[postgis-users] help setting up postgis

Nicolas Ribot nicolas.ribot at gmail.com
Tue Aug 10 06:55:21 PDT 2010


> Hello
> st_astext is an OGC function supporting only 2D geometries.
> To get the textual representation of the real object, use st_asewkt
> (extended version of WKT, supporting more dimensions and SRID):
>

Hmm, I'm not very clear:
st_astext drops third and fourth dimensions when outputing its results.
The geometry itself still keeps its dimension (3D, here).

Nico



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