[GRASS-user] Datum in new grass location

[Markus Neteler]

On Sat, Jan 10, 2009 at 10:38 AM, edmondo.elisei
<edmondo.elisei at gmail.com> wrote:
> Dear All,
> I'm using GRASS 6.3 (both linux and Win) and I need to reprojecting
> raster data from Lat/Long  WgS84 to UTM33N ED50.
>
> I've defined a new location for UTM33-N ED50 with the corresponding EPSG
> code (23033), but  grass has reported this alert"
> g.proj: WARNIG: DATUM unknown not recognized by grass and no parameters
> found".

GRASS 6.4.svn (spearfish60):~ > g.proj -c epsg=23033 location=ed50
Location ed50 created!

GRASS 6.4.svn (spearfish60):~ > exit

grass64 ~/grassdata/ed50/PERMANENT/
GRASS 6.4.svn (ed50):~ > g.proj -w
PROJCS["UTM Zone 33, Northern Hemisphere",
    GEOGCS["international",
        DATUM["European_Datum_1950",
            SPHEROID["International_1924",6378388,297]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",15],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1]]

Looks good to me.

> So, the new location datum is by default WGS84,  not ED50.
>
> it's a bug or I wrong anything?

Which was your command to generate it?

Markus