| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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10 // * 10 // * *
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12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
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15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // 27 //
28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@ 28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
29 // 29 //
30 // History: 30 // History:
31 // ----------- 31 // -----------
32 // 1 Aug 2001 MGP Created 32 // 1 Aug 2001 MGP Created
33 // 19 Jul 2002 VI Create composite d 33 // 19 Jul 2002 VI Create composite data set for material
34 // 24 Apr 2003 VI Cut per region mfp 34 // 24 Apr 2003 VI Cut per region mfpt
35 // 35 //
36 // 15 Jul 2009 Nicolas A. Karakatsanis 36 // 15 Jul 2009 Nicolas A. Karakatsanis
37 // 37 //
38 // - BuildCrossSecti 38 // - BuildCrossSectionForMaterials method was revised in order to calculate the
39 // logarithmic val 39 // logarithmic values of the loaded data.
40 // It retrieves th 40 // It retrieves the data values from the G4EMLOW data files but, then, calculates the
41 // respective log 41 // respective log values and loads them to seperate data structures.
42 // The EM data set 42 // The EM data sets, initialized this way, contain both non-log and log values.
43 // These initializ 43 // These initialized data sets can enhance the computing performance of data interpolation
44 // operations 44 // operations
45 // 45 //
46 // ------------------------------------------- 46 // -------------------------------------------------------------------
47 47
48 #include "G4CrossSectionHandler.hh" 48 #include "G4CrossSectionHandler.hh"
49 #include "G4VDataSetAlgorithm.hh" 49 #include "G4VDataSetAlgorithm.hh"
50 #include "G4VEMDataSet.hh" 50 #include "G4VEMDataSet.hh"
51 #include "G4EMDataSet.hh" 51 #include "G4EMDataSet.hh"
52 #include "G4CompositeEMDataSet.hh" 52 #include "G4CompositeEMDataSet.hh"
53 #include "G4ShellEMDataSet.hh" 53 #include "G4ShellEMDataSet.hh"
54 #include "G4ProductionCutsTable.hh" 54 #include "G4ProductionCutsTable.hh"
55 #include "G4Material.hh" 55 #include "G4Material.hh"
56 #include "G4Element.hh" 56 #include "G4Element.hh"
57 #include "Randomize.hh" 57 #include "Randomize.hh"
58 #include <map> 58 #include <map>
59 #include <vector> 59 #include <vector>
60 60
61 #include "G4LogLogInterpolation.hh" 61 #include "G4LogLogInterpolation.hh"
62 62
63 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
64 64
65 G4CrossSectionHandler::G4CrossSectionHandler() 65 G4CrossSectionHandler::G4CrossSectionHandler()
66 { } 66 { }
67 67
68 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 69
70 G4CrossSectionHandler::~G4CrossSectionHandler( 70 G4CrossSectionHandler::~G4CrossSectionHandler()
71 { } 71 { }
72 72
73 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74 74
75 std::vector<G4VEMDataSet*>* 75 std::vector<G4VEMDataSet*>*
76 G4CrossSectionHandler::BuildCrossSectionsForMa 76 G4CrossSectionHandler::BuildCrossSectionsForMaterials(const G4DataVector& energyVector,
77 const G4DataVector*) 77 const G4DataVector*)
78 { 78 {
79 G4DataVector* energies; 79 G4DataVector* energies;
80 G4DataVector* data; 80 G4DataVector* data;
81 81
82 G4DataVector* log_energies; 82 G4DataVector* log_energies;
83 G4DataVector* log_data; 83 G4DataVector* log_data;
84 84
85 std::vector<G4VEMDataSet*>* matCrossSections 85 std::vector<G4VEMDataSet*>* matCrossSections = new std::vector<G4VEMDataSet*>;
86 86
87 const G4ProductionCutsTable* theCoupleTable= 87 const G4ProductionCutsTable* theCoupleTable=
88 G4ProductionCutsTable::GetProductionCu 88 G4ProductionCutsTable::GetProductionCutsTable();
89 G4int numOfCouples = (G4int)theCoupleTable-> << 89 size_t numOfCouples = theCoupleTable->GetTableSize();
90 90
91 std::size_t nOfBins = energyVector.size(); << 91 size_t nOfBins = energyVector.size();
92 const G4VDataSetAlgorithm* interpolationAlgo 92 const G4VDataSetAlgorithm* interpolationAlgo = CreateInterpolation();
93 93
94 for (G4int mLocal=0; mLocal<numOfCouples; ++ << 94 for (size_t mLocal=0; mLocal<numOfCouples; mLocal++)
95 { 95 {
96 const G4MaterialCutsCouple* couple = the 96 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(mLocal);
97 const G4Material* material= couple->GetM 97 const G4Material* material= couple->GetMaterial();
98 G4int nElements = (G4int)material->GetNu << 98 G4int nElements = material->GetNumberOfElements();
99 const G4ElementVector* elementVector = m 99 const G4ElementVector* elementVector = material->GetElementVector();
100 const G4double* nAtomsPerVolume = materi 100 const G4double* nAtomsPerVolume = material->GetAtomicNumDensityVector();
101 101
102 G4VDataSetAlgorithm* algo = interpolatio 102 G4VDataSetAlgorithm* algo = interpolationAlgo->Clone();
103 103
104 G4VEMDataSet* setForMat = new G4Composit 104 G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.);
105 105
106 for (G4int i=0; i<nElements; ++i) { << 106 for (G4int i=0; i<nElements; i++) {
107 107
108 G4int Z = (G4int) (*elementVector)[i]- 108 G4int Z = (G4int) (*elementVector)[i]->GetZ();
109 G4double density = nAtomsPerVolume[i]; 109 G4double density = nAtomsPerVolume[i];
110 110
111 energies = new G4DataVector; 111 energies = new G4DataVector;
112 data = new G4DataVector; 112 data = new G4DataVector;
113 113
114 log_energies = new G4DataVector; 114 log_energies = new G4DataVector;
115 log_data = new G4DataVector; 115 log_data = new G4DataVector;
116 116
117 for (std::size_t bin=0; bin<nOfBins; + << 117 for (size_t bin=0; bin<nOfBins; bin++)
118 { 118 {
119 G4double e = energyVector[bin]; 119 G4double e = energyVector[bin];
120 energies->push_back(e); 120 energies->push_back(e);
121 if (e==0.) e=1e-300; 121 if (e==0.) e=1e-300;
122 log_energies->push_back(std::log10 122 log_energies->push_back(std::log10(e));
123 G4double cross = density*FindValue(Z,e); 123 G4double cross = density*FindValue(Z,e);
124 data->push_back(cross); 124 data->push_back(cross);
125 if (cross==0.) cross=1e-300; 125 if (cross==0.) cross=1e-300;
126 log_data->push_back(std::log10(cro 126 log_data->push_back(std::log10(cross));
127 } 127 }
128 128
129 G4VDataSetAlgorithm* algo1 = interpola 129 G4VDataSetAlgorithm* algo1 = interpolationAlgo->Clone();
130 G4VEMDataSet* elSet = new G4EMDataSet( 130 G4VEMDataSet* elSet = new G4EMDataSet(i,energies,data,log_energies,log_data,algo1,1.,1.);
131 131
132 setForMat->AddComponent(elSet); 132 setForMat->AddComponent(elSet);
133 } 133 }
134 134
135 matCrossSections->push_back(setForMat); 135 matCrossSections->push_back(setForMat);
136 } 136 }
137 delete interpolationAlgo; 137 delete interpolationAlgo;
138 return matCrossSections; 138 return matCrossSections;
139 } 139 }
140 140
141 141