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25 // 25 //
26 // ------------------------------------------- 26 // -------------------------------------------------------------------
27 // 27 //
28 // GEANT4 Class header file 28 // GEANT4 Class header file
29 // 29 //
30 // 30 //
31 // File name: G4VMscModel 31 // File name: G4VMscModel
32 // 32 //
33 // Author: Vladimir Ivanchenko 33 // Author: Vladimir Ivanchenko
34 // 34 //
35 // Creation date: 07.03.2008 35 // Creation date: 07.03.2008
36 // 36 //
37 // Modifications: 37 // Modifications:
38 // 07.04.2009 V.Ivanchenko moved msc methods f 38 // 07.04.2009 V.Ivanchenko moved msc methods from G4VEmModel to G4VMscModel
39 // 26.03.2012 V.Ivanchenko added transport x-s 39 // 26.03.2012 V.Ivanchenko added transport x-section pointer and Get?Set methods
40 // 40 //
41 // Class Description: 41 // Class Description:
42 // 42 //
43 // General interface to msc models 43 // General interface to msc models
44 44
45 // ------------------------------------------- 45 // -------------------------------------------------------------------
46 // 46 //
47 #ifndef G4VMscModel_h 47 #ifndef G4VMscModel_h
48 #define G4VMscModel_h 1 48 #define G4VMscModel_h 1
49 49
50 #include <CLHEP/Units/SystemOfUnits.h> 50 #include <CLHEP/Units/SystemOfUnits.h>
51 51
52 #include "G4VEmModel.hh" 52 #include "G4VEmModel.hh"
53 #include "G4MscStepLimitType.hh" 53 #include "G4MscStepLimitType.hh"
54 #include "globals.hh" 54 #include "globals.hh"
55 #include "G4ThreeVector.hh" 55 #include "G4ThreeVector.hh"
56 #include "G4Track.hh" 56 #include "G4Track.hh"
57 #include "G4SafetyHelper.hh" 57 #include "G4SafetyHelper.hh"
58 #include "G4PhysicsTable.hh" 58 #include "G4PhysicsTable.hh"
59 #include "G4ThreeVector.hh" 59 #include "G4ThreeVector.hh"
60 #include <vector> 60 #include <vector>
61 61
62 class G4ParticleChangeForMSC; 62 class G4ParticleChangeForMSC;
63 class G4ParticleDefinition; 63 class G4ParticleDefinition;
64 class G4VEnergyLossProcess; 64 class G4VEnergyLossProcess;
65 65
66 class G4VMscModel : public G4VEmModel 66 class G4VMscModel : public G4VEmModel
67 { 67 {
68 68
69 public: 69 public:
70 70
71 explicit G4VMscModel(const G4String& nam); 71 explicit G4VMscModel(const G4String& nam);
72 72
73 ~G4VMscModel() override; 73 ~G4VMscModel() override;
74 74
75 virtual G4double ComputeTruePathLengthLimit( 75 virtual G4double ComputeTruePathLengthLimit(const G4Track& track,
76 G4double& stepLimit) = 0; 76 G4double& stepLimit) = 0;
77 77
78 virtual G4double ComputeGeomPathLength(G4dou 78 virtual G4double ComputeGeomPathLength(G4double truePathLength) = 0;
79 79
80 virtual G4double ComputeTrueStepLength(G4dou 80 virtual G4double ComputeTrueStepLength(G4double geomPathLength) = 0;
81 81
82 virtual G4ThreeVector& SampleScattering(cons 82 virtual G4ThreeVector& SampleScattering(const G4ThreeVector&,
83 G4double safety) = 0; 83 G4double safety) = 0;
84 84
85 void InitialiseParameters(const G4ParticleDe 85 void InitialiseParameters(const G4ParticleDefinition*);
86 86
87 void DumpParameters(std::ostream& out) const 87 void DumpParameters(std::ostream& out) const;
88 88
89 // empty method 89 // empty method
90 void SampleSecondaries(std::vector<G4Dynamic 90 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
91 const G4MaterialCutsCouple*, 91 const G4MaterialCutsCouple*,
92 const G4DynamicParticle*, 92 const G4DynamicParticle*,
93 G4double tmin, G4double tmax) override; 93 G4double tmin, G4double tmax) override;
94 94
95 //========================================== 95 //================================================================
96 // Set parameters of multiple scattering mo 96 // Set parameters of multiple scattering models
97 //========================================== 97 //================================================================
98 98
99 inline void SetStepLimitType(G4MscStepLimitT 99 inline void SetStepLimitType(G4MscStepLimitType);
100 100
101 inline void SetLateralDisplasmentFlag(G4bool 101 inline void SetLateralDisplasmentFlag(G4bool val);
102 102
103 inline void SetRangeFactor(G4double); 103 inline void SetRangeFactor(G4double);
104 104
105 inline void SetGeomFactor(G4double); 105 inline void SetGeomFactor(G4double);
106 106
107 inline void SetSkin(G4double); 107 inline void SetSkin(G4double);
108 108
109 inline void SetLambdaLimit(G4double); 109 inline void SetLambdaLimit(G4double);
110 110
111 inline void SetSafetyFactor(G4double); 111 inline void SetSafetyFactor(G4double);
112 112
113 inline void SetSampleZ(G4bool); 113 inline void SetSampleZ(G4bool);
114 114
115 //========================================== 115 //================================================================
116 // Get/Set access to Physics Tables 116 // Get/Set access to Physics Tables
117 //========================================== 117 //================================================================
118 118
119 inline G4VEnergyLossProcess* GetIonisation() 119 inline G4VEnergyLossProcess* GetIonisation() const;
120 120
121 inline void SetIonisation(G4VEnergyLossProce 121 inline void SetIonisation(G4VEnergyLossProcess*,
122 const G4ParticleDefinition* part); 122 const G4ParticleDefinition* part);
123 123
124 //========================================== 124 //================================================================
125 // Run time methods 125 // Run time methods
126 //========================================== 126 //================================================================
127 127
128 protected: 128 protected:
129 129
130 // initialisation of the ParticleChange for 130 // initialisation of the ParticleChange for the model
131 // initialisation of interface with geometry 131 // initialisation of interface with geometry and ionisation
132 G4ParticleChangeForMSC* 132 G4ParticleChangeForMSC*
133 GetParticleChangeForMSC(const G4ParticleDefi 133 GetParticleChangeForMSC(const G4ParticleDefinition* p = nullptr);
134 134
135 // convert true length to geometry length 135 // convert true length to geometry length
136 inline G4double ConvertTrueToGeom(G4double& 136 inline G4double ConvertTrueToGeom(G4double& tLength, G4double& gLength);
137 137
138 // should be set before initialisation <<
139 inline void SetUseSplineForMSC(G4bool val); <<
140 <<
141 public: 138 public:
142 139
143 // compute safety 140 // compute safety
144 inline G4double ComputeSafety(const G4ThreeV 141 inline G4double ComputeSafety(const G4ThreeVector& position,
145 G4double limit= DBL_MAX); 142 G4double limit= DBL_MAX);
146 143
147 // compute linear distance to a geometry bou 144 // compute linear distance to a geometry boundary
148 inline G4double ComputeGeomLimit(const G4Tra 145 inline G4double ComputeGeomLimit(const G4Track&, G4double& presafety,
149 G4double limit); 146 G4double limit);
150 147
151 G4double GetDEDX(const G4ParticleDefinition* 148 G4double GetDEDX(const G4ParticleDefinition* part,
152 G4double kineticEner 149 G4double kineticEnergy,
153 const G4MaterialCuts 150 const G4MaterialCutsCouple* couple);
154 151
155 G4double GetDEDX(const G4ParticleDefinition* 152 G4double GetDEDX(const G4ParticleDefinition* part,
156 G4double kineticEner 153 G4double kineticEnergy,
157 const G4MaterialCuts 154 const G4MaterialCutsCouple* couple,
158 G4double logKineticE 155 G4double logKineticEnergy);
159 156
160 G4double GetRange(const G4ParticleDefinition 157 G4double GetRange(const G4ParticleDefinition* part,
161 G4double kineticEne 158 G4double kineticEnergy,
162 const G4MaterialCut 159 const G4MaterialCutsCouple* couple);
163 160
164 G4double GetRange(const G4ParticleDefinition 161 G4double GetRange(const G4ParticleDefinition* part,
165 G4double kineticEne 162 G4double kineticEnergy,
166 const G4MaterialCut 163 const G4MaterialCutsCouple* couple,
167 G4double logKinetic 164 G4double logKineticEnergy);
168 165
169 G4double GetEnergy(const G4ParticleDefinitio 166 G4double GetEnergy(const G4ParticleDefinition* part,
170 G4double range, 167 G4double range,
171 const G4MaterialCutsCouple* couple); 168 const G4MaterialCutsCouple* couple);
172 169
173 // G4MaterialCutsCouple should be defined be 170 // G4MaterialCutsCouple should be defined before call to this method
174 inline 171 inline
175 G4double GetTransportMeanFreePath(const G4Pa 172 G4double GetTransportMeanFreePath(const G4ParticleDefinition* part,
176 G4double k 173 G4double kinEnergy);
177 174
178 inline 175 inline
179 G4double GetTransportMeanFreePath(const G4Pa 176 G4double GetTransportMeanFreePath(const G4ParticleDefinition* part,
180 G4double k 177 G4double kinEnergy,
181 G4double l 178 G4double logKinEnergy);
182 179
183 // hide assignment operator 180 // hide assignment operator
184 G4VMscModel & operator=(const G4VMscModel & 181 G4VMscModel & operator=(const G4VMscModel &right) = delete;
185 G4VMscModel(const G4VMscModel&) = delete; 182 G4VMscModel(const G4VMscModel&) = delete;
186 183
187 private: 184 private:
188 185
189 G4SafetyHelper* safetyHelper = nullptr; 186 G4SafetyHelper* safetyHelper = nullptr;
190 G4VEnergyLossProcess* ionisation = nullptr; 187 G4VEnergyLossProcess* ionisation = nullptr;
191 const G4ParticleDefinition* currentPart = nu 188 const G4ParticleDefinition* currentPart = nullptr;
192 189
193 G4double dedx = 0.0; 190 G4double dedx = 0.0;
194 G4double localtkin = 0.0; 191 G4double localtkin = 0.0;
195 G4double localrange = DBL_MAX; 192 G4double localrange = DBL_MAX;
196 193
197 protected: 194 protected:
198 195
199 G4double facrange = 0.04; 196 G4double facrange = 0.04;
200 G4double facgeom = 2.5; 197 G4double facgeom = 2.5;
201 G4double facsafety = 0.6; 198 G4double facsafety = 0.6;
202 G4double skin = 1.0; 199 G4double skin = 1.0;
203 G4double dtrl = 0.05; 200 G4double dtrl = 0.05;
204 G4double lambdalimit; 201 G4double lambdalimit;
205 G4double geomMin; 202 G4double geomMin;
206 G4double geomMax; 203 G4double geomMax;
207 204
208 G4ThreeVector fDisplacement; << 205 G4bool samplez = false;
209 G4MscStepLimitType steppingAlgorithm; << 206 G4bool latDisplasment = true;
210 <<
211 G4bool samplez = false; <<
212 G4bool latDisplasment = true; <<
213 207
214 private: << 208 G4ThreeVector fDisplacement;
>> 209 G4MscStepLimitType steppingAlgorithm;
215 210
216 G4bool useSpline = true; <<
217 }; 211 };
218 212
219 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
220 //....oooOO0OOooo........oooOO0OOooo........oo 214 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221 215
222 inline void G4VMscModel::SetLateralDisplasment 216 inline void G4VMscModel::SetLateralDisplasmentFlag(G4bool val)
223 { 217 {
224 if(!IsLocked()) { latDisplasment = val; } 218 if(!IsLocked()) { latDisplasment = val; }
225 } 219 }
226 220
227 //....oooOO0OOooo........oooOO0OOooo........oo 221 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
228 222
229 inline void G4VMscModel::SetSkin(G4double val) 223 inline void G4VMscModel::SetSkin(G4double val)
230 { 224 {
231 if(!IsLocked()) { skin = val; } 225 if(!IsLocked()) { skin = val; }
232 } 226 }
233 227
234 //....oooOO0OOooo........oooOO0OOooo........oo 228 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
235 229
236 inline void G4VMscModel::SetRangeFactor(G4doub 230 inline void G4VMscModel::SetRangeFactor(G4double val)
237 { 231 {
238 if(!IsLocked()) { facrange = val; } 232 if(!IsLocked()) { facrange = val; }
239 } 233 }
240 234
241 //....oooOO0OOooo........oooOO0OOooo........oo 235 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
242 236
243 inline void G4VMscModel::SetGeomFactor(G4doubl 237 inline void G4VMscModel::SetGeomFactor(G4double val)
244 { 238 {
245 if(!IsLocked()) { facgeom = val; } 239 if(!IsLocked()) { facgeom = val; }
246 } 240 }
247 241
248 //....oooOO0OOooo........oooOO0OOooo........oo 242 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
249 243
250 inline void G4VMscModel::SetLambdaLimit(G4doub 244 inline void G4VMscModel::SetLambdaLimit(G4double val)
251 { 245 {
252 if(!IsLocked()) { lambdalimit = val; } 246 if(!IsLocked()) { lambdalimit = val; }
253 } 247 }
254 248
255 //....oooOO0OOooo........oooOO0OOooo........oo 249 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
256 250
257 inline void G4VMscModel::SetSafetyFactor(G4dou 251 inline void G4VMscModel::SetSafetyFactor(G4double val)
258 { 252 {
259 if(!IsLocked()) { facsafety = val; } 253 if(!IsLocked()) { facsafety = val; }
260 } 254 }
261 255
262 //....oooOO0OOooo........oooOO0OOooo........oo 256 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
263 257
264 inline void G4VMscModel::SetStepLimitType(G4Ms 258 inline void G4VMscModel::SetStepLimitType(G4MscStepLimitType val)
265 { 259 {
266 if(!IsLocked()) { steppingAlgorithm = val; } 260 if(!IsLocked()) { steppingAlgorithm = val; }
267 } 261 }
268 262
269 //....oooOO0OOooo........oooOO0OOooo........oo 263 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
270 264
271 inline void G4VMscModel::SetSampleZ(G4bool val 265 inline void G4VMscModel::SetSampleZ(G4bool val)
272 { 266 {
273 if(!IsLocked()) { samplez = val; } 267 if(!IsLocked()) { samplez = val; }
274 } 268 }
275 269
276 //....oooOO0OOooo........oooOO0OOooo........oo 270 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 271
278 inline G4double G4VMscModel::ComputeSafety(con 272 inline G4double G4VMscModel::ComputeSafety(const G4ThreeVector& position,
279 G4double limit) 273 G4double limit)
280 { 274 {
281 return safetyHelper->ComputeSafety(position 275 return safetyHelper->ComputeSafety(position, limit);
282 } 276 }
283 277
284 //....oooOO0OOooo........oooOO0OOooo........oo 278 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
285 279
286 inline G4double G4VMscModel::ConvertTrueToGeom 280 inline G4double G4VMscModel::ConvertTrueToGeom(G4double& tlength,
287 G4double& glength) 281 G4double& glength)
288 { 282 {
289 glength = ComputeGeomPathLength(tlength); 283 glength = ComputeGeomPathLength(tlength);
290 // should return true length 284 // should return true length
291 return tlength; 285 return tlength;
292 } 286 }
293 287
294 //....oooOO0OOooo........oooOO0OOooo........oo 288 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
295 289
296 inline G4double G4VMscModel::ComputeGeomLimit( 290 inline G4double G4VMscModel::ComputeGeomLimit(const G4Track& track,
297 G4double& presafety, 291 G4double& presafety,
298 G4double limit) 292 G4double limit)
299 { 293 {
300 return safetyHelper->CheckNextStep( 294 return safetyHelper->CheckNextStep(
301 track.GetStep()->GetPreStepPoint()-> 295 track.GetStep()->GetPreStepPoint()->GetPosition(),
302 track.GetMomentumDirection(), 296 track.GetMomentumDirection(),
303 limit, presafety); 297 limit, presafety);
304 } 298 }
305 299
306 //....oooOO0OOooo........oooOO0OOooo........oo 300 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
307 301
308 inline G4VEnergyLossProcess* G4VMscModel::GetI 302 inline G4VEnergyLossProcess* G4VMscModel::GetIonisation() const
309 { 303 {
310 return ionisation; 304 return ionisation;
311 } 305 }
312 306
313 //....oooOO0OOooo........oooOO0OOooo........oo 307 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
314 308
315 inline void G4VMscModel::SetIonisation(G4VEner 309 inline void G4VMscModel::SetIonisation(G4VEnergyLossProcess* p,
316 const G4ParticleDefinition* par 310 const G4ParticleDefinition* part)
317 { 311 {
318 ionisation = p; 312 ionisation = p;
319 currentPart = part; 313 currentPart = part;
320 } 314 }
321 315
322 //....oooOO0OOooo........oooOO0OOooo........oo 316 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
323 317
324 inline G4double 318 inline G4double
325 G4VMscModel::GetTransportMeanFreePath(const G4 319 G4VMscModel::GetTransportMeanFreePath(const G4ParticleDefinition* part,
326 G4double 320 G4double ekin)
327 { 321 {
328 G4double x; 322 G4double x;
329 if (nullptr != xSectionTable) { 323 if (nullptr != xSectionTable) {
330 x = pFactor*(*xSectionTable)[basedCoupleIn 324 x = pFactor*(*xSectionTable)[basedCoupleIndex]->Value(ekin)/(ekin*ekin);
331 } else { 325 } else {
332 x = pFactor*CrossSectionPerVolume(pBaseMat 326 x = pFactor*CrossSectionPerVolume(pBaseMaterial, part, ekin, 0.0, DBL_MAX);
333 } 327 }
334 return (x > 0.0) ? 1.0/x : DBL_MAX; 328 return (x > 0.0) ? 1.0/x : DBL_MAX;
335 } 329 }
336 330
337 //....oooOO0OOooo........oooOO0OOooo........oo <<
338 <<
339 inline G4double 331 inline G4double
340 G4VMscModel::GetTransportMeanFreePath(const G4 332 G4VMscModel::GetTransportMeanFreePath(const G4ParticleDefinition* part,
341 G4double 333 G4double ekin, G4double logekin)
342 { 334 {
343 G4double x; 335 G4double x;
344 if (nullptr != xSectionTable) { 336 if (nullptr != xSectionTable) {
345 x = pFactor*(*xSectionTable)[basedCoupleIn 337 x = pFactor*(*xSectionTable)[basedCoupleIndex]->LogVectorValue(ekin, logekin)/(ekin*ekin);
346 } else { 338 } else {
347 x = pFactor*CrossSectionPerVolume(pBaseMat 339 x = pFactor*CrossSectionPerVolume(pBaseMaterial, part, ekin, 0.0, DBL_MAX);
348 } 340 }
349 return (x > 0.0) ? 1.0/x : DBL_MAX; 341 return (x > 0.0) ? 1.0/x : DBL_MAX;
350 } <<
351 <<
352 //....oooOO0OOooo........oooOO0OOooo........oo <<
353 <<
354 inline void G4VMscModel::SetUseSplineForMSC(G4 <<
355 { <<
356 useSpline = val; <<
357 } 342 }
358 343
359 //....oooOO0OOooo........oooOO0OOooo........oo 344 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
360 345
361 #endif 346 #endif
362 347