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25 // 25 //
>> 26 // $Id: G4EmMultiModel.cc,v 1.6 2007/05/22 17:31:58 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-00-patch-01 $
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 void G4EmMultiModel::SampleSecondaries(std::vector<G4DynamicParticle*>* vdp,
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); <<
134 if(nModels > 0) { 149 if(nModels > 0) {
135 G4int i; 150 G4int i;
136 G4double cross = 0.0; 151 G4double cross = 0.0;
137 for(i=0; i<nModels; ++i) { << 152 G4double t1 = tmin;
138 cross += (model[i])->CrossSection(couple << 153 G4double t2 = tmin;
139 dp->Ge << 154 for(i=0; i<nModels; i++) {
>> 155 t1 = std::max(t2, tsecmin[i]);
>> 156 t2 = std::min(maxEnergy, tsecmin[i+1]);
>> 157 cross += (model[i])->CrossSection(couple, dp->GetDefinition(),
>> 158 dp->GetKineticEnergy(), t1, t2);
140 cross_section[i] = cross; 159 cross_section[i] = cross;
141 } 160 }
142 161
143 cross *= G4UniformRand(); 162 cross *= G4UniformRand();
>> 163 t2 = tmin;
144 164
145 for(i=0; i<nModels; ++i) { << 165 for(i=0; i<nModels; i++) {
>> 166 t1 = std::max(t2, tsecmin[i]);
>> 167 t2 = std::min(maxEnergy, tsecmin[i+1]);
146 if(cross <= cross_section[i]) { 168 if(cross <= cross_section[i]) {
147 (model[i])->SampleSecondaries(vdp, cou << 169 (model[i])->SampleSecondaries(vdp, couple, dp, t1, t2);
148 return; << 170 break;
>> 171 }
>> 172 }
>> 173 }
>> 174 }
>> 175
>> 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 177
>> 178 G4double G4EmMultiModel:: MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 179 G4double kinEnergy)
>> 180 {
>> 181 G4cout << "Warning! G4EmMultiModel::"
>> 182 << "MaxSecondaryEnergy(const G4ParticleDefinition*,G4double kinEnergy)"
>> 183 << " should not be used!" << G4endl;
>> 184 return kinEnergy;
>> 185 }
>> 186
>> 187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 188
>> 189 void G4EmMultiModel::DefineForRegion(const G4Region* r)
>> 190 {
>> 191 if(nModels) {
>> 192 for(G4int i=0; i<nModels; i++) {(model[i])->DefineForRegion(r);}
>> 193 }
>> 194 }
>> 195
>> 196 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 197
>> 198 void G4EmMultiModel::AddModel(G4VEmModel* p, G4double tmin, G4double tmax)
>> 199 {
>> 200 if(tmin < tmax && 0.0 < tmin) {
>> 201
>> 202 if(nModels == 0) {
>> 203 tsecmin.push_back(tmin);
>> 204 tsecmin.push_back(tmax);
>> 205 cross_section.push_back(0.0);
>> 206 model.push_back(p);
>> 207 nModels++;
>> 208
>> 209 } else {
>> 210 G4int i, j;
>> 211 G4bool increment = false;
>> 212 for(i=0; i<nModels; i++) {
>> 213
>> 214 if(tmin < tsecmin[i]) {
>> 215 G4double t2 = std::min(tsecmin[i+1],tmax);
>> 216 if(tmin < t2) {
>> 217 tsecmin.push_back(0.0);
>> 218 cross_section.push_back(0.0);
>> 219 model.push_back(0);
>> 220 for(j=nModels; j>i; j--) {
>> 221 model[j] = model[j-1];
>> 222 tsecmin[j+1] = tsecmin[j];
>> 223 }
>> 224 model[i] = p;
>> 225 tsecmin[i+1] = t2;
>> 226 tsecmin[i] = tmin;
>> 227 increment = true;
>> 228 }
>> 229 } else if(i == nModels-1) {
>> 230 G4double t1 = std::min(tsecmin[i+1],tmin);
>> 231 G4double t2 = std::max(tsecmin[i+1],tmax);
>> 232 if(t1 < t2) {
>> 233 tsecmin.push_back(t2);
>> 234 cross_section.push_back(0.0);
>> 235 model.push_back(p);
>> 236 increment = true;
>> 237 }
>> 238 }
149 } 239 }
>> 240 if(increment) nModels++;
150 } 241 }
151 } 242 }
152 } 243 }
153 244
154 //....oooOO0OOooo........oooOO0OOooo........oo 245 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
155 246
156 247