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1 //
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24 // ********************************************************************
25 //
26 //
27 //
28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
29 //
30 // History:
31 // -----------
32 // 31 Jul 2001 MGP Created
33 //
34 // 15 Jul 2009 N.A.Karakatsanis New methods added for loading logarithmic data
35 // to enhance computing performance of interpolation
36 // -------------------------------------------------------------------
37
38 // Class description:
39 // Low Energy Electromagnetic Physics
40 // Data set for an electromagnetic physics process
41 // A strategy pattern is used to encapsulate algorithms for data interpolation
42 // -------------------------------------------------------------------
43
44 #ifndef G4EMDATASET_HH
45 #define G4EMDATASET_HH 1
46
47 #include <CLHEP/Units/SystemOfUnits.h>
48 #include "globals.hh"
49 #include "G4VEMDataSet.hh"
50
51 class G4VDataSetAlgorithm;
52
53 class G4EMDataSet : public G4VEMDataSet
54 {
55 public:
56 explicit G4EMDataSet(G4int argZ,
57 G4VDataSetAlgorithm* algo,
58 G4double xUnit=CLHEP::MeV,
59 G4double yUnit=CLHEP::barn,
60 G4bool random=false);
61
62 explicit G4EMDataSet(G4int argZ,
63 G4DataVector* xData,
64 G4DataVector* data,
65 G4VDataSetAlgorithm* algo,
66 G4double xUnit=CLHEP::MeV,
67 G4double yUnit=CLHEP::barn,
68 G4bool random=false);
69
70 explicit G4EMDataSet(G4int argZ,
71 G4DataVector* xData,
72 G4DataVector* data,
73 G4DataVector* xLogData,
74 G4DataVector* Logdata,
75 G4VDataSetAlgorithm* algo,
76 G4double xUnit=CLHEP::MeV,
77 G4double yUnit=CLHEP::barn,
78 G4bool random=false);
79
80 virtual ~G4EMDataSet();
81
82 virtual G4double FindValue(G4double x, G4int componentId=0) const;
83
84 virtual void PrintData(void) const;
85
86 virtual const G4VEMDataSet* GetComponent(G4int /* componentId */) const { return 0; }
87
88 virtual void AddComponent(G4VEMDataSet* /* dataSet */) {}
89
90 virtual std::size_t NumberOfComponents(void) const { return 0; }
91
92 virtual const G4DataVector& GetEnergies(G4int /* componentId */) const { return *energies; }
93 virtual const G4DataVector& GetData(G4int /* componentId */) const { return *data; }
94 virtual const G4DataVector& GetLogEnergies(G4int /* componentId */) const { return *log_energies; }
95 virtual const G4DataVector& GetLogData(G4int /* componentId */) const { return *log_data; }
96
97 virtual void SetEnergiesData(G4DataVector* xData, G4DataVector* data, G4int componentId);
98 virtual void SetLogEnergiesData(G4DataVector* xData,
99 G4DataVector* data,
100 G4DataVector* xLogData,
101 G4DataVector* Logdata,
102 G4int componentId);
103
104
105 virtual G4bool LoadData(const G4String& fileName);
106 virtual G4bool LoadNonLogData(const G4String& fileName);
107
108 virtual G4bool SaveData(const G4String& fileName) const;
109
110 virtual G4double RandomSelect(G4int componentId = 0) const;
111
112
113 private:
114
115 std::size_t FindLowerBound(G4double energy) const;
116 std::size_t FindLowerBound(G4double x, G4DataVector* values) const;
117
118 G4double IntegrationFunction(G4double x);
119 virtual void BuildPdf();
120 G4String FullFileName(const G4String& fileName) const;
121
122 // Hide copy constructor and assignment operator
123 explicit G4EMDataSet();
124 G4EMDataSet(const G4EMDataSet& copy) = delete;
125 G4EMDataSet& operator=(const G4EMDataSet& right) = delete;
126
127 G4DataVector* energies; // Owned pointer
128 G4DataVector* data; // Owned pointer
129 G4DataVector* log_energies; // Owned pointer
130 G4DataVector* log_data; // Owned pointer
131 G4VDataSetAlgorithm* algorithm; // Owned pointer
132 G4DataVector* pdf;
133
134 G4double unitEnergies;
135 G4double unitData;
136
137 G4int z;
138 G4bool randomSet;
139 };
140 #endif /* G4EMDATASET_HH */
141