G4UniformMagField Class Reference

#include <G4UniformMagField.hh>

Inheritance diagram for G4UniformMagField:

Collaboration diagram for G4UniformMagField:

Public Member Functions
	G4UniformMagField (const G4ThreeVector &FieldVector)
	G4UniformMagField (G4double vField, G4double vTheta, G4double vPhi)
virtual	~G4UniformMagField ()
	G4UniformMagField (const G4UniformMagField &p)
G4UniformMagField &	operator= (const G4UniformMagField &p)
virtual void	GetFieldValue (const G4double yTrack[4], G4double *MagField) const
void	SetFieldValue (const G4ThreeVector &newFieldValue)
G4ThreeVector	GetConstantFieldValue () const
virtual G4Field *	Clone () const
Public Member Functions inherited from G4MagneticField
	G4MagneticField ()
virtual	~G4MagneticField ()
	G4MagneticField (const G4MagneticField &r)
G4MagneticField &	operator= (const G4MagneticField &p)
G4bool	DoesFieldChangeEnergy () const
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 49 of file G4UniformMagField.hh.

Constructor & Destructor Documentation

G4UniformMagField::G4UniformMagField

(

const G4ThreeVector &

FieldVector

)

Definition at line 39 of file G4UniformMagField.cc.

{
      fFieldComponents[0] = FieldVector.x();
      fFieldComponents[1] = FieldVector.y();
      fFieldComponents[2] = FieldVector.z();
}

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G4UniformMagField::G4UniformMagField	(	G4double	vField,
		G4double	vTheta,
		G4double	vPhi
	)

Definition at line 61 of file G4UniformMagField.cc.

{
   if ( (vField<0) || (vTheta<0) || (vTheta>pi) || (vPhi<0) || (vPhi>twopi) )
   {
      std::ostringstream msg;
      msg << "ERROR in G4UniformMagField::G4UniformMagField(double, double, double) : "
          << "Invalid parameter(s). " << std::endl;
      msg << " Expected " << std::endl;
      
      msg << " - Magnitude vField: Value = " << vField
          << "  Expected vField > 0 " ;
      if ( vField<0) {  msg << " <------ Erroneous "; }
      msg << std::endl;      

      msg << " - Theta angle: Value = " << vTheta
          << "  Expected between 0 <= theta <= pi = " << pi << " ";
      if ( (vTheta<0) || (vTheta>pi) ) { msg << " <------ Erroneous "; }

      msg << std::endl;
      msg << " - Phi   angle: Value = " << vPhi
          << "  Expected between 0 <=  phi  <= 2*pi = " << twopi << std::endl;
      if ( (vPhi<0) || (vPhi>twopi) ) { msg << " <------ Erroneous "; }
      
      G4Exception("G4UniformMagField::G4UniformMagField()",
                  "GeomField0002", FatalException, msg ); // "Invalid parameters.") ;
   }
   fFieldComponents[0] = vField*std::sin(vTheta)*std::cos(vPhi) ;
   fFieldComponents[1] = vField*std::sin(vTheta)*std::sin(vPhi) ;
   fFieldComponents[2] = vField*std::cos(vTheta) ;
}

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G4UniformMagField::~G4UniformMagField ( )

virtual

Definition at line 94 of file G4UniformMagField.cc.

{
}

G4UniformMagField::G4UniformMagField

(

const G4UniformMagField &

p

)

Definition at line 98 of file G4UniformMagField.cc.

   : G4MagneticField(p)
{
   for (G4int i=0; i<3; i++)
   {
     fFieldComponents[i] = p.fFieldComponents[i];
   }
}

Member Function Documentation

G4Field * G4UniformMagField::Clone ( ) const

virtual

Reimplemented from G4Field.

Definition at line 46 of file G4UniformMagField.cc.

{
    return new G4UniformMagField( G4ThreeVector(fFieldComponents[0],
                                                fFieldComponents[1],
                                                fFieldComponents[2]) );
}

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G4ThreeVector G4UniformMagField::GetConstantFieldValue

(

)

const

Definition at line 128 of file G4UniformMagField.cc.

{
   G4ThreeVector B(fFieldComponents[0],
                   fFieldComponents[1],
                   fFieldComponents[2]);
  return B;
}

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void G4UniformMagField::GetFieldValue ( const G4double  yTrack[4], G4double *  MagField  ) const

virtual

Implements G4MagneticField.

Definition at line 120 of file G4UniformMagField.cc.

{
   B[0]= fFieldComponents[0] ;
   B[1]= fFieldComponents[1] ;
   B[2]= fFieldComponents[2] ;
}

G4UniformMagField & G4UniformMagField::operator=

(

const G4UniformMagField &

p

)

Definition at line 107 of file G4UniformMagField.cc.

{
   if (&p == this) return *this;
   G4MagneticField::operator=(p); 
   for (G4int i=0; i<3; i++)
   {
     fFieldComponents[i] = p.fFieldComponents[i];
   }
   return *this;
}

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void G4UniformMagField::SetFieldValue

(

const G4ThreeVector &

newFieldValue

)

Definition at line 54 of file G4UniformMagField.cc.

{
      fFieldComponents[0] = newFieldVector.x();
      fFieldComponents[1] = newFieldVector.y();
      fFieldComponents[2] = newFieldVector.z();
}

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---

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

• geant4.10.03.p01/source/geometry/magneticfield/include/G4UniformMagField.hh
• geant4.10.03.p01/source/geometry/magneticfield/src/G4UniformMagField.cc