> > Anybody know if there exists a file with a list of common > extents, say > > countries, continents,... > > > > This could be useful. > > > > Would there be some way to automatize the creation of such a list? > > > > > The easiest way would be to load a countries shapefile into > postgis and calculate the extent of each country: > > select extent(the_geom), name > from countries > group by name; > > I believe the community mapbuilder project also ships with an > xml file containing the extents for most countries. >
This can be found at: http://nightly.communitymapbuilder.org/mapbuilder/demo/data/locations/Gl obal.xml ..Tom
