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Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes | List of all members
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:
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Public Member Functions

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

Static Public Member Functions

static CbmRichElectronIdAnn & GetInstance ()
 

Private Member Functions

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

Private Attributes

string fAnnWeights
 Set path to the file with ANN weights. More...
 
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 32 of file CbmRichElectronIdAnn.h.

Constructor & Destructor Documentation

◆ CbmRichElectronIdAnn() [1/2]

CbmRichElectronIdAnn::CbmRichElectronIdAnn ( )
private

Standard constructor.

Definition at line 26 of file CbmRichElectronIdAnn.cxx.

References Init().

◆ ~CbmRichElectronIdAnn()

CbmRichElectronIdAnn::~CbmRichElectronIdAnn ( )
virtual

Destructor.

Definition at line 31 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]ringFound and fitted ring.
[in]momentumMomentum of the track attached to this ring.
Returns
ANN output value.

Definition at line 84 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(), CbmAnaConversionTest::ElectronANNvalue(), CbmAnaConversionReco::ElectronANNvalue(), CbmAnaConversionRecoFull::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 43 of file CbmRichElectronIdAnn.h.

Referenced by CbmAnaConversionGlobalFunctions::ElectronANNvalue(), CbmAnaConversionTest::ElectronANNvalue(), CbmAnaConversionReco::ElectronANNvalue(), CbmAnaConversionRecoFull::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 33 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]fileNamepath to the file with ANN weights.

Definition at line 69 of file CbmRichElectronIdAnn.h.

Referenced by Init().

◆ fGlobalTracks

TClonesArray* CbmRichElectronIdAnn::fGlobalTracks
private

Definition at line 72 of file CbmRichElectronIdAnn.h.

Referenced by CalculateAnnValue(), and Init().

◆ fNN

TMultiLayerPerceptron* CbmRichElectronIdAnn::fNN
private

Definition at line 70 of file CbmRichElectronIdAnn.h.

Referenced by CalculateAnnValue(), and Init().

◆ fRichRings

TClonesArray* CbmRichElectronIdAnn::fRichRings
private

Definition at line 73 of file CbmRichElectronIdAnn.h.

Referenced by CalculateAnnValue(), and Init().

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