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25 // 25 //
>> 26 // $Id: G4VMscModel.hh,v 1.9 2009/04/07 18:39:47 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-03 $
>> 28 //
26 // ------------------------------------------- 29 // -------------------------------------------------------------------
27 // 30 //
28 // GEANT4 Class header file 31 // GEANT4 Class header file
29 // 32 //
30 // 33 //
31 // File name: G4VMscModel 34 // File name: G4VMscModel
32 // 35 //
33 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
34 // 37 //
35 // Creation date: 07.03.2008 38 // Creation date: 07.03.2008
36 // 39 //
37 // Modifications: 40 // Modifications:
38 // 07.04.2009 V.Ivanchenko moved msc methods f 41 // 07.04.2009 V.Ivanchenko moved msc methods from G4VEmModel to G4VMscModel
39 // 26.03.2012 V.Ivanchenko added transport x-s <<
40 // 42 //
41 // Class Description: 43 // Class Description:
42 // 44 //
43 // General interface to msc models 45 // General interface to msc models
44 46
45 // ------------------------------------------- 47 // -------------------------------------------------------------------
46 // 48 //
>> 49
47 #ifndef G4VMscModel_h 50 #ifndef G4VMscModel_h
48 #define G4VMscModel_h 1 51 #define G4VMscModel_h 1
49 52
50 #include <CLHEP/Units/SystemOfUnits.h> <<
51 <<
52 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
53 #include "G4MscStepLimitType.hh" 54 #include "G4MscStepLimitType.hh"
54 #include "globals.hh" 55 #include "globals.hh"
55 #include "G4ThreeVector.hh" 56 #include "G4ThreeVector.hh"
56 #include "G4Track.hh" 57 #include "G4Track.hh"
57 #include "G4SafetyHelper.hh" 58 #include "G4SafetyHelper.hh"
58 #include "G4PhysicsTable.hh" <<
59 #include "G4ThreeVector.hh" <<
60 #include <vector> <<
61 59
62 class G4ParticleChangeForMSC; 60 class G4ParticleChangeForMSC;
63 class G4ParticleDefinition; <<
64 class G4VEnergyLossProcess; <<
65 61
66 class G4VMscModel : public G4VEmModel 62 class G4VMscModel : public G4VEmModel
67 { 63 {
68 64
69 public: 65 public:
70 66
71 explicit G4VMscModel(const G4String& nam); << 67 G4VMscModel(const G4String& nam);
72 <<
73 ~G4VMscModel() override; <<
74 68
75 virtual G4double ComputeTruePathLengthLimit( << 69 virtual ~G4VMscModel();
76 G4double& stepLimit) = 0; <<
77 70
78 virtual G4double ComputeGeomPathLength(G4dou << 71 virtual G4double ComputeTruePathLengthLimit(const G4Track& track,
>> 72 G4PhysicsTable* theLambdaTable,
>> 73 G4double currentMinimalStep);
79 74
80 virtual G4double ComputeTrueStepLength(G4dou << 75 virtual G4double ComputeGeomPathLength(G4double truePathLength);
81 76
82 virtual G4ThreeVector& SampleScattering(cons << 77 virtual G4double ComputeTrueStepLength(G4double geomPathLength);
83 G4double safety) = 0; <<
84 78
85 void InitialiseParameters(const G4ParticleDe << 79 virtual void SampleScattering(const G4DynamicParticle*,
>> 80 G4double safety);
86 81
87 void DumpParameters(std::ostream& out) const << 82 // empty
88 << 83 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
89 // empty method << 84 const G4MaterialCutsCouple*,
90 void SampleSecondaries(std::vector<G4Dynamic << 85 const G4DynamicParticle*,
91 const G4MaterialCutsCouple*, << 86 G4double tmin,
92 const G4DynamicParticle*, << 87 G4double tmax);
93 G4double tmin, G4double tmax) override; <<
94 88
95 //========================================== 89 //================================================================
96 // Set parameters of multiple scattering mo 90 // Set parameters of multiple scattering models
97 //========================================== 91 //================================================================
98 92
99 inline void SetStepLimitType(G4MscStepLimitT 93 inline void SetStepLimitType(G4MscStepLimitType);
100 94
101 inline void SetLateralDisplasmentFlag(G4bool 95 inline void SetLateralDisplasmentFlag(G4bool val);
102 96
103 inline void SetRangeFactor(G4double); 97 inline void SetRangeFactor(G4double);
104 98
105 inline void SetGeomFactor(G4double); 99 inline void SetGeomFactor(G4double);
106 100
107 inline void SetSkin(G4double); 101 inline void SetSkin(G4double);
108 102
109 inline void SetLambdaLimit(G4double); <<
110 <<
111 inline void SetSafetyFactor(G4double); <<
112 <<
113 inline void SetSampleZ(G4bool); 103 inline void SetSampleZ(G4bool);
114 104
115 //========================================== <<
116 // Get/Set access to Physics Tables <<
117 //========================================== <<
118 <<
119 inline G4VEnergyLossProcess* GetIonisation() <<
120 <<
121 inline void SetIonisation(G4VEnergyLossProce <<
122 const G4ParticleDefinition* part); <<
123 <<
124 //========================================== <<
125 // Run time methods <<
126 //========================================== <<
127 <<
128 protected: 105 protected:
129 106
130 // initialisation of the ParticleChange for 107 // initialisation of the ParticleChange for the model
131 // initialisation of interface with geometry << 108 G4ParticleChangeForMSC* GetParticleChangeForMSC();
132 G4ParticleChangeForMSC* <<
133 GetParticleChangeForMSC(const G4ParticleDefi <<
134 109
135 // convert true length to geometry length << 110 // initialisation of interface with geometry
136 inline G4double ConvertTrueToGeom(G4double& << 111 void InitialiseSafetyHelper();
137 112
138 // should be set before initialisation << 113 // shift point of the track PostStep
139 inline void SetUseSplineForMSC(G4bool val); << 114 void ComputeDisplacement(G4ParticleChangeForMSC*,
140 << 115 const G4ThreeVector& displDir,
141 public: << 116 G4double displacement,
>> 117 G4double postsafety);
142 118
143 // compute safety 119 // compute safety
144 inline G4double ComputeSafety(const G4ThreeV << 120 inline G4double ComputeSafety(const G4ThreeVector& position, G4double limit);
145 G4double limit= DBL_MAX); <<
146 121
147 // compute linear distance to a geometry bou 122 // compute linear distance to a geometry boundary
148 inline G4double ComputeGeomLimit(const G4Tra << 123 inline G4double ComputeGeomLimit(const G4Track& position, G4double& presafety,
149 G4double limit); 124 G4double limit);
150 125
151 G4double GetDEDX(const G4ParticleDefinition* << 126 private:
152 G4double kineticEner <<
153 const G4MaterialCuts <<
154 <<
155 G4double GetDEDX(const G4ParticleDefinition* <<
156 G4double kineticEner <<
157 const G4MaterialCuts <<
158 G4double logKineticE <<
159 <<
160 G4double GetRange(const G4ParticleDefinition <<
161 G4double kineticEne <<
162 const G4MaterialCut <<
163 <<
164 G4double GetRange(const G4ParticleDefinition <<
165 G4double kineticEne <<
166 const G4MaterialCut <<
167 G4double logKinetic <<
168 <<
169 G4double GetEnergy(const G4ParticleDefinitio <<
170 G4double range, <<
171 const G4MaterialCutsCouple* couple); <<
172 <<
173 // G4MaterialCutsCouple should be defined be <<
174 inline <<
175 G4double GetTransportMeanFreePath(const G4Pa <<
176 G4double k <<
177 <<
178 inline <<
179 G4double GetTransportMeanFreePath(const G4Pa <<
180 G4double k <<
181 G4double l <<
182 127
183 // hide assignment operator 128 // hide assignment operator
184 G4VMscModel & operator=(const G4VMscModel & << 129 G4VMscModel & operator=(const G4VMscModel &right);
185 G4VMscModel(const G4VMscModel&) = delete; << 130 G4VMscModel(const G4VMscModel&);
186 <<
187 private: <<
188 131
189 G4SafetyHelper* safetyHelper = nullptr; << 132 G4SafetyHelper* safetyHelper;
190 G4VEnergyLossProcess* ionisation = nullptr; <<
191 const G4ParticleDefinition* currentPart = nu <<
192 <<
193 G4double dedx = 0.0; <<
194 G4double localtkin = 0.0; <<
195 G4double localrange = DBL_MAX; <<
196 133
197 protected: 134 protected:
198 135
199 G4double facrange = 0.04; << 136 G4double facrange;
200 G4double facgeom = 2.5; << 137 G4double facgeom;
201 G4double facsafety = 0.6; << 138 G4double facsafety;
202 G4double skin = 1.0; << 139 G4double skin;
203 G4double dtrl = 0.05; << 140 G4double dtrl;
204 G4double lambdalimit; 141 G4double lambdalimit;
205 G4double geomMin; << 142 G4double geommax;
206 G4double geomMax; <<
207 143
208 G4ThreeVector fDisplacement; <<
209 G4MscStepLimitType steppingAlgorithm; 144 G4MscStepLimitType steppingAlgorithm;
210 145
211 G4bool samplez = false; << 146 G4bool samplez;
212 G4bool latDisplasment = true; << 147 G4bool latDisplasment;
213 148
214 private: <<
215 <<
216 G4bool useSpline = true; <<
217 }; 149 };
218 150
219 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
220 //....oooOO0OOooo........oooOO0OOooo........oo 152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221 153
222 inline void G4VMscModel::SetLateralDisplasment 154 inline void G4VMscModel::SetLateralDisplasmentFlag(G4bool val)
223 { 155 {
224 if(!IsLocked()) { latDisplasment = val; } << 156 latDisplasment = val;
225 } 157 }
226 158
227 //....oooOO0OOooo........oooOO0OOooo........oo 159 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
228 160
229 inline void G4VMscModel::SetSkin(G4double val) 161 inline void G4VMscModel::SetSkin(G4double val)
230 { 162 {
231 if(!IsLocked()) { skin = val; } << 163 skin = val;
232 } 164 }
233 165
234 //....oooOO0OOooo........oooOO0OOooo........oo 166 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
235 167
236 inline void G4VMscModel::SetRangeFactor(G4doub 168 inline void G4VMscModel::SetRangeFactor(G4double val)
237 { 169 {
238 if(!IsLocked()) { facrange = val; } << 170 facrange = val;
239 } 171 }
240 172
241 //....oooOO0OOooo........oooOO0OOooo........oo 173 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
242 174
243 inline void G4VMscModel::SetGeomFactor(G4doubl 175 inline void G4VMscModel::SetGeomFactor(G4double val)
244 { 176 {
245 if(!IsLocked()) { facgeom = val; } << 177 facgeom = val;
246 } <<
247 <<
248 //....oooOO0OOooo........oooOO0OOooo........oo <<
249 <<
250 inline void G4VMscModel::SetLambdaLimit(G4doub <<
251 { <<
252 if(!IsLocked()) { lambdalimit = val; } <<
253 } <<
254 <<
255 //....oooOO0OOooo........oooOO0OOooo........oo <<
256 <<
257 inline void G4VMscModel::SetSafetyFactor(G4dou <<
258 { <<
259 if(!IsLocked()) { facsafety = val; } <<
260 } 178 }
261 179
262 //....oooOO0OOooo........oooOO0OOooo........oo 180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
263 181
264 inline void G4VMscModel::SetStepLimitType(G4Ms 182 inline void G4VMscModel::SetStepLimitType(G4MscStepLimitType val)
265 { 183 {
266 if(!IsLocked()) { steppingAlgorithm = val; } << 184 steppingAlgorithm = val;
267 } 185 }
268 186
269 //....oooOO0OOooo........oooOO0OOooo........oo 187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
270 188
271 inline void G4VMscModel::SetSampleZ(G4bool val 189 inline void G4VMscModel::SetSampleZ(G4bool val)
272 { 190 {
273 if(!IsLocked()) { samplez = val; } << 191 samplez = val;
274 } 192 }
275 193
276 //....oooOO0OOooo........oooOO0OOooo........oo 194 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 195
278 inline G4double G4VMscModel::ComputeSafety(con 196 inline G4double G4VMscModel::ComputeSafety(const G4ThreeVector& position,
279 G4double limit) << 197 G4double)
280 { 198 {
281 return safetyHelper->ComputeSafety(position << 199 return safetyHelper->ComputeSafety(position);
282 } <<
283 <<
284 //....oooOO0OOooo........oooOO0OOooo........oo <<
285 <<
286 inline G4double G4VMscModel::ConvertTrueToGeom <<
287 G4double& glength) <<
288 { <<
289 glength = ComputeGeomPathLength(tlength); <<
290 // should return true length <<
291 return tlength; <<
292 } 200 }
293 201
294 //....oooOO0OOooo........oooOO0OOooo........oo 202 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
295 203
296 inline G4double G4VMscModel::ComputeGeomLimit( 204 inline G4double G4VMscModel::ComputeGeomLimit(const G4Track& track,
297 G4double& presafety, 205 G4double& presafety,
298 G4double limit) 206 G4double limit)
299 { 207 {
300 return safetyHelper->CheckNextStep( << 208 G4double res = geommax;
>> 209 if(track.GetVolume() != safetyHelper->GetWorldVolume()) {
>> 210 res = safetyHelper->CheckNextStep(
301 track.GetStep()->GetPreStepPoint()-> 211 track.GetStep()->GetPreStepPoint()->GetPosition(),
302 track.GetMomentumDirection(), 212 track.GetMomentumDirection(),
303 limit, presafety); 213 limit, presafety);
304 } <<
305 <<
306 //....oooOO0OOooo........oooOO0OOooo........oo <<
307 <<
308 inline G4VEnergyLossProcess* G4VMscModel::GetI <<
309 { <<
310 return ionisation; <<
311 } <<
312 <<
313 //....oooOO0OOooo........oooOO0OOooo........oo <<
314 <<
315 inline void G4VMscModel::SetIonisation(G4VEner <<
316 const G4ParticleDefinition* par <<
317 { <<
318 ionisation = p; <<
319 currentPart = part; <<
320 } <<
321 <<
322 //....oooOO0OOooo........oooOO0OOooo........oo <<
323 <<
324 inline G4double <<
325 G4VMscModel::GetTransportMeanFreePath(const G4 <<
326 G4double <<
327 { <<
328 G4double x; <<
329 if (nullptr != xSectionTable) { <<
330 x = pFactor*(*xSectionTable)[basedCoupleIn <<
331 } else { <<
332 x = pFactor*CrossSectionPerVolume(pBaseMat <<
333 } <<
334 return (x > 0.0) ? 1.0/x : DBL_MAX; <<
335 } <<
336 <<
337 //....oooOO0OOooo........oooOO0OOooo........oo <<
338 <<
339 inline G4double <<
340 G4VMscModel::GetTransportMeanFreePath(const G4 <<
341 G4double <<
342 { <<
343 G4double x; <<
344 if (nullptr != xSectionTable) { <<
345 x = pFactor*(*xSectionTable)[basedCoupleIn <<
346 } else { <<
347 x = pFactor*CrossSectionPerVolume(pBaseMat <<
348 } 214 }
349 return (x > 0.0) ? 1.0/x : DBL_MAX; << 215 return res;
350 } <<
351 <<
352 //....oooOO0OOooo........oooOO0OOooo........oo <<
353 <<
354 inline void G4VMscModel::SetUseSplineForMSC(G4 <<
355 { <<
356 useSpline = val; <<
357 } 216 }
358 217
359 //....oooOO0OOooo........oooOO0OOooo........oo 218 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
360 219
361 #endif 220 #endif
>> 221
362 222