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25 // 25 //
26 // G4ParticleChangeForLoss class implementatio <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 // $Id: G4ParticleChangeForLoss.cc 68795 2013-04-05 13:24:46Z gcosmo $
29 // Revision: Vladimir Ivantchenko, 16 January << 28 //
30 // ------------------------------------------- << 29 //
31 << 30 // --------------------------------------------------------------
>> 31 // GEANT 4 class implementation file
>> 32 //
>> 33 // ------------------------------------------------------------
>> 34 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
>> 35 // --------------------------------------------------------------
>> 36 //
>> 37 // Modified:
>> 38 // 16.01.04 V.Ivanchenko update for model variant of energy loss
>> 39 // 15.04.05 V.Ivanchenko inline update methods
>> 40 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 41 //
>> 42 // ------------------------------------------------------------
>> 43 //
32 #include "G4ParticleChangeForLoss.hh" 44 #include "G4ParticleChangeForLoss.hh"
33 #include "G4SystemOfUnits.hh" 45 #include "G4SystemOfUnits.hh"
>> 46 #include "G4Track.hh"
>> 47 #include "G4Step.hh"
>> 48 #include "G4DynamicParticle.hh"
34 #include "G4ExceptionSeverity.hh" 49 #include "G4ExceptionSeverity.hh"
>> 50 //#include "G4VelocityTable.hh"
35 51
36 // ------------------------------------------- <<
37 G4ParticleChangeForLoss::G4ParticleChangeForLo 52 G4ParticleChangeForLoss::G4ParticleChangeForLoss()
>> 53 : G4VParticleChange(), currentTrack(0), proposedKinEnergy(0.),
>> 54 lowEnergyLimit(1.0*eV), currentCharge(0.)
38 { 55 {
39 // Disable flag that is enabled in G4VPartic << 56 theSteppingControlFlag = NormalCondition;
40 debugFlag = false; 57 debugFlag = false;
41 SetNumberOfSecondaries(1); << 58 #ifdef G4VERBOSE
>> 59 if (verboseLevel>2) {
>> 60 G4cout << "G4ParticleChangeForLoss::G4ParticleChangeForLoss() " << G4endl;
>> 61 }
>> 62 #endif
>> 63 }
>> 64
>> 65 G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
>> 66 {
>> 67 #ifdef G4VERBOSE
>> 68 if (verboseLevel>2) {
>> 69 G4cout << "G4ParticleChangeForLoss::~G4ParticleChangeForLoss() " << G4endl;
>> 70 }
>> 71 #endif
>> 72 }
>> 73
>> 74 G4ParticleChangeForLoss::
>> 75 G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right)
>> 76 : G4VParticleChange(right)
>> 77 {
>> 78 if (verboseLevel>1) {
>> 79 G4cout << "G4ParticleChangeForLoss:: copy constructor is called " << G4endl;
>> 80 }
>> 81 currentTrack = right.currentTrack;
>> 82 proposedKinEnergy = right.proposedKinEnergy;
>> 83 lowEnergyLimit = right.lowEnergyLimit;
>> 84 currentCharge = right.currentCharge;
>> 85 proposedMomentumDirection = right.proposedMomentumDirection;
42 } 86 }
43 87
44 // ------------------------------------------- << 88 // assignment operator
>> 89 G4ParticleChangeForLoss & G4ParticleChangeForLoss::operator=(
>> 90 const G4ParticleChangeForLoss &right)
>> 91 {
>> 92 #ifdef G4VERBOSE
>> 93 if (verboseLevel>1) {
>> 94 G4cout << "G4ParticleChangeForLoss:: assignment operator is called " << G4endl;
>> 95 }
>> 96 #endif
>> 97
>> 98 if (this != &right) {
>> 99 if (theNumberOfSecondaries>0) {
>> 100 #ifdef G4VERBOSE
>> 101 if (verboseLevel>0) {
>> 102 G4cout << "G4ParticleChangeForLoss: assignment operator Warning ";
>> 103 G4cout << "theListOfSecondaries is not empty ";
>> 104 }
>> 105 #endif
>> 106 for (G4int index= 0; index<theNumberOfSecondaries; index++){
>> 107 if ( (*theListOfSecondaries)[index] ) delete (*theListOfSecondaries)[index] ;
>> 108 }
>> 109 }
>> 110 delete theListOfSecondaries;
>> 111 theListOfSecondaries = new G4TrackFastVector();
>> 112 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 113 for (G4int index = 0; index<theNumberOfSecondaries; index++){
>> 114 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index] ));
>> 115 theListOfSecondaries->SetElement(index, newTrack); }
>> 116
>> 117 theStatusChange = right.theStatusChange;
>> 118 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 119 theSteppingControlFlag = right.theSteppingControlFlag;
>> 120 theParentWeight = right.theParentWeight;
>> 121 isParentWeightProposed = right.isParentWeightProposed;
>> 122 fSetSecondaryWeightByProcess = right.fSetSecondaryWeightByProcess;
>> 123
>> 124 currentTrack = right.currentTrack;
>> 125 proposedKinEnergy = right.proposedKinEnergy;
>> 126 currentCharge = right.currentCharge;
>> 127 proposedMomentumDirection = right.proposedMomentumDirection;
>> 128 }
>> 129 return *this;
>> 130 }
>> 131
>> 132 //----------------------------------------------------------------
>> 133 // methods for printing messages
>> 134 //
>> 135
45 void G4ParticleChangeForLoss::DumpInfo() const 136 void G4ParticleChangeForLoss::DumpInfo() const
46 { 137 {
47 // use base-class DumpInfo << 138 // use base-class DumpInfo
48 G4VParticleChange::DumpInfo(); 139 G4VParticleChange::DumpInfo();
49 140
50 G4long oldprc = G4cout.precision(8); << 141 G4int oldprc = G4cout.precision(3);
51 G4cout << " --------------------------- << 142 G4cout << " Charge (eplus) : "
52 G4cout << " G4ParticleChangeForLoss p << 143 << std::setw(20) << currentCharge/eplus
53 G4cout << " Charge (eplus) : " << s << 144 << G4endl;
54 << currentCharge / eplus << G4endl; << 145 G4cout << " Kinetic Energy (MeV): "
55 G4cout << " Kinetic Energy (MeV): " < << 146 << std::setw(20) << proposedKinEnergy/MeV
56 << proposedKinEnergy / MeV << G4endl; << 147 << G4endl;
57 G4cout << " Momentum Direct - x : " < << 148 G4cout << " Momentum Direct - x : "
58 << proposedMomentumDirection.x() << G << 149 << std::setw(20) << proposedMomentumDirection.x()
59 G4cout << " Momentum Direct - y : " < << 150 << G4endl;
60 << proposedMomentumDirection.y() << G << 151 G4cout << " Momentum Direct - y : "
61 G4cout << " Momentum Direct - z : " < << 152 << std::setw(20) << proposedMomentumDirection.y()
62 << proposedMomentumDirection.z() << G << 153 << G4endl;
>> 154 G4cout << " Momentum Direct - z : "
>> 155 << std::setw(20) << proposedMomentumDirection.z()
>> 156 << G4endl;
63 G4cout.precision(oldprc); 157 G4cout.precision(oldprc);
64 } 158 }
65 159
66 // ------------------------------------------- << 160 G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
>> 161 {
>> 162 G4bool itsOK = true;
>> 163 G4bool exitWithError = false;
>> 164
>> 165 G4double accuracy;
>> 166
>> 167 // Energy should not be lager than initial value
>> 168 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
>> 169 if (accuracy > accuracyForWarning) {
>> 170 itsOK = false;
>> 171 exitWithError = (accuracy > accuracyForException);
>> 172 #ifdef G4VERBOSE
>> 173 G4cout << "G4ParticleChangeForLoss::CheckIt: ";
>> 174 G4cout << "KinEnergy become larger than the initial value!"
>> 175 << " Difference: " << accuracy << "[MeV] " <<G4endl;
>> 176 G4cout << aTrack.GetDefinition()->GetParticleName()
>> 177 << " E=" << aTrack.GetKineticEnergy()/MeV
>> 178 << " pos=" << aTrack.GetPosition().x()/m
>> 179 << ", " << aTrack.GetPosition().y()/m
>> 180 << ", " << aTrack.GetPosition().z()/m
>> 181 <<G4endl;
>> 182 #endif
>> 183 }
>> 184
>> 185 // dump out information of this particle change
>> 186 #ifdef G4VERBOSE
>> 187 if (!itsOK) DumpInfo();
>> 188 #endif
>> 189
>> 190 // Exit with error
>> 191 if (exitWithError) {
>> 192 G4Exception("G4ParticleChangeForLoss::CheckIt",
>> 193 "TRACK004", EventMustBeAborted,
>> 194 "energy was illegal");
>> 195 }
>> 196
>> 197 //correction
>> 198 if (!itsOK) {
>> 199 proposedKinEnergy = aTrack.GetKineticEnergy();
>> 200 }
>> 201
>> 202 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 203 return itsOK;
>> 204 }
>> 205
>> 206 //----------------------------------------------------------------
>> 207 // methods for updating G4Step
>> 208 //
>> 209
67 G4Step* G4ParticleChangeForLoss::UpdateStepFor 210 G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
68 { 211 {
69 const G4StepPoint* pPreStepPoint = pStep->Ge <<
70 G4StepPoint* pPostStepPoint = pStep->GetPost 212 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 213 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
>> 214 G4Track* pTrack = pStep->GetTrack();
71 215
72 // accumulate change of the kinetic energy 216 // accumulate change of the kinetic energy
73 G4double preKinEnergy = pPreStepPoint->GetKi 217 G4double preKinEnergy = pPreStepPoint->GetKineticEnergy();
74 G4double kinEnergy = << 218 G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
75 pPostStepPoint->GetKineticEnergy() + (prop << 219 (proposedKinEnergy - preKinEnergy);
76 220
77 pPostStepPoint->SetCharge(currentCharge); << 221 // update kinetic energy and charge
78 << 222 if (kinEnergy < lowEnergyLimit) {
79 // calculate velocity << 223 theLocalEnergyDeposit += kinEnergy;
80 if(kinEnergy > 0.0) << 224 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); 225 pPostStepPoint->SetVelocity(0.0);
>> 226 } else {
>> 227 pPostStepPoint->SetCharge( currentCharge );
>> 228 // calculate velocity
>> 229 pTrack->SetKineticEnergy(kinEnergy);
>> 230 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
>> 231 pTrack->SetKineticEnergy(preKinEnergy);
91 } 232 }
>> 233 pPostStepPoint->SetKineticEnergy( kinEnergy );
92 234
93 if(isParentWeightProposed) << 235 if (isParentWeightProposed ){
94 { << 236 pPostStepPoint->SetWeight( theParentWeight );
95 pPostStepPoint->SetWeight(theParentWeight) <<
96 } 237 }
97 238
98 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 239 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
99 pStep->AddNonIonizingEnergyDeposit(theNonIon << 240 pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
100 return pStep; 241 return pStep;
101 } 242 }
102 243
103 // ------------------------------------------- <<
104 G4Step* G4ParticleChangeForLoss::UpdateStepFor 244 G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
105 { 245 {
106 G4StepPoint* pPostStepPoint = pStep->GetPost 246 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 247 G4Track* pTrack = pStep->GetTrack();
107 248
108 pPostStepPoint->SetCharge(currentCharge); << 249 pPostStepPoint->SetCharge( currentCharge );
109 pPostStepPoint->SetMomentumDirection(propose << 250 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
110 if(proposedKinEnergy > 0.0) << 251 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
111 { << 252 pTrack->SetKineticEnergy( proposedKinEnergy );
112 pPostStepPoint->SetKineticEnergy(proposedK << 253 if(proposedKinEnergy > 0.0) {
113 << 254 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
114 // assuming that mass>0, zero mass particl << 255 } else {
115 pPostStepPoint->SetVelocity(CLHEP::c_light <<
116 } <<
117 else <<
118 { <<
119 pPostStepPoint->SetKineticEnergy(0.0); <<
120 pPostStepPoint->SetVelocity(0.0); 256 pPostStepPoint->SetVelocity(0.0);
121 } 257 }
122 pPostStepPoint->SetPolarization(proposedPola << 258 pPostStepPoint->SetPolarization( proposedPolarization );
123 259
124 if(isParentWeightProposed) << 260 if (isParentWeightProposed ){
125 { << 261 pPostStepPoint->SetWeight( theParentWeight );
126 pPostStepPoint->SetWeight(theParentWeight) <<
127 } 262 }
128 263
129 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 264 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
130 pStep->AddNonIonizingEnergyDeposit(theNonIon << 265 pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
131 return pStep; 266 return pStep;
132 } 267 }
>> 268
133 269