PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ PG_FUNCTION_INFO_V1() [16/87]

PG_FUNCTION_INFO_V1 ( LWGEOM_length_linestring  )

find the "length of a geometry" length(point) = 0 length(line) = length of line length(polygon) = 0 – could make sense to return sum(ring perimeter) uses euclidian 3d/2d length depending on input dimensions.