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25 // 25 //
>> 26 // $Id: G4EmMultiModel.cc,v 1.5 2006/06/29 19:55:03 gunter Exp $
>> 27 // GEANT4 tag $Name: geant4-08-02 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4EmMultiModel 34 // File name: G4EmMultiModel
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 03.05.2004 38 // Creation date: 03.05.2004
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 15-04-05 optimize internal interface (V.Iva 41 // 15-04-05 optimize internal interface (V.Ivanchenko)
40 // 04-07-10 updated interfaces according to g4 << 42 //
>> 43
>> 44 // Class Description:
>> 45 //
>> 46 // Energy loss model using several G4VEmModels
>> 47
>> 48 // -------------------------------------------------------------------
41 // 49 //
42 50
43 51
44 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
45 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 54
47 #include "G4EmMultiModel.hh" 55 #include "G4EmMultiModel.hh"
48 #include "Randomize.hh" 56 #include "Randomize.hh"
49 #include "G4EmParameters.hh" <<
50 57
51 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
52 59
53 G4EmMultiModel::G4EmMultiModel(const G4String& 60 G4EmMultiModel::G4EmMultiModel(const G4String& nam)
54 : G4VEmModel(nam) << 61 : G4VEmModel(nam),
>> 62 nModels(0)
55 { 63 {
56 model.clear(); 64 model.clear();
>> 65 tsecmin.clear();
57 cross_section.clear(); 66 cross_section.clear();
58 } 67 }
59 68
60 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 70
62 G4EmMultiModel::~G4EmMultiModel() = default; << 71 G4EmMultiModel::~G4EmMultiModel()
63 <<
64 //....oooOO0OOooo........oooOO0OOooo........oo <<
65 <<
66 void G4EmMultiModel::AddModel(G4VEmModel* p) <<
67 { 72 {
68 cross_section.push_back(0.0); << 73 if(nModels) {
69 model.push_back(p); << 74 for(G4int i=0; i<nModels; i++) {
70 ++nModels; << 75 delete model[i];
>> 76 }
>> 77 }
71 } 78 }
72 79
73 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74 81
75 void G4EmMultiModel::Initialise(const G4Partic 82 void G4EmMultiModel::Initialise(const G4ParticleDefinition* p,
76 const G4DataVe 83 const G4DataVector& cuts)
77 { 84 {
78 G4EmParameters* param = G4EmParameters::Inst << 85 if(nModels) {
79 G4int verb = IsMaster() ? param->Verbose() : << 86 for(G4int i=0; i<nModels; i++) {
80 if(verb > 0) { << 87 (model[i])->Initialise(p, cuts);
81 G4cout << "### Initialisation of EM MultiM << 88 }
82 << " including following list of " << nMo <<
83 } <<
84 for(G4int i=0; i<nModels; ++i) { <<
85 G4cout << " " << (model[i])->GetName(); <<
86 (model[i])->SetParticleChange(pParticleCha <<
87 (model[i])->Initialise(p, cuts); <<
88 } 89 }
89 if(verb > 0) { G4cout << G4endl; } <<
90 } 90 }
91 91
92 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
93 93
94 G4double G4EmMultiModel::ComputeDEDXPerVolume( << 94 G4double G4EmMultiModel::MinEnergyCut(const G4ParticleDefinition* p,
95 const G4ParticleDefinition* p, << 95 const G4MaterialCutsCouple* couple)
96 G4double kineticEnergy, << 96 {
97 G4double cutEnergy) << 97 G4double cut = DBL_MAX;
>> 98 if(nModels) {
>> 99 cut = (model[0])->MinEnergyCut(p, couple);
>> 100 }
>> 101 return cut;
>> 102 }
>> 103
>> 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 105
>> 106 G4double G4EmMultiModel::ComputeDEDX(const G4MaterialCutsCouple* couple,
>> 107 const G4ParticleDefinition* p,
>> 108 G4double kineticEnergy,
>> 109 G4double cutEnergy)
98 { 110 {
99 G4double dedx = 0.0; << 111 G4double dedx = 0.0;
100 for(G4int i=0; i<nModels; ++i) { << 112
101 dedx += (model[i])->ComputeDEDXPerVolume(m << 113 if(nModels) {
>> 114 dedx = (model[0])->ComputeDEDX(couple, p, cutEnergy, kineticEnergy);
102 } 115 }
103 116
104 return dedx; 117 return dedx;
105 } 118 }
106 119
107 //....oooOO0OOooo........oooOO0OOooo........oo 120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
108 121
109 G4double G4EmMultiModel::ComputeCrossSectionPe << 122 G4double G4EmMultiModel::CrossSection(const G4MaterialCutsCouple* couple,
110 << 123 const G4ParticleDefinition* p,
111 << 124 G4double kineticEnergy,
112 << 125 G4double cutEnergy,
113 << 126 G4double maxKinEnergy)
114 << 127 {
115 { << 128 G4double cross = 0.0;
116 G4double cross = 0.0; << 129 G4double t1 = cutEnergy;
117 for(G4int i=0; i<nModels; ++i) { << 130 G4double t2 = cutEnergy;
118 (model[i])->SetCurrentCouple(CurrentCouple << 131 if(nModels) {
119 cross += (model[i])->ComputeCrossSectionPe << 132 for(G4int i=0; i<nModels; i++) {
120 cutEnergy, maxEnergy); << 133 t1 = std::max(t2, tsecmin[i]);
>> 134 t2 = std::min(maxKinEnergy, tsecmin[i+1]);
>> 135 cross += (model[i])->CrossSection(couple, p, kineticEnergy, t1, t2);
>> 136 }
121 } 137 }
122 return cross; 138 return cross;
123 } 139 }
124 140
125 //....oooOO0OOooo........oooOO0OOooo........oo 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
126 142
127 void G4EmMultiModel::SampleSecondaries(std::ve << 143 std::vector<G4DynamicParticle*>* G4EmMultiModel::SampleSecondaries(
128 const G << 144 const G4MaterialCutsCouple* couple,
129 const G << 145 const G4DynamicParticle* dp,
130 G4doubl << 146 G4double tmin,
131 G4doubl << 147 G4double maxEnergy)
132 { 148 {
133 SetCurrentCouple(couple); << 149 std::vector<G4DynamicParticle*>* vdp = 0;
134 if(nModels > 0) { << 150
>> 151 if(nModels) {
135 G4int i; 152 G4int i;
136 G4double cross = 0.0; 153 G4double cross = 0.0;
137 for(i=0; i<nModels; ++i) { << 154 G4double t1 = tmin;
138 cross += (model[i])->CrossSection(couple << 155 G4double t2 = tmin;
139 dp->Ge << 156 for(i=0; i<nModels; i++) {
>> 157 t1 = std::max(t2, tsecmin[i]);
>> 158 t2 = std::min(maxEnergy, tsecmin[i+1]);
>> 159 cross += (model[i])->CrossSection(couple, dp->GetDefinition(),
>> 160 dp->GetKineticEnergy(), t1, t2);
140 cross_section[i] = cross; 161 cross_section[i] = cross;
141 } 162 }
142 163
143 cross *= G4UniformRand(); 164 cross *= G4UniformRand();
>> 165 t2 = tmin;
144 166
145 for(i=0; i<nModels; ++i) { << 167 for(i=0; i<nModels; i++) {
>> 168 t1 = std::max(t2, tsecmin[i]);
>> 169 t2 = std::min(maxEnergy, tsecmin[i+1]);
146 if(cross <= cross_section[i]) { 170 if(cross <= cross_section[i]) {
147 (model[i])->SampleSecondaries(vdp, cou << 171 vdp = (model[i])->SampleSecondaries(couple, dp, t1, t2);
148 return; << 172 break;
>> 173 }
>> 174 }
>> 175 }
>> 176
>> 177 return vdp;
>> 178 }
>> 179
>> 180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 181
>> 182 G4double G4EmMultiModel:: MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 183 G4double kinEnergy)
>> 184 {
>> 185 G4cout << "Warning! G4EmMultiModel::"
>> 186 << "MaxSecondaryEnergy(const G4ParticleDefinition*,G4double kinEnergy)"
>> 187 << " should not be used!" << G4endl;
>> 188 return kinEnergy;
>> 189 }
>> 190
>> 191 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 192
>> 193 void G4EmMultiModel::DefineForRegion(const G4Region* r)
>> 194 {
>> 195 if(nModels) {
>> 196 for(G4int i=0; i<nModels; i++) {(model[i])->DefineForRegion(r);}
>> 197 }
>> 198 }
>> 199
>> 200 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 201
>> 202 void G4EmMultiModel::AddModel(G4VEmModel* p, G4double tmin, G4double tmax)
>> 203 {
>> 204 if(tmin < tmax && 0.0 < tmin) {
>> 205
>> 206 if(nModels == 0) {
>> 207 tsecmin.push_back(tmin);
>> 208 tsecmin.push_back(tmax);
>> 209 cross_section.push_back(0.0);
>> 210 model.push_back(p);
>> 211 nModels++;
>> 212
>> 213 } else {
>> 214 G4int i, j;
>> 215 G4bool increment = false;
>> 216 for(i=0; i<nModels; i++) {
>> 217
>> 218 if(tmin < tsecmin[i]) {
>> 219 G4double t2 = std::min(tsecmin[i+1],tmax);
>> 220 if(tmin < t2) {
>> 221 tsecmin.push_back(0.0);
>> 222 cross_section.push_back(0.0);
>> 223 model.push_back(0);
>> 224 for(j=nModels; j>i; j--) {
>> 225 model[j] = model[j-1];
>> 226 tsecmin[j+1] = tsecmin[j];
>> 227 }
>> 228 model[i] = p;
>> 229 tsecmin[i+1] = t2;
>> 230 tsecmin[i] = tmin;
>> 231 increment = true;
>> 232 }
>> 233 } else if(i == nModels-1) {
>> 234 G4double t1 = std::min(tsecmin[i+1],tmin);
>> 235 G4double t2 = std::max(tsecmin[i+1],tmax);
>> 236 if(t1 < t2) {
>> 237 tsecmin.push_back(t2);
>> 238 cross_section.push_back(0.0);
>> 239 model.push_back(p);
>> 240 increment = true;
>> 241 }
>> 242 }
149 } 243 }
>> 244 if(increment) nModels++;
150 } 245 }
151 } 246 }
152 } 247 }
153 248
154 //....oooOO0OOooo........oooOO0OOooo........oo 249 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
155 250
156 251