Belle II Software development
PT_NAME< PointType > Class Template Reference

calculates the estimation of the transverse momentum of the 3-hit-tracklet, returning unit: GeV/c. More...

#include <Pt.h>

Inheritance diagram for PT_NAME< PointType >:
SelectionVariable< PointType, 3, double >

Public Types

typedef double variableType
 Type of the returned object.
 
typedef PointType argumentType
 Type of the argument object.
 
typedef FunctionOf< Nargs, variableType, constargumentType & >::functionType functionType
 Type of the function returning the value.
 

Public Member Functions

 PUT_NAME_FUNCTION (PT_NAME)
 is replaced by "static const std:string name(void)" frunction which returns name of the Class
 

Static Public Member Functions

static double value (const PointType &outerHit, const PointType &centerHit, const PointType &innerHit)
 calculates the estimation of the transverse momentum of the 3-hit-tracklet, returning unit: GeV/c
 
static variableType value (const PointType &arg1, const PointType &arg2)
 Static method that return the variable associated to:
 

Static Public Attributes

static const size_t c_Nargs
 Number of arguments.
 

Detailed Description

template<typename PointType>
class Belle2::PT_NAME< PointType >

calculates the estimation of the transverse momentum of the 3-hit-tracklet, returning unit: GeV/c.

WARNING: this filter returns 0 if no valid value could be found!

Definition at line 30 of file Pt.h.

Member Typedef Documentation

◆ argumentType

typedef PointType argumentType
inherited

Type of the argument object.

Needed for SFINAE in Filter.hh

Definition at line 84 of file SelectionVariable.h.

◆ functionType

typedef FunctionOf<Nargs,variableType,constargumentType&>::functionType functionType
inherited

Type of the function returning the value.

Needed for the automated training

Definition at line 88 of file SelectionVariable.h.

◆ variableType

typedef double variableType
inherited

Type of the returned object.

Needed for SFINAE in Filter.hh

Definition at line 81 of file SelectionVariable.h.

Member Function Documentation

◆ value() [1/2]

static variableType value ( const PointType &  arg1,
const PointType &  arg2 
)
inlinestaticinherited

Static method that return the variable associated to:

Parameters
arg1first object of the pair
arg2second object of the pair

N.B. this method must be static.

◆ value() [2/2]

static double value ( const PointType &  outerHit,
const PointType &  centerHit,
const PointType &  innerHit 
)
inlinestatic

calculates the estimation of the transverse momentum of the 3-hit-tracklet, returning unit: GeV/c

Definition at line 36 of file Pt.h.

37 {
38 typedef SelVarHelper<PointType, double> Helper;
39
40 B2Vector3D circleCenter = CircleCenterXY<PointType>::value(outerHit, centerHit, innerHit);
41 double circleRadius = CircleRadius<PointType>::calcAvgDistanceXY(outerHit, centerHit, innerHit, circleCenter);
42
43 return circleRadius * Helper::s_MagneticFieldFactor;
44 } // return unit: GeV/c
B2Vector3< double > B2Vector3D
typedef for common usage with double
Definition: B2Vector3.h:516
B2Vector3D outerHit(0, 0, 0)
testing out of range behavior

Member Data Documentation

◆ c_Nargs

const size_t c_Nargs
staticinherited

Number of arguments.

Definition at line 91 of file SelectionVariable.h.


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