[postgis-devel] KML from PostGIS patch

Eduin Carrillo yecarrillo at yahoo.com
Tue Dec 5 10:47:37 PST 2006

Ok. Here a new patch with these changes. What about transform the geometry to
WGS84 directly from lwgeom_kml.c?  I made public the "transform" function in
lwgeom_pg.h (Datum transform(PG_FUNCTION_ARGS);) and tried this code but
postgresql crashes... ideas?

	geom = (PG_LWGEOM *)DatumGetPointer(DirectFunctionCall2(
		transform, PointerGetDatum(geom), 4326));


--- strk at refractions.net escribió:

> On Mon, Dec 04, 2006 at 01:02:01PM -0600, Eduin Carrillo wrote:
> > Hi list. 
> > 
> > I were looking for a fast way to produce kml code from PostGIS but AsKML
> > function were just a Wish
> > (http://postgis.refractions.net/support/wiki/index.php?WishList) . Finally,
> > this is a patch for revision 2531 to add the long waited AsKML function to
> > PostGIS.
> Hi Eduin, I took a look at your patch.
> I'd reccomend you be explicit about supported geometry types
> (there's a switch with a default case assuming it's a colelction).
> I'm sure you copied that parts from other files, but since curved
> geometries are being added we should actually be explicit
> in *all* other files too to make sure a curve is not implicitly
> considered a COLLECTION, resulting in a likely disaster.
> Also, please consider adding a regress test for the function,
> see the regress/ directory.
> --strk;

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