From: Frank Warmerdam <warmerdam@pobox.com>
Subject: [postgis-users] (no subject)
Date: Sun, 03 Nov 2002 10:07:11 -0500
Message-ID: <3DC53B9F.1060907@pobox.com> (raw)
References: <F1221xi9nreB8gRc0Ui0000cc75@hotmail.com>
Geoff Anderson wrote:
> Hi,
>
> I am eagerly awaiting the addition of topological operators to
> PostGIS. In the mean time for fun I'm hacking together a GML centric
> vector overlay thing built around PostGIS, Java2D and a lot of PHP.
> Clearly there's lot's of good reasons why you can't do real spatial
> processing around massive text files, but is there a particularly
> good/fast PostGIS to GML writer out there? What's the best way to
> bounding box intersect two tables? (select the features from table_a
> that intersect the selected features of table_b...) And how soon will I
> be able to construct new geometries from of-the-shelf PostGIS sql?
Geoff,
My ogr2ogr utility can be used to dump the results of a PostGIS query to
GML. It is written in C++ and is I think at least reasonably fast.
Let me know if you want more info.
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent
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