Acts/Surfaces/PlanarBounds.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/Surfaces/SurfaceBounds.hpp"
0012
0013 #include <vector>
0014
0015 namespace Acts {
0016
0017 /// Forward declare rectangle bounds as boundary box
0018 class RectangleBounds;
0019
0020 /// @class PlanarBounds
0021 ///
0022 /// common base class for all bounds that are in a local x/y cartesian frame
0023 ///  - simply introduced to avoid wrong bound assignments to surfaces
0024 ///
0025 class PlanarBounds : public SurfaceBounds {
0026  public:
0027   /// Return the vertices
0028   ///
0029   /// @param quarterSegments is the number of segments used to describe curved
0030   /// segments in a quarter of the phi range. If it is 1, then only the extrema
0031   /// points in phi are inserted next to the segment corners.
0032   ///
0033   /// @note for planar bounds without curved segments @c quarterSegments is ignored
0034   ///
0035   /// @return vector for vertices in 2D
0036   virtual std::vector<Vector2> vertices(
0037       unsigned int quarterSegments = 2u) const = 0;
0038
0039   /// Bounding box parameters
0040   ///
0041   /// @return rectangle bounds for a bounding box
0042   virtual const RectangleBounds& boundingBox() const = 0;
0043 };
0044
0045 }  // namespace Acts