G4LineCurrentMagField Class Reference

#include <G4LineCurrentMagField.hh>

Inheritance diagram for G4LineCurrentMagField:

Collaboration diagram for G4LineCurrentMagField:

Public Member Functions
	G4LineCurrentMagField (G4double pFieldConstant)
	~G4LineCurrentMagField ()
void	GetFieldValue (const G4double yTrack[], G4double B[]) const
G4Field *	Clone () const
Public Member Functions inherited from G4MagneticField
	G4MagneticField ()
virtual	~G4MagneticField ()
	G4MagneticField (const G4MagneticField &r)
G4MagneticField &	operator= (const G4MagneticField &p)
G4bool	DoesFieldChangeEnergy () const
virtual void	GetFieldValue (const G4double Point[4], G4double *Bfield) const =0
Public Member Functions inherited from G4ElectroMagneticField
	G4ElectroMagneticField ()
virtual	~G4ElectroMagneticField ()
	G4ElectroMagneticField (const G4ElectroMagneticField &r)
G4ElectroMagneticField &	operator= (const G4ElectroMagneticField &p)
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)

Detailed Description

Definition at line 48 of file G4LineCurrentMagField.hh.

Constructor & Destructor Documentation

G4LineCurrentMagField::G4LineCurrentMagField

(

G4double

pFieldConstant

)

Definition at line 32 of file G4LineCurrentMagField.cc.

{
   fFieldConstant = pFieldConstant ;
}

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G4LineCurrentMagField::~G4LineCurrentMagField

(

)

Definition at line 44 of file G4LineCurrentMagField.cc.

{
}

Member Function Documentation

G4Field * G4LineCurrentMagField::Clone ( ) const

virtual

Reimplemented from G4Field.

Definition at line 37 of file G4LineCurrentMagField.cc.

{
    return new G4LineCurrentMagField( fFieldConstant );
}

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void G4LineCurrentMagField::GetFieldValue	(	const G4double	yTrack[],
		G4double	B[]
	)		const

Definition at line 51 of file G4LineCurrentMagField.cc.

{
   //   G4double fFieldConstant = 100 ;
   G4double a = 1.00 ;   // mm
   G4double x = a*yTrack[0], y = a*yTrack[1] ;
   G4double x2 = x*x, y2 = y*y, r2 = x2 + y2 ;
   G4double r = std::sqrt(r2+a*a) ;
   G4double Br = fFieldConstant/r;
   B[0] = -Br*y/r ;
   B[1] = Br*x/r ;
   B[2] = 0 ;
}

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

• source/geant4.10.03.p02/source/geometry/magneticfield/include/G4LineCurrentMagField.hh
• source/geant4.10.03.p02/source/geometry/magneticfield/src/G4LineCurrentMagField.cc