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25 // 22 //
>> 23 //
26 // ------------------------------------------- 24 // -------------------------------------------------------------------
27 // 25 //
28 // GEANT4 Class file 26 // GEANT4 Class file
29 // 27 //
30 // 28 //
31 // File name: G4LossTableBuilder 29 // File name: G4LossTableBuilder
32 // 30 //
33 // Author: Vladimir Ivanchenko 31 // Author: Vladimir Ivanchenko
34 // 32 //
35 // Creation date: 03.01.2002 33 // Creation date: 03.01.2002
36 // 34 //
37 // Modifications: 35 // Modifications:
38 // 36 //
39 // 23-01-03 V.Ivanchenko Cut per region << 37 // 23.01.2003 V.Ivanchenko Cut per region
40 // 21-07-04 V.Ivanchenko Fix problem of range <<
41 // 08-11-04 Migration to new interface of Stor <<
42 // 07-12-04 Fix of BuildDEDX table (V.Ivanchen <<
43 // 27-03-06 Add bool options isIonisation (V.I <<
44 // 16-01-07 Fill new (not old) DEDX table (V.I <<
45 // 12-02-07 Use G4LPhysicsFreeVector for the i <<
46 // 24-06-09 Removed hidden bin in G4PhysicsVec <<
47 // 38 //
48 // Class Description: << 39 // Class Description:
49 // 40 //
50 // ------------------------------------------- 41 // -------------------------------------------------------------------
51 // 42 //
52 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
53 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
54 45
55 #include "G4LossTableBuilder.hh" 46 #include "G4LossTableBuilder.hh"
56 #include "G4SystemOfUnits.hh" <<
57 #include "G4PhysicsTable.hh" 47 #include "G4PhysicsTable.hh"
58 #include "G4PhysicsLogVector.hh" 48 #include "G4PhysicsLogVector.hh"
59 #include "G4PhysicsTableHelper.hh" <<
60 #include "G4PhysicsFreeVector.hh" <<
61 #include "G4ProductionCutsTable.hh" <<
62 #include "G4MaterialCutsCouple.hh" <<
63 #include "G4Material.hh" <<
64 #include "G4VEmModel.hh" <<
65 #include "G4ParticleDefinition.hh" <<
66 #include "G4LossTableManager.hh" <<
67 #include "G4EmParameters.hh" <<
68 <<
69 G4bool G4LossTableBuilder::baseMatFlag = false <<
70 std::vector<G4double>* G4LossTableBuilder::the <<
71 std::vector<G4int>* G4LossTableBuilder::the <<
72 std::vector<G4bool>* G4LossTableBuilder::the <<
73 49
74 //....oooOO0OOooo........oooOO0OOooo........oo 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
75 51
76 G4LossTableBuilder::G4LossTableBuilder(G4bool << 52 G4PhysicsTable* G4LossTableBuilder::BuildDEDXTable(
77 : isInitializer(master) << 53 const G4std::vector<G4PhysicsTable*>& list)
78 { << 54 {
79 theParameters = G4EmParameters::Instance(); << 55 size_t n_processes = list.size();
80 if (nullptr == theFlag) { <<
81 theDensityFactor = new std::vector<G4doubl <<
82 theDensityIdx = new std::vector<G4int>; <<
83 theFlag = new std::vector<G4bool>; <<
84 } <<
85 } <<
86 56
87 //....oooOO0OOooo........oooOO0OOooo........oo << 57 if (0 == n_processes) return 0;
88 << 58 else if (1 == n_processes) return list[0];
89 G4LossTableBuilder::~G4LossTableBuilder() <<
90 { <<
91 if (isInitializer) { <<
92 delete theDensityFactor; <<
93 delete theDensityIdx; <<
94 delete theFlag; <<
95 theDensityFactor = nullptr; <<
96 theDensityIdx = nullptr; <<
97 theFlag = nullptr; <<
98 } <<
99 } <<
100 59
101 //....oooOO0OOooo........oooOO0OOooo........oo << 60 size_t n_vectors = list[0]->length();
102 61
103 const std::vector<G4int>* G4LossTableBuilder:: << 62 if(!n_vectors) return 0;
104 { <<
105 return theDensityIdx; <<
106 } <<
107 63
108 //....oooOO0OOooo........oooOO0OOooo........oo << 64 G4PhysicsTable* theTable = new G4PhysicsTable();
>> 65 G4bool b;
109 66
110 const std::vector<G4double>* G4LossTableBuilde << 67 for (size_t i=0; i<n_vectors; i++) {
111 { <<
112 return theDensityFactor; <<
113 } <<
114 68
115 //....oooOO0OOooo........oooOO0OOooo........oo << 69 G4PhysicsVector* pv = (*(list[0]))[i];
>> 70 size_t nbins = pv->GetVectorLength();
116 71
117 G4bool G4LossTableBuilder::GetFlag(std::size_t << 72 G4double elow = pv->GetLowEdgeEnergy(0);
118 { << 73 G4double ehigh = pv->GetLowEdgeEnergy(nbins);
119 return (idx < theFlag->size()) ? (*theFlag)[ << 74 G4PhysicsLogVector* v = new G4PhysicsLogVector(elow, ehigh, nbins);
120 } <<
121 75
122 //....oooOO0OOooo........oooOO0OOooo........oo << 76 for (size_t j=0; j<nbins; j++) {
>> 77 G4double dedx = 0.0;
>> 78 G4double energy = pv->GetLowEdgeEnergy(j);
123 79
124 G4bool G4LossTableBuilder::GetBaseMaterialFlag << 80 for (size_t k=0; k<n_processes; k++) {
125 { <<
126 return baseMatFlag; <<
127 } <<
128 81
129 //....oooOO0OOooo........oooOO0OOooo........oo << 82 dedx += ((*(list[k]))[i])->GetValue(energy, b);
130 83
131 void <<
132 G4LossTableBuilder::BuildDEDXTable(G4PhysicsTa <<
133 const std:: <<
134 { <<
135 InitialiseBaseMaterials(dedxTable); <<
136 std::size_t n_processes = list.size(); <<
137 if(1 >= n_processes) { return; } <<
138 <<
139 std::size_t nCouples = dedxTable->size(); <<
140 //G4cout << "Nproc= " << n_processes << " nC <<
141 // << dedxTable->size() << G4endl; <<
142 if(0 >= nCouples) { return; } <<
143 <<
144 for (std::size_t i=0; i<nCouples; ++i) { <<
145 auto pv0 = static_cast<G4PhysicsLogVector* <<
146 //if (0 == i) G4cout << i << ". pv0=" << p <<
147 if(pv0 == nullptr) { continue; } <<
148 std::size_t npoints = pv0->GetVectorLength <<
149 auto pv = new G4PhysicsLogVector(*pv0); <<
150 for (std::size_t j=0; j<npoints; ++j) { <<
151 G4double dedx = 0.0; <<
152 for (std::size_t k=0; k<n_processes; ++k <<
153 const G4PhysicsVector* pv1 = (*(list[k]))[i] <<
154 //if (0 == i) G4cout << " " << k << ". p <<
155 dedx += (*pv1)[j]; <<
156 } 84 }
157 pv->PutValue(j, dedx); << 85 v->PutValue(j, dedx);
158 } 86 }
159 if(splineFlag) { pv->FillSecondDerivatives << 87 theTable->insert(v);
160 G4PhysicsTableHelper::SetPhysicsVector(ded <<
161 } 88 }
162 //G4cout << "### G4LossTableBuilder::BuildDE << 89 return theTable;
163 //G4cout << *dedxTable << G4endl; <<
164 } 90 }
165 91
166 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
167 93
168 void G4LossTableBuilder::BuildRangeTable(const << 94 G4PhysicsTable* G4LossTableBuilder::BuildRangeTable(
169 G4Phy << 95 const G4PhysicsTable* dedxTable)
170 // Build range table from the energy loss tabl 96 // Build range table from the energy loss table
171 { 97 {
172 //G4cout << "### G4LossTableBuilder::BuildRa << 98 size_t n_vectors = dedxTable->length();
173 //G4cout << *const_cast<G4PhysicsTable*>(ded << 99 if(!n_vectors) return 0;
174 const std::size_t nCouples = dedxTable->size <<
175 if(0 >= nCouples) { return; } <<
176 <<
177 const std::size_t n = 100; <<
178 const G4double del = 1.0/(G4double)n; <<
179 <<
180 for (std::size_t i=0; i<nCouples; ++i) { <<
181 auto pv = static_cast<G4PhysicsLogVector*> <<
182 if((pv == nullptr) || (isBaseMatActive && <<
183 std::size_t npoints = pv->GetVectorLength( <<
184 std::size_t bin0 = 0; <<
185 G4double elow = pv->Energy(0); <<
186 G4double ehigh = pv->Energy(npoints-1); <<
187 G4double dedx1 = (*pv)[0]; <<
188 <<
189 // protection for specific cases dedx=0 <<
190 if(dedx1 == 0.0) { <<
191 for (std::size_t k=1; k<npoints; ++k) { <<
192 ++bin0; <<
193 elow = pv->Energy(k); <<
194 dedx1 = (*pv)[k]; <<
195 if(dedx1 > 0.0) { break; } <<
196 } <<
197 npoints -= bin0; <<
198 } <<
199 100
200 // initialisation of a new vector << 101 G4bool b;
201 if(npoints < 3) { npoints = 3; } << 102 size_t n = 100;
>> 103 G4double del = 1.0/(G4double)n;
>> 104 G4PhysicsTable* theTable = new G4PhysicsTable();
>> 105
>> 106 for (size_t i=0; i<n_vectors; i++) {
>> 107
>> 108 G4PhysicsVector* pv = (*dedxTable)[i];
>> 109 size_t nbins = pv->GetVectorLength();
>> 110 G4double elow = pv->GetLowEdgeEnergy(0);
>> 111 G4double ehigh = pv->GetLowEdgeEnergy(nbins);
>> 112 G4PhysicsLogVector* v = new G4PhysicsLogVector(elow, ehigh, nbins);
202 113
203 delete (*rangeTable)[i]; << 114 G4double dedx1 = pv->GetValue(elow, b);
204 G4PhysicsLogVector* v; << 115 G4double range = 0.5*elow/dedx1;
205 if(0 == bin0) { v = new G4PhysicsLogVector <<
206 else { v = new G4PhysicsLogVector(elow, eh <<
207 <<
208 // assumed dedx proportional to beta <<
209 G4double energy1 = v->Energy(0); <<
210 G4double range = 2.*energy1/dedx1; <<
211 /* <<
212 G4cout << "New Range vector Npoints=" << v <<
213 << " coupleIdx=" << i << " spline=" << v- <<
214 << " Elow=" << v->GetMinEnergy() <<" Ehig <<
215 << " DEDX(Elow)=" << dedx1 << " R(Elow)=" <<
216 */ <<
217 v->PutValue(0,range); 116 v->PutValue(0,range);
>> 117 G4double energy1 = elow;
218 118
219 for (std::size_t j=1; j<npoints; ++j) { << 119 for (size_t j=1; j<nbins; j++) {
220 120
221 G4double energy2 = v->Energy(j); << 121 G4double energy2 = pv->GetLowEdgeEnergy(j);
222 G4double de = (energy2 - energy1) * << 122 G4double dedx2 = pv->GetValue(energy2, b);
223 G4double energy = energy2 + de*0.5; << 123 G4double de = (energy2 - energy1) * del;
224 G4double sum = 0.0; << 124 G4double energy = energy1 - de*0.5;
225 std::size_t idx = j - 1; << 125 G4double fac = log(dedx2/dedx1)/log(energy2/energy1);
226 for (std::size_t k=0; k<n; ++k) { << 126
227 energy -= de; << 127 for (size_t k=0; k<n; k++) {
228 dedx1 = pv->Value(energy, idx); << 128 energy += de;
229 if(dedx1 > 0.0) { sum += de/dedx1; } << 129 G4double f = dedx1*exp(fac*log(energy/energy1));
>> 130 range += de/f;
230 } 131 }
231 range += sum; <<
232 /* <<
233 if(energy < 10.) <<
234 G4cout << "j= " << j << " e1= " << energy1 < <<
235 << " n= " << n << " range=" << range< <<
236 */ <<
237 v->PutValue(j,range); 132 v->PutValue(j,range);
238 energy1 = energy2; 133 energy1 = energy2;
>> 134 dedx1 = dedx2;
239 } 135 }
240 if(splineFlag) { v->FillSecondDerivatives( << 136 theTable->insert(v);
241 G4PhysicsTableHelper::SetPhysicsVector(ran <<
242 } 137 }
243 //G4cout << "### Range table" << G4endl; <<
244 //G4cout << *rangeTable << G4endl; <<
245 } <<
246 138
247 //....oooOO0OOooo........oooOO0OOooo........oo << 139 return theTable;
248 <<
249 void <<
250 G4LossTableBuilder::BuildInverseRangeTable(con <<
251 G4P <<
252 // Build inverse range table from the energy l <<
253 { <<
254 std::size_t nCouples = rangeTable->size(); <<
255 if(0 >= nCouples) { return; } <<
256 <<
257 for (std::size_t i=0; i<nCouples; ++i) { <<
258 G4PhysicsVector* pv = (*rangeTable)[i]; <<
259 if((pv == nullptr) || (isBaseMatActive && <<
260 std::size_t npoints = pv->GetVectorLength( <<
261 <<
262 delete (*invRangeTable)[i]; <<
263 auto v = new G4PhysicsFreeVector(npoints, <<
264 <<
265 for (std::size_t j=0; j<npoints; ++j) { <<
266 G4double e = pv->Energy(j); <<
267 G4double r = (*pv)[j]; <<
268 v->PutValues(j,r,e); <<
269 } <<
270 if (splineFlag) { v->FillSecondDerivatives <<
271 v->EnableLogBinSearch(theParameters->Numbe <<
272 <<
273 G4PhysicsTableHelper::SetPhysicsVector(inv <<
274 } <<
275 //G4cout << "### Inverse range table" << G4e <<
276 //G4cout << *invRangeTable << G4endl; <<
277 } 140 }
278 141
279 //....oooOO0OOooo........oooOO0OOooo........oo 142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
280 143
281 void G4LossTableBuilder::InitialiseBaseMateria << 144 G4PhysicsTable* G4LossTableBuilder::BuildInverseRangeTable(
>> 145 const G4PhysicsTable* dedxTable,
>> 146 const G4PhysicsTable* rangeTable)
>> 147 // Build inverse range table from the energy loss table
282 { 148 {
283 if(!isInitializer) { return; } << 149 size_t n_vectors = rangeTable->length();
284 const G4ProductionCutsTable* theCoupleTable= << 150 if(!n_vectors) return 0;
285 G4ProductionCutsTable::GetProductionCutsTa <<
286 std::size_t nCouples = theCoupleTable->GetTa <<
287 std::size_t nFlags = theFlag->size(); <<
288 /* <<
289 G4cout << "### InitialiseBaseMaterials: nCou <<
290 << " nFlags=" << nFlags << " isInit:" << is <<
291 << " baseMat:" << baseMatFlag << G4endl; <<
292 */ <<
293 // define base material flag <<
294 if(isBaseMatActive && !baseMatFlag) { <<
295 for(G4int i=0; i<(G4int)nCouples; ++i) { <<
296 if(nullptr != theCoupleTable->GetMateria <<
297 baseMatFlag = true; <<
298 isInitialized = false; <<
299 break; <<
300 } <<
301 } <<
302 } <<
303 151
304 if(nFlags != nCouples) { isInitialized = fal << 152 G4bool b;
305 if(isInitialized) { return; } << 153 G4PhysicsTable* theTable = new G4PhysicsTable();
306 154
307 // reserve memory << 155 for (size_t i=0; i<n_vectors; i++) {
308 theFlag->resize(nCouples, true); <<
309 theDensityFactor->resize(nCouples,1.0); <<
310 theDensityIdx->resize(nCouples, 0); <<
311 <<
312 // define default flag and index of used mat <<
313 for (G4int i=0; i<(G4int)nCouples; ++i) { <<
314 (*theFlag)[i] = (nullptr == table) ? true <<
315 (*theDensityIdx)[i] = i; <<
316 } <<
317 isInitialized = true; <<
318 if (!baseMatFlag) { return; } <<
319 156
320 // use base materials << 157 G4PhysicsVector* pv = (*rangeTable)[i];
321 for (G4int i=0; i<(G4int)nCouples; ++i) { << 158 size_t nbins = pv->GetVectorLength();
322 // base material is needed only for a coup << 159 G4double elow = pv->GetLowEdgeEnergy(0);
323 // initialised and for which tables will b << 160 G4double ehigh = pv->GetLowEdgeEnergy(nbins-1);
324 auto couple = theCoupleTable->GetMaterialC << 161 G4double rlow = pv->GetValue(elow, b);
325 auto pcuts = couple->GetProductionCuts(); << 162 G4double rhigh = pv->GetValue(ehigh, b);
326 auto mat = couple->GetMaterial(); << 163
327 auto bmat = mat->GetBaseMaterial(); << 164 rhigh *= exp(log(rhigh/rlow)/((G4double)(nbins-1)));
328 << 165
329 // base material exists - find it and chec << 166 G4PhysicsLogVector* v = new G4PhysicsLogVector(rlow, rhigh, nbins);
330 if(nullptr != bmat) { << 167
331 for(G4int j=0; j<(G4int)nCouples; ++j) { << 168 v->PutValue(0,elow);
332 if(j == i) { continue; } << 169 G4double energy1 = elow;
333 auto bcouple = theCoupleTable->GetMaterialCu << 170 G4double range1 = rlow;
334 << 171 G4double energy2 = elow;
335 if(bcouple->GetMaterial() == bmat && << 172 G4double range2 = rlow;
336 bcouple->GetProductionCuts() == pcuts) { << 173 size_t ilow = 0;
337 << 174 size_t ihigh;
338 // based couple exist in the same region << 175
339 (*theDensityFactor)[i] = mat->GetDensity() << 176 for (size_t j=1; j<nbins; j++) {
340 (*theDensityIdx)[i] = j; << 177
341 (*theFlag)[i] = false; << 178 G4double range = v->GetLowEdgeEnergy(j);
342 << 179
343 // ensure that there will no double initia << 180 for (ihigh=ilow+1; ihigh<nbins; ihigh++) {
344 (*theDensityFactor)[j] = 1.0; << 181 energy2 = pv->GetLowEdgeEnergy(ihigh);
345 (*theDensityIdx)[j] = j; << 182 range2 = pv->GetValue(energy2, b);
346 (*theFlag)[j] = true; << 183 if(range2 >= range || ihigh == nbins-1) {
347 break; << 184 ilow = ihigh - 1;
>> 185 energy1 = pv->GetLowEdgeEnergy(ilow);
>> 186 range1 = pv->GetValue(energy1, b);
>> 187 break;
348 } 188 }
349 } 189 }
350 } <<
351 } <<
352 } <<
353 190
354 //....oooOO0OOooo........oooOO0OOooo........oo << 191 G4double e = log(energy1) + log(energy2/energy1)*log(range/range1)/log(range2/range1);
355 192
356 G4PhysicsTable* << 193 v->PutValue(j,exp(e));
357 G4LossTableBuilder::BuildTableForModel(G4Physi <<
358 G4VEmMo <<
359 const G <<
360 G4doubl <<
361 G4bool <<
362 { <<
363 // check input <<
364 G4PhysicsTable* table = G4PhysicsTableHelper <<
365 if (nullptr == table) { return table; } <<
366 if (aTable != nullptr && aTable != table) { <<
367 aTable->clearAndDestroy(); <<
368 delete aTable; <<
369 } <<
370 <<
371 InitialiseBaseMaterials(table); <<
372 G4int nbins = theParameters->NumberOfBinsPer <<
373 <<
374 // Access to materials <<
375 const G4ProductionCutsTable* theCoupleTable= <<
376 G4ProductionCutsTable::GetProductionCu <<
377 std::size_t numOfCouples = theCoupleTable->G <<
378 /* <<
379 G4cout << " G4LossTableBuilder::BuildTable <<
380 << " isMaster=" << isInitializer << " model <<
381 << " " << part->GetParticleName() << G4end <<
382 */ <<
383 G4PhysicsLogVector* aVector = nullptr; <<
384 <<
385 for(G4int i=0; i<(G4int)numOfCouples; ++i) { <<
386 //G4cout << i << ". " << (*theFlag)[i] << <<
387 if (table->GetFlag(i)) { <<
388 <<
389 // create physics vector and fill it <<
390 auto couple = theCoupleTable->GetMateria <<
391 delete (*table)[i]; <<
392 <<
393 // if start from zero then change the sc <<
394 const G4Material* mat = couple->GetMater <<
395 <<
396 G4double tmin = std::max(emin, model->Mi <<
397 if(0.0 >= tmin) { tmin = CLHEP::eV; } <<
398 G4int n = nbins; <<
399 <<
400 if(tmin >= emax) { <<
401 aVector = nullptr; <<
402 } else { <<
403 n *= G4lrint(std::log10(emax/tmin)); <<
404 n = std::max(n, 3); <<
405 aVector = new G4PhysicsLogVector(tmin, <<
406 } <<
407 <<
408 if(nullptr != aVector) { <<
409 //G4cout << part->GetParticleName() << <<
410 // << " emin= " << tmin << " emax=" << e <<
411 for(G4int j=0; j<=n; ++j) { <<
412 G4double e = aVector->Energy(j); <<
413 G4double y = model->Value(couple, part, e) <<
414 //G4cout << " " << j << ") E=" << e < <<
415 aVector->PutValue(j, y); <<
416 } <<
417 if(spline) { aVector->FillSecondDeriva <<
418 } <<
419 G4PhysicsTableHelper::SetPhysicsVector(t <<
420 } 194 }
>> 195 theTable->insert(v);
421 } 196 }
422 /* << 197
423 G4cout << "G4LossTableBuilder::BuildTableFor << 198 return theTable;
424 << part->GetParticleName() << " and " <<
425 << " " << table << G4endl; <<
426 */ <<
427 //G4cout << *table << G4endl; <<
428 return table; <<
429 } 199 }
430 200
431 //....oooOO0OOooo........oooOO0OOooo........oo 201 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
432 202