RE01SteppingAction.cc

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//
// $Id: RE01SteppingAction.cc 97671 2016-06-07 08:25:00Z gcosmo $
//

#include "RE01SteppingAction.hh"
#include "RE01RegionInformation.hh"
#include "RE01TrackInformation.hh"

#include "G4Track.hh"
#include "G4Step.hh"
#include "G4StepPoint.hh"
#include "G4TrackStatus.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Region.hh"
#include "G4SteppingManager.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RE01SteppingAction::RE01SteppingAction()
  : G4UserSteppingAction()
{;}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RE01SteppingAction::~RE01SteppingAction()
{;}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE01SteppingAction::UserSteppingAction(const G4Step * theStep)
{
  // Suspend a track if it is entering into the calorimeter

  // check if it is alive
  G4Track * theTrack = theStep->GetTrack();
  if(theTrack->GetTrackStatus()!=fAlive) { return; }

  // get region information
  G4StepPoint * thePrePoint = theStep->GetPreStepPoint();
  G4LogicalVolume * thePreLV = 
    thePrePoint->GetPhysicalVolume()->GetLogicalVolume();
  RE01RegionInformation* thePreRInfo
   = (RE01RegionInformation*)(thePreLV->GetRegion()->GetUserInformation());
  G4StepPoint * thePostPoint = theStep->GetPostStepPoint();
  G4LogicalVolume * thePostLV = 
    thePostPoint->GetPhysicalVolume()->GetLogicalVolume();
  RE01RegionInformation* thePostRInfo
   = (RE01RegionInformation*)(thePostLV->GetRegion()->GetUserInformation());

  // check if it is entering to the calorimeter volume
  if(!(thePreRInfo->IsCalorimeter()) && (thePostRInfo->IsCalorimeter()))
  {
    // if the track had already been suspended at the previous step, let it go.
    RE01TrackInformation* trackInfo
     = static_cast<RE01TrackInformation*>(theTrack->GetUserInformation());
    if(trackInfo->GetSuspendedStepID()>-1)
    {
      if(fpSteppingManager->GetverboseLevel()>0)
      {
        G4cout<<"++++ This track had already been suspended at step #"
            <<trackInfo->GetSuspendedStepID()<<". Tracking resumed."
            <<G4endl;
      }
    }
    else
    {
      trackInfo->SetSuspendedStepID(theTrack->GetCurrentStepNumber());
      theTrack->SetTrackStatus(fSuspend);
    }
  }
}