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

Inheritance diagram for BDSFieldMagQuadrupole:

Collaboration diagram for BDSFieldMagQuadrupole:

Public Member Functions
	BDSFieldMagQuadrupole (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
	BDSFieldMagQuadrupole ()
	Private default constructor to force use of supplied constructor.

Private Attributes
G4double	bPrime
	B' - the field gradient - a constant for a quadrupole.

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 quadrupole.

The magnetic field is calculated from the quadrupole strength parameter "k1" and a design rigidity (brho).

Definition at line 36 of file BDSFieldMagQuadrupole.hh.

Constructor & Destructor Documentation

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

Definition at line 29 of file BDSFieldMagQuadrupole.cc.

virtual BDSFieldMagQuadrupole::~BDSFieldMagQuadrupole ( )

inlinevirtual

Definition at line 42 of file BDSFieldMagQuadrupole.hh.

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

virtual

Access the field value.

Implements BDSFieldMag.

Definition at line 40 of file BDSFieldMagQuadrupole.cc.

References bPrime.

G4double BDSFieldMagQuadrupole::bPrime

private

B' - the field gradient - a constant for a quadrupole.

Definition at line 53 of file BDSFieldMagQuadrupole.hh.

Referenced by GetField().

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