Stéphanie, On Fri, Feb 13, 2009 at 2:18 PM, FAROUX STEPHANIE <[email protected]> wrote: > Hello, > First i'd like to know if anybody already used the Hydro1k data from USGS? > I try to make global maps of parameters from continental ones. > The initial projection is lambert azimutal equal area, with different > latitude and longitude of origins for different continents. I defined one > location by continent; then i reprojected all maps in a latlon global > location, with WGS84 datum. > There are gaps between continents, for example between Asia and Europe and > between Europe and Africa. > I wonder if the problem comes: > - from the data which don't perfectly cover the earth
... could be possible, I didn't try with Hydro1k data from USGS. > - from my reprojection in grass How did you do that? Say, did you use the v.in.region trick mentioned in the r.proj manual page which helps a lot? Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
