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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 {
>> 44 theSteppingControlFlag = NormalCondition;
39 // Disable flag that is enabled in G4VPartic 45 // Disable flag that is enabled in G4VParticleChange if G4VERBOSE.
40 debugFlag = false; << 46 debugFlag = false;
41 SetNumberOfSecondaries(1); << 47 }
>> 48
>> 49 // --------------------------------------------------------------------
>> 50 G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
>> 51 {
>> 52 }
>> 53
>> 54 // --------------------------------------------------------------------
>> 55 G4ParticleChangeForLoss::G4ParticleChangeForLoss(
>> 56 const G4ParticleChangeForLoss& right)
>> 57 : G4VParticleChange(right)
>> 58 {
>> 59 currentTrack = right.currentTrack;
>> 60 proposedKinEnergy = right.proposedKinEnergy;
>> 61 lowEnergyLimit = right.lowEnergyLimit;
>> 62 currentCharge = right.currentCharge;
>> 63 proposedMomentumDirection = right.proposedMomentumDirection;
>> 64 }
>> 65
>> 66 // --------------------------------------------------------------------
>> 67 G4ParticleChangeForLoss& G4ParticleChangeForLoss::operator=(
>> 68 const G4ParticleChangeForLoss& right)
>> 69 {
>> 70 if(this != &right)
>> 71 {
>> 72 if(theNumberOfSecondaries > 0)
>> 73 {
>> 74 for(G4int index = 0; index < theNumberOfSecondaries; ++index)
>> 75 {
>> 76 if((*theListOfSecondaries)[index])
>> 77 delete(*theListOfSecondaries)[index];
>> 78 }
>> 79 }
>> 80 delete theListOfSecondaries;
>> 81 theListOfSecondaries = new G4TrackFastVector();
>> 82 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 83 for(G4int index = 0; index < theNumberOfSecondaries; ++index)
>> 84 {
>> 85 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index]));
>> 86 theListOfSecondaries->SetElement(index, newTrack);
>> 87 }
>> 88
>> 89 theStatusChange = right.theStatusChange;
>> 90 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 91 theSteppingControlFlag = right.theSteppingControlFlag;
>> 92 theParentWeight = right.theParentWeight;
>> 93 isParentWeightProposed = right.isParentWeightProposed;
>> 94 fSetSecondaryWeightByProcess = right.fSetSecondaryWeightByProcess;
>> 95
>> 96 currentTrack = right.currentTrack;
>> 97 proposedKinEnergy = right.proposedKinEnergy;
>> 98 currentCharge = right.currentCharge;
>> 99 proposedMomentumDirection = right.proposedMomentumDirection;
>> 100 }
>> 101 return *this;
42 } 102 }
43 103
44 // ------------------------------------------- 104 // --------------------------------------------------------------------
45 void G4ParticleChangeForLoss::DumpInfo() const 105 void G4ParticleChangeForLoss::DumpInfo() const
46 { 106 {
47 // use base-class DumpInfo 107 // use base-class DumpInfo
48 G4VParticleChange::DumpInfo(); 108 G4VParticleChange::DumpInfo();
49 109
50 G4long oldprc = G4cout.precision(8); << 110 G4int oldprc = G4cout.precision(3);
51 G4cout << " --------------------------- <<
52 G4cout << " G4ParticleChangeForLoss p <<
53 G4cout << " Charge (eplus) : " << s 111 G4cout << " Charge (eplus) : " << std::setw(20)
54 << currentCharge / eplus << G4endl; 112 << currentCharge / eplus << G4endl;
55 G4cout << " Kinetic Energy (MeV): " < 113 G4cout << " Kinetic Energy (MeV): " << std::setw(20)
56 << proposedKinEnergy / MeV << G4endl; 114 << proposedKinEnergy / MeV << G4endl;
57 G4cout << " Momentum Direct - x : " < 115 G4cout << " Momentum Direct - x : " << std::setw(20)
58 << proposedMomentumDirection.x() << G 116 << proposedMomentumDirection.x() << G4endl;
59 G4cout << " Momentum Direct - y : " < 117 G4cout << " Momentum Direct - y : " << std::setw(20)
60 << proposedMomentumDirection.y() << G 118 << proposedMomentumDirection.y() << G4endl;
61 G4cout << " Momentum Direct - z : " < 119 G4cout << " Momentum Direct - z : " << std::setw(20)
62 << proposedMomentumDirection.z() << G 120 << proposedMomentumDirection.z() << G4endl;
63 G4cout.precision(oldprc); 121 G4cout.precision(oldprc);
64 } 122 }
65 123
66 // ------------------------------------------- 124 // --------------------------------------------------------------------
>> 125 G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
>> 126 {
>> 127 G4bool itsOK = true;
>> 128 G4bool exitWithError = false;
>> 129
>> 130 G4double accuracy;
>> 131
>> 132 // Energy should not be lager than initial value
>> 133 accuracy = (proposedKinEnergy - aTrack.GetKineticEnergy()) / MeV;
>> 134 if(accuracy > accuracyForWarning)
>> 135 {
>> 136 itsOK = false;
>> 137 exitWithError = (accuracy > accuracyForException);
>> 138 #ifdef G4VERBOSE
>> 139 G4cout << "G4ParticleChangeForLoss::CheckIt: ";
>> 140 G4cout << "KinEnergy become larger than the initial value!"
>> 141 << " Difference: " << accuracy << "[MeV] " << G4endl;
>> 142 G4cout << aTrack.GetDefinition()->GetParticleName()
>> 143 << " E=" << aTrack.GetKineticEnergy() / MeV
>> 144 << " pos=" << aTrack.GetPosition().x() / m << ", "
>> 145 << aTrack.GetPosition().y() / m << ", "
>> 146 << aTrack.GetPosition().z() / m << G4endl;
>> 147 #endif
>> 148 }
>> 149
>> 150 // dump out information of this particle change
>> 151 #ifdef G4VERBOSE
>> 152 if(!itsOK) { DumpInfo(); }
>> 153 #endif
>> 154
>> 155 // exit with error
>> 156 if(exitWithError)
>> 157 {
>> 158 G4Exception("G4ParticleChangeForLoss::CheckIt()", "TRACK004",
>> 159 EventMustBeAborted, "energy was illegal");
>> 160 }
>> 161
>> 162 // correction
>> 163 if(!itsOK)
>> 164 {
>> 165 proposedKinEnergy = aTrack.GetKineticEnergy();
>> 166 }
>> 167
>> 168 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 169 return itsOK;
>> 170 }
>> 171
>> 172 // --------------------------------------------------------------------
67 G4Step* G4ParticleChangeForLoss::UpdateStepFor 173 G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
68 { 174 {
69 const G4StepPoint* pPreStepPoint = pStep->Ge <<
70 G4StepPoint* pPostStepPoint = pStep->GetPost 175 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 176 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
>> 177 G4Track* pTrack = pStep->GetTrack();
71 178
72 // accumulate change of the kinetic energy 179 // accumulate change of the kinetic energy
73 G4double preKinEnergy = pPreStepPoint->GetKi 180 G4double preKinEnergy = pPreStepPoint->GetKineticEnergy();
74 G4double kinEnergy = 181 G4double kinEnergy =
75 pPostStepPoint->GetKineticEnergy() + (prop 182 pPostStepPoint->GetKineticEnergy() + (proposedKinEnergy - preKinEnergy);
76 183
77 pPostStepPoint->SetCharge(currentCharge); << 184 // update kinetic energy and charge
78 << 185 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 { 186 {
89 pPostStepPoint->SetKineticEnergy(0.0); << 187 theLocalEnergyDeposit += kinEnergy;
>> 188 kinEnergy = 0.0;
90 pPostStepPoint->SetVelocity(0.0); 189 pPostStepPoint->SetVelocity(0.0);
91 } 190 }
>> 191 else
>> 192 {
>> 193 pPostStepPoint->SetCharge(currentCharge);
>> 194 // calculate velocity
>> 195 pTrack->SetKineticEnergy(kinEnergy);
>> 196 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
>> 197 pTrack->SetKineticEnergy(preKinEnergy);
>> 198 }
>> 199 pPostStepPoint->SetKineticEnergy(kinEnergy);
92 200
93 if(isParentWeightProposed) 201 if(isParentWeightProposed)
94 { 202 {
95 pPostStepPoint->SetWeight(theParentWeight) 203 pPostStepPoint->SetWeight(theParentWeight);
96 } 204 }
97 205
98 pStep->AddTotalEnergyDeposit(theLocalEnergyD 206 pStep->AddTotalEnergyDeposit(theLocalEnergyDeposit);
99 pStep->AddNonIonizingEnergyDeposit(theNonIon 207 pStep->AddNonIonizingEnergyDeposit(theNonIonizingEnergyDeposit);
100 return pStep; 208 return pStep;
101 } 209 }
102 210
103 // ------------------------------------------- 211 // --------------------------------------------------------------------
104 G4Step* G4ParticleChangeForLoss::UpdateStepFor 212 G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
105 { 213 {
106 G4StepPoint* pPostStepPoint = pStep->GetPost 214 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 215 G4Track* pTrack = pStep->GetTrack();
107 216
108 pPostStepPoint->SetCharge(currentCharge); 217 pPostStepPoint->SetCharge(currentCharge);
109 pPostStepPoint->SetMomentumDirection(propose 218 pPostStepPoint->SetMomentumDirection(proposedMomentumDirection);
>> 219 pPostStepPoint->SetKineticEnergy(proposedKinEnergy);
>> 220 pTrack->SetKineticEnergy(proposedKinEnergy);
110 if(proposedKinEnergy > 0.0) 221 if(proposedKinEnergy > 0.0)
111 { 222 {
112 pPostStepPoint->SetKineticEnergy(proposedK << 223 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
113 <<
114 // assuming that mass>0, zero mass particl <<
115 pPostStepPoint->SetVelocity(CLHEP::c_light <<
116 } 224 }
117 else 225 else
118 { 226 {
119 pPostStepPoint->SetKineticEnergy(0.0); <<
120 pPostStepPoint->SetVelocity(0.0); 227 pPostStepPoint->SetVelocity(0.0);
121 } 228 }
122 pPostStepPoint->SetPolarization(proposedPola 229 pPostStepPoint->SetPolarization(proposedPolarization);
123 230
124 if(isParentWeightProposed) 231 if(isParentWeightProposed)
125 { 232 {
126 pPostStepPoint->SetWeight(theParentWeight) 233 pPostStepPoint->SetWeight(theParentWeight);
127 } 234 }
128 235
129 pStep->AddTotalEnergyDeposit(theLocalEnergyD 236 pStep->AddTotalEnergyDeposit(theLocalEnergyDeposit);
130 pStep->AddNonIonizingEnergyDeposit(theNonIon 237 pStep->AddNonIonizingEnergyDeposit(theNonIonizingEnergyDeposit);
131 return pStep; 238 return pStep;
132 } 239 }
133 240