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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"
>> 34 #include "G4EmParameters.hh"
>> 35 #include "G4AutoLock.hh"
37 36
38 //....oooOO0OOooo........oooOO0OOooo........oo 37 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
39 38
40 namespace << 39 using namespace std;
41 { << 40 namespace { G4Mutex LivermoreRayleighModelMutex = G4MUTEX_INITIALIZER; }
42 G4Mutex LivermoreRayleighModelMutex = G4MUTEX_ <<
43 } <<
44 <<
45 G4PhysicsFreeVector* G4LivermoreRayleighModel: <<
46 G4String G4LivermoreRayleighModel::gDataDirect <<
47 41
48 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
49 43
50 G4LivermoreRayleighModel::G4LivermoreRayleighM << 44 G4PhysicsFreeVector* G4LivermoreRayleighModel::dataCS[] = {nullptr};
>> 45
>> 46 G4LivermoreRayleighModel::G4LivermoreRayleighModel()
>> 47 :G4VEmModel("LivermoreRayleigh"),maxZ(100),isInitialised(false)
51 { 48 {
52 fParticleChange = nullptr; 49 fParticleChange = nullptr;
53 lowEnergyLimit = 10 * CLHEP::eV; << 50 lowEnergyLimit = 10 * CLHEP::eV;
54 << 51
55 SetAngularDistribution(new G4RayleighAngular 52 SetAngularDistribution(new G4RayleighAngularGenerator());
56 << 53
57 verboseLevel = 0; << 54 verboseLevel= 0;
58 // Verbosity scale for debugging purposes: 55 // Verbosity scale for debugging purposes:
59 // 0 = nothing << 56 // 0 = nothing
60 // 1 = calculation of cross sections, file o 57 // 1 = calculation of cross sections, file openings...
61 // 2 = entering in methods 58 // 2 = entering in methods
62 59
63 if (verboseLevel > 0) { << 60 if(verboseLevel > 0)
>> 61 {
64 G4cout << "G4LivermoreRayleighModel is con 62 G4cout << "G4LivermoreRayleighModel is constructed " << G4endl;
65 } 63 }
>> 64
66 } 65 }
67 66
68 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 68
70 G4LivermoreRayleighModel::~G4LivermoreRayleigh 69 G4LivermoreRayleighModel::~G4LivermoreRayleighModel()
71 { 70 {
72 if (IsMaster()) { << 71 if(IsMaster())
73 for (G4int i = 0; i <= maxZ; ++i) { << 72 {
74 if (nullptr != dataCS[i]) { << 73 for(G4int i = 0; i <= maxZ; ++i)
>> 74 {
>> 75 if(dataCS[i])
>> 76 {
75 delete dataCS[i]; 77 delete dataCS[i];
76 dataCS[i] = nullptr; 78 dataCS[i] = nullptr;
77 } 79 }
78 } 80 }
79 } 81 }
80 } 82 }
81 83
82 //....oooOO0OOooo........oooOO0OOooo........oo 84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
83 85
84 void G4LivermoreRayleighModel::Initialise(cons 86 void G4LivermoreRayleighModel::Initialise(const G4ParticleDefinition* particle,
85 cons << 87 const G4DataVector& cuts)
86 { 88 {
87 if (verboseLevel > 1) { << 89 if (verboseLevel > 1)
>> 90 {
88 G4cout << "Calling Initialise() of G4Liver 91 G4cout << "Calling Initialise() of G4LivermoreRayleighModel." << G4endl
89 << "Energy range: " << LowEnergyLim << 92 << "Energy range: "
90 << " GeV" << G4endl; << 93 << LowEnergyLimit() / eV << " eV - "
>> 94 << HighEnergyLimit() / GeV << " GeV"
>> 95 << G4endl;
91 } 96 }
92 97
93 if (IsMaster()) { << 98 if(IsMaster()) {
94 // Initialise element selector 99 // Initialise element selector
95 InitialiseElementSelectors(particle, cuts) 100 InitialiseElementSelectors(particle, cuts);
96 101
97 // Access to elements 102 // Access to elements
>> 103 const char* path = G4FindDataDir("G4LEDATA");
98 const G4ElementTable* elemTable = G4Elemen 104 const G4ElementTable* elemTable = G4Element::GetElementTable();
99 std::size_t numElems = (*elemTable).size() << 105 std::size_t numElems = (*elemTable).size();
100 for (std::size_t ie = 0; ie < numElems; ++ << 106 for(std::size_t ie = 0; ie < numElems; ++ie)
>> 107 {
101 const G4Element* elem = (*elemTable)[ie] 108 const G4Element* elem = (*elemTable)[ie];
102 const G4int Z = std::min(maxZ, elem->Get << 109 const G4int Z = std::min(maxZ, elem->GetZasInt());
103 if (dataCS[Z] == nullptr) { << 110 if(dataCS[Z] == nullptr)
104 ReadData(Z); << 111 {
>> 112 ReadData(Z, path);
105 } 113 }
106 } 114 }
107 } 115 }
108 if (isInitialised) { << 116 if(isInitialised) { return; }
109 return; <<
110 } <<
111 fParticleChange = GetParticleChangeForGamma( 117 fParticleChange = GetParticleChangeForGamma();
112 isInitialised = true; 118 isInitialised = true;
113 } 119 }
114 120
115 //....oooOO0OOooo........oooOO0OOooo........oo 121 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
116 122
117 void G4LivermoreRayleighModel::InitialiseLocal << 123 void G4LivermoreRayleighModel::InitialiseLocal(const G4ParticleDefinition*,
>> 124 G4VEmModel* masterModel)
118 { 125 {
119 SetElementSelectors(masterModel->GetElementS 126 SetElementSelectors(masterModel->GetElementSelectors());
120 } 127 }
121 128
122 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
123 130
124 const G4String& G4LivermoreRayleighModel::Find << 131 void G4LivermoreRayleighModel::ReadData(std::size_t Z, const char* path)
125 { 132 {
126 // no check in this method - environment var << 133 if (verboseLevel > 1)
127 if (gDataDirectory.empty()) { << 134 {
128 auto param = G4EmParameters::Instance(); << 135 G4cout << "Calling ReadData() of G4LivermoreRayleighModel"
129 std::ostringstream ost; << 136 << G4endl;
130 if (param->LivermoreDataDir() == "livermor << 137 }
131 ost << param->GetDirLEDATA() << "/liverm << 138
>> 139 if(nullptr != dataCS[Z]) { return; }
>> 140
>> 141 const char* datadir = path;
>> 142
>> 143 if(datadir == nullptr)
>> 144 {
>> 145 datadir = G4FindDataDir("G4LEDATA");
>> 146 if(datadir == nullptr)
>> 147 {
>> 148 G4Exception("G4LivermoreRayleighModelModel::ReadData()","em0006",
>> 149 FatalException,
>> 150 "Environment variable G4LEDATA not defined");
>> 151 return;
132 } 152 }
133 else { <<
134 ost << param->GetDirLEDATA() << "/epics2 <<
135 } <<
136 gDataDirectory = ost.str(); <<
137 } 153 }
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 } <<
153 <<
154 dataCS[Z] = new G4PhysicsFreeVector(); 154 dataCS[Z] = new G4PhysicsFreeVector();
155 << 155
156 std::ostringstream ostCS; 156 std::ostringstream ostCS;
157 ostCS << FindDirectoryPath() << "re-cs-" << << 157 if(G4EmParameters::Instance()->LivermoreDataDir() == "livermore"){
>> 158 ostCS << datadir << "/livermore/rayl/re-cs-" << Z <<".dat";
>> 159 }else{
>> 160 ostCS << datadir << "/epics2017/rayl/re-cs-" << Z <<".dat";
>> 161 }
158 162
159 std::ifstream finCS(ostCS.str().c_str()); 163 std::ifstream finCS(ostCS.str().c_str());
160 << 164
161 if (!finCS.is_open()) { << 165 if( !finCS .is_open() )
>> 166 {
162 G4ExceptionDescription ed; 167 G4ExceptionDescription ed;
163 ed << "G4LivermoreRayleighModel data file << 168 ed << "G4LivermoreRayleighModel data file <" << ostCS.str().c_str()
164 << G4endl; << 169 << "> is not opened!" << G4endl;
165 G4Exception("G4LivermoreRayleighModel::Rea << 170 G4Exception("G4LivermoreRayleighModel::ReadData()","em0003",FatalException,
166 "G4LEDATA version should be G4 << 171 ed,"G4LEDATA version should be G4EMLOW8.0 or later.");
167 return; 172 return;
168 } << 173 }
169 else { << 174 else
170 if (verboseLevel > 3) { << 175 {
171 G4cout << "File " << ostCS.str() << " is << 176 if(verboseLevel > 3) {
>> 177 G4cout << "File " << ostCS.str()
>> 178 << " is opened by G4LivermoreRayleighModel" << G4endl;
172 } 179 }
173 dataCS[Z]->Retrieve(finCS, true); 180 dataCS[Z]->Retrieve(finCS, true);
174 } << 181 }
175 } 182 }
176 183
177 //....oooOO0OOooo........oooOO0OOooo........oo 184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
178 185
179 G4double G4LivermoreRayleighModel::ComputeCros << 186 G4double G4LivermoreRayleighModel::ComputeCrossSectionPerAtom(
180 << 187 const G4ParticleDefinition*,
181 << 188 G4double GammaEnergy,
>> 189 G4double Z, G4double,
>> 190 G4double, G4double)
182 { 191 {
183 if (verboseLevel > 1) { << 192 if (verboseLevel > 1)
184 G4cout << "G4LivermoreRayleighModel::Compu << 193 {
185 } << 194 G4cout << "G4LivermoreRayleighModel::ComputeCrossSectionPerAtom()"
186 << 195 << G4endl;
187 if (GammaEnergy < lowEnergyLimit) { <<
188 return 0.0; <<
189 } 196 }
190 197
>> 198 if(GammaEnergy < lowEnergyLimit) { return 0.0; }
>> 199
191 G4double xs = 0.0; 200 G4double xs = 0.0;
192 G4int intZ = G4lrint(Z); 201 G4int intZ = G4lrint(Z);
193 if (intZ < 1 || intZ > maxZ) { << 202 if(intZ < 1 || intZ > maxZ) { return xs; }
194 return xs; <<
195 } <<
196 203
197 G4PhysicsFreeVector* pv = dataCS[intZ]; 204 G4PhysicsFreeVector* pv = dataCS[intZ];
198 205
199 // if element was not initialised 206 // if element was not initialised
200 // do initialisation safely for MT mode 207 // do initialisation safely for MT mode
201 if (nullptr == pv) { << 208 if(nullptr == pv) {
202 InitialiseForElement(nullptr, intZ); << 209 InitialiseForElement(0, intZ);
203 pv = dataCS[intZ]; 210 pv = dataCS[intZ];
204 if (nullptr == pv) { << 211 if(nullptr == pv) { return xs; }
205 return xs; <<
206 } <<
207 } <<
208 <<
209 auto n = G4int(pv->GetVectorLength() - 1); <<
210 G4double e = GammaEnergy / MeV; <<
211 if (e >= pv->Energy(n)) { <<
212 xs = (*pv)[n] / (e * e); <<
213 } <<
214 else if (e >= pv->Energy(0)) { <<
215 xs = pv->Value(e) / (e * e); <<
216 } 212 }
217 213
218 if (verboseLevel > 1) { << 214 G4int n = G4int(pv->GetVectorLength() - 1);
219 G4cout << "****** DEBUG: tcs value for Z=" << 215 G4double e = GammaEnergy/MeV;
220 G4cout << " cs (Geant4 internal unit)=" < << 216 if(e >= pv->Energy(n)) {
221 G4cout << " -> first E*E*cs value in CS << 217 xs = (*pv)[n]/(e*e);
222 G4cout << " -> last E*E*cs value in CS << 218 } else if(e >= pv->Energy(0)) {
223 G4cout << "******************************* << 219 xs = pv->Value(e)/(e*e);
>> 220 }
>> 221
>> 222 if(verboseLevel > 1)
>> 223 {
>> 224 G4cout << "****** DEBUG: tcs value for Z=" << Z << " at energy (MeV)="
>> 225 << e << G4endl;
>> 226 G4cout << " cs (Geant4 internal unit)=" << xs << G4endl;
>> 227 G4cout << " -> first E*E*cs value in CS data file (iu) =" << (*pv)[0]
>> 228 << G4endl;
>> 229 G4cout << " -> last E*E*cs value in CS data file (iu) =" << (*pv)[n]
>> 230 << G4endl;
>> 231 G4cout << "*********************************************************"
>> 232 << G4endl;
224 } 233 }
225 return xs; 234 return xs;
226 } 235 }
227 236
228 //....oooOO0OOooo........oooOO0OOooo........oo 237 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
229 238
230 void G4LivermoreRayleighModel::SampleSecondari << 239 void G4LivermoreRayleighModel::SampleSecondaries(
231 << 240 std::vector<G4DynamicParticle*>*,
232 << 241 const G4MaterialCutsCouple* couple,
233 << 242 const G4DynamicParticle* aDynamicGamma,
>> 243 G4double, G4double)
234 { 244 {
235 if (verboseLevel > 1) { 245 if (verboseLevel > 1) {
236 G4cout << "Calling SampleSecondaries() of << 246 G4cout << "Calling SampleSecondaries() of G4LivermoreRayleighModel"
>> 247 << G4endl;
237 } 248 }
238 G4double photonEnergy0 = aDynamicGamma->GetK 249 G4double photonEnergy0 = aDynamicGamma->GetKineticEnergy();
239 << 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 G4ThreeVector photonDirection =
247 aDynamicGamma, photonEnergy0, Z, couple->G << 258 GetAngularDistribution()->SampleDirection(aDynamicGamma,
>> 259 photonEnergy0,
>> 260 Z, couple->GetMaterial());
248 fParticleChange->ProposeMomentumDirection(ph 261 fParticleChange->ProposeMomentumDirection(photonDirection);
249 } 262 }
250 263
251 //....oooOO0OOooo........oooOO0OOooo........oo 264 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
252 265
253 void G4LivermoreRayleighModel::InitialiseForEl << 266 void
>> 267 G4LivermoreRayleighModel::InitialiseForElement(const G4ParticleDefinition*,
>> 268 G4int Z)
254 { 269 {
255 if (nullptr != dataCS[Z]) { <<
256 return; <<
257 } <<
258 G4AutoLock l(&LivermoreRayleighModelMutex); 270 G4AutoLock l(&LivermoreRayleighModelMutex);
259 if (nullptr == dataCS[Z]) { << 271 if(nullptr == dataCS[Z]) { ReadData(Z); }
260 ReadData(Z); <<
261 } <<
262 l.unlock(); 272 l.unlock();
263 } 273 }
264 274
265 //....oooOO0OOooo........oooOO0OOooo........oo 275 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
266 276