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25 // 25 //
26 // G4ParticleChangeForGamma class implementati <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 //
29 // Revision: Vladimir Ivantchenko, 15 April 20 << 28 //
30 // ------------------------------------------- << 29 // --------------------------------------------------------------
31 << 30 // GEANT 4 class implementation file
>> 31 //
>> 32 // ------------------------------------------------------------
>> 33 // 15 April 2005 V.Ivanchenko for gamma EM processes
>> 34 // --------------------------------------------------------------
>> 35 //
>> 36 // Modified::
>> 37 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 38 //
>> 39 // ------------------------------------------------------------
>> 40 //
32 #include "G4ParticleChangeForGamma.hh" 41 #include "G4ParticleChangeForGamma.hh"
33 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
34 #include "G4Track.hh" 43 #include "G4Track.hh"
35 #include "G4Step.hh" 44 #include "G4Step.hh"
36 #include "G4DynamicParticle.hh" 45 #include "G4DynamicParticle.hh"
37 #include "G4ExceptionSeverity.hh" 46 #include "G4ExceptionSeverity.hh"
38 47
39 // ------------------------------------------- << 48 G4ParticleChangeForGamma::G4ParticleChangeForGamma()
40 G4ParticleChangeForGamma::G4ParticleChangeForG << 49 : G4VParticleChange(), currentTrack(0), proposedKinEnergy(0.)
41 { 50 {
42 // Disable flag to avoid check of each secon << 51 theSteppingControlFlag = NormalCondition;
43 debugFlag = false; 52 debugFlag = false;
44 SetNumberOfSecondaries(2); << 53 #ifdef G4VERBOSE
>> 54 if (verboseLevel>2) {
>> 55 G4cout << "G4ParticleChangeForGamma::G4ParticleChangeForGamma() " << G4endl;
>> 56 }
>> 57 #endif
>> 58 }
>> 59
>> 60 G4ParticleChangeForGamma::~G4ParticleChangeForGamma()
>> 61 {
>> 62 #ifdef G4VERBOSE
>> 63 if (verboseLevel>2) {
>> 64 G4cout << "G4ParticleChangeForGamma::~G4ParticleChangeForGamma() " << G4endl;
>> 65 }
>> 66 #endif
>> 67 }
>> 68
>> 69 G4ParticleChangeForGamma::G4ParticleChangeForGamma(
>> 70 const G4ParticleChangeForGamma &right): G4VParticleChange(right)
>> 71 {
>> 72 if (verboseLevel>1)
>> 73 G4cout << "G4ParticleChangeForGamma:: copy constructor is called " << G4endl;
>> 74
>> 75 currentTrack = right.currentTrack;
>> 76 proposedKinEnergy = right.proposedKinEnergy;
>> 77 proposedMomentumDirection = right.proposedMomentumDirection;
>> 78 proposedPolarization = right.proposedPolarization;
>> 79 }
>> 80
>> 81 // assignment operator
>> 82 G4ParticleChangeForGamma & G4ParticleChangeForGamma::operator=(
>> 83 const G4ParticleChangeForGamma &right)
>> 84 {
>> 85 #ifdef G4VERBOSE
>> 86 if (verboseLevel>1)
>> 87 G4cout << "G4ParticleChangeForGamma:: assignment operator is called " << G4endl;
>> 88 #endif
>> 89
>> 90 if (this != &right) {
>> 91 if (theNumberOfSecondaries>0) {
>> 92 #ifdef G4VERBOSE
>> 93 if (verboseLevel>0) {
>> 94 G4cout << "G4ParticleChangeForGamma: assignment operator Warning ";
>> 95 G4cout << "theListOfSecondaries is not empty ";
>> 96 }
>> 97 #endif
>> 98 for (G4int index= 0; index<theNumberOfSecondaries; index++){
>> 99 if ( (*theListOfSecondaries)[index] ) delete (*theListOfSecondaries)[index] ;
>> 100 }
>> 101 }
>> 102 delete theListOfSecondaries;
>> 103 theListOfSecondaries = new G4TrackFastVector();
>> 104 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 105 for (G4int index = 0; index<theNumberOfSecondaries; index++){
>> 106 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index] ));
>> 107 theListOfSecondaries->SetElement(index, newTrack); }
>> 108
>> 109 theStatusChange = right.theStatusChange;
>> 110 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 111 theSteppingControlFlag = right.theSteppingControlFlag;
>> 112 theParentWeight = right.theParentWeight;
>> 113
>> 114 currentTrack = right.currentTrack;
>> 115 proposedKinEnergy = right.proposedKinEnergy;
>> 116 proposedMomentumDirection = right.proposedMomentumDirection;
>> 117 proposedPolarization = right.proposedPolarization;
>> 118 }
>> 119 return *this;
45 } 120 }
46 121
47 // ------------------------------------------- <<
48 void G4ParticleChangeForGamma::AddSecondary(G4 122 void G4ParticleChangeForGamma::AddSecondary(G4DynamicParticle* aParticle)
49 { 123 {
50 // create track << 124 // create track
51 G4Track* aTrack = new G4Track(aParticle, the << 125 G4Track* aTrack = new G4Track(aParticle, currentTrack->GetGlobalTime(),
52 theCurrentTrac << 126 currentTrack->GetPosition());
53 127
54 // touchable handle is copied to keep the po << 128 // Touchable handle is copied to keep the pointer
55 aTrack->SetTouchableHandle(theCurrentTrack-> << 129 aTrack->SetTouchableHandle(currentTrack->GetTouchableHandle());
56 130
57 // add a secondary << 131 // add a secondary
58 G4VParticleChange::AddSecondary(aTrack); 132 G4VParticleChange::AddSecondary(aTrack);
59 } 133 }
60 134
61 // ------------------------------------------- << 135 //----------------------------------------------------------------
>> 136 // method for updating G4Step
>> 137 //
>> 138
62 G4Step* G4ParticleChangeForGamma::UpdateStepFo 139 G4Step* G4ParticleChangeForGamma::UpdateStepForAtRest(G4Step* pStep)
63 { 140 {
64 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 141 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
65 pStep->SetStepLength(0.0); << 142 pStep->SetStepLength( 0.0 );
66 143
67 if(isParentWeightProposed) << 144 if (isParentWeightProposed ){
68 { << 145 pStep->GetPostStepPoint()->SetWeight( theParentWeight );
69 pStep->GetPostStepPoint()->SetWeight(thePa <<
70 } 146 }
71 147
72 return pStep; 148 return pStep;
73 } 149 }
74 150
75 // ------------------------------------------- <<
76 G4Step* G4ParticleChangeForGamma::UpdateStepFo 151 G4Step* G4ParticleChangeForGamma::UpdateStepForPostStep(G4Step* pStep)
77 { 152 {
78 G4StepPoint* pPostStepPoint = pStep->GetPost 153 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 154 G4Track* pTrack = pStep->GetTrack();
79 155
80 pPostStepPoint->SetMomentumDirection(propose << 156 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
81 pPostStepPoint->SetPolarization(proposedPola << 157 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
>> 158 pPostStepPoint->SetPolarization( proposedPolarization );
82 159
83 // update velocity for scattering process an 160 // update velocity for scattering process and particles with mass
84 if(proposedKinEnergy > 0.0) << 161 if(proposedKinEnergy > 0.0) {
85 { << 162 if(pTrack->GetParticleDefinition()->GetPDGMass() > 0.0) {
86 pPostStepPoint->SetKineticEnergy(proposedK << 163 pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
87 G4double mass = theCurrentTrack->GetDefini <<
88 G4double v = CLHEP::c_light; <<
89 if(mass > 0.0) { <<
90 v *= std::sqrt(proposedKinEnergy*(propos <<
91 (proposedKinEnergy + mass); <<
92 } 164 }
93 pPostStepPoint->SetVelocity(v); << 165 }
94 } <<
95 else <<
96 { <<
97 pPostStepPoint->SetKineticEnergy(0.0); <<
98 pPostStepPoint->SetVelocity(0.0); <<
99 } <<
100 166
101 if(isParentWeightProposed) << 167 if (isParentWeightProposed ){
102 { << 168 pPostStepPoint->SetWeight( theParentWeight );
103 pPostStepPoint->SetWeight(theParentWeight) <<
104 } 169 }
105 << 170
106 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 171 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
107 pStep->AddNonIonizingEnergyDeposit(theNonIon << 172 pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
108 return pStep; 173 return pStep;
109 } 174 }
110 175
111 // ------------------------------------------- << 176 //----------------------------------------------------------------
>> 177 // methods for printing messages
>> 178 //
>> 179
112 void G4ParticleChangeForGamma::DumpInfo() cons 180 void G4ParticleChangeForGamma::DumpInfo() const
113 { 181 {
114 // use base-class DumpInfo << 182 // use base-class DumpInfo
115 G4VParticleChange::DumpInfo(); 183 G4VParticleChange::DumpInfo();
116 184
117 G4long oldprc = G4cout.precision(8); << 185 G4int oldprc = G4cout.precision(3);
118 G4cout << " --------------------------- << 186 G4cout << " Kinetic Energy (MeV): "
119 G4cout << " G4ParticleChangeForGamma << 187 << std::setw(20) << proposedKinEnergy/MeV
120 G4cout << " Kinetic Energy (MeV): " < << 188 << G4endl;
121 << proposedKinEnergy / MeV << G4endl; << 189 G4cout << " Momentum Direction: "
122 G4cout << " Momentum Direction: " << << 190 << std::setw(20) << proposedMomentumDirection
123 << proposedMomentumDirection << G4end << 191 << G4endl;
124 G4cout << " Polarization: " << std::s << 192 G4cout << " Polarization: "
125 << G4endl; << 193 << std::setw(20) << proposedPolarization
>> 194 << G4endl;
126 G4cout.precision(oldprc); 195 G4cout.precision(oldprc);
127 } 196 }
128 197
>> 198 G4bool G4ParticleChangeForGamma::CheckIt(const G4Track& aTrack)
>> 199 {
>> 200 G4bool itsOK = true;
>> 201 G4bool exitWithError = false;
>> 202
>> 203 G4double accuracy;
>> 204
>> 205 // Energy should not be lager than initial value
>> 206 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
>> 207 if (accuracy > accuracyForWarning) {
>> 208 itsOK = false;
>> 209 exitWithError = (accuracy > accuracyForException);
>> 210 #ifdef G4VERBOSE
>> 211 G4cout << "G4ParticleChangeForGamma::CheckIt: ";
>> 212 G4cout << "KinEnergy become larger than the initial value!"
>> 213 << " Difference: " << accuracy << "[MeV] " <<G4endl;
>> 214 G4cout << aTrack.GetDefinition()->GetParticleName()
>> 215 << " E=" << aTrack.GetKineticEnergy()/MeV
>> 216 << " pos=" << aTrack.GetPosition().x()/m
>> 217 << ", " << aTrack.GetPosition().y()/m
>> 218 << ", " << aTrack.GetPosition().z()/m
>> 219 << G4endl;
>> 220 #endif
>> 221 }
>> 222
>> 223 // dump out information of this particle change
>> 224 #ifdef G4VERBOSE
>> 225 if (!itsOK) DumpInfo();
>> 226 #endif
>> 227
>> 228 // Exit with error
>> 229 if (exitWithError) {
>> 230 G4Exception("G4ParticleChangeForGamma::CheckIt",
>> 231 "TRACK004",EventMustBeAborted,
>> 232 "energy was illegal");
>> 233 }
>> 234
>> 235 //correction
>> 236 if (!itsOK) {
>> 237 proposedKinEnergy = aTrack.GetKineticEnergy();
>> 238 }
>> 239
>> 240 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 241 return itsOK;
>> 242 }
129 243