G4VIStore.hh

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// $Id: G4VIStore.hh 66356 2012-12-18 09:02:32Z gcosmo $
//
// ----------------------------------------------------------------------
// Class G4VIStore
//
// Class description:
//
// An interface of an "importance store" used by importance sampling.
// It defines how a importance value together with a "cell" 
// (a G4VPhysicalVolume and a replica number) has to be added
// to the "importance store" and how a importance value can be derived 
// from the "importance store". 
// 

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4VIStore_hh
#define G4VIStore_hh G4VIStore_hh

#include "globals.hh"

class G4GeometryCell;
class G4VPhysicalVolume;

class  G4VIStore
{

public:  // with description

  G4VIStore();
  virtual  ~G4VIStore();

  virtual G4double GetImportance(const G4GeometryCell &gCell) const = 0;
    // derive a importance value of a "cell" addresed by a G4GeometryCell
    // 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;
};

#endif