Segmentation.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/Definitions/Algebra.hpp"
#include "Acts/Digitization/DigitizationCell.hpp"

#include <memory>
#include <vector>

namespace Acts {

class SurfaceBounds;
class Surface;
class BinUtility;
using SurfacePtr = std::shared_ptr<const Surface>;
using SurfacePtrVector = std::vector<SurfacePtr>;

class Segmentation {
 public:
  virtual ~Segmentation() = default;

  virtual void createSegmentationSurfaces(
      SurfacePtrVector& boundarySurfaces,
      SurfacePtrVector& segmentationSurfacesX,
      SurfacePtrVector& segmentationSurfacesY, double halfThickness,
      int readoutDirection, double lorentzAngle) const = 0;

  virtual DigitizationCell cell(const Vector3& position) const = 0;

  virtual DigitizationCell cell(const Vector2& position) const = 0;

  virtual Vector2 cellPosition(const DigitizationCell& dCell) const = 0;

  virtual DigitizationStep digitizationStep(const Vector3& start,
                                            const Vector3& end,
                                            double halfThickness,
                                            int readoutDirection,
                                            double lorentzAngle) const = 0;

  virtual const SurfaceBounds& moduleBounds() const = 0;

  virtual const BinUtility& binUtility() const = 0;
};
}  // namespace Acts