| Geant4 Cross Reference |
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24 // ********************************************************************
25 //
26 #include "G4ChannelingOptrChangeCrossSection.hh"
27 #include "G4BiasingProcessInterface.hh"
28 #include "G4BOptnChangeCrossSection.hh"
29
30 #include "G4ParticleDefinition.hh"
31 #include "G4ParticleTable.hh"
32 #include "G4VProcess.hh"
33
34 #include "Randomize.hh"
35
36 #include "G4InteractionLawPhysical.hh"
37
38 #include "G4ChannelingTrackData.hh"
39 #include "G4EmProcessSubType.hh"
40 #include "G4PhysicsModelCatalog.hh"
41
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
44 G4ChannelingOptrChangeCrossSection::G4ChannelingOptrChangeCrossSection(const G4String& particleName,
45 const G4String& name)
46 :G4VBiasingOperator(name),
47 fChannelingID(G4PhysicsModelCatalog::GetModelID("model_channeling")),
48 fSetup(true){
49 fParticleToBias = G4ParticleTable::GetParticleTable()->FindParticle(particleName);
50
51 if ( fParticleToBias == 0 )
52 {
53 G4ExceptionDescription ed;
54 ed << "Particle `" << particleName << "' not found !" << G4endl;
55 G4Exception("G4ChannelingOptrChangeCrossSection(...)",
56 "G4Channeling",
57 JustWarning,
58 ed);
59 }
60
61 fProcessToDensity["channeling"] = fDensityRatioNone;
62 }
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66 G4ChannelingOptrChangeCrossSection::~G4ChannelingOptrChangeCrossSection(){
67 for ( std::map< const G4BiasingProcessInterface*, G4BOptnChangeCrossSection* >::iterator
68 it = fChangeCrossSectionOperations.begin() ;
69 it != fChangeCrossSectionOperations.end() ;
70 it++ ) delete (*it).second;
71 }
72
73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74
75 void G4ChannelingOptrChangeCrossSection::StartRun(){
76 if ( fSetup ){
77 const G4ProcessManager* processManager = fParticleToBias->GetProcessManager();
78 const G4BiasingProcessSharedData* sharedData =
79 G4BiasingProcessInterface::GetSharedData( processManager );
80 if ( sharedData ){
81 for ( size_t i = 0 ; i < (sharedData->GetPhysicsBiasingProcessInterfaces()).size(); i++ ){
82 const G4BiasingProcessInterface* wrapperProcess =
83 (sharedData->GetPhysicsBiasingProcessInterfaces())[i];
84 const G4String& processName = wrapperProcess->GetWrappedProcess()->GetProcessName();
85 const G4String& operationName = "channelingChangeXS-" + processName;
86 fChangeCrossSectionOperations[wrapperProcess] =
87 new G4BOptnChangeCrossSection(operationName);
88
89 G4ProcessType type = wrapperProcess->GetWrappedProcess()->GetProcessType();
90 G4int subType = wrapperProcess->GetWrappedProcess()->GetProcessSubType();
91
92 switch (type) {
93 case fNotDefined:
94 fProcessToDensity[processName] = fDensityRatioNotDefined;
95 break;
96 case fTransportation:
97 fProcessToDensity[processName] = fDensityRatioNone;
98 break;
99 case fElectromagnetic:
100 if(subType == fCoulombScattering ||
101 subType == fMultipleScattering){
102 fProcessToDensity[processName] = fDensityRatioNuD;
103 }
104 if(subType == fIonisation ||
105 subType == fPairProdByCharged ||
106 subType == fAnnihilation ||
107 subType == fAnnihilationToMuMu ||
108 subType == fAnnihilationToHadrons){
109 fProcessToDensity[processName] = fDensityRatioElD;
110 }
111 if(subType == fBremsstrahlung ||
112 subType == fNuclearStopping){
113 fProcessToDensity[processName] = fDensityRatioNuDElD;
114 }
115
116 if(subType == fCerenkov ||
117 subType == fScintillation ||
118 subType == fSynchrotronRadiation ||
119 subType == fTransitionRadiation){
120 fProcessToDensity[processName] = fDensityRatioNone;
121 }
122 if(subType == fRayleigh ||
123 subType == fPhotoElectricEffect ||
124 subType == fComptonScattering ||
125 subType == fGammaConversion ||
126 subType == fGammaConversionToMuMu){
127 fProcessToDensity[processName] = fDensityRatioNone;
128 }
129 break;
130 case fOptical:
131 fProcessToDensity[processName] = fDensityRatioNone;
132 break;
133 case fHadronic:
134 fProcessToDensity[processName] = fDensityRatioNuD;
135 break;
136 case fPhotolepton_hadron:
137 fProcessToDensity[processName] = fDensityRatioNuD;
138 break;
139 case fGeneral:
140 fProcessToDensity[processName] = fDensityRatioNone;
141 break;
142 case fDecay:
143 fProcessToDensity[processName] = fDensityRatioNone;
144 break;
145 case fParameterisation:
146 fProcessToDensity[processName] = fDensityRatioNone;
147 break;
148 case fUserDefined:
149 fProcessToDensity[processName] = fDensityRatioNone;
150 break;
151 case fParallel:
152 fProcessToDensity[processName] = fDensityRatioNone;
153 break;
154 case fPhonon:
155 fProcessToDensity[processName] = fDensityRatioNone;
156 break;
157 case fUCN:
158 fProcessToDensity[processName] = fDensityRatioNone;
159 break;
160 default:
161 fProcessToDensity[processName] = fDensityRatioNone;
162 break;
163 }
164 }
165 }
166 fSetup = false;
167 }
168 }
169
170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
171
172 G4VBiasingOperation*
173 G4ChannelingOptrChangeCrossSection::ProposeOccurenceBiasingOperation(const G4Track* track,
174 const G4BiasingProcessInterface*
175 callingProcess)
176 {
177 if ( track->GetDefinition() != fParticleToBias ) return 0;
178
179 G4double analogInteractionLength =
180 callingProcess->GetWrappedProcess()->GetCurrentInteractionLength();
181 if ( analogInteractionLength > DBL_MAX/10. ) return 0;
182
183 G4double analogXS = 1./analogInteractionLength;
184
185 G4ChannelingTrackData* trackdata =
186 (G4ChannelingTrackData*)(track->GetAuxiliaryTrackInformation(fChannelingID));
187 if(trackdata==nullptr) return 0;
188
189 G4double XStransformation = 1.;
190 auto search = fProcessToDensity.find(callingProcess->GetWrappedProcess()->GetProcessName());
191 if(search != fProcessToDensity.end()) {
192 switch (search->second) {
193 case fDensityRatioNuDElD:
194 XStransformation = trackdata->GetDensity();
195 break;
196 case fDensityRatioNuD:
197 XStransformation = trackdata->GetNuD();
198 break;
199 case fDensityRatioElD:
200 XStransformation = trackdata->GetElD();
201 break;
202 case fDensityRatioNone:
203 return 0;
204 break;
205 case fDensityRatioNotDefined:
206 return 0;
207 break;
208 default:
209 return 0;
210 break;
211 }
212 }
213 else{
214 XStransformation = trackdata->GetDensity();
215 }
216
217 G4BOptnChangeCrossSection* operation = fChangeCrossSectionOperations[callingProcess];
218 G4VBiasingOperation* previousOperation = callingProcess->GetPreviousOccurenceBiasingOperation();
219
220 if ( previousOperation == 0 ){
221 operation->SetBiasedCrossSection( XStransformation * analogXS );
222 operation->Sample();
223 }
224 else{
225 if ( previousOperation != operation ){
226 G4ExceptionDescription ed;
227 ed << " Logic problem in operation handling !" << G4endl;
228 G4Exception("G4ChannelingOptrChangeCrossSection::ProposeOccurenceBiasingOperation(...)",
229 "G4Channeling",
230 JustWarning,
231 ed);
232 return 0;
233 }
234 if ( operation->GetInteractionOccured() ){
235 operation->SetBiasedCrossSection( XStransformation * analogXS );
236 operation->Sample();
237 }
238 else{
239 operation->UpdateForStep( callingProcess->GetPreviousStepSize() );
240 operation->SetBiasedCrossSection( XStransformation * analogXS );
241 operation->UpdateForStep( 0.0 );
242 }
243 }
244
245 return operation;
246
247 }
248
249 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
250
251 void G4ChannelingOptrChangeCrossSection::
252 OperationApplied(const G4BiasingProcessInterface* callingProcess,
253 G4BiasingAppliedCase,
254 G4VBiasingOperation* occurenceOperationApplied,
255 G4double,
256 G4VBiasingOperation*,
257 const G4VParticleChange* )
258 {
259 G4BOptnChangeCrossSection* operation = fChangeCrossSectionOperations[callingProcess];
260 if ( operation == occurenceOperationApplied ) operation->SetInteractionOccured();
261 }
262
263 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
264