G4TQuadrupoleMagField Class Reference

#include <G4TQuadrupoleMagField.hh>

Inheritance diagram for G4TQuadrupoleMagField:

Public Member Functions
	G4TQuadrupoleMagField (G4double pGradient)
	G4TQuadrupoleMagField (G4double pGradient, G4ThreeVector pOrigin, G4RotationMatrix *pMatrix)
virtual	~G4TQuadrupoleMagField ()
void	GetFieldValue (const G4double y[7], G4double B[3]) const
G4TQuadrupoleMagField *	Clone () const
Public Member Functions inherited from G4MagneticField
	G4MagneticField ()
	~G4MagneticField () override
	G4MagneticField (const G4MagneticField &r)
G4MagneticField &	operator= (const G4MagneticField &p)
G4bool	DoesFieldChangeEnergy () const override
void	GetFieldValue (const G4double Point[4], G4double *Bfield) const override=0
Public Member Functions inherited from G4Field
	G4Field (G4bool gravityOn=false)
	G4Field (const G4Field &)
virtual	~G4Field ()
G4Field &	operator= (const G4Field &p)
G4bool	IsGravityActive () const
void	SetGravityActive (G4bool OnOffFlag)

Additional Inherited Members
Static Public Attributes inherited from G4Field
static constexpr G4int	MAX_NUMBER_OF_COMPONENTS = 24

Detailed Description

Definition at line 48 of file G4TQuadrupoleMagField.hh.

Constructor & Destructor Documentation

G4TQuadrupoleMagField() [1/2]

G4TQuadrupoleMagField::G4TQuadrupoleMagField ( G4double pGradient )

inline

Definition at line 52 of file G4TQuadrupoleMagField.hh.

  {
    fGradient = pGradient ;
    fOrigin   = G4ThreeVector( 0.0, 0.0, 0.0) ;
    fpMatrix  = &IdentityMatrix;
  }

Referenced by Clone().

G4TQuadrupoleMagField() [2/2]

G4TQuadrupoleMagField::G4TQuadrupoleMagField ( G4double pGradient, G4ThreeVector pOrigin, G4RotationMatrix * pMatrix )

inline

Definition at line 59 of file G4TQuadrupoleMagField.hh.

        {
            fGradient    = pGradient ;
            fOrigin      = pOrigin ;
            fpMatrix     = pMatrix ;
        }

~G4TQuadrupoleMagField()

virtual G4TQuadrupoleMagField::~G4TQuadrupoleMagField ( )

inlinevirtual

Definition at line 68 of file G4TQuadrupoleMagField.hh.

{;}

Member Function Documentation

Clone()

G4TQuadrupoleMagField * G4TQuadrupoleMagField::Clone ( ) const

inlinevirtual

Reimplemented from G4Field.

Definition at line 98 of file G4TQuadrupoleMagField.hh.

        {
            //TODO: Can the fpMatrix be shared??
            return new G4TQuadrupoleMagField(this->fGradient,
                    this->fOrigin,
                    this->fpMatrix);
        }

GetFieldValue()

void G4TQuadrupoleMagField::GetFieldValue ( const G4double y[7], G4double B[3] ) const

inline

Definition at line 70 of file G4TQuadrupoleMagField.hh.

        {
            G4ThreeVector r_global = G4ThreeVector(
                    y[0] - fOrigin.x(), 
                    y[1] - fOrigin.y(), 
                    y[2] - fOrigin.z());
 
            G4ThreeVector r_local = G4ThreeVector(
                    fpMatrix->colX() * r_global,
                    fpMatrix->colY() * r_global,
                    fpMatrix->colZ() * r_global);
 
            G4ThreeVector B_local = G4ThreeVector(
                    fGradient * r_local.y(),
                    fGradient * r_local.x(),
                    0);
 
            G4ThreeVector B_global = G4ThreeVector(
                    fpMatrix->inverse().rowX() * B_local,
                    fpMatrix->inverse().rowY() * B_local,
                    fpMatrix->inverse().rowZ() * B_local);
 
            B[0] = B_global.x() ;
            B[1] = B_global.y() ;
            B[2] = B_global.z() ;
        }

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

• G4TQuadrupoleMagField.hh