Coordinate object is the most basic geometric element, describing a point on the surface of the Earth. Most GeoDesk functions accept coordinate values as simple
(x,y) tuples, but using
Coordinate objects has two advantages: They are more compact, and they convert seamlessly between Mercator projection and longitude/latitude (whereas tuples must use Mercator-projected coordinate values).
Construct coordinates like this:
Coordinate(lon=12.42, lat=48.76) # longitude & latitude (any order) Coordinate(x=148176372, y=668142957) # Mercator-projected x/y position Coordinate(148176372, 668142957) # (Mercator projection by default)
Coordinates are equal to a simple tuple that has the same Mercator-projected coordinates:
>>> Coordinate(lon=12.42, lat=48.76) == (148176372, 668142957) True
Coordinate objects are hashable and therefore suitable as dictionary keys.
The Mercator-projected x-ordinate.
The Mercator-projected y-ordinate.
The coordinate’s longitude.
The coordinate’s latitude.