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// $Id: G4UniformElectricField.hh,v 1.8 2003/11/05 10:35:55 japost Exp $
// GEANT4 tag $Name: geant4-08-00 $
//
// 
// class G4UniformElectricField
//
// Class description:
//
// Class for creation of Uniform electric Magnetic Field.

// History:
// - 30.01.97 V.Grichine, Created.
// -------------------------------------------------------------------

#ifndef G4UNIFORMELECTRICFIELD_HH
#define G4UNIFORMELECTRICFIELD_HH

#include "G4Types.hh"
#include "G4ThreeVector.hh"
#include "G4ElectricField.hh"

class G4UniformElectricField : public G4ElectricField
{
  public:  // with description

    G4UniformElectricField(const G4ThreeVector FieldVector );
      // A field with value equal to FieldVector.

    G4UniformElectricField(G4double vField,
                           G4double vTheta,
                           G4double vPhi     ) ;
       
    virtual ~G4UniformElectricField() ;

    G4UniformElectricField(const G4UniformElectricField &p);
    G4UniformElectricField& operator = (const G4UniformElectricField &p);
      // Copy constructor and assignment operator

    virtual void GetFieldValue(const G4double pos[4], G4double *field) const;

  private:
  
    G4double fFieldComponents[6] ;
};

#endif