DetectorConstruction.h

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#ifndef G4BASE_DetectorConstruction_h
#define G4BASE_DetectorConstruction_h

#include "Geant4/G4VUserDetectorConstruction.hh"

// forward declarations
class G4VPhysicalVolume;
class G4FieldManager;

namespace g4b {

  class DetectorConstruction : public G4VUserDetectorConstruction {

  public:
    explicit DetectorConstruction(std::string const& gdmlFile,
                                  bool        const& overlapCheck   = false,
                                  bool        const& validateSchema = true);
    virtual ~DetectorConstruction();

    G4VPhysicalVolume* Construct();

    void SetCustomMagneticService();

    static G4VPhysicalVolume* GetWorld() { return fWorld;    }

    static G4FieldManager* GetFieldMgr() { return fFieldMgr; }

  private:
    static G4VPhysicalVolume* fWorld;    
    static G4FieldManager*    fFieldMgr; 

  };

} // namespace g4b

#endif // G4BASE_DetectorConstruction_h