//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// $Id: A01MagneticField.hh,v 1.4 2006/06/29 16:31:27 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