Class that provides the magnetic strength in a sextupole. More...

#include <BDSFieldMagSextupole.hh>

Inheritance diagram for BDSFieldMagSextupole:

Collaboration diagram for BDSFieldMagSextupole:

Public Member Functions
	BDSFieldMagSextupole (BDSMagnetStrength const *strength, G4double const brho)

virtual G4ThreeVector	GetField (const G4ThreeVector &position, const G4double t=0) const
	Access the field value.

Public Member Functions inherited from BDSFieldMag
	BDSFieldMag ()

	BDSFieldMag (G4Transform3D transformIn)

virtual G4ThreeVector	GetField (const G4ThreeVector &position, const G4double t=0) const =0

virtual G4bool	TimeVarying () const

virtual void	GetFieldValue (const G4double point[4], G4double *field) const

virtual G4ThreeVector	GetFieldTransformed (const G4ThreeVector &position, const G4double t) const
	Get the field value after applying transform for local offset.

virtual void	SetTransform (const G4Transform3D &transformIn)

void	SetModulator (BDSModulator *modulatorIn)
	Set the optional modulator.

G4bool	FiniteStrength () const
	Accessor.

Private Member Functions
	BDSFieldMagSextupole ()
	Private default constructor to avoid usage.

Private Attributes
G4double	bDoublePrime
	B'' - second derivative of the magnetic field.

G4double	halfBDoublePrime
	bDoublePrime / 2! cached

Additional Inherited Members
Protected Attributes inherited from BDSFieldMag
G4bool	finiteStrength
	Flag to cache whether finite nor not.

G4Transform3D	transform
	Transform to apply for the field relative to the local coordinates of the geometry.

G4bool	transformIsNotIdentity
	Cache of whether to use transform at all.

BDSModulator *	modulator
	Optional modulator;.

Detailed Description

Class that provides the magnetic strength in a sextupole.

The magnetic field is calculated from the sextupole strength parameter "k2" and a design rigidity (brho).

Definition at line 36 of file BDSFieldMagSextupole.hh.

Constructor & Destructor Documentation

◆ BDSFieldMagSextupole()

BDSFieldMagSextupole::BDSFieldMagSextupole	(	BDSMagnetStrength const *	strength,
		G4double const	brho
	)

Definition at line 31 of file BDSFieldMagSextupole.cc.

◆ ~BDSFieldMagSextupole()

virtual BDSFieldMagSextupole::~BDSFieldMagSextupole ( )

inlinevirtual

Definition at line 42 of file BDSFieldMagSextupole.hh.

Member Function Documentation

◆ GetField()

G4ThreeVector BDSFieldMagSextupole::GetField	(	const G4ThreeVector &	position,
		const G4double	t = `0`
	)		const

virtual

Access the field value.

Implements BDSFieldMag.

Definition at line 43 of file BDSFieldMagSextupole.cc.

References bDoublePrime, and halfBDoublePrime.

Field Documentation

◆ bDoublePrime

G4double BDSFieldMagSextupole::bDoublePrime

private

B'' - second derivative of the magnetic field.

Definition at line 53 of file BDSFieldMagSextupole.hh.

Referenced by GetField().

◆ halfBDoublePrime

G4double BDSFieldMagSextupole::halfBDoublePrime

private

bDoublePrime / 2! cached

Definition at line 56 of file BDSFieldMagSextupole.hh.

Referenced by GetField().

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

/Users/lnevay/physics/reps/bdsim/include/BDSFieldMagSextupole.hh
/Users/lnevay/physics/reps/bdsim/src/BDSFieldMagSextupole.cc

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members