Luca, For zoom-to type applications, I prefer to use ST_expand on all geometry types. This makes sure also that a polygon isn't butting up completely against the edges of my maps.
David On Wed, Jun 11, 2008 at 8:43 AM, doktoreas <[EMAIL PROTECTED]> wrote: > > Hello everybody, > I have a db with different kind of geometry that I show using Geoserver and > OpenLayers. > For creating a simple "zoom-to-feature" function, I need to get the BBox > value for each geometry; this is not a problem for polygon and lines ( with > envelope function) but, as it's normal, can't be done for point. > My first idea is to get the point location and creating a custom BBox from > that by adding/subtracting a fixed value to the x,y. > > Is there a better way for doing this? > > Thanks > Luca > -- > View this message in context: > http://www.nabble.com/Get-BBox-from-different-kind-of-geometry-tp17777956p17777956.html > Sent from the PostGIS - User mailing list archive at Nabble.com. > > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users > -- ************************************ David William Bitner _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
