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SteppingAction.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file SteppingAction.cc
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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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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "SteppingAction.hh"
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#include "DetectorConstruction.hh"
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#include "TrackingAction.hh"
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#include "HistoManager.hh"
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#include "
G4RunManager.hh
"
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#include "Run.hh"
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#include "
G4SteppingManager.hh
"
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#include "
G4Gamma.hh
"
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#include "
G4UnitsTable.hh
"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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SteppingAction::SteppingAction
(
DetectorConstruction
* det,
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TrackingAction
* TrAct)
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:fDetector(det), fTrackAction(TrAct),
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fWall(0), fCavity(0)
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{
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first
=
true
;
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fTrackSegm
= 0.;
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fDirectionIn
=
G4ThreeVector
(0.,0.,0.);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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SteppingAction::~SteppingAction
()
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void
SteppingAction::UserSteppingAction
(
const
G4Step
*
step
)
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{
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//get fDetector pointers
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if
(
first
) {
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fWall
=
fDetector
->
GetWall
();
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fCavity
=
fDetector
->
GetCavity
();
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first
=
false
;
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}
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Run
* run =
static_cast<
Run
*
>
(
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G4RunManager::GetRunManager
()->
GetNonConstCurrentRun
());
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//histograms
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G4AnalysisManager
* analysisManager =
G4AnalysisManager::Instance
();
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//get volume
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//
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G4StepPoint
* point1 = step->
GetPreStepPoint
();
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G4VPhysicalVolume
*
volume
= point1->
GetTouchableHandle
()->
GetVolume
();
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// count processes
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//
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G4StepPoint
* point2 = step->
GetPostStepPoint
();
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const
G4VProcess
* process = point2->
GetProcessDefinedStep
();
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if
(process) run->
CountProcesses
(process->
GetProcessName
());
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//energy deposit in fCavity
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//
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if
(volume ==
fCavity
) {
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G4double
edep
= step->
GetTotalEnergyDeposit
();
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if
(edep > 0.)
fTrackAction
->
AddEdepCavity
(edep);
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}
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//keep only charged particles
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//
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if
(step->
GetTrack
()->
GetDefinition
() ==
G4Gamma::Gamma
())
return
;
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//step size of charged particles
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//
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G4int
id;
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G4double
steplen = step->
GetStepLength
();
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if
(volume ==
fWall
) {run->
StepInWall
(steplen);
id
= 9;}
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else
{run->
StepInCavity
(steplen);
id
= 10;}
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analysisManager->
FillH1
(
id
,steplen);
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//last step before hitting the fCavity
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//
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if
((volume ==
fWall
) && (point2->
GetStepStatus
() ==
fGeomBoundary
)) {
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fDirectionIn
= point1->
GetMomentumDirection
();
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}
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//keep only charged particles within fCavity
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//
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if
(volume ==
fWall
)
return
;
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G4double
ekin1 = point1->
GetKineticEnergy
();
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G4double
ekin2 = point2->
GetKineticEnergy
();
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//first step in cavity
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//
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if
(point1->
GetStepStatus
() ==
fGeomBoundary
) {
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fTrackSegm
= 0.;
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G4ThreeVector
vertex = step->
GetTrack
()->
GetVertexPosition
();
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analysisManager->
FillH1
(4,vertex.
z
());
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run->
FlowInCavity
(0,ekin1);
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analysisManager->
FillH1
(5,ekin1);
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if
(steplen>0.) {
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G4ThreeVector
directionOut =
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(point2->
GetPosition
() - point1->
GetPosition
()).unit();
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G4ThreeVector
normal
= point1->
GetTouchableHandle
()->
GetSolid
()
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->
SurfaceNormal
(point1->
GetPosition
());
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analysisManager->
FillH1
(6,std::acos(-
fDirectionIn
*normal));
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analysisManager->
FillH1
(7,std::acos(-directionOut*normal));
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}
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}
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//within cavity
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//
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if
(step->
GetTrack
()->
GetCurrentStepNumber
() == 1)
fTrackSegm
= 0.;
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fTrackSegm
+= steplen;
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if
(ekin2 <= 0.) {
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run->
AddTrakCavity
(
fTrackSegm
);
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analysisManager->
FillH1
(8,
fTrackSegm
);
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}
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//exit cavity
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//
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if
(point2->
GetStepStatus
() ==
fGeomBoundary
) {
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run->
FlowInCavity
(1,ekin2);
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run->
AddTrakCavity
(
fTrackSegm
);
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analysisManager->
FillH1
(8,
fTrackSegm
);
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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geant4
tree
geant4-10.6-release
examples
extended
medical
fanoCavity2
src
SteppingAction.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:24:55
using
1.8.2 with
ECCE GitHub integration