Gabriele Cosmo
268 lines
9.1 KiB
C++
268 lines
9.1 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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//
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// --------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// ------------------------------------------------------------
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// Implemented for the new scheme 23 Mar. 1998 H.Kurahige
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// --------------------------------------------------------------
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//
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// Modified:
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// 16.01.04 V.Ivanchenko update for model variant of energy loss
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// 15.04.05 V.Ivanchenko inline update methods
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// 28.08.06 V.Ivanchenko Add access to current track and polarizaion
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//
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// ------------------------------------------------------------
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//
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#include "G4ParticleChangeForLoss.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4DynamicParticle.hh"
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#include "G4ExceptionSeverity.hh"
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//#include "G4VelocityTable.hh"
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G4ParticleChangeForLoss::G4ParticleChangeForLoss()
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: G4VParticleChange(), currentTrack(0), proposedKinEnergy(0.),
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lowEnergyLimit(1.0*eV), currentCharge(0.)
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{
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theSteppingControlFlag = NormalCondition;
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debugFlag = false;
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#ifdef G4VERBOSE
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if (verboseLevel>2) {
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G4cout << "G4ParticleChangeForLoss::G4ParticleChangeForLoss() " << G4endl;
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}
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#endif
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}
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G4ParticleChangeForLoss::~G4ParticleChangeForLoss()
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{
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#ifdef G4VERBOSE
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if (verboseLevel>2) {
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G4cout << "G4ParticleChangeForLoss::~G4ParticleChangeForLoss() " << G4endl;
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}
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#endif
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}
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G4ParticleChangeForLoss::
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G4ParticleChangeForLoss(const G4ParticleChangeForLoss &right)
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: G4VParticleChange(right)
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{
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if (verboseLevel>1) {
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G4cout << "G4ParticleChangeForLoss:: copy constructor is called " << G4endl;
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}
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currentTrack = right.currentTrack;
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proposedKinEnergy = right.proposedKinEnergy;
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lowEnergyLimit = right.lowEnergyLimit;
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currentCharge = right.currentCharge;
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proposedMomentumDirection = right.proposedMomentumDirection;
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}
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// assignment operator
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G4ParticleChangeForLoss & G4ParticleChangeForLoss::operator=(
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const G4ParticleChangeForLoss &right)
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{
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#ifdef G4VERBOSE
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if (verboseLevel>1) {
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G4cout << "G4ParticleChangeForLoss:: assignment operator is called " << G4endl;
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}
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#endif
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if (this != &right) {
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if (theNumberOfSecondaries>0) {
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#ifdef G4VERBOSE
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if (verboseLevel>0) {
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G4cout << "G4ParticleChangeForLoss: assignment operator Warning ";
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G4cout << "theListOfSecondaries is not empty ";
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}
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#endif
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for (G4int index= 0; index<theNumberOfSecondaries; index++){
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if ( (*theListOfSecondaries)[index] ) delete (*theListOfSecondaries)[index] ;
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}
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}
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delete theListOfSecondaries;
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theListOfSecondaries = new G4TrackFastVector();
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theNumberOfSecondaries = right.theNumberOfSecondaries;
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for (G4int index = 0; index<theNumberOfSecondaries; index++){
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G4Track* newTrack = new G4Track(*((*right.theListOfSecondaries)[index] ));
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theListOfSecondaries->SetElement(index, newTrack); }
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theStatusChange = right.theStatusChange;
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theLocalEnergyDeposit = right.theLocalEnergyDeposit;
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theSteppingControlFlag = right.theSteppingControlFlag;
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theParentWeight = right.theParentWeight;
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isParentWeightProposed = right.isParentWeightProposed;
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fSetSecondaryWeightByProcess = right.fSetSecondaryWeightByProcess;
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currentTrack = right.currentTrack;
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proposedKinEnergy = right.proposedKinEnergy;
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currentCharge = right.currentCharge;
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proposedMomentumDirection = right.proposedMomentumDirection;
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}
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return *this;
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}
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//----------------------------------------------------------------
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// methods for printing messages
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//
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void G4ParticleChangeForLoss::DumpInfo() const
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{
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// use base-class DumpInfo
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G4VParticleChange::DumpInfo();
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G4int oldprc = G4cout.precision(3);
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G4cout << " Charge (eplus) : "
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<< std::setw(20) << currentCharge/eplus
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<< G4endl;
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G4cout << " Kinetic Energy (MeV): "
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<< std::setw(20) << proposedKinEnergy/MeV
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<< G4endl;
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G4cout << " Momentum Direct - x : "
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<< std::setw(20) << proposedMomentumDirection.x()
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<< G4endl;
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G4cout << " Momentum Direct - y : "
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<< std::setw(20) << proposedMomentumDirection.y()
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<< G4endl;
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G4cout << " Momentum Direct - z : "
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<< std::setw(20) << proposedMomentumDirection.z()
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<< G4endl;
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G4cout.precision(oldprc);
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}
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G4bool G4ParticleChangeForLoss::CheckIt(const G4Track& aTrack)
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{
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G4bool itsOK = true;
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G4bool exitWithError = false;
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G4double accuracy;
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// Energy should not be lager than initial value
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accuracy = ( proposedKinEnergy - aTrack.GetKineticEnergy())/MeV;
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if (accuracy > accuracyForWarning) {
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itsOK = false;
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exitWithError = (accuracy > accuracyForException);
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#ifdef G4VERBOSE
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G4cout << "G4ParticleChangeForLoss::CheckIt: ";
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G4cout << "KinEnergy become larger than the initial value!"
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<< " Difference: " << accuracy << "[MeV] " <<G4endl;
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G4cout << aTrack.GetDefinition()->GetParticleName()
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<< " E=" << aTrack.GetKineticEnergy()/MeV
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<< " pos=" << aTrack.GetPosition().x()/m
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<< ", " << aTrack.GetPosition().y()/m
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<< ", " << aTrack.GetPosition().z()/m
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<<G4endl;
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#endif
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}
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// dump out information of this particle change
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#ifdef G4VERBOSE
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if (!itsOK) DumpInfo();
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#endif
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// Exit with error
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if (exitWithError) {
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G4Exception("G4ParticleChangeForLoss::CheckIt",
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"TRACK004", EventMustBeAborted,
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"energy was illegal");
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}
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//correction
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if (!itsOK) {
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proposedKinEnergy = aTrack.GetKineticEnergy();
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}
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itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
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return itsOK;
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}
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//----------------------------------------------------------------
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// methods for updating G4Step
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//
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G4Step* G4ParticleChangeForLoss::UpdateStepForAlongStep(G4Step* pStep)
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{
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
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G4Track* pTrack = pStep->GetTrack();
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// accumulate change of the kinetic energy
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G4double preKinEnergy = pPreStepPoint->GetKineticEnergy();
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G4double kinEnergy = pPostStepPoint->GetKineticEnergy() +
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(proposedKinEnergy - preKinEnergy);
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// update kinetic energy and charge
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if (kinEnergy < lowEnergyLimit) {
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theLocalEnergyDeposit += kinEnergy;
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kinEnergy = 0.0;
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pPostStepPoint->SetVelocity(0.0);
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} else {
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pPostStepPoint->SetCharge( currentCharge );
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// calculate velocity
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pTrack->SetKineticEnergy(kinEnergy);
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pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
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pTrack->SetKineticEnergy(preKinEnergy);
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}
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pPostStepPoint->SetKineticEnergy( kinEnergy );
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if (isParentWeightProposed ){
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pPostStepPoint->SetWeight( theParentWeight );
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}
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pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
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pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
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return pStep;
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}
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G4Step* G4ParticleChangeForLoss::UpdateStepForPostStep(G4Step* pStep)
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{
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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G4Track* pTrack = pStep->GetTrack();
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pPostStepPoint->SetCharge( currentCharge );
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pPostStepPoint->SetMomentumDirection( proposedMomentumDirection );
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pPostStepPoint->SetKineticEnergy( proposedKinEnergy );
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pTrack->SetKineticEnergy( proposedKinEnergy );
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if(proposedKinEnergy > 0.0) {
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pPostStepPoint->SetVelocity(pTrack->CalculateVelocity());
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} else {
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pPostStepPoint->SetVelocity(0.0);
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}
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pPostStepPoint->SetPolarization( proposedPolarization );
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if (isParentWeightProposed ){
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pPostStepPoint->SetWeight( theParentWeight );
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}
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pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
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pStep->AddNonIonizingEnergyDeposit( theNonIonizingEnergyDeposit );
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return pStep;
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}
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