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25 // 25 //
26 // G4ParticleChangeForLoss class implementatio <<
27 // 26 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 27 // $Id: G4ParticleChangeForLoss.cc,v 1.16 2006/08/28 16:10:29 vnivanch Exp $
29 // Revision: Vladimir Ivantchenko, 16 January << 28 // GEANT4 tag $Name: geant4-08-02 $
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 // ------------------------------------------- << 51 G4ParticleChangeForLoss::G4ParticleChangeForLoss():G4VParticleChange()
37 G4ParticleChangeForLoss::G4ParticleChangeForLo <<
38 { 52 {
39 // Disable flag that is enabled in G4VPartic << 53 theSteppingControlFlag = NormalCondition;
40 debugFlag = false; 54 debugFlag = false;
41 SetNumberOfSecondaries(1); << 55 #ifdef G4VERBOSE
>> 56 if (verboseLevel>2) {
>> 57 G4cout << "G4ParticleChangeForLoss::G4ParticleChangeForLoss() " << G4endl;
>> 58 }
>> 59 #endif
42 } 60 }
43 61
44 // ------------------------------------------- << 62 G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
45 void G4ParticleChangeForLoss::DumpInfo() const <<
46 { 63 {
47 // use base-class DumpInfo << 64 #ifdef G4VERBOSE
48 G4VParticleChange::DumpInfo(); << 65 if (verboseLevel>2) {
49 << 66 G4cout << "G4ParticleChangeForLoss::~G4ParticleChangeForLoss() " << G4endl;
50 G4long oldprc = G4cout.precision(8); << 67 }
51 G4cout << " --------------------------- << 68 #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 } 69 }
65 70
66 // ------------------------------------------- << 71 G4ParticleChangeForLoss::G4ParticleChangeForLoss(
67 G4Step* G4ParticleChangeForLoss::UpdateStepFor << 72 const G4ParticleChangeForLoss &right): G4VParticleChange(right)
68 { 73 {
69 const G4StepPoint* pPreStepPoint = pStep->Ge << 74 if (verboseLevel>1) {
70 G4StepPoint* pPostStepPoint = pStep->GetPost << 75 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 } 76 }
>> 77 currentTrack = right.currentTrack;
>> 78 proposedKinEnergy = right.proposedKinEnergy;
>> 79 currentCharge = right.currentCharge;
>> 80 proposedMomentumDirection = right.proposedMomentumDirection;
>> 81 }
92 82
93 if(isParentWeightProposed) << 83 // assignment operator
94 { << 84 G4ParticleChangeForLoss & G4ParticleChangeForLoss::operator=(
95 pPostStepPoint->SetWeight(theParentWeight) << 85 const G4ParticleChangeForLoss &right)
>> 86 {
>> 87 if (verboseLevel>1) {
>> 88 G4cout << "G4ParticleChangeForLoss:: assignment operator is called " << G4endl;
>> 89 }
>> 90 if (this != &right) {
>> 91 theListOfSecondaries = right.theListOfSecondaries;
>> 92 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 93 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 94 theStatusChange = right.theStatusChange;
>> 95 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 96 theSteppingControlFlag = right.theSteppingControlFlag;
>> 97 theParentWeight = right.theParentWeight;
>> 98
>> 99 currentTrack = right.currentTrack;
>> 100 proposedKinEnergy = right.proposedKinEnergy;
>> 101 currentCharge = right.currentCharge;
>> 102 proposedMomentumDirection = right.proposedMomentumDirection;
96 } 103 }
>> 104 return *this;
>> 105 }
>> 106
>> 107 //----------------------------------------------------------------
>> 108 // methods for printing messages
>> 109 //
97 110
98 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 111 void G4ParticleChangeForLoss::DumpInfo() const
99 pStep->AddNonIonizingEnergyDeposit(theNonIon << 112 {
100 return pStep; << 113 // use base-class DumpInfo
>> 114 G4VParticleChange::DumpInfo();
>> 115
>> 116 G4cout.precision(3);
>> 117 G4cout << " Charge (eplus) : "
>> 118 << std::setw(20) << currentCharge/eplus
>> 119 << G4endl;
>> 120 G4cout << " Kinetic Energy (MeV): "
>> 121 << std::setw(20) << proposedKinEnergy/MeV
>> 122 << G4endl;
>> 123 G4cout << " Momentum Direct - x : "
>> 124 << std::setw(20) << proposedMomentumDirection.x()
>> 125 << G4endl;
>> 126 G4cout << " Momentum Direct - y : "
>> 127 << std::setw(20) << proposedMomentumDirection.y()
>> 128 << G4endl;
>> 129 G4cout << " Momentum Direct - z : "
>> 130 << std::setw(20) << proposedMomentumDirection.z()
>> 131 << G4endl;
101 } 132 }
102 133
103 // ------------------------------------------- << 134 G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
104 G4Step* G4ParticleChangeForLoss::UpdateStepFor <<
105 { 135 {
106 G4StepPoint* pPostStepPoint = pStep->GetPost << 136 G4bool itsOK = true;
>> 137 G4bool exitWithError = false;
107 138
108 pPostStepPoint->SetCharge(currentCharge); << 139 G4double accuracy;
109 pPostStepPoint->SetMomentumDirection(propose <<
110 if(proposedKinEnergy > 0.0) <<
111 { <<
112 pPostStepPoint->SetKineticEnergy(proposedK <<
113 140
114 // assuming that mass>0, zero mass particl << 141 // Energy should not be lager than initial value
115 pPostStepPoint->SetVelocity(CLHEP::c_light << 142 accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
>> 143 if (accuracy > accuracyForWarning) {
>> 144 #ifdef G4VERBOSE
>> 145 G4cout << "G4ParticleChangeForLoss::CheckIt: ";
>> 146 G4cout << "KinEnergy become larger than the initial value!" << G4endl;
>> 147 G4cout << " Difference: " << accuracy << "[MeV] " <<G4endl;
>> 148 #endif
>> 149 itsOK = false;
>> 150 if (accuracy > accuracyForException) exitWithError = true;
116 } 151 }
117 else << 152
118 { << 153 // dump out information of this particle change
119 pPostStepPoint->SetKineticEnergy(0.0); << 154 #ifdef G4VERBOSE
120 pPostStepPoint->SetVelocity(0.0); << 155 if (!itsOK) {
>> 156 G4cout << "G4ParticleChangeForLoss::CheckIt " << G4endl;
>> 157 DumpInfo();
>> 158 }
>> 159 #endif
>> 160
>> 161 // Exit with error
>> 162 if (exitWithError) {
>> 163 G4Exception("G4ParticleChangeForLoss::CheckIt",
>> 164 "400",
>> 165 EventMustBeAborted,
>> 166 "energy was illegal");
121 } 167 }
122 pPostStepPoint->SetPolarization(proposedPola <<
123 168
124 if(isParentWeightProposed) << 169 //correction
125 { << 170 if (!itsOK) {
126 pPostStepPoint->SetWeight(theParentWeight) << 171 proposedKinEnergy = aTrack.GetKineticEnergy();
127 } 172 }
128 173
129 pStep->AddTotalEnergyDeposit(theLocalEnergyD << 174 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
130 pStep->AddNonIonizingEnergyDeposit(theNonIon << 175 return itsOK;
131 return pStep; <<
132 } 176 }
133 177