Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // G4ParticleChange class implementation 26 // G4ParticleChange class implementation 27 // 27 // 28 // Author: Hisaya Kurashige, 23 March 1998 28 // Author: Hisaya Kurashige, 23 March 1998 29 // ------------------------------------------- 29 // -------------------------------------------------------------------- 30 30 31 #include "G4ParticleChange.hh" 31 #include "G4ParticleChange.hh" 32 #include "G4PhysicalConstants.hh" 32 #include "G4PhysicalConstants.hh" 33 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh" 34 #include "G4Track.hh" 34 #include "G4Track.hh" 35 #include "G4Step.hh" 35 #include "G4Step.hh" >> 36 #include "G4TrackFastVector.hh" 36 #include "G4DynamicParticle.hh" 37 #include "G4DynamicParticle.hh" 37 #include "G4ExceptionSeverity.hh" 38 #include "G4ExceptionSeverity.hh" 38 39 39 // ------------------------------------------- 40 // -------------------------------------------------------------------- 40 G4ParticleChange::G4ParticleChange() 41 G4ParticleChange::G4ParticleChange() 41 {} << 42 : G4VParticleChange() >> 43 { >> 44 } >> 45 >> 46 // -------------------------------------------------------------------- >> 47 G4ParticleChange::~G4ParticleChange() >> 48 { >> 49 } >> 50 >> 51 // -------------------------------------------------------------------- >> 52 G4ParticleChange::G4ParticleChange(const G4ParticleChange& right) >> 53 : G4VParticleChange(right) >> 54 { >> 55 theCurrentTrack = right.theCurrentTrack; >> 56 >> 57 theMomentumDirectionChange = right.theMomentumDirectionChange; >> 58 thePolarizationChange = right.thePolarizationChange; >> 59 thePositionChange = right.thePositionChange; >> 60 theGlobalTime0 = right.theGlobalTime0; >> 61 theLocalTime0 = right.theLocalTime0; >> 62 theTimeChange = right.theTimeChange; >> 63 theProperTimeChange = right.theProperTimeChange; >> 64 theEnergyChange = right.theEnergyChange; >> 65 theVelocityChange = right.theVelocityChange; >> 66 isVelocityChanged = true; >> 67 theMassChange = right.theMassChange; >> 68 theChargeChange = right.theChargeChange; >> 69 theMagneticMomentChange = right.theMagneticMomentChange; >> 70 } >> 71 >> 72 // -------------------------------------------------------------------- >> 73 G4ParticleChange& G4ParticleChange::operator=(const G4ParticleChange& right) >> 74 { >> 75 if(this != &right) >> 76 { >> 77 if(theNumberOfSecondaries > 0) >> 78 { >> 79 for(G4int index = 0; index < theNumberOfSecondaries; ++index) >> 80 { >> 81 if((*theListOfSecondaries)[index]) >> 82 delete(*theListOfSecondaries)[index]; >> 83 } >> 84 } >> 85 delete theListOfSecondaries; >> 86 >> 87 theListOfSecondaries = new G4TrackFastVector(); >> 88 theNumberOfSecondaries = right.theNumberOfSecondaries; >> 89 for(G4int index = 0; index < theNumberOfSecondaries; ++index) >> 90 { >> 91 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index])); >> 92 theListOfSecondaries->SetElement(index, newTrack); >> 93 } >> 94 >> 95 theStatusChange = right.theStatusChange; >> 96 theCurrentTrack = right.theCurrentTrack; >> 97 >> 98 theMomentumDirectionChange = right.theMomentumDirectionChange; >> 99 thePolarizationChange = right.thePolarizationChange; >> 100 thePositionChange = right.thePositionChange; >> 101 theGlobalTime0 = right.theGlobalTime0; >> 102 theLocalTime0 = right.theLocalTime0; >> 103 theTimeChange = right.theTimeChange; >> 104 theProperTimeChange = right.theProperTimeChange; >> 105 theEnergyChange = right.theEnergyChange; >> 106 theVelocityChange = right.theVelocityChange; >> 107 isVelocityChanged = true; >> 108 theMassChange = right.theMassChange; >> 109 theChargeChange = right.theChargeChange; >> 110 theMagneticMomentChange = right.theMagneticMomentChange; >> 111 >> 112 theTrueStepLength = right.theTrueStepLength; >> 113 theLocalEnergyDeposit = right.theLocalEnergyDeposit; >> 114 theSteppingControlFlag = right.theSteppingControlFlag; >> 115 } >> 116 return *this; >> 117 } >> 118 >> 119 // -------------------------------------------------------------------- >> 120 G4bool G4ParticleChange::operator==(const G4ParticleChange& right) const >> 121 { >> 122 return ((G4VParticleChange*) this == (G4VParticleChange*) &right); >> 123 } >> 124 >> 125 // -------------------------------------------------------------------- >> 126 G4bool G4ParticleChange::operator!=(const G4ParticleChange& right) const >> 127 { >> 128 return ((G4VParticleChange*) this != (G4VParticleChange*) &right); >> 129 } 42 130 43 // ------------------------------------------- 131 // -------------------------------------------------------------------- 44 void G4ParticleChange::AddSecondary(G4DynamicP 132 void G4ParticleChange::AddSecondary(G4DynamicParticle* aParticle, 45 G4bool IsG 133 G4bool IsGoodForTracking) 46 { 134 { 47 // create track 135 // create track 48 G4Track* aTrack = new G4Track(aParticle, Get 136 G4Track* aTrack = new G4Track(aParticle, GetGlobalTime(), thePositionChange); 49 137 50 // set IsGoodGorTrackingFlag 138 // set IsGoodGorTrackingFlag 51 if(IsGoodForTracking) 139 if(IsGoodForTracking) 52 aTrack->SetGoodForTrackingFlag(); 140 aTrack->SetGoodForTrackingFlag(); 53 141 54 // touchable handle is copied to keep the po 142 // touchable handle is copied to keep the pointer 55 aTrack->SetTouchableHandle(theCurrentTrack-> 143 aTrack->SetTouchableHandle(theCurrentTrack->GetTouchableHandle()); 56 144 57 // add a secondary 145 // add a secondary 58 G4VParticleChange::AddSecondary(aTrack); 146 G4VParticleChange::AddSecondary(aTrack); 59 } 147 } 60 148 61 // ------------------------------------------- 149 // -------------------------------------------------------------------- 62 void G4ParticleChange::AddSecondary(G4DynamicP 150 void G4ParticleChange::AddSecondary(G4DynamicParticle* aParticle, 63 G4ThreeVec 151 G4ThreeVector newPosition, 64 G4bool IsG 152 G4bool IsGoodForTracking) 65 { 153 { 66 // create track 154 // create track 67 G4Track* aTrack = new G4Track(aParticle, Get 155 G4Track* aTrack = new G4Track(aParticle, GetGlobalTime(), newPosition); 68 156 69 // set IsGoodGorTrackingFlag 157 // set IsGoodGorTrackingFlag 70 if(IsGoodForTracking) 158 if(IsGoodForTracking) 71 aTrack->SetGoodForTrackingFlag(); 159 aTrack->SetGoodForTrackingFlag(); 72 160 73 // touchable is a temporary object, so you c 161 // touchable is a temporary object, so you cannot keep the pointer 74 aTrack->SetTouchableHandle(nullptr); 162 aTrack->SetTouchableHandle(nullptr); 75 163 76 // add a secondary 164 // add a secondary 77 G4VParticleChange::AddSecondary(aTrack); 165 G4VParticleChange::AddSecondary(aTrack); 78 } 166 } 79 167 80 // ------------------------------------------- 168 // -------------------------------------------------------------------- 81 void G4ParticleChange::AddSecondary(G4DynamicP 169 void G4ParticleChange::AddSecondary(G4DynamicParticle* aParticle, 82 G4double n 170 G4double newTime, G4bool IsGoodForTracking) 83 { 171 { 84 // create track 172 // create track 85 G4Track* aTrack = new G4Track(aParticle, new 173 G4Track* aTrack = new G4Track(aParticle, newTime, thePositionChange); 86 174 87 // set IsGoodGorTrackingFlag 175 // set IsGoodGorTrackingFlag 88 if(IsGoodForTracking) 176 if(IsGoodForTracking) 89 aTrack->SetGoodForTrackingFlag(); 177 aTrack->SetGoodForTrackingFlag(); 90 178 91 // touchable handle is copied to keep the po 179 // touchable handle is copied to keep the pointer 92 aTrack->SetTouchableHandle(theCurrentTrack-> 180 aTrack->SetTouchableHandle(theCurrentTrack->GetTouchableHandle()); 93 181 94 // add a secondary 182 // add a secondary 95 G4VParticleChange::AddSecondary(aTrack); 183 G4VParticleChange::AddSecondary(aTrack); 96 } 184 } 97 185 98 // ------------------------------------------- 186 // -------------------------------------------------------------------- 99 << 100 void G4ParticleChange::AddSecondary(G4Track* a 187 void G4ParticleChange::AddSecondary(G4Track* aTrack) 101 { 188 { 102 // add a secondary 189 // add a secondary 103 G4VParticleChange::AddSecondary(aTrack); 190 G4VParticleChange::AddSecondary(aTrack); 104 } 191 } 105 192 106 // ------------------------------------------- 193 // -------------------------------------------------------------------- 107 void G4ParticleChange::Initialize(const G4Trac 194 void G4ParticleChange::Initialize(const G4Track& track) 108 { 195 { 109 // use base class's method at first 196 // use base class's method at first 110 G4VParticleChange::Initialize(track); 197 G4VParticleChange::Initialize(track); >> 198 theCurrentTrack = &track; 111 199 112 // set Energy/Momentum etc. equal to those o 200 // set Energy/Momentum etc. equal to those of the parent particle 113 const G4DynamicParticle* pParticle = track.G 201 const G4DynamicParticle* pParticle = track.GetDynamicParticle(); 114 theEnergyChange = pPartic 202 theEnergyChange = pParticle->GetKineticEnergy(); 115 theVelocityChange = track.G 203 theVelocityChange = track.GetVelocity(); 116 isVelocityChanged = false; 204 isVelocityChanged = false; 117 theMomentumDirectionChange = pPartic 205 theMomentumDirectionChange = pParticle->GetMomentumDirection(); 118 thePolarizationChange = pPartic 206 thePolarizationChange = pParticle->GetPolarization(); 119 theProperTimeChange = pPartic 207 theProperTimeChange = pParticle->GetProperTime(); 120 208 121 // set mass/charge/MagneticMoment of Dynamic 209 // set mass/charge/MagneticMoment of DynamicParticle 122 theMassChange = pParticle->GetMass 210 theMassChange = pParticle->GetMass(); 123 theChargeChange = pParticle->GetChar 211 theChargeChange = pParticle->GetCharge(); 124 theMagneticMomentChange = pParticle->GetMagn 212 theMagneticMomentChange = pParticle->GetMagneticMoment(); 125 213 126 // set Position equal to those of the parent 214 // set Position equal to those of the parent track 127 thePositionChange = track.GetPosition(); 215 thePositionChange = track.GetPosition(); 128 216 129 // set TimeChange equal to local time of the 217 // set TimeChange equal to local time of the parent track 130 theTimeChange = theLocalTime0 = track.GetLoc << 218 theTimeChange = track.GetLocalTime(); 131 219 132 // set initial global time of the parent tra << 220 // set initial Local/Global time of the parent track >> 221 theLocalTime0 = track.GetLocalTime(); 133 theGlobalTime0 = track.GetGlobalTime(); 222 theGlobalTime0 = track.GetGlobalTime(); 134 } 223 } 135 224 136 // ------------------------------------------- 225 // -------------------------------------------------------------------- 137 G4Step* G4ParticleChange::UpdateStepForAlongSt 226 G4Step* G4ParticleChange::UpdateStepForAlongStep(G4Step* pStep) 138 { 227 { 139 // A physics process always calculates the f 228 // A physics process always calculates the final state of the 140 // particle relative to the initial state at 229 // particle relative to the initial state at the beginning 141 // of the Step, i.e., based on information o 230 // of the Step, i.e., based on information of G4Track (or 142 // equivalently the PreStepPoint). 231 // equivalently the PreStepPoint). 143 // So, the differences (delta) between these 232 // So, the differences (delta) between these two states have to be 144 // calculated and be accumulated in PostStep 233 // calculated and be accumulated in PostStepPoint 145 234 146 // Take note that the return type of GetMome 235 // Take note that the return type of GetMomentumDirectionChange() is a 147 // pointer to G4ParticleMometum. Also it is 236 // pointer to G4ParticleMometum. Also it is a normalized 148 // momentum vector 237 // momentum vector 149 238 150 const G4StepPoint* pPreStepPoint = pStep->Ge << 239 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint(); 151 G4StepPoint* pPostStepPoint = pStep->GetPost 240 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); >> 241 G4Track* pTrack = pStep->GetTrack(); >> 242 G4double mass = theMassChange; 152 243 153 // set Mass/Charge/MagneticMoment 244 // set Mass/Charge/MagneticMoment 154 pPostStepPoint->SetMass(theMassChange); 245 pPostStepPoint->SetMass(theMassChange); 155 pPostStepPoint->SetCharge(theChargeChange); 246 pPostStepPoint->SetCharge(theChargeChange); 156 pPostStepPoint->SetMagneticMoment(theMagneti 247 pPostStepPoint->SetMagneticMoment(theMagneticMomentChange); 157 248 158 // calculate new kinetic energy 249 // calculate new kinetic energy 159 G4double preEnergy = pPreStepPoint->GetKinet 250 G4double preEnergy = pPreStepPoint->GetKineticEnergy(); 160 G4double energy = 251 G4double energy = 161 pPostStepPoint->GetKineticEnergy() + (theE 252 pPostStepPoint->GetKineticEnergy() + (theEnergyChange - preEnergy); 162 253 163 // update kinetic energy and momentum direct 254 // update kinetic energy and momentum direction 164 if(energy > 0.0) 255 if(energy > 0.0) 165 { 256 { 166 // calculate new momentum 257 // calculate new momentum 167 G4ThreeVector pMomentum = pPostStepPoint-> 258 G4ThreeVector pMomentum = pPostStepPoint->GetMomentum() 168 + (CalcMomentum(theEnergyChange, theMome << 259 + (CalcMomentum(theEnergyChange, theMomentumDirectionChange, mass) 169 theMassChange) - pPreStepPoint->GetM << 260 - pPreStepPoint->GetMomentum()); 170 G4double tMomentum2 = pMomentum.mag2(); << 261 G4double tMomentum = pMomentum.mag(); 171 G4ThreeVector direction(1.0, 0.0, 0.0); 262 G4ThreeVector direction(1.0, 0.0, 0.0); 172 if(tMomentum2 > 0.) << 263 if(tMomentum > 0.) 173 { 264 { 174 direction = pMomentum / std::sqrt(tMomen << 265 G4double inv_Momentum = 1.0 / tMomentum; >> 266 direction = pMomentum * inv_Momentum; 175 } 267 } 176 pPostStepPoint->SetMomentumDirection(direc 268 pPostStepPoint->SetMomentumDirection(direction); 177 pPostStepPoint->SetKineticEnergy(energy); 269 pPostStepPoint->SetKineticEnergy(energy); 178 << 179 // if velocity is not set it should be rec << 180 // << 181 if(!isVelocityChanged) << 182 { << 183 if (theMassChange > 0.0) << 184 { << 185 theVelocityChange = CLHEP::c_light * << 186 std::sqrt(energy*(energy + 2*theMassChange << 187 } << 188 else << 189 { << 190 // zero mass particle << 191 theVelocityChange = CLHEP::c_light; << 192 // optical photon case << 193 if(theCurrentTrack->GetParticleDefinition()- << 194 { << 195 G4Track* pTrack = pStep->GetTrack(); << 196 G4double e = pTrack->GetKineticEnerg << 197 pTrack->SetKineticEnergy(energy); << 198 theVelocityChange = pTrack->Calculat << 199 pTrack->SetKineticEnergy(e); << 200 } << 201 } << 202 } << 203 pPostStepPoint->SetVelocity(theVelocityCha << 204 } 270 } 205 else 271 else 206 { 272 { 207 // stop case 273 // stop case >> 274 // pPostStepPoint->SetMomentumDirection(G4ThreeVector(1., 0., 0.)); 208 pPostStepPoint->SetKineticEnergy(0.0); 275 pPostStepPoint->SetKineticEnergy(0.0); 209 pPostStepPoint->SetVelocity(0.0); << 210 } 276 } >> 277 // calculate velocity >> 278 if(!isVelocityChanged) >> 279 { >> 280 if(energy > 0.0) >> 281 { >> 282 pTrack->SetKineticEnergy(energy); >> 283 theVelocityChange = pTrack->CalculateVelocity(); >> 284 pTrack->SetKineticEnergy(preEnergy); >> 285 } >> 286 else if(theMassChange > 0.0) >> 287 { >> 288 theVelocityChange = 0.0; >> 289 } >> 290 } >> 291 pPostStepPoint->SetVelocity(theVelocityChange); 211 292 212 // update polarization 293 // update polarization 213 pPostStepPoint->AddPolarization(thePolarizat 294 pPostStepPoint->AddPolarization(thePolarizationChange - 214 pPreStepPoin 295 pPreStepPoint->GetPolarization()); 215 296 216 // update position and time 297 // update position and time 217 pPostStepPoint->AddPosition(thePositionChang 298 pPostStepPoint->AddPosition(thePositionChange - pPreStepPoint->GetPosition()); 218 pPostStepPoint->AddGlobalTime(theTimeChange 299 pPostStepPoint->AddGlobalTime(theTimeChange - theLocalTime0); 219 pPostStepPoint->AddLocalTime(theTimeChange - 300 pPostStepPoint->AddLocalTime(theTimeChange - theLocalTime0); 220 pPostStepPoint->AddProperTime(theProperTimeC 301 pPostStepPoint->AddProperTime(theProperTimeChange - 221 pPreStepPoint- 302 pPreStepPoint->GetProperTime()); 222 303 223 if(isParentWeightProposed) 304 if(isParentWeightProposed) 224 { 305 { 225 pPostStepPoint->SetWeight(theParentWeight) 306 pPostStepPoint->SetWeight(theParentWeight); 226 } 307 } 227 308 228 #ifdef G4VERBOSE 309 #ifdef G4VERBOSE 229 if(debugFlag) { CheckIt( *theCurrentTrack ); << 310 G4Track* aTrack = pStep->GetTrack(); >> 311 if(debugFlag) { CheckIt(*aTrack); } 230 #endif 312 #endif 231 313 232 // update the G4Step specific attributes 314 // update the G4Step specific attributes 233 return UpdateStepInfo(pStep); 315 return UpdateStepInfo(pStep); 234 } 316 } 235 317 236 // ------------------------------------------- 318 // -------------------------------------------------------------------- 237 G4Step* G4ParticleChange::UpdateStepForPostSte 319 G4Step* G4ParticleChange::UpdateStepForPostStep(G4Step* pStep) 238 { 320 { 239 // A physics process always calculates the f 321 // A physics process always calculates the final state of the particle 240 322 241 // Take note that the return type of GetMome 323 // Take note that the return type of GetMomentumChange() is a 242 // pointer to G4ParticleMometum. Also it is 324 // pointer to G4ParticleMometum. Also it is a normalized 243 // momentum vector 325 // momentum vector 244 326 245 G4StepPoint* pPostStepPoint = pStep->GetPost 327 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); 246 G4Track* pTrack = pStep->GetTrac 328 G4Track* pTrack = pStep->GetTrack(); 247 329 248 // set Mass/Charge 330 // set Mass/Charge 249 pPostStepPoint->SetMass(theMassChange); 331 pPostStepPoint->SetMass(theMassChange); 250 pPostStepPoint->SetCharge(theChargeChange); 332 pPostStepPoint->SetCharge(theChargeChange); 251 pPostStepPoint->SetMagneticMoment(theMagneti 333 pPostStepPoint->SetMagneticMoment(theMagneticMomentChange); 252 334 253 // update kinetic energy and momentum direct 335 // update kinetic energy and momentum direction 254 pPostStepPoint->SetMomentumDirection(theMome 336 pPostStepPoint->SetMomentumDirection(theMomentumDirectionChange); >> 337 pPostStepPoint->SetKineticEnergy(theEnergyChange); 255 338 256 // calculate velocity 339 // calculate velocity 257 if(theEnergyChange > 0.0) << 340 pTrack->SetKineticEnergy(theEnergyChange); >> 341 if(!isVelocityChanged) 258 { 342 { 259 pPostStepPoint->SetKineticEnergy(theEnergy << 343 if(theEnergyChange > 0.0) 260 pTrack->SetKineticEnergy(theEnergyChange); << 261 if(!isVelocityChanged) << 262 { 344 { 263 theVelocityChange = pTrack->CalculateVel 345 theVelocityChange = pTrack->CalculateVelocity(); 264 } 346 } 265 pPostStepPoint->SetVelocity(theVelocityCha << 347 else if(theMassChange > 0.0) 266 } << 348 { 267 else << 349 theVelocityChange = 0.0; 268 { << 350 } 269 pPostStepPoint->SetKineticEnergy(0.0); << 270 pPostStepPoint->SetVelocity(0.0); << 271 } 351 } >> 352 pPostStepPoint->SetVelocity(theVelocityChange); 272 353 273 // update polarization 354 // update polarization 274 pPostStepPoint->SetPolarization(thePolarizat 355 pPostStepPoint->SetPolarization(thePolarizationChange); 275 356 276 // update position and time 357 // update position and time 277 pPostStepPoint->SetPosition(thePositionChang 358 pPostStepPoint->SetPosition(thePositionChange); 278 pPostStepPoint->AddGlobalTime(theTimeChange 359 pPostStepPoint->AddGlobalTime(theTimeChange - theLocalTime0); 279 pPostStepPoint->SetLocalTime(theTimeChange); 360 pPostStepPoint->SetLocalTime(theTimeChange); 280 pPostStepPoint->SetProperTime(theProperTimeC 361 pPostStepPoint->SetProperTime(theProperTimeChange); 281 362 282 if(isParentWeightProposed) 363 if(isParentWeightProposed) 283 { 364 { 284 pPostStepPoint->SetWeight(theParentWeight) 365 pPostStepPoint->SetWeight(theParentWeight); 285 } 366 } 286 367 287 #ifdef G4VERBOSE 368 #ifdef G4VERBOSE 288 if(debugFlag) { CheckIt( *theCurrentTrack ); << 369 G4Track* aTrack = pStep->GetTrack(); >> 370 if(debugFlag) { CheckIt(*aTrack); } 289 #endif 371 #endif 290 372 291 // update the G4Step specific attributes 373 // update the G4Step specific attributes 292 return UpdateStepInfo(pStep); 374 return UpdateStepInfo(pStep); 293 } 375 } 294 376 295 // ------------------------------------------- 377 // -------------------------------------------------------------------- 296 G4Step* G4ParticleChange::UpdateStepForAtRest( 378 G4Step* G4ParticleChange::UpdateStepForAtRest(G4Step* pStep) 297 { 379 { 298 // A physics process always calculates the f 380 // A physics process always calculates the final state of the particle 299 381 300 G4StepPoint* pPostStepPoint = pStep->GetPost 382 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); 301 383 302 // set Mass/Charge 384 // set Mass/Charge 303 pPostStepPoint->SetMass(theMassChange); 385 pPostStepPoint->SetMass(theMassChange); 304 pPostStepPoint->SetCharge(theChargeChange); 386 pPostStepPoint->SetCharge(theChargeChange); 305 pPostStepPoint->SetMagneticMoment(theMagneti 387 pPostStepPoint->SetMagneticMoment(theMagneticMomentChange); 306 388 307 // update kinetic energy and momentum direct 389 // update kinetic energy and momentum direction 308 pPostStepPoint->SetMomentumDirection(theMome 390 pPostStepPoint->SetMomentumDirection(theMomentumDirectionChange); 309 pPostStepPoint->SetKineticEnergy(theEnergyCh 391 pPostStepPoint->SetKineticEnergy(theEnergyChange); 310 if(!isVelocityChanged) 392 if(!isVelocityChanged) 311 theVelocityChange = theCurrentTrack->Calcu << 393 theVelocityChange = pStep->GetTrack()->CalculateVelocity(); 312 pPostStepPoint->SetVelocity(theVelocityChang 394 pPostStepPoint->SetVelocity(theVelocityChange); 313 395 314 // update polarization 396 // update polarization 315 pPostStepPoint->SetPolarization(thePolarizat 397 pPostStepPoint->SetPolarization(thePolarizationChange); 316 398 317 // update position and time 399 // update position and time 318 pPostStepPoint->SetPosition(thePositionChang 400 pPostStepPoint->SetPosition(thePositionChange); 319 pPostStepPoint->AddGlobalTime(theTimeChange 401 pPostStepPoint->AddGlobalTime(theTimeChange - theLocalTime0); 320 pPostStepPoint->SetLocalTime(theTimeChange); 402 pPostStepPoint->SetLocalTime(theTimeChange); 321 pPostStepPoint->SetProperTime(theProperTimeC 403 pPostStepPoint->SetProperTime(theProperTimeChange); 322 404 323 if(isParentWeightProposed) 405 if(isParentWeightProposed) 324 { 406 { 325 pPostStepPoint->SetWeight(theParentWeight) 407 pPostStepPoint->SetWeight(theParentWeight); 326 } 408 } 327 409 328 #ifdef G4VERBOSE 410 #ifdef G4VERBOSE 329 if(debugFlag) { CheckIt( *theCurrentTrack ); << 411 G4Track* aTrack = pStep->GetTrack(); >> 412 if(debugFlag) { CheckIt(*aTrack); } 330 #endif 413 #endif 331 414 332 // update the G4Step specific attributes 415 // update the G4Step specific attributes 333 return UpdateStepInfo(pStep); 416 return UpdateStepInfo(pStep); 334 } 417 } 335 418 336 // ------------------------------------------- 419 // -------------------------------------------------------------------- 337 void G4ParticleChange::DumpInfo() const 420 void G4ParticleChange::DumpInfo() const 338 { 421 { 339 // use base-class DumpInfo 422 // use base-class DumpInfo 340 G4VParticleChange::DumpInfo(); 423 G4VParticleChange::DumpInfo(); 341 424 342 G4long oldprc = G4cout.precision(8); << 425 G4int oldprc = G4cout.precision(3); 343 426 344 G4cout << " Mass (GeV) : " < << 427 G4cout << " Mass (GeV) : " << std::setw(20) << theMassChange / GeV 345 << G4endl; 428 << G4endl; 346 G4cout << " Charge (eplus) : " < << 429 G4cout << " Charge (eplus) : " << std::setw(20) 347 << theChargeChange / eplus << G4endl; 430 << theChargeChange / eplus << G4endl; 348 G4cout << " MagneticMoment : " < << 431 G4cout << " MagneticMoment : " << std::setw(20) 349 << theMagneticMomentChange << G4endl; 432 << theMagneticMomentChange << G4endl; 350 G4cout << " = : " < << 433 G4cout << " : = " << std::setw(20) 351 << theMagneticMomentChange 434 << theMagneticMomentChange 352 * 2. * theMassChange / c_squared / 435 * 2. * theMassChange / c_squared / eplus / hbar_Planck 353 << "*[e hbar]/[2 m]" << G4endl; 436 << "*[e hbar]/[2 m]" << G4endl; 354 G4cout << " Position - x (mm) : " < 437 G4cout << " Position - x (mm) : " << std::setw(20) 355 << thePositionChange.x() / mm << G4en 438 << thePositionChange.x() / mm << G4endl; 356 G4cout << " Position - y (mm) : " < 439 G4cout << " Position - y (mm) : " << std::setw(20) 357 << thePositionChange.y() / mm << G4en 440 << thePositionChange.y() / mm << G4endl; 358 G4cout << " Position - z (mm) : " < 441 G4cout << " Position - z (mm) : " << std::setw(20) 359 << thePositionChange.z() / mm << G4en 442 << thePositionChange.z() / mm << G4endl; 360 G4cout << " Time (ns) : " < 443 G4cout << " Time (ns) : " << std::setw(20) 361 << theTimeChange / ns << G4endl; 444 << theTimeChange / ns << G4endl; 362 G4cout << " Proper Time (ns) : " < 445 G4cout << " Proper Time (ns) : " << std::setw(20) 363 << theProperTimeChange / ns << G4endl 446 << theProperTimeChange / ns << G4endl; 364 G4cout << " Momentum Direct - x : " < 447 G4cout << " Momentum Direct - x : " << std::setw(20) 365 << theMomentumDirectionChange.x() << 448 << theMomentumDirectionChange.x() << G4endl; 366 G4cout << " Momentum Direct - y : " < 449 G4cout << " Momentum Direct - y : " << std::setw(20) 367 << theMomentumDirectionChange.y() << 450 << theMomentumDirectionChange.y() << G4endl; 368 G4cout << " Momentum Direct - z : " < 451 G4cout << " Momentum Direct - z : " << std::setw(20) 369 << theMomentumDirectionChange.z() << 452 << theMomentumDirectionChange.z() << G4endl; 370 G4cout << " Kinetic Energy (MeV): " < 453 G4cout << " Kinetic Energy (MeV): " << std::setw(20) 371 << theEnergyChange / MeV << G4endl; 454 << theEnergyChange / MeV << G4endl; 372 G4cout << " Velocity (/c) : " < << 455 G4cout << " Velocity (/c): " << std::setw(20) 373 << theVelocityChange / c_light << G4e 456 << theVelocityChange / c_light << G4endl; 374 G4cout << " Polarization - x : " < 457 G4cout << " Polarization - x : " << std::setw(20) 375 << thePolarizationChange.x() << G4end 458 << thePolarizationChange.x() << G4endl; 376 G4cout << " Polarization - y : " < 459 G4cout << " Polarization - y : " << std::setw(20) 377 << thePolarizationChange.y() << G4end 460 << thePolarizationChange.y() << G4endl; 378 G4cout << " Polarization - z : " < 461 G4cout << " Polarization - z : " << std::setw(20) 379 << thePolarizationChange.z() << G4end 462 << thePolarizationChange.z() << G4endl; 380 G4cout.precision(oldprc); 463 G4cout.precision(oldprc); >> 464 } >> 465 >> 466 // -------------------------------------------------------------------- >> 467 G4bool G4ParticleChange::CheckIt(const G4Track& aTrack) >> 468 { >> 469 G4bool exitWithError = false; >> 470 G4double accuracy; >> 471 static G4ThreadLocal G4int nError = 0; >> 472 #ifdef G4VERBOSE >> 473 const G4int maxError = 30; >> 474 #endif >> 475 >> 476 // no check in case of "fStopAndKill" >> 477 if(GetTrackStatus() == fStopAndKill) >> 478 return G4VParticleChange::CheckIt(aTrack); >> 479 >> 480 // MomentumDirection should be unit vector >> 481 G4bool itsOKforMomentum = true; >> 482 if(theEnergyChange > 0.) >> 483 { >> 484 accuracy = std::fabs(theMomentumDirectionChange.mag2() - 1.0); >> 485 if(accuracy > accuracyForWarning) >> 486 { >> 487 itsOKforMomentum = false; >> 488 nError += 1; >> 489 exitWithError = exitWithError || (accuracy > accuracyForException); >> 490 #ifdef G4VERBOSE >> 491 if(nError < maxError) >> 492 { >> 493 G4cout << " G4ParticleChange::CheckIt : "; >> 494 G4cout << "the Momentum Change is not unit vector !!" >> 495 << " Difference: " << accuracy << G4endl; >> 496 G4cout << aTrack.GetDefinition()->GetParticleName() >> 497 << " E=" << aTrack.GetKineticEnergy() / MeV >> 498 << " pos=" << aTrack.GetPosition().x() / m << ", " >> 499 << aTrack.GetPosition().y() / m << ", " >> 500 << aTrack.GetPosition().z() / m << G4endl; >> 501 } >> 502 #endif >> 503 } >> 504 } >> 505 >> 506 // both global and proper time should not go back >> 507 G4bool itsOKforGlobalTime = true; >> 508 accuracy = (aTrack.GetLocalTime() - theTimeChange) / ns; >> 509 if(accuracy > accuracyForWarning) >> 510 { >> 511 itsOKforGlobalTime = false; >> 512 nError += 1; >> 513 exitWithError = exitWithError || (accuracy > accuracyForException); >> 514 #ifdef G4VERBOSE >> 515 if(nError < maxError) >> 516 { >> 517 G4cout << " G4ParticleChange::CheckIt : "; >> 518 G4cout << "the local time goes back !!" >> 519 << " Difference: " << accuracy << "[ns] " << G4endl; >> 520 G4cout << aTrack.GetDefinition()->GetParticleName() >> 521 << " E=" << aTrack.GetKineticEnergy() / MeV >> 522 << " pos=" << aTrack.GetPosition().x() / m << ", " >> 523 << aTrack.GetPosition().y() / m << ", " >> 524 << aTrack.GetPosition().z() / m >> 525 << " global time=" << aTrack.GetGlobalTime() / ns >> 526 << " local time=" << aTrack.GetLocalTime() / ns >> 527 << " proper time=" << aTrack.GetProperTime() / ns << G4endl; >> 528 } >> 529 #endif >> 530 } >> 531 >> 532 G4bool itsOKforProperTime = true; >> 533 accuracy = (aTrack.GetProperTime() - theProperTimeChange) / ns; >> 534 if(accuracy > accuracyForWarning) >> 535 { >> 536 itsOKforProperTime = false; >> 537 nError += 1; >> 538 exitWithError = exitWithError || (accuracy > accuracyForException); >> 539 #ifdef G4VERBOSE >> 540 if(nError < maxError) >> 541 { >> 542 G4cout << " G4ParticleChange::CheckIt : "; >> 543 G4cout << "the proper time goes back !!" >> 544 << " Difference: " << accuracy << "[ns] " << G4endl; >> 545 G4cout << aTrack.GetDefinition()->GetParticleName() >> 546 << " E=" << aTrack.GetKineticEnergy() / MeV >> 547 << " pos=" << aTrack.GetPosition().x() / m << ", " >> 548 << aTrack.GetPosition().y() / m << ", " >> 549 << aTrack.GetPosition().z() / m >> 550 << " global time=" << aTrack.GetGlobalTime() / ns >> 551 << " local time=" << aTrack.GetLocalTime() / ns >> 552 << " proper time=" << aTrack.GetProperTime() / ns << G4endl; >> 553 } >> 554 #endif >> 555 } >> 556 >> 557 // kinetic Energy should not be negative >> 558 G4bool itsOKforEnergy = true; >> 559 accuracy = -1.0 * theEnergyChange / MeV; >> 560 if(accuracy > accuracyForWarning) >> 561 { >> 562 itsOKforEnergy = false; >> 563 nError += 1; >> 564 exitWithError = exitWithError || (accuracy > accuracyForException); >> 565 #ifdef G4VERBOSE >> 566 if(nError < maxError) >> 567 { >> 568 G4cout << " G4ParticleChange::CheckIt : "; >> 569 G4cout << "the kinetic energy is negative !!" >> 570 << " Difference: " << accuracy << "[MeV] " << G4endl; >> 571 G4cout << aTrack.GetDefinition()->GetParticleName() >> 572 << " E=" << aTrack.GetKineticEnergy() / MeV >> 573 << " pos=" << aTrack.GetPosition().x() / m << ", " >> 574 << aTrack.GetPosition().y() / m << ", " >> 575 << aTrack.GetPosition().z() / m << G4endl; >> 576 } >> 577 #endif >> 578 } >> 579 >> 580 // velocity should not be less than c_light >> 581 G4bool itsOKforVelocity = true; >> 582 if(theVelocityChange < 0.) >> 583 { >> 584 itsOKforVelocity = false; >> 585 nError += 1; >> 586 exitWithError = true; >> 587 #ifdef G4VERBOSE >> 588 if(nError < maxError) >> 589 { >> 590 G4cout << " G4ParticleChange::CheckIt : "; >> 591 G4cout << "the velocity is negative !!" >> 592 << " Velocity: " << theVelocityChange / c_light << G4endl; >> 593 G4cout << aTrack.GetDefinition()->GetParticleName() >> 594 << " E=" << aTrack.GetKineticEnergy() / MeV >> 595 << " pos=" << aTrack.GetPosition().x() / m << ", " >> 596 << aTrack.GetPosition().y() / m << ", " >> 597 << aTrack.GetPosition().z() / m << G4endl; >> 598 } >> 599 #endif >> 600 } >> 601 >> 602 accuracy = theVelocityChange / c_light - 1.0; >> 603 if(accuracy > accuracyForWarning) >> 604 { >> 605 itsOKforVelocity = false; >> 606 nError += 1; >> 607 exitWithError = exitWithError || (accuracy > accuracyForException); >> 608 #ifdef G4VERBOSE >> 609 if(nError < maxError) >> 610 { >> 611 G4cout << " G4ParticleChange::CheckIt : "; >> 612 G4cout << "the velocity is greater than c_light !!" << G4endl; >> 613 G4cout << " Velocity: " << theVelocityChange / c_light << G4endl; >> 614 G4cout << aTrack.GetDefinition()->GetParticleName() >> 615 << " E=" << aTrack.GetKineticEnergy() / MeV >> 616 << " pos=" << aTrack.GetPosition().x() / m << ", " >> 617 << aTrack.GetPosition().y() / m << ", " >> 618 << aTrack.GetPosition().z() / m << G4endl; >> 619 } >> 620 #endif >> 621 } >> 622 >> 623 G4bool itsOK = itsOKforMomentum && itsOKforEnergy && itsOKforVelocity && >> 624 itsOKforProperTime && itsOKforGlobalTime; >> 625 // dump out information of this particle change >> 626 #ifdef G4VERBOSE >> 627 if(!itsOK) >> 628 { >> 629 DumpInfo(); >> 630 } >> 631 #endif >> 632 >> 633 // Exit with error >> 634 if(exitWithError) >> 635 { >> 636 G4Exception("G4ParticleChange::CheckIt()", "TRACK003", EventMustBeAborted, >> 637 "momentum, energy, and/or time was illegal"); >> 638 } >> 639 // correction >> 640 if(!itsOKforMomentum) >> 641 { >> 642 G4double vmag = theMomentumDirectionChange.mag(); >> 643 theMomentumDirectionChange = (1. / vmag) * theMomentumDirectionChange; >> 644 } >> 645 if(!itsOKforGlobalTime) >> 646 { >> 647 theTimeChange = aTrack.GetLocalTime(); >> 648 } >> 649 if(!itsOKforProperTime) >> 650 { >> 651 theProperTimeChange = aTrack.GetProperTime(); >> 652 } >> 653 if(!itsOKforEnergy) >> 654 { >> 655 theEnergyChange = 0.0; >> 656 } >> 657 if(!itsOKforVelocity) >> 658 { >> 659 theVelocityChange = c_light; >> 660 } >> 661 >> 662 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack); >> 663 return itsOK; 381 } 664 } 382 665