d8/d1e/FastCaloSim_8h_source.html

/*

  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"


// Random generator service interface

#include "AthenaKernel/IAthRNGSvc.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 ServiceHandle<IAthRNGSvc>& rndmGenSvc,

              const std::string& randomEngineName,

              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;

  void StartOfAthenaEvent(const EventContext& ctx);

  void EndOfAthenaEvent(const EventContext& ctx);


  G4bool ModelTrigger(const G4FastTrack &) override final;


  CaloCellContainerSD * getCaloCellContainerSD();


  G4bool passedIDCaloBoundary(const G4FastTrack& fastTrack);


 private:


  // Random generator services

  ServiceHandle<IAthRNGSvc> m_rndmGenSvc;

  std::string m_randomEngineName;

  ATHRNG::RNGWrapper* m_rngWrapper{};


  // 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