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25 // 25 //
>> 26 // $Id: G4VMultipleScattering.cc,v 1.86 2010-10-26 11:30:46 vnivanch Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4VMultipleScattering 34 // File name: G4VMultipleScattering
33 // 35 //
34 // Author: Vladimir Ivanchenko on base 36 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 37 //
36 // Creation date: 25.03.2003 38 // Creation date: 25.03.2003
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
>> 42 // 13.04.03 Change printout (V.Ivanchenko)
>> 43 // 04-06-03 Fix compilation warnings (V.Ivanchenko)
40 // 16-07-03 Use G4VMscModel interface (V.Ivanc 44 // 16-07-03 Use G4VMscModel interface (V.Ivanchenko)
41 // 03-11-03 Fix initialisation problem in Retr 45 // 03-11-03 Fix initialisation problem in RetrievePhysicsTable (V.Ivanchenko)
42 // 04-11-03 Update PrintInfoDefinition (V.Ivan 46 // 04-11-03 Update PrintInfoDefinition (V.Ivanchenko)
43 // 01-03-04 SampleCosineTheta signature change 47 // 01-03-04 SampleCosineTheta signature changed
44 // 22-04-04 SampleCosineTheta signature change 48 // 22-04-04 SampleCosineTheta signature changed back to original
45 // 27-08-04 Add InitialiseForRun method (V.Iva 49 // 27-08-04 Add InitialiseForRun method (V.Ivanchneko)
46 // 08-11-04 Migration to new interface of Stor 50 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
47 // 11-03-05 Shift verbose level by 1 (V.Ivantc 51 // 11-03-05 Shift verbose level by 1 (V.Ivantchenko)
48 // 15-04-05 optimize internal interface (V.Iva 52 // 15-04-05 optimize internal interface (V.Ivanchenko)
49 // 15-04-05 remove boundary flag (V.Ivanchenko 53 // 15-04-05 remove boundary flag (V.Ivanchenko)
50 // 27-10-05 introduce virtual function MscStep 54 // 27-10-05 introduce virtual function MscStepLimitation() (V.Ivanchenko)
51 // 12-04-07 Add verbosity at destruction (V.Iv 55 // 12-04-07 Add verbosity at destruction (V.Ivanchenko)
52 // 27-10-07 Virtual functions moved to source 56 // 27-10-07 Virtual functions moved to source (V.Ivanchenko)
53 // 11-03-08 Set skin value does not effect ste 57 // 11-03-08 Set skin value does not effect step limit type (V.Ivanchenko)
54 // 24-06-09 Removed hidden bin in G4PhysicsVec 58 // 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko)
55 // 04-06-13 Adoptation to MT mode (V.Ivanchenk <<
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" <<
65 #include "G4SystemOfUnits.hh" <<
66 #include "G4LossTableManager.hh" 71 #include "G4LossTableManager.hh"
67 #include "G4MaterialCutsCouple.hh" << 72 #include "G4LossTableBuilder.hh"
68 #include "G4Step.hh" 73 #include "G4Step.hh"
69 #include "G4ParticleDefinition.hh" 74 #include "G4ParticleDefinition.hh"
70 #include "G4VEmFluctuationModel.hh" 75 #include "G4VEmFluctuationModel.hh"
>> 76 #include "G4DataVector.hh"
>> 77 #include "G4PhysicsTable.hh"
>> 78 #include "G4PhysicsVector.hh"
>> 79 #include "G4PhysicsLogVector.hh"
71 #include "G4UnitsTable.hh" 80 #include "G4UnitsTable.hh"
72 #include "G4ProductionCutsTable.hh" 81 #include "G4ProductionCutsTable.hh"
73 #include "G4Electron.hh" << 82 #include "G4Region.hh"
>> 83 #include "G4RegionStore.hh"
>> 84 #include "G4PhysicsTableHelper.hh"
74 #include "G4GenericIon.hh" 85 #include "G4GenericIon.hh"
75 #include "G4TransportationManager.hh" << 86 #include "G4Electron.hh"
76 #include "G4SafetyHelper.hh" << 87 #include "G4EmConfigurator.hh"
77 #include "G4ParticleTable.hh" <<
78 #include "G4ProcessVector.hh" <<
79 #include "G4ProcessManager.hh" <<
80 #include "G4LossTableBuilder.hh" <<
81 #include "G4EmTableUtil.hh" <<
82 #include <iostream> <<
83 88
84 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
85 90
86 G4VMultipleScattering::G4VMultipleScattering(c << 91 G4VMultipleScattering::G4VMultipleScattering(const G4String& name,
87 : G4VContinuousDiscreteProcess("msc", fElect << 92 G4ProcessType type):
88 fNewPosition(0.,0.,0.), << 93 G4VContinuousDiscreteProcess(name, type),
89 fNewDirection(0.,0.,1.) << 94 buildLambdaTable(true),
>> 95 theLambdaTable(0),
>> 96 firstParticle(0),
>> 97 theDensityFactor(0),
>> 98 theDensityIdx(0),
>> 99 stepLimit(fUseSafety),
>> 100 skin(1.0),
>> 101 facrange(0.04),
>> 102 facgeom(2.5),
>> 103 latDisplasment(true),
>> 104 isIon(false),
>> 105 currentParticle(0),
>> 106 currentCouple(0)
90 { 107 {
91 theParameters = G4EmParameters::Instance(); <<
92 SetVerboseLevel(1); 108 SetVerboseLevel(1);
93 SetProcessSubType(fMultipleScattering); 109 SetProcessSubType(fMultipleScattering);
94 110
95 lowestKinEnergy = 10*CLHEP::eV; << 111 // Size of tables assuming spline
>> 112 minKinEnergy = 0.1*keV;
>> 113 maxKinEnergy = 10.0*TeV;
>> 114 nBins = 77;
96 115
97 geomMin = 0.05*CLHEP::nm; << 116 // default limit on polar angle
98 minDisplacement2 = geomMin*geomMin; << 117 polarAngleLimit = 0.0;
99 118
100 pParticleChange = &fParticleChange; 119 pParticleChange = &fParticleChange;
101 120
102 modelManager = new G4EmModelManager(); 121 modelManager = new G4EmModelManager();
103 emManager = G4LossTableManager::Instance(); << 122 (G4LossTableManager::Instance())->Register(this);
104 mscModels.reserve(2); << 123
105 emManager->Register(this); <<
106 } 124 }
107 125
108 //....oooOO0OOooo........oooOO0OOooo........oo 126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
109 127
110 G4VMultipleScattering::~G4VMultipleScattering( 128 G4VMultipleScattering::~G4VMultipleScattering()
111 { 129 {
>> 130 if(1 < verboseLevel) {
>> 131 G4cout << "G4VMultipleScattering destruct " << GetProcessName()
>> 132 << G4endl;
>> 133 }
112 delete modelManager; 134 delete modelManager;
113 emManager->DeRegister(this); << 135 if (theLambdaTable) {
>> 136 theLambdaTable->clearAndDestroy();
>> 137 delete theLambdaTable;
>> 138 }
>> 139 (G4LossTableManager::Instance())->DeRegister(this);
114 } 140 }
115 141
116 //....oooOO0OOooo........oooOO0OOooo........oo 142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
117 143
118 void G4VMultipleScattering::AddEmModel(G4int o << 144 void G4VMultipleScattering::AddEmModel(G4int order, G4VEmModel* p,
119 const G << 145 const G4Region* region)
120 { 146 {
121 if(nullptr == ptr) { return; } << 147 G4VEmFluctuationModel* fm = 0;
122 G4VEmFluctuationModel* fm = nullptr; << 148 modelManager->AddEmModel(order, p, fm, region);
123 modelManager->AddEmModel(order, ptr, fm, reg << 149 if(p) { p->SetParticleChange(pParticleChange); }
124 ptr->SetParticleChange(pParticleChange); <<
125 } 150 }
126 <<
127 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
128 152
129 void G4VMultipleScattering::SetEmModel(G4VMscM << 153 void G4VMultipleScattering::SetModel(G4VMscModel* p, G4int index)
130 { 154 {
131 if(nullptr == ptr) { return; } << 155 G4int n = mscModels.size();
132 if(!mscModels.empty()) { << 156 if(index >= n) { for(G4int i=n; i<=index; ++i) {mscModels.push_back(0);} }
133 for(auto & msc : mscModels) { if(msc == pt << 157 mscModels[index] = p;
134 } <<
135 mscModels.push_back(ptr); <<
136 } 158 }
137 159
138 //....oooOO0OOooo........oooOO0OOooo........oo 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
139 161
140 void << 162 G4VMscModel* G4VMultipleScattering::Model(G4int index)
141 G4VMultipleScattering::PreparePhysicsTable(con <<
142 { 163 {
143 G4bool master = emManager->IsMaster(); << 164 G4VMscModel* p = 0;
144 if (nullptr == firstParticle) { firstParticl << 165 if(index >= 0 && index < G4int(mscModels.size())) { p = mscModels[index]; }
>> 166 return p;
>> 167 }
145 168
146 emManager->PreparePhysicsTable(&part, this); << 169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
147 currParticle = nullptr; <<
148 170
149 if(firstParticle == &part) { << 171 G4VEmModel*
150 baseMat = emManager->GetTableBuilder()->Ge << 172 G4VMultipleScattering::GetModelByIndex(G4int idx, G4bool ver) const
151 G4EmTableUtil::PrepareMscProcess(this, par << 173 {
152 stepLimit, facrange, << 174 return modelManager->GetModel(idx, ver);
153 latDisplacement, master, <<
154 isIon, baseMat); <<
155 <<
156 numberOfModels = modelManager->NumberOfMod <<
157 currentModel = GetModelByIndex(0); <<
158 <<
159 if (nullptr == safetyHelper) { <<
160 safetyHelper = G4TransportationManager:: <<
161 ->GetSafetyHelper(); <<
162 safetyHelper->InitialiseHelper(); <<
163 } <<
164 } <<
165 } 175 }
166 176
167 //....oooOO0OOooo........oooOO0OOooo........oo 177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 178
169 void G4VMultipleScattering::BuildPhysicsTable( << 179 void G4VMultipleScattering::PreparePhysicsTable(const G4ParticleDefinition& part)
170 { 180 {
171 G4bool master = emManager->IsMaster(); << 181 if (!firstParticle) {
172 << 182 currentCouple = 0;
173 if(firstParticle == &part) { << 183 if(part.GetParticleType() == "nucleus" &&
174 emManager->BuildPhysicsTable(&part); << 184 part.GetParticleSubType() == "generic") {
>> 185 firstParticle = G4GenericIon::GenericIon();
>> 186 isIon = true;
>> 187 } else {
>> 188 firstParticle = ∂
>> 189 if(part.GetParticleType() == "nucleus" ||
>> 190 part.GetPDGMass() > GeV) {isIon = true;}
>> 191 }
>> 192 // limitations for ions
>> 193 if(isIon) {
>> 194 SetStepLimitType(fMinimal);
>> 195 SetLateralDisplasmentFlag(false);
>> 196 SetBuildLambdaTable(false);
>> 197 }
>> 198 currentParticle = ∂
175 } 199 }
176 const G4VMultipleScattering* ptr = this; << 200
177 if(!master) { << 201 G4LossTableManager* man = G4LossTableManager::Instance();
178 ptr = static_cast<const G4VMultipleScatter << 202 man->PreparePhysicsTable(&part, this);
>> 203
>> 204 if(1 < verboseLevel) {
>> 205 G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for "
>> 206 << GetProcessName()
>> 207 << " and particle " << part.GetParticleName()
>> 208 << " local particle " << firstParticle->GetParticleName()
>> 209 << G4endl;
179 } 210 }
180 211
181 G4EmTableUtil::BuildMscProcess(this, ptr, pa << 212 if(firstParticle == &part) {
182 numberOfModels, master); << 213
>> 214 InitialiseProcess(firstParticle);
>> 215
>> 216
>> 217 // initialisation of models
>> 218 G4int nmod = modelManager->NumberOfModels();
>> 219 for(G4int i=0; i<nmod; ++i) {
>> 220 G4VMscModel* msc = static_cast<G4VMscModel*>(modelManager->GetModel(i));
>> 221 if(isIon) {
>> 222 msc->SetStepLimitType(fMinimal);
>> 223 msc->SetLateralDisplasmentFlag(false);
>> 224 msc->SetRangeFactor(0.2);
>> 225 } else {
>> 226 msc->SetStepLimitType(StepLimitType());
>> 227 msc->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
>> 228 msc->SetSkin(Skin());
>> 229 msc->SetRangeFactor(RangeFactor());
>> 230 msc->SetGeomFactor(GeomFactor());
>> 231 }
>> 232 msc->SetPolarAngleLimit(polarAngleLimit);
>> 233 if(msc->HighEnergyLimit() > maxKinEnergy) {
>> 234 msc->SetHighEnergyLimit(maxKinEnergy);
>> 235 }
>> 236 }
>> 237
>> 238 modelManager->Initialise(firstParticle, G4Electron::Electron(),
>> 239 10.0, verboseLevel);
>> 240
>> 241 // prepare tables
>> 242 G4LossTableBuilder* bld = man->GetTableBuilder();
>> 243 if(buildLambdaTable) {
>> 244 theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable);
>> 245 bld->InitialiseBaseMaterials(theLambdaTable);
>> 246 }
>> 247 theDensityFactor = bld->GetDensityFactors();
>> 248 theDensityIdx = bld->GetCoupleIndexes();
>> 249 }
183 } 250 }
184 251
185 //....oooOO0OOooo........oooOO0OOooo........oo 252 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
186 253
187 void G4VMultipleScattering::StreamInfo(std::os << 254 void G4VMultipleScattering::BuildPhysicsTable(const G4ParticleDefinition& part)
188 const G4ParticleDefinition& <<
189 { 255 {
190 G4String indent = (rst ? " " : ""); << 256 G4String num = part.GetParticleName();
191 outFile << G4endl << indent << GetProcessNam << 257 if(1 < verboseLevel) {
192 if (!rst) outFile << " for " << part.GetPart << 258 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
193 outFile << " SubType= " << GetProcessSubTy << 259 << GetProcessName()
194 modelManager->DumpModelList(outFile, verbose << 260 << " and particle " << num
>> 261 << G4endl;
>> 262 }
>> 263
>> 264 (G4LossTableManager::Instance())->BuildPhysicsTable(firstParticle);
>> 265
>> 266 if (buildLambdaTable && firstParticle == &part) {
>> 267
>> 268 const G4ProductionCutsTable* theCoupleTable=
>> 269 G4ProductionCutsTable::GetProductionCutsTable();
>> 270 size_t numOfCouples = theCoupleTable->GetTableSize();
>> 271
>> 272 //G4LossTableBuilder* bld = (G4LossTableManager::Instance())->GetTableBuilder();
>> 273 G4bool splineFlag = (G4LossTableManager::Instance())->SplineFlag();
>> 274
>> 275 G4PhysicsLogVector* aVector = 0;
>> 276 G4PhysicsLogVector* bVector = 0;
>> 277
>> 278 for (size_t i=0; i<numOfCouples; ++i) {
>> 279
>> 280 if (theLambdaTable->GetFlag(i)/*bld->GetFlag(i)*/) {
>> 281 // create physics vector and fill it
>> 282 const G4MaterialCutsCouple* couple =
>> 283 theCoupleTable->GetMaterialCutsCouple(i);
>> 284 if(!bVector) {
>> 285 aVector = static_cast<G4PhysicsLogVector*>(PhysicsVector(couple));
>> 286 bVector = aVector;
>> 287 } else {
>> 288 aVector = new G4PhysicsLogVector(*bVector);
>> 289 }
>> 290 aVector->SetSpline(splineFlag);
>> 291 modelManager->FillLambdaVector(aVector, couple, false);
>> 292 if(splineFlag) { aVector->FillSecondDerivatives(); }
>> 293 G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector);
>> 294 }
>> 295 }
>> 296
>> 297 if(1 < verboseLevel) {
>> 298 G4cout << "Lambda table is built for "
>> 299 << num
>> 300 << G4endl;
>> 301 }
>> 302 }
>> 303 if(verboseLevel>0 && ( num == "e-" || num == "mu+" ||
>> 304 num == "proton" || num == "pi-" ||
>> 305 num == "kaon+" || num == "GenericIon")) {
>> 306 PrintInfoDefinition();
>> 307 if(2 < verboseLevel && theLambdaTable)
>> 308 { G4cout << *theLambdaTable << G4endl; }
>> 309 }
>> 310
>> 311 if(1 < verboseLevel) {
>> 312 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() done for "
>> 313 << GetProcessName()
>> 314 << " and particle " << num
>> 315 << G4endl;
>> 316 }
195 } 317 }
196 318
197 //....oooOO0OOooo........oooOO0OOooo........oo 319 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
198 320
199 void G4VMultipleScattering::StartTracking(G4Tr << 321 void G4VMultipleScattering::PrintInfoDefinition()
200 { << 322 {
201 G4VEnergyLossProcess* eloss = nullptr; << 323 if (0 < verboseLevel) {
202 if(track->GetParticleDefinition() != currPar << 324 G4cout << G4endl << GetProcessName()
203 currParticle = track->GetParticleDefinitio << 325 << ": for " << firstParticle->GetParticleName()
204 fIonisation = emManager->GetEnergyLossProc << 326 << " SubType= " << GetProcessSubType()
205 eloss = fIonisation; << 327 << G4endl;
206 } << 328 if (theLambdaTable) {
207 for(G4int i=0; i<numberOfModels; ++i) { << 329 G4cout << " Lambda tables from "
208 G4VMscModel* msc = GetModelByIndex(i); << 330 << G4BestUnit(MinKinEnergy(),"Energy")
209 msc->StartTracking(track); << 331 << " to "
210 if(nullptr != eloss) { << 332 << G4BestUnit(MaxKinEnergy(),"Energy")
211 msc->SetIonisation(eloss, currParticle); << 333 << " in " << nBins << " bins, spline: "
>> 334 << (G4LossTableManager::Instance())->SplineFlag()
>> 335 << G4endl;
>> 336 }
>> 337 PrintInfo();
>> 338 modelManager->DumpModelList(verboseLevel);
>> 339 if (2 < verboseLevel) {
>> 340 G4cout << "LambdaTable address= " << theLambdaTable << G4endl;
>> 341 if(theLambdaTable) { G4cout << (*theLambdaTable) << G4endl; }
212 } 342 }
213 } 343 }
214 } 344 }
215 345
216 //....oooOO0OOooo........oooOO0OOooo........oo 346 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
217 347
218 G4double G4VMultipleScattering::AlongStepGetPh 348 G4double G4VMultipleScattering::AlongStepGetPhysicalInteractionLength(
219 const G4Track& tr 349 const G4Track& track,
220 G4double, 350 G4double,
221 G4double currentM 351 G4double currentMinimalStep,
222 G4double&, 352 G4double&,
223 G4GPILSelection* 353 G4GPILSelection* selection)
224 { 354 {
225 // get Step limit proposed by the process 355 // get Step limit proposed by the process
226 *selection = NotCandidateForSelection; 356 *selection = NotCandidateForSelection;
227 physStepLimit = gPathLength = tPathLength = << 357 G4double x = currentMinimalStep;
228 << 358 DefineMaterial(track.GetMaterialCutsCouple());
229 G4double ekin = track.GetKineticEnergy(); 359 G4double ekin = track.GetKineticEnergy();
230 /* << 360 if(isIon) { ekin *= proton_mass_c2/track.GetParticleDefinition()->GetPDGMass(); }
231 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek << 361 currentModel = static_cast<G4VMscModel*>(SelectModel(ekin));
232 << " " << currParticle->GetParticleN << 362
233 << " currMod " << currentModel << 363 // define ionisation process
234 << G4endl; << 364 if(!currentModel->GetIonisation()) {
235 */ << 365 currentModel->SetIonisation(G4LossTableManager::Instance()
236 // isIon flag is used only to select a model << 366 ->GetEnergyLossProcess(track.GetParticleDefinition()));
237 if(isIon) { << 367 }
238 ekin *= proton_mass_c2/track.GetParticleDe << 368
239 } << 369 if(x > 0.0 && ekin > 0.0 && currentModel->IsActive(ekin)) {
240 const G4MaterialCutsCouple* couple = track.G << 370 G4double tPathLength =
241 << 371 currentModel->ComputeTruePathLengthLimit(track, theLambdaTable, x);
242 // select new model, static cast is possible << 372 if (tPathLength < x) { *selection = CandidateForSelection; }
243 if(1 < numberOfModels) { << 373 x = currentModel->ComputeGeomPathLength(tPathLength);
244 currentModel = << 374 // G4cout << "tPathLength= " << tPathLength
245 static_cast<G4VMscModel*>(SelectModel(ek << 375 // << " stepLimit= " << x
246 } << 376 // << " currentMinimalStep= " << currentMinimalStep<< G4endl;
247 currentModel->SetCurrentCouple(couple); << 377 }
248 // msc is active is model is active, energy << 378 return x;
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) { <<
253 isActive = true; <<
254 tPathLength = <<
255 currentModel->ComputeTruePathLengthLimit <<
256 if (tPathLength < physStepLimit) { <<
257 *selection = CandidateForSelection; <<
258 } <<
259 } else { <<
260 isActive = false; <<
261 gPathLength = DBL_MAX; <<
262 } <<
263 <<
264 //if(currParticle->GetPDGMass() > GeV) <<
265 /* <<
266 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek <<
267 << " " << currParticle->GetParticleN <<
268 << " gPathLength= " << gPathLength <<
269 << " tPathLength= " << tPathLength <<
270 << " currentMinimalStep= " << current <<
271 << " isActive " << isActive << G4endl <<
272 */ <<
273 return gPathLength; <<
274 } 379 }
275 380
276 //....oooOO0OOooo........oooOO0OOooo........oo 381 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
277 382
278 G4double 383 G4double
279 G4VMultipleScattering::PostStepGetPhysicalInte 384 G4VMultipleScattering::PostStepGetPhysicalInteractionLength(
280 const G4Track&, G4double, G4Forc 385 const G4Track&, G4double, G4ForceCondition* condition)
281 { 386 {
282 *condition = NotForced; << 387 *condition = Forced;
283 return DBL_MAX; 388 return DBL_MAX;
284 } 389 }
285 390
286 //....oooOO0OOooo........oooOO0OOooo........oo 391 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
287 392
288 G4VParticleChange* 393 G4VParticleChange*
289 G4VMultipleScattering::AlongStepDoIt(const G4T 394 G4VMultipleScattering::AlongStepDoIt(const G4Track& track, const G4Step& step)
290 { 395 {
291 fParticleChange.InitialiseMSC(track, step); << 396 if(currentModel->IsActive(track.GetKineticEnergy())) {
292 fNewPosition = fParticleChange.GetProposedPo << 397 fParticleChange.ProposeTrueStepLength(currentModel->ComputeTrueStepLength(step.GetStepLength()));
293 fPositionChanged = false; << 398 } else {
294 << 399 fParticleChange.ProposeTrueStepLength(step.GetStepLength());
295 G4double geomLength = step.GetStepLength(); << 400 }
>> 401 return &fParticleChange;
>> 402 }
296 403
297 // very small step - no msc << 404 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
298 if(!isActive) { <<
299 tPathLength = geomLength; <<
300 405
301 // sample msc << 406 G4VParticleChange*
302 } else { << 407 G4VMultipleScattering::PostStepDoIt(const G4Track& track, const G4Step& step)
303 G4double range = << 408 {
304 currentModel->GetRange(currParticle,trac << 409 fParticleChange.Initialize(track);
305 track.GetMaterial << 410 if(currentModel->IsActive(track.GetKineticEnergy())) {
306 << 411 currentModel->SampleScattering(track.GetDynamicParticle(),
307 tPathLength = currentModel->ComputeTrueSte << 412 step.GetPostStepPoint()->GetSafety());
308 <<
309 /* <<
310 if(currParticle->GetPDGMass() > 0.9*GeV) <<
311 G4cout << "G4VMsc::AlongStepDoIt: GeomLeng <<
312 << geomLength <<
313 << " tPathLength= " << tPathLength <<
314 << " physStepLimit= " << physStepLi <<
315 << " dr= " << range - tPathLength <<
316 << " ekin= " << track.GetKineticEne <<
317 */ <<
318 // protection against wrong t->g->t conver <<
319 tPathLength = std::min(tPathLength, physSt <<
320 <<
321 // do not sample scattering at the last or <<
322 if(tPathLength < range && tPathLength > ge <<
323 <<
324 static const G4double minSafety = 1.20*C <<
325 static const G4double sFact = 0.99; <<
326 <<
327 G4ThreeVector displacement = currentMode <<
328 step.GetPostStepPoint()->GetMomentumDi <<
329 <<
330 G4double r2 = displacement.mag2(); <<
331 //G4cout << " R= " << sqrt(r2) << " R <<
332 // << " flag= " << fDispBeyondSafety <<
333 if(r2 > minDisplacement2) { <<
334 <<
335 fPositionChanged = true; <<
336 G4double dispR = std::sqrt(r2); <<
337 G4double postSafety = <<
338 sFact*safetyHelper->ComputeSafety(fN <<
339 //G4cout<<" R= "<< dispR<<" postSaf <<
340 <<
341 // far away from geometry boundary <<
342 if(postSafety > 0.0 && dispR <= postSa <<
343 fNewPosition += displacement; <<
344 <<
345 //near the boundary <<
346 } else { <<
347 // displaced point is definitely wit <<
348 //G4cout<<" R= "<<dispR<<" postSa <<
349 if(dispR < postSafety) { <<
350 fNewPosition += displacement; <<
351 <<
352 // reduced displacement <<
353 } else if(postSafety > geomMin) { <<
354 fNewPosition += displacement*(post <<
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 } <<
366 } <<
367 } 413 }
368 fParticleChange.ProposeTrueStepLength(tPathL <<
369 return &fParticleChange; 414 return &fParticleChange;
370 } 415 }
371 416
372 //....oooOO0OOooo........oooOO0OOooo........oo 417 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
373 418
374 G4double G4VMultipleScattering::GetContinuousS 419 G4double G4VMultipleScattering::GetContinuousStepLimit(
375 const G 420 const G4Track& track,
376 G4doubl 421 G4double previousStepSize,
377 G4doubl 422 G4double currentMinimalStep,
378 G4doubl 423 G4double& currentSafety)
379 { 424 {
380 G4GPILSelection selection = NotCandidateForS 425 G4GPILSelection selection = NotCandidateForSelection;
381 G4double x = AlongStepGetPhysicalInteraction 426 G4double x = AlongStepGetPhysicalInteractionLength(track,previousStepSize,
382 << 427 currentMinimalStep,
383 << 428 currentSafety, &selection);
384 <<
385 return x; 429 return x;
386 } 430 }
387 431
388 //....oooOO0OOooo........oooOO0OOooo........oo 432 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
389 433
390 G4double G4VMultipleScattering::ContinuousStep 434 G4double G4VMultipleScattering::ContinuousStepLimit(
391 const G 435 const G4Track& track,
392 G4doubl 436 G4double previousStepSize,
393 G4doubl 437 G4double currentMinimalStep,
394 G4doubl 438 G4double& currentSafety)
395 { 439 {
396 return GetContinuousStepLimit(track,previous 440 return GetContinuousStepLimit(track,previousStepSize,currentMinimalStep,
397 currentSafety) << 441 currentSafety);
398 } 442 }
399 443
400 //....oooOO0OOooo........oooOO0OOooo........oo 444 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
401 445
402 G4double G4VMultipleScattering::GetMeanFreePat 446 G4double G4VMultipleScattering::GetMeanFreePath(
403 const G4Track&, G4double, G4Forc 447 const G4Track&, G4double, G4ForceCondition* condition)
404 { 448 {
405 *condition = Forced; 449 *condition = Forced;
406 return DBL_MAX; 450 return DBL_MAX;
407 } 451 }
408 452
>> 453 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 454
>> 455 G4PhysicsVector*
>> 456 G4VMultipleScattering::PhysicsVector(const G4MaterialCutsCouple* couple)
>> 457 {
>> 458 G4int nbins = 3;
>> 459 if( couple->IsUsed() ) { nbins = nBins; }
>> 460 G4PhysicsVector* v = new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nbins);
>> 461 v->SetSpline((G4LossTableManager::Instance())->SplineFlag());
>> 462 return v;
>> 463 }
>> 464
409 //....oooOO0OOooo........oooOO0OOooo........oo 465 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
410 466
411 G4bool << 467 G4bool G4VMultipleScattering::StorePhysicsTable(const G4ParticleDefinition* part,
412 G4VMultipleScattering::StorePhysicsTable(const << 468 const G4String& directory,
413 const << 469 G4bool ascii)
414 G4boo <<
415 { 470 {
416 G4bool yes = true; 471 G4bool yes = true;
417 if(part != firstParticle || !emManager->IsMa << 472 if ( theLambdaTable && part == firstParticle) {
418 << 473 const G4String name = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
419 return G4EmTableUtil::StoreMscTable(this, pa << 474 G4bool yes = theLambdaTable->StorePhysicsTable(name,ascii);
420 numberOfModels, verboseLevel, << 475
421 ascii); << 476 if ( yes ) {
>> 477 if ( verboseLevel>0 ) {
>> 478 G4cout << "Physics table are stored for " << part->GetParticleName()
>> 479 << " and process " << GetProcessName()
>> 480 << " in the directory <" << directory
>> 481 << "> " << G4endl;
>> 482 }
>> 483 } else {
>> 484 G4cout << "Fail to store Physics Table for " << part->GetParticleName()
>> 485 << " and process " << GetProcessName()
>> 486 << " in the directory <" << directory
>> 487 << "> " << G4endl;
>> 488 }
>> 489 }
>> 490 return yes;
422 } 491 }
423 492
424 //....oooOO0OOooo........oooOO0OOooo........oo 493 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
425 494
426 G4bool 495 G4bool
427 G4VMultipleScattering::RetrievePhysicsTable(co << 496 G4VMultipleScattering::RetrievePhysicsTable(const G4ParticleDefinition* part,
428 co << 497 const G4String& directory,
429 G4 << 498 G4bool ascii)
430 { << 499 {
431 return true; << 500 if(0 < verboseLevel) {
432 } << 501 G4cout << "G4VMultipleScattering::RetrievePhysicsTable() for "
>> 502 << part->GetParticleName() << " and process "
>> 503 << GetProcessName() << G4endl;
>> 504 }
>> 505 G4bool yes = true;
433 506
434 //....oooOO0OOooo........oooOO0OOooo........oo << 507 if(!buildLambdaTable || firstParticle != part) return yes;
435 508
436 void G4VMultipleScattering::ProcessDescription << 509 const G4String particleName = part->GetParticleName();
437 { << 510
438 if(nullptr != firstParticle) { << 511 G4String filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
439 StreamInfo(outFile, *firstParticle, true); << 512 yes =
>> 513 G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,filename,ascii);
>> 514 if ( yes ) {
>> 515 if (0 < verboseLevel) {
>> 516 G4cout << "Lambda table for " << part->GetParticleName()
>> 517 << " is retrieved from <"
>> 518 << filename << ">"
>> 519 << G4endl;
>> 520 }
>> 521 if((G4LossTableManager::Instance())->SplineFlag()) {
>> 522 size_t n = theLambdaTable->length();
>> 523 for(size_t i=0; i<n; ++i) {
>> 524 if((* theLambdaTable)[i]) {
>> 525 (* theLambdaTable)[i]->SetSpline(true);
>> 526 }
>> 527 }
>> 528 }
>> 529 } else {
>> 530 if (1 < verboseLevel) {
>> 531 G4cout << "Lambda table for " << part->GetParticleName()
>> 532 << " in file <"
>> 533 << filename << "> is not exist"
>> 534 << G4endl;
>> 535 }
440 } 536 }
>> 537 return yes;
441 } 538 }
442 539
443 //....oooOO0OOooo........oooOO0OOooo........oo 540 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
444 541
445 542