Function ReadPoints

libs/drape_frontend/read_metaline_task.cpp:71–101

}

ankerl::unordered_dense::map<FeatureID, std::vector<m2::PointD>> ReadPoints(df::MapDataProvider & model,
                                                                            MetalineData const & metaline)
{
  auto features = metaline.m_features;
  std::sort(features.begin(), features.end());

  ankerl::unordered_dense::map<FeatureID, std::vector<m2::PointD>> result;
  model.ReadFeatures([&metaline, &result](FeatureType & ft)
  {
    ft.ParseGeometry(FeatureType::BEST_GEOMETRY);
    size_t const count = ft.GetPointsCount();

    std::vector<m2::PointD> featurePoints;
    featurePoints.reserve(count);
    featurePoints.push_back(ft.GetPoint(0));

    for (size_t i = 1; i < count; ++i)
    {
      auto const & pt = ft.GetPoint(i);
      if (!featurePoints.back().EqualDxDy(pt, kMwmPointAccuracy))
        featurePoints.push_back(pt);
    }

    if (metaline.m_reversed.find(ft.GetID()) != metaline.m_reversed.cend())
      std::reverse(featurePoints.begin(), featurePoints.end());

    result.emplace(ft.GetID(), std::move(featurePoints));
  }, features);

  return result;
}

std::vector<m2::PointD> MergePoints(ankerl::unordered_dense::map<FeatureID, std::vector<m2::PointD>> && points,
                                    std::vector<FeatureID> const & featuresOrder)