Geant4VolumeManager.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_GEANT4VOLUMEMANAGER_H
#define DDG4_GEANT4VOLUMEMANAGER_H
 
// Framework include files
#include <DD4hep/Detector.h>
#include <DD4hep/IDDescriptor.h>
#include <DDG4/Geant4Primitives.h>
 
#include <G4VTouchable.hh>
// Geant4 forward declarations
class G4VPhysicalVolume;
 
 
namespace dd4hep {
 
  namespace sim {
 
    // Forward declarations
    class Geant4VolumeManager;
    class Geant4GeometryInfo;
 
 
    class Geant4VolumeManager : public Handle<Geant4GeometryInfo>   {
    protected:
      bool checkValidity() const;
 
    public:
      static const VolumeID InvalidPath = VolumeID(-1LL);
      static const VolumeID Insensitive = VolumeID(-2LL);
      static const VolumeID NonExisting = 0ULL;
 
      Geant4VolumeManager(const Detector& description, Geant4GeometryInfo* info);
      Geant4VolumeManager() = default;
      Geant4VolumeManager(const Handle<Geant4GeometryInfo>& e)
        : Handle<Geant4GeometryInfo>(e) {  }
      Geant4VolumeManager(const Geant4VolumeManager& e) = default;
      template <typename Q> Geant4VolumeManager(const Handle<Q>& e)
        : Handle<Geant4GeometryInfo>(e) {
      }
      Geant4VolumeManager& operator=(const Geant4VolumeManager& c) = default;
 
      std::vector<const G4VPhysicalVolume*>
      placementPath(const G4VTouchable* touchable, bool exception = true) const;
      //VolumeID volumeID(const std::vector<const G4VPhysicalVolume*>& path) const;
      VolumeID volumeID(const G4VTouchable* touchable) const;
      void volumeDescriptor(const std::vector<const G4VPhysicalVolume*>& path,
                            std::pair<VolumeID,std::vector<std::pair<const BitFieldElement*, VolumeID> > >& volume_desc) const;
      void volumeDescriptor(const G4VTouchable* touchable,
                            std::pair<VolumeID,std::vector<std::pair<const BitFieldElement*, VolumeID> > >& volume_desc) const;
    };
 
  }    // End namespace sim
}      // End namespace dd4hep
#endif // DDG4_GEANT4VOLUMEMANAGER_H