ST_AsHEXEWKB
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Name

ST_AsHEXEWKB — Returns a Geometry in HEXEWKB format (as text) using either little-endian (NDR) or big-endian (XDR) encoding.

Synopsis

text ST_AsHEXEWKB(geometry g1, text NDRorXDR);

text ST_AsHEXEWKB(geometry g1);

Description

Returns a Geometry in HEXEWKB format (as text) using either little-endian (NDR) or big-endian (XDR) encoding. If no encoding is specified, then NDR is used.

[Note]

Availability: 1.2.2

This function supports 3d and will not drop the z-index.

This method supports Circular Strings and Curves.

Examples

SELECT ST_AsHEXEWKB(ST_GeomFromText('POLYGON((0 0,0 1,1 1,1 0,0 0))',4326));
		which gives same answer as

		SELECT ST_GeomFromText('POLYGON((0 0,0 1,1 1,1 0,0 0))',4326)::text;

		st_ashexewkb
		--------
		0103000020E6100000010000000500
		00000000000000000000000000000000
		00000000000000000000000000000000F03F
		000000000000F03F000000000000F03F000000000000F03
		F000000000000000000000000000000000000000000000000