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25 // 25 //
26 // G4ParticleChangeForLoss class implementatio <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 // $Id: G4ParticleChangeForLoss.cc,v 1.17 2009/05/26 13:19:41 vnivanch Exp $
29 // Revision: Vladimir Ivantchenko, 16 January << 28 // GEANT4 tag $Name: geant4-09-03 $
30 // ------------------------------------------- << 29 //
31 << 30 //
>> 31 // --------------------------------------------------------------
>> 32 // GEANT 4 class implementation file
>> 33 //
>> 34 // ------------------------------------------------------------
>> 35 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
>> 36 // --------------------------------------------------------------
>> 37 //
>> 38 // Modified:
>> 39 // 16.01.04 V.Ivanchenko update for model variant of energy loss
>> 40 // 15.04.05 V.Ivanchenko inline update methods
>> 41 // 28.08.06 V.Ivanchenko Add access to current track and polarizaion
>> 42 //
>> 43 // ------------------------------------------------------------
>> 44 //
32 #include "G4ParticleChangeForLoss.hh" 45 #include "G4ParticleChangeForLoss.hh"
33 #include "G4SystemOfUnits.hh" << 46 #include "G4Track.hh"
>> 47 #include "G4Step.hh"
>> 48 #include "G4DynamicParticle.hh"
34 #include "G4ExceptionSeverity.hh" 49 #include "G4ExceptionSeverity.hh"
35 50
36 // ------------------------------------------- <<
37 G4ParticleChangeForLoss::G4ParticleChangeForLo 51 G4ParticleChangeForLoss::G4ParticleChangeForLoss()
>> 52 :G4VParticleChange(), lowEnergyLimit(1.0*eV)
38 { 53 {
39 // Disable flag that is enabled in G4VPartic << 54 theSteppingControlFlag = NormalCondition;
40 debugFlag = false; 55 debugFlag = false;
41 SetNumberOfSecondaries(1); << 56 #ifdef G4VERBOSE
>> 57 if (verboseLevel>2) {
>> 58 G4cout << "G4ParticleChangeForLoss::G4ParticleChangeForLoss() " << G4endl;
>> 59 }
>> 60 #endif
42 } 61 }
43 62
44 // ------------------------------------------- << 63 G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
45 void G4ParticleChangeForLoss::DumpInfo() const <<
46 { 64 {
47 // use base-class DumpInfo << 65 #ifdef G4VERBOSE
48 G4VParticleChange::DumpInfo(); << 66 if (verboseLevel>2) {
49 << 67 G4cout << "G4ParticleChangeForLoss::~G4ParticleChangeForLoss() " << G4endl;
50 G4long oldprc = G4cout.precision(8); << 68 }
51 G4cout << " --------------------------- << 69 #endif
52 G4cout << " G4ParticleChangeForLoss p <<
53 G4cout << " Charge (eplus) : " << s <<
54 << currentCharge / eplus << G4endl; <<
55 G4cout << " Kinetic Energy (MeV): " < <<
56 << proposedKinEnergy / MeV << G4endl; <<
57 G4cout << " Momentum Direct - x : " < <<
58 << proposedMomentumDirection.x() << G <<
59 G4cout << " Momentum Direct - y : " < <<
60 << proposedMomentumDirection.y() << G <<
61 G4cout << " Momentum Direct - z : " < <<
62 << proposedMomentumDirection.z() << G <<
63 G4cout.precision(oldprc); <<
64 } 70 }
65 71
66 // ------------------------------------------- << 72 G4ParticleChangeForLoss::G4ParticleChangeForLoss(
67 G4Step* G4ParticleChangeForLoss::UpdateStepFor << 73 const G4ParticleChangeForLoss &right): G4VParticleChange(right)
68 { 74 {
69 const G4StepPoint* pPreStepPoint = pStep->Ge << 75 if (verboseLevel>1) {
70 G4StepPoint* pPostStepPoint = pStep->GetPost << 76 G4cout << "G4ParticleChangeForLoss:: copy constructor is called " << G4endl;
71 <<
72 // accumulate change of the kinetic energy <<
73 G4double preKinEnergy = pPreStepPoint->GetKi <<
74 G4double kinEnergy = <<
75 pPostStepPoint->GetKineticEnergy() + (prop <<
76 <<
77 pPostStepPoint->SetCharge(currentCharge); <<
78 <<
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 { <<
89 pPostStepPoint->SetKineticEnergy(0.0); <<
90 pPostStepPoint->SetVelocity(0.0); <<
91 } 77 }
>> 78 currentTrack = right.currentTrack;
>> 79 proposedKinEnergy = right.proposedKinEnergy;
>> 80 currentCharge = right.currentCharge;
>> 81 proposedMomentumDirection = right.proposedMomentumDirection;
>> 82 }
92 83
93 if(isParentWeightProposed) << 84 // assignment operator
94 { << 85 G4ParticleChangeForLoss & G4ParticleChangeForLoss::operator=(
95 pPostStepPoint->SetWeight(theParentWeight) << 86 const G4ParticleChangeForLoss &right)
>> 87 {
>> 88 if (verboseLevel>1) {
>> 89 G4cout << "G4ParticleChangeForLoss:: assignment operator is called " << G4endl;
>> 90 }
>> 91 if (this != &right) {
>> 92 theListOfSecondaries = right.theListOfSecondaries;
>> 93 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 94 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 95 theStatusChange = right.theStatusChange;
>> 96 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 97 theSteppingControlFlag = right.theSteppingControlFlag;
>> 98 theParentWeight = right.theParentWeight;
>> 99
>> 100 currentTrack = right.currentTrack;
>> 101 proposedKinEnergy = right.proposedKinEnergy;
>> 102 currentCharge = right.currentCharge;
>> 103 proposedMomentumDirection = right.proposedMomentumDirection;
96 } 104 }
>> 105 return *this;
>> 106 }
>> 107
>> 108 //----------------------------------------------------------------
>> 109 // methods for printing messages
>> 110 //
97 111
98 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 112 void G4ParticleChangeForLoss::DumpInfo() const
99 pStep->AddNonIonizingEnergyDeposit(theNonIon << 113 {
100 return pStep; << 114 // use base-class DumpInfo
>> 115 G4VParticleChange::DumpInfo();
>> 116
>> 117 G4cout.precision(3);
>> 118 G4cout << " Charge (eplus) : "
>> 119 << std::setw(20) << currentCharge/eplus
>> 120 << G4endl;
>> 121 G4cout << " Kinetic Energy (MeV): "
>> 122 << std::setw(20) << proposedKinEnergy/MeV
>> 123 << G4endl;
>> 124 G4cout << " Momentum Direct - x : "
>> 125 << std::setw(20) << proposedMomentumDirection.x()
>> 126 << G4endl;
>> 127 G4cout << " Momentum Direct - y : "
>> 128 << std::setw(20) << proposedMomentumDirection.y()
>> 129 << G4endl;
>> 130 G4cout << " Momentum Direct - z : "
>> 131 << std::setw(20) << proposedMomentumDirection.z()
>> 132 << G4endl;
101 } 133 }
102 134
103 // ------------------------------------------- << 135 G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
104 G4Step* G4ParticleChangeForLoss::UpdateStepFor <<
105 { 136 {
106 G4StepPoint* pPostStepPoint = pStep->GetPost << 137 G4bool itsOK = true;
>> 138 G4bool exitWithError = false;
107 139
108 pPostStepPoint->SetCharge(currentCharge); << 140 G4double accuracy;
109 pPostStepPoint->SetMomentumDirection(propose <<
110 if(proposedKinEnergy > 0.0) <<
111 { <<
112 pPostStepPoint->SetKineticEnergy(proposedK <<
113 141
114 // assuming that mass>0, zero mass particl << 142 // Energy should not be lager than initial value
115 pPostStepPoint->SetVelocity(CLHEP::c_light << 143 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
>> 144 if (accuracy > accuracyForWarning) {
>> 145 #ifdef G4VERBOSE
>> 146 G4cout << "G4ParticleChangeForLoss::CheckIt: ";
>> 147 G4cout << "KinEnergy become larger than the initial value!" << G4endl;
>> 148 G4cout << " Difference: " << accuracy << "[MeV] " <<G4endl;
>> 149 #endif
>> 150 itsOK = false;
>> 151 if (accuracy > accuracyForException) exitWithError = true;
116 } 152 }
117 else << 153
118 { << 154 // dump out information of this particle change
119 pPostStepPoint->SetKineticEnergy(0.0); << 155 #ifdef G4VERBOSE
120 pPostStepPoint->SetVelocity(0.0); << 156 if (!itsOK) {
>> 157 G4cout << "G4ParticleChangeForLoss::CheckIt " << G4endl;
>> 158 DumpInfo();
>> 159 }
>> 160 #endif
>> 161
>> 162 // Exit with error
>> 163 if (exitWithError) {
>> 164 G4Exception("G4ParticleChangeForLoss::CheckIt",
>> 165 "400",
>> 166 EventMustBeAborted,
>> 167 "energy was illegal");
121 } 168 }
122 pPostStepPoint->SetPolarization(proposedPola <<
123 169
124 if(isParentWeightProposed) << 170 //correction
125 { << 171 if (!itsOK) {
126 pPostStepPoint->SetWeight(theParentWeight) << 172 proposedKinEnergy = aTrack.GetKineticEnergy();
127 } 173 }
128 174
129 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 175 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
130 pStep->AddNonIonizingEnergyDeposit(theNonIon << 176 return itsOK;
131 return pStep; <<
132 } 177 }
133 178