CbmRichRingFitterEllipseMinuit Class Reference

This is the implementation of ellipse fitting using MINUIT. More...

#include <EicRoot/blob/master/rich/fitter/CbmRichRingFitterEllipseMinuit.h>

Inheritance diagram for CbmRichRingFitterEllipseMinuit:

Collaboration diagram for CbmRichRingFitterEllipseMinuit:

Public Member Functions
	CbmRichRingFitterEllipseMinuit ()
	Default constructor.
virtual	~CbmRichRingFitterEllipseMinuit ()
	Standard destructor.
virtual void	DoFit (CbmRichRingLight *ring)
	Inherited from CbmRichRingFitterBase.
Public Member Functions inherited from CbmRichRingFitterEllipseBase
	CbmRichRingFitterEllipseBase ()
	Default constructor.
virtual	~CbmRichRingFitterEllipseBase ()
	Destructor.
Public Member Functions inherited from CbmRichRingFitterBase
	CbmRichRingFitterBase ()
	Default constructor.
virtual	~CbmRichRingFitterBase ()
	Destructor.

Private Member Functions
vector< double >	DoFit (const vector< double > &x, const vector< double > &y)
	Execute ring fitting algorithm.
void	TransformToRichRing (CbmRichRingLight *ring, const vector< double > &par)
	Transform obtained parameters from MINUIT to CbmRichRingLight.

Additional Inherited Members
Protected Member Functions inherited from CbmRichRingFitterEllipseBase
virtual void	CalcChi2 (CbmRichRingLight *ring)
	Calculate chi2 of the ellipse fit.
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.
Static Protected Attributes inherited from CbmRichRingFitterBase
static const int	MAX_NOF_HITS_IN_RING = 400

Detailed Description

This is the implementation of ellipse fitting using MINUIT.

Author

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

Date

2011

Definition at line 107 of file CbmRichRingFitterEllipseMinuit.h.

View newest version in sPHENIX GitHub at line 107 of file CbmRichRingFitterEllipseMinuit.h

Constructor & Destructor Documentation

CbmRichRingFitterEllipseMinuit::CbmRichRingFitterEllipseMinuit

(

)

Default constructor.

Definition at line 13 of file CbmRichRingFitterEllipseMinuit.cxx.

View newest version in sPHENIX GitHub at line 13 of file CbmRichRingFitterEllipseMinuit.cxx

CbmRichRingFitterEllipseMinuit::~CbmRichRingFitterEllipseMinuit ( )

virtual

Standard destructor.

Definition at line 18 of file CbmRichRingFitterEllipseMinuit.cxx.

View newest version in sPHENIX GitHub at line 18 of file CbmRichRingFitterEllipseMinuit.cxx

Member Function Documentation

void CbmRichRingFitterEllipseMinuit::DoFit ( CbmRichRingLight *  ring )

virtual

Inherited from CbmRichRingFitterBase.

Implements CbmRichRingFitterBase.

Definition at line 23 of file CbmRichRingFitterEllipseMinuit.cxx.

View newest version in sPHENIX GitHub at line 23 of file CbmRichRingFitterEllipseMinuit.cxx

References CbmRichRingFitterEllipseBase::CalcChi2(), CbmRichHitLight::fX, CbmRichHitLight::fY, CbmRichRingLight::GetHit(), CbmRichRingLight::GetNofHits(), CbmRichRingLight::SetRadius(), CbmRichRingLight::SetXYABP(), and TransformToRichRing().

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vector< double > CbmRichRingFitterEllipseMinuit::DoFit ( const vector< double > &  x, const vector< double > &  y  )

private

Execute ring fitting algorithm.

Parameters

[in]	x	X coordinates of hits.
[in]	y	Y coordinates of hit.

Returns

Vector of fitted parameters.

Definition at line 87 of file CbmRichRingFitterEllipseMinuit.cxx.

View newest version in sPHENIX GitHub at line 87 of file CbmRichRingFitterEllipseMinuit.cxx

void CbmRichRingFitterEllipseMinuit::TransformToRichRing ( CbmRichRingLight *  ring, const vector< double > &  par  )

private

Transform obtained parameters from MINUIT to CbmRichRingLight.

Parameters

[out]	ring	Pointer to the RICH ring.
[in]	par	Parameters obtained from MINUIT.

Definition at line 50 of file CbmRichRingFitterEllipseMinuit.cxx.

View newest version in sPHENIX GitHub at line 50 of file CbmRichRingFitterEllipseMinuit.cxx

References c, k, CbmRichRingLight::SetRadius(), and CbmRichRingLight::SetXYABP().

Referenced by DoFit().

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

• EicRoot/blob/master/rich/fitter/CbmRichRingFitterEllipseMinuit.h
• EicRoot/blob/master/rich/fitter/CbmRichRingFitterEllipseMinuit.cxx