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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4EmBiasingManager 32 // File name: G4EmBiasingManager
33 // 33 //
34 // Author: Vladimir Ivanchenko 34 // Author: Vladimir Ivanchenko
35 // 35 //
36 // Creation date: 28.07.2011 36 // Creation date: 28.07.2011
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // Class Description: 40 // Class Description:
41 // 41 //
42 // It is a class providing step limit for forc 42 // It is a class providing step limit for forced process biasing
43 43
44 // ------------------------------------------- 44 // -------------------------------------------------------------------
45 // 45 //
46 46
47 #ifndef G4EmBiasingManager_h 47 #ifndef G4EmBiasingManager_h
48 #define G4EmBiasingManager_h 1 48 #define G4EmBiasingManager_h 1
49 49
50 #include "globals.hh" 50 #include "globals.hh"
51 #include "G4ParticleDefinition.hh" 51 #include "G4ParticleDefinition.hh"
52 #include "G4DynamicParticle.hh" 52 #include "G4DynamicParticle.hh"
53 #include "Randomize.hh" 53 #include "Randomize.hh"
54 #include <vector> 54 #include <vector>
55 55
56 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
57 57
58 class G4Region; 58 class G4Region;
59 class G4Track; 59 class G4Track;
60 class G4VEnergyLossProcess; 60 class G4VEnergyLossProcess;
61 class G4VEmModel; 61 class G4VEmModel;
62 class G4MaterialCutsCouple; 62 class G4MaterialCutsCouple;
63 class G4ParticleChangeForLoss; 63 class G4ParticleChangeForLoss;
64 class G4ParticleChangeForGamma; 64 class G4ParticleChangeForGamma;
65 65
66 class G4EmBiasingManager 66 class G4EmBiasingManager
67 { 67 {
68 public: 68 public:
69 69
70 G4EmBiasingManager(); 70 G4EmBiasingManager();
71 71
72 ~G4EmBiasingManager(); 72 ~G4EmBiasingManager();
73 73
74 void Initialise(const G4ParticleDefinition& 74 void Initialise(const G4ParticleDefinition& part,
75 const G4String& procName, G4int verbose) 75 const G4String& procName, G4int verbose);
76 76
77 // default parameters are possible 77 // default parameters are possible
78 void ActivateForcedInteraction(G4double leng 78 void ActivateForcedInteraction(G4double length = 0.0,
79 const G4String& r = ""); 79 const G4String& r = "");
80 80
81 // no default parameters 81 // no default parameters
82 void ActivateSecondaryBiasing(const G4String 82 void ActivateSecondaryBiasing(const G4String& region, G4double factor,
83 G4double energyLimit); 83 G4double energyLimit);
84 84
85 // return forced step limit 85 // return forced step limit
86 G4double GetStepLimit(G4int coupleIdx, G4dou 86 G4double GetStepLimit(G4int coupleIdx, G4double previousStep);
87 87
88 // return weight of splitting or Russian rou 88 // return weight of splitting or Russian roulette
89 // G4DynamicParticle may be deleted 89 // G4DynamicParticle may be deleted
90 // two functions are required because of the 90 // two functions are required because of the different ParticleChange
91 // ApplySecondaryBiasing() are wrappers 91 // ApplySecondaryBiasing() are wrappers
92 92
93 // for G4VEmProcess 93 // for G4VEmProcess
94 G4double ApplySecondaryBiasing(std::vector<G 94 G4double ApplySecondaryBiasing(std::vector<G4DynamicParticle*>&,
95 const G4Track& track, 95 const G4Track& track,
96 G4VEmModel* currentModel, 96 G4VEmModel* currentModel,
97 G4ParticleChangeForGamma* pParticleCh 97 G4ParticleChangeForGamma* pParticleChange,
98 G4double& eloss, 98 G4double& eloss,
99 G4int coupleIdx, 99 G4int coupleIdx,
100 G4double tcut, 100 G4double tcut,
101 G4double safety = 0.0); 101 G4double safety = 0.0);
102 102
103 // for G4VEnergyLossProcess 103 // for G4VEnergyLossProcess
104 G4double ApplySecondaryBiasing(std::vector<G 104 G4double ApplySecondaryBiasing(std::vector<G4DynamicParticle*>&,
105 const G4Track& track, 105 const G4Track& track,
106 G4VEmModel* currentModel, 106 G4VEmModel* currentModel,
107 G4ParticleChangeForLoss* pParticleCha 107 G4ParticleChangeForLoss* pParticleChange,
108 G4double& eloss, 108 G4double& eloss,
109 G4int coupleIdx, << 109 G4int coupleIdx,
110 G4double tcut, 110 G4double tcut,
111 G4double safety = 0.0); 111 G4double safety = 0.0);
112 112
113 // for G4VEnergyLossProcess 113 // for G4VEnergyLossProcess
114 G4double ApplySecondaryBiasing(std::vector<G 114 G4double ApplySecondaryBiasing(std::vector<G4Track*>&,
115 G4int coupleIdx); 115 G4int coupleIdx);
116 116
117 inline G4bool SecondaryBiasingRegion(G4int c 117 inline G4bool SecondaryBiasingRegion(G4int coupleIdx);
118 118
119 inline G4bool ForcedInteractionRegion(G4int 119 inline G4bool ForcedInteractionRegion(G4int coupleIdx);
120 120
121 inline void ResetForcedInteraction(); 121 inline void ResetForcedInteraction();
122 122
123 G4bool CheckDirection(G4ThreeVector pos, G4T 123 G4bool CheckDirection(G4ThreeVector pos, G4ThreeVector momdir) const;
124 124
125 G4bool GetDirectionalSplitting() { return f 125 G4bool GetDirectionalSplitting() { return fDirectionalSplitting; }
126 void SetDirectionalSplitting(G4bool v) { 126 void SetDirectionalSplitting(G4bool v) { fDirectionalSplitting = v; }
127 127
128 void SetDirectionalSplittingTarget(G4ThreeVe 128 void SetDirectionalSplittingTarget(G4ThreeVector v)
129 { fDirectionalSplittingTarget = v; } 129 { fDirectionalSplittingTarget = v; }
130 void SetDirectionalSplittingRadius(G4double 130 void SetDirectionalSplittingRadius(G4double r)
131 { fDirectionalSplittingRadius = r; } 131 { fDirectionalSplittingRadius = r; }
132 G4double GetWeight(G4int i); 132 G4double GetWeight(G4int i);
133 133
134 // hide copy constructor and assignment oper <<
135 G4EmBiasingManager(G4EmBiasingManager &) = d <<
136 G4EmBiasingManager & operator=(const G4EmBia <<
137 <<
138 private: 134 private:
139 135
140 void ApplyRangeCut(std::vector<G4DynamicPart 136 void ApplyRangeCut(std::vector<G4DynamicParticle*>& vd,
141 const G4Track& track, 137 const G4Track& track,
142 G4double& eloss, 138 G4double& eloss,
143 G4double safety); 139 G4double safety);
144 140
145 G4double ApplySplitting(std::vector<G4Dynami 141 G4double ApplySplitting(std::vector<G4DynamicParticle*>& vd,
146 const G4Track& track, 142 const G4Track& track,
147 G4VEmModel* currentModel, 143 G4VEmModel* currentModel,
148 G4int index, 144 G4int index,
149 G4double tcut); 145 G4double tcut);
150 146
151 G4double ApplyDirectionalSplitting(std::vect << 147 void ApplyDirectionalSplitting(std::vector<G4DynamicParticle*>& vd,
152 const G4Track& track, 148 const G4Track& track,
153 G4VEmModel* currentModel, 149 G4VEmModel* currentModel,
154 G4int index, 150 G4int index,
155 G4double tcut, 151 G4double tcut,
156 G4ParticleChangeForGamma* partChange); 152 G4ParticleChangeForGamma* partChange);
157 153
158 G4double ApplyDirectionalSplitting(std::vect << 154 void ApplyDirectionalSplitting(std::vector<G4DynamicParticle*>& vd,
159 const G4Track& track, 155 const G4Track& track,
160 G4VEmModel* currentModel, 156 G4VEmModel* currentModel,
161 G4int index, 157 G4int index,
162 G4double tcut); 158 G4double tcut);
163 159
164 inline G4double ApplyRussianRoulette(std::ve 160 inline G4double ApplyRussianRoulette(std::vector<G4DynamicParticle*>& vd,
165 G4int index); 161 G4int index);
166 162
167 G4VEnergyLossProcess* eIonisation = nullptr; << 163 // hide copy constructor and assignment operator
168 << 164 G4EmBiasingManager(G4EmBiasingManager &) = delete;
169 const G4ParticleDefinition* theElectron; << 165 G4EmBiasingManager & operator=(const G4EmBiasingManager &right) = delete;
170 const G4ParticleDefinition* theGamma; <<
171 <<
172 G4double fSafetyMin; <<
173 G4double currentStepLimit = 0.0; <<
174 G4double fDirectionalSplittingRadius = 0.0; <<
175 <<
176 G4int nForcedRegions = 0; <<
177 G4int nSecBiasedRegions = 0; <<
178 <<
179 G4bool startTracking = true; <<
180 G4bool fDirectionalSplitting = false; <<
181 <<
182 G4ThreeVector fDirectionalSplittingTarget; <<
183 std::vector<G4double> fDirectionalSplittingW <<
184 166
>> 167 G4int nForcedRegions;
>> 168 G4int nSecBiasedRegions;
>> 169 std::vector<const G4Region*> forcedRegions;
185 std::vector<G4double> lengthForRegion 170 std::vector<G4double> lengthForRegion;
>> 171 std::vector<const G4Region*> secBiasedRegions;
186 std::vector<G4double> secBiasedWeight 172 std::vector<G4double> secBiasedWeight;
187 std::vector<G4double> secBiasedEnegry 173 std::vector<G4double> secBiasedEnegryLimit;
188 <<
189 std::vector<const G4Region*> forcedRegions; <<
190 std::vector<const G4Region*> secBiasedRegion <<
191 <<
192 std::vector<G4int> nBremSplitting; 174 std::vector<G4int> nBremSplitting;
>> 175
193 std::vector<G4int> idxForcedCouple 176 std::vector<G4int> idxForcedCouple;
194 std::vector<G4int> idxSecBiasedCou 177 std::vector<G4int> idxSecBiasedCouple;
195 178
196 std::vector<G4DynamicParticle*> tmpSecondari 179 std::vector<G4DynamicParticle*> tmpSecondaries;
>> 180
>> 181 G4VEnergyLossProcess* eIonisation;
>> 182
>> 183 const G4ParticleDefinition* theElectron;
>> 184 const G4ParticleDefinition* theGamma;
>> 185
>> 186 G4double fSafetyMin;
>> 187 G4double currentStepLimit;
>> 188 G4bool startTracking;
>> 189
>> 190 G4double fWeight;
>> 191
>> 192 G4bool fDirectionalSplitting;
>> 193 G4ThreeVector fDirectionalSplittingTarget;
>> 194 G4double fDirectionalSplittingRadius;
>> 195 std::vector<G4double> fDirectionalSplittingWeights;
197 }; 196 };
198 197
199 inline G4bool 198 inline G4bool
200 G4EmBiasingManager::SecondaryBiasingRegion(G4i 199 G4EmBiasingManager::SecondaryBiasingRegion(G4int coupleIdx)
201 { 200 {
202 G4bool res = false; 201 G4bool res = false;
203 if(nSecBiasedRegions > 0) { 202 if(nSecBiasedRegions > 0) {
204 if(idxSecBiasedCouple[coupleIdx] >= 0) { r 203 if(idxSecBiasedCouple[coupleIdx] >= 0) { res = true; }
205 } 204 }
206 return res; 205 return res;
207 } 206 }
208 207
209 inline G4bool G4EmBiasingManager::ForcedIntera 208 inline G4bool G4EmBiasingManager::ForcedInteractionRegion(G4int coupleIdx)
210 { 209 {
211 G4bool res = false; 210 G4bool res = false;
212 if(nForcedRegions > 0) { 211 if(nForcedRegions > 0) {
213 if(idxForcedCouple[coupleIdx] >= 0) { res 212 if(idxForcedCouple[coupleIdx] >= 0) { res = true; }
214 } 213 }
215 return res; 214 return res;
216 } 215 }
217 216
218 inline void G4EmBiasingManager::ResetForcedInt 217 inline void G4EmBiasingManager::ResetForcedInteraction()
219 { 218 {
220 startTracking = true; 219 startTracking = true;
221 } 220 }
222 221
223 //....oooOO0OOooo........oooOO0OOooo........oo 222 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
224 223
225 inline G4double 224 inline G4double
226 G4EmBiasingManager::ApplyRussianRoulette(std:: 225 G4EmBiasingManager::ApplyRussianRoulette(std::vector<G4DynamicParticle*>& vd,
227 G4int index) 226 G4int index)
228 { 227 {
229 size_t n = vd.size(); 228 size_t n = vd.size();
230 G4double weight = secBiasedWeight[index]; 229 G4double weight = secBiasedWeight[index];
231 for(size_t k=0; k<n; ++k) { 230 for(size_t k=0; k<n; ++k) {
232 if(G4UniformRand()*weight > 1.0) { 231 if(G4UniformRand()*weight > 1.0) {
233 const G4DynamicParticle* dp = vd[k]; 232 const G4DynamicParticle* dp = vd[k];
234 delete dp; 233 delete dp;
235 vd[k] = nullptr; 234 vd[k] = nullptr;
236 } 235 }
237 } 236 }
238 return weight; 237 return weight;
239 } 238 }
240 239
241 //....oooOO0OOooo........oooOO0OOooo........oo 240 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
242 241
243 #endif 242 #endif
244 243