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25 // 25 //
26 // G4ParticleChangeForLoss class implementatio <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 //
29 // Revision: Vladimir Ivantchenko, 16 January << 28 //
30 // ------------------------------------------- << 29 // --------------------------------------------------------------
31 << 30 // GEANT 4 class implementation file
>> 31 //
>> 32 // ------------------------------------------------------------
>> 33 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
>> 34 // --------------------------------------------------------------
>> 35 //
>> 36 // Modified:
>> 37 // 16.01.04 V.Ivanchenko update for model variant of energy loss
>> 38 // 15.04.05 V.Ivanchenko inline update methods
>> 39 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 40 //
>> 41 // ------------------------------------------------------------
>> 42 //
32 #include "G4ParticleChangeForLoss.hh" 43 #include "G4ParticleChangeForLoss.hh"
33 #include "G4SystemOfUnits.hh" 44 #include "G4SystemOfUnits.hh"
>> 45 #include "G4Track.hh"
>> 46 #include "G4Step.hh"
>> 47 #include "G4DynamicParticle.hh"
34 #include "G4ExceptionSeverity.hh" 48 #include "G4ExceptionSeverity.hh"
>> 49 //#include "G4VelocityTable.hh"
35 50
36 // ------------------------------------------- <<
37 G4ParticleChangeForLoss::G4ParticleChangeForLo 51 G4ParticleChangeForLoss::G4ParticleChangeForLoss()
>> 52 : G4VParticleChange(), currentTrack(0), proposedKinEnergy(0.),
>> 53 lowEnergyLimit(1.0*eV), currentCharge(0.)
38 { 54 {
39 // Disable flag that is enabled in G4VPartic << 55 theSteppingControlFlag = NormalCondition;
40 debugFlag = false; 56 debugFlag = false;
41 SetNumberOfSecondaries(1); << 57 #ifdef G4VERBOSE
>> 58 if (verboseLevel>2) {
>> 59 G4cout << "G4ParticleChangeForLoss::G4ParticleChangeForLoss() " << G4endl;
>> 60 }
>> 61 #endif
>> 62 }
>> 63
>> 64 G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
>> 65 {
>> 66 #ifdef G4VERBOSE
>> 67 if (verboseLevel>2) {
>> 68 G4cout << "G4ParticleChangeForLoss::~G4ParticleChangeForLoss() " << G4endl;
>> 69 }
>> 70 #endif
>> 71 }
>> 72
>> 73 G4ParticleChangeForLoss::
>> 74 G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right)
>> 75 : G4VParticleChange(right)
>> 76 {
>> 77 if (verboseLevel>1) {
>> 78 G4cout << "G4ParticleChangeForLoss:: copy constructor is called " << G4endl;
>> 79 }
>> 80 currentTrack = right.currentTrack;
>> 81 proposedKinEnergy = right.proposedKinEnergy;
>> 82 lowEnergyLimit = right.lowEnergyLimit;
>> 83 currentCharge = right.currentCharge;
>> 84 proposedMomentumDirection = right.proposedMomentumDirection;
42 } 85 }
43 86
44 // ------------------------------------------- << 87 // assignment operator
>> 88 G4ParticleChangeForLoss & G4ParticleChangeForLoss::operator=(
>> 89 const G4ParticleChangeForLoss &right)
>> 90 {
>> 91 #ifdef G4VERBOSE
>> 92 if (verboseLevel>1) {
>> 93 G4cout << "G4ParticleChangeForLoss:: assignment operator is called " << G4endl;
>> 94 }
>> 95 #endif
>> 96
>> 97 if (this != &right) {
>> 98 if (theNumberOfSecondaries>0) {
>> 99 #ifdef G4VERBOSE
>> 100 if (verboseLevel>0) {
>> 101 G4cout << "G4ParticleChangeForLoss: assignment operator Warning ";
>> 102 G4cout << "theListOfSecondaries is not empty ";
>> 103 }
>> 104 #endif
>> 105 for (G4int index= 0; index<theNumberOfSecondaries; index++){
>> 106 if ( (*theListOfSecondaries)[index] ) delete (*theListOfSecondaries)[index] ;
>> 107 }
>> 108 }
>> 109 delete theListOfSecondaries;
>> 110 theListOfSecondaries = new G4TrackFastVector();
>> 111 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 112 for (G4int index = 0; index<theNumberOfSecondaries; index++){
>> 113 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index] ));
>> 114 theListOfSecondaries->SetElement(index, newTrack); }
>> 115
>> 116 theStatusChange = right.theStatusChange;
>> 117 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 118 theSteppingControlFlag = right.theSteppingControlFlag;
>> 119 theParentWeight = right.theParentWeight;
>> 120 isParentWeightProposed = right.isParentWeightProposed;
>> 121 fSetSecondaryWeightByProcess = right.fSetSecondaryWeightByProcess;
>> 122
>> 123 currentTrack = right.currentTrack;
>> 124 proposedKinEnergy = right.proposedKinEnergy;
>> 125 currentCharge = right.currentCharge;
>> 126 proposedMomentumDirection = right.proposedMomentumDirection;
>> 127 }
>> 128 return *this;
>> 129 }
>> 130
>> 131 //----------------------------------------------------------------
>> 132 // methods for printing messages
>> 133 //
>> 134
45 void G4ParticleChangeForLoss::DumpInfo() const 135 void G4ParticleChangeForLoss::DumpInfo() const
46 { 136 {
47 // use base-class DumpInfo << 137 // use base-class DumpInfo
48 G4VParticleChange::DumpInfo(); 138 G4VParticleChange::DumpInfo();
49 139
50 G4long oldprc = G4cout.precision(8); << 140 G4int oldprc = G4cout.precision(3);
51 G4cout << " --------------------------- << 141 G4cout << " Charge (eplus) : "
52 G4cout << " G4ParticleChangeForLoss p << 142 << std::setw(20) << currentCharge/eplus
53 G4cout << " Charge (eplus) : " << s << 143 << G4endl;
54 << currentCharge / eplus << G4endl; << 144 G4cout << " Kinetic Energy (MeV): "
55 G4cout << " Kinetic Energy (MeV): " < << 145 << std::setw(20) << proposedKinEnergy/MeV
56 << proposedKinEnergy / MeV << G4endl; << 146 << G4endl;
57 G4cout << " Momentum Direct - x : " < << 147 G4cout << " Momentum Direct - x : "
58 << proposedMomentumDirection.x() << G << 148 << std::setw(20) << proposedMomentumDirection.x()
59 G4cout << " Momentum Direct - y : " < << 149 << G4endl;
60 << proposedMomentumDirection.y() << G << 150 G4cout << " Momentum Direct - y : "
61 G4cout << " Momentum Direct - z : " < << 151 << std::setw(20) << proposedMomentumDirection.y()
62 << proposedMomentumDirection.z() << G << 152 << G4endl;
>> 153 G4cout << " Momentum Direct - z : "
>> 154 << std::setw(20) << proposedMomentumDirection.z()
>> 155 << G4endl;
63 G4cout.precision(oldprc); 156 G4cout.precision(oldprc);
64 } 157 }
65 158
66 // ------------------------------------------- << 159 G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
>> 160 {
>> 161 G4bool itsOK = true;
>> 162 G4bool exitWithError = false;
>> 163
>> 164 G4double accuracy;
>> 165
>> 166 // Energy should not be lager than initial value
>> 167 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
>> 168 if (accuracy > accuracyForWarning) {
>> 169 itsOK = false;
>> 170 exitWithError = (accuracy > accuracyForException);
>> 171 #ifdef G4VERBOSE
>> 172 G4cout << "G4ParticleChangeForLoss::CheckIt: ";
>> 173 G4cout << "KinEnergy become larger than the initial value!"
>> 174 << " Difference: " << accuracy << "[MeV] " <<G4endl;
>> 175 G4cout << aTrack.GetDefinition()->GetParticleName()
>> 176 << " E=" << aTrack.GetKineticEnergy()/MeV
>> 177 << " pos=" << aTrack.GetPosition().x()/m
>> 178 << ", " << aTrack.GetPosition().y()/m
>> 179 << ", " << aTrack.GetPosition().z()/m
>> 180 <<G4endl;
>> 181 #endif
>> 182 }
>> 183
>> 184 // dump out information of this particle change
>> 185 #ifdef G4VERBOSE
>> 186 if (!itsOK) DumpInfo();
>> 187 #endif
>> 188
>> 189 // Exit with error
>> 190 if (exitWithError) {
>> 191 G4Exception("G4ParticleChangeForLoss::CheckIt",
>> 192 "TRACK004", EventMustBeAborted,
>> 193 "energy was illegal");
>> 194 }
>> 195
>> 196 //correction
>> 197 if (!itsOK) {
>> 198 proposedKinEnergy = aTrack.GetKineticEnergy();
>> 199 }
>> 200
>> 201 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 202 return itsOK;
>> 203 }
>> 204
>> 205 //----------------------------------------------------------------
>> 206 // methods for updating G4Step
>> 207 //
>> 208
67 G4Step* G4ParticleChangeForLoss::UpdateStepFor 209 G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
68 { 210 {
69 const G4StepPoint* pPreStepPoint = pStep->Ge <<
70 G4StepPoint* pPostStepPoint = pStep->GetPost 211 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 212 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
>> 213 G4Track* pTrack = pStep->GetTrack();
71 214
72 // accumulate change of the kinetic energy 215 // accumulate change of the kinetic energy
73 G4double preKinEnergy = pPreStepPoint->GetKi 216 G4double preKinEnergy = pPreStepPoint->GetKineticEnergy();
74 G4double kinEnergy = << 217 G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
75 pPostStepPoint->GetKineticEnergy() + (prop << 218 (proposedKinEnergy - preKinEnergy);
76 219
77 pPostStepPoint->SetCharge(currentCharge); << 220 // update kinetic energy and charge
78 << 221 if (kinEnergy < lowEnergyLimit) {
79 // calculate velocity << 222 theLocalEnergyDeposit += kinEnergy;
80 if(kinEnergy > 0.0) << 223 kinEnergy = 0.0;
81 { <<
82 pPostStepPoint->SetKineticEnergy(kinEnergy <<
83 <<
84 // assuming that mass>0, zero mass particl <<
85 pPostStepPoint->SetVelocity(CLHEP::c_light <<
86 } <<
87 else <<
88 { <<
89 pPostStepPoint->SetKineticEnergy(0.0); <<
90 pPostStepPoint->SetVelocity(0.0); 224 pPostStepPoint->SetVelocity(0.0);
>> 225 } else {
>> 226 pPostStepPoint->SetCharge( currentCharge );
>> 227 // calculate velocity
>> 228 pTrack->SetKineticEnergy(kinEnergy);
>> 229 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
>> 230 pTrack->SetKineticEnergy(preKinEnergy);
91 } 231 }
>> 232 pPostStepPoint->SetKineticEnergy( kinEnergy );
92 233
93 if(isParentWeightProposed) << 234 if (isParentWeightProposed ){
94 { << 235 pPostStepPoint->SetWeight( theParentWeight );
95 pPostStepPoint->SetWeight(theParentWeight) <<
96 } 236 }
97 237
98 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 238 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
99 pStep->AddNonIonizingEnergyDeposit(theNonIon << 239 pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
100 return pStep; 240 return pStep;
101 } 241 }
102 242
103 // ------------------------------------------- <<
104 G4Step* G4ParticleChangeForLoss::UpdateStepFor 243 G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
105 { 244 {
106 G4StepPoint* pPostStepPoint = pStep->GetPost 245 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 246 G4Track* pTrack = pStep->GetTrack();
107 247
108 pPostStepPoint->SetCharge(currentCharge); << 248 pPostStepPoint->SetCharge( currentCharge );
109 pPostStepPoint->SetMomentumDirection(propose << 249 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
110 if(proposedKinEnergy > 0.0) << 250 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
111 { << 251 pTrack->SetKineticEnergy( proposedKinEnergy );
112 pPostStepPoint->SetKineticEnergy(proposedK << 252 if(proposedKinEnergy > 0.0) {
113 << 253 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
114 // assuming that mass>0, zero mass particl << 254 } else {
115 pPostStepPoint->SetVelocity(CLHEP::c_light <<
116 } <<
117 else <<
118 { <<
119 pPostStepPoint->SetKineticEnergy(0.0); <<
120 pPostStepPoint->SetVelocity(0.0); 255 pPostStepPoint->SetVelocity(0.0);
121 } 256 }
122 pPostStepPoint->SetPolarization(proposedPola << 257 pPostStepPoint->SetPolarization( proposedPolarization );
123 258
124 if(isParentWeightProposed) << 259 if (isParentWeightProposed ){
125 { << 260 pPostStepPoint->SetWeight( theParentWeight );
126 pPostStepPoint->SetWeight(theParentWeight) <<
127 } 261 }
128 262
129 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 263 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
130 pStep->AddNonIonizingEnergyDeposit(theNonIon << 264 pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
131 return pStep; 265 return pStep;
132 } 266 }
>> 267
133 268