Acts/Geometry/ConeLayer.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/Definitions/Algebra.hpp"
0012 #include "Acts/Geometry/ApproachDescriptor.hpp"
0013 #include "Acts/Geometry/Layer.hpp"
0014 #include "Acts/Surfaces/ConeBounds.hpp"
0015 #include "Acts/Surfaces/ConeSurface.hpp"
0016
0017 #include <memory>
0018
0019 namespace Acts {
0020
0021 class ConeBounds;
0022 class SurfaceArray;
0023
0024 /// @class ConeLayer
0025 ///
0026 /// Class to describe a conical detector layer for tracking, it inhertis from
0027 /// both, Layer base class and ConeSurface class
0028 class ConeLayer : virtual public ConeSurface, public Layer {
0029  public:
0030   /// Factory for shared layer
0031   ///
0032   /// @param transform is the 3D transform that positions the layer in 3D frame
0033   /// @param cbounds is the conical bound description
0034   /// @param surfaceArray is the array of sensitive surfaces
0035   /// @param thickness is the layer thickness along the normal axis
0036   /// @param ad is the approach descriptor for navigation towards the layer
0037   /// @param laytyp is the layer type
0038   ///
0039   /// @todo change od and ad to unique_ptr
0040   ///
0041   /// @return is a shared pointer to a layer
0042   static std::shared_ptr<ConeLayer> create(
0043       const Transform3& transform, std::shared_ptr<const ConeBounds> cbounds,
0044       std::unique_ptr<SurfaceArray> surfaceArray, double thickness = 0.,
0045       std::unique_ptr<ApproachDescriptor> ad = nullptr,
0046       LayerType laytyp = active);
0047
0048   ConeLayer() = delete;
0049   ConeLayer(const ConeLayer& cla) = delete;
0050   ~ConeLayer() override = default;
0051   ConeLayer& operator=(const ConeLayer&) = delete;
0052
0053   /// Transforms the layer into a Surface representation for extrapolation
0054   /// @return Const reference to the cone surface representing this layer
0055   const ConeSurface& surfaceRepresentation() const override;
0056
0057   /// Non-const version of surface representation access
0058   /// @return Mutable reference to the cone surface
0059   ConeSurface& surfaceRepresentation() override;
0060
0061  protected:
0062   /// Private constructor with arguments
0063   ///
0064   /// @param transform is the 3D transform that positions the layer in 3D frame
0065   /// @param cbounds is the conical bound description
0066   /// @param surfaceArray is the array of sensitive surfaces
0067   /// @param thickness is the layer thickness along the normal axis
0068   /// @param ade is the approach descriptor for navigation towards the layer
0069   /// @param laytyp is the layer type
0070   ///
0071   /// @todo change od and ad to unique_ptr
0072   ConeLayer(const Transform3& transform,
0073             std::shared_ptr<const ConeBounds> cbounds,
0074             std::unique_ptr<SurfaceArray> surfaceArray, double thickness = 0.,
0075             std::unique_ptr<ApproachDescriptor> ade = nullptr,
0076             LayerType laytyp = active);
0077
0078   /// Private copy constructor with shift, called by create(args*)
0079   ///
0080   /// @param cla is the source clone layer
0081   /// @param shift is the additional shift applied after copying
0082   ConeLayer(const ConeLayer& cla, const Transform3& shift);
0083 };
0084
0085 }  // namespace Acts