DD4hepToG4Svc.hpp

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file DD4hepToG4Svc.hpp

// This file is part of the Acts project.
//
// Copyright (C) 2017 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include <Acts/Utilities/Logger.hpp>
#include <G4RunManager.hh>
#include <G4VUserDetectorConstruction.hh>
#include <memory>

#include "ACTFW/DD4hepDetector/DD4hepGeometryService.hpp"

namespace FW {
namespace DD4hepG4 {

class DD4hepToG4Svc {
 public:
  class Config {
   public:
    std::shared_ptr<const Acts::Logger> logger;
    std::shared_ptr<DD4hep::DD4hepGeometryService> dd4hepService;
    std::string name;

    Config(const std::string& lname = "MaterialWriter",
           Acts::Logging::Level lvl = Acts::Logging::INFO)
        : logger(Acts::getDefaultLogger(lname, lvl)),
          dd4hepService(nullptr),
          name(lname) {}
  };

  DD4hepToG4Svc(const Config& cfg);
  ~DD4hepToG4Svc();

  G4VUserDetectorConstruction* geant4Geometry();

 private:
  FW::ProcessCode buildGeant4Geometry();
  Config m_cfg;
  G4VUserDetectorConstruction* m_geant4Geometry;

  const Acts::Logger& logger() const { return *m_cfg.logger; }
};

}  // namespace DD4hepG4
}  // namespace FW