Skip to main content

Documentation Index

Fetch the complete documentation index at: https://docs.wherobots.com/llms.txt

Use this file to discover all available pages before exploring further.

Returns the perimeter of A. This function is an alias of ST_Length.
Since v1.7.0, this function only supports LineString, MultiLineString, and GeometryCollections containing linear geometries. Use ST_Perimeter for polygons.
ST_Length2D

​
Return type

A numeric value.

​
Example

SELECT ST_Length2D(ST_GeomFromWKT('LINESTRING(38 16,38 50,65 50,66 16,38 16)'))

123.0147027033899