G4GeometryCell.hh

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// $Id$
//
// ----------------------------------------------------------------------
// Class G4GeometryCell
//
// Class description:
//
// This class is usde by scoring and importance sampling.
// It serves to address a "cell". A "cell" is somewhat
// related to a touchable in Geant4. It is identified by a reference
// to a G4VPhysicalVolume and a number (replica number).
// Only simple replicas are supported.

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4GeometryCell_hh
#define G4GeometryCell_hh G4GeometryCell_hh 

#include "globals.hh"

class G4VPhysicalVolume;

class G4GeometryCell
{
public:  // with description

  G4GeometryCell(const G4VPhysicalVolume &aVolume, G4int RepNum);

  G4GeometryCell(const G4GeometryCell &rhs);
    // initialise volume and replica number

  ~G4GeometryCell();
    // simple destruction
  
  const G4VPhysicalVolume &GetPhysicalVolume() const;
    // return the physical volume of the cell

  G4int GetReplicaNumber() const;
    // returns the replica number of the cell

  G4GeometryCell &operator=(const G4GeometryCell &rhs);
  
private:
  const G4VPhysicalVolume *fVPhysicalVolume;
    // pointer to the G4VPhysicalVolume of the "cell" 
    // it is treated as identifyer 

  G4int fRepNum;
    // replica number of the "cell"
};

G4bool operator==(const G4GeometryCell &k1, const G4GeometryCell &k2);
G4bool operator!=(const G4GeometryCell &k1, const G4GeometryCell &k2);

#endif

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