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25 // 22 //
>> 23 // $Id: G4EmMultiModel.cc,v 1.4 2005/04/15 11:40:46 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-07-01-patch-01 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class file 28 // GEANT4 Class file
30 // 29 //
31 // 30 //
32 // File name: G4EmMultiModel 31 // File name: G4EmMultiModel
33 // 32 //
34 // Author: Vladimir Ivanchenko 33 // Author: Vladimir Ivanchenko
35 // 34 //
36 // Creation date: 03.05.2004 35 // Creation date: 03.05.2004
37 // 36 //
38 // Modifications: 37 // Modifications:
39 // 15-04-05 optimize internal interface (V.Iva 38 // 15-04-05 optimize internal interface (V.Ivanchenko)
40 // 04-07-10 updated interfaces according to g4 << 39 //
>> 40
>> 41 // Class Description:
>> 42 //
>> 43 // Energy loss model using several G4VEmModels
>> 44
>> 45 // -------------------------------------------------------------------
41 // 46 //
42 47
43 48
44 //....oooOO0OOooo........oooOO0OOooo........oo 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
45 //....oooOO0OOooo........oooOO0OOooo........oo 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 51
47 #include "G4EmMultiModel.hh" 52 #include "G4EmMultiModel.hh"
48 #include "Randomize.hh" 53 #include "Randomize.hh"
49 #include "G4EmParameters.hh" <<
50 54
51 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
52 56
53 G4EmMultiModel::G4EmMultiModel(const G4String& 57 G4EmMultiModel::G4EmMultiModel(const G4String& nam)
54 : G4VEmModel(nam) << 58 : G4VEmModel(nam),
>> 59 nModels(0)
55 { 60 {
56 model.clear(); 61 model.clear();
>> 62 tsecmin.clear();
57 cross_section.clear(); 63 cross_section.clear();
58 } 64 }
59 65
60 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 67
62 G4EmMultiModel::~G4EmMultiModel() = default; << 68 G4EmMultiModel::~G4EmMultiModel()
63 <<
64 //....oooOO0OOooo........oooOO0OOooo........oo <<
65 <<
66 void G4EmMultiModel::AddModel(G4VEmModel* p) <<
67 { 69 {
68 cross_section.push_back(0.0); << 70 if(nModels) {
69 model.push_back(p); << 71 for(G4int i=0; i<nModels; i++) {
70 ++nModels; << 72 delete model[i];
>> 73 }
>> 74 }
71 } 75 }
72 76
73 //....oooOO0OOooo........oooOO0OOooo........oo 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74 78
75 void G4EmMultiModel::Initialise(const G4Partic 79 void G4EmMultiModel::Initialise(const G4ParticleDefinition* p,
76 const G4DataVe 80 const G4DataVector& cuts)
77 { 81 {
78 G4EmParameters* param = G4EmParameters::Inst << 82 if(nModels) {
79 G4int verb = IsMaster() ? param->Verbose() : << 83 for(G4int i=0; i<nModels; i++) {
80 if(verb > 0) { << 84 (model[i])->Initialise(p, cuts);
81 G4cout << "### Initialisation of EM MultiM << 85 }
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 } 86 }
89 if(verb > 0) { G4cout << G4endl; } <<
90 } 87 }
91 88
92 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
93 90
94 G4double G4EmMultiModel::ComputeDEDXPerVolume( << 91 G4double G4EmMultiModel::MinEnergyCut(const G4ParticleDefinition* p,
95 const G4ParticleDefinition* p, << 92 const G4MaterialCutsCouple* couple)
96 G4double kineticEnergy, << 93 {
97 G4double cutEnergy) << 94 G4double cut = DBL_MAX;
>> 95 if(nModels) {
>> 96 cut = (model[0])->MinEnergyCut(p, couple);
>> 97 }
>> 98 return cut;
>> 99 }
>> 100
>> 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 102
>> 103 G4double G4EmMultiModel::ComputeDEDX(const G4MaterialCutsCouple* couple,
>> 104 const G4ParticleDefinition* p,
>> 105 G4double kineticEnergy,
>> 106 G4double cutEnergy)
98 { 107 {
99 G4double dedx = 0.0; << 108 G4double dedx = 0.0;
100 for(G4int i=0; i<nModels; ++i) { << 109
101 dedx += (model[i])->ComputeDEDXPerVolume(m << 110 if(nModels) {
>> 111 dedx = (model[0])->ComputeDEDX(couple, p, cutEnergy, kineticEnergy);
102 } 112 }
103 113
104 return dedx; 114 return dedx;
105 } 115 }
106 116
107 //....oooOO0OOooo........oooOO0OOooo........oo 117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
108 118
109 G4double G4EmMultiModel::ComputeCrossSectionPe << 119 G4double G4EmMultiModel::CrossSection(const G4MaterialCutsCouple* couple,
110 << 120 const G4ParticleDefinition* p,
111 << 121 G4double kineticEnergy,
112 << 122 G4double cutEnergy,
113 << 123 G4double maxKinEnergy)
114 << 124 {
115 { << 125 G4double cross = 0.0;
116 G4double cross = 0.0; << 126 G4double t1 = cutEnergy;
117 for(G4int i=0; i<nModels; ++i) { << 127 G4double t2 = cutEnergy;
118 (model[i])->SetCurrentCouple(CurrentCouple << 128 if(nModels) {
119 cross += (model[i])->ComputeCrossSectionPe << 129 for(G4int i=0; i<nModels; i++) {
120 cutEnergy, maxEnergy); << 130 t1 = std::max(t2, tsecmin[i]);
>> 131 t2 = std::min(maxKinEnergy, tsecmin[i+1]);
>> 132 cross += (model[i])->CrossSection(couple, p, kineticEnergy, t1, t2);
>> 133 }
121 } 134 }
122 return cross; 135 return cross;
123 } 136 }
124 137
125 //....oooOO0OOooo........oooOO0OOooo........oo 138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
126 139
127 void G4EmMultiModel::SampleSecondaries(std::ve << 140 std::vector<G4DynamicParticle*>* G4EmMultiModel::SampleSecondaries(
128 const G << 141 const G4MaterialCutsCouple* couple,
129 const G << 142 const G4DynamicParticle* dp,
130 G4doubl << 143 G4double tmin,
131 G4doubl << 144 G4double maxEnergy)
132 { 145 {
133 SetCurrentCouple(couple); << 146 std::vector<G4DynamicParticle*>* vdp = 0;
134 if(nModels > 0) { << 147
>> 148 if(nModels) {
135 G4int i; 149 G4int i;
136 G4double cross = 0.0; 150 G4double cross = 0.0;
137 for(i=0; i<nModels; ++i) { << 151 G4double t1 = tmin;
138 cross += (model[i])->CrossSection(couple << 152 G4double t2 = tmin;
139 dp->Ge << 153 for(i=0; i<nModels; i++) {
>> 154 t1 = std::max(t2, tsecmin[i]);
>> 155 t2 = std::min(maxEnergy, tsecmin[i+1]);
>> 156 cross += (model[i])->CrossSection(couple, dp->GetDefinition(),
>> 157 dp->GetKineticEnergy(), t1, t2);
140 cross_section[i] = cross; 158 cross_section[i] = cross;
141 } 159 }
142 160
143 cross *= G4UniformRand(); 161 cross *= G4UniformRand();
>> 162 t2 = tmin;
144 163
145 for(i=0; i<nModels; ++i) { << 164 for(i=0; i<nModels; i++) {
>> 165 t1 = std::max(t2, tsecmin[i]);
>> 166 t2 = std::min(maxEnergy, tsecmin[i+1]);
146 if(cross <= cross_section[i]) { 167 if(cross <= cross_section[i]) {
147 (model[i])->SampleSecondaries(vdp, cou << 168 vdp = (model[i])->SampleSecondaries(couple, dp, t1, t2);
148 return; << 169 break;
>> 170 }
>> 171 }
>> 172 }
>> 173
>> 174 return vdp;
>> 175 }
>> 176
>> 177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 178
>> 179 G4double G4EmMultiModel:: MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 180 G4double kinEnergy)
>> 181 {
>> 182 G4cout << "Warning! G4EmMultiModel::"
>> 183 << "MaxSecondaryEnergy(const G4ParticleDefinition*,G4double kinEnergy)"
>> 184 << " should not be used!" << G4endl;
>> 185 return kinEnergy;
>> 186 }
>> 187
>> 188 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 189
>> 190 void G4EmMultiModel::DefineForRegion(const G4Region* r)
>> 191 {
>> 192 if(nModels) {
>> 193 for(G4int i=0; i<nModels; i++) {(model[i])->DefineForRegion(r);}
>> 194 }
>> 195 }
>> 196
>> 197 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 198
>> 199 void G4EmMultiModel::AddModel(G4VEmModel* p, G4double tmin, G4double tmax)
>> 200 {
>> 201 if(tmin < tmax && 0.0 < tmin) {
>> 202
>> 203 if(nModels == 0) {
>> 204 tsecmin.push_back(tmin);
>> 205 tsecmin.push_back(tmax);
>> 206 cross_section.push_back(0.0);
>> 207 model.push_back(p);
>> 208 nModels++;
>> 209
>> 210 } else {
>> 211 G4int i, j;
>> 212 G4bool increment = false;
>> 213 for(i=0; i<nModels; i++) {
>> 214
>> 215 if(tmin < tsecmin[i]) {
>> 216 G4double t2 = std::min(tsecmin[i+1],tmax);
>> 217 if(tmin < t2) {
>> 218 tsecmin.push_back(0.0);
>> 219 cross_section.push_back(0.0);
>> 220 model.push_back(0);
>> 221 for(j=nModels; j>i; j--) {
>> 222 model[j] = model[j-1];
>> 223 tsecmin[j+1] = tsecmin[j];
>> 224 }
>> 225 model[i] = p;
>> 226 tsecmin[i+1] = t2;
>> 227 tsecmin[i] = tmin;
>> 228 increment = true;
>> 229 }
>> 230 } else if(i == nModels-1) {
>> 231 G4double t1 = std::min(tsecmin[i+1],tmin);
>> 232 G4double t2 = std::max(tsecmin[i+1],tmax);
>> 233 if(t1 < t2) {
>> 234 tsecmin.push_back(t2);
>> 235 cross_section.push_back(0.0);
>> 236 model.push_back(p);
>> 237 increment = true;
>> 238 }
>> 239 }
149 } 240 }
>> 241 if(increment) nModels++;
150 } 242 }
151 } 243 }
152 } 244 }
153 245
154 //....oooOO0OOooo........oooOO0OOooo........oo 246 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
155 247
156 248