Method BuildFromRelation

generator/feature_maker.cpp:124–151

}

bool FeatureMakerSimple::BuildFromRelation(OsmElement & p, FeatureBuilderParams const & params)
{
  HolesRelation helper(m_cache);
  helper.Build(&p);
  auto const & holesGeometry = helper.GetHoles();
  auto const size = m_queue.size();

  auto const createFB = [&](auto && pts, auto const & ids)
  {
    FeatureBuilder fb;

    fb.AssignArea(std::move(pts), holesGeometry);
    CHECK(fb.IsGeometryClosed(), ());

    for (uint64_t id : ids)
      fb.AddOsmId(base::MakeOsmWay(id));
    fb.AddOsmId(base::MakeOsmRelation(p.m_id));

    fb.SetParams(params);
    fb.SetArea();

    m_queue.push(std::move(fb));
  };

  helper.GetOuter().ForEachArea(true /* collectID */, [&](auto && pts, auto && ids) { createFB(std::move(pts), ids); });

  return size != m_queue.size();
}

FeatureMaker::FeatureMaker(IDRInterfacePtr const & cache) : FeatureMakerSimple(cache)
{