[postgis-users] Wrong format: PostGIS misses a " " in it's WKT output?

Rémi c remi.cura at gmail.com
Mon Apr 26 07:54:15 PDT 2021


Thanks @Paul Ramsey <pramsey at cleverelephant.ca> !
Remi

Le ven. 23 avr. 2021 à 16:24, Paul Ramsey <pramsey at cleverelephant.ca> a
écrit :

> Since hopefully most parsers will consume either version (and kind of have
> to) just go with emitting whatever makes you feel good, no?
>
> > On Apr 23, 2021, at 1:21 PM, Rémi c <remi.cura at gmail.com> wrote:
> >
> > Hey Paul, great to hear from you!
> > Yeah I agree this is a bit confusing :-/
> >
> > The standards are here, page 54.
> > The interesting line is ```<polygon tagged text> ::= polygon <polygon
> text>```
> > Where `<polygon text>` is then refined into EMPTY or a list of
> linestrings between parenthesis.
> >
> > It looks like the python lib Shapely enforces the space.
> > Not sure what to do here, I'd like to follow the standard,
> > but the PostGIS is kind of the standard way to follow the standard.
> >
> > Remi
> >
> >
> >
> > Le ven. 23 avr. 2021 à 15:50, Paul Ramsey <pramsey at cleverelephant.ca> a
> écrit :
> > Reference please? In general the OGC standards have a lot of room for
> interpretation in them.
> > Certainly we've done it this way for 20 years, so :)
> > P.
> >
> > > On Apr 23, 2021, at 12:44 PM, Rémi c <remi.cura at gmail.com> wrote:
> > >
> > > Hey dear list,
> > > I'm looking at ST_asWKT() function.
> > > I noticed an issue here:
> > > PostGIS outputs something like:
> > > `POLYGON((1 2, 2 3, 3 4, 1 2))`
> > > Yet the WKT standard requires a space after `POLYGON`, like
> > > `POLYGON ((1 2, 2 3, 3 4, 1 2))`
> > >
> > > Am I missing something here?
> > > Thanks folks.
> > > Remi
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