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25 // 22 //
26 // G4ParticleChangeForMSC class implementation <<
27 // 23 //
28 // Author: Hisaya Kurashige, 23 March 1998 << 24 // $Id: G4ParticleChangeForMSC.cc,v 1.11 2004/01/20 15:29:41 vnivanch Exp $
29 // Revision: Vladimir Ivantchenko, 16 January << 25 // GEANT4 tag $Name: geant4-06-01 $
30 // 23 August 2 << 26 //
31 // ------------------------------------------- << 27 //
>> 28 // --------------------------------------------------------------
>> 29 // GEANT 4 class implementation file
>> 30 //
>> 31 //
>> 32 //
>> 33 // ------------------------------------------------------------
>> 34 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
>> 35 // Update for model variant of msc 16 Jan 2004 V.Ivanchenko
>> 36 // --------------------------------------------------------------
32 37
33 #include "G4ParticleChangeForMSC.hh" 38 #include "G4ParticleChangeForMSC.hh"
34 #include "G4SystemOfUnits.hh" <<
35 #include "G4Track.hh" 39 #include "G4Track.hh"
36 #include "G4Step.hh" 40 #include "G4Step.hh"
>> 41 #include "G4DynamicParticle.hh"
37 #include "G4ExceptionSeverity.hh" 42 #include "G4ExceptionSeverity.hh"
38 43
39 // ------------------------------------------- << 44 G4ParticleChangeForMSC::G4ParticleChangeForMSC():G4VParticleChange()
40 G4ParticleChangeForMSC::G4ParticleChangeForMSC << 45 {
>> 46 #ifdef G4VERBOSE
>> 47 if (verboseLevel>2) {
>> 48 G4cout << "G4ParticleChangeForMSC::G4ParticleChangeForMSC() " << G4endl;
>> 49 }
>> 50 #endif
>> 51 }
>> 52
>> 53 G4ParticleChangeForMSC::~G4ParticleChangeForMSC()
>> 54 {
>> 55 #ifdef G4VERBOSE
>> 56 if (verboseLevel>2) {
>> 57 G4cout << "G4ParticleChangeForMSC::~G4ParticleChangeForMSC() " << G4endl;
>> 58 }
>> 59 #endif
>> 60 }
>> 61
>> 62 G4ParticleChangeForMSC::G4ParticleChangeForMSC(
>> 63 const G4ParticleChangeForMSC &right): G4VParticleChange(right)
>> 64 {
>> 65 if (verboseLevel>1) {
>> 66 G4cout << "G4ParticleChangeForMSC:: copy constructor is called " << G4endl;
>> 67 }
>> 68 theMomentumDirection = right.theMomentumDirection;
>> 69 thePosition = right.thePosition;
>> 70 }
>> 71
>> 72 // assignment operator
>> 73 G4ParticleChangeForMSC & G4ParticleChangeForMSC::operator=(
>> 74 const G4ParticleChangeForMSC &right)
41 { 75 {
42 // Disable flag that is enabled in G4VPartic << 76 if (verboseLevel>1) {
43 debugFlag = false; << 77 G4cout << "G4ParticleChangeForMSC:: assignment operator is called " << G4endl;
>> 78 }
>> 79 if (this != &right)
>> 80 {
>> 81 theListOfSecondaries = right.theListOfSecondaries;
>> 82 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 83 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 84 theStatusChange = right.theStatusChange;
>> 85 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 86 theSteppingControlFlag = right.theSteppingControlFlag;
>> 87 theTrueStepLength = right.theTrueStepLength;
>> 88
>> 89 theMomentumDirection = right.theMomentumDirection;
>> 90 thePosition = right.thePosition;
>> 91 }
>> 92 return *this;
44 } 93 }
45 94
46 // ------------------------------------------- << 95 //----------------------------------------------------------------
>> 96 // methods for updating G4Step
>> 97 //
>> 98
47 G4Step* G4ParticleChangeForMSC::UpdateStepForA 99 G4Step* G4ParticleChangeForMSC::UpdateStepForAlongStep(G4Step* pStep)
48 { 100 {
49 // update the G4Step specific attributes << 101 // Update the G4Step specific attributes
50 pStep->SetStepLength(theTrueStepLength); 102 pStep->SetStepLength(theTrueStepLength);
>> 103 theStatusChange = pStep->GetTrack()->GetTrackStatus();
>> 104 return pStep;
>> 105 }
51 106
52 // multiple scattering calculates the final << 107 G4Step* G4ParticleChangeForMSC::UpdateStepForPostStep(G4Step* pStep)
>> 108 {
>> 109 // A physics process always calculates the final state of the particle
53 G4StepPoint* pPostStepPoint = pStep->GetPost 110 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
54 111
55 // update momentum direction 112 // update momentum direction
56 pPostStepPoint->SetMomentumDirection(theMome 113 pPostStepPoint->SetMomentumDirection(theMomentumDirection);
57 114
58 // update position 115 // update position
59 pPostStepPoint->SetPosition(thePosition); << 116 pPostStepPoint->SetPosition( thePosition );
>> 117
>> 118 // Update the G4Step specific attributes
60 return pStep; 119 return pStep;
61 } 120 }
>> 121
>> 122
>> 123 //----------------------------------------------------------------
>> 124 // methods for printing messages
>> 125 //
>> 126
>> 127 void G4ParticleChangeForMSC::DumpInfo() const
>> 128 {
>> 129 // use base-class DumpInfo
>> 130 G4VParticleChange::DumpInfo();
>> 131
>> 132 G4cout.precision(3);
>> 133 G4cout << " Position - x (mm) : "
>> 134 << std::setw(20) << thePosition.x()/mm
>> 135 << G4endl;
>> 136 G4cout << " Position - y (mm) : "
>> 137 << std::setw(20) << thePosition.y()/mm
>> 138 << G4endl;
>> 139 G4cout << " Position - z (mm) : "
>> 140 << std::setw(20) << thePosition.z()/mm
>> 141 << G4endl;
>> 142 G4cout << " Momentum Direct - x : "
>> 143 << std::setw(20) << theMomentumDirection.x()
>> 144 << G4endl;
>> 145 G4cout << " Momentum Direct - y : "
>> 146 << std::setw(20) << theMomentumDirection.y()
>> 147 << G4endl;
>> 148 G4cout << " Momentum Direct - z : "
>> 149 << std::setw(20) << theMomentumDirection.z()
>> 150 << G4endl;
>> 151 }
>> 152
>> 153
>> 154 G4bool G4ParticleChangeForMSC::CheckIt(const G4Track& aTrack)
>> 155 {
>> 156 G4bool itsOK = true;
>> 157 G4bool exitWithError = false;
>> 158
>> 159 G4double accuracy;
>> 160
>> 161 // check
>> 162
>> 163 // MomentumDirection should be unit vector
>> 164 accuracy = abs(theMomentumDirection.mag2()-1.0);
>> 165 if (accuracy > accuracyForWarning) {
>> 166 #ifdef G4VERBOSE
>> 167 G4cout << " G4ParticleChangeForMSC::CheckIt : ";
>> 168 G4cout << "the Momentum Change is not unit vector !!" << G4endl;
>> 169 G4cout << " Difference: " << accuracy << G4endl;
>> 170 #endif
>> 171 itsOK = false;
>> 172 if (accuracy > accuracyForException) exitWithError = true;
>> 173 }
>> 174
>> 175 // dump out information of this particle change
>> 176 #ifdef G4VERBOSE
>> 177 if (!itsOK) {
>> 178 G4cout << " G4ParticleChangeForMSC::CheckIt " <<G4endl;
>> 179 DumpInfo();
>> 180 }
>> 181 #endif
>> 182
>> 183 // Exit with error
>> 184 if (exitWithError) {
>> 185 G4Exception("G4ParticleChangeForMSC::CheckIt",
>> 186 "300",
>> 187 EventMustBeAborted,
>> 188 "momentum direction was illegal");
>> 189 }
>> 190 //correction
>> 191 if (!itsOK) {
>> 192 G4double vmag = theMomentumDirection.mag();
>> 193 theMomentumDirection = (1./vmag)*theMomentumDirection;
>> 194 }
>> 195
>> 196 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
>> 197 return itsOK;
>> 198 }
>> 199
>> 200
>> 201
62 202
63 203