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9.6.p02
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geant4_9_6_p02
source
track
src
G4ParticleChangeForDecay.cc
Go to the documentation of this file.
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//
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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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// $Id$
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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 "
G4SystemOfUnits.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
()
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:
G4VParticleChange
(),
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theGlobalTime0(0.),theLocalTime0(0.),theTimeChange(0.)
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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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G4ParticleChangeForDecay::G4ParticleChangeForDecay
(
const
G4ParticleChangeForDecay
&
right
):
G4VParticleChange
(right)
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{
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theGlobalTime0
= right.
theGlobalTime0
;
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theLocalTime0
= right.
theLocalTime0
;
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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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if
(
theNumberOfSecondaries
>0) {
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#ifdef G4VERBOSE
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if
(
verboseLevel
>0) {
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G4cout
<<
"G4ParticleChangeForDecay: 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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theTrueStepLength
= right.
theTrueStepLength
;
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theLocalEnergyDeposit
= right.
theLocalEnergyDeposit
;
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theSteppingControlFlag
= right.
theSteppingControlFlag
;
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theGlobalTime0
= right.
theGlobalTime0
;
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theLocalTime0
= right.
theLocalTime0
;
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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 TimeChange equal to local time of the parent track
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theTimeChange
= track.
GetLocalTime
();
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// set initial Local/Global time of the parent track
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theLocalTime0
= track.
GetLocalTime
();
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theGlobalTime0
= 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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if
(
isParentWeightProposed
){
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pStep->
GetPostStepPoint
()->
SetWeight
(
theParentWeight
);
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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
* 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
(
GetGlobalTime
() );
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pPostStepPoint->
SetLocalTime
(
theTimeChange
);
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pPostStepPoint->
AddProperTime
(
theTimeChange
-
theLocalTime0
);
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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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if
(
isParentWeightProposed
)pPostStepPoint->
SetWeight
(
theParentWeight
);
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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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G4int
oldprc =
G4cout
.precision(3);
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G4cout
<<
" Time (ns) : "
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<< std::setw(20) <<
theTimeChange
/
ns
<<
G4endl
;
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G4cout
.precision(oldprc);
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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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// local time should not go back
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G4bool
itsOK =
true
;
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accuracy = -1.0*(
theTimeChange
-
theLocalTime0
)/
ns
;
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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
<<
" G4ParticleChangeForDecay::CheckIt : "
;
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G4cout
<<
"the local time goes back !!"
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<<
" Difference: "
<< accuracy <<
"[ns] "
<<
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
(
"G4ParticleChangeForDecay::CheckIt"
,
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"TRACK005"
,
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.
GetLocalTime
();
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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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