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25 // 25 //
26 // G4ParticleChangeForGamma class implementati <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 // $Id: G4ParticleChangeForGamma.cc,v 1.3 2006/08/28 16:10:29 vnivanch Exp $
29 // Revision: Vladimir Ivantchenko, 15 April 20 << 28 // GEANT4 tag $Name: geant4-08-02 $
30 // ------------------------------------------- << 29 //
31 << 30 //
>> 31 // --------------------------------------------------------------
>> 32 // GEANT 4 class implementation file
>> 33 //
>> 34 // ------------------------------------------------------------
>> 35 // 15 April 2005 V.Ivanchenko for gamma EM processes
>> 36 // --------------------------------------------------------------
>> 37 //
>> 38 // Modified::
>> 39 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 40 //
>> 41 // ------------------------------------------------------------
>> 42 //
32 #include "G4ParticleChangeForGamma.hh" 43 #include "G4ParticleChangeForGamma.hh"
33 #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():G4VParticleChange()
40 G4ParticleChangeForGamma::G4ParticleChangeForG <<
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
45 } 58 }
46 59
47 // ------------------------------------------- << 60 G4ParticleChangeForGamma::~G4ParticleChangeForGamma()
48 void G4ParticleChangeForGamma::AddSecondary(G4 <<
49 { 61 {
50 // create track << 62 #ifdef G4VERBOSE
51 G4Track* aTrack = new G4Track(aParticle, the << 63 if (verboseLevel>2) {
52 theCurrentTrac << 64 G4cout << "G4ParticleChangeForGamma::~G4ParticleChangeForGamma() " << G4endl;
53 << 65 }
54 // touchable handle is copied to keep the po << 66 #endif
55 aTrack->SetTouchableHandle(theCurrentTrack-> <<
56 <<
57 // add a secondary <<
58 G4VParticleChange::AddSecondary(aTrack); <<
59 } 67 }
60 68
61 // ------------------------------------------- << 69 G4ParticleChangeForGamma::G4ParticleChangeForGamma(
62 G4Step* G4ParticleChangeForGamma::UpdateStepFo << 70 const G4ParticleChangeForGamma &right): G4VParticleChange(right)
63 { 71 {
64 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 72 if (verboseLevel>1)
65 pStep->SetStepLength(0.0); << 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 }
66 80
67 if(isParentWeightProposed) << 81 // assignment operator
68 { << 82 G4ParticleChangeForGamma & G4ParticleChangeForGamma::operator=(
69 pStep->GetPostStepPoint()->SetWeight(thePa << 83 const G4ParticleChangeForGamma &right)
>> 84 {
>> 85 if (verboseLevel>1)
>> 86 G4cout << "G4ParticleChangeForGamma:: assignment operator is called " << G4endl;
>> 87
>> 88 if (this != &right) {
>> 89 theListOfSecondaries = right.theListOfSecondaries;
>> 90 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 91 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 92 theStatusChange = right.theStatusChange;
>> 93 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 94 theSteppingControlFlag = right.theSteppingControlFlag;
>> 95 theParentWeight = right.theParentWeight;
>> 96
>> 97 currentTrack = right.currentTrack;
>> 98 proposedKinEnergy = right.proposedKinEnergy;
>> 99 proposedMomentumDirection = right.proposedMomentumDirection;
>> 100 proposedPolarization = right.proposedPolarization;
70 } 101 }
>> 102 return *this;
>> 103 }
71 104
72 return pStep; << 105 //----------------------------------------------------------------
>> 106 // methods for printing messages
>> 107 //
>> 108
>> 109 void G4ParticleChangeForGamma::DumpInfo() const
>> 110 {
>> 111 // use base-class DumpInfo
>> 112 G4VParticleChange::DumpInfo();
>> 113
>> 114 G4cout.precision(3);
>> 115 G4cout << " Kinetic Energy (MeV): "
>> 116 << std::setw(20) << proposedKinEnergy/MeV
>> 117 << G4endl;
>> 118 G4cout << " Momentum Direction: "
>> 119 << std::setw(20) << proposedMomentumDirection
>> 120 << G4endl;
>> 121 G4cout << " Polarization: "
>> 122 << std::setw(20) << proposedPolarization
>> 123 << G4endl;
73 } 124 }
74 125
75 // ------------------------------------------- << 126 G4bool G4ParticleChangeForGamma::CheckIt(const G4Track& aTrack)
76 G4Step* G4ParticleChangeForGamma::UpdateStepFo <<
77 { 127 {
78 G4StepPoint* pPostStepPoint = pStep->GetPost << 128 G4bool itsOK = true;
>> 129 G4bool exitWithError = false;
79 130
80 pPostStepPoint->SetMomentumDirection(propose << 131 G4double accuracy;
81 pPostStepPoint->SetPolarization(proposedPola <<
82 132
83 // update velocity for scattering process an << 133 // Energy should not be lager than initial value
84 if(proposedKinEnergy > 0.0) << 134 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
85 { << 135 if (accuracy > accuracyForWarning) {
86 pPostStepPoint->SetKineticEnergy(proposedK << 136 #ifdef G4VERBOSE
87 G4double mass = theCurrentTrack->GetDefini << 137 G4cout << "G4ParticleChangeForGamma::CheckIt: ";
88 G4double v = CLHEP::c_light; << 138 G4cout << "KinEnergy become larger than the initial value!" << G4endl;
89 if(mass > 0.0) { << 139 G4cout << " Difference: " << accuracy << "[MeV] " <<G4endl;
90 v *= std::sqrt(proposedKinEnergy*(propos << 140 #endif
91 (proposedKinEnergy + mass); << 141 itsOK = false;
92 } << 142 if (accuracy > accuracyForException) exitWithError = true;
93 pPostStepPoint->SetVelocity(v); <<
94 } <<
95 else <<
96 { <<
97 pPostStepPoint->SetKineticEnergy(0.0); <<
98 pPostStepPoint->SetVelocity(0.0); <<
99 } 143 }
100 144
101 if(isParentWeightProposed) << 145 // dump out information of this particle change
102 { << 146 #ifdef G4VERBOSE
103 pPostStepPoint->SetWeight(theParentWeight) << 147 if (!itsOK) {
>> 148 G4cout << "G4ParticleChangeForGamma::CheckIt " << G4endl;
>> 149 DumpInfo();
104 } 150 }
>> 151 #endif
105 152
106 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 153 // Exit with error
107 pStep->AddNonIonizingEnergyDeposit(theNonIon << 154 if (exitWithError) {
108 return pStep; << 155 G4Exception("G4ParticleChangeForGamma::CheckIt",
109 } << 156 "400",
>> 157 EventMustBeAborted,
>> 158 "energy was illegal");
>> 159 }
110 160
111 // ------------------------------------------- << 161 //correction
112 void G4ParticleChangeForGamma::DumpInfo() cons << 162 if (!itsOK) {
113 { << 163 proposedKinEnergy = aTrack.GetKineticEnergy();
114 // use base-class DumpInfo << 164 }
115 G4VParticleChange::DumpInfo(); <<
116 165
117 G4long oldprc = G4cout.precision(8); << 166 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
118 G4cout << " --------------------------- << 167 return itsOK;
119 G4cout << " G4ParticleChangeForGamma <<
120 G4cout << " Kinetic Energy (MeV): " < <<
121 << proposedKinEnergy / MeV << G4endl; <<
122 G4cout << " Momentum Direction: " << <<
123 << proposedMomentumDirection << G4end <<
124 G4cout << " Polarization: " << std::s <<
125 << G4endl; <<
126 G4cout.precision(oldprc); <<
127 } 168 }
128 <<
129 169