FastCaloSim.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef G4FASTSIMULATION_FASTCALOSIM_H
#define G4FASTSIMULATION_FASTCALOSIM_H
 
// Service handle to define smart pointer to FastCaloSim parametrisation service
#include "GaudiKernel/ServiceHandle.h"
// Geant4 fast simulation base class
#include "G4VFastSimulationModel.hh"
// FastCaloSim parametrisation service interface
#include "ISF_FastCaloSimInterfaces/IFastCaloSimParamSvc.h"
// FastCaloSim extrapolation tool interface
#include "ISF_FastCaloSimParametrization/IFastCaloSimCaloExtrapolation.h"
// FastCaloSim ATLAS transportation tool interface
#include "ISF_FastCaloSimParametrization/IFastCaloSimCaloTransportation.h"
// Geant4 transportation tool interface
#include "G4AtlasInterfaces/IG4CaloTransportTool.h"
// Geant4 Punchthrough G4 Tool
#include "G4AtlasInterfaces/IPunchThroughSimWrapper.h"
 
// FastCaloSim tool
#include "FastCaloSimTool.h"
 
 
class CaloCellContainerSD;
class G4FieldTrack;
class G4SafetyHelper;
 
class FastCaloSim: public G4VFastSimulationModel
{
 public:
 
  FastCaloSim(const std::string& name,
              G4Region* region,
              const PublicToolHandle<IFastCaloSimCaloTransportation>& FastCaloSimCaloTransportation,
              const PublicToolHandle<IFastCaloSimCaloExtrapolation>& FastCaloSimCaloExtrapolation,
              const PublicToolHandle<IG4CaloTransportTool>& G4CaloTransportTool,
              const PublicToolHandle<IPunchThroughSimWrapper>& PunchThroughSimWrapper,
              const ServiceHandle<ISF::IFastCaloSimParamSvc>& FastCaloSimSvc,
              const std::string& CaloCellContainerSDName,
              bool doG4Transport,
              bool doPunchThrough,
              FastCaloSimTool * FastCaloSimTool);
  ~FastCaloSim() {}
 
  G4bool IsApplicable(const G4ParticleDefinition&) override final;
  void DoIt(const G4FastTrack&, G4FastStep&) override final;
 
  G4bool ModelTrigger(const G4FastTrack &) override final;
 
  CaloCellContainerSD * getCaloCellContainerSD();
 
  G4bool passedIDCaloBoundary(const G4FastTrack& fastTrack);
  
 private:
  // FastCaloSimCaloTransportation tool to transport particles through the detector with the ATLAS tracking tools 
  PublicToolHandle<IFastCaloSimCaloTransportation> m_FastCaloSimCaloTransportation;
  // FastCaloSimCaloExtrapolation tool to extrapolate particle shower positions to layers
  PublicToolHandle<IFastCaloSimCaloExtrapolation> m_FastCaloSimCaloExtrapolation;
  // Geant4 transportation tool
  PublicToolHandle<IG4CaloTransportTool> m_G4CaloTransportTool;
  // Geant4 Punchthrough G4 Tool
  PublicToolHandle<IPunchThroughSimWrapper> m_PunchThroughSimWrapper;
 
  // Main FastCaloSim service
  ServiceHandle<ISF::IFastCaloSimParamSvc> m_FastCaloSimSvc;
  // Name of associated CaloCellContainer sensitive detector
  std::string m_CaloCellContainerSDName;
  // Boolean flag to enable Geant4 transportation
  bool m_doG4Transport;
 
  //For PunchThrough
  bool m_doPunchThrough;
 
  // Fast simulation FastCaloSimTool 
  FastCaloSimTool * m_FastCaloSimTool;
};
 
#endif //G4FASTSIMULATION_FASTCALOSIM_H