## Place identification
-The [details](NominatimAPI.md#nominatim.api.core.NominatimAPI.details) and
-[lookup](NominatimAPI.md#nominatim.api.core.NominatimAPI.lookup) functions
-require references to places in the database. Below are listed the possible
-types for place identification. All types are dataclasses.
+The [details](NominatimAPI.md#nominatim_api.NominatimAPI.details) and
+[lookup](NominatimAPI.md#nominatim_api.NominatimAPI.lookup) functions
+require references to places in the database. Below the possible
+types for place identification are listed. All types are dataclasses.
### PlaceID
-::: nominatim.api.PlaceID
+::: nominatim_api.PlaceID
options:
heading_level: 6
### OsmID
-::: nominatim.api.OsmID
+::: nominatim_api.OsmID
options:
heading_level: 6
## Geometry types
-::: nominatim.api.GeometryFormat
+::: nominatim_api.GeometryFormat
options:
heading_level: 6
members_order: source
### Point
-::: nominatim.api.Point
+::: nominatim_api.Point
options:
heading_level: 6
show_signature_annotations: True
### Bbox
-::: nominatim.api.Bbox
+::: nominatim_api.Bbox
options:
heading_level: 6
show_signature_annotations: True
## Layers
-::: nominatim.api.DataLayer
- options:
- heading_level: 6
+Layers allow to restrict the search result to thematic groups. This is
+orthogonal to restriction by address ranks, which groups places by their
+geographic extent.
+::: nominatim_api.DataLayer
+ options:
+ heading_level: 6
+ members_order: source