Geant4Field.h

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//==========================================================================
//  AIDA Detector description implementation 
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
 
#ifndef DDG4_GEANT4FIELD_H
#define DDG4_GEANT4FIELD_H
 
// Framework include files
#include <DD4hep/Detector.h>
 
// Geant 4 include files
#include <G4ElectroMagneticField.hh>
#include <G4MagneticField.hh>
 
namespace dd4hep {
 
  namespace sim {
 
    // Forward declarations
    class Geant4Field;
 
 
    class Geant4Field : public G4MagneticField {
    protected:
      OverlayedField m_field;
 
    public:
      Geant4Field(OverlayedField field) : m_field(field) {   }
      virtual ~Geant4Field() {    }
      virtual void GetFieldValue(const double pos[4], double *arr) const  override;
      virtual G4bool DoesFieldChangeEnergy() const  override;
    };
 
  }    // End namespace sim
}      // End namespace dd4hep
#endif // DDG4_GEANT4FIELD_H