MaterialGridHelper.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 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 "Acts/Definitions/Algebra.hpp"
#include "Acts/Material/AccumulatedVolumeMaterial.hpp"
#include "Acts/Material/Material.hpp"
#include "Acts/Utilities/BinUtility.hpp"
#include "Acts/Utilities/BinningType.hpp"
#include "Acts/Utilities/detail/Axis.hpp"
#include "Acts/Utilities/detail/AxisFwd.hpp"
#include "Acts/Utilities/detail/Grid.hpp"

#include <array>
#include <cstddef>
#include <functional>
#include <tuple>
#include <utility>
#include <vector>

namespace Acts {

class MaterialSlab;

using EAxis = Acts::detail::EquidistantAxis;
using Grid2D =
    Acts::detail::Grid<Acts::AccumulatedVolumeMaterial, EAxis, EAxis>;
using Grid3D =
    Acts::detail::Grid<Acts::AccumulatedVolumeMaterial, EAxis, EAxis, EAxis>;
using MaterialGrid2D =
    Acts::detail::Grid<Acts::Material::ParametersVector, EAxis, EAxis>;
using MaterialGrid3D =
    Acts::detail::Grid<Acts::Material::ParametersVector, EAxis, EAxis, EAxis>;

using MaterialGridAxisData = std::tuple<double, double, size_t>;

Grid2D createGrid(MaterialGridAxisData gridAxis1,
                  MaterialGridAxisData gridAxis2);

Grid3D createGrid(MaterialGridAxisData gridAxis1,
                  MaterialGridAxisData gridAxis2,
                  MaterialGridAxisData gridAxis3);

std::function<double(Acts::Vector3)> globalToLocalFromBin(
    Acts::BinningValue& type);

Grid2D createGrid2D(
    const BinUtility& bins,
    std::function<Acts::Vector2(Acts::Vector3)>& transfoGlobalToLocal);

Grid3D createGrid3D(
    const BinUtility& bins,
    std::function<Acts::Vector3(Acts::Vector3)>& transfoGlobalToLocal);

MaterialGrid2D mapMaterialPoints(Grid2D& grid);

MaterialGrid3D mapMaterialPoints(Grid3D& grid);

}  // namespace Acts