CbmHelix Class Reference

#include <CbmHelix.h>

Inheritance diagram for CbmHelix:

Collaboration diagram for CbmHelix:

Public Member Functions
	CbmHelix ()
	CbmHelix (const CbmHelix &other)
CbmHelix &	operator= (const CbmHelix &other)
void	Build (const FairTrackParam *params)
void	Build (const CbmGlobalTrack *tr)
void	Build (const CbmStsTrack *tr, Bool_t first)
void	PrintInfo () const
Double_t *	GetTrack ()
Double_t *	GetCovMatrix ()
TVector3	Eval (Double_t z)
TVector3	Eval (Double_t z, TVector3 &mom)
virtual	~CbmHelix ()

Static Public Member Functions
static void	SetField (FairField *field)

Protected Member Functions
Double_t	Qp () const
void	SetQp (Double_t qp)
Double_t	X () const
Double_t	Y () const
Double_t	Z () const
Double_t	Tx () const
Double_t	Ty () const
Int_t	indexS (Int_t i, Int_t j)
void	multQtSQ (const Int_t N, Double_t Q[])
void	ExtrapolateLine (Double_t z_out)
Int_t	ExtrapolateRK4 (Double_t z_out)
Int_t	ExtrapolateALight (Double_t z_out)
Int_t	Propagate (Double_t Z)
void	SetParameters (const FairTrackParam *param)

Protected Attributes
Double_t	fT [6]
Double_t	fC [15]

Static Protected Attributes
static FairField *	fgField = NULL

Detailed Description

Definition at line 23 of file CbmHelix.h.

Constructor & Destructor Documentation

CbmHelix() [1/2]

CbmHelix::CbmHelix

(

)

Definition at line 14 of file CbmHelix.cxx.

CbmHelix() [2/2]

CbmHelix::CbmHelix

(

const CbmHelix &

other

)

Definition at line 60 of file CbmHelix.cxx.

References fC, fT, and i.

~CbmHelix()

CbmHelix::~CbmHelix ( )

virtual

Definition at line 56 of file CbmHelix.cxx.

Member Function Documentation

Build() [1/3]

void CbmHelix::Build

(

const CbmGlobalTrack *

tr

)

Definition at line 16 of file CbmHelix.cxx.

References CbmGlobalTrack::GetParamVertex(), and SetParameters().

Build() [2/3]

void CbmHelix::Build	(	const CbmStsTrack *	tr,
		Bool_t	first
	)

Definition at line 21 of file CbmHelix.cxx.

References CbmTrack::GetParamFirst(), CbmTrack::GetParamLast(), and SetParameters().

Build() [3/3]

void CbmHelix::Build ( const FairTrackParam *  params )

inline

Definition at line 49 of file CbmHelix.h.

References SetParameters().

Referenced by NicaCbmGlobalTrack::Update().

Eval() [1/2]

TVector3 CbmHelix::Eval

(

Double_t

z

)

Definition at line 29 of file CbmHelix.cxx.

References GetTrack(), and Propagate().

Eval() [2/2]

TVector3 CbmHelix::Eval	(	Double_t	z,
		TVector3 &	mom
	)

Definition at line 34 of file CbmHelix.cxx.

References GetTrack(), Propagate(), Qp(), Tx(), and Ty().

ExtrapolateALight()

Int_t CbmHelix::ExtrapolateALight ( Double_t  z_out )

protected

Definition at line 362 of file CbmHelix.cxx.

References NS_L1TrackFitter::c_light, fC, fgField, fT, i, m, multQtSQ(), Qp(), sqrt(), x, and y.

Referenced by Propagate().

ExtrapolateLine()

void CbmHelix::ExtrapolateLine ( Double_t  z_out )

protected

Definition at line 118 of file CbmHelix.cxx.

References fC, and fT.

Referenced by Propagate().

ExtrapolateRK4()

Int_t CbmHelix::ExtrapolateRK4 ( Double_t  z_out )

protected

Definition at line 142 of file CbmHelix.cxx.

References NS_L1TrackFitter::c_light, fgField, fT, i, multQtSQ(), Qp(), sqrt(), and x.

Referenced by Propagate().

GetCovMatrix()

Double_t* CbmHelix::GetCovMatrix ( )

inline

Definition at line 63 of file CbmHelix.h.

References fC.

GetTrack()

Double_t* CbmHelix::GetTrack ( )

inline

Definition at line 62 of file CbmHelix.h.

References fT.

Referenced by Eval().

indexS()

Int_t CbmHelix::indexS ( Int_t  i, Int_t  j  )

inlineprotected

Definition at line 34 of file CbmHelix.h.

References i.

Referenced by multQtSQ().

multQtSQ()

void CbmHelix::multQtSQ ( const Int_t  N, Double_t  Q[]  )

protected

Definition at line 610 of file CbmHelix.cxx.

References fC, i, and indexS().

Referenced by ExtrapolateALight(), and ExtrapolateRK4().

operator=()

CbmHelix & CbmHelix::operator=

(

const CbmHelix &

other

)

Definition at line 67 of file CbmHelix.cxx.

References fC, fT, and i.

PrintInfo()

void CbmHelix::PrintInfo ( ) const

inline

Definition at line 52 of file CbmHelix.h.

References fT.

Propagate()

Int_t CbmHelix::Propagate ( Double_t  Z )

protected

Definition at line 76 of file CbmHelix.cxx.

References ExtrapolateALight(), ExtrapolateLine(), ExtrapolateRK4(), fabs(), fgField, and fT.

Referenced by Eval().

Qp()

Double_t CbmHelix::Qp ( ) const

inlineprotected

Definition at line 26 of file CbmHelix.h.

References fT.

Referenced by Eval(), ExtrapolateALight(), and ExtrapolateRK4().

SetField()

static void CbmHelix::SetField ( FairField *  field )

inlinestatic

Definition at line 46 of file CbmHelix.h.

References fgField.

Referenced by NicaCbmFirstTask::Init().

SetParameters()

void CbmHelix::SetParameters ( const FairTrackParam *  param )

protected

Definition at line 44 of file CbmHelix.cxx.

References fC, fT, and i.

Referenced by Build().

SetQp()

void CbmHelix::SetQp ( Double_t  qp )

inlineprotected

Definition at line 27 of file CbmHelix.h.

References fT.

Tx()

Double_t CbmHelix::Tx ( ) const

inlineprotected

Definition at line 31 of file CbmHelix.h.

References fT.

Referenced by Eval().

Ty()

Double_t CbmHelix::Ty ( ) const

inlineprotected

Definition at line 32 of file CbmHelix.h.

References fT.

Referenced by Eval().

X()

Double_t CbmHelix::X ( ) const

inlineprotected

Definition at line 28 of file CbmHelix.h.

References fT.

Y()

Double_t CbmHelix::Y ( ) const

inlineprotected

Definition at line 29 of file CbmHelix.h.

References fT.

Z()

Double_t CbmHelix::Z ( ) const

inlineprotected

Definition at line 30 of file CbmHelix.h.

References fT.

Member Data Documentation

fC

Double_t CbmHelix::fC[15]

protected

Definition at line 25 of file CbmHelix.h.

Referenced by CbmHelix(), ExtrapolateALight(), ExtrapolateLine(), GetCovMatrix(), multQtSQ(), operator=(), and SetParameters().

fgField

FairField * CbmHelix::fgField = NULL

staticprotected

Definition at line 33 of file CbmHelix.h.

Referenced by ExtrapolateALight(), ExtrapolateRK4(), Propagate(), and SetField().

fT

Double_t CbmHelix::fT[6]

protected

Definition at line 25 of file CbmHelix.h.

Referenced by CbmHelix(), ExtrapolateALight(), ExtrapolateLine(), ExtrapolateRK4(), GetTrack(), operator=(), PrintInfo(), Propagate(), Qp(), SetParameters(), SetQp(), Tx(), Ty(), X(), Y(), and Z().

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

• CbmHelix.h
• CbmHelix.cxx