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25 // 25 //
>> 26 // $Id: G4VMultipleScattering.cc 81864 2014-06-06 11:30:54Z gcosmo $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4VMultipleScattering 33 // File name: G4VMultipleScattering
33 // 34 //
34 // Author: Vladimir Ivanchenko on base 35 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 36 //
36 // Creation date: 25.03.2003 37 // Creation date: 25.03.2003
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 40 //
>> 41 // 13.04.03 Change printout (V.Ivanchenko)
>> 42 // 04-06-03 Fix compilation warnings (V.Ivanchenko)
40 // 16-07-03 Use G4VMscModel interface (V.Ivanc 43 // 16-07-03 Use G4VMscModel interface (V.Ivanchenko)
41 // 03-11-03 Fix initialisation problem in Retr 44 // 03-11-03 Fix initialisation problem in RetrievePhysicsTable (V.Ivanchenko)
42 // 04-11-03 Update PrintInfoDefinition (V.Ivan 45 // 04-11-03 Update PrintInfoDefinition (V.Ivanchenko)
43 // 01-03-04 SampleCosineTheta signature change 46 // 01-03-04 SampleCosineTheta signature changed
44 // 22-04-04 SampleCosineTheta signature change 47 // 22-04-04 SampleCosineTheta signature changed back to original
45 // 27-08-04 Add InitialiseForRun method (V.Iva 48 // 27-08-04 Add InitialiseForRun method (V.Ivanchneko)
46 // 08-11-04 Migration to new interface of Stor 49 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
47 // 11-03-05 Shift verbose level by 1 (V.Ivantc 50 // 11-03-05 Shift verbose level by 1 (V.Ivantchenko)
48 // 15-04-05 optimize internal interface (V.Iva 51 // 15-04-05 optimize internal interface (V.Ivanchenko)
49 // 15-04-05 remove boundary flag (V.Ivanchenko 52 // 15-04-05 remove boundary flag (V.Ivanchenko)
50 // 27-10-05 introduce virtual function MscStep 53 // 27-10-05 introduce virtual function MscStepLimitation() (V.Ivanchenko)
51 // 12-04-07 Add verbosity at destruction (V.Iv 54 // 12-04-07 Add verbosity at destruction (V.Ivanchenko)
52 // 27-10-07 Virtual functions moved to source 55 // 27-10-07 Virtual functions moved to source (V.Ivanchenko)
53 // 11-03-08 Set skin value does not effect ste 56 // 11-03-08 Set skin value does not effect step limit type (V.Ivanchenko)
54 // 24-06-09 Removed hidden bin in G4PhysicsVec 57 // 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko)
55 // 04-06-13 Adoptation to MT mode (V.Ivanchenk 58 // 04-06-13 Adoptation to MT mode (V.Ivanchenko)
56 // 59 //
>> 60 // Class Description:
>> 61 //
>> 62 // It is the generic process of multiple scattering it includes common
>> 63 // part of calculations for all charged particles
57 64
58 // ------------------------------------------- 65 // -------------------------------------------------------------------
59 // 66 //
60 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 69
63 #include "G4VMultipleScattering.hh" 70 #include "G4VMultipleScattering.hh"
64 #include "G4PhysicalConstants.hh" 71 #include "G4PhysicalConstants.hh"
65 #include "G4SystemOfUnits.hh" 72 #include "G4SystemOfUnits.hh"
66 #include "G4LossTableManager.hh" 73 #include "G4LossTableManager.hh"
67 #include "G4MaterialCutsCouple.hh" 74 #include "G4MaterialCutsCouple.hh"
68 #include "G4Step.hh" 75 #include "G4Step.hh"
69 #include "G4ParticleDefinition.hh" 76 #include "G4ParticleDefinition.hh"
70 #include "G4VEmFluctuationModel.hh" 77 #include "G4VEmFluctuationModel.hh"
71 #include "G4UnitsTable.hh" 78 #include "G4UnitsTable.hh"
72 #include "G4ProductionCutsTable.hh" 79 #include "G4ProductionCutsTable.hh"
73 #include "G4Electron.hh" 80 #include "G4Electron.hh"
74 #include "G4GenericIon.hh" 81 #include "G4GenericIon.hh"
75 #include "G4TransportationManager.hh" 82 #include "G4TransportationManager.hh"
76 #include "G4SafetyHelper.hh" 83 #include "G4SafetyHelper.hh"
77 #include "G4ParticleTable.hh" 84 #include "G4ParticleTable.hh"
78 #include "G4ProcessVector.hh" 85 #include "G4ProcessVector.hh"
79 #include "G4ProcessManager.hh" 86 #include "G4ProcessManager.hh"
80 #include "G4LossTableBuilder.hh" <<
81 #include "G4EmTableUtil.hh" <<
82 #include <iostream> <<
83 87
84 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
85 89
86 G4VMultipleScattering::G4VMultipleScattering(c << 90 G4VMultipleScattering::G4VMultipleScattering(const G4String& name,
87 : G4VContinuousDiscreteProcess("msc", fElect << 91 G4ProcessType):
88 fNewPosition(0.,0.,0.), << 92 G4VContinuousDiscreteProcess("msc", fElectromagnetic),
89 fNewDirection(0.,0.,1.) << 93 numberOfModels(0),
>> 94 firstParticle(0),
>> 95 currParticle(0),
>> 96 stepLimit(fUseSafety),
>> 97 skin(1.0),
>> 98 facrange(0.04),
>> 99 facgeom(2.5),
>> 100 latDisplasment(true),
>> 101 isIon(false)
90 { 102 {
91 theParameters = G4EmParameters::Instance(); <<
92 SetVerboseLevel(1); 103 SetVerboseLevel(1);
93 SetProcessSubType(fMultipleScattering); 104 SetProcessSubType(fMultipleScattering);
94 << 105 if("ionmsc" == name) { firstParticle = G4GenericIon::GenericIon(); }
95 lowestKinEnergy = 10*CLHEP::eV; <<
96 106
97 geomMin = 0.05*CLHEP::nm; 107 geomMin = 0.05*CLHEP::nm;
98 minDisplacement2 = geomMin*geomMin; << 108 lowestKinEnergy = 10*eV;
>> 109
>> 110 // default limit on polar angle
>> 111 polarAngleLimit = 0.0;
>> 112
>> 113 physStepLimit = gPathLength = tPathLength = 0.0;
>> 114 fIonisation = 0;
99 115
100 pParticleChange = &fParticleChange; 116 pParticleChange = &fParticleChange;
>> 117 safetyHelper = 0;
>> 118 fPositionChanged = false;
>> 119 isActive = false;
101 120
>> 121 currentModel = 0;
102 modelManager = new G4EmModelManager(); 122 modelManager = new G4EmModelManager();
103 emManager = G4LossTableManager::Instance(); 123 emManager = G4LossTableManager::Instance();
104 mscModels.reserve(2); <<
105 emManager->Register(this); 124 emManager->Register(this);
>> 125
>> 126 warn = 0;
106 } 127 }
107 128
108 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
109 130
110 G4VMultipleScattering::~G4VMultipleScattering( 131 G4VMultipleScattering::~G4VMultipleScattering()
111 { 132 {
>> 133 /*
>> 134 if(1 < verboseLevel) {
>> 135 G4cout << "G4VMultipleScattering destruct " << GetProcessName()
>> 136 << G4endl;
>> 137 }
>> 138 */
112 delete modelManager; 139 delete modelManager;
113 emManager->DeRegister(this); 140 emManager->DeRegister(this);
114 } 141 }
115 142
116 //....oooOO0OOooo........oooOO0OOooo........oo 143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
117 144
118 void G4VMultipleScattering::AddEmModel(G4int o << 145 void G4VMultipleScattering::AddEmModel(G4int order, G4VEmModel* p,
119 const G << 146 const G4Region* region)
120 { 147 {
121 if(nullptr == ptr) { return; } << 148 G4VEmFluctuationModel* fm = 0;
122 G4VEmFluctuationModel* fm = nullptr; << 149 modelManager->AddEmModel(order, p, fm, region);
123 modelManager->AddEmModel(order, ptr, fm, reg << 150 if(p) { p->SetParticleChange(pParticleChange); }
124 ptr->SetParticleChange(pParticleChange); <<
125 } 151 }
126 152
127 //....oooOO0OOooo........oooOO0OOooo........oo 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
128 154
129 void G4VMultipleScattering::SetEmModel(G4VMscM << 155 void G4VMultipleScattering::SetEmModel(G4VMscModel* p, G4int index)
130 { 156 {
131 if(nullptr == ptr) { return; } << 157 G4int n = mscModels.size();
132 if(!mscModels.empty()) { << 158 if(index >= n) { for(G4int i=n; i<=index; ++i) { mscModels.push_back(0); } }
133 for(auto & msc : mscModels) { if(msc == pt << 159 mscModels[index] = p;
134 } << 160 }
135 mscModels.push_back(ptr); << 161
>> 162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 163
>> 164 G4VMscModel* G4VMultipleScattering::EmModel(G4int index) const
>> 165 {
>> 166 G4VMscModel* p = 0;
>> 167 if(index >= 0 && index < G4int(mscModels.size())) { p = mscModels[index]; }
>> 168 return p;
>> 169 }
>> 170
>> 171 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 172
>> 173 G4VEmModel*
>> 174 G4VMultipleScattering::GetModelByIndex(G4int idx, G4bool ver) const
>> 175 {
>> 176 return modelManager->GetModel(idx, ver);
136 } 177 }
137 178
138 //....oooOO0OOooo........oooOO0OOooo........oo 179 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
139 180
140 void 181 void
141 G4VMultipleScattering::PreparePhysicsTable(con 182 G4VMultipleScattering::PreparePhysicsTable(const G4ParticleDefinition& part)
142 { 183 {
143 G4bool master = emManager->IsMaster(); << 184 G4bool master = true;
144 if (nullptr == firstParticle) { firstParticl << 185 const G4VMultipleScattering* masterProc =
>> 186 static_cast<const G4VMultipleScattering*>(GetMasterProcess());
>> 187 if(masterProc && masterProc != this) { master = false; }
>> 188
>> 189 if(!firstParticle) { firstParticle = ∂ }
>> 190 if(part.GetParticleType() == "nucleus") {
>> 191 SetStepLimitType(fMinimal);
>> 192 SetLateralDisplasmentFlag(false);
>> 193 SetRangeFactor(0.2);
>> 194 G4String pname = part.GetParticleName();
>> 195 if(pname != "deuteron" && pname != "triton" &&
>> 196 pname != "alpha+" && pname != "helium" &&
>> 197 pname != "alpha" && pname != "He3" &&
>> 198 pname != "hydrogen") {
>> 199
>> 200 const G4ParticleDefinition* theGenericIon =
>> 201 G4ParticleTable::GetParticleTable()->FindParticle("GenericIon");
>> 202
>> 203 if(theGenericIon && firstParticle != theGenericIon) {
>> 204 G4ProcessManager* pm = theGenericIon->GetProcessManager();
>> 205 G4ProcessVector* v = pm->GetAlongStepProcessVector();
>> 206 size_t n = v->size();
>> 207 for(size_t j=0; j<n; ++j) {
>> 208 if((*v)[j] == this) {
>> 209 firstParticle = theGenericIon;
>> 210 isIon = true;
>> 211 break;
>> 212 }
>> 213 }
>> 214 }
>> 215 }
>> 216 }
145 217
146 emManager->PreparePhysicsTable(&part, this); << 218 emManager->PreparePhysicsTable(&part, this, master);
147 currParticle = nullptr; << 219 currParticle = 0;
>> 220
>> 221 if(1 < verboseLevel) {
>> 222 G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for "
>> 223 << GetProcessName()
>> 224 << " and particle " << part.GetParticleName()
>> 225 << " local particle " << firstParticle->GetParticleName()
>> 226 << " isIon= " << isIon
>> 227 << G4endl;
>> 228 }
148 229
149 if(firstParticle == &part) { 230 if(firstParticle == &part) {
150 baseMat = emManager->GetTableBuilder()->Ge <<
151 G4EmTableUtil::PrepareMscProcess(this, par <<
152 stepLimit, facrange, <<
153 latDisplacement, master, <<
154 isIon, baseMat); <<
155 231
>> 232 InitialiseProcess(firstParticle);
>> 233
>> 234 // initialisation of models
156 numberOfModels = modelManager->NumberOfMod 235 numberOfModels = modelManager->NumberOfModels();
157 currentModel = GetModelByIndex(0); << 236 for(G4int i=0; i<numberOfModels; ++i) {
>> 237 G4VMscModel* msc = static_cast<G4VMscModel*>(modelManager->GetModel(i));
>> 238 msc->SetIonisation(0, firstParticle);
>> 239 msc->SetMasterThread(master);
>> 240 if(0 == i) { currentModel = msc; }
>> 241 if(isIon) {
>> 242 msc->SetStepLimitType(fMinimal);
>> 243 msc->SetLateralDisplasmentFlag(false);
>> 244 msc->SetRangeFactor(0.2);
>> 245 } else {
>> 246 msc->SetStepLimitType(StepLimitType());
>> 247 msc->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
>> 248 msc->SetSkin(Skin());
>> 249 msc->SetRangeFactor(RangeFactor());
>> 250 msc->SetGeomFactor(GeomFactor());
>> 251 }
>> 252 msc->SetPolarAngleLimit(polarAngleLimit);
>> 253 G4double emax =
>> 254 std::min(msc->HighEnergyLimit(),emManager->MaxKinEnergy());
>> 255 msc->SetHighEnergyLimit(emax);
>> 256 }
158 257
159 if (nullptr == safetyHelper) { << 258 modelManager->Initialise(firstParticle, G4Electron::Electron(),
>> 259 10.0, verboseLevel);
>> 260
>> 261 if(!safetyHelper) {
160 safetyHelper = G4TransportationManager:: 262 safetyHelper = G4TransportationManager::GetTransportationManager()
161 ->GetSafetyHelper(); 263 ->GetSafetyHelper();
162 safetyHelper->InitialiseHelper(); 264 safetyHelper->InitialiseHelper();
163 } 265 }
164 } 266 }
165 } 267 }
166 268
167 //....oooOO0OOooo........oooOO0OOooo........oo 269 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 270
169 void G4VMultipleScattering::BuildPhysicsTable( 271 void G4VMultipleScattering::BuildPhysicsTable(const G4ParticleDefinition& part)
170 { 272 {
171 G4bool master = emManager->IsMaster(); << 273 G4String num = part.GetParticleName();
172 << 274 if(1 < verboseLevel) {
173 if(firstParticle == &part) { << 275 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
174 emManager->BuildPhysicsTable(&part); << 276 << GetProcessName()
>> 277 << " and particle " << num
>> 278 << " IsMaster= " << G4LossTableManager::Instance()->IsMaster()
>> 279 << G4endl;
175 } 280 }
176 const G4VMultipleScattering* ptr = this; << 281 G4bool master = true;
177 if(!master) { << 282 const G4VMultipleScattering* masterProcess =
178 ptr = static_cast<const G4VMultipleScatter << 283 static_cast<const G4VMultipleScattering*>(GetMasterProcess());
>> 284 if(masterProcess && masterProcess != this) { master = false; }
>> 285
>> 286 if(firstParticle == &part) {
>> 287 /*
>> 288 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
>> 289 << GetProcessName()
>> 290 << " and particle " << num
>> 291 << " IsMaster= " << G4LossTableManager::Instance()->IsMaster()
>> 292 << " " << this
>> 293 << G4endl;
>> 294 */
>> 295 emManager->BuildPhysicsTable(firstParticle);
>> 296
>> 297 if(!master) {
>> 298 // initialisation of models
>> 299 G4bool printing = true;
>> 300 numberOfModels = modelManager->NumberOfModels();
>> 301 /*
>> 302 G4cout << "### G4VMultipleScattering::SlaveBuildPhysicsTable() for "
>> 303 << GetProcessName()
>> 304 << " and particle " << num
>> 305 << " Nmod= " << numberOfModels << " " << this
>> 306 << G4endl;
>> 307 */
>> 308 for(G4int i=0; i<numberOfModels; ++i) {
>> 309 G4VMscModel* msc =
>> 310 static_cast<G4VMscModel*>(GetModelByIndex(i, printing));
>> 311 G4VMscModel* msc0=
>> 312 static_cast<G4VMscModel*>(masterProcess->GetModelByIndex(i,printing));
>> 313 msc->SetCrossSectionTable(msc0->GetCrossSectionTable(), false);
>> 314 }
>> 315 }
>> 316
179 } 317 }
180 318
181 G4EmTableUtil::BuildMscProcess(this, ptr, pa << 319 // explicitly defined printout by particle name
182 numberOfModels, master); << 320 if(1 < verboseLevel ||
>> 321 (0 < verboseLevel && (num == "e-" ||
>> 322 num == "e+" || num == "mu+" ||
>> 323 num == "mu-" || num == "proton"||
>> 324 num == "pi+" || num == "pi-" ||
>> 325 num == "kaon+" || num == "kaon-" ||
>> 326 num == "alpha" || num == "anti_proton" ||
>> 327 num == "GenericIon")))
>> 328 {
>> 329 G4cout << G4endl << GetProcessName()
>> 330 << ": for " << num
>> 331 << " SubType= " << GetProcessSubType()
>> 332 << G4endl;
>> 333 PrintInfo();
>> 334 modelManager->DumpModelList(verboseLevel);
>> 335 }
>> 336
>> 337 if(1 < verboseLevel) {
>> 338 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() done for "
>> 339 << GetProcessName()
>> 340 << " and particle " << num
>> 341 << G4endl;
>> 342 }
183 } 343 }
184 344
185 //....oooOO0OOooo........oooOO0OOooo........oo 345 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
186 346
187 void G4VMultipleScattering::StreamInfo(std::os << 347 void G4VMultipleScattering::PrintInfoDefinition()
188 const G4ParticleDefinition& <<
189 { 348 {
190 G4String indent = (rst ? " " : ""); << 349 if (0 < verboseLevel) {
191 outFile << G4endl << indent << GetProcessNam << 350 G4cout << G4endl << GetProcessName()
192 if (!rst) outFile << " for " << part.GetPart << 351 << ": for " << firstParticle->GetParticleName()
193 outFile << " SubType= " << GetProcessSubTy << 352 << " SubType= " << GetProcessSubType()
194 modelManager->DumpModelList(outFile, verbose << 353 << G4endl;
>> 354 PrintInfo();
>> 355 modelManager->DumpModelList(verboseLevel);
>> 356 }
195 } 357 }
196 358
197 //....oooOO0OOooo........oooOO0OOooo........oo 359 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
198 360
199 void G4VMultipleScattering::StartTracking(G4Tr 361 void G4VMultipleScattering::StartTracking(G4Track* track)
200 { 362 {
201 G4VEnergyLossProcess* eloss = nullptr; << 363 G4VEnergyLossProcess* eloss = 0;
202 if(track->GetParticleDefinition() != currPar 364 if(track->GetParticleDefinition() != currParticle) {
203 currParticle = track->GetParticleDefinitio 365 currParticle = track->GetParticleDefinition();
204 fIonisation = emManager->GetEnergyLossProc 366 fIonisation = emManager->GetEnergyLossProcess(currParticle);
205 eloss = fIonisation; 367 eloss = fIonisation;
206 } 368 }
207 for(G4int i=0; i<numberOfModels; ++i) { << 369 /*
208 G4VMscModel* msc = GetModelByIndex(i); << 370 G4cout << "G4VMultipleScattering::StartTracking Nmod= " << numberOfModels
209 msc->StartTracking(track); << 371 << " " << currParticle->GetParticleName()
210 if(nullptr != eloss) { << 372 << " E(MeV)= " << track->GetKineticEnergy()
211 msc->SetIonisation(eloss, currParticle); << 373 << " Ion= " << eloss << " " << fIonisation << " IsMaster= "
>> 374 << G4LossTableManager::Instance()->IsMaster()
>> 375 << G4endl;
>> 376 */
>> 377 // one model
>> 378 if(1 == numberOfModels) {
>> 379 currentModel->StartTracking(track);
>> 380 if(eloss) { currentModel->SetIonisation(fIonisation, currParticle); }
>> 381
>> 382 // many models
>> 383 } else {
>> 384 for(G4int i=0; i<numberOfModels; ++i) {
>> 385 G4VMscModel* msc = static_cast<G4VMscModel*>(GetModelByIndex(i,true));
>> 386 msc->StartTracking(track);
>> 387 if(eloss) { msc->SetIonisation(fIonisation, currParticle); }
212 } 388 }
213 } 389 }
214 } << 390 }
215 391
216 //....oooOO0OOooo........oooOO0OOooo........oo 392 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
217 393
218 G4double G4VMultipleScattering::AlongStepGetPh 394 G4double G4VMultipleScattering::AlongStepGetPhysicalInteractionLength(
219 const G4Track& tr 395 const G4Track& track,
220 G4double, 396 G4double,
221 G4double currentM 397 G4double currentMinimalStep,
222 G4double&, 398 G4double&,
223 G4GPILSelection* 399 G4GPILSelection* selection)
224 { 400 {
225 // get Step limit proposed by the process 401 // get Step limit proposed by the process
226 *selection = NotCandidateForSelection; 402 *selection = NotCandidateForSelection;
227 physStepLimit = gPathLength = tPathLength = 403 physStepLimit = gPathLength = tPathLength = currentMinimalStep;
228 404
229 G4double ekin = track.GetKineticEnergy(); 405 G4double ekin = track.GetKineticEnergy();
230 /* 406 /*
231 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek 407 G4cout << "MSC::AlongStepGPIL: Ekin= " << ekin
232 << " " << currParticle->GetParticleN 408 << " " << currParticle->GetParticleName()
233 << " currMod " << currentModel << 409 << " currMod " << currentModel
234 << G4endl; << 410 << G4endl;
235 */ 411 */
236 // isIon flag is used only to select a model 412 // isIon flag is used only to select a model
237 if(isIon) { 413 if(isIon) {
238 ekin *= proton_mass_c2/track.GetParticleDe 414 ekin *= proton_mass_c2/track.GetParticleDefinition()->GetPDGMass();
239 } 415 }
240 const G4MaterialCutsCouple* couple = track.G <<
241 416
242 // select new model, static cast is possible << 417 // select new model
243 if(1 < numberOfModels) { 418 if(1 < numberOfModels) {
244 currentModel = << 419 currentModel = static_cast<G4VMscModel*>(
245 static_cast<G4VMscModel*>(SelectModel(ek << 420 SelectModel(ekin,track.GetMaterialCutsCouple()->GetIndex()));
246 } 421 }
247 currentModel->SetCurrentCouple(couple); << 422 // step limit
248 // msc is active is model is active, energy << 423 if(currentModel->IsActive(ekin) && gPathLength >= geomMin
249 // and step size is above the limit; <<
250 // if it is active msc may limit the step <<
251 if(currentModel->IsActive(ekin) && tPathLeng <<
252 && ekin >= lowestKinEnergy) { 424 && ekin >= lowestKinEnergy) {
253 isActive = true; 425 isActive = true;
254 tPathLength = 426 tPathLength =
255 currentModel->ComputeTruePathLengthLimit 427 currentModel->ComputeTruePathLengthLimit(track, gPathLength);
256 if (tPathLength < physStepLimit) { 428 if (tPathLength < physStepLimit) {
257 *selection = CandidateForSelection; 429 *selection = CandidateForSelection;
258 } 430 }
259 } else { << 431 } else { isActive = false; }
260 isActive = false; << 432
261 gPathLength = DBL_MAX; <<
262 } <<
263 433
264 //if(currParticle->GetPDGMass() > GeV) 434 //if(currParticle->GetPDGMass() > GeV)
265 /* 435 /*
266 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek 436 G4cout << "MSC::AlongStepGPIL: Ekin= " << ekin
267 << " " << currParticle->GetParticleN 437 << " " << currParticle->GetParticleName()
268 << " gPathLength= " << gPathLength << 438 << " gPathLength= " << gPathLength
269 << " tPathLength= " << tPathLength << 439 << " tPathLength= " << tPathLength
270 << " currentMinimalStep= " << current << 440 << " currentMinimalStep= " << currentMinimalStep
271 << " isActive " << isActive << G4endl << 441 << " isActive " << isActive << G4endl;
272 */ 442 */
273 return gPathLength; 443 return gPathLength;
274 } 444 }
275 445
276 //....oooOO0OOooo........oooOO0OOooo........oo 446 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
277 447
278 G4double 448 G4double
279 G4VMultipleScattering::PostStepGetPhysicalInte 449 G4VMultipleScattering::PostStepGetPhysicalInteractionLength(
280 const G4Track&, G4double, G4Forc 450 const G4Track&, G4double, G4ForceCondition* condition)
281 { 451 {
282 *condition = NotForced; << 452 *condition = Forced;
>> 453 //*condition = NotForced;
283 return DBL_MAX; 454 return DBL_MAX;
284 } 455 }
285 456
286 //....oooOO0OOooo........oooOO0OOooo........oo 457 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
287 458
288 G4VParticleChange* 459 G4VParticleChange*
289 G4VMultipleScattering::AlongStepDoIt(const G4T 460 G4VMultipleScattering::AlongStepDoIt(const G4Track& track, const G4Step& step)
290 { 461 {
291 fParticleChange.InitialiseMSC(track, step); << 462 fParticleChange.ProposeMomentumDirection(
292 fNewPosition = fParticleChange.GetProposedPo << 463 step.GetPostStepPoint()->GetMomentumDirection());
>> 464 fNewPosition = step.GetPostStepPoint()->GetPosition();
>> 465 fParticleChange.ProposePosition(fNewPosition);
293 fPositionChanged = false; 466 fPositionChanged = false;
294 467
295 G4double geomLength = step.GetStepLength(); 468 G4double geomLength = step.GetStepLength();
296 469
297 // very small step - no msc 470 // very small step - no msc
298 if(!isActive) { 471 if(!isActive) {
299 tPathLength = geomLength; 472 tPathLength = geomLength;
300 473
301 // sample msc 474 // sample msc
302 } else { 475 } else {
303 G4double range = 476 G4double range =
304 currentModel->GetRange(currParticle,trac 477 currentModel->GetRange(currParticle,track.GetKineticEnergy(),
305 track.GetMaterial << 478 track.GetMaterialCutsCouple());
306 479
307 tPathLength = currentModel->ComputeTrueSte 480 tPathLength = currentModel->ComputeTrueStepLength(geomLength);
308 481
309 /* << 482 // protection against wrong t->g->t conversion
310 if(currParticle->GetPDGMass() > 0.9*GeV) << 483 /*
>> 484 if(currParticle->GetPDGMass() > GeV)
311 G4cout << "G4VMsc::AlongStepDoIt: GeomLeng 485 G4cout << "G4VMsc::AlongStepDoIt: GeomLength= "
312 << geomLength << 486 << geomLength
313 << " tPathLength= " << tPathLength << 487 << " tPathLength= " << tPathLength
314 << " physStepLimit= " << physStepLi << 488 << " physStepLimit= " << physStepLimit
315 << " dr= " << range - tPathLength << 489 << " dr= " << range - trueLength
316 << " ekin= " << track.GetKineticEne << 490 << " ekin= " << track.GetKineticEnergy() << G4endl;
317 */ 491 */
318 // protection against wrong t->g->t conver << 492 if (tPathLength > physStepLimit) {
319 tPathLength = std::min(tPathLength, physSt << 493 tPathLength = physStepLimit;
>> 494 }
320 495
321 // do not sample scattering at the last or 496 // do not sample scattering at the last or at a small step
322 if(tPathLength < range && tPathLength > ge << 497 if(tPathLength + geomMin < range && tPathLength > geomMin) {
323 <<
324 static const G4double minSafety = 1.20*C <<
325 static const G4double sFact = 0.99; <<
326 498
>> 499 G4double preSafety = step.GetPreStepPoint()->GetSafety();
>> 500 G4double maxDisp = (tPathLength + geomLength)*0.5;
>> 501 G4double postSafety= preSafety - maxDisp;
>> 502 G4bool safetyRecomputed = false;
>> 503 if(postSafety < maxDisp) {
>> 504 safetyRecomputed = true;
>> 505 postSafety = safetyHelper->ComputeSafety(fNewPosition,maxDisp);
>> 506 }
327 G4ThreeVector displacement = currentMode 507 G4ThreeVector displacement = currentModel->SampleScattering(
328 step.GetPostStepPoint()->GetMomentumDi << 508 step.GetPostStepPoint()->GetMomentumDirection(), postSafety);
329 509
330 G4double r2 = displacement.mag2(); 510 G4double r2 = displacement.mag2();
331 //G4cout << " R= " << sqrt(r2) << " R << 511
332 // << " flag= " << fDispBeyondSafety << 512 //G4cout << "R= " << sqrt(r2) << " postSafety= " << postSafety
333 if(r2 > minDisplacement2) { << 513 // << G4endl;
334 << 514
335 fPositionChanged = true; << 515 // make correction for displacement
336 G4double dispR = std::sqrt(r2); << 516 if(r2 > 0.0) {
337 G4double postSafety = << 517
338 sFact*safetyHelper->ComputeSafety(fN << 518 fPositionChanged = true;
339 //G4cout<<" R= "<< dispR<<" postSaf << 519 G4double fac = 1.0;
340 << 520
341 // far away from geometry boundary << 521 // displaced point is definitely within the volume
342 if(postSafety > 0.0 && dispR <= postSa << 522 if(r2 > postSafety*postSafety) {
343 fNewPosition += displacement; << 523 G4double dispR = std::sqrt(r2);
344 << 524 if(!safetyRecomputed) {
345 //near the boundary << 525 postSafety = safetyHelper->ComputeSafety(fNewPosition, dispR);
346 } else { << 526 }
347 // displaced point is definitely wit << 527
348 //G4cout<<" R= "<<dispR<<" postSa << 528 if(dispR > postSafety) {
349 if(dispR < postSafety) { << 529 fac = 0.99*postSafety/dispR;
350 fNewPosition += displacement; << 530 }
351 << 531 }
352 // reduced displacement << 532 // compute new endpoint of the Step
353 } else if(postSafety > geomMin) { << 533 fNewPosition += fac*displacement;
354 fNewPosition += displacement*(post << 534 //safetyHelper->ReLocateWithinVolume(fNewPosition);
355 <<
356 // very small postSafety <<
357 } else { <<
358 fPositionChanged = false; <<
359 } <<
360 } <<
361 if(fPositionChanged) { <<
362 safetyHelper->ReLocateWithinVolume(f <<
363 fParticleChange.ProposePosition(fNew <<
364 } <<
365 } 535 }
366 } 536 }
367 } 537 }
368 fParticleChange.ProposeTrueStepLength(tPathL 538 fParticleChange.ProposeTrueStepLength(tPathLength);
>> 539 //fParticleChange.ProposePosition(fNewPosition);
>> 540 return &fParticleChange;
>> 541 }
>> 542
>> 543 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 544
>> 545 G4VParticleChange*
>> 546 G4VMultipleScattering::PostStepDoIt(const G4Track& track, const G4Step&)
>> 547 {
>> 548 fParticleChange.Initialize(track);
>> 549
>> 550 if(fPositionChanged) {
>> 551 safetyHelper->ReLocateWithinVolume(fNewPosition);
>> 552 fParticleChange.ProposePosition(fNewPosition);
>> 553 }
>> 554
369 return &fParticleChange; 555 return &fParticleChange;
370 } 556 }
371 557
372 //....oooOO0OOooo........oooOO0OOooo........oo 558 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
373 559
374 G4double G4VMultipleScattering::GetContinuousS 560 G4double G4VMultipleScattering::GetContinuousStepLimit(
375 const G 561 const G4Track& track,
376 G4doubl 562 G4double previousStepSize,
377 G4doubl 563 G4double currentMinimalStep,
378 G4doubl 564 G4double& currentSafety)
379 { 565 {
380 G4GPILSelection selection = NotCandidateForS 566 G4GPILSelection selection = NotCandidateForSelection;
381 G4double x = AlongStepGetPhysicalInteraction 567 G4double x = AlongStepGetPhysicalInteractionLength(track,previousStepSize,
382 << 568 currentMinimalStep,
383 << 569 currentSafety,
384 << 570 &selection);
385 return x; 571 return x;
386 } 572 }
387 573
388 //....oooOO0OOooo........oooOO0OOooo........oo 574 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
389 575
390 G4double G4VMultipleScattering::ContinuousStep 576 G4double G4VMultipleScattering::ContinuousStepLimit(
391 const G 577 const G4Track& track,
392 G4doubl 578 G4double previousStepSize,
393 G4doubl 579 G4double currentMinimalStep,
394 G4doubl 580 G4double& currentSafety)
395 { 581 {
396 return GetContinuousStepLimit(track,previous 582 return GetContinuousStepLimit(track,previousStepSize,currentMinimalStep,
397 currentSafety) << 583 currentSafety);
398 } 584 }
399 585
400 //....oooOO0OOooo........oooOO0OOooo........oo 586 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
401 587
402 G4double G4VMultipleScattering::GetMeanFreePat 588 G4double G4VMultipleScattering::GetMeanFreePath(
403 const G4Track&, G4double, G4Forc 589 const G4Track&, G4double, G4ForceCondition* condition)
404 { 590 {
405 *condition = Forced; 591 *condition = Forced;
406 return DBL_MAX; 592 return DBL_MAX;
407 } 593 }
408 594
409 //....oooOO0OOooo........oooOO0OOooo........oo 595 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
410 596
411 G4bool 597 G4bool
412 G4VMultipleScattering::StorePhysicsTable(const 598 G4VMultipleScattering::StorePhysicsTable(const G4ParticleDefinition* part,
413 const << 599 const G4String& directory,
414 G4boo << 600 G4bool ascii)
415 { 601 {
416 G4bool yes = true; 602 G4bool yes = true;
417 if(part != firstParticle || !emManager->IsMa << 603 if(part != firstParticle) { return yes; }
418 << 604 G4int nmod = modelManager->NumberOfModels();
419 return G4EmTableUtil::StoreMscTable(this, pa << 605 static const G4String ss[4] = {"1","2","3","4"};
420 numberOfModels, verboseLevel, << 606 for(G4int i=0; i<nmod; ++i) {
421 ascii); << 607 G4VEmModel* msc = modelManager->GetModel(i);
>> 608 yes = true;
>> 609 G4PhysicsTable* table = msc->GetCrossSectionTable();
>> 610 if (table) {
>> 611 G4int j = std::min(i,3);
>> 612 G4String name =
>> 613 GetPhysicsTableFileName(part,directory,"LambdaMod"+ss[j],ascii);
>> 614 yes = table->StorePhysicsTable(name,ascii);
>> 615
>> 616 if ( yes ) {
>> 617 if ( verboseLevel>0 ) {
>> 618 G4cout << "Physics table are stored for "
>> 619 << part->GetParticleName()
>> 620 << " and process " << GetProcessName()
>> 621 << " with a name <" << name << "> " << G4endl;
>> 622 }
>> 623 } else {
>> 624 G4cout << "Fail to store Physics Table for "
>> 625 << part->GetParticleName()
>> 626 << " and process " << GetProcessName()
>> 627 << " in the directory <" << directory
>> 628 << "> " << G4endl;
>> 629 }
>> 630 }
>> 631 }
>> 632 return yes;
422 } 633 }
423 634
424 //....oooOO0OOooo........oooOO0OOooo........oo 635 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
425 636
426 G4bool 637 G4bool
427 G4VMultipleScattering::RetrievePhysicsTable(co 638 G4VMultipleScattering::RetrievePhysicsTable(const G4ParticleDefinition*,
428 co << 639 const G4String&,
429 G4 << 640 G4bool)
430 { 641 {
431 return true; 642 return true;
432 } 643 }
433 644
434 //....oooOO0OOooo........oooOO0OOooo........oo 645 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
435 646
436 void G4VMultipleScattering::ProcessDescription << 647 void G4VMultipleScattering::SetIonisation(G4VEnergyLossProcess* p)
437 { 648 {
438 if(nullptr != firstParticle) { << 649 for(G4int i=0; i<numberOfModels; ++i) {
439 StreamInfo(outFile, *firstParticle, true); << 650 G4VMscModel* msc = static_cast<G4VMscModel*>(GetModelByIndex(i, true));
>> 651 msc->SetIonisation(p, firstParticle);
440 } 652 }
441 } 653 }
442 654
443 //....oooOO0OOooo........oooOO0OOooo........oo 655 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
444 656
445 657