@dataclasses.dataclass
class PlaceID:
- """ Reference an object by Nominatim's internal ID.
+ """ Reference a place by Nominatim's internal ID.
+
+ A PlaceID may reference place from the main table placex, from
+ the interpolation tables or the postcode tables. Place IDs are not
+ stable between installations. You may use this type theefore only
+ with place IDs obtained from the same database.
"""
place_id: int
+ """
+ The internal ID of the place to reference.
+ """
@dataclasses.dataclass
class OsmID:
- """ Reference by the OSM ID and potentially the basic category.
+ """ Reference a place by its OSM ID and potentially the basic category.
+
+ The OSM ID may refer to places in the main table placex and OSM
+ interpolation lines.
"""
osm_type: str
+ """ OSM type of the object. Must be one of `N`(node), `W`(way) or
+ `R`(relation).
+ """
osm_id: int
+ """ The OSM ID of the object.
+ """
osm_class: Optional[str] = None
+ """ The same OSM object may appear multiple times in the database under
+ different categories. The optional class parameter allows to distinguish
+ the different categories and corresponds to the key part of the category.
+ If there are multiple objects in the database and `osm_class` is
+ left out, then one of the objects is returned at random.
+ """
def __post_init__(self) -> None:
if self.osm_type not in ('N', 'W', 'R'):
WKB_BBOX_HEADER_BE = b'\x00\x20\x00\x00\x03\x00\x00\x10\xe6\x00\x00\x00\x01\x00\x00\x00\x05'
class Bbox:
- """ A bounding box in WSG84 projection.
+ """ A bounding box in WGS84 projection.
The coordinates are available as an array in the 'coord'
property in the order (minx, miny, maxx, maxy).
"""
def __init__(self, minx: float, miny: float, maxx: float, maxy: float) -> None:
+ """ Create a new bounding box with the given coordinates in WGS84
+ projection.
+ """
self.coords = (minx, miny, maxx, maxy)
@staticmethod
def from_wkb(wkb: Union[None, str, bytes]) -> 'Optional[Bbox]':
""" Create a Bbox from a bounding box polygon as returned by
- the database. Return s None if the input value is None.
+ the database. Returns `None` if the input value is None.
"""
if wkb is None:
return None
except ValueError as exc:
raise UsageError('Bounding box parameter needs to be numbers.') from exc
- if x1 < -180.0 or x1 > 180.0 or y1 < -90.0 or y1 > 90.0 \
- or x2 < -180.0 or x2 > 180.0 or y2 < -90.0 or y2 > 90.0:
- raise UsageError('Bounding box coordinates invalid.')
+ x1 = min(180, max(-180, x1))
+ x2 = min(180, max(-180, x2))
+ y1 = min(90, max(-90, y1))
+ y2 = min(90, max(-90, y2))
if x1 == x2 or y1 == y2:
raise UsageError('Bounding box with invalid parameters.')
class GeometryFormat(enum.Flag):
- """ Geometry output formats supported by Nominatim.
+ """ All search functions support returning the full geometry of a place in
+ various formats. The internal geometry is converted by PostGIS to
+ the desired format and then returned as a string. It is possible to
+ request multiple formats at the same time.
"""
NONE = 0
+ """ No geometry requested. Alias for a empty flag.
+ """
GEOJSON = enum.auto()
+ """
+ [GeoJSON](https://geojson.org/) format
+ """
KML = enum.auto()
+ """
+ [KML](https://en.wikipedia.org/wiki/Keyhole_Markup_Language) format
+ """
SVG = enum.auto()
+ """
+ [SVG](http://www.w3.org/TR/SVG/paths.html) format
+ """
TEXT = enum.auto()
+ """
+ [WKT](https://en.wikipedia.org/wiki/Well-known_text_representation_of_geometry) format
+ """
class DataLayer(enum.Flag):
- """ Layer types that can be selected for reverse and forward search.
+ """ The `DataLayer` flag type defines the layers that can be selected
+ for reverse and forward search.
"""
- POI = enum.auto()
ADDRESS = enum.auto()
+ """ The address layer contains all places that have a fully qualified
+ address that includes a house number (or a house name equivalent,
+ for some addresses) and places that can be part of an address like
+ roads, cities, states.
+ """
+ POI = enum.auto()
+ """ Layer for points of interest like shops, restaurants but also
+ recycling bins or postboxes.
+ """
RAILWAY = enum.auto()
- MANMADE = enum.auto()
+ """ Layer with railway features including tracks and other infrastructure.
+ Note that in Nominatim's standard configuration, only very few railway
+ features are imported into the database. Thus a custom configuration
+ is required to make full use of this layer.
+ """
NATURAL = enum.auto()
+ """ Layer with natural features like rivers, lakes and mountains.
+ """
+ MANMADE = enum.auto()
+ """ Layer with other human-made features and boundaries. This layer is
+ the catch-all and includes all features not covered by the other
+ layers. A typical example for this layer are national park boundaries.
+ """
def format_country(cc: Any) -> List[str]:
"""
excluded: List[int] = dataclasses.field(default_factory=list,
metadata={'transform': format_excluded})
- """ List of OSM objects to exclude from the results. Currenlty only
+ """ List of OSM objects to exclude from the results. Currently only
works when the internal place ID is given.
An empty list (the default) will disable this filter.
"""
projects / nominatim.git / blobdiff