G4VGCellFinder.hh

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// $Id$
//
// ----------------------------------------------------------------------
// Class G4VGCellFinder
//
// Class description:
//
// An interface of an GCellFinder. The G4GeometryCell is obtained
// in the parallel geometry from G4VParallelStepper and in the
// mass geometry form G4Step. This interface allows to implement
// the two different ways to get a G4GeometryCell used by a process.
// 

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4VGCellFinder_hh
#define G4VGCellFinder_hh G4VGCellFinder_hh

#include "globals.hh"
#include "G4GeometryCell.hh"

class G4Step;

class  G4VGCellFinder
{

public:  // with description

  G4VGCellFinder();
  virtual  ~G4VGCellFinder();

  virtual G4GeometryCell 
  GetPreGeometryCell(const G4Step &aStep) const=0;
  virtual G4GeometryCell 
  GetPostGeometryCell(const G4Step &aStep) const=0;
  
};

#endif

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