G4TQuadrupoleMagField Class Reference

G4TQuadrupoleMagField is a templated version of G4QuadrupoleMagField. More...

#include <G4TQuadrupoleMagField.hh>

Inheritance diagram for G4TQuadrupoleMagField:

Public Member Functions
	G4TQuadrupoleMagField (G4double pGradient)
	G4TQuadrupoleMagField (G4double pGradient, G4ThreeVector pOrigin, G4RotationMatrix *pMatrix)
virtual	~G4TQuadrupoleMagField ()=default
void	GetFieldValue (const G4double y[7], G4double B[3]) const
G4TQuadrupoleMagField *	Clone () const
Public Member Functions inherited from G4MagneticField
	G4MagneticField ()
	~G4MagneticField () override=default
	G4MagneticField (const G4MagneticField &r)
G4MagneticField &	operator= (const G4MagneticField &p)
G4bool	DoesFieldChangeEnergy () const override
void	GetFieldValue (const G4double Point[4], G4double *Bfield) const override=0
G4FieldType	GetFieldType () const override
Public Member Functions inherited from G4Field
	G4Field (G4bool gravityOn=false)
virtual	~G4Field ()=default
	G4Field (const G4Field &p)=default
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

G4TQuadrupoleMagField is a templated version of G4QuadrupoleMagField.

Definition at line 49 of file G4TQuadrupoleMagField.hh.

Constructor & Destructor Documentation

G4TQuadrupoleMagField() [1/2]

G4TQuadrupoleMagField::G4TQuadrupoleMagField ( G4double pGradient )

inline

Definition at line 53 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 60 of file G4TQuadrupoleMagField.hh.

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

~G4TQuadrupoleMagField()

virtual G4TQuadrupoleMagField::~G4TQuadrupoleMagField ( )

virtualdefault

Member Function Documentation

Clone()

G4TQuadrupoleMagField * G4TQuadrupoleMagField::Clone ( ) const

inlinevirtual

Interface method to implement cloning, needed by multi-threading. Here issuing a fatal exception, as expecting this to be implemented concretely in derived classes.

Reimplemented from G4Field.

Definition at line 99 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 71 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