[FWTools] convert postgis data to kml

Stefan Keller sfkeller at gmail.com
Wed Apr 2 19:22:30 EDT 2008

You can either use pgsql2shp from directory pgsql/bin, and then use OGR
(from GDAL/OGR/FWTools) to convert to KML
or you try it in one step like this using FWTools:
% ogr2ogr -f "KML" neighborhoods.kml PG:"host=myhost user=myloginname
dbname=mydbname password=mypassword" -sql "select gid, name, the_geom from
-- Stefan

2008/4/2, Shad Keene <shadkeene at hotmail.com>:
> Hi,
> My goal is to display various shapes(polygons, points, linestring) on
> google maps by using data entered into a postgis database.  I was looking
> for a way to do this that used the spatial structure already provided in
> postgis(already designating if shape is a linestring or polygon, etc)
> instead of parsing out the coordinates and then re-entering spatial
> structure in google maps.  I saw that google maps api is now compatible with
> kml data formats.  And then I read that FWTools can convert postgis data to
> kml format.
> I've done some reading in the forums about the actual process of
> converting postgis data to kml via FWTools, but didn't see anything that
> would help me.  I'm new to kml but am familiar with postgis and perl
> language.  Is there a tutorial for the process of converting postgis data to
> kml?  Where can I get started?  Thanks for any help,
> Shad
> *
> *
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