ActsExamples/DetectorCommons/Detector.hpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include "Acts/Geometry/GeometryContext.hpp"
0012
0013 #include <memory>
0014 #include <vector>
0015
0016 namespace Acts {
0017 class GeometryContext;
0018 class TrackingGeometry;
0019 class DetectorElementBase;
0020 class Logger;
0021 namespace Experimental {
0022 class Detector;
0023 }  // namespace Experimental
0024 }  // namespace Acts
0025
0026 namespace ActsExamples {
0027 class IContextDecorator;
0028 struct Geant4ConstructionOptions;
0029 }  // namespace ActsExamples
0030
0031 class G4VUserDetectorConstruction;
0032
0033 namespace ActsExamples {
0034
0035 /// Base class for detector instances
0036 class Detector {
0037  public:
0038   explicit Detector(std::unique_ptr<const Acts::Logger> logger);
0039   virtual ~Detector();
0040
0041   virtual const Acts::GeometryContext& nominalGeometryContext() const;
0042
0043   virtual std::shared_ptr<const Acts::TrackingGeometry> trackingGeometry()
0044       const;
0045   virtual std::shared_ptr<Acts::Experimental::Detector> gen2Geometry() const;
0046   virtual std::vector<std::shared_ptr<IContextDecorator>> contextDecorators()
0047       const;
0048
0049   /// Build the Geant4 detector construction
0050   /// @note This throws an exception if Geant4 is not enabled
0051   /// @param options The Geant4 construction options
0052   /// @return The Geant4 detector construction
0053   virtual std::unique_ptr<G4VUserDetectorConstruction>
0054   buildGeant4DetectorConstruction(
0055       const Geant4ConstructionOptions& options) const;
0056
0057  protected:
0058   const Acts::Logger& logger() const;
0059
0060   std::unique_ptr<const Acts::Logger> m_logger;
0061
0062   Acts::GeometryContext m_nominalGeometryContext;
0063   std::shared_ptr<const Acts::TrackingGeometry> m_trackingGeometry;
0064   std::shared_ptr<Acts::Experimental::Detector> m_gen2Geometry;
0065   std::vector<std::shared_ptr<const Acts::DetectorElementBase>> m_detectorStore;
0066   std::vector<std::shared_ptr<IContextDecorator>> m_contextDecorators;
0067 };
0068
0069 }  // namespace ActsExamples