physics/include/G4RDEMDataSet.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 //
0027 //
0028 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
0029 //
0030 // History:
0031 // -----------
0032 // 31 Jul 2001   MGP        Created
0033 //
0034 // -------------------------------------------------------------------
0035
0036 // Class description:
0037 // Low Energy Electromagnetic Physics
0038 // Data set for an electromagnetic physics process
0039 // A strategy pattern is used to encapsulate algorithms for data interpolation
0040 // Further documentation available from http://www.ge.infn.it/geant4/lowE
0041
0042 // -------------------------------------------------------------------
0043
0044 #ifndef G4RDEMDATASET_HH
0045 #define G4RDEMDATASET_HH 1
0046
0047 #include <CLHEP/Units/SystemOfUnits.h>
0048
0049 #include "globals.hh"
0050 #include "G4RDVEMDataSet.hh"
0051
0052 class G4RDVDataSetAlgorithm;
0053
0054 class G4RDEMDataSet : public G4RDVEMDataSet
0055 {
0056 public:
0057   G4RDEMDataSet(G4int argZ,
0058           G4RDVDataSetAlgorithm* algo,
0059           G4double xUnit=CLHEP::MeV,
0060           G4double yUnit=CLHEP::barn,
0061               G4bool random=false);
0062
0063   G4RDEMDataSet(G4int argZ,
0064           G4DataVector* xData,
0065           G4DataVector* data,
0066           G4RDVDataSetAlgorithm* algo,
0067           G4double xUnit=CLHEP::MeV,
0068           G4double yUnit=CLHEP::barn,
0069           G4bool random=false);
0070
0071   virtual ~G4RDEMDataSet();
0072
0073   virtual G4double FindValue(G4double x, G4int componentId=0) const;
0074
0075   virtual void PrintData(void) const;
0076
0077   virtual const G4RDVEMDataSet* GetComponent(G4int /* componentId */) const { return 0; }
0078
0079   virtual void AddComponent(G4RDVEMDataSet* /* dataSet */) {}
0080
0081   virtual size_t NumberOfComponents(void) const { return 0; }
0082
0083   virtual const G4DataVector& GetEnergies(G4int /* componentId */) const { return *energies; }
0084   virtual const G4DataVector& GetData(G4int /* componentId */) const { return *data; }
0085   virtual void SetEnergiesData(G4DataVector* xData, G4DataVector* data, G4int componentId);
0086
0087   virtual G4bool LoadData(const G4String& fileName);
0088   virtual G4bool SaveData(const G4String& fileName) const;
0089
0090   virtual G4double RandomSelect(G4int componentId = 0) const;
0091
0092
0093 private:
0094
0095   size_t FindLowerBound(G4double energy) const;
0096   size_t FindLowerBound(G4double x, G4DataVector* values) const;
0097
0098   G4double IntegrationFunction(G4double x);
0099
0100   virtual void BuildPdf();
0101
0102   G4String FullFileName(const G4String& fileName) const;
0103
0104   // Hide copy constructor and assignment operator
0105   G4RDEMDataSet();
0106   G4RDEMDataSet(const G4RDEMDataSet& copy);
0107   G4RDEMDataSet& operator=(const G4RDEMDataSet& right);
0108
0109   G4int z;
0110
0111   G4DataVector* energies;            // Owned pointer
0112   G4DataVector* data;                // Owned pointer
0113
0114   G4RDVDataSetAlgorithm* algorithm;    // Owned pointer
0115
0116   G4double unitEnergies;
0117   G4double unitData;
0118
0119   G4DataVector* pdf;
0120   G4bool randomSet;
0121 };
0122 #endif /* G4EMDATASET_HH */