G4VWeightWindowStore.hh

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// $Id$
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// ----------------------------------------------------------------------
// Class G4VWeightWindowStore
//
// Class description:
//
// Interface class for a weight window store. It defines how the lower 
// weight window bound can be obtained from a weight window store.
// 

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4VWeightWindowStore_hh
#define G4VWeightWindowStore_hh G4VWeightWindowStore_hh

#include "globals.hh"

class G4GeometryCell;
class G4VPhysicalVolume;

class  G4VWeightWindowStore
{

public:  // with description

  G4VWeightWindowStore();
  virtual  ~G4VWeightWindowStore();

  virtual G4double GetLowerWeight(const G4GeometryCell &gCell, 
                                        G4double partEnergy) const = 0;
    // derive a lower weight bound value of a "cell" addresed by a 
    // G4GeometryCell and the coresponding energy from the store.

  virtual G4bool IsKnown(const G4GeometryCell &gCell) const = 0;
    // returns true if the gCell is in the store, else false 


  virtual const G4VPhysicalVolume &GetWorldVolume() const = 0;
    // return a reference to the wolrd volume of the 
    // geometry
};

#endif

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