[GRASS-user] problem with reprojection of Hydro1k data

[FAROUX STEPHANIE]

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.faroux at 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
>
>