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25 // 25 //
26 // G4AdjointPrimaryGeneratorAction implementat 26 // G4AdjointPrimaryGeneratorAction implementation
27 // 27 //
28 // ------------------------------------------- 28 // --------------------------------------------------------------------
29 // Class Name: G4AdjointPrimaryGeneratorAc 29 // Class Name: G4AdjointPrimaryGeneratorAction
30 // Author: L. Desorgher, 2007-2009 30 // Author: L. Desorgher, 2007-2009
31 // Organisation: SpaceIT GmbH 31 // Organisation: SpaceIT GmbH
32 // Contract: ESA contract 21435/08/NL/AT 32 // Contract: ESA contract 21435/08/NL/AT
33 // Customer: ESA/ESTEC 33 // Customer: ESA/ESTEC
34 // ------------------------------------------- 34 // --------------------------------------------------------------------
35 35
36 #include "G4AdjointPrimaryGeneratorAction.hh" 36 #include "G4AdjointPrimaryGeneratorAction.hh"
37 37
38 #include "G4AdjointPrimaryGenerator.hh" 38 #include "G4AdjointPrimaryGenerator.hh"
39 #include "G4AdjointSimManager.hh" 39 #include "G4AdjointSimManager.hh"
40 #include "G4Event.hh" 40 #include "G4Event.hh"
41 #include "G4Gamma.hh" 41 #include "G4Gamma.hh"
42 #include "G4ParticleDefinition.hh" 42 #include "G4ParticleDefinition.hh"
43 #include "G4ParticleTable.hh" 43 #include "G4ParticleTable.hh"
44 #include "G4PhysicalConstants.hh" 44 #include "G4PhysicalConstants.hh"
45 45
46 // ------------------------------------------- 46 // --------------------------------------------------------------------
47 // 47 //
48 G4AdjointPrimaryGeneratorAction::G4AdjointPrim 48 G4AdjointPrimaryGeneratorAction::G4AdjointPrimaryGeneratorAction()
49 { 49 {
50 theAdjointPrimaryGenerator = new G4AdjointPr 50 theAdjointPrimaryGenerator = new G4AdjointPrimaryGenerator();
51 51
52 PrimariesConsideredInAdjointSim[G4String("e- 52 PrimariesConsideredInAdjointSim[G4String("e-")] = false;
53 PrimariesConsideredInAdjointSim[G4String("ga 53 PrimariesConsideredInAdjointSim[G4String("gamma")] = false;
54 PrimariesConsideredInAdjointSim[G4String("pr 54 PrimariesConsideredInAdjointSim[G4String("proton")] = false;
55 PrimariesConsideredInAdjointSim[G4String("io 55 PrimariesConsideredInAdjointSim[G4String("ion")] = false;
56 56
57 ListOfPrimaryFwdParticles.clear(); 57 ListOfPrimaryFwdParticles.clear();
58 ListOfPrimaryAdjParticles.clear(); 58 ListOfPrimaryAdjParticles.clear();
59 } 59 }
60 60
61 // ------------------------------------------- 61 // --------------------------------------------------------------------
62 // 62 //
63 G4AdjointPrimaryGeneratorAction::~G4AdjointPri 63 G4AdjointPrimaryGeneratorAction::~G4AdjointPrimaryGeneratorAction()
64 { 64 {
65 delete theAdjointPrimaryGenerator; 65 delete theAdjointPrimaryGenerator;
66 } 66 }
67 67
68 // ------------------------------------------- 68 // --------------------------------------------------------------------
69 // 69 //
70 void G4AdjointPrimaryGeneratorAction::Generate 70 void G4AdjointPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71 { 71 {
72 G4int evt_id = anEvent->GetEventID(); 72 G4int evt_id = anEvent->GetEventID();
73 std::size_t n = ListOfPrimaryAdjParticles.si 73 std::size_t n = ListOfPrimaryAdjParticles.size();
74 index_particle = std::size_t(evt_id) - n * ( 74 index_particle = std::size_t(evt_id) - n * (std::size_t(evt_id) / n);
75 75
76 G4double E1 = Emin; 76 G4double E1 = Emin;
77 G4double E2 = Emax; 77 G4double E2 = Emax;
78 if (ListOfPrimaryAdjParticles[index_particle 78 if (ListOfPrimaryAdjParticles[index_particle] == nullptr)
79 UpdateListOfPrimaryParticles(); // ion ha 79 UpdateListOfPrimaryParticles(); // ion has not been created yet
80 80
81 if (ListOfPrimaryAdjParticles[index_particle 81 if (ListOfPrimaryAdjParticles[index_particle]->GetParticleName() == "adj_proton") {
82 E1 = EminIon; 82 E1 = EminIon;
83 E2 = EmaxIon; 83 E2 = EmaxIon;
84 } 84 }
85 if (ListOfPrimaryAdjParticles[index_particle 85 if (ListOfPrimaryAdjParticles[index_particle]->GetParticleType() == "adjoint_nucleus") {
86 G4int A = ListOfPrimaryAdjParticles[index_ 86 G4int A = ListOfPrimaryAdjParticles[index_particle]->GetAtomicMass();
87 E1 = EminIon * A; 87 E1 = EminIon * A;
88 E2 = EmaxIon * A; 88 E2 = EmaxIon * A;
89 } 89 }
90 // Generate first the forwrad primaries 90 // Generate first the forwrad primaries
91 theAdjointPrimaryGenerator->GenerateFwdPrima 91 theAdjointPrimaryGenerator->GenerateFwdPrimaryVertex(
92 anEvent, ListOfPrimaryFwdParticles[index_p 92 anEvent, ListOfPrimaryFwdParticles[index_particle], E1, E2);
93 G4PrimaryVertex* fwdPrimVertex = anEvent->Ge 93 G4PrimaryVertex* fwdPrimVertex = anEvent->GetPrimaryVertex();
94 94
95 p = fwdPrimVertex->GetPrimary()->GetMomentum 95 p = fwdPrimVertex->GetPrimary()->GetMomentum();
96 pos = fwdPrimVertex->GetPosition(); 96 pos = fwdPrimVertex->GetPosition();
97 G4double pmag = p.mag(); 97 G4double pmag = p.mag();
98 G4double m0 = ListOfPrimaryFwdParticles[inde 98 G4double m0 = ListOfPrimaryFwdParticles[index_particle]->GetPDGMass();
99 G4double ekin = std::sqrt(m0 * m0 + pmag * p 99 G4double ekin = std::sqrt(m0 * m0 + pmag * pmag) - m0;
100 100
101 G4double weight_correction = 1.; 101 G4double weight_correction = 1.;
102 // For gamma generate the particle along the 102 // For gamma generate the particle along the backward ray
103 G4ThreeVector dir = -p / p.mag(); 103 G4ThreeVector dir = -p / p.mag();
104 104
105 weight_correction = 1.; 105 weight_correction = 1.;
106 106
107 if (ListOfPrimaryFwdParticles[index_particle 107 if (ListOfPrimaryFwdParticles[index_particle] == G4Gamma::Gamma() && nb_fwd_gammas_per_event > 1)
108 { 108 {
109 G4double weight = (1. / nb_fwd_gammas_per_ 109 G4double weight = (1. / nb_fwd_gammas_per_event);
110 fwdPrimVertex->SetWeight(weight); 110 fwdPrimVertex->SetWeight(weight);
111 for (G4int i = 0; i < nb_fwd_gammas_per_ev 111 for (G4int i = 0; i < nb_fwd_gammas_per_event - 1; ++i) {
112 auto newFwdPrimVertex = new G4PrimaryVer 112 auto newFwdPrimVertex = new G4PrimaryVertex();
113 newFwdPrimVertex->SetPosition(pos.x(), p 113 newFwdPrimVertex->SetPosition(pos.x(), pos.y(), pos.z());
114 newFwdPrimVertex->SetT0(0.); 114 newFwdPrimVertex->SetT0(0.);
115 auto aPrimParticle = 115 auto aPrimParticle =
116 new G4PrimaryParticle(ListOfPrimaryFwd 116 new G4PrimaryParticle(ListOfPrimaryFwdParticles[index_particle], p.x(), p.y(), p.z());
117 newFwdPrimVertex->SetPrimary(aPrimPartic 117 newFwdPrimVertex->SetPrimary(aPrimParticle);
118 newFwdPrimVertex->SetWeight(weight); 118 newFwdPrimVertex->SetWeight(weight);
119 anEvent->AddPrimaryVertex(newFwdPrimVert 119 anEvent->AddPrimaryVertex(newFwdPrimVertex);
120 } 120 }
121 } 121 }
122 122
123 // Now generate the adjoint primaries 123 // Now generate the adjoint primaries
124 auto adjPrimVertex = new G4PrimaryVertex(); 124 auto adjPrimVertex = new G4PrimaryVertex();
125 adjPrimVertex->SetPosition(pos.x(), pos.y(), 125 adjPrimVertex->SetPosition(pos.x(), pos.y(), pos.z());
126 adjPrimVertex->SetT0(0.); 126 adjPrimVertex->SetT0(0.);
127 auto aPrimParticle = 127 auto aPrimParticle =
128 new G4PrimaryParticle(ListOfPrimaryAdjPart 128 new G4PrimaryParticle(ListOfPrimaryAdjParticles[index_particle], -p.x(), -p.y(), -p.z());
129 129
130 adjPrimVertex->SetPrimary(aPrimParticle); 130 adjPrimVertex->SetPrimary(aPrimParticle);
131 anEvent->AddPrimaryVertex(adjPrimVertex); 131 anEvent->AddPrimaryVertex(adjPrimVertex);
132 132
133 // The factor pi is to normalise the weight 133 // The factor pi is to normalise the weight to the directional flux
134 G4double adjoint_source_area = G4AdjointSimM 134 G4double adjoint_source_area = G4AdjointSimManager::GetInstance()->GetAdjointSourceArea();
135 G4double adjoint_weight = 135 G4double adjoint_weight =
136 weight_correction * ComputeEnergyDistWeigh 136 weight_correction * ComputeEnergyDistWeight(ekin, E1, E2) * adjoint_source_area * pi;
137 if (ListOfPrimaryAdjParticles[index_particle 137 if (ListOfPrimaryAdjParticles[index_particle]->GetParticleName() == "adj_gamma") {
138 // The weight will be corrected at the end 138 // The weight will be corrected at the end of the track if splitted tracks
139 // are used 139 // are used
140 adjoint_weight = adjoint_weight / nb_adj_p 140 adjoint_weight = adjoint_weight / nb_adj_primary_gammas_per_event;
141 for (G4int i = 0; i < nb_adj_primary_gamma 141 for (G4int i = 0; i < nb_adj_primary_gammas_per_event - 1; ++i) {
142 auto newAdjPrimVertex = new G4PrimaryVer 142 auto newAdjPrimVertex = new G4PrimaryVertex();
143 newAdjPrimVertex->SetPosition(pos.x(), p 143 newAdjPrimVertex->SetPosition(pos.x(), pos.y(), pos.z());
144 newAdjPrimVertex->SetT0(0.); 144 newAdjPrimVertex->SetT0(0.);
145 aPrimParticle = 145 aPrimParticle =
146 new G4PrimaryParticle(ListOfPrimaryAdj 146 new G4PrimaryParticle(ListOfPrimaryAdjParticles[index_particle], -p.x(), -p.y(), -p.z());
147 newAdjPrimVertex->SetPrimary(aPrimPartic 147 newAdjPrimVertex->SetPrimary(aPrimParticle);
148 newAdjPrimVertex->SetWeight(adjoint_weig 148 newAdjPrimVertex->SetWeight(adjoint_weight);
149 anEvent->AddPrimaryVertex(newAdjPrimVert 149 anEvent->AddPrimaryVertex(newAdjPrimVertex);
150 } 150 }
151 } 151 }
152 else if (ListOfPrimaryAdjParticles[index_par 152 else if (ListOfPrimaryAdjParticles[index_particle]->GetParticleName() == "adj_electron") {
153 // The weight will be corrected at the end 153 // The weight will be corrected at the end of the track if splitted tracks
154 // are used 154 // are used
155 adjoint_weight = adjoint_weight / nb_adj_p 155 adjoint_weight = adjoint_weight / nb_adj_primary_electrons_per_event;
156 for (G4int i = 0; i < nb_adj_primary_elect 156 for (G4int i = 0; i < nb_adj_primary_electrons_per_event - 1; ++i) {
157 auto newAdjPrimVertex = new G4PrimaryVer 157 auto newAdjPrimVertex = new G4PrimaryVertex();
158 newAdjPrimVertex->SetPosition(pos.x(), p 158 newAdjPrimVertex->SetPosition(pos.x(), pos.y(), pos.z());
159 newAdjPrimVertex->SetT0(0.); 159 newAdjPrimVertex->SetT0(0.);
160 aPrimParticle = 160 aPrimParticle =
161 new G4PrimaryParticle(ListOfPrimaryAdj 161 new G4PrimaryParticle(ListOfPrimaryAdjParticles[index_particle], -p.x(), -p.y(), -p.z());
162 newAdjPrimVertex->SetPrimary(aPrimPartic 162 newAdjPrimVertex->SetPrimary(aPrimParticle);
163 newAdjPrimVertex->SetWeight(adjoint_weig 163 newAdjPrimVertex->SetWeight(adjoint_weight);
164 anEvent->AddPrimaryVertex(newAdjPrimVert 164 anEvent->AddPrimaryVertex(newAdjPrimVertex);
165 } 165 }
166 } 166 }
167 adjPrimVertex->SetWeight(adjoint_weight); 167 adjPrimVertex->SetWeight(adjoint_weight);
168 168
169 // Call some methods of G4AdjointSimManager 169 // Call some methods of G4AdjointSimManager
170 G4AdjointSimManager::GetInstance()->SetAdjoi 170 G4AdjointSimManager::GetInstance()->SetAdjointTrackingMode(true);
171 G4AdjointSimManager::GetInstance()->ClearEnd 171 G4AdjointSimManager::GetInstance()->ClearEndOfAdjointTrackInfoVectors();
172 G4AdjointSimManager::GetInstance()->ResetDid 172 G4AdjointSimManager::GetInstance()->ResetDidOneAdjPartReachExtSourceDuringEvent();
173 } 173 }
174 174
175 // ------------------------------------------- 175 // --------------------------------------------------------------------
176 // 176 //
177 void G4AdjointPrimaryGeneratorAction::SetEmin( 177 void G4AdjointPrimaryGeneratorAction::SetEmin(G4double val)
178 { 178 {
179 Emin = val; 179 Emin = val;
180 EminIon = val; 180 EminIon = val;
181 } 181 }
182 182
183 // ------------------------------------------- 183 // --------------------------------------------------------------------
184 // 184 //
185 void G4AdjointPrimaryGeneratorAction::SetEmax( 185 void G4AdjointPrimaryGeneratorAction::SetEmax(G4double val)
186 { 186 {
187 Emax = val; 187 Emax = val;
188 EmaxIon = val; 188 EmaxIon = val;
189 } 189 }
190 190
191 // ------------------------------------------- 191 // --------------------------------------------------------------------
192 // 192 //
193 void G4AdjointPrimaryGeneratorAction::SetEminI 193 void G4AdjointPrimaryGeneratorAction::SetEminIon(G4double val)
194 { 194 {
195 EminIon = val; 195 EminIon = val;
196 } 196 }
197 197
198 // ------------------------------------------- 198 // --------------------------------------------------------------------
199 // 199 //
200 void G4AdjointPrimaryGeneratorAction::SetEmaxI 200 void G4AdjointPrimaryGeneratorAction::SetEmaxIon(G4double val)
201 { 201 {
202 EmaxIon = val; 202 EmaxIon = val;
203 } 203 }
204 204
205 // ------------------------------------------- 205 // --------------------------------------------------------------------
206 // 206 //
207 G4double G4AdjointPrimaryGeneratorAction::Comp 207 G4double G4AdjointPrimaryGeneratorAction::ComputeEnergyDistWeight(G4double E, G4double E1,
208 208 G4double E2)
209 { 209 {
210 // We generate N numbers of primaries with 210 // We generate N numbers of primaries with a 1/E energy law distribution.
211 // We have therefore an energy distribution 211 // We have therefore an energy distribution function
212 // f(E)=C/E (1) 212 // f(E)=C/E (1)
213 // with C a constant that is such that 213 // with C a constant that is such that
214 // N=Integral(f(E),E1,E2)=C.std::log(E2/E1 214 // N=Integral(f(E),E1,E2)=C.std::log(E2/E1) (2)
215 // Therefore from (2) we get 215 // Therefore from (2) we get
216 // C=N/ std::log(E2/E1) (3) 216 // C=N/ std::log(E2/E1) (3)
217 // and 217 // and
218 // f(E)=N/ std::log(E2/E1)/E (4) 218 // f(E)=N/ std::log(E2/E1)/E (4)
219 // For the adjoint simulation we need a ener 219 // For the adjoint simulation we need a energy distribution f'(E)=1..
220 // To get that we need therefore to apply a 220 // To get that we need therefore to apply a weight to the primary
221 // W=1/f(E)=E*std::log(E2/E1)/N 221 // W=1/f(E)=E*std::log(E2/E1)/N
222 // 222 //
223 return std::log(E2 / E1) * E / G4AdjointSimM 223 return std::log(E2 / E1) * E / G4AdjointSimManager::GetInstance()->GetNbEvtOfLastRun();
224 } 224 }
225 225
226 // ------------------------------------------- 226 // --------------------------------------------------------------------
227 // 227 //
228 void G4AdjointPrimaryGeneratorAction::SetSpher 228 void G4AdjointPrimaryGeneratorAction::SetSphericalAdjointPrimarySource(G4double radius,
229 229 G4ThreeVector center_pos)
230 { 230 {
231 radius_spherical_source = radius; 231 radius_spherical_source = radius;
232 center_spherical_source = center_pos; 232 center_spherical_source = center_pos;
233 type_of_adjoint_source = "Spherical"; 233 type_of_adjoint_source = "Spherical";
234 theAdjointPrimaryGenerator->SetSphericalAdjo 234 theAdjointPrimaryGenerator->SetSphericalAdjointPrimarySource(radius, center_pos);
235 } 235 }
236 236
237 // ------------------------------------------- 237 // --------------------------------------------------------------------
238 // 238 //
239 void G4AdjointPrimaryGeneratorAction::SetAdjoi 239 void G4AdjointPrimaryGeneratorAction::SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(
240 const G4String& volume_name) 240 const G4String& volume_name)
241 { 241 {
242 type_of_adjoint_source = "ExternalSurfaceOfA 242 type_of_adjoint_source = "ExternalSurfaceOfAVolume";
243 theAdjointPrimaryGenerator->SetAdjointPrimar 243 theAdjointPrimaryGenerator->SetAdjointPrimarySourceOnAnExtSurfaceOfAVolume(volume_name);
244 } 244 }
245 245
246 // ------------------------------------------- 246 // --------------------------------------------------------------------
247 // 247 //
248 void G4AdjointPrimaryGeneratorAction::Consider 248 void G4AdjointPrimaryGeneratorAction::ConsiderParticleAsPrimary(const G4String& particle_name)
249 { 249 {
250 if (PrimariesConsideredInAdjointSim.find(par 250 if (PrimariesConsideredInAdjointSim.find(particle_name) != PrimariesConsideredInAdjointSim.end())
251 { 251 {
252 PrimariesConsideredInAdjointSim[particle_n 252 PrimariesConsideredInAdjointSim[particle_name] = true;
253 } 253 }
254 UpdateListOfPrimaryParticles(); 254 UpdateListOfPrimaryParticles();
255 } 255 }
256 256
257 // ------------------------------------------- 257 // --------------------------------------------------------------------
258 // 258 //
259 void G4AdjointPrimaryGeneratorAction::NeglectP 259 void G4AdjointPrimaryGeneratorAction::NeglectParticleAsPrimary(const G4String& particle_name)
260 { 260 {
261 if (PrimariesConsideredInAdjointSim.find(par 261 if (PrimariesConsideredInAdjointSim.find(particle_name) != PrimariesConsideredInAdjointSim.end())
262 { 262 {
263 PrimariesConsideredInAdjointSim[particle_n 263 PrimariesConsideredInAdjointSim[particle_name] = false;
264 } 264 }
265 UpdateListOfPrimaryParticles(); 265 UpdateListOfPrimaryParticles();
266 } 266 }
267 267
268 // ------------------------------------------- 268 // --------------------------------------------------------------------
269 // 269 //
270 void G4AdjointPrimaryGeneratorAction::UpdateLi 270 void G4AdjointPrimaryGeneratorAction::UpdateListOfPrimaryParticles()
271 { 271 {
272 G4ParticleTable* theParticleTable = G4Partic 272 G4ParticleTable* theParticleTable = G4ParticleTable::GetParticleTable();
273 ListOfPrimaryFwdParticles.clear(); 273 ListOfPrimaryFwdParticles.clear();
274 ListOfPrimaryAdjParticles.clear(); 274 ListOfPrimaryAdjParticles.clear();
275 for (const auto& iter : PrimariesConsideredI 275 for (const auto& iter : PrimariesConsideredInAdjointSim) {
276 if (iter.second) { 276 if (iter.second) {
277 G4String fwd_particle_name = iter.first; 277 G4String fwd_particle_name = iter.first;
278 if (fwd_particle_name != "ion") { 278 if (fwd_particle_name != "ion") {
279 G4String adj_particle_name = G4String( 279 G4String adj_particle_name = G4String("adj_") + fwd_particle_name;
280 ListOfPrimaryFwdParticles.push_back(th 280 ListOfPrimaryFwdParticles.push_back(theParticleTable->FindParticle(fwd_particle_name));
281 ListOfPrimaryAdjParticles.push_back(th 281 ListOfPrimaryAdjParticles.push_back(theParticleTable->FindParticle(adj_particle_name));
282 } 282 }
283 else { 283 else {
284 if (fwd_ion != nullptr) { 284 if (fwd_ion != nullptr) {
285 ion_name = fwd_ion->GetParticleName( 285 ion_name = fwd_ion->GetParticleName();
286 G4String adj_ion_name = G4String("ad 286 G4String adj_ion_name = G4String("adj_") + ion_name;
287 ListOfPrimaryFwdParticles.push_back( 287 ListOfPrimaryFwdParticles.push_back(fwd_ion);
288 ListOfPrimaryAdjParticles.push_back( 288 ListOfPrimaryAdjParticles.push_back(adj_ion);
289 } 289 }
290 else { 290 else {
291 ListOfPrimaryFwdParticles.push_back( 291 ListOfPrimaryFwdParticles.push_back(nullptr);
292 ListOfPrimaryAdjParticles.push_back( 292 ListOfPrimaryAdjParticles.push_back(nullptr);
293 } 293 }
294 } 294 }
295 } 295 }
296 } 296 }
297 } 297 }
298 298
299 // ------------------------------------------- 299 // --------------------------------------------------------------------
300 // 300 //
301 void G4AdjointPrimaryGeneratorAction::SetPrima 301 void G4AdjointPrimaryGeneratorAction::SetPrimaryIon(G4ParticleDefinition* adjointIon,
302 302 G4ParticleDefinition* fwdIon)
303 { 303 {
304 fwd_ion = fwdIon; 304 fwd_ion = fwdIon;
305 adj_ion = adjointIon; 305 adj_ion = adjointIon;
306 UpdateListOfPrimaryParticles(); 306 UpdateListOfPrimaryParticles();
307 } 307 }
308 308