Method range

cpp/dolfinx/geometry/BoundingBoxTree.h:213–222

@brief Return a range of entity indices of the given topological dimension (including ghosts). @param topology Topology to get entities from. @param tdim Dimension of the entities. @return Range of local indices, including ghosts.

  /// @param tdim Dimension of the entities.
  /// @return Range of local indices, including ghosts.
  static std::vector<std::int32_t> range(mesh::Topology& topology, int tdim)
  {
    topology.create_entities(tdim);
    auto map = topology.index_map(tdim);
    assert(map);
    const std::int32_t num_entities = map->size_local() + map->num_ghosts();
    std::vector<std::int32_t> r(num_entities);
    std::iota(r.begin(), r.end(), 0);
    return r;
  }

public:
  /// Constructor