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25 // 25 //
26 // G4ParticleChangeForLoss <<
27 // 26 //
28 // Class description: << 27 // $Id: G4ParticleChangeForLoss.hh,v 1.19 2006/08/28 16:10:06 vnivanch Exp $
>> 28 // GEANT4 tag $Name: geant4-08-03-patch-01 $
29 // 29 //
30 // Concrete class for ParticleChange for Energ << 30 //
31 << 31 // ------------------------------------------------------------
32 // Author: Hisaya Kurashige, 23 March 1998 << 32 // GEANT 4 class header file
33 // Revision: Vladimir Ivantchenko, 16 January << 33 //
34 // 24 August 2 << 34 //
35 // ------------------------------------------- << 35 // ------------------------------------------------------------
36 #ifndef G4ParticleChangeForLoss_hh << 36 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
37 #define G4ParticleChangeForLoss_hh 1 << 37 //
>> 38 // Modified:
>> 39 // 16.01.04 V.Ivanchenko update for model variant of energy loss
>> 40 // 15.04.05 V.Ivanchenko inline update methods
>> 41 // 30.01.06 V.Ivanchenko add ProposedMomentumDirection for AlongStep
>> 42 // and ProposeWeight for PostStep
>> 43 // 07.06.06 V.Ivanchenko RemoveProposedMomentumDirection from AlongStep
>> 44 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 45 //
>> 46 // ------------------------------------------------------------
>> 47 //
>> 48 // Class Description
>> 49 // This class is a concrete class for ParticleChange for EnergyLoss
>> 50 //
>> 51 #ifndef G4ParticleChangeForLoss_h
>> 52 #define G4ParticleChangeForLoss_h 1
38 53
>> 54 #include "globals.hh"
>> 55 #include "G4ios.hh"
39 #include "G4VParticleChange.hh" 56 #include "G4VParticleChange.hh"
40 #include "G4DynamicParticle.hh" <<
41 57
42 class G4ParticleChangeForLoss final : public G << 58 class G4DynamicParticle;
>> 59
>> 60 class G4ParticleChangeForLoss: public G4VParticleChange
43 { 61 {
44 public: 62 public:
45 << 63 // default constructor
46 G4ParticleChangeForLoss(); 64 G4ParticleChangeForLoss();
47 65
48 ~G4ParticleChangeForLoss() override = defaul << 66 // destructor
49 << 67 virtual ~G4ParticleChangeForLoss();
50 G4ParticleChangeForLoss(const G4ParticleChan <<
51 G4ParticleChangeForLoss& operator=(const G4P <<
52 68
>> 69 // with description
>> 70 // ----------------------------------------------------
53 // --- the following methods are for updatin 71 // --- the following methods are for updating G4Step -----
54 72
55 G4Step* UpdateStepForAlongStep(G4Step* step) << 73 G4Step* UpdateStepForAlongStep(G4Step* Step);
56 G4Step* UpdateStepForPostStep(G4Step* step) << 74 G4Step* UpdateStepForPostStep(G4Step* Step);
57 << 75 // A physics process gives the final state of the particle
58 // Initialize all used properties << 76 // based on information of G4Track
59 inline void InitializeForAlongStep(const G4T << 77
60 inline void InitializeForPostStep(const G4Tr << 78 void InitializeForAlongStep(const G4Track&);
61 << 79 void InitializeForPostStep(const G4Track&);
62 // Get/Set dynamic charge << 80 //Initialize all propoerties by using G4Track information
63 inline G4double GetProposedCharge() const; << 81
64 inline void SetProposedCharge(G4double theCh << 82 void AddSecondary(G4DynamicParticle* aParticle);
65 << 83 // Add next secondary
66 // Get/Set the final kinetic energy of the c << 84
67 inline G4double GetProposedKineticEnergy() c << 85 G4double GetProposedCharge() const;
68 inline void SetProposedKineticEnergy(G4doubl << 86 void SetProposedCharge(G4double theCharge);
69 << 87 // Get/Set theCharge
70 // Get/Propose the MomentumDirection vector: << 88
71 // direction << 89 G4double GetCharge() const;
72 inline const G4ThreeVector& GetProposedMomen << 90 void ProposeCharge(G4double finalCharge);
73 inline void SetProposedMomentumDirection(con << 91 // Get/Propose the final dynamical Charge in G4DynamicParticle
74 inline void ProposeMomentumDirection(const G << 92
75 << 93 G4double GetProposedKineticEnergy() const;
76 inline const G4ThreeVector& GetProposedPolar << 94 void SetProposedKineticEnergy(G4double proposedKinEnergy);
77 inline void ProposePolarization(const G4Thre << 95 // Get/Set the final kinetic energy of the current particle.
78 inline void ProposePolarization(G4double Px, << 96
79 << 97 const G4ThreeVector& GetProposedMomentumDirection() const;
80 void DumpInfo() const final; << 98 void SetProposedMomentumDirection(const G4ThreeVector& dir);
>> 99 const G4ThreeVector& GetMomentumDirection() const;
>> 100 void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz);
>> 101 void ProposeMomentumDirection(const G4ThreeVector& Pfinal);
>> 102 // Get/Propose the MomentumDirection vector: it is the final momentum direction.
>> 103
>> 104 const G4ThreeVector& GetProposedPolarization() const;
>> 105 void ProposePolarization(const G4ThreeVector& dir);
>> 106 void ProposePolarization(G4double Px, G4double Py, G4double Pz);
>> 107
>> 108 const G4Track* GetCurrentTrack() const;
>> 109
>> 110 virtual void DumpInfo() const;
>> 111
>> 112 // for Debug
>> 113 virtual G4bool CheckIt(const G4Track&);
>> 114
>> 115 protected:
>> 116 // hide copy constructor and assignment operaor as protected
>> 117 G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right);
>> 118 G4ParticleChangeForLoss & operator=(const G4ParticleChangeForLoss &right);
81 119
82 private: 120 private:
83 121
84 G4double proposedKinEnergy = 0.0; << 122 const G4Track* currentTrack;
85 // The final kinetic energy of the current p << 123 // The pointer to G4Track
86 124
87 G4double currentCharge = 0.0; << 125 G4double proposedKinEnergy;
88 // The final charge of the current parti << 126 // The final kinetic energy of the current particle.
>> 127
>> 128 G4double currentCharge;
>> 129 // The final charge of the current particle.
89 130
90 G4ThreeVector proposedMomentumDirection; 131 G4ThreeVector proposedMomentumDirection;
91 // The final momentum direction of the curre << 132 // The final momentum direction of the current particle.
92 133
93 G4ThreeVector proposedPolarization; 134 G4ThreeVector proposedPolarization;
94 // The final polarization of the current par << 135 // The final polarization of the current particle.
95 }; 136 };
96 137
97 // ---------------------- << 138 // ------------------------------------------------------------
98 // Inline methods <<
99 // ---------------------- <<
100 139
101 inline << 140 inline G4double G4ParticleChangeForLoss::GetProposedKineticEnergy() const
102 G4double G4ParticleChangeForLoss::GetProposedK <<
103 { 141 {
104 return proposedKinEnergy; 142 return proposedKinEnergy;
105 } 143 }
106 144
107 inline << 145 inline void G4ParticleChangeForLoss::SetProposedKineticEnergy(G4double energy)
108 void G4ParticleChangeForLoss::SetProposedKinet <<
109 { 146 {
110 proposedKinEnergy = energy; 147 proposedKinEnergy = energy;
111 } 148 }
112 149
113 inline G4double G4ParticleChangeForLoss::GetPr 150 inline G4double G4ParticleChangeForLoss::GetProposedCharge() const
114 { 151 {
115 return currentCharge; 152 return currentCharge;
116 } 153 }
117 154
118 inline << 155 inline G4double G4ParticleChangeForLoss::GetCharge() const
119 void G4ParticleChangeForLoss::SetProposedCharg << 156 {
>> 157 return currentCharge;
>> 158 }
>> 159
>> 160 inline void G4ParticleChangeForLoss::SetProposedCharge(G4double theCharge)
>> 161 {
>> 162 currentCharge = theCharge;
>> 163 }
>> 164
>> 165 inline void G4ParticleChangeForLoss::ProposeCharge(G4double theCharge)
120 { 166 {
121 currentCharge = theCharge; 167 currentCharge = theCharge;
122 } 168 }
123 169
124 inline 170 inline
125 const G4ThreeVector& << 171 const G4ThreeVector& G4ParticleChangeForLoss::GetProposedMomentumDirection() const
126 G4ParticleChangeForLoss::GetProposedMomentumDi <<
127 { 172 {
128 return proposedMomentumDirection; 173 return proposedMomentumDirection;
129 } 174 }
130 175
131 inline 176 inline
132 void G4ParticleChangeForLoss::ProposeMomentumD << 177 const G4ThreeVector& G4ParticleChangeForLoss::GetMomentumDirection() const
>> 178 {
>> 179 return proposedMomentumDirection;
>> 180 }
>> 181
>> 182 inline
>> 183 void G4ParticleChangeForLoss::ProposeMomentumDirection(const G4ThreeVector& dir)
133 { 184 {
134 proposedMomentumDirection = dir; 185 proposedMomentumDirection = dir;
135 } 186 }
136 187
137 inline 188 inline
138 void << 189 void G4ParticleChangeForLoss::SetProposedMomentumDirection(const G4ThreeVector& dir)
139 G4ParticleChangeForLoss::SetProposedMomentumDi <<
140 { 190 {
141 proposedMomentumDirection = dir; 191 proposedMomentumDirection = dir;
142 } 192 }
143 193
144 inline 194 inline
145 const G4ThreeVector& G4ParticleChangeForLoss:: << 195 void G4ParticleChangeForLoss::ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
>> 196 {
>> 197 proposedMomentumDirection.setX(Px);
>> 198 proposedMomentumDirection.setY(Py);
>> 199 proposedMomentumDirection.setZ(Pz);
>> 200 }
>> 201
>> 202 inline const G4Track* G4ParticleChangeForLoss::GetCurrentTrack() const
>> 203 {
>> 204 return currentTrack;
>> 205 }
>> 206
>> 207 inline
>> 208 const G4ThreeVector& G4ParticleChangeForLoss::GetProposedPolarization() const
146 { 209 {
147 return proposedPolarization; 210 return proposedPolarization;
148 } 211 }
149 212
150 inline 213 inline
151 void G4ParticleChangeForLoss::ProposePolarizat << 214 void G4ParticleChangeForLoss::ProposePolarization(const G4ThreeVector& dir)
152 { 215 {
153 proposedPolarization = dir; 216 proposedPolarization = dir;
154 } 217 }
155 218
156 inline void G4ParticleChangeForLoss::ProposePo << 219 inline
157 << 220 void G4ParticleChangeForLoss::ProposePolarization(G4double Px, G4double Py, G4double Pz)
158 <<
159 { 221 {
160 proposedPolarization.set(Px, Py, Pz); << 222 proposedPolarization.setX(Px);
>> 223 proposedPolarization.setY(Py);
>> 224 proposedPolarization.setZ(Pz);
161 } 225 }
162 226
163 inline << 227 inline void G4ParticleChangeForLoss::InitializeForAlongStep(const G4Track& track)
164 void G4ParticleChangeForLoss::InitializeForAlo <<
165 { 228 {
166 InitializeSecondaries(); << 229 theStatusChange = track.GetTrackStatus();
167 InitializeLocalEnergyDeposit(); << 230 theLocalEnergyDeposit = 0.0;
168 InitializeParentWeight(track); << 231 InitializeSecondaries(track);
169 InitializeStatusChange(track); << 232 theParentWeight = track.GetWeight();
170 proposedKinEnergy = track.GetKineticEnergy() 233 proposedKinEnergy = track.GetKineticEnergy();
171 currentCharge = track.GetDynamicParticle()-> 234 currentCharge = track.GetDynamicParticle()->GetCharge();
172 } 235 }
173 236
174 inline << 237 inline void G4ParticleChangeForLoss::InitializeForPostStep(const G4Track& track)
175 void G4ParticleChangeForLoss::InitializeForPos <<
176 { 238 {
177 InitializeForAlongStep(track); << 239 theStatusChange = track.GetTrackStatus();
>> 240 theLocalEnergyDeposit = 0.0;
>> 241 InitializeSecondaries(track);
>> 242 theParentWeight = track.GetWeight();
>> 243 proposedKinEnergy = track.GetKineticEnergy();
>> 244 currentCharge = track.GetDynamicParticle()->GetCharge();
178 proposedMomentumDirection = track.GetMomentu 245 proposedMomentumDirection = track.GetMomentumDirection();
179 proposedPolarization = track.GetPolarization 246 proposedPolarization = track.GetPolarization();
>> 247 currentTrack = &track;
>> 248 }
>> 249
>> 250 //----------------------------------------------------------------
>> 251 // methods for updating G4Step
>> 252 //
>> 253
>> 254 inline G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
>> 255 {
>> 256 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 257
>> 258 // accumulate change of the kinetic energy
>> 259 G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
>> 260 (proposedKinEnergy - pStep->GetPreStepPoint()->GetKineticEnergy());
>> 261
>> 262 // update kinetic energy and charge
>> 263 if (kinEnergy < DBL_MIN) {
>> 264 theLocalEnergyDeposit += kinEnergy;
>> 265 kinEnergy = 0.0;
>> 266 } else {
>> 267 pPostStepPoint->SetCharge( currentCharge );
>> 268 }
>> 269 pPostStepPoint->SetKineticEnergy( kinEnergy );
>> 270
>> 271 // update weight
>> 272 // this feature is commented out, it should be overwritten in case
>> 273 // if energy loss processes will use biasing
>> 274 // G4double newWeight = theParentWeight*(pPostStepPoint->GetWeight())
>> 275 // /(pPreStepPoint->GetWeight());
>> 276 // pPostStepPoint->SetWeight( newWeight );
>> 277 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
>> 278 return pStep;
>> 279 }
>> 280
>> 281 inline G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
>> 282 {
>> 283 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 284 pPostStepPoint->SetCharge( currentCharge );
>> 285 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
>> 286 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
>> 287 pPostStepPoint->SetPolarization( proposedPolarization );
>> 288 // update weight if process cannot do that
>> 289 if (!fSetParentWeightByProcess)
>> 290 pPostStepPoint->SetWeight( theParentWeight );
>> 291
>> 292 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
>> 293 return pStep;
>> 294 }
>> 295
>> 296 inline void G4ParticleChangeForLoss::AddSecondary(G4DynamicParticle* aParticle)
>> 297 {
>> 298 // create track
>> 299 G4Track* aTrack = new G4Track(aParticle, currentTrack->GetGlobalTime(),
>> 300 currentTrack->GetPosition());
>> 301
>> 302 // Touchable handle is copied to keep the pointer
>> 303 aTrack->SetTouchableHandle(currentTrack->GetTouchableHandle());
>> 304
>> 305 // add a secondary
>> 306 G4VParticleChange::AddSecondary(aTrack);
180 } 307 }
181 308
182 #endif 309 #endif
>> 310
183 311