Gabriele Cosmo
215 lines
6.8 KiB
C++
215 lines
6.8 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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// $Id: G4ParticleChangeForDecay.cc,v 1.11 2006/06/29 21:15:03 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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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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//
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// ------------------------------------------------------------
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// Implemented for the new scheme 23 Mar. 1998 H.Kurahige
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// Remove modification of energy/momentum 20 Jul, 1998 H.Kurashige
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// --------------------------------------------------------------
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#include "G4ParticleChangeForDecay.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4TrackFastVector.hh"
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#include "G4DynamicParticle.hh"
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#include "G4ExceptionSeverity.hh"
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G4ParticleChangeForDecay::G4ParticleChangeForDecay():G4VParticleChange()
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{
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#ifdef G4VERBOSE
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if (verboseLevel>2) {
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G4cout << "G4ParticleChangeForDecay::G4ParticleChangeForDecay() " << G4endl;
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}
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#endif
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}
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G4ParticleChangeForDecay::~G4ParticleChangeForDecay()
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{
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#ifdef G4VERBOSE
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if (verboseLevel>2) {
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G4cout << "G4ParticleChangeForDecay::~G4ParticleChangeForDecay() " << G4endl;
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}
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#endif
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}
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// copy and assignment operators are implemented as "shallow copy"
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G4ParticleChangeForDecay::G4ParticleChangeForDecay(const G4ParticleChangeForDecay &right): G4VParticleChange(right)
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{
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theTimeChange = right.theTimeChange;
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thePolarizationChange = right.thePolarizationChange;
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}
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G4ParticleChangeForDecay & G4ParticleChangeForDecay::operator=(const G4ParticleChangeForDecay &right)
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{
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if (this != &right){
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theListOfSecondaries = right.theListOfSecondaries;
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theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
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theNumberOfSecondaries = right.theNumberOfSecondaries;
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theStatusChange = right.theStatusChange;
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theTrueStepLength = right.theTrueStepLength;
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theLocalEnergyDeposit = right.theLocalEnergyDeposit;
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theSteppingControlFlag = right.theSteppingControlFlag;
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theTimeChange = right.theTimeChange;
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thePolarizationChange = right.thePolarizationChange;
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}
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return *this;
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}
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G4bool G4ParticleChangeForDecay::operator==(const G4ParticleChangeForDecay &right) const
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{
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return ((G4VParticleChange *)this == (G4VParticleChange *) &right);
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}
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G4bool G4ParticleChangeForDecay::operator!=(const G4ParticleChangeForDecay &right) const
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{
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return ((G4VParticleChange *)this != (G4VParticleChange *) &right);
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}
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//----------------------------------------------------------------
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// methods for Initialization
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//
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void G4ParticleChangeForDecay::Initialize(const G4Track& track)
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{
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// use base class's method at first
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G4VParticleChange::Initialize(track);
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const G4DynamicParticle* pParticle = track.GetDynamicParticle();
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// set Time e equal to those of the parent track
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theTimeChange = track.GetGlobalTime();
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// set the Polarization equal to those of the parent track
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thePolarizationChange = pParticle->GetPolarization();
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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* G4ParticleChangeForDecay::UpdateStepForPostStep(G4Step* pStep)
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{
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// Update the G4Step specific attributes
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return UpdateStepInfo(pStep);
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}
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G4Step* G4ParticleChangeForDecay::UpdateStepForAtRest(G4Step* pStep)
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{
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// A physics process always calculates the final state of the particle
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G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
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G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
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// update polarization
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pPostStepPoint->SetPolarization( thePolarizationChange );
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// update time
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pPostStepPoint->SetGlobalTime( theTimeChange );
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pPostStepPoint->AddLocalTime( theTimeChange
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- pPreStepPoint->GetGlobalTime());
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pPostStepPoint->AddProperTime( theTimeChange
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- pPreStepPoint->GetGlobalTime());
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#ifdef G4VERBOSE
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G4Track* aTrack = pStep->GetTrack();
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if (debugFlag) CheckIt(*aTrack);
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#endif
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// Update the G4Step specific attributes
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return UpdateStepInfo(pStep);
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}
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void G4ParticleChangeForDecay::DumpInfo() const
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{
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// Show header
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G4VParticleChange::DumpInfo();
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G4cout.precision(3);
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G4cout << " Time (ns) : "
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<< std::setw(20) << theTimeChange/ns
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<< G4endl;
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}
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G4bool G4ParticleChangeForDecay::CheckIt(const G4Track& aTrack)
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{
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G4bool exitWithError = false;
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G4double accuracy;
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// global time should not go back
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G4bool itsOK =true;
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accuracy = -1.0*(theTimeChange - aTrack.GetGlobalTime())/ns;
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if (accuracy > accuracyForWarning) {
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#ifdef G4VERBOSE
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G4cout << " G4ParticleChangeForDecay::CheckIt : ";
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G4cout << "the global time goes back !!" << G4endl;
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G4cout << " Difference: " << accuracy << "[ns] " <<G4endl;
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#endif
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itsOK = false;
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if (accuracy > accuracyForException) exitWithError = true;
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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) {
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G4cout << " G4ParticleChangeForDecay::CheckIt " <<G4endl;
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DumpInfo();
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}
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#endif
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// Exit with error
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if (exitWithError) {
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G4Exception("G4ParticleChangeForDecay::CheckIt",
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"500",
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EventMustBeAborted,
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"time was illegal");
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}
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// correction
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if (!itsOK) {
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theTimeChange = aTrack.GetGlobalTime();
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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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