Description

geography is a spatial data type used to represent a feature in geodetic coordinate systems. Geodetic coordinate systems model the earth using an ellipsoid.

Spatial operations on the geography type provide more accurate results by taking the ellipsoidal model into account.

Casting Behavior

This section lists the automatic as well as explicit casts allowed for this data type

See Also

Section 4.1.2, “PostGIS Geography Type”, Section 9.4, “PostGIS Geography Support Functions”