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25 // 25 //
26 // G4ParticleChangeForGamma class implementati <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 // $Id: G4ParticleChangeForGamma.cc 68795 2013-04-05 13:24:46Z gcosmo $
29 // Revision: Vladimir Ivantchenko, 15 April 20 << 28 //
30 // ------------------------------------------- << 29 //
31 << 30 // --------------------------------------------------------------
>> 31 // GEANT 4 class implementation file
>> 32 //
>> 33 // ------------------------------------------------------------
>> 34 // 15 April 2005 V.Ivanchenko for gamma EM processes
>> 35 // --------------------------------------------------------------
>> 36 //
>> 37 // Modified::
>> 38 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 39 //
>> 40 // ------------------------------------------------------------
>> 41 //
32 #include "G4ParticleChangeForGamma.hh" 42 #include "G4ParticleChangeForGamma.hh"
33 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
34 #include "G4Track.hh" 44 #include "G4Track.hh"
35 #include "G4Step.hh" 45 #include "G4Step.hh"
36 #include "G4DynamicParticle.hh" 46 #include "G4DynamicParticle.hh"
37 #include "G4ExceptionSeverity.hh" 47 #include "G4ExceptionSeverity.hh"
38 48
39 // ------------------------------------------- << 49 G4ParticleChangeForGamma::G4ParticleChangeForGamma()
40 G4ParticleChangeForGamma::G4ParticleChangeForG << 50 : G4VParticleChange(), currentTrack(0), proposedKinEnergy(0.)
41 { 51 {
42 // Disable flag to avoid check of each secon << 52 theSteppingControlFlag = NormalCondition;
43 debugFlag = false; 53 debugFlag = false;
44 SetNumberOfSecondaries(2); << 54 #ifdef G4VERBOSE
>> 55 if (verboseLevel>2) {
>> 56 G4cout << "G4ParticleChangeForGamma::G4ParticleChangeForGamma() " << G4endl;
>> 57 }
>> 58 #endif
>> 59 }
>> 60
>> 61 G4ParticleChangeForGamma::~G4ParticleChangeForGamma()
>> 62 {
>> 63 #ifdef G4VERBOSE
>> 64 if (verboseLevel>2) {
>> 65 G4cout << "G4ParticleChangeForGamma::~G4ParticleChangeForGamma() " << G4endl;
>> 66 }
>> 67 #endif
>> 68 }
>> 69
>> 70 G4ParticleChangeForGamma::G4ParticleChangeForGamma(
>> 71 const G4ParticleChangeForGamma &right): G4VParticleChange(right)
>> 72 {
>> 73 if (verboseLevel>1)
>> 74 G4cout << "G4ParticleChangeForGamma:: copy constructor is called " << G4endl;
>> 75
>> 76 currentTrack = right.currentTrack;
>> 77 proposedKinEnergy = right.proposedKinEnergy;
>> 78 proposedMomentumDirection = right.proposedMomentumDirection;
>> 79 proposedPolarization = right.proposedPolarization;
>> 80 }
>> 81
>> 82 // assignment operator
>> 83 G4ParticleChangeForGamma & G4ParticleChangeForGamma::operator=(
>> 84 const G4ParticleChangeForGamma &right)
>> 85 {
>> 86 #ifdef G4VERBOSE
>> 87 if (verboseLevel>1)
>> 88 G4cout << "G4ParticleChangeForGamma:: assignment operator is called " << G4endl;
>> 89 #endif
>> 90
>> 91 if (this != &right) {
>> 92 if (theNumberOfSecondaries>0) {
>> 93 #ifdef G4VERBOSE
>> 94 if (verboseLevel>0) {
>> 95 G4cout << "G4ParticleChangeForGamma: assignment operator Warning ";
>> 96 G4cout << "theListOfSecondaries is not empty ";
>> 97 }
>> 98 #endif
>> 99 for (G4int index= 0; index<theNumberOfSecondaries; index++){
>> 100 if ( (*theListOfSecondaries)[index] ) delete (*theListOfSecondaries)[index] ;
>> 101 }
>> 102 }
>> 103 delete theListOfSecondaries;
>> 104 theListOfSecondaries = new G4TrackFastVector();
>> 105 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 106 for (G4int index = 0; index<theNumberOfSecondaries; index++){
>> 107 G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index] ));
>> 108 theListOfSecondaries->SetElement(index, newTrack); }
>> 109
>> 110 theStatusChange = right.theStatusChange;
>> 111 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 112 theSteppingControlFlag = right.theSteppingControlFlag;
>> 113 theParentWeight = right.theParentWeight;
>> 114
>> 115 currentTrack = right.currentTrack;
>> 116 proposedKinEnergy = right.proposedKinEnergy;
>> 117 proposedMomentumDirection = right.proposedMomentumDirection;
>> 118 proposedPolarization = right.proposedPolarization;
>> 119 }
>> 120 return *this;
45 } 121 }
46 122
47 // ------------------------------------------- <<
48 void G4ParticleChangeForGamma::AddSecondary(G4 123 void G4ParticleChangeForGamma::AddSecondary(G4DynamicParticle* aParticle)
49 { 124 {
50 // create track << 125 // create track
51 G4Track* aTrack = new G4Track(aParticle, the << 126 G4Track* aTrack = new G4Track(aParticle, currentTrack->GetGlobalTime(),
52 theCurrentTrac << 127 currentTrack->GetPosition());
53 128
54 // touchable handle is copied to keep the po << 129 // Touchable handle is copied to keep the pointer
55 aTrack->SetTouchableHandle(theCurrentTrack-> << 130 aTrack->SetTouchableHandle(currentTrack->GetTouchableHandle());
56 131
57 // add a secondary << 132 // add a secondary
58 G4VParticleChange::AddSecondary(aTrack); 133 G4VParticleChange::AddSecondary(aTrack);
59 } 134 }
60 135
61 // ------------------------------------------- << 136 //----------------------------------------------------------------
>> 137 // method for updating G4Step
>> 138 //
>> 139
62 G4Step* G4ParticleChangeForGamma::UpdateStepFo 140 G4Step* G4ParticleChangeForGamma::UpdateStepForAtRest(G4Step* pStep)
63 { 141 {
64 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 142 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
65 pStep->SetStepLength(0.0); << 143 pStep->SetStepLength( 0.0 );
66 144
67 if(isParentWeightProposed) << 145 if (isParentWeightProposed ){
68 { << 146 pStep->GetPostStepPoint()->SetWeight( theParentWeight );
69 pStep->GetPostStepPoint()->SetWeight(thePa <<
70 } 147 }
71 148
72 return pStep; 149 return pStep;
73 } 150 }
74 151
75 // ------------------------------------------- <<
76 G4Step* G4ParticleChangeForGamma::UpdateStepFo 152 G4Step* G4ParticleChangeForGamma::UpdateStepForPostStep(G4Step* pStep)
77 { 153 {
78 G4StepPoint* pPostStepPoint = pStep->GetPost 154 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 155 G4Track* pTrack = pStep->GetTrack();
79 156
80 pPostStepPoint->SetMomentumDirection(propose << 157 pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
81 pPostStepPoint->SetPolarization(proposedPola << 158 pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
>> 159 pPostStepPoint->SetPolarization( proposedPolarization );
82 160
83 // update velocity for scattering process an 161 // update velocity for scattering process and particles with mass
84 if(proposedKinEnergy > 0.0) << 162 if(proposedKinEnergy > 0.0) {
85 { << 163 if(pTrack->GetParticleDefinition()->GetPDGMass() > 0.0) {
86 pPostStepPoint->SetKineticEnergy(proposedK << 164 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 } 165 }
93 pPostStepPoint->SetVelocity(v); << 166 }
94 } <<
95 else <<
96 { <<
97 pPostStepPoint->SetKineticEnergy(0.0); <<
98 pPostStepPoint->SetVelocity(0.0); <<
99 } <<
100 167
101 if(isParentWeightProposed) << 168 if (isParentWeightProposed ){
102 { << 169 pPostStepPoint->SetWeight( theParentWeight );
103 pPostStepPoint->SetWeight(theParentWeight) <<
104 } 170 }
105 << 171
106 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 172 pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
107 pStep->AddNonIonizingEnergyDeposit(theNonIon << 173 pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
108 return pStep; 174 return pStep;
109 } 175 }
110 176
111 // ------------------------------------------- << 177 //----------------------------------------------------------------
>> 178 // methods for printing messages
>> 179 //
>> 180
112 void G4ParticleChangeForGamma::DumpInfo() cons 181 void G4ParticleChangeForGamma::DumpInfo() const
113 { 182 {
114 // use base-class DumpInfo << 183 // use base-class DumpInfo
115 G4VParticleChange::DumpInfo(); 184 G4VParticleChange::DumpInfo();
116 185
117 G4long oldprc = G4cout.precision(8); << 186 G4int oldprc = G4cout.precision(3);
118 G4cout << " --------------------------- << 187 G4cout << " Kinetic Energy (MeV): "
119 G4cout << " G4ParticleChangeForGamma << 188 << std::setw(20) << proposedKinEnergy/MeV
120 G4cout << " Kinetic Energy (MeV): " < << 189 << G4endl;
121 << proposedKinEnergy / MeV << G4endl; << 190 G4cout << " Momentum Direction: "
122 G4cout << " Momentum Direction: " << << 191 << std::setw(20) << proposedMomentumDirection
123 << proposedMomentumDirection << G4end << 192 << G4endl;
124 G4cout << " Polarization: " << std::s << 193 G4cout << " Polarization: "
125 << G4endl; << 194 << std::setw(20) << proposedPolarization
>> 195 << G4endl;
126 G4cout.precision(oldprc); 196 G4cout.precision(oldprc);
127 } 197 }
128 198
>> 199 G4bool G4ParticleChangeForGamma::CheckIt(const G4Track& aTrack)
>> 200 {
>> 201 G4bool itsOK = true;
>> 202 G4bool exitWithError = false;
>> 203
>> 204 G4double accuracy;
>> 205
>> 206 // Energy should not be lager than initial value
>> 207 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
>> 208 if (accuracy > accuracyForWarning) {
>> 209 itsOK = false;
>> 210 exitWithError = (accuracy > accuracyForException);
>> 211 #ifdef G4VERBOSE
>> 212 G4cout << "G4ParticleChangeForGamma::CheckIt: ";
>> 213 G4cout << "KinEnergy become larger than the initial value!"
>> 214 << " Difference: " << accuracy << "[MeV] " <<G4endl;
>> 215 G4cout << aTrack.GetDefinition()->GetParticleName()
>> 216 << " E=" << aTrack.GetKineticEnergy()/MeV
>> 217 << " pos=" << aTrack.GetPosition().x()/m
>> 218 << ", " << aTrack.GetPosition().y()/m
>> 219 << ", " << aTrack.GetPosition().z()/m
>> 220 << G4endl;
>> 221 #endif
>> 222 }
>> 223
>> 224 // dump out information of this particle change
>> 225 #ifdef G4VERBOSE
>> 226 if (!itsOK) DumpInfo();
>> 227 #endif
>> 228
>> 229 // Exit with error
>> 230 if (exitWithError) {
>> 231 G4Exception("G4ParticleChangeForGamma::CheckIt",
>> 232 "TRACK004",EventMustBeAborted,
>> 233 "energy was illegal");
>> 234 }
>> 235
>> 236 //correction
>> 237 if (!itsOK) {
>> 238 proposedKinEnergy = aTrack.GetKineticEnergy();
>> 239 }
>> 240
>> 241 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 242 return itsOK;
>> 243 }
129 244