PostGIS 1.5.8 Manual - Fedora Project Packages GIT repositories

PostGIS 1.5.8 Manual276 / 310• ST_Force_3DZ - Forces the geometries into XYZ mode. This is a synonym for ST_Force_3D.• ST_Force_4D - Forces the geometries into XYZM mode.• ST_Force_Collection - Converts the geometry into a GEOMETRYCOLLECTION.• ST_GeoHash - Return a GeoHash representation (geohash.org) of the geometry.• ST_GeogFromWKB - Creates a geography instance from a Well-Known Binary geometry representation (WKB) or extendedWell Known Binary (EWKB).• ST_GeomFromEWKB - Return a specified ST_Geometry value from Extended Well-Known Binary representation (EWKB).• ST_GeomFromEWKT - Return a specified ST_Geometry value from Extended Well-Known Text representation (EWKT).• ST_GeomFromText - Return a specified ST_Geometry value from Well-Known Text representation (WKT).• ST_GeomFromWKB - Creates a geometry instance from a Well-Known Binary geometry representation (WKB) and optionalSRID.• ST_GeometryN - Return the 1-based Nth geometry if the geometry is a GEOMETRYCOLLECTION, MULTIPOINT, MUL-TILINESTRING, MULTICURVE or MULTIPOLYGON. Otherwise, return NULL.• = - Returns TRUE if A’s bounding box is the same as B’s (uses float4 boxes).• &