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27 // 27 //
28 //-------------------------------------------- 28 //---------------------------------------------------------------
29 // 29 //
30 // G4FastStep.cc 30 // G4FastStep.cc
31 // 31 //
32 // Description: 32 // Description:
33 // Encapsulates a G4ParticleChange and insu 33 // Encapsulates a G4ParticleChange and insure friendly interface
34 // methods to manage the primary/secondarie << 34 // methods to manage the primary/secondaries final state for
35 // Fast Simulation Models. 35 // Fast Simulation Models.
36 // 36 //
37 // History: 37 // History:
38 // Oct 97: Verderi && MoraDeFreitas - First 38 // Oct 97: Verderi && MoraDeFreitas - First Implementation.
39 // Apr 98: MoraDeFreitas - G4FastStep becom 39 // Apr 98: MoraDeFreitas - G4FastStep becomes the G4ParticleChange
40 // for the Fast Simulatio 40 // for the Fast Simulation Process.
41 // 41 //
42 //-------------------------------------------- 42 //---------------------------------------------------------------
43 43
44 #include "G4FastStep.hh" 44 #include "G4FastStep.hh"
45 45
46 #include "G4DynamicParticle.hh" <<
47 #include "G4Step.hh" <<
48 #include "G4SystemOfUnits.hh" 46 #include "G4SystemOfUnits.hh"
>> 47 #include "G4UnitsTable.hh"
49 #include "G4Track.hh" 48 #include "G4Track.hh"
>> 49 #include "G4Step.hh"
50 #include "G4TrackFastVector.hh" 50 #include "G4TrackFastVector.hh"
51 #include "G4UnitsTable.hh" << 51 #include "G4DynamicParticle.hh"
52 52
53 void G4FastStep::Initialize(const G4FastTrack& 53 void G4FastStep::Initialize(const G4FastTrack& fastTrack)
54 { 54 {
55 // keeps the fastTrack reference 55 // keeps the fastTrack reference
56 fFastTrack = &fastTrack; << 56 fFastTrack=&fastTrack;
57 57
58 // currentTrack will be used to Initialize t 58 // currentTrack will be used to Initialize the other data members
59 const G4Track& currentTrack = *(fFastTrack-> 59 const G4Track& currentTrack = *(fFastTrack->GetPrimaryTrack());
60 60
61 // use base class's method at first 61 // use base class's method at first
62 G4VParticleChange::Initialize(currentTrack); 62 G4VParticleChange::Initialize(currentTrack);
63 63
64 // set Energy/Momentum etc. equal to those o 64 // set Energy/Momentum etc. equal to those of the parent particle
65 const G4DynamicParticle* pParticle = current << 65 const G4DynamicParticle* pParticle = currentTrack.GetDynamicParticle();
66 theEnergyChange = pParticle->GetKineticEnerg << 66 theEnergyChange = pParticle->GetKineticEnergy();
67 theMomentumChange = pParticle->GetMomentumDi << 67 theMomentumChange = pParticle->GetMomentumDirection();
68 thePolarizationChange = pParticle->GetPolari << 68 thePolarizationChange = pParticle->GetPolarization();
69 theProperTimeChange = pParticle->GetProperTi << 69 theProperTimeChange = pParticle->GetProperTime();
70 70
71 // set Position/Time etc. equal to those of 71 // set Position/Time etc. equal to those of the parent track
72 thePositionChange = currentTrack.GetPosition << 72 thePositionChange = currentTrack.GetPosition();
73 theTimeChange = currentTrack.GetGlobalTime() << 73 theTimeChange = currentTrack.GetGlobalTime();
74 74
75 // switch off stepping hit invokation by def 75 // switch off stepping hit invokation by default:
76 theSteppingControlFlag = AvoidHitInvocation; 76 theSteppingControlFlag = AvoidHitInvocation;
77 77
78 // event biasing weigth: 78 // event biasing weigth:
79 theWeightChange = currentTrack.GetWeight(); << 79 theWeightChange = currentTrack.GetWeight();
80 } << 80 }
81 81
82 //---------------------------------------- 82 //----------------------------------------
83 // -- Set the StopAndKilled signal 83 // -- Set the StopAndKilled signal
84 // -- and put kinetic energy to 0.0. in the 84 // -- and put kinetic energy to 0.0. in the
85 // -- G4ParticleChange. 85 // -- G4ParticleChange.
86 //---------------------------------------- 86 //----------------------------------------
87 void G4FastStep::KillPrimaryTrack() 87 void G4FastStep::KillPrimaryTrack()
88 { 88 {
89 ProposePrimaryTrackFinalKineticEnergy(0.); << 89 SetPrimaryTrackFinalKineticEnergy(0.) ;
90 ProposeTrackStatus(fStopAndKill); << 90 ProposeTrackStatus(fStopAndKill) ;
91 } 91 }
92 92
93 //-------------------- 93 //--------------------
94 // 94 //
95 //-------------------- 95 //--------------------
96 void G4FastStep::ProposePrimaryTrackFinalPosit << 96 void
97 << 97 G4FastStep::
>> 98 ProposePrimaryTrackFinalPosition(const G4ThreeVector &position,
>> 99 G4bool localCoordinates)
98 { 100 {
99 // Compute the position coordinate in global 101 // Compute the position coordinate in global
100 // reference system if needed ... 102 // reference system if needed ...
101 G4ThreeVector globalPosition = position; 103 G4ThreeVector globalPosition = position;
102 if (localCoordinates) << 104 if (localCoordinates)
103 globalPosition = fFastTrack->GetInverseAff << 105 globalPosition = fFastTrack->GetInverseAffineTransformation()->
>> 106 TransformPoint(position);
104 // ...and feed the globalPosition: 107 // ...and feed the globalPosition:
105 thePositionChange = globalPosition; 108 thePositionChange = globalPosition;
106 } 109 }
107 110
108 void G4FastStep::SetPrimaryTrackFinalPosition( << 111 void
109 << 112 G4FastStep::
>> 113 SetPrimaryTrackFinalPosition(const G4ThreeVector &position,
>> 114 G4bool localCoordinates)
110 { 115 {
111 ProposePrimaryTrackFinalPosition(position, l 116 ProposePrimaryTrackFinalPosition(position, localCoordinates);
112 } 117 }
113 118
114 //-------------------- 119 //--------------------
115 // 120 //
116 //-------------------- 121 //--------------------
117 void G4FastStep::ProposePrimaryTrackFinalMomen << 122 void
118 << 123 G4FastStep::
>> 124 ProposePrimaryTrackFinalMomentumDirection(const G4ThreeVector &momentum,
>> 125 G4bool localCoordinates)
119 { 126 {
120 // Compute the momentum in global reference 127 // Compute the momentum in global reference
121 // system if needed ... 128 // system if needed ...
122 G4ThreeVector globalMomentum = momentum; 129 G4ThreeVector globalMomentum = momentum;
123 if (localCoordinates) 130 if (localCoordinates)
124 globalMomentum = fFastTrack->GetInverseAff << 131 globalMomentum = fFastTrack->GetInverseAffineTransformation()->
>> 132 TransformAxis(momentum);
125 // ...and feed the globalMomentum (ensuring 133 // ...and feed the globalMomentum (ensuring unitarity)
126 SetMomentumChange(globalMomentum.unit()); 134 SetMomentumChange(globalMomentum.unit());
127 } 135 }
128 136
129 void G4FastStep::SetPrimaryTrackFinalMomentum( << 137 void
130 << 138 G4FastStep::
>> 139 SetPrimaryTrackFinalMomentum(const G4ThreeVector &momentum,
>> 140 G4bool localCoordinates)
131 { 141 {
132 ProposePrimaryTrackFinalMomentumDirection(mo 142 ProposePrimaryTrackFinalMomentumDirection(momentum, localCoordinates);
133 } 143 }
134 144
135 //-------------------- 145 //--------------------
136 // 146 //
137 //-------------------- 147 //--------------------
138 void G4FastStep::ProposePrimaryTrackFinalKinet << 148 void
139 << 149 G4FastStep::
140 << 150 ProposePrimaryTrackFinalKineticEnergyAndDirection(G4double kineticEnergy,
>> 151 const G4ThreeVector &direction,
>> 152 G4bool localCoordinates)
141 { 153 {
142 // Compute global direction if needed... 154 // Compute global direction if needed...
143 G4ThreeVector globalDirection = direction; 155 G4ThreeVector globalDirection = direction;
144 if (localCoordinates) 156 if (localCoordinates)
145 globalDirection = fFastTrack->GetInverseAf << 157 globalDirection =fFastTrack->GetInverseAffineTransformation()->
>> 158 TransformAxis(direction);
146 // ...and feed the globalMomentum (ensuring 159 // ...and feed the globalMomentum (ensuring unitarity)
147 SetMomentumChange(globalDirection.unit()); 160 SetMomentumChange(globalDirection.unit());
148 ProposePrimaryTrackFinalKineticEnergy(kineti << 161 SetPrimaryTrackFinalKineticEnergy(kineticEnergy);
149 } 162 }
150 163
151 void G4FastStep::SetPrimaryTrackFinalKineticEn << 164 void
152 << 165 G4FastStep::
153 << 166 SetPrimaryTrackFinalKineticEnergyAndDirection(G4double kineticEnergy,
>> 167 const G4ThreeVector &direction,
>> 168 G4bool localCoordinates)
154 { 169 {
155 ProposePrimaryTrackFinalKineticEnergyAndDire 170 ProposePrimaryTrackFinalKineticEnergyAndDirection(kineticEnergy, direction, localCoordinates);
156 } 171 }
157 172
158 //-------------------- 173 //--------------------
159 // 174 //
160 //-------------------- 175 //--------------------
161 void G4FastStep::ProposePrimaryTrackFinalPolar << 176 void
162 << 177 G4FastStep::
>> 178 ProposePrimaryTrackFinalPolarization(const G4ThreeVector &polarization,
>> 179 G4bool localCoordinates)
163 { 180 {
164 // Compute polarization in global system if 181 // Compute polarization in global system if needed:
165 G4ThreeVector globalPolarization(polarizatio 182 G4ThreeVector globalPolarization(polarization);
166 if (localCoordinates) 183 if (localCoordinates)
167 globalPolarization = << 184 globalPolarization = fFastTrack->GetInverseAffineTransformation()->
168 fFastTrack->GetInverseAffineTransformati << 185 TransformAxis(globalPolarization);
169 // Feed the particle globalPolarization: 186 // Feed the particle globalPolarization:
170 thePolarizationChange = globalPolarization; 187 thePolarizationChange = globalPolarization;
171 } 188 }
172 189
173 void G4FastStep::SetPrimaryTrackFinalPolarizat << 190 void
174 << 191 G4FastStep::
>> 192 SetPrimaryTrackFinalPolarization(const G4ThreeVector &polarization,
>> 193 G4bool localCoordinates)
175 { 194 {
176 ProposePrimaryTrackFinalPolarization(polariz 195 ProposePrimaryTrackFinalPolarization(polarization, localCoordinates);
177 } 196 }
178 197
179 //-------------------- 198 //--------------------
180 // 199 //
181 //-------------------- 200 //--------------------
182 G4Track* G4FastStep::CreateSecondaryTrack(cons << 201 G4Track* G4FastStep::
183 G4Th << 202 CreateSecondaryTrack(const G4DynamicParticle& dynamics,
184 G4do << 203 G4ThreeVector polarization,
>> 204 G4ThreeVector position,
>> 205 G4double time,
>> 206 G4bool localCoordinates )
185 { 207 {
186 G4DynamicParticle dummyDynamics(dynamics); 208 G4DynamicParticle dummyDynamics(dynamics);
187 << 209
188 // ----------------------------------------- 210 // ------------------------------------------
189 // Add the polarization to the dummyDynamics 211 // Add the polarization to the dummyDynamics:
190 // ----------------------------------------- 212 // ------------------------------------------
191 dummyDynamics.SetPolarization(polarization.x << 213 dummyDynamics.SetPolarization(polarization.x(),
192 << 214 polarization.y(),
>> 215 polarization.z());
>> 216
193 return CreateSecondaryTrack(dummyDynamics, p 217 return CreateSecondaryTrack(dummyDynamics, position, time, localCoordinates);
194 } 218 }
195 219
196 //-------------------- 220 //--------------------
197 // 221 //
198 //-------------------- 222 //--------------------
199 G4Track* G4FastStep::CreateSecondaryTrack(cons << 223 G4Track* G4FastStep::
200 G4do << 224 CreateSecondaryTrack(const G4DynamicParticle& dynamics,
>> 225 G4ThreeVector position,
>> 226 G4double time,
>> 227 G4bool localCoordinates )
201 { 228 {
202 // ---------------------------------------- 229 // ----------------------------------------
203 // Quantities in global coordinates system. 230 // Quantities in global coordinates system.
204 // << 231 //
205 // The allocated globalDynamics is deleted 232 // The allocated globalDynamics is deleted
206 // by the destructor of the G4Track. 233 // by the destructor of the G4Track.
207 // ---------------------------------------- 234 // ----------------------------------------
208 auto globalDynamics = new G4DynamicParticle( << 235 G4DynamicParticle* globalDynamics =
>> 236 new G4DynamicParticle(dynamics);
209 G4ThreeVector globalPosition(position); 237 G4ThreeVector globalPosition(position);
210 << 238
211 // ----------------------------------- 239 // -----------------------------------
212 // Convert to global system if needed: 240 // Convert to global system if needed:
213 // ----------------------------------- 241 // -----------------------------------
214 if (localCoordinates) { << 242 if (localCoordinates)
215 // -- Momentum Direction: << 243 {
216 globalDynamics->SetMomentumDirection( << 244 // -- Momentum Direction:
217 fFastTrack->GetInverseAffineTransformati << 245 globalDynamics->SetMomentumDirection(fFastTrack->
218 globalDynamics->GetMomentumDirection() << 246 GetInverseAffineTransformation()->
219 // -- Polarization: << 247 TransformAxis(globalDynamics->
220 G4ThreeVector globalPolarization; << 248 GetMomentumDirection()));
221 globalPolarization = fFastTrack->GetInvers << 249 // -- Polarization:
222 globalDynamics->GetPolarization()); << 250 G4ThreeVector globalPolarization;
223 globalDynamics->SetPolarization(globalPola << 251 globalPolarization = fFastTrack->GetInverseAffineTransformation()->
224 globalPola << 252 TransformAxis(globalDynamics->GetPolarization());
225 << 253 globalDynamics->SetPolarization(
226 // -- Position: << 254 globalPolarization.x(),
227 globalPosition = fFastTrack->GetInverseAff << 255 globalPolarization.y(),
228 } << 256 globalPolarization.z()
229 << 257 );
>> 258
>> 259 // -- Position:
>> 260 globalPosition = fFastTrack->GetInverseAffineTransformation()->
>> 261 TransformPoint(globalPosition);
>> 262 }
>> 263
230 //------------------------------------- 264 //-------------------------------------
231 // Create the G4Track of the secondary: 265 // Create the G4Track of the secondary:
232 //------------------------------------- 266 //-------------------------------------
233 auto secondary = new G4Track(globalDynamics, << 267 G4Track* secondary = new G4Track(
234 << 268 globalDynamics,
>> 269 time,
>> 270 globalPosition
>> 271 );
>> 272
235 //------------------------------- 273 //-------------------------------
236 // and feed the changes: 274 // and feed the changes:
237 //------------------------------- 275 //-------------------------------
238 AddSecondary(secondary); 276 AddSecondary(secondary);
239 << 277
240 //-------------------------------------- 278 //--------------------------------------
241 // returns the pointer on the secondary: 279 // returns the pointer on the secondary:
242 //-------------------------------------- 280 //--------------------------------------
243 return secondary; 281 return secondary;
244 } 282 }
245 283
246 // G4FastStep should never be Initialized in t 284 // G4FastStep should never be Initialized in this way
247 // but we must define it to avoid warnings. 285 // but we must define it to avoid warnings.
248 void G4FastStep::Initialize(const G4Track&) 286 void G4FastStep::Initialize(const G4Track&)
249 { 287 {
250 G4ExceptionDescription tellWhatIsWrong; << 288 G4ExceptionDescription tellWhatIsWrong;
251 tellWhatIsWrong << "G4FastStep can be initia << 289 tellWhatIsWrong << "G4FastStep can be initialised only through G4FastTrack."
252 G4Exception("G4FastStep::Initialize(const G4 << 290 << G4endl;
253 tellWhatIsWrong); << 291 G4Exception("G4FastStep::Initialize(const G4Track&)",
>> 292 "FastSim005",
>> 293 FatalException,
>> 294 tellWhatIsWrong);
>> 295 }
>> 296
>> 297 G4FastStep::G4FastStep()
>> 298 : G4VParticleChange(),
>> 299 theEnergyChange ( 0.0 ),
>> 300 theTimeChange ( 0.0 ),
>> 301 theProperTimeChange( 0.0 ),
>> 302 fFastTrack ( nullptr ),
>> 303 theWeightChange ( 0.0 )
>> 304 {
>> 305 if (verboseLevel>2)
>> 306 {
>> 307 G4cerr << "G4FastStep::G4FastStep()" << G4endl;
>> 308 }
>> 309 }
>> 310
>> 311 G4FastStep::~G4FastStep()
>> 312 {
>> 313 if (verboseLevel>2)
>> 314 {
>> 315 G4cerr << "G4FastStep::~G4FastStep()" << G4endl;
>> 316 }
>> 317 }
>> 318
>> 319 // copy and assignment operators are implemented as "shallow copy"
>> 320 G4FastStep::G4FastStep(const G4FastStep &right)
>> 321 : G4VParticleChange()
>> 322 {
>> 323 *this = right;
>> 324 }
>> 325
>> 326
>> 327 G4FastStep & G4FastStep::operator=(const G4FastStep &right)
>> 328 {
>> 329 if (this != &right)
>> 330 {
>> 331 G4VParticleChange::operator=(right);
>> 332 theListOfSecondaries = right.theListOfSecondaries;
>> 333 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 334 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 335 theStatusChange = right.theStatusChange;
>> 336 theMomentumChange = right.theMomentumChange;
>> 337 thePolarizationChange = right.thePolarizationChange;
>> 338 thePositionChange = right.thePositionChange;
>> 339 theProperTimeChange = right.theProperTimeChange;
>> 340 theTimeChange = right.theTimeChange;
>> 341 theEnergyChange = right.theEnergyChange;
>> 342 theTrueStepLength = right.theTrueStepLength;
>> 343 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 344 theSteppingControlFlag = right.theSteppingControlFlag;
>> 345 theWeightChange = right.theWeightChange;
>> 346 fFastTrack = right.fFastTrack;
>> 347 }
>> 348 return *this;
>> 349 }
>> 350
>> 351
>> 352
>> 353
>> 354
>> 355 G4bool G4FastStep::operator==(const G4FastStep &right) const
>> 356 {
>> 357 return ((G4VParticleChange *)this == (G4VParticleChange *) &right);
>> 358 }
>> 359
>> 360 G4bool G4FastStep::operator!=(const G4FastStep &right) const
>> 361 {
>> 362 return ((G4VParticleChange *)this != (G4VParticleChange *) &right);
254 } 363 }
255 364
256 //-------------------------------------------- 365 //----------------------------------------------------------------
257 // methods for updating G4Step << 366 // methods for updating G4Step
258 // 367 //
259 368
260 G4Step* G4FastStep::UpdateStepForPostStep(G4St 369 G4Step* G4FastStep::UpdateStepForPostStep(G4Step* pStep)
261 { << 370 {
262 // A physics process always calculates the f 371 // A physics process always calculates the final state of the particle
263 372
264 // Take note that the return type of GetMome 373 // Take note that the return type of GetMomentumChange is a
265 // pointer to G4ParticleMometum. Also it is << 374 // pointer to G4ParticleMometum. Also it is a normalized
266 // momentum vector. 375 // momentum vector.
267 376
268 // G4StepPoint* pPreStepPoint = pStep->Get << 377 // G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
269 G4StepPoint* pPostStepPoint = pStep->GetPost << 378 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
270 G4Track* aTrack = pStep->GetTrack(); << 379 G4Track* aTrack = pStep->GetTrack();
271 // G4double mass = aTrack->GetDynamicPa 380 // G4double mass = aTrack->GetDynamicParticle()->GetMass();
272 << 381
273 // update kinetic energy and momentum direct 382 // update kinetic energy and momentum direction
274 pPostStepPoint->SetMomentumDirection(theMome 383 pPostStepPoint->SetMomentumDirection(theMomentumChange);
275 pPostStepPoint->SetKineticEnergy(theEnergyCh << 384 pPostStepPoint->SetKineticEnergy( theEnergyChange );
276 <<
277 // update polarization <<
278 pPostStepPoint->SetPolarization(thePolarizat <<
279 385
>> 386 // update polarization
>> 387 pPostStepPoint->SetPolarization( thePolarizationChange );
>> 388
280 // update position and time 389 // update position and time
281 pPostStepPoint->SetPosition(thePositionChang << 390 pPostStepPoint->SetPosition( thePositionChange );
282 pPostStepPoint->SetGlobalTime(theTimeChange) << 391 pPostStepPoint->SetGlobalTime( theTimeChange );
283 pPostStepPoint->AddLocalTime(theTimeChange - << 392 pPostStepPoint->AddLocalTime( theTimeChange
284 pPostStepPoint->SetProperTime(theProperTimeC << 393 - aTrack->GetGlobalTime());
>> 394 pPostStepPoint->SetProperTime( theProperTimeChange );
285 395
286 // update weight 396 // update weight
287 pPostStepPoint->SetWeight(theWeightChange); << 397 pPostStepPoint->SetWeight( theWeightChange );
288 398
289 if (debugFlag) CheckIt(*aTrack); 399 if (debugFlag) CheckIt(*aTrack);
290 400
291 // Update the G4Step specific attributes << 401
>> 402 // Update the G4Step specific attributes
292 return UpdateStepInfo(pStep); 403 return UpdateStepInfo(pStep);
293 } 404 }
294 405
295 G4Step* G4FastStep::UpdateStepForAtRest(G4Step 406 G4Step* G4FastStep::UpdateStepForAtRest(G4Step* pStep)
296 { << 407 {
297 // A physics process always calculates the f 408 // A physics process always calculates the final state of the particle
298 409
299 // G4StepPoint* pPreStepPoint = pStep->GetP << 410 // G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
300 G4StepPoint* pPostStepPoint = pStep->GetPost << 411 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
301 G4Track* aTrack = pStep->GetTrack(); << 412 G4Track* aTrack = pStep->GetTrack();
302 // G4double mass = aTrack->GetDynamicPar 413 // G4double mass = aTrack->GetDynamicParticle()->GetMass();
303 << 414
304 // update kinetic energy and momentum direct 415 // update kinetic energy and momentum direction
305 pPostStepPoint->SetMomentumDirection(theMome 416 pPostStepPoint->SetMomentumDirection(theMomentumChange);
306 pPostStepPoint->SetKineticEnergy(theEnergyCh << 417 pPostStepPoint->SetKineticEnergy( theEnergyChange );
307 418
308 // update polarization 419 // update polarization
309 pPostStepPoint->SetPolarization(thePolarizat << 420 pPostStepPoint->SetPolarization( thePolarizationChange );
310 << 421
311 // update position and time 422 // update position and time
312 pPostStepPoint->SetPosition(thePositionChang << 423 pPostStepPoint->SetPosition( thePositionChange );
313 pPostStepPoint->SetGlobalTime(theTimeChange) << 424 pPostStepPoint->SetGlobalTime( theTimeChange );
314 pPostStepPoint->AddLocalTime(theTimeChange - << 425 pPostStepPoint->AddLocalTime( theTimeChange
315 pPostStepPoint->SetProperTime(theProperTimeC << 426 - aTrack->GetGlobalTime());
>> 427 pPostStepPoint->SetProperTime( theProperTimeChange );
316 428
317 // update weight 429 // update weight
318 pPostStepPoint->SetWeight(theWeightChange); << 430 pPostStepPoint->SetWeight( theWeightChange );
319 431
320 if (debugFlag) CheckIt(*aTrack); 432 if (debugFlag) CheckIt(*aTrack);
321 433
322 // Update the G4Step specific attributes << 434 // Update the G4Step specific attributes
323 return UpdateStepInfo(pStep); 435 return UpdateStepInfo(pStep);
324 } 436 }
325 437
326 //-------------------------------------------- 438 //----------------------------------------------------------------
327 // methods for printing messages << 439 // methods for printing messages
328 // 440 //
329 441
330 void G4FastStep::DumpInfo() const 442 void G4FastStep::DumpInfo() const
331 { 443 {
332 // use base-class DumpInfo << 444 // use base-class DumpInfo
333 G4VParticleChange::DumpInfo(); 445 G4VParticleChange::DumpInfo();
334 << 446
335 G4cout << " Position - x (mm) : " < << 447 G4cout << " Position - x (mm) : " << G4BestUnit( thePositionChange.x(), "Length" ) << G4endl;
336 << G4endl; << 448 G4cout << " Position - y (mm) : " << G4BestUnit( thePositionChange.y(), "Length" ) << G4endl;
337 G4cout << " Position - y (mm) : " < << 449 G4cout << " Position - z (mm) : " << G4BestUnit( thePositionChange.z(), "Length" ) << G4endl;
338 << G4endl; << 450 G4cout << " Time (ns) : " << G4BestUnit( theTimeChange, "Time" ) << G4endl;
339 G4cout << " Position - z (mm) : " < << 451 G4cout << " Proper Time (ns) : " << G4BestUnit( theProperTimeChange, "Time" ) << G4endl;
340 << G4endl; << 452 G4int olprc = G4cout.precision(3);
341 G4cout << " Time (ns) : " < <<
342 G4cout << " Proper Time (ns) : " < <<
343 G4long olprc = G4cout.precision(3); <<
344 G4cout << " Momentum Direct - x : " < 453 G4cout << " Momentum Direct - x : " << std::setw(20) << theMomentumChange.x() << G4endl;
345 G4cout << " Momentum Direct - y : " < 454 G4cout << " Momentum Direct - y : " << std::setw(20) << theMomentumChange.y() << G4endl;
346 G4cout << " Momentum Direct - z : " < 455 G4cout << " Momentum Direct - z : " << std::setw(20) << theMomentumChange.z() << G4endl;
347 G4cout.precision(olprc); 456 G4cout.precision(olprc);
348 G4cout << " Kinetic Energy (MeV): " < << 457 G4cout << " Kinetic Energy (MeV): " << G4BestUnit( theEnergyChange, "Energy" ) << G4endl;
349 G4cout.precision(3); 458 G4cout.precision(3);
350 G4cout << " Polarization - x : " < << 459 G4cout << " Polarization - x : " << std::setw(20) << thePolarizationChange.x() << G4endl;
351 << G4endl; << 460 G4cout << " Polarization - y : " << std::setw(20) << thePolarizationChange.y() << G4endl;
352 G4cout << " Polarization - y : " < << 461 G4cout << " Polarization - z : " << std::setw(20) << thePolarizationChange.z() << G4endl;
353 << G4endl; <<
354 G4cout << " Polarization - z : " < <<
355 << G4endl; <<
356 G4cout.precision(olprc); 462 G4cout.precision(olprc);
357 } 463 }
358 464
359 G4bool G4FastStep::CheckIt(const G4Track& aTra 465 G4bool G4FastStep::CheckIt(const G4Track& aTrack)
360 { 466 {
361 // 467 //
362 // In the G4FastStep::CheckIt 468 // In the G4FastStep::CheckIt
363 // We only check a bit 469 // We only check a bit
364 // << 470 //
365 // If the user violates the energy, 471 // If the user violates the energy,
366 // We don't care, we agree. 472 // We don't care, we agree.
367 // 473 //
368 // But for theMomentumDirectionChange, 474 // But for theMomentumDirectionChange,
369 // We do pay attention. 475 // We do pay attention.
370 // And if too large is its range, 476 // And if too large is its range,
371 // We issue an Exception. 477 // We issue an Exception.
372 // 478 //
373 // 479 //
374 // It means, the G4FastStep::CheckIt issues 480 // It means, the G4FastStep::CheckIt issues an exception only for the
375 // theMomentumDirectionChange which should b 481 // theMomentumDirectionChange which should be an unit vector
376 // and it corrects it because it could cause 482 // and it corrects it because it could cause problems for the ulterior
377 // tracking.For the rest, only warning are i 483 // tracking.For the rest, only warning are issued.
378 484
379 G4bool itsOK = true; << 485 G4bool itsOK = true;
380 G4bool exitWithError = false; << 486 G4bool exitWithError = false;
381 G4double accuracy; << 487 G4double accuracy;
382 << 488
383 // Energy should not be larger than the init 489 // Energy should not be larger than the initial value
384 accuracy = (theEnergyChange - aTrack.GetKine << 490 accuracy = ( theEnergyChange - aTrack.GetKineticEnergy())/MeV;
385 if (accuracy > GetAccuracyForWarning()) { << 491 if (accuracy > GetAccuracyForWarning())
386 G4ExceptionDescription ed; << 492 {
387 ed << "The energy becomes larger than the << 493 G4ExceptionDescription ed;
388 << G4endl; << 494 ed << "The energy becomes larger than the initial value, difference = " << accuracy << " MeV" << G4endl;
389 G4Exception("G4FastStep::CheckIt(const G4T << 495 G4Exception("G4FastStep::CheckIt(const G4Track& aTrack)",
390 itsOK = false; << 496 "FastSim006",
391 if (accuracy > GetAccuracyForException()) << 497 JustWarning, ed);
392 exitWithError = true; << 498 itsOK = false;
>> 499 if (accuracy > GetAccuracyForException()) {exitWithError = true;}
393 } 500 }
394 } << 501
395 <<
396 G4bool itsOKforMomentum = true; 502 G4bool itsOKforMomentum = true;
397 if (theEnergyChange > 0.) { << 503 if ( theEnergyChange >0.)
398 accuracy = std::abs(theMomentumChange.mag2 << 504 {
399 if (accuracy > GetAccuracyForWarning()) { << 505 accuracy = std::abs(theMomentumChange.mag2()-1.0);
>> 506 if (accuracy > GetAccuracyForWarning())
>> 507 {
>> 508 G4ExceptionDescription ed;
>> 509 ed << "The Momentum Change is not a unit vector, difference = " << accuracy << G4endl;
>> 510 G4Exception("G4FastStep::CheckIt(const G4Track& aTrack)",
>> 511 "FastSim007",
>> 512 JustWarning, ed);
>> 513 itsOK = itsOKforMomentum = false;
>> 514 if (accuracy > GetAccuracyForException()) {exitWithError = true;}
>> 515 }
>> 516 }
>> 517
>> 518 accuracy = (aTrack.GetGlobalTime()- theTimeChange)/ns;
>> 519 if (accuracy > GetAccuracyForWarning())
>> 520 {
400 G4ExceptionDescription ed; 521 G4ExceptionDescription ed;
401 ed << "The Momentum Change is not a unit << 522 ed << "The global time is getting backward, difference = " << accuracy << " ns" << G4endl;
402 G4Exception("G4FastStep::CheckIt(const G << 523 G4Exception("G4FastStep::CheckIt(const G4Track& aTrack)",
403 itsOK = itsOKforMomentum = false; << 524 "FastSim008",
404 if (accuracy > GetAccuracyForException() << 525 JustWarning, ed);
405 exitWithError = true; << 526 itsOK = false;
406 } <<
407 } 527 }
408 } << 528
409 << 529 accuracy = (aTrack.GetProperTime() - theProperTimeChange )/ns;
410 accuracy = (aTrack.GetGlobalTime() - theTime << 530 if (accuracy > GetAccuracyForWarning())
411 if (accuracy > GetAccuracyForWarning()) { << 531 {
412 G4ExceptionDescription ed; << 532 G4ExceptionDescription ed;
413 ed << "The global time is getting backward << 533 ed << "The proper time is getting backward, difference = " << accuracy << " ns" << G4endl;
414 G4Exception("G4FastStep::CheckIt(const G4T << 534 G4Exception("G4FastStep::CheckIt(const G4Track& aTrack)",
415 itsOK = false; << 535 "FastSim009",
416 } << 536 JustWarning, ed);
417 << 537 itsOK = false;
418 accuracy = (aTrack.GetProperTime() - theProp << 538 }
419 if (accuracy > GetAccuracyForWarning()) { << 539
420 G4ExceptionDescription ed; << 540 if (!itsOK)
421 ed << "The proper time is getting backward << 541 {
422 G4Exception("G4FastStep::CheckIt(const G4T << 542 G4cout << "ERROR - G4FastStep::CheckIt() " << G4endl;
423 itsOK = false; << 543 G4cout << " Pointer : " << this << G4endl ;
424 } << 544 DumpInfo();
425 << 545 }
426 if (!itsOK) { << 546
427 G4cout << "ERROR - G4FastStep::CheckIt() " <<
428 G4cout << " Pointer : " << this << <<
429 DumpInfo(); <<
430 } <<
431 <<
432 // Exit with error 547 // Exit with error
433 if (exitWithError) { << 548 if (exitWithError)
434 G4ExceptionDescription ed; << 549 {
435 ed << "An inaccuracy in G4FastStep is beyo << 550 G4ExceptionDescription ed;
436 G4Exception("G4FastStep::CheckIt(const G4T << 551 ed << "An inaccuracy in G4FastStep is beyond tolerance." << G4endl;
437 } << 552 G4Exception("G4FastStep::CheckIt(const G4Track& aTrack)",
438 << 553 "FastSim010",
439 // correction for Momentum only. << 554 FatalException, ed);
>> 555 }
>> 556
>> 557 //correction for Momentum only.
440 if (!itsOKforMomentum) { 558 if (!itsOKforMomentum) {
441 G4double vmag = theMomentumChange.mag(); 559 G4double vmag = theMomentumChange.mag();
442 theMomentumChange = (1. / vmag) * theMomen << 560 theMomentumChange = (1./vmag)*theMomentumChange;
443 } 561 }
444 << 562
445 itsOK = (itsOK) && G4VParticleChange::CheckI << 563 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
446 return itsOK; 564 return itsOK;
447 } 565 }
448 566