G4UA::GeantFollowerMS Class Reference

#include <GeantFollowerMS.h>

Inheritance diagram for G4UA::GeantFollowerMS:

Collaboration diagram for G4UA::GeantFollowerMS:

Classes
struct	Config

Public Member Functions
	GeantFollowerMS (const Config &config)
virtual void	BeginOfEventAction (const G4Event *) override
virtual void	EndOfEventAction (const G4Event *) override
virtual void	BeginOfRunAction (const G4Run *) override
virtual void	UserSteppingAction (const G4Step *) override

Private Attributes
Config	m_config
Trk::IGeantFollowerMSHelper *	m_helperPointer

Detailed Description

Definition at line 33 of file GeantFollowerMS.h.

Constructor & Destructor Documentation

GeantFollowerMS()

GeantFollowerMS::GeantFollowerMS

(

const Config &

config

)

Definition at line 26 of file GeantFollowerMS.cxx.

    : m_config(config)
    , m_helperPointer(nullptr)
  {}

Member Function Documentation

BeginOfEventAction()

void GeantFollowerMS::BeginOfEventAction ( const G4Event * )

overridevirtual

Definition at line 31 of file GeantFollowerMS.cxx.

  {
    // FIXME: thread-unsafe tool usage in thread-local action? ATLASSIM-3562.
    m_helperPointer->beginEvent();
  }

BeginOfRunAction()

void GeantFollowerMS::BeginOfRunAction ( const G4Run * )

overridevirtual

Definition at line 43 of file GeantFollowerMS.cxx.

  {
    if(m_config.helper.retrieve()!=StatusCode::SUCCESS) {
      G4ExceptionDescription description;
      description << "Cannot retrieve GeantFollowerMS helper";
      G4Exception("GeantFollowerMS", "GeantFollowerMS1", FatalException, description);
      return;
    }
    m_helperPointer = (&(*m_config.helper));
 
    if(m_config.trackingGeometrySvc.retrieve()!=StatusCode::SUCCESS) {
      G4ExceptionDescription description;
      description << "Cannot retrieve TrackingGeometrySvc in GeantFollowerMS";
      G4Exception("GeantFollowerMS", "GeantFollowerMS2", FatalException, description);
      return;
    }
 
     }

EndOfEventAction()

void GeantFollowerMS::EndOfEventAction ( const G4Event * )

overridevirtual

Definition at line 37 of file GeantFollowerMS.cxx.

  {
    // FIXME: thread-unsafe tool usage in thread-local action? ATLASSIM-3562.
    m_helperPointer->endEvent();
  }

UserSteppingAction()

void GeantFollowerMS::UserSteppingAction ( const G4Step * aStep )

overridevirtual

Definition at line 62 of file GeantFollowerMS.cxx.

  {
    // kill secondaries
    if (aStep->GetTrack()->GetParentID()) {
      aStep->GetTrack()->SetTrackStatus(fStopAndKill);
      return;
    }
 
    // get the prestep point and follow this guy
    G4StepPoint * g4PreStep  = aStep->GetPreStepPoint();
    G4ThreeVector g4Momentum = g4PreStep->GetMomentum();
    const G4ThreeVector& g4Position = g4PreStep->GetPosition();
 
    G4Track* g4Track = aStep->GetTrack();
    const G4DynamicParticle* g4DynParticle = g4Track->GetDynamicParticle();
 
    // the material information
    const G4TouchableHistory* touchHist =
      static_cast<const G4TouchableHistory*>(aStep->GetPreStepPoint()->GetTouchable());
 
    if(ATH_LIKELY(touchHist)) {
      // G4LogicalVolume
      const G4LogicalVolume *lv= touchHist->GetVolume()->GetLogicalVolume();
 
      if(ATH_LIKELY(lv)) {
        const G4Material *mat    = lv->GetMaterial();
        // the step information
        double steplength     = aStep->GetStepLength();
        // the position information
        double X0             = mat->GetRadlen();
        // update the track follower
        m_helperPointer->trackParticle(g4Position, g4Momentum,
                                       g4DynParticle->GetPDGcode(),
                                       g4DynParticle->GetCharge(),
                                       steplength, X0);
      }
      else {
        G4ExceptionDescription description;
        description << "GeantFollowerMS::SteppingAction NULL G4LogicalVolume pointer.";
        G4Exception("GeantFollowerMS", "GeantFollowerMS3", FatalException, description);
      }
    }
    else {
      G4ExceptionDescription description;
      description << "GeantFollowerMS::SteppingAction NULL G4TouchableHistory pointer.";
      G4Exception("GeantFollowerMS", "GeantFollowerMS4", FatalException, description);
    }
     }

Member Data Documentation

m_config

Config G4UA::GeantFollowerMS::m_config

private

Definition at line 56 of file GeantFollowerMS.h.

m_helperPointer

Trk::IGeantFollowerMSHelper* G4UA::GeantFollowerMS::m_helperPointer

private

Definition at line 58 of file GeantFollowerMS.h.

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The documentation for this class was generated from the following files:

• GeantFollowerMS.h
• GeantFollowerMS.cxx