GEOSGemoentry hex method does not return HEXEWKB

[James]

The documentation states that the hex member returns the HEXEWKB of a geometry. This isn't true, it is only returning the hex value without the SRID embeded into it as the HEXEWKB should.
Example of issue:

(FROM PYTHON)
> p = django.contrib.gis.geos.GEOSGeometry('POINT(2 3)',4326)
> p.ewkt
 'SRID=4326;POINT (2.0000000000000000 3.0000000000000000)'
> p.hex
 '010100000000000000000000400000000000000840'
 
 (FROM PostGres with PostGIS)
 postgres=# SELECT GeometryFromText('POINT(2 3)', 0);
                   geometryfromtext
 ----------------------------------------------------
  01010000200000000000000000000000400000000000000840
 (1 row)
 
 postgres=# SELECT GeometryFromText('POINT(2 3)', 4326);
                   geometryfromtext
 ----------------------------------------------------
  0101000020E610000000000000000000400000000000000840
 (1 row)

The output above verifys that the SRID information isn't being returned as part of the hex result of the geometry. Either the documentation is incorrect and a method should be provided that does return the HEXEWKB or there is a bug where the srid isn't being considered when calculating the HEXEWKB value.

The documentation I am looking at:
​http://geodjango.org/docs/geos.html#hex

[Alex Gaynor]

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