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G4CrossSectionDataSet.hh
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25 //
26 //
27 //
28 // Author: Riccardo Capra <capra@ge.infn.it>
29 //
30 // History:
31 // -----------
32 // 30 Jun 2005 RC Created
33 // 14 Oct 2007 MGP Removed inheritance from concrete class G4ShellEMDataSet
34 // 15 Jul 2009 N.A.Karakatsanis New methods added for loading logarithmic data
35 // to enhance computing performance of interpolation
36 //
37 // -------------------------------------------------------------------
38 
39 // Class description:
40 // Low Energy Electromagnetic Physics
41 // Data set for an electromagnetic physics process
42 // A strategy pattern is used to encapsulate algorithms for data interpolation
43 // Further documentation available from http://www.ge.infn.it/geant4/lowE
44 
45 // -------------------------------------------------------------------
46 
47 #ifndef G4CrossSectionDataSet_HH
48 #define G4CrossSectionDataSet_HH 1
49 
50 #include <CLHEP/Units/SystemOfUnits.h>
51 
52 #include "G4ShellEMDataSet.hh"
53 
54 class G4CrossSectionDataSet : public G4VEMDataSet
55 {
56 
57 public:
58  G4CrossSectionDataSet(G4VDataSetAlgorithm* algo,
59  G4double xUnit=CLHEP::MeV,
60  G4double dataUnit=CLHEP::barn);
61 
62  virtual ~G4CrossSectionDataSet();
63 
64  virtual G4double FindValue(G4double e, G4int componentId=0) const;
65 
66  virtual void PrintData(void) const;
67 
68  virtual const G4VEMDataSet* GetComponent(G4int componentId) const
69  { return components[componentId]; }
70 
71  virtual void AddComponent(G4VEMDataSet* dataSet)
72  { components.push_back(dataSet); }
73 
74  virtual size_t NumberOfComponents(void) const
75  { return components.size(); }
76 
77  virtual const G4DataVector& GetEnergies(G4int componentId) const
78  { return GetComponent(componentId)->GetEnergies(0); }
79 
80  virtual const G4DataVector& GetData(G4int componentId) const
81  { return GetComponent(componentId)->GetData(0); }
82 
83  virtual const G4DataVector& GetLogEnergies(G4int componentId) const
84  { return GetComponent(componentId)->GetLogEnergies(0); }
85 
86  virtual const G4DataVector& GetLogData(G4int componentId) const
87  { return GetComponent(componentId)->GetLogData(0); }
88 
89  virtual void SetEnergiesData(G4DataVector* x, G4DataVector* values, G4int componentId);
90 
91  virtual void SetLogEnergiesData(G4DataVector* x,
92  G4DataVector* values,
93  G4DataVector* log_x,
94  G4DataVector* log_values,
95  G4int componentId);
96 
97  virtual G4bool LoadData(const G4String & argFileName);
98  virtual G4bool LoadNonLogData(const G4String & argFileName);
99 
100  virtual G4bool SaveData(const G4String & argFileName) const;
101 
102  virtual G4double RandomSelect(G4int /*componentId */) const { return -1.; };
103 
104 
105  // void CleanUpComponents();
106 
107 private:
108 
109  G4String FullFileName(const G4String & argFileName) const;
110 
111  // Hide copy constructor and assignment operator
112  G4CrossSectionDataSet();
113  G4CrossSectionDataSet(const G4CrossSectionDataSet & copy);
114  G4CrossSectionDataSet& operator=(const G4CrossSectionDataSet & right);
115 
116  std::vector<G4VEMDataSet*> components; // Owned pointers
117 
118  G4int z;
119 
120  G4VDataSetAlgorithm* algorithm; // Owned pointer
121 
122  G4double unitEnergies;
123  G4double unitData;
124 
125  G4double GetUnitEnergies() const { return unitEnergies; }
126  G4double GetUnitData() const { return unitData; }
127  const G4VDataSetAlgorithm* GetAlgorithm() const { return algorithm; }
128 
129  void CleanUpComponents(void);
130 
131 
132 };
133 #endif /* G4CrossSectionDataSet_HH */