I try the v.in.region + v.proj + g.region + r.proj process (explained
in the r.proj page) with a region whose reprojection doesn't allow to
get a closed boarder: the projection of the raster doesn't work. Is it
normal?
Thank you
FAROUX STEPHANIE wrote:
I did it; results are not exactly the same but it's not enough because
gaps between continents are still more important.
FAROUX STEPHANIE wrote:
Thank you for your answer Markus.
I didn't read the note in the r.proj page. I will try again and then
we will see.
Stéphanie
Markus Neteler wrote:
Stéphanie,
On Fri, Feb 13, 2009 at 2:18 PM, FAROUX STEPHANIE
<stephanie.far...@meteo.fr> 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
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