Miscellaneous GIS functions
-
ST_Collect
Given multiple geometries, returns the aggregation of the distinct geometry arguments. -
ST_GeoHash
Returns the geohash corresponding to the input values. -
ST_IsValid
Returns 1 if the argument is geometrically valid, 0 if not. -
ST_LatFromGeoHash
Decodes a given geohash and returns the latitude. -
ST_LongFromGeoHash
Decodes a given geohash string and returns the longitude in the interval [180, -180]. -
ST_PointFromGeoHash
From a geohash, returns a point where the x is the longitude and the y is the latitude. -
ST_Simplify
Applies the Ramer–Douglas–Peucker algorithm to provide generalized simplifications. -
ST_Validate
Checks that a given geometry is valid.
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