Ring finder implementation based on Hough Transform method. More...

#include <CbmRichRingFinderHoughImpl.h>

Collaboration diagram for CbmRichRingFinderHoughImpl:

Public Member Functions
	CbmRichRingFinderHoughImpl ()
	Standard constructor.
virtual	~CbmRichRingFinderHoughImpl ()
	Distructor.
void	SetParameters ()
	Set parameters of the algorithm.
virtual void	HoughTransformReconstruction ()
	Run HT for each hit.
virtual void	DefineLocalAreaAndHits (float x0, float y0, int indmin, int indmax)
	Find hits in a local area.
virtual void	HoughTransform (unsigned short indmin, unsigned short indmax)
	Run HoughTransformGroup for each group of hits.
virtual void	HoughTransformGroup (unsigned short indmin, unsigned short indmax, int iPart)
	Main procedure for Hough Transform.
void	FindPeak (int indmin, int indmax)
	Find peak in the HT histograms.
void	DoFind (const vector< CbmRichHitLight > &hits)
	Start point to run algorithm.
vector< CbmRichRingLight * > &	GetFoundRings ()
	Return vector of found rings.
	CbmRichRingFinderHoughImpl ()
	Standard constructor.
virtual	~CbmRichRingFinderHoughImpl ()
	Distructor.
void	SetParameters ()
	Set parameters of the algorithm.
virtual void	HoughTransformReconstruction ()
	Run HT for each hit.
virtual void	DefineLocalAreaAndHits (float x0, float y0, int indmin, int indmax)
	Find hits in a local area.
virtual void	HoughTransform (unsigned short indmin, unsigned short indmax)
	Run HoughTransformGroup for each group of hits.
virtual void	HoughTransformGroup (unsigned short indmin, unsigned short indmax, int iPart)
	Main procedure for Hough Transform.
void	FindPeak (int indmin, int indmax)
	Find peak in the HT histograms.
void	DoFind (const vector< CbmRichHitLight > &hits)
	Start point to run algorithm.
vector< CbmRichRingLight * > &	GetFoundRings ()
	Return vector of found rings.
Protected Attributes
unsigned short	fNofParts
float	fMaxDistance
float	fMinDistance
float	fMinDistanceSq
float	fMaxDistanceSq
float	fMinRadius
float	fMaxRadius
float	fDx
float	fDy
float	fDr
unsigned short	fNofBinsX
unsigned short	fNofBinsY
unsigned short	fNofBinsXY
unsigned short	fHTCut
unsigned short	fNofBinsR
unsigned short	fHTCutR
unsigned short	fMinNofHitsInArea
float	fRmsCoeffCOP
float	fMaxCutCOP
float	fCurMinX
float	fCurMinY
vector< CbmRichHoughHit >	fData
vector< unsigned short >	fHist
vector< unsigned short >	fHistR
vector< vector< unsigned short > >	fHitInd
vector< CbmRichRingLight * >	fFoundRings
CbmRichRingFitterCOP *	fFitCOP
Static Protected Attributes
static const unsigned short	MAX_NOF_HITS = 65000
Private Member Functions
	CbmRichRingFinderHoughImpl (const CbmRichRingFinderHoughImpl &)
	Copy constructor.
CbmRichRingFinderHoughImpl &	operator= (const CbmRichRingFinderHoughImpl &)
	Assignment operator.
	CbmRichRingFinderHoughImpl (const CbmRichRingFinderHoughImpl &)
	Copy constructor.
CbmRichRingFinderHoughImpl &	operator= (const CbmRichRingFinderHoughImpl &)
	Assignment operator.

Detailed Description

Ring finder implementation based on Hough Transform method.

Author:: Semen Lebedev

Date:: 2008

Definition at line 107 of file CbmRichRingFinderHoughImpl.h.

Constructor & Destructor Documentation

CbmRichRingFinderHoughImpl::CbmRichRingFinderHoughImpl ( )

Standard constructor.

Definition at line 24 of file CbmRichRingFinderHoughImpl.cxx.

References fFitCOP, fHist, fHistR, fHitInd, fNofBinsR, fNofBinsXY, fNofParts, and SetParameters().

CbmRichRingFinderHoughImpl::~CbmRichRingFinderHoughImpl ( ) [virtual]

Distructor.

Definition at line 71 of file CbmRichRingFinderHoughImpl.cxx.

References fFitCOP.

CbmRichRingFinderHoughImpl::CbmRichRingFinderHoughImpl ( const CbmRichRingFinderHoughImpl & ) [private]

Copy constructor.

CbmRichRingFinderHoughImpl::CbmRichRingFinderHoughImpl ( )

Standard constructor.

virtual CbmRichRingFinderHoughImpl::~CbmRichRingFinderHoughImpl ( ) [virtual]

Distructor.

CbmRichRingFinderHoughImpl::CbmRichRingFinderHoughImpl ( const CbmRichRingFinderHoughImpl & ) [private]

Copy constructor.

Member Function Documentation

void CbmRichRingFinderHoughImpl::DefineLocalAreaAndHits	(	float	x0,
		float	y0,
		int *	indmin,
		int *	indmax
	)			`[virtual]`

Find hits in a local area.

Parameters:

`[in]`	x0	X coordinate of the local area center.
`[in]`	y0	Y coordinate of the local area center.
`[out]`	indmin	Minimum index of the hit in local area.
`[out]`	indmax	Maximum index of the hit in local area.

Definition at line 154 of file CbmRichRingFinderHoughImpl.cxx.

References fData, fHist, fHistR, CbmRichHoughHit::fHit, fHitInd, fMaxDistance, fMaxDistanceSq, fMinNofHitsInArea, fNofBinsR, fNofBinsXY, fNofParts, and CbmRichHitLight::fX.

Referenced by HoughTransformReconstruction().

virtual void CbmRichRingFinderHoughImpl::DefineLocalAreaAndHits	(	float	x0,
		float	y0,
		int *	indmin,
		int *	indmax
	)			`[virtual]`

Find hits in a local area.

Parameters:

`[in]`	x0	X coordinate of the local area center.
`[in]`	y0	Y coordinate of the local area center.
`[out]`	indmin	Minimum index of the hit in local area.
`[out]`	indmax	Maximum index of the hit in local area.