DiscLayer.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2016-2018 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/Geometry/GeometryContext.hpp"
#include "Acts/Geometry/Layer.hpp"
#include "Acts/Surfaces/DiscSurface.hpp"
#include "Acts/Utilities/Definitions.hpp"

#include <algorithm>

namespace Acts {

class DiscBounds;
class ApproachDescriptor;


class DiscLayer : virtual public DiscSurface, public Layer {
 public:
  static MutableLayerPtr create(
      const Transform3D& transform,
      const std::shared_ptr<const DiscBounds>& dbounds,
      std::unique_ptr<SurfaceArray> surfaceArray = nullptr,
      double thickness = 0., std::unique_ptr<ApproachDescriptor> ad = nullptr,
      LayerType laytyp = Acts::passive) {
    return MutableLayerPtr(new DiscLayer(transform, dbounds,
                                         std::move(surfaceArray), thickness,
                                         std::move(ad), laytyp));
  }

  DiscLayer() = delete;
  DiscLayer(const DiscLayer& cla) = delete;
  ~DiscLayer() override = default;
  DiscLayer& operator=(const DiscLayer&) = delete;

  const DiscSurface& surfaceRepresentation() const override;

  // Non-const version
  DiscSurface& surfaceRepresentation() override;

 private:
  void buildApproachDescriptor();

 protected:
  // Constructor with DiscSurface components and pointer to SurfaceArray
  DiscLayer(const Transform3D& transform,
            const std::shared_ptr<const DiscBounds>& dbounds,
            std::unique_ptr<SurfaceArray> surfaceArray = nullptr,
            double thickness = 0.,
            std::unique_ptr<ApproachDescriptor> ades = nullptr,
            LayerType laytyp = Acts::active);

  DiscLayer(const DiscLayer& cla, const Transform3D& tr);
};

}  // namespace Acts