[postgis-users] (no subject)

[Frank Warmerdam]

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,

-- 
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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