| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // Author: Sebastien Incerti 26 // Author: Sebastien Incerti
27 // 31 March 2012 27 // 31 March 2012
28 // on base of G4LivermoreRayleighModel 28 // on base of G4LivermoreRayleighModel
29 // 29 //
30 30
31 #include "G4LivermoreRayleighModel.hh" 31 #include "G4LivermoreRayleighModel.hh"
32 <<
33 #include "G4AutoLock.hh" <<
34 #include "G4EmParameters.hh" <<
35 #include "G4RayleighAngularGenerator.hh" <<
36 #include "G4SystemOfUnits.hh" 32 #include "G4SystemOfUnits.hh"
>> 33 #include "G4RayleighAngularGenerator.hh"
37 34
38 //....oooOO0OOooo........oooOO0OOooo........oo << 35 using namespace std;
39 <<
40 namespace <<
41 { <<
42 G4Mutex LivermoreRayleighModelMutex = G4MUTEX_ <<
43 } <<
44 <<
45 G4PhysicsFreeVector* G4LivermoreRayleighModel: <<
46 G4String G4LivermoreRayleighModel::gDataDirect <<
47 36
48 //....oooOO0OOooo........oooOO0OOooo........oo 37 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 38 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
49 39
50 G4LivermoreRayleighModel::G4LivermoreRayleighM << 40 G4LivermoreRayleighModel::G4LivermoreRayleighModel()
>> 41 :G4VEmModel("LivermoreRayleigh"),isInitialised(false),maxZ(100)
51 { 42 {
52 fParticleChange = nullptr; << 43 fParticleChange = 0;
53 lowEnergyLimit = 10 * CLHEP::eV; << 44 lowEnergyLimit = 10 * eV;
>> 45
>> 46 dataCS.resize(maxZ+1,0);
54 47
55 SetAngularDistribution(new G4RayleighAngular 48 SetAngularDistribution(new G4RayleighAngularGenerator());
56 << 49
57 verboseLevel = 0; << 50 verboseLevel= 0;
58 // Verbosity scale for debugging purposes: 51 // Verbosity scale for debugging purposes:
59 // 0 = nothing << 52 // 0 = nothing
60 // 1 = calculation of cross sections, file o 53 // 1 = calculation of cross sections, file openings...
61 // 2 = entering in methods 54 // 2 = entering in methods
62 55
63 if (verboseLevel > 0) { << 56 if(verboseLevel > 0)
>> 57 {
64 G4cout << "G4LivermoreRayleighModel is con 58 G4cout << "G4LivermoreRayleighModel is constructed " << G4endl;
65 } 59 }
>> 60
66 } 61 }
67 62
68 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 64
70 G4LivermoreRayleighModel::~G4LivermoreRayleigh 65 G4LivermoreRayleighModel::~G4LivermoreRayleighModel()
71 { << 66 {
72 if (IsMaster()) { << 67 for(G4int i=0; i<=maxZ; ++i) { delete dataCS[i]; }
73 for (G4int i = 0; i <= maxZ; ++i) { <<
74 if (nullptr != dataCS[i]) { <<
75 delete dataCS[i]; <<
76 dataCS[i] = nullptr; <<
77 } <<
78 } <<
79 } <<
80 } 68 }
81 69
82 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
83 71
84 void G4LivermoreRayleighModel::Initialise(cons 72 void G4LivermoreRayleighModel::Initialise(const G4ParticleDefinition* particle,
85 cons << 73 const G4DataVector& cuts)
86 { 74 {
87 if (verboseLevel > 1) { << 75 if (verboseLevel > 1)
>> 76 {
88 G4cout << "Calling Initialise() of G4Liver 77 G4cout << "Calling Initialise() of G4LivermoreRayleighModel." << G4endl
89 << "Energy range: " << LowEnergyLim << 78 << "Energy range: "
90 << " GeV" << G4endl; << 79 << LowEnergyLimit() / eV << " eV - "
91 } << 80 << HighEnergyLimit() / GeV << " GeV"
92 << 81 << G4endl;
93 if (IsMaster()) { << 82 }
94 // Initialise element selector << 83
95 InitialiseElementSelectors(particle, cuts) << 84 // Initialise element selector
96 << 85 InitialiseElementSelectors(particle, cuts);
97 // Access to elements << 86
98 const G4ElementTable* elemTable = G4Elemen << 87 // Access to elements
99 std::size_t numElems = (*elemTable).size() << 88
100 for (std::size_t ie = 0; ie < numElems; ++ << 89 char* path = getenv("G4LEDATA");
101 const G4Element* elem = (*elemTable)[ie] << 90 G4ProductionCutsTable* theCoupleTable =
102 const G4int Z = std::min(maxZ, elem->Get << 91 G4ProductionCutsTable::GetProductionCutsTable();
103 if (dataCS[Z] == nullptr) { << 92 G4int numOfCouples = theCoupleTable->GetTableSize();
104 ReadData(Z); << 93
105 } << 94 for(G4int i=0; i<numOfCouples; ++i)
106 } << 95 {
107 } << 96 const G4MaterialCutsCouple* couple =
108 if (isInitialised) { << 97 theCoupleTable->GetMaterialCutsCouple(i);
109 return; << 98 const G4Material* material = couple->GetMaterial();
110 } << 99 const G4ElementVector* theElementVector = material->GetElementVector();
>> 100 G4int nelm = material->GetNumberOfElements();
>> 101
>> 102 for (G4int j=0; j<nelm; ++j)
>> 103 {
>> 104 G4int Z = G4lrint((*theElementVector)[j]->GetZ());
>> 105 if(Z < 1) { Z = 1; }
>> 106 else if(Z > maxZ) { Z = maxZ; }
>> 107 if( (!dataCS[Z]) ) { ReadData(Z, path); }
>> 108 }
>> 109 }
>> 110 //
>> 111
>> 112 //fGenerator->PrintGeneratorInformation();
>> 113
>> 114 if(isInitialised) { return; }
111 fParticleChange = GetParticleChangeForGamma( 115 fParticleChange = GetParticleChangeForGamma();
112 isInitialised = true; 116 isInitialised = true;
113 } <<
114 117
115 //....oooOO0OOooo........oooOO0OOooo........oo <<
116 <<
117 void G4LivermoreRayleighModel::InitialiseLocal <<
118 { <<
119 SetElementSelectors(masterModel->GetElementS <<
120 } 118 }
121 119
122 //....oooOO0OOooo........oooOO0OOooo........oo 120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
123 121
124 const G4String& G4LivermoreRayleighModel::Find << 122 void G4LivermoreRayleighModel::ReadData(size_t Z, const char* path)
125 { 123 {
126 // no check in this method - environment var << 124 if (verboseLevel > 1)
127 if (gDataDirectory.empty()) { << 125 {
128 auto param = G4EmParameters::Instance(); << 126 G4cout << "Calling ReadData() of G4LivermoreRayleighModel"
129 std::ostringstream ost; << 127 << G4endl;
130 if (param->LivermoreDataDir() == "livermor << 128 }
131 ost << param->GetDirLEDATA() << "/liverm << 129
>> 130 if(dataCS[Z]) { return; }
>> 131
>> 132 const char* datadir = path;
>> 133
>> 134 if(!datadir)
>> 135 {
>> 136 datadir = getenv("G4LEDATA");
>> 137 if(!datadir)
>> 138 {
>> 139 G4Exception("G4LivermoreRayleighModelModel::ReadData()","em0006",
>> 140 FatalException,
>> 141 "Environment variable G4LEDATA not defined");
>> 142 return;
132 } 143 }
133 else { <<
134 ost << param->GetDirLEDATA() << "/epics2 <<
135 } <<
136 gDataDirectory = ost.str(); <<
137 } <<
138 return gDataDirectory; <<
139 } <<
140 <<
141 //....oooOO0OOooo........oooOO0OOooo........oo <<
142 <<
143 void G4LivermoreRayleighModel::ReadData(const <<
144 { <<
145 if (verboseLevel > 1) { <<
146 G4cout << "Calling ReadData() of G4Livermo <<
147 } <<
148 const G4int Z = std::min(ZZ, maxZ); <<
149 <<
150 if (nullptr != dataCS[Z]) { <<
151 return; <<
152 } 144 }
153 145
154 dataCS[Z] = new G4PhysicsFreeVector(); << 146 //
155 << 147
>> 148 dataCS[Z] = new G4LPhysicsFreeVector();
>> 149
>> 150 // Activation of spline interpolation
>> 151 //dataCS[Z] ->SetSpline(true);
>> 152
156 std::ostringstream ostCS; 153 std::ostringstream ostCS;
157 ostCS << FindDirectoryPath() << "re-cs-" << << 154 ostCS << datadir << "/livermore/rayl/re-cs-" << Z <<".dat";
158 <<
159 std::ifstream finCS(ostCS.str().c_str()); 155 std::ifstream finCS(ostCS.str().c_str());
160 << 156
161 if (!finCS.is_open()) { << 157 if( !finCS .is_open() )
>> 158 {
162 G4ExceptionDescription ed; 159 G4ExceptionDescription ed;
163 ed << "G4LivermoreRayleighModel data file << 160 ed << "G4LivermoreRayleighModel data file <" << ostCS.str().c_str()
164 << G4endl; << 161 << "> is not opened!" << G4endl;
165 G4Exception("G4LivermoreRayleighModel::Rea << 162 G4Exception("G4LivermoreRayleighModel::ReadData()","em0003",FatalException,
166 "G4LEDATA version should be G4 << 163 ed,"G4LEDATA version should be G4EMLOW6.27 or later.");
167 return; 164 return;
168 } << 165 }
169 else { << 166 else
170 if (verboseLevel > 3) { << 167 {
171 G4cout << "File " << ostCS.str() << " is << 168 if(verboseLevel > 3) {
>> 169 G4cout << "File " << ostCS.str()
>> 170 << " is opened by G4LivermoreRayleighModel" << G4endl;
172 } 171 }
173 dataCS[Z]->Retrieve(finCS, true); 172 dataCS[Z]->Retrieve(finCS, true);
174 } << 173 }
175 } 174 }
176 175
177 //....oooOO0OOooo........oooOO0OOooo........oo 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
178 177
179 G4double G4LivermoreRayleighModel::ComputeCros << 178 G4double G4LivermoreRayleighModel::ComputeCrossSectionPerAtom(
180 << 179 const G4ParticleDefinition*,
181 << 180 G4double GammaEnergy,
>> 181 G4double Z, G4double,
>> 182 G4double, G4double)
182 { 183 {
183 if (verboseLevel > 1) { << 184 if (verboseLevel > 1)
184 G4cout << "G4LivermoreRayleighModel::Compu << 185 {
185 } << 186 G4cout << "Calling ComputeCrossSectionPerAtom() of G4LivermoreRayleighModel"
186 << 187 << G4endl;
187 if (GammaEnergy < lowEnergyLimit) { <<
188 return 0.0; <<
189 } 188 }
190 189
>> 190 if(GammaEnergy < lowEnergyLimit) { return 0.0; }
>> 191
191 G4double xs = 0.0; 192 G4double xs = 0.0;
>> 193
192 G4int intZ = G4lrint(Z); 194 G4int intZ = G4lrint(Z);
193 if (intZ < 1 || intZ > maxZ) { <<
194 return xs; <<
195 } <<
196 195
197 G4PhysicsFreeVector* pv = dataCS[intZ]; << 196 if(intZ < 1 || intZ > maxZ) { return xs; }
198 197
199 // if element was not initialised << 198 G4LPhysicsFreeVector* pv = dataCS[intZ];
200 // do initialisation safely for MT mode <<
201 if (nullptr == pv) { <<
202 InitialiseForElement(nullptr, intZ); <<
203 pv = dataCS[intZ]; <<
204 if (nullptr == pv) { <<
205 return xs; <<
206 } <<
207 } <<
208 199
209 auto n = G4int(pv->GetVectorLength() - 1); << 200 // element was not initialised
210 G4double e = GammaEnergy / MeV; << 201 if(!pv)
211 if (e >= pv->Energy(n)) { << 202 {
212 xs = (*pv)[n] / (e * e); << 203 char* path = getenv("G4LEDATA");
213 } << 204 ReadData(intZ, path);
214 else if (e >= pv->Energy(0)) { << 205 pv = dataCS[intZ];
215 xs = pv->Value(e) / (e * e); << 206 if(!pv) { return xs; }
216 } 207 }
217 208
218 if (verboseLevel > 1) { << 209 G4int n = pv->GetVectorLength() - 1;
219 G4cout << "****** DEBUG: tcs value for Z=" << 210 G4double e = GammaEnergy/MeV;
220 G4cout << " cs (Geant4 internal unit)=" < << 211 if(e >= pv->Energy(n)) {
221 G4cout << " -> first E*E*cs value in CS << 212 xs = (*pv)[n]/(e*e);
222 G4cout << " -> last E*E*cs value in CS << 213 } else if(e >= pv->Energy(0)) {
223 G4cout << "******************************* << 214 xs = pv->Value(e)/(e*e);
>> 215 }
>> 216
>> 217 if(verboseLevel > 0)
>> 218 {
>> 219 G4cout << "****** DEBUG: tcs value for Z=" << Z << " at energy (MeV)=" << e << G4endl;
>> 220 G4cout << " cs (Geant4 internal unit)=" << xs << G4endl;
>> 221 G4cout << " -> first E*E*cs value in CS data file (iu) =" << (*pv)[0] << G4endl;
>> 222 G4cout << " -> last E*E*cs value in CS data file (iu) =" << (*pv)[n] << G4endl;
>> 223 G4cout << "*********************************************************" << G4endl;
224 } 224 }
225 return xs; 225 return xs;
226 } 226 }
227 227
228 //....oooOO0OOooo........oooOO0OOooo........oo 228 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
229 229
230 void G4LivermoreRayleighModel::SampleSecondari << 230 void G4LivermoreRayleighModel::SampleSecondaries(
231 << 231 std::vector<G4DynamicParticle*>*,
232 << 232 const G4MaterialCutsCouple* couple,
233 << 233 const G4DynamicParticle* aDynamicGamma,
>> 234 G4double, G4double)
234 { 235 {
235 if (verboseLevel > 1) { 236 if (verboseLevel > 1) {
236 G4cout << "Calling SampleSecondaries() of << 237 G4cout << "Calling SampleSecondaries() of G4LivermoreRayleighModel"
>> 238 << G4endl;
237 } 239 }
238 G4double photonEnergy0 = aDynamicGamma->GetK 240 G4double photonEnergy0 = aDynamicGamma->GetKineticEnergy();
239 241
>> 242 // absorption of low-energy gamma
>> 243 if (photonEnergy0 <= lowEnergyLimit)
>> 244 {
>> 245 fParticleChange->ProposeTrackStatus(fStopAndKill);
>> 246 fParticleChange->SetProposedKineticEnergy(0.);
>> 247 fParticleChange->ProposeLocalEnergyDeposit(photonEnergy0);
>> 248 return ;
>> 249 }
>> 250
240 // Select randomly one element in the curren 251 // Select randomly one element in the current material
241 const G4ParticleDefinition* particle = aDyna << 252 const G4ParticleDefinition* particle = aDynamicGamma->GetDefinition();
242 const G4Element* elm = SelectRandomAtom(coup << 253 const G4Element* elm = SelectRandomAtom(couple,particle,photonEnergy0);
243 G4int Z = elm->GetZasInt(); << 254 G4int Z = G4lrint(elm->GetZ());
244 255
245 // Sample the angle of the scattered photon 256 // Sample the angle of the scattered photon
246 G4ThreeVector photonDirection = GetAngularDi << 257
247 aDynamicGamma, photonEnergy0, Z, couple->G << 258 G4ThreeVector photonDirection =
>> 259 GetAngularDistribution()->SampleDirection(aDynamicGamma,
>> 260 photonEnergy0, Z, couple->GetMaterial());
248 fParticleChange->ProposeMomentumDirection(ph 261 fParticleChange->ProposeMomentumDirection(photonDirection);
249 } <<
250 <<
251 //....oooOO0OOooo........oooOO0OOooo........oo <<
252 <<
253 void G4LivermoreRayleighModel::InitialiseForEl <<
254 { <<
255 if (nullptr != dataCS[Z]) { <<
256 return; <<
257 } <<
258 G4AutoLock l(&LivermoreRayleighModelMutex); <<
259 if (nullptr == dataCS[Z]) { <<
260 ReadData(Z); <<
261 } <<
262 l.unlock(); <<
263 } 262 }
264 263
265 //....oooOO0OOooo........oooOO0OOooo........oo 264 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
266 265