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25 // 25 //
>> 26 // $Id: G4EmElementSelector.hh,v 1.2 2008/07/22 15:55:15 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02-patch-03 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header file
30 // 32 //
31 // 33 //
32 // File name: G4EmElementSelector 34 // File name: G4EmElementSelector
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 29.05.2008 38 // Creation date: 29.05.2008
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 42 //
41 // Class Description: 43 // Class Description:
42 // 44 //
43 // Generic helper class for the random selecti 45 // Generic helper class for the random selection of an element
44 46
45 // ------------------------------------------- 47 // -------------------------------------------------------------------
46 // 48 //
47 49
48 #ifndef G4EmElementSelector_h 50 #ifndef G4EmElementSelector_h
49 #define G4EmElementSelector_h 1 51 #define G4EmElementSelector_h 1
50 52
51 #include "globals.hh" 53 #include "globals.hh"
52 #include "G4ParticleDefinition.hh" 54 #include "G4ParticleDefinition.hh"
53 #include "G4Material.hh" 55 #include "G4Material.hh"
54 #include "G4Element.hh" 56 #include "G4Element.hh"
55 #include "G4ElementVector.hh" 57 #include "G4ElementVector.hh"
56 #include "G4PhysicsLogVector.hh" 58 #include "G4PhysicsLogVector.hh"
57 #include "Randomize.hh" 59 #include "Randomize.hh"
58 #include <vector> 60 #include <vector>
59 61
60 class G4VEmModel; 62 class G4VEmModel;
61 63
62 class G4EmElementSelector 64 class G4EmElementSelector
63 { 65 {
64 66
65 public: 67 public:
66 68
67 G4EmElementSelector(G4VEmModel*, const G4Mat 69 G4EmElementSelector(G4VEmModel*, const G4Material*, G4int bins,
68 G4double emin, G4double << 70 G4double emin, G4double emax,
69 G4bool spline = true); << 71 G4bool spline = true);
70 72
71 ~G4EmElementSelector(); 73 ~G4EmElementSelector();
72 74
73 void Initialise(const G4ParticleDefinition*, 75 void Initialise(const G4ParticleDefinition*, G4double cut = 0.0);
74 76
75 void Dump(const G4ParticleDefinition* p = nu << 77 void Dump(const G4ParticleDefinition* p = 0);
76 78
77 const G4Element* SelectRandomAtom(const G4do << 79 inline const G4Element* SelectRandomAtom(G4double kineticEnergy);
78 const G4do <<
79 <<
80 inline const G4Element* SelectRandomAtom(G4d <<
81 80
82 inline const G4Material* GetMaterial() const 81 inline const G4Material* GetMaterial() const;
83 82
84 // hide assignment operator <<
85 G4EmElementSelector & operator=(const G4EmE <<
86 G4EmElementSelector(const G4EmElementSelect <<
87 <<
88 private: 83 private:
89 84
>> 85 // hide assignment operator
>> 86 G4EmElementSelector & operator=(const G4EmElementSelector &right);
>> 87 G4EmElementSelector(const G4EmElementSelector&);
>> 88
90 G4VEmModel* model; 89 G4VEmModel* model;
91 const G4Material* material; 90 const G4Material* material;
92 const G4ElementVector* theElementVector; 91 const G4ElementVector* theElementVector;
93 92
94 G4int nElmMinusOne; 93 G4int nElmMinusOne;
95 G4int nbins; 94 G4int nbins;
96 95
97 G4double cutEnergy; 96 G4double cutEnergy;
98 G4double lowEnergy; 97 G4double lowEnergy;
99 G4double highEnergy; 98 G4double highEnergy;
100 99
101 std::vector<G4PhysicsLogVector*> xSections; 100 std::vector<G4PhysicsLogVector*> xSections;
102 101
103 }; 102 };
104 103
105 //....oooOO0OOooo........oooOO0OOooo........oo 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
106 //....oooOO0OOooo........oooOO0OOooo........oo 105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
107 106
108 inline const G4Element* G4EmElementSelector::S << 107 inline const G4Element* G4EmElementSelector::SelectRandomAtom(G4double e)
109 { 108 {
110 const G4Element* element = (*theElementVecto << 109 const G4Element* elm = (*theElementVector)[nElmMinusOne];
111 if (nElmMinusOne > 0) { 110 if (nElmMinusOne > 0) {
>> 111 G4bool b;
112 G4double x = G4UniformRand(); 112 G4double x = G4UniformRand();
113 size_t idx(0); << 113 for(G4int i=0; i<nElmMinusOne; i++) {
114 for(G4int i=0; i<nElmMinusOne; ++i) { << 114 if (x <= (xSections[i])->GetValue(e,b)) {
115 if (x <= (xSections[i])->Value(e, idx)) << 115 elm = (*theElementVector)[i];
116 element = (*theElementVector)[i]; << 116 break;
117 break; <<
118 } 117 }
119 } 118 }
120 } 119 }
121 return element; << 120 return elm;
122 } 121 }
123 <<
124 //....oooOO0OOooo........oooOO0OOooo........oo <<
125 122
126 inline const G4Material* G4EmElementSelector:: 123 inline const G4Material* G4EmElementSelector::GetMaterial() const
127 { 124 {
128 return material; 125 return material;
129 } 126 }
130 127
131 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
132 129
133 #endif 130 #endif
134 131
135 132