| Geant4 Cross Reference |
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25 // 25 //
26 // 26 //
>> 27 // $Id: G4CrossSectionHandler.cc,v 1.18 2006/06/29 19:38:48 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-patch-01 $
27 // 29 //
28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@ 30 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
29 // 31 //
30 // History: 32 // History:
31 // ----------- 33 // -----------
32 // 1 Aug 2001 MGP Created 34 // 1 Aug 2001 MGP Created
33 // 19 Jul 2002 VI Create composite d 35 // 19 Jul 2002 VI Create composite data set for material
34 // 24 Apr 2003 VI Cut per region mfp 36 // 24 Apr 2003 VI Cut per region mfpt
35 // 37 //
36 // 15 Jul 2009 Nicolas A. Karakatsanis <<
37 // <<
38 // - BuildCrossSecti <<
39 // logarithmic val <<
40 // It retrieves th <<
41 // respective log <<
42 // The EM data set <<
43 // These initializ <<
44 // operations <<
45 // <<
46 // ------------------------------------------- 38 // -------------------------------------------------------------------
47 39
48 #include "G4CrossSectionHandler.hh" 40 #include "G4CrossSectionHandler.hh"
49 #include "G4VDataSetAlgorithm.hh" 41 #include "G4VDataSetAlgorithm.hh"
50 #include "G4VEMDataSet.hh" 42 #include "G4VEMDataSet.hh"
51 #include "G4EMDataSet.hh" 43 #include "G4EMDataSet.hh"
52 #include "G4CompositeEMDataSet.hh" 44 #include "G4CompositeEMDataSet.hh"
53 #include "G4ShellEMDataSet.hh" 45 #include "G4ShellEMDataSet.hh"
54 #include "G4ProductionCutsTable.hh" 46 #include "G4ProductionCutsTable.hh"
55 #include "G4Material.hh" 47 #include "G4Material.hh"
56 #include "G4Element.hh" 48 #include "G4Element.hh"
57 #include "Randomize.hh" 49 #include "Randomize.hh"
58 #include <map> 50 #include <map>
59 #include <vector> 51 #include <vector>
60 52
61 #include "G4LogLogInterpolation.hh" 53 #include "G4LogLogInterpolation.hh"
62 54
63 //....oooOO0OOooo........oooOO0OOooo........oo <<
64 <<
65 G4CrossSectionHandler::G4CrossSectionHandler() 55 G4CrossSectionHandler::G4CrossSectionHandler()
66 { } 56 { }
67 57
68 //....oooOO0OOooo........oooOO0OOooo........oo <<
69 <<
70 G4CrossSectionHandler::~G4CrossSectionHandler( 58 G4CrossSectionHandler::~G4CrossSectionHandler()
71 { } 59 { }
72 60
73 //....oooOO0OOooo........oooOO0OOooo........oo <<
74 <<
75 std::vector<G4VEMDataSet*>* 61 std::vector<G4VEMDataSet*>*
76 G4CrossSectionHandler::BuildCrossSectionsForMa 62 G4CrossSectionHandler::BuildCrossSectionsForMaterials(const G4DataVector& energyVector,
77 const G4DataVector*) 63 const G4DataVector*)
78 { 64 {
79 G4DataVector* energies; 65 G4DataVector* energies;
80 G4DataVector* data; 66 G4DataVector* data;
81 67
82 G4DataVector* log_energies; <<
83 G4DataVector* log_data; <<
84 <<
85 std::vector<G4VEMDataSet*>* matCrossSections 68 std::vector<G4VEMDataSet*>* matCrossSections = new std::vector<G4VEMDataSet*>;
86 69
87 const G4ProductionCutsTable* theCoupleTable= 70 const G4ProductionCutsTable* theCoupleTable=
88 G4ProductionCutsTable::GetProductionCu 71 G4ProductionCutsTable::GetProductionCutsTable();
89 G4int numOfCouples = (G4int)theCoupleTable-> << 72 size_t numOfCouples = theCoupleTable->GetTableSize();
90 73
91 std::size_t nOfBins = energyVector.size(); << 74 size_t nOfBins = energyVector.size();
92 const G4VDataSetAlgorithm* interpolationAlgo 75 const G4VDataSetAlgorithm* interpolationAlgo = CreateInterpolation();
93 76
94 for (G4int mLocal=0; mLocal<numOfCouples; ++ << 77 for (size_t m=0; m<numOfCouples; m++)
95 { 78 {
96 const G4MaterialCutsCouple* couple = the << 79 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(m);
97 const G4Material* material= couple->GetM 80 const G4Material* material= couple->GetMaterial();
98 G4int nElements = (G4int)material->GetNu << 81 G4int nElements = material->GetNumberOfElements();
99 const G4ElementVector* elementVector = m 82 const G4ElementVector* elementVector = material->GetElementVector();
100 const G4double* nAtomsPerVolume = materi 83 const G4double* nAtomsPerVolume = material->GetAtomicNumDensityVector();
101 84
102 G4VDataSetAlgorithm* algo = interpolatio 85 G4VDataSetAlgorithm* algo = interpolationAlgo->Clone();
103 86
104 G4VEMDataSet* setForMat = new G4Composit 87 G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.);
105 88
106 for (G4int i=0; i<nElements; ++i) { << 89 for (G4int i=0; i<nElements; i++) {
107 90
108 G4int Z = (G4int) (*elementVector)[i]- 91 G4int Z = (G4int) (*elementVector)[i]->GetZ();
109 G4double density = nAtomsPerVolume[i]; 92 G4double density = nAtomsPerVolume[i];
110 93
111 energies = new G4DataVector; 94 energies = new G4DataVector;
112 data = new G4DataVector; 95 data = new G4DataVector;
113 96
114 log_energies = new G4DataVector; <<
115 log_data = new G4DataVector; <<
116 97
117 for (std::size_t bin=0; bin<nOfBins; + << 98 for (size_t bin=0; bin<nOfBins; bin++)
118 { 99 {
119 G4double e = energyVector[bin]; 100 G4double e = energyVector[bin];
120 energies->push_back(e); 101 energies->push_back(e);
121 if (e==0.) e=1e-300; <<
122 log_energies->push_back(std::log10 <<
123 G4double cross = density*FindValue(Z,e); 102 G4double cross = density*FindValue(Z,e);
124 data->push_back(cross); 103 data->push_back(cross);
125 if (cross==0.) cross=1e-300; <<
126 log_data->push_back(std::log10(cro <<
127 } 104 }
128 105
129 G4VDataSetAlgorithm* algo1 = interpola 106 G4VDataSetAlgorithm* algo1 = interpolationAlgo->Clone();
130 G4VEMDataSet* elSet = new G4EMDataSet( << 107 G4VEMDataSet* elSet = new G4EMDataSet(i,energies,data,algo1,1.,1.);
131 <<
132 setForMat->AddComponent(elSet); 108 setForMat->AddComponent(elSet);
133 } 109 }
134 110
135 matCrossSections->push_back(setForMat); 111 matCrossSections->push_back(setForMat);
136 } 112 }
137 delete interpolationAlgo; <<
138 return matCrossSections; 113 return matCrossSections;
139 } 114 }
140 115
141 116