cbm::algo::kf::FieldSlice< T > Class Template Reference

A magnetic field approximation on the two-dimensional plane. More...

#include <KfFieldSlice.h>

Inheritance diagram for cbm::algo::kf::FieldSlice< T >:

Public Member Functions
	FieldSlice ()=default
	Default constructor.
	FieldSlice (const FieldFn_t &fieldFn, double xMax, double yMax, double zRef)
	Constructor from parameters.
template<typename I >
	FieldSlice (const FieldSlice< I > &other)
	Copy constructor.
	~FieldSlice ()=default
	Destructor.
FieldSlice &	operator= (const FieldSlice &other)=default
	Copy assignment operator.
constexpr FieldValue< T >	GetFieldValue (const T &x, const T &y) const
	Gets field value at a point on the transverse plane.
constexpr FieldValue< T >	GetFieldValueForLine (const TrackParam< T > &trkPar) const
	Gets field value for the intersection with a straight track.
const T &	GetZref () const
	Gets reference z-coordinate of the slice [cm].
std::string	ToString (int indentLevel=0, int verbose=1) const
	String representation of the class content.
void	CheckConsistency () const
	Consistency checker.

Private Types
using	CoeffArray_t = std::array<T, kNofCoeff>
	Array of the approximation coefficients [<monomial>].

Private Member Functions
template<class Archive >
void	serialize (Archive &ar, const unsigned int)

Private Attributes
CoeffArray_t	fBx {{T(0.)}}
	Approximation coefficients for the x-component of the field.
CoeffArray_t	fBy {{T(0.)}}
	Approximation coefficients for the y-component of the field.
CoeffArray_t	fBz {{T(0.)}}
	Approximation coefficients for the z-component of the field.
T	fZref {defs::Undef<T>}
	Reference z of the coefficients [cm].

Static Private Attributes
static constexpr int	kPolDegree {5}
	Approximation polynomial degree.
static constexpr int	kNofCoeff {((kPolDegree + 1) * (kPolDegree + 2)) / 2}
	Number of coefficients.

Friends
template<typename >
class	FieldSlice
class	boost::serialization::access
	Serialization function.

Detailed Description

template<typename T>
class cbm::algo::kf::FieldSlice< T >

A magnetic field approximation on the two-dimensional plane.

Template Parameters

T	Underlying data-type

Definition at line 31 of file KfFieldSlice.h.

Member Typedef Documentation

CoeffArray_t

template<typename T >

using cbm::algo::kf::FieldSlice< T >::CoeffArray_t = std::array<T, kNofCoeff>

private

Array of the approximation coefficients [<monomial>].

Definition at line 39 of file KfFieldSlice.h.

Constructor & Destructor Documentation

FieldSlice() [1/3]

template<typename T >

cbm::algo::kf::FieldSlice< T >::FieldSlice ( )

default

Default constructor.

FieldSlice() [2/3]

template<typename T >

FieldSlice::FieldSlice	(	const FieldFn_t &	fieldFn,
		double	xMax,
		double	yMax,
		double	zRef )

Constructor from parameters.

Parameters

fieldFn	Magnetic field function (point xyz, field xyz)
xMax	Half-size of the slice in x-direction [cm]
yMax	Half-size of the slice in y-direction [cm]
zRef	Reference z-coordinate of the slice [cm]

Definition at line 24 of file KfFieldSlice.cxx.

References cbm::algo::kf::FieldSlice< T >::kNofCoeff, x, and y.

FieldSlice() [3/3]

template<typename T >

template<typename I >

cbm::algo::kf::FieldSlice< T >::FieldSlice ( const FieldSlice< I > & other )

inline

Copy constructor.

Template Parameters

I	The underlying data type of the source object

Definition at line 55 of file KfFieldSlice.h.

~FieldSlice()

template<typename T >

cbm::algo::kf::FieldSlice< T >::~FieldSlice ( )

default

Destructor.

Member Function Documentation

CheckConsistency()

template<typename T >

void FieldSlice::CheckConsistency

(

)

const

Consistency checker.

Definition at line 149 of file KfFieldSlice.cxx.

References cbm::algo::kf::utils::CheckSimdVectorEquality().

GetFieldValue()

template<typename T >

FieldValue< T > cbm::algo::kf::FieldSlice< T >::GetFieldValue ( const T & x, const T & y ) const

inlineconstexpr

Gets field value at a point on the transverse plane.

Parameters

x	x-coordinate of the point [cm]
y	y-coordinate of the point [cm]

Returns

Field value [kG]

Definition at line 73 of file KfFieldSlice.h.

References x, and y.

Referenced by CbmL1PFFitter::CalculateFieldRegion(), CbmL1PFFitter::CalculateFieldRegionAtLastPoint(), CbmL1::FieldApproxCheck(), cbm::algo::ca::TrackExtender::FindMoreHits(), cbm::algo::ca::TripletConstructor::FindTriplets(), CbmL1PFFitter::Fit(), cbm::algo::ca::TrackExtender::FitBranchFast(), cbm::algo::ca::TrackFitter::FitCaTracks(), and CbmL1PFFitter::GetChiToVertex().

GetFieldValueForLine()

template<typename T >

FieldValue< T > cbm::algo::kf::FieldSlice< T >::GetFieldValueForLine ( const TrackParam< T > & trkPar ) const

inlineconstexpr

Gets field value for the intersection with a straight track.

Parameters

trackParam

Track parameter set

Returns

Field value [kG]

Definition at line 84 of file KfFieldSlice.h.

References cbm::algo::kf::TrackParamBase< T >::GetTx(), cbm::algo::kf::TrackParamBase< T >::GetTy(), cbm::algo::kf::TrackParamBase< T >::GetX(), cbm::algo::kf::TrackParamBase< T >::GetY(), and cbm::algo::kf::TrackParamBase< T >::GetZ().

GetZref()

template<typename T >

const T & cbm::algo::kf::FieldSlice< T >::GetZref ( ) const

inline

Gets reference z-coordinate of the slice [cm].

Definition at line 91 of file KfFieldSlice.h.

operator=()

template<typename T >

FieldSlice & cbm::algo::kf::FieldSlice< T >::operator= ( const FieldSlice< T > & other )

default

Copy assignment operator.

serialize()

template<typename T >

template<class Archive >

void cbm::algo::kf::FieldSlice< T >::serialize ( Archive & ar, const unsigned int  )

inlineprivate

Definition at line 105 of file KfFieldSlice.h.

ToString()

template<typename T >

std::string FieldSlice::ToString	(	int	indentLevel = 0,
		int	verbose = 1 ) const

String representation of the class content.

Parameters

intdentLevel	Indent level
verbose	Verbosity level

Definition at line 113 of file KfFieldSlice.cxx.

References cbm::algo::kf::utils::simd::Cast(), and x.

Friends And Related Symbol Documentation

boost::serialization::access

template<typename T >

friend class boost::serialization::access

friend

Serialization function.

Definition at line 103 of file KfFieldSlice.h.

FieldSlice

template<typename T >

template<typename >

friend class FieldSlice

friend

Definition at line 33 of file KfFieldSlice.h.

Member Data Documentation

fBx

template<typename T >

CoeffArray_t cbm::algo::kf::FieldSlice< T >::fBx {{T(0.)}}

private

Approximation coefficients for the x-component of the field.

Definition at line 113 of file KfFieldSlice.h.

fBy

template<typename T >

CoeffArray_t cbm::algo::kf::FieldSlice< T >::fBy {{T(0.)}}

private

Approximation coefficients for the y-component of the field.

Definition at line 114 of file KfFieldSlice.h.

fBz

template<typename T >

CoeffArray_t cbm::algo::kf::FieldSlice< T >::fBz {{T(0.)}}

private

Approximation coefficients for the z-component of the field.

Definition at line 115 of file KfFieldSlice.h.

fZref

template<typename T >

T cbm::algo::kf::FieldSlice< T >::fZref {defs::Undef<T>}

private

Reference z of the coefficients [cm].

Definition at line 116 of file KfFieldSlice.h.

kNofCoeff

template<typename T >

int cbm::algo::kf::FieldSlice< T >::kNofCoeff {((kPolDegree + 1) * (kPolDegree + 2)) / 2}

staticconstexprprivate

Number of coefficients.

Definition at line 36 of file KfFieldSlice.h.

Referenced by cbm::algo::kf::FieldSlice< T >::FieldSlice().

kPolDegree

template<typename T >

int cbm::algo::kf::FieldSlice< T >::kPolDegree {5}

staticconstexprprivate

Approximation polynomial degree.

Definition at line 35 of file KfFieldSlice.h.

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

• KfFieldSlice.h
• KfFieldSlice.cxx