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25 // 25 //
26 // 26 //
27 // 27 //
28 // 28 //
29 //-------------------------------------------- 29 //---------------------------------------------------------------
30 // 30 //
31 // G4FastStep.hh 31 // G4FastStep.hh
32 // 32 //
33 // Description: 33 // Description:
34 // The G4FastStep class insures a friendly 34 // The G4FastStep class insures a friendly interface
35 // to manage the primary/secondaries final 35 // to manage the primary/secondaries final state for
36 // Fast Simulation Models. This includes fi 36 // Fast Simulation Models. This includes final states of parent
37 // particle (normalized direction of the mo 37 // particle (normalized direction of the momentum, energy, etc) and
38 // secondary particles generated by the par 38 // secondary particles generated by the parameterisation.
39 // 39 //
40 // The G4FastStep class acts also as the G4 40 // The G4FastStep class acts also as the G4ParticleChange
41 // for the Fast Simulation Process. So it i 41 // for the Fast Simulation Process. So it inherites from
42 // the G4VParticleChange class and redefine 42 // the G4VParticleChange class and redefines the four virtual
43 // methods : 43 // methods :
44 // 44 //
45 // virtual G4Step* UpdateStepForAtRest(G4S 45 // virtual G4Step* UpdateStepForAtRest(G4Step* Step);
46 // virtual G4Step* UpdateStepForAlongStep( 46 // virtual G4Step* UpdateStepForAlongStep(G4Step* Step);
47 // virtual G4Step* UpdateStepForPostStep(G 47 // virtual G4Step* UpdateStepForPostStep(G4Step* Step);
48 // virtual void Initialize(const G4Track&) 48 // virtual void Initialize(const G4Track&);
49 // 49 //
50 // History: 50 // History:
51 // Oct 97: Verderi && MoraDeFreitas - First 51 // Oct 97: Verderi && MoraDeFreitas - First Implementation.
52 // Dec 97: Verderi - ForceSteppingHitInvoca 52 // Dec 97: Verderi - ForceSteppingHitInvocation(),
53 // Set/GetTotalEnergyDepo 53 // Set/GetTotalEnergyDeposited() methods.
54 // Apr 98: MoraDeFreitas - G4FastStep becom 54 // Apr 98: MoraDeFreitas - G4FastStep becomes the G4ParticleChange
55 // for the Fast Simulatio 55 // for the Fast Simulation Process.
56 // Nov 04: Verderi - Add ProposeXXX methods 56 // Nov 04: Verderi - Add ProposeXXX methods. SetXXX ones are kept
57 // for backward compatibi 57 // for backward compatibility.
58 // 58 //
59 //-------------------------------------------- 59 //---------------------------------------------------------------
60 60
61 #ifndef G4FastStep_h 61 #ifndef G4FastStep_h
62 #define G4FastStep_h 62 #define G4FastStep_h
63 63
64 #include "G4ParticleMomentum.hh" 64 #include "G4ParticleMomentum.hh"
65 #include "G4ThreeVector.hh" 65 #include "G4ThreeVector.hh"
66 #include "G4ios.hh" 66 #include "G4ios.hh"
67 #include "globals.hh" 67 #include "globals.hh"
68 class G4DynamicParticle; 68 class G4DynamicParticle;
69 #include "G4FastTrack.hh" 69 #include "G4FastTrack.hh"
70 #include "G4VParticleChange.hh" 70 #include "G4VParticleChange.hh"
71 71
72 //------------------------------------------- 72 //-------------------------------------------
73 // 73 //
74 // G4FastStep class 74 // G4FastStep class
75 // 75 //
76 //------------------------------------------- 76 //-------------------------------------------
77 77
78 // Class Description: 78 // Class Description:
79 // The final state of the particles after par 79 // The final state of the particles after parameterisation has to be returned through a G4FastStep
80 // reference. This final state is described a 80 // reference. This final state is described as "requests" the tracking will apply after your
81 // parameterisation has been invoked. 81 // parameterisation has been invoked.
82 // 82 //
83 // To facilitate the developers work, changes 83 // To facilitate the developers work, changes of position/normalized direction of the
84 // momentum/polarization can be specified in 84 // momentum/polarization can be specified in the local coordinate system of the envelope or in the
85 // global one. 85 // global one.
86 // The default is local system coordinates. 86 // The default is local system coordinates.
87 // 87 //
88 88
89 class G4FastStep : public G4VParticleChange 89 class G4FastStep : public G4VParticleChange
90 { 90 {
91 public: // Without description 91 public: // Without description
92 //------------------------ 92 //------------------------
93 // Constructor/Destructor 93 // Constructor/Destructor
94 //------------------------ 94 //------------------------
95 G4FastStep() = default; 95 G4FastStep() = default;
96 ~G4FastStep() override = default; 96 ~G4FastStep() override = default;
97 97
98 G4FastStep(const G4FastStep& right) = dele 98 G4FastStep(const G4FastStep& right) = delete;
99 G4FastStep& operator=(const G4FastStep& ri 99 G4FastStep& operator=(const G4FastStep& right) = delete;
100 100
101 // Set the kinetic energy of the primary t 101 // Set the kinetic energy of the primary to zero, and set the "fStopAndKill" signal
102 // used by the stepping. 102 // used by the stepping.
103 void KillPrimaryTrack(); 103 void KillPrimaryTrack();
104 104
105 // -- Methods used to change the position, 105 // -- Methods used to change the position, normalized direction of
106 // the momentum, time etc... of the primar 106 // the momentum, time etc... of the primary.
107 // .. space and time: 107 // .. space and time:
108 108
109 // Set the primary track final position. 109 // Set the primary track final position.
110 void ProposePrimaryTrackFinalPosition(cons 110 void ProposePrimaryTrackFinalPosition(const G4ThreeVector&, G4bool localCoordinates = true);
111 111
112 // Set the primary track final position -- 112 // Set the primary track final position -- maintained for backward compatibility.
113 [[deprecated("use ProposePrimaryTrackFinal 113 [[deprecated("use ProposePrimaryTrackFinalPosition instead")]]
114 void SetPrimaryTrackFinalPosition(const G4 114 void SetPrimaryTrackFinalPosition(const G4ThreeVector&, G4bool localCoordinates = true);
115 115
116 // Set the primary track final time. 116 // Set the primary track final time.
117 void ProposePrimaryTrackFinalTime(G4double 117 void ProposePrimaryTrackFinalTime(G4double);
118 118
119 // Set the primary track final time -- mai 119 // Set the primary track final time -- maintained for backward compatibility.
120 [[deprecated("use ProposePrimaryTrackFinal 120 [[deprecated("use ProposePrimaryTrackFinalTime instead")]]
121 void SetPrimaryTrackFinalTime(G4double); 121 void SetPrimaryTrackFinalTime(G4double);
122 122
123 // Set the primary final track Proper Time 123 // Set the primary final track Proper Time.
124 void ProposePrimaryTrackFinalProperTime(G4 124 void ProposePrimaryTrackFinalProperTime(G4double);
125 125
126 // Set the primary final track Proper Time 126 // Set the primary final track Proper Time -- maintained for backward compatibility.
127 [[deprecated("use ProposePrimaryTrackPrope 127 [[deprecated("use ProposePrimaryTrackProperTime instead")]]
128 void SetPrimaryTrackFinalProperTime(G4doub 128 void SetPrimaryTrackFinalProperTime(G4double);
129 129
130 // .. dynamics: 130 // .. dynamics:
131 131
132 // Be careful: the Track Final Momentum me 132 // Be careful: the Track Final Momentum means the normalized direction
133 // of the momentum! 133 // of the momentum!
134 void ProposePrimaryTrackFinalMomentumDirec 134 void ProposePrimaryTrackFinalMomentumDirection(const G4ThreeVector&,
135 135 G4bool localCoordinates = true);
136 136
137 // Set the primary track final momentum -- 137 // Set the primary track final momentum -- maintained for backward compatibility. Same as
138 // ProposePrimaryTrackMomentumDirection(.. 138 // ProposePrimaryTrackMomentumDirection(...)
139 [[deprecated("use ProposePrimaryTrackMomen 139 [[deprecated("use ProposePrimaryTrackMomentumDirection instead")]]
140 void SetPrimaryTrackFinalMomentum(const G4 140 void SetPrimaryTrackFinalMomentum(const G4ThreeVector&, G4bool localCoordinates = true);
141 141
142 // Set the primary track final kinetic ene 142 // Set the primary track final kinetic energy.
143 void ProposePrimaryTrackFinalKineticEnergy 143 void ProposePrimaryTrackFinalKineticEnergy(G4double);
144 144
145 // Set the primary track final kinetic ene 145 // Set the primary track final kinetic energy-- maintained for backward compatibility.
146 [[deprecated("use ProposePrimaryTrackFinal 146 [[deprecated("use ProposePrimaryTrackFinalKineticEnergy instead")]]
147 void SetPrimaryTrackFinalKineticEnergy(G4d 147 void SetPrimaryTrackFinalKineticEnergy(G4double);
148 148
149 // Set the primary track final kinetic ene 149 // Set the primary track final kinetic energy and direction.
150 void ProposePrimaryTrackFinalKineticEnergy 150 void ProposePrimaryTrackFinalKineticEnergyAndDirection(G4double, const G4ThreeVector&,
151 151 G4bool localCoordinates = true);
152 152
153 // Set the primary track final kinetic ene 153 // Set the primary track final kinetic energy and direction -- maintained for backward
154 // compatibility. 154 // compatibility.
155 [[deprecated("use ProposePrimaryTrackFinal 155 [[deprecated("use ProposePrimaryTrackFinalKineticEnergyAndDirection instead")]]
156 void SetPrimaryTrackFinalKineticEnergyAndD 156 void SetPrimaryTrackFinalKineticEnergyAndDirection(G4double, const G4ThreeVector&,
157 157 G4bool localCoordinates = true);
158 158
159 // Set the primary track final polarizatio 159 // Set the primary track final polarization.
160 void ProposePrimaryTrackFinalPolarization( 160 void ProposePrimaryTrackFinalPolarization(const G4ThreeVector&, G4bool localCoordinates = true);
161 161
162 // Set the primary track final polarizatio 162 // Set the primary track final polarization.
163 [[deprecated("use ProposePrimaryTrackFinal 163 [[deprecated("use ProposePrimaryTrackFinalPolarization instead")]]
164 void SetPrimaryTrackFinalPolarization(cons 164 void SetPrimaryTrackFinalPolarization(const G4ThreeVector&, G4bool localCoordinates = true);
165 165
166 // Set the true path length of the primary 166 // Set the true path length of the primary track during the step.
167 void ProposePrimaryTrackPathLength(G4doubl 167 void ProposePrimaryTrackPathLength(G4double);
168 168
169 // Set the true path length of the primary 169 // Set the true path length of the primary track during the step -- maintained for backward
170 // compatibility. 170 // compatibility.
171 [[deprecated("use ProposePrimaryTrackPathL 171 [[deprecated("use ProposePrimaryTrackPathLength instead")]]
172 void SetPrimaryTrackPathLength(G4double); 172 void SetPrimaryTrackPathLength(G4double);
173 173
174 // Set the weight applied for event biasin 174 // Set the weight applied for event biasing mechanism.
175 void ProposePrimaryTrackFinalEventBiasingW 175 void ProposePrimaryTrackFinalEventBiasingWeight(G4double);
176 176
177 // Set the weight applied for event biasin 177 // Set the weight applied for event biasing mechanism -- kept for backward compatibility.
178 [[deprecated("use ProposePrimaryTrackFinal 178 [[deprecated("use ProposePrimaryTrackFinalEventBiasingWeight instead")]]
179 void SetPrimaryTrackFinalEventBiasingWeigh 179 void SetPrimaryTrackFinalEventBiasingWeight(G4double);
180 180
181 // ------------------------------ 181 // ------------------------------
182 // -- Management of secondaries: 182 // -- Management of secondaries:
183 // ------------------------------ 183 // ------------------------------
184 184
185 // --------------------------------------- 185 // ----------------------------------------------------
186 // -- The creation of secondaries is Done 186 // -- The creation of secondaries is Done in two steps:
187 // -- 1) Give the total number of sec 187 // -- 1) Give the total number of secondaries
188 // -- that the FastStep returns 188 // -- that the FastStep returns
189 // -- to the tracking using: 189 // -- to the tracking using:
190 // -- SetNumberOfSecondaryTracks() 190 // -- SetNumberOfSecondaryTracks()
191 // -- 191 // --
192 // -- 2) Invoke the CreateSecondaryTr 192 // -- 2) Invoke the CreateSecondaryTrack() method
193 // -- to create one secondary at e 193 // -- to create one secondary at each time.
194 // --------------------------------------- 194 // ----------------------------------------------------
195 195
196 // Set the total number of secondaries tha 196 // Set the total number of secondaries that will be created.
197 // -- Total Number of secondaries to be cr 197 // -- Total Number of secondaries to be created,
198 // -- (to be called first) 198 // -- (to be called first)
199 void SetNumberOfSecondaryTracks(G4int); 199 void SetNumberOfSecondaryTracks(G4int);
200 200
201 // Returns the number of secondaries effec 201 // Returns the number of secondaries effectively stored.
202 // -- Number of secondaries effectively st 202 // -- Number of secondaries effectively stored:
203 // -- (incremented at each CreateSecondary 203 // -- (incremented at each CreateSecondaryTrack()
204 // -- call) 204 // -- call)
205 G4int GetNumberOfSecondaryTracks(); 205 G4int GetNumberOfSecondaryTracks();
206 206
207 // -- Create a secondary: the arguments ar 207 // -- Create a secondary: the arguments are:
208 // -- * G4DynamicsParticle: see header 208 // -- * G4DynamicsParticle: see header file, many constructors exist
209 // -- (allow to 209 // -- (allow to set particle type + energy +
210 // -- the normalized direction of momentum 210 // -- the normalized direction of momentum...)
211 // -- * G4ThreeVector : Polarizati 211 // -- * G4ThreeVector : Polarization (not in G4ParticleChange constructor)
212 // -- * G4ThreeVector : Position 212 // -- * G4ThreeVector : Position
213 // -- * G4double : Time 213 // -- * G4double : Time
214 // -- * G4bool : says if Po 214 // -- * G4bool : says if Position/Momentum are given in the
215 // -- local coor 215 // -- local coordinate system (true by default)
216 // -- Returned value: pointer to the track 216 // -- Returned value: pointer to the track created.
217 G4Track* CreateSecondaryTrack(const G4Dyna 217 G4Track* CreateSecondaryTrack(const G4DynamicParticle&, G4ThreeVector, G4ThreeVector, G4double,
218 G4bool local 218 G4bool localCoordinates = true);
219 219
220 //-- Create a secondary: the difference wi 220 //-- Create a secondary: the difference with he above declaration
221 //-- is that the Polarization is not given 221 //-- is that the Polarization is not given and is assumed already set
222 //-- in the G4DynamicParticle. 222 //-- in the G4DynamicParticle.
223 //-- Returned value: pointer to the track 223 //-- Returned value: pointer to the track created
224 G4Track* CreateSecondaryTrack(const G4Dyna 224 G4Track* CreateSecondaryTrack(const G4DynamicParticle&, G4ThreeVector, G4double,
225 G4bool local 225 G4bool localCoordinates = true);
226 226
227 // Returns a pointer on the i-th secondary 227 // Returns a pointer on the i-th secondary track created.
228 G4Track* GetSecondaryTrack(G4int); 228 G4Track* GetSecondaryTrack(G4int);
229 229
230 //---------------------------------------- 230 //------------------------------------------------
231 // 231 //
232 // Total energy deposit in the "fast Ste 232 // Total energy deposit in the "fast Step"
233 // (a default should be provided in futu 233 // (a default should be provided in future,
234 // which can be: 234 // which can be:
235 // delta energy of primary - 235 // delta energy of primary -
236 // energy of the secondaries) 236 // energy of the secondaries)
237 // This allow the user to Store a consis 237 // This allow the user to Store a consistent
238 // information in the G4Trajectory. 238 // information in the G4Trajectory.
239 // 239 //
240 //---------------------------------------- 240 //------------------------------------------------
241 // Set the total energy deposited. 241 // Set the total energy deposited.
242 void ProposeTotalEnergyDeposited(G4double 242 void ProposeTotalEnergyDeposited(G4double anEnergyPart);
243 243
244 // Set the total energy deposited -- kept 244 // Set the total energy deposited -- kept for backward compatibility.
245 // It should be the delta energy of primar 245 // It should be the delta energy of primary less the energy of the secondaries.
246 [[deprecated("use ProposeTotalEnergyDeposi 246 [[deprecated("use ProposeTotalEnergyDeposited instead")]]
247 void SetTotalEnergyDeposited(G4double anEn 247 void SetTotalEnergyDeposited(G4double anEnergyPart);
248 248
249 // Returns the total energy deposited. 249 // Returns the total energy deposited.
250 G4double GetTotalEnergyDeposited() const; 250 G4double GetTotalEnergyDeposited() const;
251 251
252 // Control of the stepping manager Hit inv 252 // Control of the stepping manager Hit invocation.
253 // 253 //
254 // In a usual parameterisation, the contro 254 // In a usual parameterisation, the control of the hits production is under the user
255 // responsability in his G4VFastSimulation 255 // responsability in his G4VFastSimulationModel (he generally produces several hits at once.)
256 // 256 //
257 // However, in the particular case the G4F 257 // However, in the particular case the G4FastSimulation user's model acts as the physics
258 // replacement only (ie replaces all the * 258 // replacement only (ie replaces all the ***DoIt() and leads to the construction of a meaningful
259 // G4Step), the user can delegate to the G 259 // G4Step), the user can delegate to the G4SteppingManager the responsability to invoke
260 // the Hit()method of the current sensitiv 260 // the Hit()method of the current sensitive if any.
261 // 261 //
262 // By default, the G4SteppingManager is as 262 // By default, the G4SteppingManager is asked to NOT invoke this Hit() method when
263 // parameterisation is invoked. 263 // parameterisation is invoked.
264 void ForceSteppingHitInvocation(); 264 void ForceSteppingHitInvocation();
265 265
266 // ======================================= 266 // ===============================================
267 // Stepping interface. 267 // Stepping interface.
268 // ======================================= 268 // ===============================================
269 // --- the following methods are for updat 269 // --- the following methods are for updating G4Step -----
270 // Return the pointer to the G4Step after 270 // Return the pointer to the G4Step after updating the Step information
271 // by using final state information of the 271 // by using final state information of the track given by a Model.
272 // 272 //
273 // The Fast Simulation Mechanism doesn't c 273 // The Fast Simulation Mechanism doesn't change the track's final
274 // state on the AlongDoIt loop, so the def 274 // state on the AlongDoIt loop, so the default one all we need.
275 // virtual G4Step* UpdateStepForAlongStep( 275 // virtual G4Step* UpdateStepForAlongStep(G4Step* Step);
276 276
277 G4Step* UpdateStepForAtRest(G4Step* Step) 277 G4Step* UpdateStepForAtRest(G4Step* Step) override;
278 G4Step* UpdateStepForPostStep(G4Step* Step 278 G4Step* UpdateStepForPostStep(G4Step* Step) override;
279 279
280 // A Model gives the final state of the pa 280 // A Model gives the final state of the particle
281 // based on information of G4FastTrack. So 281 // based on information of G4FastTrack. So the
282 // Initialize method is an interface to th 282 // Initialize method is an interface to the
283 // G4FastSimulationManager to Initialize t 283 // G4FastSimulationManager to Initialize the
284 // G4FastStep. 284 // G4FastStep.
285 285
286 void Initialize(const G4FastTrack&); 286 void Initialize(const G4FastTrack&);
287 287
288 // for Debug 288 // for Debug
289 void DumpInfo() const override; 289 void DumpInfo() const override;
290 G4bool CheckIt(const G4Track&) override; 290 G4bool CheckIt(const G4Track&) override;
291 291
292 private: 292 private:
293 //======================================== 293 //===================================================
294 // Private Internal methods (implementatio 294 // Private Internal methods (implementation).
295 //======================================== 295 //===================================================
296 296
297 // G4FastStep should never be Initialized 297 // G4FastStep should never be Initialized in this way
298 // but we must define it to avoid compiler 298 // but we must define it to avoid compiler warnings.
299 void Initialize(const G4Track&) override; 299 void Initialize(const G4Track&) override;
300 300
301 // -- Utility functions -- 301 // -- Utility functions --
302 //--- methods to keep information of the f 302 //--- methods to keep information of the final state--
303 // IMPORTANT NOTE: Although the name of t 303 // IMPORTANT NOTE: Although the name of the class and methods are
304 // "Change", what it stores (and returns 304 // "Change", what it stores (and returns in get) are the "FINAL"
305 // values of the Position, the normalize 305 // values of the Position, the normalized direction of Momentum,
306 // etc. 306 // etc.
307 307
308 // Set theMomentumChange vector: it is the 308 // Set theMomentumChange vector: it is the final unitary momentum
309 // direction. 309 // direction.
310 void SetMomentumChange(G4double Px, G4doub 310 void SetMomentumChange(G4double Px, G4double Py, G4double Pz);
311 void SetMomentumChange(const G4ThreeVector 311 void SetMomentumChange(const G4ThreeVector& Pfinal);
312 312
313 //======================================== 313 //=====================================================
314 // Data members. 314 // Data members.
315 //======================================== 315 //=====================================================
316 // theMomentumChange is the vector contai 316 // theMomentumChange is the vector containing the final momentum
317 // direction after the invoked process. T 317 // direction after the invoked process. The application of the change
318 // of the momentum direction of the parti 318 // of the momentum direction of the particle is not Done here.
319 // The responsibility to apply the change 319 // The responsibility to apply the change is up the entity
320 // which invoked the process. 320 // which invoked the process.
321 G4ParticleMomentum theMomentumChange; 321 G4ParticleMomentum theMomentumChange;
322 322
323 // The changed (final) polarization of a 323 // The changed (final) polarization of a given particle.
324 G4ThreeVector thePolarizationChange; 324 G4ThreeVector thePolarizationChange;
325 325
326 // The final kinetic energy of the curren 326 // The final kinetic energy of the current particle.
327 G4double theEnergyChange = 0.0; 327 G4double theEnergyChange = 0.0;
328 328
329 // The changed (final) position of a give 329 // The changed (final) position of a given particle.
330 G4ThreeVector thePositionChange; 330 G4ThreeVector thePositionChange;
331 331
332 // The changed (final) global time of a g 332 // The changed (final) global time of a given particle.
333 G4double theTimeChange = 0.0; 333 G4double theTimeChange = 0.0;
334 334
335 // The changed (final) proper time of a g 335 // The changed (final) proper time of a given particle.
336 G4double theProperTimeChange = 0.0; 336 G4double theProperTimeChange = 0.0;
337 337
338 // The reference G4FastTrack 338 // The reference G4FastTrack
339 const G4FastTrack* fFastTrack = nullptr; 339 const G4FastTrack* fFastTrack = nullptr;
340 340
341 // weight for event biasing mechanism: 341 // weight for event biasing mechanism:
342 G4double theWeightChange = 0.0; 342 G4double theWeightChange = 0.0;
343 }; 343 };
344 344
345 //******************************************** 345 //*******************************************************************
346 // 346 //
347 // Inline functions 347 // Inline functions
348 // 348 //
349 //******************************************** 349 //*******************************************************************
350 350
351 #include "G4FastStep.icc" 351 #include "G4FastStep.icc"
352 352
353 #endif 353 #endif
354 354