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25 // 25 //
26 // G4ParticleChangeForLoss <<
27 // 26 //
28 // Class description: << 27 // $Id: G4ParticleChangeForLoss.hh,v 1.18 2006/06/29 21:14:23 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01-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 //
>> 45 // ------------------------------------------------------------
>> 46 //
>> 47 // Class Description
>> 48 // This class is a concrete class for ParticleChange for EnergyLoss
>> 49 //
>> 50 #ifndef G4ParticleChangeForLoss_h
>> 51 #define G4ParticleChangeForLoss_h 1
38 52
>> 53 #include "globals.hh"
>> 54 #include "G4ios.hh"
39 #include "G4VParticleChange.hh" 55 #include "G4VParticleChange.hh"
40 #include "G4DynamicParticle.hh" <<
41 56
42 class G4ParticleChangeForLoss final : public G << 57 class G4DynamicParticle;
>> 58
>> 59 class G4ParticleChangeForLoss: public G4VParticleChange
43 { 60 {
44 public: 61 public:
45 << 62 // default constructor
46 G4ParticleChangeForLoss(); 63 G4ParticleChangeForLoss();
47 64
48 ~G4ParticleChangeForLoss() override = defaul << 65 // destructor
49 << 66 virtual ~G4ParticleChangeForLoss();
50 G4ParticleChangeForLoss(const G4ParticleChan <<
51 G4ParticleChangeForLoss& operator=(const G4P <<
52 67
>> 68 // with description
>> 69 // ----------------------------------------------------
53 // --- the following methods are for updatin 70 // --- the following methods are for updating G4Step -----
54 71
55 G4Step* UpdateStepForAlongStep(G4Step* step) << 72 G4Step* UpdateStepForAlongStep(G4Step* Step);
56 G4Step* UpdateStepForPostStep(G4Step* step) << 73 G4Step* UpdateStepForPostStep(G4Step* Step);
57 << 74 // A physics process gives the final state of the particle
58 // Initialize all used properties << 75 // based on information of G4Track
59 inline void InitializeForAlongStep(const G4T << 76
60 inline void InitializeForPostStep(const G4Tr << 77 void InitializeForAlongStep(const G4Track&);
61 << 78 void InitializeForPostStep(const G4Track&);
62 // Get/Set dynamic charge << 79 //Initialize all propoerties by using G4Track information
63 inline G4double GetProposedCharge() const; << 80
64 inline void SetProposedCharge(G4double theCh << 81 void AddSecondary(G4DynamicParticle* aParticle);
65 << 82 // Add next secondary
66 // Get/Set the final kinetic energy of the c << 83
67 inline G4double GetProposedKineticEnergy() c << 84 G4double GetProposedCharge() const;
68 inline void SetProposedKineticEnergy(G4doubl << 85 void SetProposedCharge(G4double theCharge);
69 << 86 // Get/Set theCharge
70 // Get/Propose the MomentumDirection vector: << 87
71 // direction << 88 G4double GetCharge() const;
72 inline const G4ThreeVector& GetProposedMomen << 89 void ProposeCharge(G4double finalCharge);
73 inline void SetProposedMomentumDirection(con << 90 // Get/Propose the final dynamical Charge in G4DynamicParticle
74 inline void ProposeMomentumDirection(const G << 91
75 << 92 G4double GetProposedKineticEnergy() const;
76 inline const G4ThreeVector& GetProposedPolar << 93 void SetProposedKineticEnergy(G4double proposedKinEnergy);
77 inline void ProposePolarization(const G4Thre << 94 // Get/Set the final kinetic energy of the current particle.
78 inline void ProposePolarization(G4double Px, << 95
79 << 96 const G4ThreeVector& GetProposedMomentumDirection() const;
80 void DumpInfo() const final; << 97 void SetProposedMomentumDirection(const G4ThreeVector& dir);
>> 98 const G4ThreeVector& GetMomentumDirection() const;
>> 99 void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz);
>> 100 void ProposeMomentumDirection(const G4ThreeVector& Pfinal);
>> 101 // Get/Propose the MomentumDirection vector: it is the final momentum direction.
>> 102
>> 103 virtual void DumpInfo() const;
>> 104
>> 105 // for Debug
>> 106 virtual G4bool CheckIt(const G4Track&);
>> 107
>> 108 protected:
>> 109 // hide copy constructor and assignment operaor as protected
>> 110 G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right);
>> 111 G4ParticleChangeForLoss & operator=(const G4ParticleChangeForLoss &right);
81 112
82 private: 113 private:
83 114
84 G4double proposedKinEnergy = 0.0; << 115 const G4Track* currentTrack;
85 // The final kinetic energy of the current p << 116 // The pointer to G4Track
86 117
87 G4double currentCharge = 0.0; << 118 G4double proposedKinEnergy;
88 // The final charge of the current parti << 119 // The final kinetic energy of the current particle.
89 120
90 G4ThreeVector proposedMomentumDirection; << 121 G4double currentCharge;
91 // The final momentum direction of the curre << 122 // The final charge of the current particle.
92 123
93 G4ThreeVector proposedPolarization; << 124 G4ThreeVector proposedMomentumDirection;
94 // The final polarization of the current par << 125 // The final momentum direction of the current particle.
95 }; 126 };
96 127
97 // ---------------------- << 128 // ------------------------------------------------------------
98 // Inline methods <<
99 // ---------------------- <<
100 129
101 inline << 130 inline G4double G4ParticleChangeForLoss::GetProposedKineticEnergy() const
102 G4double G4ParticleChangeForLoss::GetProposedK <<
103 { 131 {
104 return proposedKinEnergy; 132 return proposedKinEnergy;
105 } 133 }
106 134
107 inline << 135 inline void G4ParticleChangeForLoss::SetProposedKineticEnergy(G4double energy)
108 void G4ParticleChangeForLoss::SetProposedKinet <<
109 { 136 {
110 proposedKinEnergy = energy; 137 proposedKinEnergy = energy;
111 } 138 }
112 139
113 inline G4double G4ParticleChangeForLoss::GetPr 140 inline G4double G4ParticleChangeForLoss::GetProposedCharge() const
114 { 141 {
115 return currentCharge; 142 return currentCharge;
116 } 143 }
117 144
118 inline << 145 inline G4double G4ParticleChangeForLoss::GetCharge() const
119 void G4ParticleChangeForLoss::SetProposedCharg << 146 {
>> 147 return currentCharge;
>> 148 }
>> 149
>> 150 inline void G4ParticleChangeForLoss::SetProposedCharge(G4double theCharge)
>> 151 {
>> 152 currentCharge = theCharge;
>> 153 }
>> 154
>> 155 inline void G4ParticleChangeForLoss::ProposeCharge(G4double theCharge)
120 { 156 {
121 currentCharge = theCharge; 157 currentCharge = theCharge;
122 } 158 }
123 159
124 inline 160 inline
125 const G4ThreeVector& << 161 const G4ThreeVector& G4ParticleChangeForLoss::GetProposedMomentumDirection() const
126 G4ParticleChangeForLoss::GetProposedMomentumDi <<
127 { 162 {
128 return proposedMomentumDirection; 163 return proposedMomentumDirection;
129 } 164 }
130 165
131 inline 166 inline
132 void G4ParticleChangeForLoss::ProposeMomentumD << 167 const G4ThreeVector& G4ParticleChangeForLoss::GetMomentumDirection() const
133 { 168 {
134 proposedMomentumDirection = dir; << 169 return proposedMomentumDirection;
135 } 170 }
136 171
137 inline 172 inline
138 void << 173 void G4ParticleChangeForLoss::ProposeMomentumDirection(const G4ThreeVector& dir)
139 G4ParticleChangeForLoss::SetProposedMomentumDi <<
140 { 174 {
141 proposedMomentumDirection = dir; 175 proposedMomentumDirection = dir;
142 } 176 }
143 177
144 inline 178 inline
145 const G4ThreeVector& G4ParticleChangeForLoss:: << 179 void G4ParticleChangeForLoss::SetProposedMomentumDirection(const G4ThreeVector& dir)
146 { 180 {
147 return proposedPolarization; << 181 proposedMomentumDirection = dir;
148 } 182 }
149 183
150 inline 184 inline
151 void G4ParticleChangeForLoss::ProposePolarizat << 185 void G4ParticleChangeForLoss::ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
152 { 186 {
153 proposedPolarization = dir; << 187 proposedMomentumDirection.setX(Px);
>> 188 proposedMomentumDirection.setY(Py);
>> 189 proposedMomentumDirection.setZ(Pz);
154 } 190 }
155 191
156 inline void G4ParticleChangeForLoss::ProposePo << 192 inline void G4ParticleChangeForLoss::InitializeForAlongStep(const G4Track& track)
157 <<
158 <<
159 { 193 {
160 proposedPolarization.set(Px, Py, Pz); << 194 theStatusChange = track.GetTrackStatus();
>> 195 theLocalEnergyDeposit = 0.0;
>> 196 InitializeSecondaries(track);
>> 197 theParentWeight = track.GetWeight();
>> 198 proposedKinEnergy = track.GetKineticEnergy();
>> 199 currentCharge = track.GetDynamicParticle()->GetCharge();
161 } 200 }
162 201
163 inline << 202 inline void G4ParticleChangeForLoss::InitializeForPostStep(const G4Track& track)
164 void G4ParticleChangeForLoss::InitializeForAlo <<
165 { 203 {
166 InitializeSecondaries(); << 204 theStatusChange = track.GetTrackStatus();
167 InitializeLocalEnergyDeposit(); << 205 theLocalEnergyDeposit = 0.0;
168 InitializeParentWeight(track); << 206 InitializeSecondaries(track);
169 InitializeStatusChange(track); << 207 theParentWeight = track.GetWeight();
170 proposedKinEnergy = track.GetKineticEnergy() 208 proposedKinEnergy = track.GetKineticEnergy();
171 currentCharge = track.GetDynamicParticle()-> 209 currentCharge = track.GetDynamicParticle()->GetCharge();
>> 210 proposedMomentumDirection = track.GetMomentumDirection();
>> 211 currentTrack = &track;
172 } 212 }
173 213
174 inline << 214 //----------------------------------------------------------------
175 void G4ParticleChangeForLoss::InitializeForPos << 215 // methods for updating G4Step
>> 216 //
>> 217
>> 218 inline G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
176 { 219 {
177 InitializeForAlongStep(track); << 220 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
178 proposedMomentumDirection = track.GetMomentu << 221
179 proposedPolarization = track.GetPolarization << 222 // accumulate change of the kinetic energy
>> 223 G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
>> 224 (proposedKinEnergy - pStep->GetPreStepPoint()->GetKineticEnergy());
>> 225
>> 226 // update kinetic energy and charge
>> 227 if (kinEnergy < DBL_MIN) {
>> 228 theLocalEnergyDeposit += kinEnergy;
>> 229 kinEnergy = 0.0;
>> 230 } else {
>> 231 pPostStepPoint->SetCharge( currentCharge );
>> 232 }
>> 233 pPostStepPoint->SetKineticEnergy( kinEnergy );
>> 234
>> 235 // update weight
>> 236 // this feature is commented out, it should be overwritten in case
>> 237 // if energy loss processes will use biasing
>> 238 // G4double newWeight = theParentWeight/(pPreStepPoint->GetWeight())*(pPostStepPoint->GetWeight());
>> 239 // pPostStepPoint->SetWeight( newWeight );
>> 240 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
>> 241 return pStep;
>> 242 }
>> 243
>> 244 inline G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
>> 245 {
>> 246 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 247 pPostStepPoint->SetCharge( currentCharge );
>> 248 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
>> 249 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
>> 250 // update weight
>> 251 // this feature is commented out, it should be overwritten in case
>> 252 // if energy loss processes will use biasing
>> 253 pPostStepPoint->SetWeight( theParentWeight );
>> 254 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
>> 255 return pStep;
>> 256 }
>> 257
>> 258 inline void G4ParticleChangeForLoss::AddSecondary(G4DynamicParticle* aParticle)
>> 259 {
>> 260 // create track
>> 261 G4Track* aTrack = new G4Track(aParticle, currentTrack->GetGlobalTime(),
>> 262 currentTrack->GetPosition());
>> 263
>> 264 // Touchable handle is copied to keep the pointer
>> 265 aTrack->SetTouchableHandle(currentTrack->GetTouchableHandle());
>> 266
>> 267 // add a secondary
>> 268 G4VParticleChange::AddSecondary(aTrack);
180 } 269 }
181 270
182 #endif 271 #endif
>> 272
183 273