G4EmMultiModel.hh

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00001 //
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00025 //
00026 // $Id$
00027 //
00028 // -------------------------------------------------------------------
00029 //
00030 // GEANT4 Class header file
00031 //
00032 //
00033 // File name:     G4EmMultiModel
00034 //
00035 // Author:        Vladimir Ivanchenko
00036 //
00037 // Creation date: 03.05.2004
00038 //
00039 // Modifications:
00040 // 15-04-05 optimize internal interface (V.Ivanchenko)
00041 // 04-07-10 updated interfaces according to g4 9.4 (V.Ivanchenko)
00042 //
00043 // Class Description:
00044 //
00045 // EM model using several G4VEmModels for the same energy interval
00046 
00047 // -------------------------------------------------------------------
00048 //
00049 
00050 #ifndef G4EmMultiModel_h
00051 #define G4EmMultiModel_h 1
00052 
00053 #include "globals.hh"
00054 #include "G4VEmModel.hh"
00055 #include <vector>
00056 
00057 class G4DynamicParticle;
00058 
00059 class G4EmMultiModel :  public G4VEmModel
00060 {
00061 
00062 public:
00063 
00064   G4EmMultiModel(const G4String& nam = "MultiModel");
00065 
00066   virtual ~G4EmMultiModel();
00067 
00068   void AddModel(G4VEmModel*);
00069 
00070   virtual void Initialise(const G4ParticleDefinition*, 
00071                           const G4DataVector&);
00072 
00073   virtual G4double ComputeDEDX(const G4MaterialCutsCouple*,
00074                                const G4ParticleDefinition*,
00075                                G4double kineticEnergy,
00076                                G4double cutEnergy);
00077 
00078   // main method to compute cross section per atom
00079   virtual 
00080   G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
00081                                       G4double kinEnergy,
00082                                       G4double Z,
00083                                       G4double A = 0., /* amu */
00084                                       G4double cutEnergy = 0.0,
00085                                       G4double maxEnergy = DBL_MAX);
00086 
00087   virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
00088                                  const G4MaterialCutsCouple*,
00089                                  const G4DynamicParticle*,
00090                                  G4double tmin,
00091                                  G4double tmax);
00092 
00093 private: 
00094 
00095   //  hide assignment operator
00096   G4EmMultiModel & operator=(const  G4EmMultiModel &right);
00097   G4EmMultiModel(const  G4EmMultiModel&);
00098 
00099   G4int                         nModels;
00100   std::vector<G4VEmModel*>      model;
00101   std::vector<G4double>         cross_section;
00102 
00103 };
00104 
00105 #endif
00106 

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