[postgis-devel] Description of EWKB

[Mateusz Loskot]

Frédérick Sauvage wrote:
> Hello,
> 
> I don't know how to know this EWKB/T specification :/

It's always a good idea to search the list archives:

http://postgis.refractions.net/pipermail/postgis-users/2005-October/009752.html

so you can find following helpful resources:

http://svn.refractions.net/postgis/trunk/doc/ZMSgeoms.txt

Here you can find EWKB/EWKT overview and canonical forms:

http://postgis.refractions.net/docs/ch04.html#id2521743

Cheers
-- 
Mateusz Loskot
http://mateusz.loskot.net