//
// ********************************************************************
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// $Id: A01MagneticField.hh,v 1.3 2002/12/13 11:34:29 gunter Exp $
// --------------------------------------------------------------
//

#ifndef A01MagneticField_H
#define A01MagneticField_H 1

#include "globals.hh"
#include "G4MagneticField.hh"
class A01MagneticFieldMessenger;

class A01MagneticField : public G4MagneticField
{
  public:
    A01MagneticField();
    ~A01MagneticField();

    virtual void GetFieldValue( const  double Point[3],
                               double *Bfield ) const;

  private:
    A01MagneticFieldMessenger* messenger;
    G4double By;
    G4double rmax_sq;
    G4double ymax;

  public:
    inline void SetField(G4double val) { By = val; }
    inline G4double GetField() const { return By; }
};

#endif