G4CrossSectionDataSet.hh

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00025 //
00026 //
00027 // $Id$
00028 //
00029 // Author: Riccardo Capra <capra@ge.infn.it>
00030 //
00031 // History:
00032 // -----------
00033 // 30 Jun 2005  RC                  Created
00034 // 14 Oct 2007  MGP                 Removed inheritance from concrete class G4ShellEMDataSet
00035 // 15 Jul 2009  N.A.Karakatsanis    New methods added for loading logarithmic data
00036 //                                  to enhance computing performance of interpolation
00037 //
00038 // -------------------------------------------------------------------
00039 
00040 // Class description:
00041 // Low Energy Electromagnetic Physics
00042 // Data set for an electromagnetic physics process
00043 // A strategy pattern is used to encapsulate algorithms for data interpolation
00044 // Further documentation available from http://www.ge.infn.it/geant4/lowE
00045 
00046 // -------------------------------------------------------------------
00047 
00048 #ifndef  G4CrossSectionDataSet_HH
00049 #define  G4CrossSectionDataSet_HH 1
00050 
00051 #include <CLHEP/Units/SystemOfUnits.h>
00052 
00053 #include "G4ShellEMDataSet.hh"
00054 
00055 class G4CrossSectionDataSet : public G4VEMDataSet
00056 { 
00057 
00058 public:
00059   G4CrossSectionDataSet(G4VDataSetAlgorithm* algo, 
00060                            G4double xUnit=CLHEP::MeV, 
00061                            G4double dataUnit=CLHEP::barn);
00062 
00063   virtual ~G4CrossSectionDataSet();
00064 
00065   virtual G4double FindValue(G4double e, G4int componentId=0) const;
00066   
00067   virtual void PrintData(void) const;
00068 
00069   virtual const G4VEMDataSet*  GetComponent(G4int componentId) const 
00070   { return components[componentId]; }
00071 
00072   virtual void AddComponent(G4VEMDataSet* dataSet) 
00073   { components.push_back(dataSet); }
00074 
00075   virtual size_t NumberOfComponents(void) const 
00076   { return components.size(); }
00077 
00078   virtual const G4DataVector& GetEnergies(G4int componentId) const 
00079   { return GetComponent(componentId)->GetEnergies(0); }
00080 
00081   virtual const G4DataVector& GetData(G4int componentId) const 
00082   { return GetComponent(componentId)->GetData(0); }
00083 
00084   virtual const G4DataVector& GetLogEnergies(G4int componentId) const 
00085   { return GetComponent(componentId)->GetLogEnergies(0); }
00086 
00087   virtual const G4DataVector& GetLogData(G4int componentId) const 
00088   { return GetComponent(componentId)->GetLogData(0); }
00089 
00090   virtual void SetEnergiesData(G4DataVector* x, G4DataVector* values, G4int componentId);
00091 
00092   virtual void SetLogEnergiesData(G4DataVector* x,
00093                                   G4DataVector* values,
00094                                   G4DataVector* log_x, 
00095                                   G4DataVector* log_values,
00096                                   G4int componentId);
00097 
00098   virtual G4bool LoadData(const G4String & argFileName);
00099   virtual G4bool LoadNonLogData(const G4String & argFileName);
00100 
00101   virtual G4bool SaveData(const G4String & argFileName) const;
00102  
00103   virtual G4double RandomSelect(G4int /*componentId */) const { return -1.; };
00104 
00105 
00106   //   void CleanUpComponents();
00107    
00108 private:
00109 
00110   G4String FullFileName(const G4String & argFileName) const;
00111 
00112   // Hide copy constructor and assignment operator 
00113   G4CrossSectionDataSet();
00114   G4CrossSectionDataSet(const G4CrossSectionDataSet & copy);
00115   G4CrossSectionDataSet& operator=(const G4CrossSectionDataSet & right);
00116 
00117   std::vector<G4VEMDataSet*> components;          // Owned pointers
00118 
00119   G4int z;
00120 
00121   G4VDataSetAlgorithm* algorithm;           // Owned pointer 
00122   
00123   G4double unitEnergies;
00124   G4double unitData; 
00125 
00126   G4double GetUnitEnergies() const { return unitEnergies; }
00127   G4double GetUnitData() const { return unitData; }
00128   const G4VDataSetAlgorithm* GetAlgorithm() const { return algorithm; }
00129    
00130   void CleanUpComponents(void);
00131 
00132 
00133 };
00134 #endif /* G4CrossSectionDataSet_HH */

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