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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // G4ParticleChangeForMSC class implementation << 27 // 26 // 28 // Author: Hisaya Kurashige, 23 March 1998 << 27 // $Id: G4ParticleChangeForMSC.cc 68795 2013-04-05 13:24:46Z gcosmo $ 29 // Revision: Vladimir Ivantchenko, 16 January << 28 // 30 // 23 August 2 << 29 // 31 // ------------------------------------------- << 30 // -------------------------------------------------------------- >> 31 // GEANT 4 class implementation file >> 32 // >> 33 // >> 34 // >> 35 // ------------------------------------------------------------ >> 36 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige >> 37 // Update for model variant of msc 16 Jan 2004 V.Ivanchenko >> 38 // -------------------------------------------------------------- 32 39 33 #include "G4ParticleChangeForMSC.hh" 40 #include "G4ParticleChangeForMSC.hh" 34 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh" 35 #include "G4Track.hh" 42 #include "G4Track.hh" 36 #include "G4Step.hh" 43 #include "G4Step.hh" >> 44 #include "G4DynamicParticle.hh" 37 #include "G4ExceptionSeverity.hh" 45 #include "G4ExceptionSeverity.hh" 38 46 39 // ------------------------------------------- << 47 G4ParticleChangeForMSC::G4ParticleChangeForMSC() 40 G4ParticleChangeForMSC::G4ParticleChangeForMSC << 48 : G4VParticleChange() >> 49 { >> 50 #ifdef G4VERBOSE >> 51 if (verboseLevel>2) { >> 52 G4cout << "G4ParticleChangeForMSC::G4ParticleChangeForMSC() " << G4endl; >> 53 } >> 54 #endif >> 55 } >> 56 >> 57 G4ParticleChangeForMSC::~G4ParticleChangeForMSC() >> 58 { >> 59 #ifdef G4VERBOSE >> 60 if (verboseLevel>2) { >> 61 G4cout << "G4ParticleChangeForMSC::~G4ParticleChangeForMSC() " << G4endl; >> 62 } >> 63 #endif >> 64 } >> 65 >> 66 G4ParticleChangeForMSC:: >> 67 G4ParticleChangeForMSC(const G4ParticleChangeForMSC &right) >> 68 : G4VParticleChange(right) >> 69 { >> 70 if (verboseLevel>1) { >> 71 G4cout << "G4ParticleChangeForMSC:: copy constructor is called " << G4endl; >> 72 } >> 73 theMomentumDirection = right.theMomentumDirection; >> 74 thePosition = right.thePosition; >> 75 } >> 76 >> 77 // assignment operator >> 78 G4ParticleChangeForMSC & G4ParticleChangeForMSC::operator=( >> 79 const G4ParticleChangeForMSC &right) 41 { 80 { 42 // Disable flag that is enabled in G4VPartic << 81 if (verboseLevel>1) { 43 debugFlag = false; << 82 G4cout << "G4ParticleChangeForMSC:: assignment operator is called " << G4endl; >> 83 } >> 84 if (this != &right) >> 85 { >> 86 theListOfSecondaries = right.theListOfSecondaries; >> 87 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries; >> 88 theNumberOfSecondaries = right.theNumberOfSecondaries; >> 89 theStatusChange = right.theStatusChange; >> 90 theLocalEnergyDeposit = right.theLocalEnergyDeposit; >> 91 theSteppingControlFlag = right.theSteppingControlFlag; >> 92 theTrueStepLength = right.theTrueStepLength; >> 93 >> 94 theMomentumDirection = right.theMomentumDirection; >> 95 thePosition = right.thePosition; >> 96 } >> 97 return *this; 44 } 98 } 45 99 46 // ------------------------------------------- << 100 //---------------------------------------------------------------- >> 101 // methods for updating G4Step >> 102 // >> 103 47 G4Step* G4ParticleChangeForMSC::UpdateStepForA 104 G4Step* G4ParticleChangeForMSC::UpdateStepForAlongStep(G4Step* pStep) 48 { 105 { 49 // update the G4Step specific attributes << 106 // Update the G4Step specific attributes 50 pStep->SetStepLength(theTrueStepLength); 107 pStep->SetStepLength(theTrueStepLength); >> 108 theStatusChange = pStep->GetTrack()->GetTrackStatus(); >> 109 >> 110 // Multiple scattering calculates the final state of the particle >> 111 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); >> 112 >> 113 // update momentum direction >> 114 pPostStepPoint->SetMomentumDirection(theMomentumDirection); >> 115 >> 116 // update position >> 117 pPostStepPoint->SetPosition( thePosition ); >> 118 return pStep; >> 119 } 51 120 52 // multiple scattering calculates the final << 121 G4Step* G4ParticleChangeForMSC::UpdateStepForPostStep(G4Step* pStep) >> 122 { >> 123 // Multiple scattering calculates the final state of the particle 53 G4StepPoint* pPostStepPoint = pStep->GetPost 124 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); 54 125 55 // update momentum direction 126 // update momentum direction 56 pPostStepPoint->SetMomentumDirection(theMome 127 pPostStepPoint->SetMomentumDirection(theMomentumDirection); 57 128 58 // update position 129 // update position 59 pPostStepPoint->SetPosition(thePosition); << 130 pPostStepPoint->SetPosition( thePosition ); >> 131 >> 132 // Update the G4Step specific attributes 60 return pStep; 133 return pStep; 61 } 134 } >> 135 >> 136 >> 137 //---------------------------------------------------------------- >> 138 // methods for printing messages >> 139 // >> 140 >> 141 void G4ParticleChangeForMSC::DumpInfo() const >> 142 { >> 143 // use base-class DumpInfo >> 144 G4VParticleChange::DumpInfo(); >> 145 >> 146 G4int oldprc = G4cout.precision(3); >> 147 G4cout << " Position - x (mm) : " >> 148 << std::setw(20) << thePosition.x()/mm >> 149 << G4endl; >> 150 G4cout << " Position - y (mm) : " >> 151 << std::setw(20) << thePosition.y()/mm >> 152 << G4endl; >> 153 G4cout << " Position - z (mm) : " >> 154 << std::setw(20) << thePosition.z()/mm >> 155 << G4endl; >> 156 G4cout << " Momentum Direct - x : " >> 157 << std::setw(20) << theMomentumDirection.x() >> 158 << G4endl; >> 159 G4cout << " Momentum Direct - y : " >> 160 << std::setw(20) << theMomentumDirection.y() >> 161 << G4endl; >> 162 G4cout << " Momentum Direct - z : " >> 163 << std::setw(20) << theMomentumDirection.z() >> 164 << G4endl; >> 165 G4cout.precision(oldprc); >> 166 } >> 167 >> 168 >> 169 G4bool G4ParticleChangeForMSC::CheckIt(const G4Track& aTrack) >> 170 { >> 171 G4bool itsOK = true; >> 172 G4bool exitWithError = false; >> 173 >> 174 G4double accuracy; >> 175 >> 176 // check >> 177 >> 178 // MomentumDirection should be unit vector >> 179 accuracy = std::fabs(theMomentumDirection.mag2()-1.0); >> 180 if (accuracy > accuracyForWarning) { >> 181 itsOK = false; >> 182 exitWithError = (accuracy > accuracyForException); >> 183 #ifdef G4VERBOSE >> 184 G4cout << " G4ParticleChangeForMSC::CheckIt : "; >> 185 G4cout << "the Momentum Change is not unit vector !!" >> 186 << " Difference: " << accuracy << G4endl; >> 187 G4cout << aTrack.GetDefinition()->GetParticleName() >> 188 << " E=" << aTrack.GetKineticEnergy()/MeV >> 189 << " pos=" << aTrack.GetPosition().x()/m >> 190 << ", " << aTrack.GetPosition().y()/m >> 191 << ", " << aTrack.GetPosition().z()/m >> 192 <<G4endl; >> 193 #endif >> 194 } >> 195 >> 196 // dump out information of this particle change >> 197 #ifdef G4VERBOSE >> 198 if (!itsOK) DumpInfo(); >> 199 #endif >> 200 >> 201 // Exit with error >> 202 if (exitWithError) { >> 203 G4Exception("G4ParticleChangeForMSC::CheckIt", >> 204 "300", >> 205 EventMustBeAborted, >> 206 "momentum direction was illegal"); >> 207 } >> 208 //correction >> 209 if (!itsOK) { >> 210 G4double vmag = theMomentumDirection.mag(); >> 211 theMomentumDirection = (1./vmag)*theMomentumDirection; >> 212 } >> 213 >> 214 itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack); >> 215 return itsOK; >> 216 } >> 217 >> 218 >> 219 62 220 63 221