Belle II Software development
QualityEstimatorRandom Class Reference

Class implementing a random quality estimation. More...

#include <QualityEstimatorRandom.h>

Inheritance diagram for QualityEstimatorRandom:
QualityEstimatorBase

Public Member Functions

virtual double estimateQuality (std::vector< SpacePoint const * > const &) final
 Returning a random quality indicator for the given track candidate Value is uniformly distributed between 0.0 and 1.0.
 
void setMagneticFieldStrength (double magneticFieldZ=1.5)
 Setter for z component of magnetic field.
 
virtual QualityEstimationResults estimateQualityAndProperties (std::vector< SpacePoint const * > const &measurements)
 Quality estimation providing additional quantities Calculates quality indicator in range [0,1] Optionally returns chi2 and additional informations.
 

Protected Member Functions

double calcPt (double const radius) const
 Returns a value for the transverse momentum in GeV calculated from a provided radius.
 

Protected Attributes

double m_magneticFieldZ = 1.5
 Member storing the z component of the magnetic field.
 
QualityEstimationResults m_results
 Result of the quality estimation This is stored as a member variable, because some values may be calculated by 'estimateQuality' anyways.
 

Detailed Description

Class implementing a random quality estimation.

Definition at line 20 of file QualityEstimatorRandom.h.

Member Function Documentation

◆ calcPt()

double calcPt ( double const  radius) const
inlineprotectedinherited

Returns a value for the transverse momentum in GeV calculated from a provided radius.

Utilizing m_magneticFieldZ and hard coded speed of light

Definition at line 80 of file QualityEstimatorBase.h.

80{ return m_magneticFieldZ * radius * 0.00299792458; }
double m_magneticFieldZ
Member storing the z component of the magnetic field.

◆ estimateQuality()

virtual double estimateQuality ( std::vector< SpacePoint const * > const &  )
inlinefinalvirtual

Returning a random quality indicator for the given track candidate Value is uniformly distributed between 0.0 and 1.0.

Returns
: random quality indicator value

Implements QualityEstimatorBase.

Definition at line 27 of file QualityEstimatorRandom.h.

27{ return gRandom->Uniform(1.0); };

◆ estimateQualityAndProperties()

virtual QualityEstimationResults estimateQualityAndProperties ( std::vector< SpacePoint const * > const &  measurements)
inlinevirtualinherited

Quality estimation providing additional quantities Calculates quality indicator in range [0,1] Optionally returns chi2 and additional informations.

Eg. momentum estimation.

measurements - std::vector<SpacePoint const*> ordered from innermost to outermost measurement

Reimplemented in QualityEstimatorTripletFit, and QualityEstimatorMC.

Definition at line 68 of file QualityEstimatorBase.h.

69 {
70 m_results = QualityEstimationResults();
72 return m_results;
73 }
virtual double estimateQuality(std::vector< SpacePoint const * > const &measurements)=0
Minimal implementation of the quality estimation Calculates quality indicator in range [0,...
QualityEstimationResults m_results
Result of the quality estimation This is stored as a member variable, because some values may be calc...
double qualityIndicator
return value of the quality estimator

◆ setMagneticFieldStrength()

void setMagneticFieldStrength ( double  magneticFieldZ = 1.5)
inlineinherited

Setter for z component of magnetic field.

Parameters
magneticFieldZ: value to set it to

Definition at line 53 of file QualityEstimatorBase.h.

53{m_magneticFieldZ = magneticFieldZ;}

Member Data Documentation

◆ m_magneticFieldZ

double m_magneticFieldZ = 1.5
protectedinherited

Member storing the z component of the magnetic field.

Definition at line 84 of file QualityEstimatorBase.h.

◆ m_results

QualityEstimationResults m_results
protectedinherited

Result of the quality estimation This is stored as a member variable, because some values may be calculated by 'estimateQuality' anyways.

Therefore they don't need to be calculated explicitly in 'estimateQualityAndProperties'.

Definition at line 90 of file QualityEstimatorBase.h.


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