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Geant4/processes/electromagnetic/utils/src/G4VEmModel.cc

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Differences between /processes/electromagnetic/utils/src/G4VEmModel.cc (Version 11.3.0) and /processes/electromagnetic/utils/src/G4VEmModel.cc (Version 9.2.p3)


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                                                   >>  26 // $Id: G4VEmModel.cc,v 1.20 2008/11/13 23:13:18 schaelic Exp $
                                                   >>  27 // GEANT4 tag $Name: geant4-09-02-patch-03 $
                                                   >>  28 //
 26 // -------------------------------------------     29 // -------------------------------------------------------------------
 27 //                                                 30 //
 28 // GEANT4 Class file                               31 // GEANT4 Class file
 29 //                                                 32 //
 30 //                                                 33 //
 31 // File name:     G4VEmModel                       34 // File name:     G4VEmModel
 32 //                                                 35 //
 33 // Author:        Vladimir Ivanchenko              36 // Author:        Vladimir Ivanchenko
 34 //                                                 37 //
 35 // Creation date: 25.07.2005                       38 // Creation date: 25.07.2005
 36 //                                                 39 //
 37 // Modifications:                                  40 // Modifications:
 38 // 25.10.2005 Set default highLimit=100.TeV (V     41 // 25.10.2005 Set default highLimit=100.TeV (V.Ivanchenko)
 39 // 06.02.2006 add method ComputeMeanFreePath()     42 // 06.02.2006 add method ComputeMeanFreePath() (mma)
 40 // 16.02.2009 Move implementations of virtual  << 
 41 //                                                 43 //
 42 //                                                 44 //
 43 // Class Description:                              45 // Class Description:
 44 //                                                 46 //
 45 // Abstract interface to energy loss models        47 // Abstract interface to energy loss models
 46                                                    48 
 47 // -------------------------------------------     49 // -------------------------------------------------------------------
 48 //                                                 50 //
 49                                                    51 
 50 #include "G4VEmModel.hh"                           52 #include "G4VEmModel.hh"
 51 #include "G4ElementData.hh"                    << 
 52 #include "G4LossTableManager.hh"                   53 #include "G4LossTableManager.hh"
 53 #include "G4LossTableBuilder.hh"               << 
 54 #include "G4ProductionCutsTable.hh"                54 #include "G4ProductionCutsTable.hh"
 55 #include "G4ParticleChangeForLoss.hh"          << 
 56 #include "G4ParticleChangeForGamma.hh"         << 
 57 #include "G4EmParameters.hh"                   << 
 58 #include "G4SystemOfUnits.hh"                  << 
 59 #include "G4EmUtility.hh"                      << 
 60 #include "G4Log.hh"                            << 
 61 #include "Randomize.hh"                        << 
 62 #include <iostream>                            << 
 63                                                    55 
 64 //....oooOO0OOooo........oooOO0OOooo........oo     56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 65 //....oooOO0OOooo........oooOO0OOooo........oo     57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 66                                                    58 
 67 G4VEmModel::G4VEmModel(const G4String& nam):       59 G4VEmModel::G4VEmModel(const G4String& nam):
 68   inveplus(1.0/CLHEP::eplus),                  <<  60   fluc(0), name(nam), lowLimit(0.1*keV), highLimit(100.0*TeV), 
 69   lowLimit(0.1*CLHEP::keV),                    <<  61   polarAngleLimit(0.0),secondaryThreshold(DBL_MAX),theLPMflag(false),
 70   highLimit(100.0*CLHEP::TeV),                 <<  62   pParticleChange(0),nuclearStopping(false),nsec(5) 
 71   polarAngleLimit(CLHEP::pi),                  << 
 72   name(nam)                                    << 
 73 {                                                  63 {
 74   xsec.resize(nsec);                               64   xsec.resize(nsec);
 75   fEmManager = G4LossTableManager::Instance(); <<  65   nSelectors = 0;
 76   fEmManager->Register(this);                  <<  66   G4LossTableManager::Instance()->Register(this);
 77   isMaster = fEmManager->IsMaster();           << 
 78                                                << 
 79   G4LossTableBuilder* bld = fEmManager->GetTab << 
 80   theDensityFactor = bld->GetDensityFactors(); << 
 81   theDensityIdx = bld->GetCoupleIndexes();     << 
 82 }                                                  67 }
 83                                                    68 
 84 //....oooOO0OOooo........oooOO0OOooo........oo     69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 85                                                    70 
 86 G4VEmModel::~G4VEmModel()                          71 G4VEmModel::~G4VEmModel()
 87 {                                                  72 {
 88   if(localElmSelectors) {                      <<  73   G4LossTableManager::Instance()->DeRegister(this);
 89     for(G4int i=0; i<nSelectors; ++i) {        <<  74   G4int n = elmSelectors.size();
 90       delete (*elmSelectors)[i];               <<  75   if(n > 0) {
 91     }                                          <<  76     for(G4int i=0; i<n; i++) { 
 92     delete elmSelectors;                       <<  77       delete elmSelectors[i]; 
 93   }                                            << 
 94   delete anglModel;                            << 
 95                                                << 
 96   if(localTable && xSectionTable != nullptr) { << 
 97     xSectionTable->clearAndDestroy();          << 
 98     delete xSectionTable;                      << 
 99     xSectionTable = nullptr;                   << 
100   }                                            << 
101   fEmManager->DeRegister(this);                << 
102 }                                              << 
103                                                << 
104 //....oooOO0OOooo........oooOO0OOooo........oo << 
105                                                << 
106 G4ParticleChangeForLoss* G4VEmModel::GetPartic << 
107 {                                              << 
108   G4ParticleChangeForLoss* p = nullptr;        << 
109   if (pParticleChange != nullptr) {            << 
110     p = static_cast<G4ParticleChangeForLoss*>( << 
111   } else {                                     << 
112     p = new G4ParticleChangeForLoss();         << 
113     pParticleChange = p;                       << 
114   }                                            << 
115   if(fTripletModel != nullptr) { fTripletModel << 
116   return p;                                    << 
117 }                                              << 
118                                                << 
119 //....oooOO0OOooo........oooOO0OOooo........oo << 
120                                                << 
121 G4ParticleChangeForGamma* G4VEmModel::GetParti << 
122 {                                              << 
123   G4ParticleChangeForGamma* p = nullptr;       << 
124   if (pParticleChange != nullptr) {            << 
125     p = static_cast<G4ParticleChangeForGamma*> << 
126   } else {                                     << 
127     p = new G4ParticleChangeForGamma();        << 
128     pParticleChange = p;                       << 
129   }                                            << 
130   if(fTripletModel != nullptr) { fTripletModel << 
131   return p;                                    << 
132 }                                              << 
133                                                << 
134 //....oooOO0OOooo........oooOO0OOooo........oo << 
135                                                << 
136 void G4VEmModel::InitialiseElementSelectors(co << 
137                                             co << 
138 {                                              << 
139   if(highLimit <= lowLimit) { return; }        << 
140   G4EmUtility::InitialiseElementSelectors(this << 
141   localElmSelectors = true;                    << 
142 }                                              << 
143                                                << 
144 //....oooOO0OOooo........oooOO0OOooo........oo << 
145                                                << 
146 void G4VEmModel::InitialiseLocal(const G4Parti << 
147 {}                                             << 
148                                                << 
149 //....oooOO0OOooo........oooOO0OOooo........oo << 
150                                                << 
151 void G4VEmModel::InitialiseForMaterial(const G << 
152                                        const G << 
153 {                                              << 
154   if(material != nullptr) {                    << 
155     G4int n = (G4int)material->GetNumberOfElem << 
156     for(G4int i=0; i<n; ++i) {                 << 
157       G4int Z = material->GetElement(i)->GetZa << 
158       InitialiseForElement(part, Z);           << 
159     }                                              78     }
160   }                                                79   }
161 }                                                  80 }
162                                                    81 
163 //....oooOO0OOooo........oooOO0OOooo........oo     82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
164                                                    83 
165 void G4VEmModel::InitialiseForElement(const G4 <<  84 G4double G4VEmModel::CrossSectionPerVolume(const G4Material* material,
166 {}                                             <<  85              const G4ParticleDefinition* p,
167                                                <<  86              G4double ekin,
168 //....oooOO0OOooo........oooOO0OOooo........oo <<  87              G4double emin,
169                                                <<  88              G4double emax)
170 G4double G4VEmModel::ComputeDEDXPerVolume(cons << 
171                                           cons << 
172                                           G4do << 
173 {                                                  89 {
174   return 0.0;                                  <<  90   SetupForMaterial(p, material, ekin);
175 }                                              <<  91   G4double cross = 0.0;
176                                                <<  92   const G4ElementVector* theElementVector = material->GetElementVector();
177 //....oooOO0OOooo........oooOO0OOooo........oo <<  93   const G4double* theAtomNumDensityVector = material->GetVecNbOfAtomsPerVolume();
178                                                <<  94   G4int nelm = material->GetNumberOfElements(); 
179 G4double G4VEmModel::CrossSectionPerVolume(con << 
180                                            con << 
181                                            G4d << 
182                                            G4d << 
183                                            G4d << 
184 {                                              << 
185   SetupForMaterial(p, mat, ekin);              << 
186   const G4double* theAtomNumDensityVector = ma << 
187   G4int nelm = (G4int)mat->GetNumberOfElements << 
188   if(nelm > nsec) {                                95   if(nelm > nsec) {
189     xsec.resize(nelm);                             96     xsec.resize(nelm);
190     nsec = nelm;                                   97     nsec = nelm;
191   }                                                98   }
192   G4double cross = 0.0;                        <<  99   for (G4int i=0; i<nelm; i++) {
193   for (G4int i=0; i<nelm; ++i) {               << 
194     cross += theAtomNumDensityVector[i]*          100     cross += theAtomNumDensityVector[i]*
195       ComputeCrossSectionPerAtom(p,mat->GetEle << 101       ComputeCrossSectionPerAtom(p,(*theElementVector)[i],ekin,emin,emax);
196     xsec[i] = cross;                              102     xsec[i] = cross;
197   }                                               103   }
198   return cross;                                   104   return cross;
199 }                                                 105 }
200                                                   106 
201 //....oooOO0OOooo........oooOO0OOooo........oo    107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
202                                                   108 
203 G4double G4VEmModel::GetPartialCrossSection(co << 109 G4double G4VEmModel::ComputeMeanFreePath(const G4ParticleDefinition* p,
204                                             co << 110            G4double ekin,
205                                             G4 << 111            const G4Material* material,     
206 {                                              << 112            G4double emin,
207   return 0.0;                                  << 113            G4double emax)
208 }                                              << 
209                                                << 
210 //....oooOO0OOooo........oooOO0OOooo........oo << 
211                                                << 
212 void G4VEmModel::StartTracking(G4Track*)       << 
213 {}                                             << 
214                                                << 
215 //....oooOO0OOooo........oooOO0OOooo........oo << 
216                                                << 
217 const G4Element* G4VEmModel::SelectRandomAtom( << 
218                                                << 
219                                                << 
220                                                << 
221                                                << 
222 {                                              << 
223   G4int n = (G4int)mat->GetNumberOfElements(); << 
224   fCurrentElement = mat->GetElement(0);        << 
225   if (n > 1) {                                 << 
226     const G4double x = G4UniformRand()*        << 
227       G4VEmModel::CrossSectionPerVolume(mat,pd << 
228     for(G4int i=0; i<n; ++i) {                 << 
229       if (x <= xsec[i]) {                      << 
230         fCurrentElement = mat->GetElement(i);  << 
231         break;                                 << 
232       }                                        << 
233     }                                          << 
234   }                                            << 
235   return fCurrentElement;                      << 
236 }                                              << 
237                                                << 
238 //....oooOO0OOooo........oooOO0OOooo........oo << 
239                                                << 
240 const G4Element* G4VEmModel::GetCurrentElement << 
241 {                                              << 
242   const G4Element* elm = fCurrentElement;      << 
243   if(nullptr == elm && nullptr != mat) {       << 
244     elm = G4EmUtility::SampleRandomElement(mat << 
245   }                                            << 
246   return elm;                                  << 
247 }                                              << 
248                                                << 
249 //....oooOO0OOooo........oooOO0OOooo........oo << 
250                                                << 
251 G4int G4VEmModel::SelectRandomAtomNumber(const << 
252 {                                              << 
253   const G4Element* elm = GetCurrentElement(mat << 
254   return (nullptr == elm) ? 0 : elm->GetZasInt << 
255 }                                              << 
256                                                << 
257 //....oooOO0OOooo........oooOO0OOooo........oo << 
258                                                << 
259 const G4Isotope* G4VEmModel::GetCurrentIsotope << 
260 {                                              << 
261   const G4Isotope* iso = nullptr;              << 
262   const G4Element* el = elm;                   << 
263   if(nullptr == el && nullptr != fCurrentCoupl << 
264     el = GetCurrentElement(fCurrentCouple->Get << 
265   }                                            << 
266   if(nullptr != el) {                          << 
267     iso = G4EmUtility::SampleRandomIsotope(el) << 
268   }                                            << 
269   return iso;                                  << 
270 }                                              << 
271                                                << 
272 //....oooOO0OOooo........oooOO0OOooo........oo << 
273                                                << 
274 G4int G4VEmModel::SelectIsotopeNumber(const G4 << 
275 {                                              << 
276   auto iso = GetCurrentIsotope(elm);           << 
277   return (nullptr != iso) ? iso->GetN() : 0;   << 
278 }                                              << 
279                                                << 
280 //....oooOO0OOooo........oooOO0OOooo........oo << 
281                                                << 
282 G4double G4VEmModel::ComputeCrossSectionPerAto << 
283                                                << 
284                                                << 
285 {                                              << 
286   return 0.0;                                  << 
287 }                                              << 
288                                                << 
289 //....oooOO0OOooo........oooOO0OOooo........oo << 
290                                                << 
291 G4double                                       << 
292 G4VEmModel::ComputeCrossSectionPerShell(const  << 
293                                         G4int, << 
294                                         G4doub << 
295 {                                              << 
296   return 0.0;                                  << 
297 }                                              << 
298                                                << 
299 //....oooOO0OOooo........oooOO0OOooo........oo << 
300                                                << 
301 void G4VEmModel::DefineForRegion(const G4Regio << 
302 {}                                             << 
303                                                << 
304 //....oooOO0OOooo........oooOO0OOooo........oo << 
305                                                << 
306 void G4VEmModel::FillNumberOfSecondaries(G4int << 
307                                          G4int << 
308 {                                              << 
309   numberOfTriplets = 0;                        << 
310   numberOfRecoil = 0;                          << 
311 }                                              << 
312                                                << 
313 //....oooOO0OOooo........oooOO0OOooo........oo << 
314                                                << 
315 G4double G4VEmModel::ChargeSquareRatio(const G << 
316 {                                              << 
317   return GetChargeSquareRatio(track.GetParticl << 
318                               track.GetMateria << 
319 }                                              << 
320                                                << 
321 //....oooOO0OOooo........oooOO0OOooo........oo << 
322                                                << 
323 G4double G4VEmModel::GetChargeSquareRatio(cons << 
324                                           cons << 
325 {                                              << 
326   const G4double q = p->GetPDGCharge()*inveplu << 
327   return q*q;                                  << 
328 }                                              << 
329                                                << 
330 //....oooOO0OOooo........oooOO0OOooo........oo << 
331                                                << 
332 G4double G4VEmModel::GetParticleCharge(const G << 
333                                        const G << 
334 {                                                 114 {
335   return p->GetPDGCharge();                    << 115   G4double mfp = DBL_MAX;
                                                   >> 116   G4double cross = CrossSectionPerVolume(material,p,ekin,emin,emax);
                                                   >> 117   if (cross > DBL_MIN) mfp = 1./cross;
                                                   >> 118   return mfp;
336 }                                                 119 }
337                                                   120 
338 //....oooOO0OOooo........oooOO0OOooo........oo    121 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
339                                                   122 
340 void G4VEmModel::CorrectionsAlongStep(const G4 << 123 void G4VEmModel::InitialiseElementSelectors(const G4ParticleDefinition* p, 
341                                       const G4 << 124               const G4DataVector& cuts)
342                                       const G4 << 
343 {}                                             << 
344                                                << 
345 //....oooOO0OOooo........oooOO0OOooo........oo << 
346                                                << 
347 G4double G4VEmModel::Value(const G4MaterialCut << 
348                            const G4ParticleDef << 
349 {                                                 125 {
350   SetCurrentCouple(couple);                    << 126   G4int nbins = G4int(std::log10(highLimit/lowLimit) + 0.5);
351   return pFactor*e*e*CrossSectionPerVolume(pBa << 127   if(nbins < 3) nbins = 3;
352 }                                              << 128   G4bool spline = G4LossTableManager::Instance()->SplineFlag();
353                                                   129 
354 //....oooOO0OOooo........oooOO0OOooo........oo << 130   G4ProductionCutsTable* theCoupleTable=
                                                   >> 131     G4ProductionCutsTable::GetProductionCutsTable();
                                                   >> 132   G4int numOfCouples = theCoupleTable->GetTableSize();
355                                                   133 
356 G4double G4VEmModel::MinPrimaryEnergy(const G4 << 134   // prepare vector
357                                       const G4 << 135   if(numOfCouples > nSelectors) {
358                                       G4double << 136     elmSelectors.resize(numOfCouples);
359 {                                              << 137     nSelectors = numOfCouples;
360   return 0.0;                                  << 
361 }                                              << 
362                                                << 
363 //....oooOO0OOooo........oooOO0OOooo........oo << 
364                                                << 
365 G4double G4VEmModel::MinEnergyCut(const G4Part << 
366                                   const G4Mate << 
367 {                                              << 
368   return 0.0;                                  << 
369 }                                              << 
370                                                << 
371 //....oooOO0OOooo........oooOO0OOooo........oo << 
372                                                << 
373 G4double G4VEmModel::MaxSecondaryEnergy(const  << 
374                                         G4doub << 
375 {                                              << 
376   return kineticEnergy;                        << 
377 }                                              << 
378                                                << 
379 //....oooOO0OOooo........oooOO0OOooo........oo << 
380                                                << 
381 void G4VEmModel::SetupForMaterial(const G4Part << 
382                                   const G4Mate << 
383 {                                              << 
384   GetChargeSquareRatio(p, mat, ekin);          << 
385 }                                              << 
386                                                << 
387 //....oooOO0OOooo........oooOO0OOooo........oo << 
388                                                << 
389 void                                           << 
390 G4VEmModel::SetParticleChange(G4VParticleChang << 
391 {                                              << 
392   if(p != nullptr && pParticleChange != p) { p << 
393   if(flucModel != f) { flucModel = f; }        << 
394 }                                              << 
395                                                << 
396 //....oooOO0OOooo........oooOO0OOooo........oo << 
397                                                << 
398 void G4VEmModel::SetCrossSectionTable(G4Physic << 
399 {                                              << 
400   xSectionTable = p;                           << 
401   localTable = isLocal;                        << 
402 }                                              << 
403                                                << 
404 //....oooOO0OOooo........oooOO0OOooo........oo << 
405                                                << 
406 void G4VEmModel::SetLPMFlag(G4bool)            << 
407 {                                              << 
408   if (G4EmParameters::Instance()->Verbose() >  << 
409     G4ExceptionDescription ed;                 << 
410     ed << "The obsolete method SetLPMFlag(..)  << 
411        << " is called. Please, use G4EmParamet << 
412        << " instead";                          << 
413     G4Exception("G4VEmModel::SetLPMFlag", "em0 << 
414   }                                               138   }
415 }                                              << 
416                                                   139 
417 //....oooOO0OOooo........oooOO0OOooo........oo << 140   // initialise vector
                                                   >> 141   for(G4int i=0; i<numOfCouples; i++) {
                                                   >> 142     const G4MaterialCutsCouple* couple =
                                                   >> 143       theCoupleTable->GetMaterialCutsCouple(i);
                                                   >> 144     const G4Material* material = couple->GetMaterial();
                                                   >> 145     G4int idx = couple->GetIndex();
418                                                   146 
419 void G4VEmModel::SetMasterThread(G4bool)       << 147     // selector already exist check if should be deleted
420 {}                                             << 148     G4bool create = true;
                                                   >> 149     if(elmSelectors[i]) {
                                                   >> 150       if(material == elmSelectors[i]->GetMaterial()) create = false;
                                                   >> 151       else delete elmSelectors[i];
                                                   >> 152     }
                                                   >> 153     if(create) {
                                                   >> 154       elmSelectors[i] = new G4EmElementSelector(this,material,nbins,
                                                   >> 155             lowLimit,highLimit,spline);
                                                   >> 156     }
                                                   >> 157     elmSelectors[i]->Initialise(p, cuts[idx]);
                                                   >> 158     //elmSelectors[i]->Dump(p);
                                                   >> 159   } 
                                                   >> 160 }
421                                                   161 
422 //....oooOO0OOooo........oooOO0OOooo........oo    162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
423                                                   163 
424 void  G4VEmModel::ModelDescription(std::ostrea << 
425 {                                              << 
426   outFile << "The description for this model h << 
427 }                                              << 
428                                                   164 
429 //....oooOO0OOooo........oooOO0OOooo........oo << 
430                                                   165