GenericApproachDescriptor.hpp

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

// 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/ApproachDescriptor.hpp"
#include "Acts/Geometry/BoundarySurfaceT.hpp"
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Utilities/Helpers.hpp"
#include "Acts/Utilities/Intersection.hpp"

#include <algorithm>

namespace Acts {


class GenericApproachDescriptor : public ApproachDescriptor {
 public:
  GenericApproachDescriptor(
      std::vector<std::shared_ptr<const Surface>> aSurfaces)
      : ApproachDescriptor(),
        m_surfaces(std::move(aSurfaces)),
        m_surfaceCache() {
    m_surfaceCache = unpack_shared_vector(m_surfaces);
  }

  ~GenericApproachDescriptor() override = default;

  void registerLayer(const Layer& lay) override;

  ObjectIntersection<Surface> approachSurface(
      const GeometryContext& gctx, const Vector3D& position,
      const Vector3D& direction, const BoundaryCheck& bcheck) const override;

  const std::vector<const Surface*>& containedSurfaces() const override;

  std::vector<const Surface*>& containedSurfaces() override;

 private:
  std::vector<std::shared_ptr<const Surface>> m_surfaces;

  std::vector<const Surface*> m_surfaceCache;
};

}  // namespace Acts