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25 // 25 //
>> 26 // $Id: G4VMultipleScattering.cc,v 1.77.2.1 2010/04/06 09:05:17 gcosmo Exp $
>> 27 // GEANT4 tag $Name: geant4-09-03-patch-01 $
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" <<
68 #include "G4Step.hh" 72 #include "G4Step.hh"
69 #include "G4ParticleDefinition.hh" 73 #include "G4ParticleDefinition.hh"
70 #include "G4VEmFluctuationModel.hh" 74 #include "G4VEmFluctuationModel.hh"
>> 75 #include "G4DataVector.hh"
>> 76 #include "G4PhysicsTable.hh"
>> 77 #include "G4PhysicsVector.hh"
>> 78 #include "G4PhysicsLogVector.hh"
71 #include "G4UnitsTable.hh" 79 #include "G4UnitsTable.hh"
72 #include "G4ProductionCutsTable.hh" 80 #include "G4ProductionCutsTable.hh"
73 #include "G4Electron.hh" << 81 #include "G4Region.hh"
>> 82 #include "G4RegionStore.hh"
>> 83 #include "G4PhysicsTableHelper.hh"
74 #include "G4GenericIon.hh" 84 #include "G4GenericIon.hh"
75 #include "G4TransportationManager.hh" << 85 #include "G4Electron.hh"
76 #include "G4SafetyHelper.hh" << 86 #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 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 type):
88 fNewPosition(0.,0.,0.), << 92 G4VContinuousDiscreteProcess(name, type),
89 fNewDirection(0.,0.,1.) << 93 buildLambdaTable(true),
>> 94 theLambdaTable(0),
>> 95 firstParticle(0),
>> 96 stepLimit(fUseSafety),
>> 97 skin(3.0),
>> 98 facrange(0.04),
>> 99 facgeom(2.5),
>> 100 latDisplasment(true),
>> 101 isIon(false),
>> 102 currentParticle(0),
>> 103 currentCouple(0)
90 { 104 {
91 theParameters = G4EmParameters::Instance(); <<
92 SetVerboseLevel(1); 105 SetVerboseLevel(1);
93 SetProcessSubType(fMultipleScattering); 106 SetProcessSubType(fMultipleScattering);
94 107
95 lowestKinEnergy = 10*CLHEP::eV; << 108 // Size of tables assuming spline
>> 109 minKinEnergy = 0.1*keV;
>> 110 maxKinEnergy = 10.0*TeV;
>> 111 nBins = 77;
96 112
97 geomMin = 0.05*CLHEP::nm; << 113 // default limit on polar angle
98 minDisplacement2 = geomMin*geomMin; << 114 polarAngleLimit = 0.0;
99 115
100 pParticleChange = &fParticleChange; 116 pParticleChange = &fParticleChange;
101 117
102 modelManager = new G4EmModelManager(); 118 modelManager = new G4EmModelManager();
103 emManager = G4LossTableManager::Instance(); << 119 (G4LossTableManager::Instance())->Register(this);
104 mscModels.reserve(2); << 120
105 emManager->Register(this); <<
106 } 121 }
107 122
108 //....oooOO0OOooo........oooOO0OOooo........oo 123 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
109 124
110 G4VMultipleScattering::~G4VMultipleScattering( 125 G4VMultipleScattering::~G4VMultipleScattering()
111 { 126 {
>> 127 if(1 < verboseLevel) {
>> 128 G4cout << "G4VMultipleScattering destruct " << GetProcessName()
>> 129 << G4endl;
>> 130 }
112 delete modelManager; 131 delete modelManager;
113 emManager->DeRegister(this); << 132 if (theLambdaTable) {
>> 133 theLambdaTable->clearAndDestroy();
>> 134 delete theLambdaTable;
>> 135 }
>> 136 (G4LossTableManager::Instance())->DeRegister(this);
114 } 137 }
115 138
116 //....oooOO0OOooo........oooOO0OOooo........oo 139 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
117 140
118 void G4VMultipleScattering::AddEmModel(G4int o << 141 void G4VMultipleScattering::AddEmModel(G4int order, G4VEmModel* p,
119 const G << 142 const G4Region* region)
120 { 143 {
121 if(nullptr == ptr) { return; } << 144 G4VEmFluctuationModel* fm = 0;
122 G4VEmFluctuationModel* fm = nullptr; << 145 modelManager->AddEmModel(order, p, fm, region);
123 modelManager->AddEmModel(order, ptr, fm, reg << 146 if(p) p->SetParticleChange(pParticleChange);
124 ptr->SetParticleChange(pParticleChange); <<
125 } 147 }
126 <<
127 //....oooOO0OOooo........oooOO0OOooo........oo 148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
128 149
129 void G4VMultipleScattering::SetEmModel(G4VMscM << 150 void G4VMultipleScattering::SetModel(G4VMscModel* p, G4int index)
130 { 151 {
131 if(nullptr == ptr) { return; } << 152 G4int n = mscModels.size();
132 if(!mscModels.empty()) { << 153 if(index >= n) { for(G4int i=n; i<=index; ++i) {mscModels.push_back(0);} }
133 for(auto & msc : mscModels) { if(msc == pt << 154 mscModels[index] = p;
134 } <<
135 mscModels.push_back(ptr); <<
136 } 155 }
137 156
138 //....oooOO0OOooo........oooOO0OOooo........oo 157 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
139 158
140 void << 159 G4VMscModel* G4VMultipleScattering::Model(G4int index)
141 G4VMultipleScattering::PreparePhysicsTable(con <<
142 { 160 {
143 G4bool master = emManager->IsMaster(); << 161 G4VMscModel* p = 0;
144 if (nullptr == firstParticle) { firstParticl << 162 if(index >= 0 && index < G4int(mscModels.size())) { p = mscModels[index]; }
>> 163 return p;
>> 164 }
145 165
146 emManager->PreparePhysicsTable(&part, this); << 166 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
147 currParticle = nullptr; <<
148 167
149 if(firstParticle == &part) { << 168 G4VEmModel*
150 baseMat = emManager->GetTableBuilder()->Ge << 169 G4VMultipleScattering::GetModelByIndex(G4int idx, G4bool ver) const
151 G4EmTableUtil::PrepareMscProcess(this, par << 170 {
152 stepLimit, facrange, << 171 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 } 172 }
166 173
167 //....oooOO0OOooo........oooOO0OOooo........oo 174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 175
169 void G4VMultipleScattering::BuildPhysicsTable( 176 void G4VMultipleScattering::BuildPhysicsTable(const G4ParticleDefinition& part)
170 { 177 {
171 G4bool master = emManager->IsMaster(); << 178 G4String num = part.GetParticleName();
>> 179 if(1 < verboseLevel) {
>> 180 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
>> 181 << GetProcessName()
>> 182 << " and particle " << num
>> 183 << G4endl;
>> 184 }
>> 185
>> 186 if (buildLambdaTable && firstParticle == &part) {
>> 187
>> 188 const G4ProductionCutsTable* theCoupleTable=
>> 189 G4ProductionCutsTable::GetProductionCutsTable();
>> 190 size_t numOfCouples = theCoupleTable->GetTableSize();
>> 191
>> 192 G4bool splineFlag = (G4LossTableManager::Instance())->SplineFlag();
>> 193
>> 194 G4PhysicsLogVector* aVector = 0;
>> 195 G4PhysicsLogVector* bVector = 0;
>> 196
>> 197 for (size_t i=0; i<numOfCouples; ++i) {
>> 198
>> 199 if (theLambdaTable->GetFlag(i)) {
>> 200 // create physics vector and fill it
>> 201 const G4MaterialCutsCouple* couple =
>> 202 theCoupleTable->GetMaterialCutsCouple(i);
>> 203 if(!bVector) {
>> 204 aVector = static_cast<G4PhysicsLogVector*>(PhysicsVector(couple));
>> 205 bVector = aVector;
>> 206 } else {
>> 207 aVector = new G4PhysicsLogVector(*bVector);
>> 208 }
>> 209 //G4PhysicsVector* aVector = PhysicsVector(couple);
>> 210 aVector->SetSpline(splineFlag);
>> 211 modelManager->FillLambdaVector(aVector, couple, false);
>> 212 if(splineFlag) aVector->FillSecondDerivatives();
>> 213 G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector);
>> 214 }
>> 215 }
172 216
173 if(firstParticle == &part) { << 217 if(1 < verboseLevel) {
174 emManager->BuildPhysicsTable(&part); << 218 G4cout << "Lambda table is built for "
>> 219 << num
>> 220 << G4endl;
>> 221 }
175 } 222 }
176 const G4VMultipleScattering* ptr = this; << 223 if(verboseLevel>0 && ( num == "e-" || num == "mu+" ||
177 if(!master) { << 224 num == "proton" || num == "pi-" ||
178 ptr = static_cast<const G4VMultipleScatter << 225 num == "GenericIon")) {
>> 226 PrintInfoDefinition();
>> 227 if(2 < verboseLevel && theLambdaTable) G4cout << *theLambdaTable << G4endl;
>> 228 }
>> 229
>> 230 if(1 < verboseLevel) {
>> 231 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() done for "
>> 232 << GetProcessName()
>> 233 << " and particle " << num
>> 234 << G4endl;
179 } 235 }
180 <<
181 G4EmTableUtil::BuildMscProcess(this, ptr, pa <<
182 numberOfModels, master); <<
183 } 236 }
184 237
185 //....oooOO0OOooo........oooOO0OOooo........oo 238 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
186 239
187 void G4VMultipleScattering::StreamInfo(std::os << 240 void G4VMultipleScattering::PreparePhysicsTable(const G4ParticleDefinition& part)
188 const G4ParticleDefinition& << 241 {
189 { << 242 if (!firstParticle) {
190 G4String indent = (rst ? " " : ""); << 243 currentCouple = 0;
191 outFile << G4endl << indent << GetProcessNam << 244 if(part.GetParticleType() == "nucleus" &&
192 if (!rst) outFile << " for " << part.GetPart << 245 part.GetParticleSubType() == "generic") {
193 outFile << " SubType= " << GetProcessSubTy << 246 firstParticle = G4GenericIon::GenericIon();
194 modelManager->DumpModelList(outFile, verbose << 247 isIon = true;
>> 248 } else {
>> 249 firstParticle = ∂
>> 250 if(part.GetParticleType() == "nucleus" ||
>> 251 part.GetPDGMass() > GeV) {isIon = true;}
>> 252 }
>> 253 // limitations for ions
>> 254 if(isIon) {
>> 255 SetStepLimitType(fMinimal);
>> 256 SetLateralDisplasmentFlag(false);
>> 257 SetBuildLambdaTable(false);
>> 258 }
>> 259 currentParticle = ∂
>> 260 }
>> 261
>> 262 if(1 < verboseLevel) {
>> 263 G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for "
>> 264 << GetProcessName()
>> 265 << " and particle " << part.GetParticleName()
>> 266 << " local particle " << firstParticle->GetParticleName()
>> 267 << G4endl;
>> 268 }
>> 269
>> 270 (G4LossTableManager::Instance())->EmConfigurator()->AddModels();
>> 271
>> 272 if(firstParticle == &part) {
>> 273
>> 274 InitialiseProcess(firstParticle);
>> 275
>> 276 // initialisation of models
>> 277 G4int nmod = modelManager->NumberOfModels();
>> 278 for(G4int i=0; i<nmod; ++i) {
>> 279 G4VMscModel* msc = static_cast<G4VMscModel*>(modelManager->GetModel(i));
>> 280 if(isIon) {
>> 281 msc->SetStepLimitType(fMinimal);
>> 282 msc->SetLateralDisplasmentFlag(false);
>> 283 msc->SetRangeFactor(0.2);
>> 284 } else {
>> 285 msc->SetStepLimitType(StepLimitType());
>> 286 msc->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
>> 287 msc->SetSkin(Skin());
>> 288 msc->SetRangeFactor(RangeFactor());
>> 289 msc->SetGeomFactor(GeomFactor());
>> 290 }
>> 291 msc->SetPolarAngleLimit(polarAngleLimit);
>> 292 if(msc->HighEnergyLimit() > maxKinEnergy) {
>> 293 msc->SetHighEnergyLimit(maxKinEnergy);
>> 294 }
>> 295 }
>> 296
>> 297 modelManager->Initialise(firstParticle, G4Electron::Electron(),
>> 298 10.0, verboseLevel);
>> 299
>> 300 // prepare tables
>> 301 if(buildLambdaTable) {
>> 302 theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable);
>> 303 }
>> 304 }
195 } 305 }
196 306
197 //....oooOO0OOooo........oooOO0OOooo........oo 307 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
198 308
199 void G4VMultipleScattering::StartTracking(G4Tr << 309 void G4VMultipleScattering::PrintInfoDefinition()
200 { 310 {
201 G4VEnergyLossProcess* eloss = nullptr; << 311 if (0 < verboseLevel) {
202 if(track->GetParticleDefinition() != currPar << 312 G4cout << G4endl << GetProcessName()
203 currParticle = track->GetParticleDefinitio << 313 << ": for " << firstParticle->GetParticleName()
204 fIonisation = emManager->GetEnergyLossProc << 314 << " SubType= " << GetProcessSubType()
205 eloss = fIonisation; << 315 << G4endl;
206 } << 316 if (theLambdaTable) {
207 for(G4int i=0; i<numberOfModels; ++i) { << 317 G4cout << " Lambda tables from "
208 G4VMscModel* msc = GetModelByIndex(i); << 318 << G4BestUnit(MinKinEnergy(),"Energy")
209 msc->StartTracking(track); << 319 << " to "
210 if(nullptr != eloss) { << 320 << G4BestUnit(MaxKinEnergy(),"Energy")
211 msc->SetIonisation(eloss, currParticle); << 321 << " in " << nBins << " bins, spline: "
>> 322 << (G4LossTableManager::Instance())->SplineFlag()
>> 323 << G4endl;
>> 324 }
>> 325 PrintInfo();
>> 326 modelManager->DumpModelList(verboseLevel);
>> 327 if (2 < verboseLevel) {
>> 328 G4cout << "LambdaTable address= " << theLambdaTable << G4endl;
>> 329 if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl;
212 } 330 }
213 } 331 }
214 } 332 }
215 333
216 //....oooOO0OOooo........oooOO0OOooo........oo 334 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
217 335
218 G4double G4VMultipleScattering::AlongStepGetPh 336 G4double G4VMultipleScattering::AlongStepGetPhysicalInteractionLength(
219 const G4Track& tr 337 const G4Track& track,
220 G4double, 338 G4double,
221 G4double currentM 339 G4double currentMinimalStep,
222 G4double&, 340 G4double&,
223 G4GPILSelection* 341 G4GPILSelection* selection)
224 { 342 {
225 // get Step limit proposed by the process 343 // get Step limit proposed by the process
226 *selection = NotCandidateForSelection; 344 *selection = NotCandidateForSelection;
227 physStepLimit = gPathLength = tPathLength = << 345 G4double x = currentMinimalStep;
228 << 346 DefineMaterial(track.GetMaterialCutsCouple());
229 G4double ekin = track.GetKineticEnergy(); 347 G4double ekin = track.GetKineticEnergy();
230 /* << 348 if(isIon) { ekin *= proton_mass_c2/track.GetDefinition()->GetPDGMass(); }
231 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek << 349 currentModel = static_cast<G4VMscModel*>(SelectModel(ekin));
232 << " " << currParticle->GetParticleN << 350 if(x > 0.0 && ekin > 0.0 && currentModel->IsActive(ekin)) {
233 << " currMod " << currentModel << 351 G4double tPathLength =
234 << G4endl; << 352 currentModel->ComputeTruePathLengthLimit(track, theLambdaTable, x);
235 */ << 353 if (tPathLength < x) *selection = CandidateForSelection;
236 // isIon flag is used only to select a model << 354 x = currentModel->ComputeGeomPathLength(tPathLength);
237 if(isIon) { << 355 // G4cout << "tPathLength= " << tPathLength
238 ekin *= proton_mass_c2/track.GetParticleDe << 356 // << " stepLimit= " << x
239 } << 357 // << " currentMinimalStep= " << currentMinimalStep<< G4endl;
240 const G4MaterialCutsCouple* couple = track.G << 358 }
241 << 359 return x;
242 // select new model, static cast is possible <<
243 if(1 < numberOfModels) { <<
244 currentModel = <<
245 static_cast<G4VMscModel*>(SelectModel(ek <<
246 } <<
247 currentModel->SetCurrentCouple(couple); <<
248 // msc is active is model is active, energy <<
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 } 360 }
275 361
276 //....oooOO0OOooo........oooOO0OOooo........oo 362 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
277 363
278 G4double 364 G4double
279 G4VMultipleScattering::PostStepGetPhysicalInte 365 G4VMultipleScattering::PostStepGetPhysicalInteractionLength(
280 const G4Track&, G4double, G4Forc 366 const G4Track&, G4double, G4ForceCondition* condition)
281 { 367 {
282 *condition = NotForced; << 368 *condition = Forced;
283 return DBL_MAX; 369 return DBL_MAX;
284 } 370 }
285 371
286 //....oooOO0OOooo........oooOO0OOooo........oo 372 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
287 373
288 G4VParticleChange* 374 G4VParticleChange*
289 G4VMultipleScattering::AlongStepDoIt(const G4T 375 G4VMultipleScattering::AlongStepDoIt(const G4Track& track, const G4Step& step)
290 { 376 {
291 fParticleChange.InitialiseMSC(track, step); << 377 if(currentModel->IsActive(track.GetKineticEnergy())) {
292 fNewPosition = fParticleChange.GetProposedPo << 378 fParticleChange.ProposeTrueStepLength(currentModel->ComputeTrueStepLength(step.GetStepLength()));
293 fPositionChanged = false; << 379 }
294 << 380 return &fParticleChange;
295 G4double geomLength = step.GetStepLength(); << 381 }
296 382
297 // very small step - no msc << 383 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
298 if(!isActive) { <<
299 tPathLength = geomLength; <<
300 384
301 // sample msc << 385 G4VParticleChange*
302 } else { << 386 G4VMultipleScattering::PostStepDoIt(const G4Track& track, const G4Step& step)
303 G4double range = << 387 {
304 currentModel->GetRange(currParticle,trac << 388 fParticleChange.Initialize(track);
305 track.GetMaterial << 389 if(currentModel->IsActive(track.GetKineticEnergy())) {
306 << 390 currentModel->SampleScattering(track.GetDynamicParticle(),
307 tPathLength = currentModel->ComputeTrueSte << 391 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 } 392 }
368 fParticleChange.ProposeTrueStepLength(tPathL <<
369 return &fParticleChange; 393 return &fParticleChange;
370 } 394 }
371 395
372 //....oooOO0OOooo........oooOO0OOooo........oo 396 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
373 397
374 G4double G4VMultipleScattering::GetContinuousS 398 G4double G4VMultipleScattering::GetContinuousStepLimit(
375 const G 399 const G4Track& track,
376 G4doubl 400 G4double previousStepSize,
377 G4doubl 401 G4double currentMinimalStep,
378 G4doubl 402 G4double& currentSafety)
379 { 403 {
380 G4GPILSelection selection = NotCandidateForS << 404 G4GPILSelection* selection = 0;
381 G4double x = AlongStepGetPhysicalInteraction << 405 return AlongStepGetPhysicalInteractionLength(track,previousStepSize,currentMinimalStep,
382 << 406 currentSafety, selection);
383 <<
384 <<
385 return x; <<
386 } 407 }
387 408
388 //....oooOO0OOooo........oooOO0OOooo........oo 409 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
389 410
390 G4double G4VMultipleScattering::ContinuousStep 411 G4double G4VMultipleScattering::ContinuousStepLimit(
391 const G 412 const G4Track& track,
392 G4doubl 413 G4double previousStepSize,
393 G4doubl 414 G4double currentMinimalStep,
394 G4doubl 415 G4double& currentSafety)
395 { 416 {
396 return GetContinuousStepLimit(track,previous 417 return GetContinuousStepLimit(track,previousStepSize,currentMinimalStep,
397 currentSafety) << 418 currentSafety);
398 } 419 }
399 420
400 //....oooOO0OOooo........oooOO0OOooo........oo 421 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
401 422
402 G4double G4VMultipleScattering::GetMeanFreePat 423 G4double G4VMultipleScattering::GetMeanFreePath(
403 const G4Track&, G4double, G4Forc 424 const G4Track&, G4double, G4ForceCondition* condition)
404 { 425 {
405 *condition = Forced; 426 *condition = Forced;
406 return DBL_MAX; 427 return DBL_MAX;
407 } 428 }
408 429
>> 430 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 431
>> 432 G4PhysicsVector* G4VMultipleScattering::PhysicsVector(const G4MaterialCutsCouple* couple)
>> 433 {
>> 434 G4int nbins = 3;
>> 435 if( couple->IsUsed() ) nbins = nBins;
>> 436 G4PhysicsVector* v = new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nbins);
>> 437 v->SetSpline((G4LossTableManager::Instance())->SplineFlag());
>> 438 return v;
>> 439 }
>> 440
409 //....oooOO0OOooo........oooOO0OOooo........oo 441 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
410 442
411 G4bool << 443 G4bool G4VMultipleScattering::StorePhysicsTable(const G4ParticleDefinition* part,
412 G4VMultipleScattering::StorePhysicsTable(const << 444 const G4String& directory,
413 const << 445 G4bool ascii)
414 G4boo <<
415 { 446 {
416 G4bool yes = true; 447 G4bool yes = true;
417 if(part != firstParticle || !emManager->IsMa << 448 if ( theLambdaTable && part == firstParticle) {
418 << 449 const G4String name = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
419 return G4EmTableUtil::StoreMscTable(this, pa << 450 G4bool yes = theLambdaTable->StorePhysicsTable(name,ascii);
420 numberOfModels, verboseLevel, << 451
421 ascii); << 452 if ( yes ) {
>> 453 if ( verboseLevel>0 ) {
>> 454 G4cout << "Physics table are stored for " << part->GetParticleName()
>> 455 << " and process " << GetProcessName()
>> 456 << " in the directory <" << directory
>> 457 << "> " << G4endl;
>> 458 }
>> 459 } else {
>> 460 G4cout << "Fail to store Physics Table for " << part->GetParticleName()
>> 461 << " and process " << GetProcessName()
>> 462 << " in the directory <" << directory
>> 463 << "> " << G4endl;
>> 464 }
>> 465 }
>> 466 return yes;
422 } 467 }
423 468
424 //....oooOO0OOooo........oooOO0OOooo........oo 469 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
425 470
426 G4bool 471 G4bool
427 G4VMultipleScattering::RetrievePhysicsTable(co << 472 G4VMultipleScattering::RetrievePhysicsTable(const G4ParticleDefinition* part,
428 co << 473 const G4String& directory,
429 G4 << 474 G4bool ascii)
430 { << 475 {
431 return true; << 476 if(0 < verboseLevel) {
432 } << 477 G4cout << "G4VMultipleScattering::RetrievePhysicsTable() for "
>> 478 << part->GetParticleName() << " and process "
>> 479 << GetProcessName() << G4endl;
>> 480 }
>> 481 G4bool yes = true;
433 482
434 //....oooOO0OOooo........oooOO0OOooo........oo << 483 if(!buildLambdaTable || firstParticle != part) return yes;
435 484
436 void G4VMultipleScattering::ProcessDescription << 485 const G4String particleName = part->GetParticleName();
437 { << 486
438 if(nullptr != firstParticle) { << 487 G4String filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
439 StreamInfo(outFile, *firstParticle, true); << 488 yes =
>> 489 G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,filename,ascii);
>> 490 if ( yes ) {
>> 491 if (0 < verboseLevel) {
>> 492 G4cout << "Lambda table for " << part->GetParticleName()
>> 493 << " is retrieved from <"
>> 494 << filename << ">"
>> 495 << G4endl;
>> 496 }
>> 497 if((G4LossTableManager::Instance())->SplineFlag()) {
>> 498 size_t n = theLambdaTable->length();
>> 499 for(size_t i=0; i<n; ++i) {
>> 500 if((* theLambdaTable)[i]) {
>> 501 (* theLambdaTable)[i]->SetSpline(true);
>> 502 }
>> 503 }
>> 504 }
>> 505 } else {
>> 506 if (1 < verboseLevel) {
>> 507 G4cout << "Lambda table for " << part->GetParticleName()
>> 508 << " in file <"
>> 509 << filename << "> is not exist"
>> 510 << G4endl;
>> 511 }
440 } 512 }
>> 513 return yes;
441 } 514 }
442 515
443 //....oooOO0OOooo........oooOO0OOooo........oo 516 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
444 517
445 518