SurfaceBounds.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2016-2020 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 <ostream>

#include "Acts/Surfaces/BoundaryCheck.hpp"
#include "Acts/Utilities/Definitions.hpp"

namespace Acts {

class SurfaceBounds {
 public:
  enum BoundsType : int {
    eCone = 0,
    eCylinder = 1,
    eDiamond = 2,
    eDisc = 3,
    eEllipse = 5,
    eLine = 6,
    eRectangle = 7,
    eTrapezoid = 8,
    eTriangle = 9,
    eDiscTrapezoid = 10,
    eConvexPolygon = 11,
    eAnnulus = 12,
    eBoundless = 13,
    eOther = 14
  };

  virtual ~SurfaceBounds() = default;

  virtual BoundsType type() const = 0;

  virtual std::vector<double> values() const = 0;

  virtual bool inside(const Vector2D& lposition,
                      const BoundaryCheck& bcheck) const = 0;

  virtual double distanceToBoundary(const Vector2D& lposition) const = 0;

  virtual std::ostream& toStream(std::ostream& os) const = 0;
};

inline bool operator==(const SurfaceBounds& lhs, const SurfaceBounds& rhs) {
  if (&lhs == &rhs) {
    return true;
  }
  return (lhs.type() == rhs.type()) && (lhs.values() == rhs.values());
}

inline bool operator!=(const SurfaceBounds& lhs, const SurfaceBounds& rhs) {
  return !(lhs == rhs);
}

inline std::ostream& operator<<(std::ostream& os, const SurfaceBounds& sb) {
  return sb.toStream(os);
}

}  // namespace Acts