKFTrackFitter.cxx.

References CbmKFTrackInterface::Fit(), CbmKFTrack::GetCovMatrix(), CbmStsTrack::GetParamLast(), CbmKFTrack::GetRefChi2(), CbmKFTrack::GetRefNDF(), CbmKFTrack::GetStsTrack(), CbmKFTrack::GetTrack(), CbmKFTrack::GetTrackParam(), i, CbmStsTrack::SetFlag(), SetKFHits(), CbmKFTrack::SetPID(), and CbmStsTrack::SetPidHypo().

Referenced by CbmL1SttTrackFinder::Exec(), and CbmStsFitPerformanceTask::Exec().

◆ DoFit() [2/2]

Int_t CbmStsKFTrackFitter::DoFit	(	CbmStsTrack *	track,
		Int_t	pidHypo = `211`
	)

virtual

Fit given track using Kalman Filter algorithm

Implements CbmStsTrackFitter.

◆ Extrapolate() [1/4]

void CbmStsKFTrackFitter::Extrapolate	(	CbmStsTrack *	track,
		Double_t	z,
		FairTrackParam *	e_track
	)

virtual

Extrapolate track to any Z position

Parameters

track	already fitted STS track
z	new z-position
e_track	(return value) extrapolated track parameters

Implements CbmStsTrackFitter.

Definition at line 140 of file CbmStsKFTrackFitter.cxx.

References CbmKFTrackInterface::Extrapolate(), CbmStsTrack::GetParamFirst(), CbmStsTrack::GetParamLast(), CbmStsTrack::GetPidHypo(), CbmKFTrack::GetTrackParam(), CbmKFTrackInterface::Propagate(), SetKFHits(), CbmKFTrack::SetPID(), CbmKFTrack::SetTrackParam(), and CbmKFTrackInterface::Smooth().

Referenced by CbmStsFitPerformanceTask::Exec(), and CbmStsFitPerformanceTask::FillTrackHisto().

◆ Extrapolate() [2/4]

void CbmStsKFTrackFitter::Extrapolate	(	CbmStsTrack *	track,
		Double_t	z,
		FairTrackParam *	e_track
	)

virtual

Extrapolate track to any Z position

Parameters

track	already fitted STS track
z	new z-position
e_track	(return value) extrapolated track parameters

Implements CbmStsTrackFitter.

◆ Extrapolate() [3/4]

void CbmStsKFTrackFitter::Extrapolate	(	FairTrackParam *	trackPar,
		Double_t	z,
		FairTrackParam *	e_track
	)

Extrapolate track param. to any Z position

Parameters

track	already fitted STS track
z	new z-position
e_track	(return value) extrapolated track parameters

Definition at line 130 of file CbmStsKFTrackFitter.cxx.

References CbmKFTrackInterface::Extrapolate(), CbmKFTrack::GetTrackParam(), and CbmKFTrack::SetTrackParam().

◆ Extrapolate() [4/4]

void CbmStsKFTrackFitter::Extrapolate	(	FairTrackParam *	trackPar,
		Double_t	z,
		FairTrackParam *	e_track
	)

Extrapolate track param. to any Z position

Parameters

track	already fitted STS track
z	new z-position
e_track	(return value) extrapolated track parameters

◆ FitToVertex() [1/2]

Double_t CbmStsKFTrackFitter::FitToVertex	(	CbmStsTrack *	track,
		CbmVertex *	vtx,
		FairTrackParam *	v_track
	)

Fit track to a vertex

Parameters

track	already fitted STS track
vtx	vertex
v_track	(return value) fitted track parameters
retrun	sqrt(Chi^2/NDF)

Definition at line 190 of file CbmStsKFTrackFitter.cxx.

References CbmKFTrackInterface::Fit2Vertex(), CbmKFTrack::GetRefChi2(), CbmKFTrack::GetRefNDF(), CbmKFTrack::GetTrackParam(), and sqrt().

Referenced by CbmStsFitPerformanceTask::Exec().

◆ FitToVertex() [2/2]

Double_t CbmStsKFTrackFitter::FitToVertex	(	CbmStsTrack *	track,
		CbmVertex *	vtx,
		FairTrackParam *	v_track
	)

Fit track to a vertex

Parameters

track	already fitted STS track
vtx	vertex
v_track	(return value) fitted track parameters
retrun	sqrt(Chi^2/NDF)

◆ GetChiToVertex() [1/2]

Double_t CbmStsKFTrackFitter::GetChiToVertex	(	CbmStsTrack *	track,
		CbmVertex *	vtx = `0`
	)

Get normalized (in sigma's) impact parameter form vertex vtx if no vtx given, return deviation from primary vertex

Definition at line 167 of file CbmStsKFTrackFitter.cxx.

References CbmVertex::CovMatrix(), CbmKFTrackInterface::Extrapolate(), CbmKFTrack::GetCovMatrix(), CbmKFMath::getDeviation(), CbmKFTrack::GetTrack(), CbmVertex::GetX(), CbmVertex::GetY(), CbmVertex::GetZ(), and CbmKFTrack::SetStsTrack().

◆ GetChiToVertex() [2/2]

Double_t CbmStsKFTrackFitter::GetChiToVertex	(	CbmStsTrack *	track,
		CbmVertex *	vtx = `0`
	)

Get normalized (in sigma's) impact parameter form vertex vtx if no vtx given, return deviation from primary vertex

◆ Init() [1/2]

void CbmStsKFTrackFitter::Init ( )

virtual

Initialisation

Reimplemented from CbmStsTrackFitter.

Definition at line 30 of file CbmStsKFTrackFitter.cxx.

Referenced by CbmL1SttTrackFinder::ReInit(), CbmStsFitPerformanceTask::ReInit(), and SetKFHits().

◆ Init() [2/2]

void CbmStsKFTrackFitter::Init ( )

virtual

Initialisation

Reimplemented from CbmStsTrackFitter.

◆ SetKFHits() [1/2]

void CbmStsKFTrackFitter::SetKFHits	(	CbmKFTrack &	T,
		CbmStsTrack *	track
	)

Definition at line 63 of file CbmStsKFTrackFitter.cxx.

References bkg, CbmKFTrack::fHits, CbmStsTrack::GetMvdHitIndex(), CbmStsTrack::GetNMvdHits(), CbmStsTrack::GetNStsHits(), CbmStsTrack::GetStsHitArr(), CbmStsTrack::GetStsHitIndex(), i, and Init().

Referenced by DoFit(), and Extrapolate().

◆ SetKFHits() [2/2]

void CbmStsKFTrackFitter::SetKFHits	(	CbmKFTrack &	T,
		CbmStsTrack *	track
	)

Member Data Documentation

◆ bkg

Bool_t CbmStsKFTrackFitter::bkg =false

Definition at line 79 of file CbmStsKFTrackFitter.h.

Referenced by SetKFHits().

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

install/include/CbmStsKFTrackFitter.h
reconstruction/KF/Interface/CbmStsKFTrackFitter.h
reconstruction/KF/Interface/CbmStsKFTrackFitter.cxx

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CbmStsKFTrackFitter() [1/2]

◆ ~CbmStsKFTrackFitter() [1/2]

◆ CbmStsKFTrackFitter() [2/2]

◆ ~CbmStsKFTrackFitter() [2/2]

Member Function Documentation

◆ ClassDef() [1/2]

◆ ClassDef() [2/2]

◆ DoFit() [1/2]

◆ DoFit() [2/2]

◆ Extrapolate() [1/4]

◆ Extrapolate() [2/4]

◆ Extrapolate() [3/4]

◆ Extrapolate() [4/4]

◆ FitToVertex() [1/2]

◆ FitToVertex() [2/2]

◆ GetChiToVertex() [1/2]

◆ GetChiToVertex() [2/2]

◆ Init() [1/2]

◆ Init() [2/2]

◆ SetKFHits() [1/2]

◆ SetKFHits() [2/2]

Member Data Documentation

◆ bkg