Geant4  10.03
G4VCrossSectionHandler.hh
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27 // $Id: G4VCrossSectionHandler.hh 66241 2012-12-13 18:34:42Z gunter $
28 //
29 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
30 //
31 // History:
32 // -----------
33 // 16 Sep 2001 MGP Created
34 // 26 Sep 2001 V.Ivanchenko Hide copy constructor and assignement operator
35 // 18 Apr 2002 V.Ivanchenko Move member function ValueForMaterial to public
36 // 21 Jan 2003 V.Ivanchenko Cut per region
37 // 15 Jul 2009 N.A.Karakatsanis New methods added for loading logarithmic data
38 // to enhance computing performance of interpolation
39 //
40 // -------------------------------------------------------------------
41 
42 // Class description:
43 // Low Energy Electromagnetic Physics
44 // Base class for cross section manager for an electromagnetic physics process
45 
46 // -------------------------------------------------------------------
47 
48 #ifndef G4VCROSSSECTIONHANDLER_HH
49 #define G4VCROSSSECTIONHANDLER_HH 1
50 
51 #include <map>
52 #include <vector>
53 #include <CLHEP/Units/SystemOfUnits.h>
54 
55 #include "globals.hh"
56 #include "G4DataVector.hh"
57 #include "G4MaterialCutsCouple.hh"
58 
60 class G4VEMDataSet;
61 class G4Material;
62 class G4Element;
63 
65 
66 public:
67 
69 
71  G4double minE = 250*CLHEP::eV,
72  G4double maxE = 100*CLHEP::GeV,
73  G4int nBins = 200,
74  G4double unitE = CLHEP::MeV,
75  G4double unitData = CLHEP::barn,
76  G4int minZ = 1, G4int maxZ = 99);
77 
78  virtual ~G4VCrossSectionHandler();
79 
80  void Initialise(G4VDataSetAlgorithm* interpolation = 0,
81  G4double minE = 250*CLHEP::eV,
82  G4double maxE = 100*CLHEP::GeV,
83  G4int numberOfBins = 200,
84  G4double unitE = CLHEP::MeV,
85  G4double unitData = CLHEP::barn,
86  G4int minZ = 1, G4int maxZ = 99);
87 
88  G4int SelectRandomAtom(const G4MaterialCutsCouple* couple, G4double e) const;
89 
90  const G4Element* SelectRandomElement(const G4MaterialCutsCouple* material,
91  G4double e) const;
92 
94 
96 
97  G4double FindValue(G4int Z, G4double e) const;
98 
99  G4double FindValue(G4int Z, G4double e, G4int shellIndex) const;
100 
101  G4double ValueForMaterial(const G4Material* material, G4double e) const;
102 
103  void LoadData(const G4String& dataFile);
104 
105  void LoadNonLogData(const G4String& dataFile);
106 
107  void LoadShellData(const G4String& dataFile);
108 
109  void PrintData() const;
110 
111  void Clear();
112 
113 protected:
114 
115  G4int NumberOfComponents(G4int Z) const;
116 
117  void ActiveElements();
118 
119  // Factory method
120  virtual std::vector<G4VEMDataSet*>* BuildCrossSectionsForMaterials(const G4DataVector& energyVector,
121  const G4DataVector* energyCuts = 0) = 0;
122 
123  // Factory method
125 
127 
128 
129 private:
130 
131  // Hide copy constructor and assignment operator
134 
136 
140 
143 
146 
148 
149  std::map<G4int,G4VEMDataSet*,std::less<G4int> > dataMap;
150 
151  std::vector<G4VEMDataSet*>* crossSections;
152 };
153 
154 #endif
155 
156 
157 
158 
159 
160 
161 
162 
163 
164 
165 
virtual std::vector< G4VEMDataSet * > * BuildCrossSectionsForMaterials(const G4DataVector &energyVector, const G4DataVector *energyCuts=0)=0
G4VCrossSectionHandler & operator=(const G4VCrossSectionHandler &right)
G4int SelectRandomShell(G4int Z, G4double e) const
int G4int
Definition: G4Types.hh:78
G4double ValueForMaterial(const G4Material *material, G4double e) const
G4int NumberOfComponents(G4int Z) const
G4double FindValue(G4int Z, G4double e) const
const G4VDataSetAlgorithm * GetInterpolation() const
static constexpr double eV
Definition: G4SIunits.hh:215
std::vector< G4VEMDataSet * > * crossSections
G4VEMDataSet * BuildMeanFreePathForMaterials(const G4DataVector *energyCuts=0)
void LoadShellData(const G4String &dataFile)
std::map< G4int, G4VEMDataSet *, std::less< G4int > > dataMap
G4VDataSetAlgorithm * interpolation
void Initialise(G4VDataSetAlgorithm *interpolation=0, G4double minE=250 *CLHEP::eV, G4double maxE=100 *CLHEP::GeV, G4int numberOfBins=200, G4double unitE=CLHEP::MeV, G4double unitData=CLHEP::barn, G4int minZ=1, G4int maxZ=99)
void LoadNonLogData(const G4String &dataFile)
void LoadData(const G4String &dataFile)
static constexpr double GeV
Definition: G4SIunits.hh:217
const G4Element * SelectRandomElement(const G4MaterialCutsCouple *material, G4double e) const
static constexpr double MeV
Definition: G4SIunits.hh:214
virtual G4VDataSetAlgorithm * CreateInterpolation()
double G4double
Definition: G4Types.hh:76
static constexpr double barn
Definition: G4SIunits.hh:105
G4int SelectRandomAtom(const G4MaterialCutsCouple *couple, G4double e) const