[postgis-users] newbie question about non closed rings
G. van Es
gves2000 at yahoo.com
Fri Apr 17 10:50:51 PDT 2009
OK, I can try that as well. Using wkt doesn't give as much errors as binary. As said i'm a newbie on this so I am learnig with every post so keep on posting, I will follow it with great interest.
Thanks all for your answers.
--- On Wed, 4/15/09, Paragon Corporation <lr at pcorp.us> wrote:
> From: Paragon Corporation <lr at pcorp.us>
> Subject: RE: [postgis-users] newbie question about non closed rings
> To: "'PostGIS Users Discussion'" <postgis-users at postgis.refractions.net>
> Date: Wednesday, April 15, 2009, 4:30 PM
> For this kind of thing I usually output to wkt and then use
> sed to convert
> the POLYGON/MULTIPOLYGON to MULTILINESTRING format.
> Then I bring the data
> in as MULTILINESTRING/LINESTRING and use BuildArea to
> reform the POLYGONS
> using the ST_SnapToGrid approach Kevin outlined.
> I'm sure there is probably an easier way, but haven't
> thought of it. Since
> PostGIS won't allow these geometries in at all.
> Mark Cave-Ayland,
> I forget were we planning on making this a switch option in
> later versions
> of PostGIS? So that you could bring in polygons with
> unclosed rings and fix
> them in the db?
> Hope that helps,
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