[postgis-users] GeoJson export function

[Courtin Olivier]

Hi,

GeoJson is a format we use widely between server and Web GIS  
applications,
cf <http://wiki.geojson.org/GeoJSON_draft_version_6>

So it sounds like a good idea to have GeoJson native support
in PostGIS,

Attached to this post is a patch against current PostGIS SVN, with:
  - ST_asGeoJson implementation
  - units tests
  - DocBook documentation entry

To play with it, after installation, generate a GeoJson element:

SELECT ST_AsGeoJson(the_geom) FROM your_table LIMIT 1;

and copy/paste the result in OpenLayers:
cf <http://openlayers.org/dev/examples/vector-formats.html>

Any reaction welcome,

HTH,
--
Olivier
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