FastSimulationBase.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "G4AtlasTools/FastSimulationBase.h"
 
// Geant4 includes used in functions
#include "G4AutoDelete.hh"
#include <G4Region.hh>
#include "G4RegionStore.hh"
#include "G4VFastSimulationModel.hh"
 
FastSimulationBase::FastSimulationBase(const std::string& type, const std::string& name, const IInterface* parent)
  : base_class(type,name,parent)
{
}
 
G4Region* FastSimulationBase::getRegion() const
{
  if (m_regionName.value().empty()) {
    return nullptr;
  }
  return G4RegionStore::GetInstance()->GetRegion(m_regionName.value());
}
 
 
// Athena method, used to get out the G4 geometry and set up the Fast Simulation Models
StatusCode FastSimulationBase::initializeFastSim(){
  ATH_MSG_VERBOSE( name() << "::initializeFastSim()" );
 
  // Instantiate the FastSimModel for this geant4 thread and register it for deletion
  G4AutoDelete::Register(makeFastSimModel());
 
  return StatusCode::SUCCESS;
}