Themes are top-level categories of map features. A theme may have
multiple types of features, for example, the Transportation theme has both
Where applicable, fields such as "address" or "name" will always use the same schema across all themes.
Any additional top-level property prefixed with
ext may be added to a feature.
The Global Entity Reference System is responsible for handling persistent identification across entities on the map.
id present in examples in this documentation is not demonstrative of the final format of the GERS ID.
Overture Administrative Boundary (Admins) data includes features that describe named localities in the real world including settlements, cities, regions, provinces, and countries.
Buildings are human-made structures with roofs or interior spaces that are permanently or semi-permanently in one place (OSM building definition).
Places are point representations of real-world facilities, services, or amenities.