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25 // 25 //
26 // G4ParticleChangeForLoss class implementatio 26 // G4ParticleChangeForLoss class implementation
27 // 27 //
28 // Author: Hisaya Kurashige, 23 March 1998 28 // Author: Hisaya Kurashige, 23 March 1998
29 // Revision: Vladimir Ivantchenko, 16 January 29 // Revision: Vladimir Ivantchenko, 16 January 2004
30 // ------------------------------------------- 30 // --------------------------------------------------------------------
31 31
32 #include "G4ParticleChangeForLoss.hh" 32 #include "G4ParticleChangeForLoss.hh"
33 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh"
>> 34 #include "G4Track.hh"
>> 35 #include "G4Step.hh"
>> 36 #include "G4DynamicParticle.hh"
34 #include "G4ExceptionSeverity.hh" 37 #include "G4ExceptionSeverity.hh"
35 38
36 // ------------------------------------------- 39 // --------------------------------------------------------------------
37 G4ParticleChangeForLoss::G4ParticleChangeForLo 40 G4ParticleChangeForLoss::G4ParticleChangeForLoss()
>> 41 : G4VParticleChange()
>> 42 , lowEnergyLimit(1.0 * eV)
38 { 43 {
39 // Disable flag that is enabled in G4VPartic << 44 theSteppingControlFlag = NormalCondition;
40 debugFlag = false; << 45 debugFlag = false;
41 SetNumberOfSecondaries(1); << 46 }
>> 47
>> 48 // --------------------------------------------------------------------
>> 49 G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
>> 50 {
>> 51 }
>> 52
>> 53 // --------------------------------------------------------------------
>> 54 G4ParticleChangeForLoss::G4ParticleChangeForLoss(
>> 55 const G4ParticleChangeForLoss& right)
>> 56 : G4VParticleChange(right)
>> 57 {
>> 58 currentTrack = right.currentTrack;
>> 59 proposedKinEnergy = right.proposedKinEnergy;
>> 60 lowEnergyLimit = right.lowEnergyLimit;
>> 61 currentCharge = right.currentCharge;
>> 62 proposedMomentumDirection = right.proposedMomentumDirection;
>> 63 }
>> 64
>> 65 // --------------------------------------------------------------------
>> 66 G4ParticleChangeForLoss& G4ParticleChangeForLoss::operator=(
>> 67 const G4ParticleChangeForLoss& right)
>> 68 {
>> 69 if(this != &right)
>> 70 {
>> 71 if(theNumberOfSecondaries > 0)
>> 72 {
>> 73 for(G4int index = 0; index < theNumberOfSecondaries; ++index)
>> 74 {
>> 75 if((*theListOfSecondaries)[index])
>> 76 delete(*theListOfSecondaries)[index];
>> 77 }
>> 78 }
>> 79 delete theListOfSecondaries;
>> 80 theListOfSecondaries = new G4TrackFastVector();
>> 81 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 82 for(G4int index = 0; index < theNumberOfSecondaries; ++index)
>> 83 {
>> 84 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index]));
>> 85 theListOfSecondaries->SetElement(index, newTrack);
>> 86 }
>> 87
>> 88 theStatusChange = right.theStatusChange;
>> 89 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 90 theSteppingControlFlag = right.theSteppingControlFlag;
>> 91 theParentWeight = right.theParentWeight;
>> 92 isParentWeightProposed = right.isParentWeightProposed;
>> 93 fSetSecondaryWeightByProcess = right.fSetSecondaryWeightByProcess;
>> 94
>> 95 currentTrack = right.currentTrack;
>> 96 proposedKinEnergy = right.proposedKinEnergy;
>> 97 currentCharge = right.currentCharge;
>> 98 proposedMomentumDirection = right.proposedMomentumDirection;
>> 99 }
>> 100 return *this;
42 } 101 }
43 102
44 // ------------------------------------------- 103 // --------------------------------------------------------------------
45 void G4ParticleChangeForLoss::DumpInfo() const 104 void G4ParticleChangeForLoss::DumpInfo() const
46 { 105 {
47 // use base-class DumpInfo 106 // use base-class DumpInfo
48 G4VParticleChange::DumpInfo(); 107 G4VParticleChange::DumpInfo();
49 108
50 G4long oldprc = G4cout.precision(8); << 109 G4int oldprc = G4cout.precision(3);
51 G4cout << " --------------------------- <<
52 G4cout << " G4ParticleChangeForLoss p <<
53 G4cout << " Charge (eplus) : " << s 110 G4cout << " Charge (eplus) : " << std::setw(20)
54 << currentCharge / eplus << G4endl; 111 << currentCharge / eplus << G4endl;
55 G4cout << " Kinetic Energy (MeV): " < 112 G4cout << " Kinetic Energy (MeV): " << std::setw(20)
56 << proposedKinEnergy / MeV << G4endl; 113 << proposedKinEnergy / MeV << G4endl;
57 G4cout << " Momentum Direct - x : " < 114 G4cout << " Momentum Direct - x : " << std::setw(20)
58 << proposedMomentumDirection.x() << G 115 << proposedMomentumDirection.x() << G4endl;
59 G4cout << " Momentum Direct - y : " < 116 G4cout << " Momentum Direct - y : " << std::setw(20)
60 << proposedMomentumDirection.y() << G 117 << proposedMomentumDirection.y() << G4endl;
61 G4cout << " Momentum Direct - z : " < 118 G4cout << " Momentum Direct - z : " << std::setw(20)
62 << proposedMomentumDirection.z() << G 119 << proposedMomentumDirection.z() << G4endl;
63 G4cout.precision(oldprc); 120 G4cout.precision(oldprc);
64 } 121 }
65 122
66 // ------------------------------------------- 123 // --------------------------------------------------------------------
>> 124 G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
>> 125 {
>> 126 G4bool itsOK = true;
>> 127 G4bool exitWithError = false;
>> 128
>> 129 G4double accuracy;
>> 130
>> 131 // Energy should not be lager than initial value
>> 132 accuracy = (proposedKinEnergy - aTrack.GetKineticEnergy()) / MeV;
>> 133 if(accuracy > accuracyForWarning)
>> 134 {
>> 135 itsOK = false;
>> 136 exitWithError = (accuracy > accuracyForException);
>> 137 #ifdef G4VERBOSE
>> 138 G4cout << "G4ParticleChangeForLoss::CheckIt: ";
>> 139 G4cout << "KinEnergy become larger than the initial value!"
>> 140 << " Difference: " << accuracy << "[MeV] " << G4endl;
>> 141 G4cout << aTrack.GetDefinition()->GetParticleName()
>> 142 << " E=" << aTrack.GetKineticEnergy() / MeV
>> 143 << " pos=" << aTrack.GetPosition().x() / m << ", "
>> 144 << aTrack.GetPosition().y() / m << ", "
>> 145 << aTrack.GetPosition().z() / m << G4endl;
>> 146 #endif
>> 147 }
>> 148
>> 149 // dump out information of this particle change
>> 150 #ifdef G4VERBOSE
>> 151 if(!itsOK) { DumpInfo(); }
>> 152 #endif
>> 153
>> 154 // exit with error
>> 155 if(exitWithError)
>> 156 {
>> 157 G4Exception("G4ParticleChangeForLoss::CheckIt()", "TRACK004",
>> 158 EventMustBeAborted, "energy was illegal");
>> 159 }
>> 160
>> 161 // correction
>> 162 if(!itsOK)
>> 163 {
>> 164 proposedKinEnergy = aTrack.GetKineticEnergy();
>> 165 }
>> 166
>> 167 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 168 return itsOK;
>> 169 }
>> 170
>> 171 // --------------------------------------------------------------------
67 G4Step* G4ParticleChangeForLoss::UpdateStepFor 172 G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
68 { 173 {
69 const G4StepPoint* pPreStepPoint = pStep->Ge <<
70 G4StepPoint* pPostStepPoint = pStep->GetPost 174 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 175 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
>> 176 G4Track* pTrack = pStep->GetTrack();
71 177
72 // accumulate change of the kinetic energy 178 // accumulate change of the kinetic energy
73 G4double preKinEnergy = pPreStepPoint->GetKi 179 G4double preKinEnergy = pPreStepPoint->GetKineticEnergy();
74 G4double kinEnergy = 180 G4double kinEnergy =
75 pPostStepPoint->GetKineticEnergy() + (prop 181 pPostStepPoint->GetKineticEnergy() + (proposedKinEnergy - preKinEnergy);
76 182
77 pPostStepPoint->SetCharge(currentCharge); << 183 // update kinetic energy and charge
78 << 184 if(kinEnergy < lowEnergyLimit)
79 // calculate velocity <<
80 if(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 { 185 {
89 pPostStepPoint->SetKineticEnergy(0.0); << 186 theLocalEnergyDeposit += kinEnergy;
>> 187 kinEnergy = 0.0;
90 pPostStepPoint->SetVelocity(0.0); 188 pPostStepPoint->SetVelocity(0.0);
91 } 189 }
>> 190 else
>> 191 {
>> 192 pPostStepPoint->SetCharge(currentCharge);
>> 193 // calculate velocity
>> 194 pTrack->SetKineticEnergy(kinEnergy);
>> 195 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
>> 196 pTrack->SetKineticEnergy(preKinEnergy);
>> 197 }
>> 198 pPostStepPoint->SetKineticEnergy(kinEnergy);
92 199
93 if(isParentWeightProposed) 200 if(isParentWeightProposed)
94 { 201 {
95 pPostStepPoint->SetWeight(theParentWeight) 202 pPostStepPoint->SetWeight(theParentWeight);
96 } 203 }
97 204
98 pStep->AddTotalEnergyDeposit(theLocalEnergyD 205 pStep->AddTotalEnergyDeposit(theLocalEnergyDeposit);
99 pStep->AddNonIonizingEnergyDeposit(theNonIon 206 pStep->AddNonIonizingEnergyDeposit(theNonIonizingEnergyDeposit);
100 return pStep; 207 return pStep;
101 } 208 }
102 209
103 // ------------------------------------------- 210 // --------------------------------------------------------------------
104 G4Step* G4ParticleChangeForLoss::UpdateStepFor 211 G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
105 { 212 {
106 G4StepPoint* pPostStepPoint = pStep->GetPost 213 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 214 G4Track* pTrack = pStep->GetTrack();
107 215
108 pPostStepPoint->SetCharge(currentCharge); 216 pPostStepPoint->SetCharge(currentCharge);
109 pPostStepPoint->SetMomentumDirection(propose 217 pPostStepPoint->SetMomentumDirection(proposedMomentumDirection);
>> 218 pPostStepPoint->SetKineticEnergy(proposedKinEnergy);
>> 219 pTrack->SetKineticEnergy(proposedKinEnergy);
110 if(proposedKinEnergy > 0.0) 220 if(proposedKinEnergy > 0.0)
111 { 221 {
112 pPostStepPoint->SetKineticEnergy(proposedK << 222 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
113 <<
114 // assuming that mass>0, zero mass particl <<
115 pPostStepPoint->SetVelocity(CLHEP::c_light <<
116 } 223 }
117 else 224 else
118 { 225 {
119 pPostStepPoint->SetKineticEnergy(0.0); <<
120 pPostStepPoint->SetVelocity(0.0); 226 pPostStepPoint->SetVelocity(0.0);
121 } 227 }
122 pPostStepPoint->SetPolarization(proposedPola 228 pPostStepPoint->SetPolarization(proposedPolarization);
123 229
124 if(isParentWeightProposed) 230 if(isParentWeightProposed)
125 { 231 {
126 pPostStepPoint->SetWeight(theParentWeight) 232 pPostStepPoint->SetWeight(theParentWeight);
127 } 233 }
128 234
129 pStep->AddTotalEnergyDeposit(theLocalEnergyD 235 pStep->AddTotalEnergyDeposit(theLocalEnergyDeposit);
130 pStep->AddNonIonizingEnergyDeposit(theNonIon 236 pStep->AddNonIonizingEnergyDeposit(theNonIonizingEnergyDeposit);
131 return pStep; 237 return pStep;
132 } 238 }
133 239