Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/biasing/include/G4VIStore.hh

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 25 //
 26 // G4VIStore
 27 //
 28 // Class description:
 29 //
 30 // An interface of an "importance store" used by importance sampling.
 31 // It defines how a importance value together with a "cell" 
 32 // (a G4VPhysicalVolume and a replica number) has to be added
 33 // to the "importance store" and how a importance value can be derived 
 34 // from the "importance store". 
 35 // 
 36 
 37 // Author: Michael Dressel (CERN), 2002
 38 // ----------------------------------------------------------------------
 39 #ifndef G4VISTORE_HH
 40 #define G4VISTORE_HH 1
 41 
 42 #include "globals.hh"
 43 
 44 class G4GeometryCell;
 45 class G4VPhysicalVolume;
 46 
 47 class  G4VIStore
 48 {
 49   public:  // with description
 50 
 51     G4VIStore();
 52     virtual ~G4VIStore();
 53 
 54     virtual G4double GetImportance(const G4GeometryCell& gCell) const = 0;
 55       // derive a importance value of a "cell" addressed by a G4GeometryCell
 56       // from the store
 57 
 58     virtual G4bool IsKnown(const G4GeometryCell& gCell) const = 0;
 59       // returns true if the gCell is in the store, else false 
 60 
 61     virtual const G4VPhysicalVolume& GetWorldVolume() const = 0;
 62 };
 63 
 64 #endif
 65