[postgis-devel] WKB type
Paul Ramsey
pramsey at refractions.net
Fri Sep 10 08:21:59 PDT 2004
strk at refractions.net wrote:
> On Fri, Sep 10, 2004 at 12:50:13AM -0700, David Blasby wrote:
>
>>>Note that current postgis WKB output contains custom 3d extension,
>>>and LWGEOM will have the 4d extension.
>>
>>LWGEOM currently has WKB support for 2d, 3d, and 4d (written by Ralph Mason).
>>
>>dave
>
>
> I've realized that, thanks.
>
> Anyway, to sum things up new geometry representation (LWGEOM)
> will have:
>
> o WKB binary IO using AsBinary, *FromWKB (smallest binary representation)
> o WKT text IO using AsText, *FromText (most human-readable form)
> o Dave's hexized WKB using default IO (smallest text representation)
That's my understanding, and Dave's hex-wkb-plus-extras is the canonical
form, hooray no more coordinate drift.
> The 'WKB' postgresql datatype will no more be needed,
> does it sound Dave ?
More information about the postgis-devel
mailing list