Public Member Functions | Protected Member Functions | Static Protected Attributes | Private Member Functions | Private Attributes

CbmRichRingFitterEllipseTau Class Reference

Here the ring is fitted with Taubin algorithm from A. Ayriyan, G. Ososkov, N. Chernov. More...

#include <CbmRichRingFitterEllipseTau.h>

Inheritance diagram for CbmRichRingFitterEllipseTau:
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Collaboration diagram for CbmRichRingFitterEllipseTau:
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Public Member Functions

 CbmRichRingFitterEllipseTau ()
 Default constructor.
virtual ~CbmRichRingFitterEllipseTau ()
 Destructor.
virtual void DoFit (CbmRichRingLight *ring)
 Inherited from CbmRichRingFitterBase.
 CbmRichRingFitterEllipseTau ()
 Default constructor.
virtual ~CbmRichRingFitterEllipseTau ()
 Destructor.
virtual void DoFit (CbmRichRingLight *ring)
 Inherited from CbmRichRingFitterBase.

Protected Member Functions

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.
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

static const int MAX_NOF_HITS_IN_RING = 400

Private Member Functions

void TransformEllipse (CbmRichRingLight *ring)
 Transform fitted curve to ellipse parameters.
void InitMatrices (CbmRichRingLight *ring)
 Initialize all matrices.
void Taubin ()
 Perform Taubin method.
void Inv5x5 ()
 Invert 5x5 matrix.
void AMultB (const double *const ap, int na, int ncolsa, const double *const bp, int nb, int ncolsb, double *cp)
 Matrices multiplication.
void Jacobi (double a[5][5], double d[5], double v[5][5])
 Jacobi method.
void Eigsrt (double d[5], double v[5][5])
 Find eigenvalues.
void TransformEllipse (CbmRichRingLight *ring)
 Transform fitted curve to ellipse parameters.
void InitMatrices (CbmRichRingLight *ring)
 Initialize all matrices.
void Taubin ()
 Perform Taubin method.
void Inv5x5 ()
 Invert 5x5 matrix.
void AMultB (const double *const ap, int na, int ncolsa, const double *const bp, int nb, int ncolsb, double *cp)
 Matrices multiplication.
void Jacobi (double a[5][5], double d[5], double v[5][5])
 Jacobi method.
void Eigsrt (double d[5], double v[5][5])
 Find eigenvalues.

Private Attributes

double fM [36]
double fP [25]
double fQ [25]
double fZ [MAX_NOF_HITS_IN_RING *6]
double fZT [MAX_NOF_HITS_IN_RING *6]
double fAlgPar [6]

Detailed Description

Here the ring is fitted with Taubin algorithm from A. Ayriyan, G. Ososkov, N. Chernov.

Author:
Alexander Ayriyan and Semen Lebedev <s.lebedev@gsi.de>
Date:
2011

Definition at line 35 of file CbmRichRingFitterEllipseTau.h.

Constructor & Destructor Documentation

CbmRichRingFitterEllipseTau::CbmRichRingFitterEllipseTau (  ) 

Default constructor.

Definition at line 91 of file CbmRichRingFitterEllipseTau.cxx.

CbmRichRingFitterEllipseTau::~CbmRichRingFitterEllipseTau (  )  [virtual]

Destructor.

Definition at line 96 of file CbmRichRingFitterEllipseTau.cxx.

CbmRichRingFitterEllipseTau::CbmRichRingFitterEllipseTau (  ) 

Default constructor.

virtual CbmRichRingFitterEllipseTau::~CbmRichRingFitterEllipseTau (  )  [virtual]

Destructor.

Member Function Documentation

void CbmRichRingFitterEllipseTau::AMultB ( const double *const   ap,
int  na,
int  ncolsa,
const double *const   bp,
int  nb,
int  ncolsb,
double *  cp 
) [private]

Matrices multiplication.

Definition at line 503 of file CbmRichRingFitterEllipseTau.cxx.

Referenced by InitMatrices(), and Taubin().

void CbmRichRingFitterEllipseTau::AMultB ( const double *const   ap,
int  na,
int  ncolsa,
const double *const   bp,
int  nb,
int  ncolsb,
double *  cp 
) [private]

Matrices multiplication.

virtual void CbmRichRingFitterEllipseBase::CalcChi2 ( CbmRichRingLight *  ring  )  [inline, protected, virtual, inherited]

Calculate chi2 of the ellipse fit.

Parameters:
[in,out] ring Fitted RICH ring with ellipse fitter.

Reimplemented from CbmRichRingFitterBase.

Definition at line 43 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(), and CbmRichRingLight::SetChi2().

Referenced by DoFit(), and TransformEllipse().

virtual void CbmRichRingFitterEllipseBase::CalcChi2 ( double  A,
double  B,
double  C,
double  D,
double  E,
double  F,
CbmRichRingLight *  ring 
) [inline, protected, virtual, inherited]

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 90 of file CbmRichRingFitterEllipseBase.h.

References CbmRichHitLight::fX, CbmRichHitLight::fY, CbmRichRingLight::GetHit(), CbmRichRingLight::GetNofHits(), and CbmRichRingLight::SetChi2().

virtual void CbmRichRingFitterEllipseBase::CalcChi2 ( CbmRichRingLight *  ring  )  [inline, protected, virtual, inherited]

Calculate chi2 of the ellipse fit.

Parameters:
[in,out] ring Fitted RICH ring with ellipse fitter.

Reimplemented from CbmRichRingFitterBase.

Definition at line 43 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(), and CbmRichRingLight::SetChi2().

virtual void CbmRichRingFitterEllipseBase::CalcChi2 ( double  A,
double  B,
double  C,
double  D,
double  E,
double  F,
CbmRichRingLight *  ring 
) [inline, protected, virtual, inherited]

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 90 of file CbmRichRingFitterEllipseBase.h.

References CbmRichHitLight::fX, CbmRichHitLight::fY, CbmRichRingLight::GetHit(), CbmRichRingLight::GetNofHits(), and CbmRichRingLight::SetChi2().

virtual void CbmRichRingFitterEllipseTau::DoFit ( CbmRichRingLight *  ring  )  [virtual]

Inherited from CbmRichRingFitterBase.

Implements CbmRichRingFitterBase.

void CbmRichRingFitterEllipseTau::DoFit ( CbmRichRingLight *  ring  )  [virtual]

Inherited from CbmRichRingFitterBase.

Implements CbmRichRingFitterBase.

Definition at line 101 of file CbmRichRingFitterEllipseTau.cxx.

References CbmRichRingFitterEllipseBase::CalcChi2(), CbmRichRingLight::GetNofHits(), InitMatrices(), CbmRichRingLight::SetRadius(), CbmRichRingLight::SetXYABP(), Taubin(), and TransformEllipse().

void CbmRichRingFitterEllipseTau::Eigsrt ( double  d[5],
double  v[5][5] 
) [private]

Find eigenvalues.

Definition at line 616 of file CbmRichRingFitterEllipseTau.cxx.

void CbmRichRingFitterEllipseTau::Eigsrt ( double  d[5],
double  v[5][5] 
) [private]

Find eigenvalues.

void CbmRichRingFitterEllipseTau::InitMatrices ( CbmRichRingLight *  ring  )  [private]

Initialize all matrices.

void CbmRichRingFitterEllipseTau::InitMatrices ( CbmRichRingLight *  ring  )  [private]

Initialize all matrices.

Definition at line 170 of file CbmRichRingFitterEllipseTau.cxx.

References AMultB(), fM, fP, fQ, CbmRichHitLight::fX, CbmRichHitLight::fY, fZ, fZT, CbmRichRingLight::GetHit(), and CbmRichRingLight::GetNofHits().

Referenced by DoFit().

void CbmRichRingFitterEllipseTau::Inv5x5 (  )  [private]

Invert 5x5 matrix.

Definition at line 290 of file CbmRichRingFitterEllipseTau.cxx.

References fP.

Referenced by Taubin().

void CbmRichRingFitterEllipseTau::Inv5x5 (  )  [private]

Invert 5x5 matrix.

void CbmRichRingFitterEllipseTau::Jacobi ( double  a[5][5],
double  d[5],
double  v[5][5] 
) [private]

Jacobi method.

void CbmRichRingFitterEllipseTau::Jacobi ( double  a[5][5],
double  d[5],
double  v[5][5] 
) [private]

Jacobi method.

Definition at line 532 of file CbmRichRingFitterEllipseTau.cxx.

References ROTATE.

void CbmRichRingFitterEllipseTau::Taubin (  )  [private]

Perform Taubin method.

void CbmRichRingFitterEllipseTau::Taubin (  )  [private]

Perform Taubin method.

Definition at line 124 of file CbmRichRingFitterEllipseTau.cxx.

References AMultB(), fAlgPar, fM, fP, fQ, and Inv5x5().

Referenced by DoFit().

void CbmRichRingFitterEllipseTau::TransformEllipse ( CbmRichRingLight *  ring  )  [private]

Transform fitted curve to ellipse parameters.

Parameters:
[in,out] ring RICH ring.
void CbmRichRingFitterEllipseTau::TransformEllipse ( CbmRichRingLight *  ring  )  [private]

Transform fitted curve to ellipse parameters.

Parameters:
[in,out] ring RICH ring.

Definition at line 231 of file CbmRichRingFitterEllipseTau.cxx.

References CbmRichRingFitterEllipseBase::CalcChi2(), fAlgPar, CbmRichRingLight::GetAaxis(), CbmRichRingLight::GetBaxis(), CbmRichRingLight::GetPhi(), CbmRichRingLight::SetAaxis(), CbmRichRingLight::SetABCDEF(), CbmRichRingLight::SetBaxis(), CbmRichRingLight::SetPhi(), CbmRichRingLight::SetRadius(), and CbmRichRingLight::SetXYABP().

Referenced by DoFit().

Field Documentation

double CbmRichRingFitterEllipseTau::fAlgPar [private]

Definition at line 62 of file CbmRichRingFitterEllipseTau.h.

Referenced by Taubin(), and TransformEllipse().

double CbmRichRingFitterEllipseTau::fM [private]

Definition at line 57 of file CbmRichRingFitterEllipseTau.h.

Referenced by InitMatrices(), and Taubin().

double CbmRichRingFitterEllipseTau::fP [private]

Definition at line 58 of file CbmRichRingFitterEllipseTau.h.

Referenced by InitMatrices(), Inv5x5(), and Taubin().

double CbmRichRingFitterEllipseTau::fQ [private]

Definition at line 59 of file CbmRichRingFitterEllipseTau.h.

Referenced by InitMatrices(), and Taubin().

double CbmRichRingFitterEllipseTau::fZ [private]

Definition at line 60 of file CbmRichRingFitterEllipseTau.h.

Referenced by InitMatrices().

double CbmRichRingFitterEllipseTau::fZT [private]

Definition at line 61 of file CbmRichRingFitterEllipseTau.h.

Referenced by InitMatrices().

static const int CbmRichRingFitterBase::MAX_NOF_HITS_IN_RING = 400 [static, protected, inherited]

Definition at line 76 of file CbmRichRingFitterBase.h.

Referenced by CbmRichRingFitterCOP::FitRing().

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