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25 // 22 //
26 // G4ParticleChangeForLoss <<
27 // 23 //
28 // Class description: << 24 // $Id: G4ParticleChangeForLoss.hh,v 1.15 2005/04/15 06:44:25 vnivanch Exp $
>> 25 // GEANT4 tag $Name: geant4-07-01 $
29 // 26 //
30 // Concrete class for ParticleChange for Energ << 27 //
31 << 28 // ------------------------------------------------------------
32 // Author: Hisaya Kurashige, 23 March 1998 << 29 // GEANT 4 class header file
33 // Revision: Vladimir Ivantchenko, 16 January << 30 //
34 // 24 August 2 << 31 //
35 // ------------------------------------------- << 32 // ------------------------------------------------------------
36 #ifndef G4ParticleChangeForLoss_hh << 33 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
37 #define G4ParticleChangeForLoss_hh 1 << 34 //
>> 35 // Modified:
>> 36 // 16.01.04 V.Ivanchenko update for model variant of energy loss
>> 37 // 15.04.05 V.Ivanchenko inline update methods
>> 38 //
>> 39 // ------------------------------------------------------------
>> 40 //
>> 41 // Class Description
>> 42 // This class is a concrete class for ParticleChange for EnergyLoss
>> 43 //
>> 44 #ifndef G4ParticleChangeForLoss_h
>> 45 #define G4ParticleChangeForLoss_h 1
38 46
>> 47 #include "globals.hh"
>> 48 #include "G4ios.hh"
39 #include "G4VParticleChange.hh" 49 #include "G4VParticleChange.hh"
40 #include "G4DynamicParticle.hh" <<
41 50
42 class G4ParticleChangeForLoss final : public G << 51 class G4DynamicParticle;
>> 52
>> 53 class G4ParticleChangeForLoss: public G4VParticleChange
43 { 54 {
44 public: 55 public:
45 << 56 // default constructor
46 G4ParticleChangeForLoss(); 57 G4ParticleChangeForLoss();
47 58
48 ~G4ParticleChangeForLoss() override = defaul << 59 // destructor
49 << 60 virtual ~G4ParticleChangeForLoss();
50 G4ParticleChangeForLoss(const G4ParticleChan <<
51 G4ParticleChangeForLoss& operator=(const G4P <<
52 61
>> 62 // with description
>> 63 // ----------------------------------------------------
53 // --- the following methods are for updatin 64 // --- the following methods are for updating G4Step -----
54 65
55 G4Step* UpdateStepForAlongStep(G4Step* step) << 66 G4Step* UpdateStepForAlongStep(G4Step* Step);
56 G4Step* UpdateStepForPostStep(G4Step* step) << 67 G4Step* UpdateStepForPostStep(G4Step* Step);
57 << 68 // A physics process gives the final state of the particle
58 // Initialize all used properties << 69 // based on information of G4Track
59 inline void InitializeForAlongStep(const G4T << 70
60 inline void InitializeForPostStep(const G4Tr << 71 void InitializeForAlongStep(const G4Track&);
61 << 72 void InitializeForPostStep(const G4Track&);
62 // Get/Set dynamic charge << 73 //Initialize all propoerties by using G4Track information
63 inline G4double GetProposedCharge() const; << 74
64 inline void SetProposedCharge(G4double theCh << 75 void AddSecondary(G4DynamicParticle* aParticle);
65 << 76 // Add next secondary
66 // Get/Set the final kinetic energy of the c << 77
67 inline G4double GetProposedKineticEnergy() c << 78 G4double GetProposedCharge() const;
68 inline void SetProposedKineticEnergy(G4doubl << 79 void SetProposedCharge(G4double theCharge);
69 << 80 // Get/Set theCharge
70 // Get/Propose the MomentumDirection vector: << 81
71 // direction << 82 G4double GetCharge() const;
72 inline const G4ThreeVector& GetProposedMomen << 83 void ProposeCharge(G4double finalCharge);
73 inline void SetProposedMomentumDirection(con << 84 // Get/Propose the final dynamical Charge in G4DynamicParticle
74 inline void ProposeMomentumDirection(const G << 85
75 << 86 G4double GetProposedKineticEnergy() const;
76 inline const G4ThreeVector& GetProposedPolar << 87 void SetProposedKineticEnergy(G4double proposedKinEnergy);
77 inline void ProposePolarization(const G4Thre << 88 // Get/Set the final kinetic energy of the current particle.
78 inline void ProposePolarization(G4double Px, << 89
79 << 90 // G4double GetEnergy() const;
80 void DumpInfo() const final; << 91 // void ProposeEnergy(G4double finalEnergy);
>> 92 // Get/Propose the final kinetic energy of the current particle.
>> 93
>> 94 const G4ThreeVector& GetProposedMomentumDirection() const;
>> 95 void SetProposedMomentumDirection(const G4ThreeVector& dir);
>> 96 const G4ThreeVector& GetMomentumDirection() const;
>> 97 void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz);
>> 98 void ProposeMomentumDirection(const G4ThreeVector& Pfinal);
>> 99 // Get/Propose the MomentumDirection vector: it is the final momentum direction.
>> 100
>> 101 virtual void DumpInfo() const;
>> 102
>> 103 // for Debug
>> 104 virtual G4bool CheckIt(const G4Track&);
>> 105
>> 106 protected:
>> 107 // hide copy constructor and assignment operaor as protected
>> 108 G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right);
>> 109 G4ParticleChangeForLoss & operator=(const G4ParticleChangeForLoss &right);
81 110
82 private: 111 private:
83 112
84 G4double proposedKinEnergy = 0.0; << 113 const G4Track* currentTrack;
85 // The final kinetic energy of the current p << 114 // The pointer to G4Track
86 115
87 G4double currentCharge = 0.0; << 116 G4double proposedKinEnergy;
88 // The final charge of the current parti << 117 // The final kinetic energy of the current particle.
89 118
90 G4ThreeVector proposedMomentumDirection; << 119 G4double currentCharge;
91 // The final momentum direction of the curre << 120 // The final charge of the current particle.
92 121
93 G4ThreeVector proposedPolarization; << 122 G4ThreeVector proposedMomentumDirection;
94 // The final polarization of the current par << 123 // The final momentum direction of the current particle.
95 }; 124 };
96 125
97 // ---------------------- << 126 // ------------------------------------------------------------
98 // Inline methods <<
99 // ---------------------- <<
100 127
101 inline << 128 inline G4double G4ParticleChangeForLoss::GetProposedKineticEnergy() const
102 G4double G4ParticleChangeForLoss::GetProposedK <<
103 { 129 {
104 return proposedKinEnergy; 130 return proposedKinEnergy;
105 } 131 }
106 132
107 inline << 133 inline void G4ParticleChangeForLoss::SetProposedKineticEnergy(G4double energy)
108 void G4ParticleChangeForLoss::SetProposedKinet <<
109 { 134 {
110 proposedKinEnergy = energy; 135 proposedKinEnergy = energy;
111 } 136 }
112 137
113 inline G4double G4ParticleChangeForLoss::GetPr 138 inline G4double G4ParticleChangeForLoss::GetProposedCharge() const
114 { 139 {
115 return currentCharge; 140 return currentCharge;
116 } 141 }
117 142
118 inline << 143 inline G4double G4ParticleChangeForLoss::GetCharge() const
119 void G4ParticleChangeForLoss::SetProposedCharg << 144 {
>> 145 return currentCharge;
>> 146 }
>> 147
>> 148 inline void G4ParticleChangeForLoss::SetProposedCharge(G4double theCharge)
>> 149 {
>> 150 currentCharge = theCharge;
>> 151 }
>> 152
>> 153 inline void G4ParticleChangeForLoss::ProposeCharge(G4double theCharge)
120 { 154 {
121 currentCharge = theCharge; 155 currentCharge = theCharge;
122 } 156 }
123 157
124 inline 158 inline
125 const G4ThreeVector& << 159 const G4ThreeVector& G4ParticleChangeForLoss::GetProposedMomentumDirection() const
126 G4ParticleChangeForLoss::GetProposedMomentumDi <<
127 { 160 {
128 return proposedMomentumDirection; 161 return proposedMomentumDirection;
129 } 162 }
130 163
131 inline 164 inline
132 void G4ParticleChangeForLoss::ProposeMomentumD << 165 const G4ThreeVector& G4ParticleChangeForLoss::GetMomentumDirection() const
133 { 166 {
134 proposedMomentumDirection = dir; << 167 return proposedMomentumDirection;
135 } 168 }
136 169
137 inline 170 inline
138 void << 171 void G4ParticleChangeForLoss::ProposeMomentumDirection(const G4ThreeVector& dir)
139 G4ParticleChangeForLoss::SetProposedMomentumDi <<
140 { 172 {
141 proposedMomentumDirection = dir; 173 proposedMomentumDirection = dir;
142 } 174 }
143 175
144 inline 176 inline
145 const G4ThreeVector& G4ParticleChangeForLoss:: << 177 void G4ParticleChangeForLoss::SetProposedMomentumDirection(const G4ThreeVector& dir)
146 { 178 {
147 return proposedPolarization; << 179 proposedMomentumDirection = dir;
148 } 180 }
149 181
150 inline 182 inline
151 void G4ParticleChangeForLoss::ProposePolarizat << 183 void G4ParticleChangeForLoss::ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
152 { 184 {
153 proposedPolarization = dir; << 185 proposedMomentumDirection.setX(Px);
>> 186 proposedMomentumDirection.setY(Py);
>> 187 proposedMomentumDirection.setZ(Pz);
154 } 188 }
155 189
156 inline void G4ParticleChangeForLoss::ProposePo << 190 inline void G4ParticleChangeForLoss::InitializeForAlongStep(const G4Track& track)
157 <<
158 <<
159 { 191 {
160 proposedPolarization.set(Px, Py, Pz); << 192 theStatusChange = track.GetTrackStatus();
>> 193 theLocalEnergyDeposit = 0.0;
>> 194 InitializeSecondaries(track);
>> 195 theParentWeight = track.GetWeight();
>> 196 proposedKinEnergy = track.GetKineticEnergy();
>> 197 currentCharge = track.GetDynamicParticle()->GetCharge();
161 } 198 }
162 199
163 inline << 200 inline void G4ParticleChangeForLoss::InitializeForPostStep(const G4Track& track)
164 void G4ParticleChangeForLoss::InitializeForAlo <<
165 { 201 {
166 InitializeSecondaries(); << 202 theStatusChange = track.GetTrackStatus();
167 InitializeLocalEnergyDeposit(); << 203 theLocalEnergyDeposit = 0.0;
168 InitializeParentWeight(track); << 204 InitializeSecondaries(track);
169 InitializeStatusChange(track); << 205 theParentWeight = track.GetWeight();
170 proposedKinEnergy = track.GetKineticEnergy() 206 proposedKinEnergy = track.GetKineticEnergy();
171 currentCharge = track.GetDynamicParticle()-> 207 currentCharge = track.GetDynamicParticle()->GetCharge();
>> 208 proposedMomentumDirection = track.GetMomentumDirection();
>> 209 currentTrack = &track;
172 } 210 }
173 211
174 inline << 212 //----------------------------------------------------------------
175 void G4ParticleChangeForLoss::InitializeForPos << 213 // methods for updating G4Step
>> 214 //
>> 215
>> 216 inline G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
176 { 217 {
177 InitializeForAlongStep(track); << 218 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
178 proposedMomentumDirection = track.GetMomentu << 219
179 proposedPolarization = track.GetPolarization << 220 // accumulate change of the kinetic energy
>> 221 G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
>> 222 (proposedKinEnergy - pStep->GetPreStepPoint()->GetKineticEnergy());
>> 223
>> 224 // update kinetic energy and charge
>> 225 if (kinEnergy < DBL_MIN) {
>> 226 theLocalEnergyDeposit += kinEnergy;
>> 227 kinEnergy = 0.0;
>> 228 } else {
>> 229 pPostStepPoint->SetCharge( currentCharge );
>> 230 }
>> 231 pPostStepPoint->SetKineticEnergy( kinEnergy );
>> 232
>> 233 // update weight
>> 234 // this feature is commented out, it should be overwritten in case
>> 235 // if energy loss processes will use biasing
>> 236 // G4double newWeight = theProposedWeight/(pPreStepPoint->GetWeight())*(pPostStepPoint->GetWeight());
>> 237 // pPostStepPoint->SetWeight( newWeight );
>> 238 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
>> 239 return pStep;
>> 240 }
>> 241
>> 242 inline G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
>> 243 {
>> 244 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 245 pPostStepPoint->SetCharge( currentCharge );
>> 246 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
>> 247 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
>> 248 // update weight
>> 249 // this feature is commented out, it should be overwritten in case
>> 250 // if energy loss processes will use biasing
>> 251 // pPostStepPoint->SetWeight( theProposedWeight );
>> 252 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
>> 253 return pStep;
>> 254 }
>> 255
>> 256 inline void G4ParticleChangeForLoss::AddSecondary(G4DynamicParticle* aParticle)
>> 257 {
>> 258 // create track
>> 259 G4Track* aTrack = new G4Track(aParticle, currentTrack->GetGlobalTime(),
>> 260 currentTrack->GetPosition());
>> 261
>> 262 // Touchable handle is copied to keep the pointer
>> 263 aTrack->SetTouchableHandle(currentTrack->GetTouchableHandle());
>> 264
>> 265 // add a secondary
>> 266 G4VParticleChange::AddSecondary(aTrack);
180 } 267 }
181 268
182 #endif 269 #endif
>> 270
183 271