LayerArrayCreator.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/.

// LayerArrayCreator.h, Acts project

#pragma once
#ifndef ACTS_TOOLS_TAKESMALLERBIGGER
#define ACTS_TOOLS_TAKESMALLERBIGGER
#define takeSmaller(current, test) current = current < test ? current : test
#define takeBigger(current, test) current = current > test ? current : test
#define takeSmallerBigger(cSmallest, cBiggest, test) \
  takeSmaller(cSmallest, test);                      \
  takeBigger(cBiggest, test)
#endif

#include <algorithm>
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Geometry/ILayerArrayCreator.hpp"
#include "Acts/Utilities/Definitions.hpp"
#include "Acts/Utilities/Logger.hpp"

namespace Acts {

class Surface;
class Layer;


class LayerArrayCreator : public ILayerArrayCreator {
 public:
  struct Config {};

  LayerArrayCreator(const Config& /*cfg*/,
                    std::unique_ptr<const Logger> logger =
                        getDefaultLogger("LayerArrayCreator", Logging::INFO))
      : m_logger(std::move(logger)) {}

  ~LayerArrayCreator() override = default;

  std::unique_ptr<const LayerArray> layerArray(
      const GeometryContext& gctx, const LayerVector& layersInput, double min,
      double max, BinningType bType = arbitrary,
      BinningValue bValue = binX) const override;

  void setLogger(std::unique_ptr<const Logger> logger) {
    m_logger = std::move(logger);
  }

 private:
  const Logger& logger() const { return *m_logger; }

  std::unique_ptr<const Logger> m_logger = nullptr;

  std::shared_ptr<Surface> createNavigationSurface(const GeometryContext& gctx,
                                                   const Layer& layer,
                                                   BinningValue bValue,
                                                   double offset) const;
};

}  // namespace Acts