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geant4/source/geometry/biasing/include/G4VGCellFinder.hh
2025-12-05 08:54:02 +01:00

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//
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//
// G4VGCellFinder
//
// Class description:
//
// An interface of an GCellFinder. The G4GeometryCell is obtained
// in the parallel geometry from G4VParallelStepper and in the
// mass geometry from G4Step. This interface allows one to implement
// the two different ways to get a G4GeometryCell used by a process.
// Author: Michael Dressel (CERN), 2002
// ----------------------------------------------------------------------
#ifndef G4VGCELLFINDER_HH
#define G4VGCELLFINDER_HH
#include "globals.hh"
#include "G4GeometryCell.hh"
class G4Step;
/**
* @brief G4VGCellFinder is an interface base class for GCellFinder.
* The G4GeometryCell is obtained in the parallel geometry from
* G4VParallelStepper and in the mass geometry from G4Step. This interface
* allows one to implement the two different ways to get a G4GeometryCell
* used by a process.
*/
class G4VGCellFinder
{
public:
/**
* Default Constructor and Destructor.
*/
G4VGCellFinder() = default;
virtual ~G4VGCellFinder() = default;
/**
* Returns the pre/post cell given the step.
*/
virtual G4GeometryCell GetPreGeometryCell(const G4Step& aStep) const = 0;
virtual G4GeometryCell GetPostGeometryCell(const G4Step& aStep) const = 0;
};
#endif