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// $Id$
//
/// \file B5MagneticField.hh
/// \brief Definition of the B5MagneticField class

#ifndef B5MagneticField_H
#define B5MagneticField_H 1

#include "globals.hh"
#include "G4MagneticField.hh"

class G4GenericMessenger;

/// Magnetic field

class B5MagneticField : public G4MagneticField
{
  public:
    B5MagneticField();
    virtual ~B5MagneticField();
    
    virtual void GetFieldValue(const G4double point[4],double* bField ) const;
    
    void SetField(G4double val) { fBy = val; }
    G4double GetField() const { return fBy; }
    
  private:
    void DefineCommands();

    G4GenericMessenger* fMessenger;
    G4double fBy;
};

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#endif
