CbmRichElectronIdAnn Class Reference

Implementation of the electron identification algorithm in the RICH detector using Artificial Neural Network(ANN). More...

#include <CbmRichElectronIdAnn.h>

Collaboration diagram for CbmRichElectronIdAnn:

Public Member Functions
virtual	~CbmRichElectronIdAnn ()
	Destructor.
double	CalculateAnnValue (int globalTrackIndex, double momentum)
	Calculate output value of the ANN.

Static Public Member Functions
static CbmRichElectronIdAnn &	GetInstance ()

Private Member Functions
	CbmRichElectronIdAnn ()
	Standard constructor.
void	Init ()
	Initialize ANN before use.
	CbmRichElectronIdAnn (const CbmRichElectronIdAnn &)
	Copy constructor.
CbmRichElectronIdAnn &	operator= (const CbmRichElectronIdAnn &)
	Assignment operator.

Private Attributes
string	fAnnWeights
	Set path to the file with ANN weights.
TMultiLayerPerceptron *	fNN
TClonesArray *	fGlobalTracks
TClonesArray *	fRichRings

Detailed Description

Implementation of the electron identification algorithm in the RICH detector using Artificial Neural Network(ANN).

Author

Semen Lebedev

Date

2008

Definition at line 36 of file CbmRichElectronIdAnn.h.

Constructor & Destructor Documentation

CbmRichElectronIdAnn() [1/2]

CbmRichElectronIdAnn::CbmRichElectronIdAnn ( )

private

Standard constructor.

Definition at line 33 of file CbmRichElectronIdAnn.cxx.

References Init().

~CbmRichElectronIdAnn()

CbmRichElectronIdAnn::~CbmRichElectronIdAnn ( )

virtual

Destructor.

Definition at line 38 of file CbmRichElectronIdAnn.cxx.

CbmRichElectronIdAnn() [2/2]

CbmRichElectronIdAnn::CbmRichElectronIdAnn ( const CbmRichElectronIdAnn & )

private

Copy constructor.

Member Function Documentation

CalculateAnnValue()

double CbmRichElectronIdAnn::CalculateAnnValue	(	int	globalTrackIndex,
		double	momentum )

Calculate output value of the ANN.

Parameters

[in]	ring	Found and fitted ring.
[in]	momentum	Momentum of the track attached to this ring.

Returns

ANN output value.

Definition at line 85 of file CbmRichElectronIdAnn.cxx.

References fGlobalTracks, fNN, fRichRings, CbmRichRing::GetAaxis(), CbmRichRing::GetBaxis(), CbmRichRing::GetChi2(), CbmRichRing::GetNDF(), CbmRichRing::GetNofHits(), CbmRichRing::GetPhi(), CbmRichRing::GetRadialAngle(), CbmRichRing::GetRadialPosition(), CbmGlobalTrack::GetRichRingIndex(), and CbmRichUtil::GetRingTrackDistance().

Referenced by CbmAnaConversionGlobalFunctions::ElectronANNvalue(), CbmAnaConversionReco::ElectronANNvalue(), CbmAnaConversionRecoFull::ElectronANNvalue(), CbmAnaConversionTest::ElectronANNvalue(), CbmAnaConversion::Exec(), PairAnalysisVarManager::FillVarPairAnalysisTrack(), CbmLitGlobalElectronId::GetRichAnn(), CbmLitGlobalElectronId::IsRichElectron(), CbmAnaConversionGlobalFunctions::IsRICHElectronANN(), and CbmAnaConversionReco::IsRichElectronANN().

GetInstance()

static CbmRichElectronIdAnn & CbmRichElectronIdAnn::GetInstance ( )

inlinestatic

Return Instance of CbmRichGeoManager.

Definition at line 47 of file CbmRichElectronIdAnn.h.

Referenced by CbmAnaConversionGlobalFunctions::ElectronANNvalue(), CbmAnaConversionReco::ElectronANNvalue(), CbmAnaConversionRecoFull::ElectronANNvalue(), CbmAnaConversionTest::ElectronANNvalue(), CbmAnaConversion::Exec(), PairAnalysisVarManager::FillVarPairAnalysisTrack(), CbmLitGlobalElectronId::GetRichAnn(), CbmLitGlobalElectronId::IsRichElectron(), CbmAnaConversionGlobalFunctions::IsRICHElectronANN(), and CbmAnaConversionReco::IsRichElectronANN().

Init()

void CbmRichElectronIdAnn::Init ( )

private

Initialize ANN before use.

Definition at line 40 of file CbmRichElectronIdAnn.cxx.

References CbmRichGeometryTypeCylindrical, CbmRichGeometryTypeTwoWings, fAnnWeights, fGlobalTracks, fNN, fRichRings, CbmRichGeoManager::GetInstance(), and x.

Referenced by CbmRichElectronIdAnn().

operator=()

CbmRichElectronIdAnn & CbmRichElectronIdAnn::operator= ( const CbmRichElectronIdAnn & )

private

Assignment operator.

Member Data Documentation

fAnnWeights

string CbmRichElectronIdAnn::fAnnWeights

private

Set path to the file with ANN weights.

Parameters

[in]

fileName

path to the file with ANN weights.

Definition at line 74 of file CbmRichElectronIdAnn.h.

Referenced by Init().

fGlobalTracks

TClonesArray* CbmRichElectronIdAnn::fGlobalTracks

private

Definition at line 77 of file CbmRichElectronIdAnn.h.

Referenced by CalculateAnnValue(), and Init().

fNN

TMultiLayerPerceptron* CbmRichElectronIdAnn::fNN

private

Definition at line 75 of file CbmRichElectronIdAnn.h.

Referenced by CalculateAnnValue(), and Init().

fRichRings

TClonesArray* CbmRichElectronIdAnn::fRichRings

private

Definition at line 78 of file CbmRichElectronIdAnn.h.

Referenced by CalculateAnnValue(), and Init().

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

• CbmRichElectronIdAnn.h
• CbmRichElectronIdAnn.cxx