00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // ---------------------------------------------------------------------- 00030 // Class G4VIStore 00031 // 00032 // Class description: 00033 // 00034 // An interface of an "importance store" used by importance sampling. 00035 // It defines how a importance value together with a "cell" 00036 // (a G4VPhysicalVolume and a replica number) has to be added 00037 // to the "importance store" and how a importance value can be derived 00038 // from the "importance store". 00039 // 00040 00041 // Author: Michael Dressel (Michael.Dressel@cern.ch) 00042 // ---------------------------------------------------------------------- 00043 #ifndef G4VIStore_hh 00044 #define G4VIStore_hh G4VIStore_hh 00045 00046 #include "globals.hh" 00047 00048 class G4GeometryCell; 00049 class G4VPhysicalVolume; 00050 00051 class G4VIStore 00052 { 00053 00054 public: // with description 00055 00056 G4VIStore(); 00057 virtual ~G4VIStore(); 00058 00059 virtual G4double GetImportance(const G4GeometryCell &gCell) const = 0; 00060 // derive a importance value of a "cell" addresed by a G4GeometryCell 00061 // from the store. 00062 00063 virtual G4bool IsKnown(const G4GeometryCell &gCell) const = 0; 00064 // returns true if the gCell is in the store, else false 00065 00066 virtual const G4VPhysicalVolume &GetWorldVolume() const = 0; 00067 }; 00068 00069 #endif