Free high-quality country and administrative boundaries
Brent Wood <[email protected]>
| Newsgroups | gmane.comp.gis.freegis |
|---|---|
| Message-ID | <[email protected]> |
> What is the best *free* data in the following categories ? > I'm listing the best thing I've found so far. > > * coastlines > GSHHS > * topography > GTOPO30, should I check GLOBE G.O.O.D.? > * bathymetry > ETOPO2 > * satellite images > BlueMarble > * names of places > GEOnet Names Server data > * rivers, lakes (the two need to be consistent, so I probably shouldn't use > GSHHS for lakes) > CIA WDB2 > * political and administrative boundaries > CIA WDB2 (ouch - needs something much better) > * roads, railways etc. > hardly anything found > > anything interesting I missed ? "best" is not easy, best for what purpose? I'm also assuming you are looking for global datasets. Some stuff which I'd rank as very interesting includes: vmap0/igns world vector data ? (not sure if this is synonymous with CIA but does include roads/rail to a reasonable global coverage) SRTM based land elevation data STRM/ETOPO based land/sea elevation/bathymetry This message from the GMT archives might help http://wegener.mechanik.tu-darmstadt.de/GMT-Help/Archiv/12967.html also see ftp://topex.uscd.edu/pub/srtm30_plus Cheers, Brent Wood