CbmRichRingFitterEllipseBase Class Reference

Base class for concrete ellipse fitting algorithms. Each derived class must implement the method DoFit. More...

#include <CbmRichRingFitterEllipseBase.h>

Inheritance diagram for CbmRichRingFitterEllipseBase:

Collaboration diagram for CbmRichRingFitterEllipseBase:

Public Member Functions
	CbmRichRingFitterEllipseBase ()
	Default constructor. More...
virtual	~CbmRichRingFitterEllipseBase ()
	Destructor. More...
virtual void	DoFit (CbmRichRingLight *ring)=0
	Abstract method DoFit. To be implemented in the concrete class. Perform a fit to the hits attached to the ring by a ring finder. Fill the ring parameters member variables. More...

Protected Member Functions
virtual void	CalcChi2 (CbmRichRingLight *ring)
	Calculate chi2 of the ellipse fit. More...
virtual void	CalcChi2 (double A, double B, double C, double D, double E, double F, CbmRichRingLight *ring)
	Calculate chi2 of the ellipse fitting using parameters of 2D curve. More...

Static Protected Attributes
static const int	MAX_NOF_HITS_IN_RING

Detailed Description

Base class for concrete ellipse fitting algorithms. Each derived class must implement the method DoFit.

Author

Semen Lebedev s.leb.nosp@m.edev.nosp@m.@gsi..nosp@m.de

Date

2011

Definition at line 25 of file CbmRichRingFitterEllipseBase.h.

Constructor & Destructor Documentation

CbmRichRingFitterEllipseBase()

CbmRichRingFitterEllipseBase::CbmRichRingFitterEllipseBase ( )

inline

Default constructor.

Definition at line 30 of file CbmRichRingFitterEllipseBase.h.

~CbmRichRingFitterEllipseBase()

virtual CbmRichRingFitterEllipseBase::~CbmRichRingFitterEllipseBase ( )

inlinevirtual

Destructor.

Definition at line 35 of file CbmRichRingFitterEllipseBase.h.

Member Function Documentation

CalcChi2() [1/2]

virtual void CbmRichRingFitterEllipseBase::CalcChi2 ( CbmRichRingLight *  ring )

inlineprotectedvirtual

Calculate chi2 of the ellipse fit.

Parameters

[in,out]

ring

Fitted RICH ring with ellipse fitter.

Reimplemented from CbmRichRingFitterBase.

Definition at line 42 of file CbmRichRingFitterEllipseBase.h.

References CbmRichHitLight::fX, CbmRichHitLight::fY, CbmRichRingLight::GetAaxis(), CbmRichRingLight::GetBaxis(), CbmRichRingLight::GetHit(), CbmRichRingLight::GetNofHits(), CbmRichRingLight::GetXF1(), CbmRichRingLight::GetXF2(), CbmRichRingLight::GetYF1(), CbmRichRingLight::GetYF2(), CbmRichRingLight::SetChi2(), sqrt(), x, and y.

Referenced by CbmRichRingFitterEllipseTau::DoFit(), CbmRichRingFitterEllipseMinuit::DoFit(), and CbmRichRingFitterEllipseTau::TransformEllipse().

CalcChi2() [2/2]

virtual void CbmRichRingFitterEllipseBase::CalcChi2 ( double  A, double  B, double  C, double  D, double  E, double  F, CbmRichRingLight *  ring  )

inlineprotectedvirtual

Calculate chi2 of the ellipse fitting using parameters of 2D curve.

Parameters

[in]	A	A parameter of curve.
[in]	B	B parameter of curve.
[in]	C	C parameter of curve.
[in]	D	D parameter of curve.
[in]	E	E parameter of curve.
[in]	F	F parameter of curve.
[in]	ring	Fitted RICH ring with ellipse fitter.

Definition at line 87 of file CbmRichRingFitterEllipseBase.h.

References fabs(), CbmRichHitLight::fX, CbmRichHitLight::fY, CbmRichRingLight::GetHit(), CbmRichRingLight::GetNofHits(), CbmRichRingLight::SetChi2(), sqrt(), x, and y.

DoFit()

virtual void CbmRichRingFitterBase::DoFit ( CbmRichRingLight *  ring )

pure virtualinherited

Abstract method DoFit. To be implemented in the concrete class. Perform a fit to the hits attached to the ring by a ring finder. Fill the ring parameters member variables.

Parameters

[in,out]

ring

Pointer to CbmRichRingLight

Implemented in CbmRichRingFitterEllipseMinuit, CbmRichRingFitterEllipseTau, CbmRichRingFitterCOP, CbmRichRingFitterCircle, CbmRichRingFitterTAU, and CbmRichRingFitterRobustCOP.

Referenced by CbmRichReconstruction::RunFitter().

Member Data Documentation

MAX_NOF_HITS_IN_RING

const int CbmRichRingFitterBase::MAX_NOF_HITS_IN_RING

staticprotectedinherited

Initial value:

=
    400

Definition at line 70 of file CbmRichRingFitterBase.h.

Referenced by CbmRichRingFitterEllipseTau::DoFit().

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

• CbmRichRingFitterEllipseBase.h