#include <CbmStsKFTrackFitter.h>

Inheritance diagram for CbmStsKFTrackFitter:

Collaboration diagram for CbmStsKFTrackFitter:

Public Member Functions
	CbmStsKFTrackFitter ()

	~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)

	ClassDef (CbmStsKFTrackFitter, 1)

Private Member Functions
void	SetKFHits (CbmKFTrack &T, CbmStsTrack *track)

Bool_t	CheckTrack (CbmKFTrack &T)

	CbmStsKFTrackFitter (const CbmStsKFTrackFitter &)

void	operator= (const CbmStsKFTrackFitter &)

Private Attributes
std::vector< CbmKFStsHit >	fHits

TClonesArray *	fMvdHitsArray

TClonesArray *	fStsHitsArray

Bool_t	fIsInitialised

Detailed Description

Definition at line 14 of file CbmStsKFTrackFitter.h.

Constructor & Destructor Documentation

◆ CbmStsKFTrackFitter() [1/2]

CbmStsKFTrackFitter::CbmStsKFTrackFitter ( )

Default constructor

Definition at line 26 of file CbmStsKFTrackFitter.cxx.

◆ ~CbmStsKFTrackFitter()

CbmStsKFTrackFitter::~CbmStsKFTrackFitter ( )

inline

Destructor

Definition at line 23 of file CbmStsKFTrackFitter.h.

◆ CbmStsKFTrackFitter() [2/2]

CbmStsKFTrackFitter::CbmStsKFTrackFitter ( const CbmStsKFTrackFitter & )

private

Member Function Documentation

◆ CheckTrack()

Bool_t CbmStsKFTrackFitter::CheckTrack ( CbmKFTrack & T )

private

Definition at line 216 of file CbmStsKFTrackFitter.cxx.

References finite(), CbmKFTrack::GetCovMatrix(), CbmKFTrack::GetMass(), CbmKFTrack::GetRefChi2(), CbmKFTrack::GetRefNDF(), CbmKFTrack::GetTrack(), and i.

Referenced by DoFit().

◆ ClassDef()

CbmStsKFTrackFitter::ClassDef	(	CbmStsKFTrackFitter	,
		1
	)

◆ DoFit()

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

virtual

Fit given track using Kalman Filter algorithm

Implements CbmStsTrackFitter.

Definition at line 79 of file CbmStsKFTrackFitter.cxx.

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

Referenced by LxFinderTriplet::CalcInvMass(), LxFinder::CalcInvMass(), LxFinderTriplet::Exec(), CbmL1MuchFinder::Exec(), CbmL1MuchFinderQa::Exec(), CbmL1SttTrackFinder::Exec(), CbmStsFitPerformanceTask::Exec(), LxFinder::Exec(), and CbmLitFitQa::ProcessTrackParamsAtVertex().

◆ Extrapolate() [1/2]

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 134 of file CbmStsKFTrackFitter.cxx.

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

Referenced by LxFinderTriplet::CalcInvMass(), LxFinder::CalcInvMass(), CbmRichTrackExtrapolationKF::DoExtrapolation(), CbmEcalTrackingMuch::Exec(), LxFinderTriplet::Exec(), CbmAnaDimuonAnalysis::Exec(), CbmStsFitPerformanceTask::Exec(), LxFinder::Exec(), and CbmStsFitPerformanceTask::FillTrackHisto().

◆ Extrapolate() [2/2]

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 123 of file CbmStsKFTrackFitter.cxx.

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

◆ FitToVertex()

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 200 of file CbmStsKFTrackFitter.cxx.

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

Referenced by CbmKresFunctions::ChiToVertex(), CbmStsFitPerformanceTask::Exec(), CbmHadronAnalysis::ExecEvent(), CbmKresFunctions::FitToVertex(), CbmKresFunctions::FitToVertexAndGetChi(), and CbmLitFitQa::ProcessTrackParamsAtVertex().

◆ GetChiToVertex()

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 164 of file CbmStsKFTrackFitter.cxx.

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

Referenced by LxFinderTriplet::CalcInvMass(), LxFinder::CalcInvMass(), CbmKresFunctions::ChiToVertex(), LxFinderTriplet::Exec(), CbmAnaDimuonAnalysis::Exec(), LxFinder::Exec(), CbmHadronAnalysis::ExecEvent(), CbmKresFunctions::FitToVertexAndGetChi(), and CbmLitFitQa::ProcessTrackParamsAtVertex().

◆ Init()

void CbmStsKFTrackFitter::Init ( )

virtual

Initialisation

Reimplemented from CbmStsTrackFitter.

Definition at line 29 of file CbmStsKFTrackFitter.cxx.

References fIsInitialised, fMvdHitsArray, fStsHitsArray, and rootMgr.

Referenced by CbmAnaDimuonAnalysis::Init(), CbmLitTofQa::Init(), CbmLitFitQa::Init(), CbmAnaDielectronTask::Init(), CbmHadronAnalysis::Init(), CbmL1MuchFinder::ReInit(), CbmL1MuchFinderQa::ReInit(), CbmL1SttTrackFinder::ReInit(), CbmStsFitPerformanceTask::ReInit(), and SetKFHits().

◆ operator=()

void CbmStsKFTrackFitter::operator= ( const CbmStsKFTrackFitter & )

private

◆ SetKFHits()

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

private

Definition at line 52 of file CbmStsKFTrackFitter.cxx.

References CbmKFTrack::fHits, fHits, fIsInitialised, fMvdHitsArray, fStsHitsArray, CbmTrack::GetHitIndex(), CbmStsTrack::GetMvdHitIndex(), CbmStsTrack::GetNofHits(), CbmStsTrack::GetNofMvdHits(), i, and Init().

Referenced by DoFit(), and Extrapolate().

Member Data Documentation

◆ fHits

std::vector<CbmKFStsHit> CbmStsKFTrackFitter::fHits

private

Definition at line 70 of file CbmStsKFTrackFitter.h.

Referenced by SetKFHits().

◆ fIsInitialised

Bool_t CbmStsKFTrackFitter::fIsInitialised

private

Definition at line 75 of file CbmStsKFTrackFitter.h.

Referenced by Init(), and SetKFHits().

◆ fMvdHitsArray

TClonesArray* CbmStsKFTrackFitter::fMvdHitsArray

private

Definition at line 72 of file CbmStsKFTrackFitter.h.

Referenced by Init(), and SetKFHits().

◆ fStsHitsArray

TClonesArray* CbmStsKFTrackFitter::fStsHitsArray

private

Definition at line 73 of file CbmStsKFTrackFitter.h.

Referenced by Init(), and SetKFHits().

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CbmStsKFTrackFitter() [1/2]

◆ ~CbmStsKFTrackFitter()

◆ CbmStsKFTrackFitter() [2/2]

Member Function Documentation

◆ CheckTrack()

◆ ClassDef()

◆ DoFit()

◆ Extrapolate() [1/2]

◆ Extrapolate() [2/2]

◆ FitToVertex()

◆ GetChiToVertex()

◆ Init()

◆ operator=()

◆ SetKFHits()

Member Data Documentation

◆ fHits

◆ fIsInitialised

◆ fMvdHitsArray

◆ fStsHitsArray