[GRASS-user] Datum not recognized by Grass

[Helmut Kudrnovsky]

Markus Neteler wrote
> Hi,
> 
> On Mon, Dec 2, 2019 at 9:49 AM Zoltan Szecsei <

> zoltans at .co

> > wrote:
>>
>> Hi,
>> I'm using EPSG 2932 and QGIS etc all are OK with it.
>>
>> I have installed everything using OSGeo4W64, so how come Grass does not
>> use the same projections database (as QGis etc)?
>> (and please can I have a pointer as to how to introduce EPSG 2932 to
>> Grass 7.8.1)
>>
>> Thanks and regards,
>> Zoltan
>>
>> ******** Running against:
>> D:\GDBroad_tiles\shp_road_poly_few\23103770_road_poly.shp
>> WARNING: Datum 
> <Qatar_National_Datum_1995>
>  not recognised by GRASS and
>> no parameters found
> 
> Is it possible that you have a PROJ software version mixup?
> 
> I tried on my Linux box:
> 
> grass78 -c epsg:2932 ~/grassdata/test_2932
> Starting GRASS GIS...
> Creating new GRASS GIS location 
> <test_2932>
> ...
> Cleaning up temporary files...
> 
>           __________  ___   __________    _______________
>          / ____/ __ \/   | / ___/ ___/   / ____/  _/ ___/
>         / / __/ /_/ / /| | \__ \\_  \   / / __ / / \__ \
>        / /_/ / _, _/ ___ |___/ /__/ /  / /_/ // / ___/ /
>        \____/_/ |_/_/  |_/____/____/   \____/___//____/
> 
> Welcome to GRASS GIS 7.8.2dev (ad4836c73)
> ...
> 
> GRASS 7.8.2dev (test_2932):~ > g.proj -w
> PROJCS["QND95 / Qatar National Grid",
>     GEOGCS["QND95",
>         DATUM["Qatar_National_Datum_1995",
>             SPHEROID["International 1924",6378388,297,
>                 AUTHORITY["EPSG","7022"]],
>            
> TOWGS84[-119.4248,-303.65872,-11.00061,1.164298,0.174458,1.096259,3.657065],
>             AUTHORITY["EPSG","6614"]],
>         PRIMEM["Greenwich",0,
>             AUTHORITY["EPSG","8901"]],
>         UNIT["degree",0.0174532925199433,
>             AUTHORITY["EPSG","9122"]],
>         AUTHORITY["EPSG","4614"]],
>     PROJECTION["Transverse_Mercator"],
>     PARAMETER["latitude_of_origin",24.45],
>     PARAMETER["central_meridian",51.21666666666667],
>     PARAMETER["scale_factor",0.99999],
>     PARAMETER["false_easting",200000],
>     PARAMETER["false_northing",300000],
>     UNIT["metre",1,
>         AUTHORITY["EPSG","9001"]],
>     AXIS["Easting",EAST],
>     AXIS["Northing",NORTH],
>     AUTHORITY["EPSG","2932"]]

C:\>g.proj -w
PROJCS["QND95 / Qatar National Grid",
    GEOGCS["QND95",
        DATUM["Qatar_National_Datum_1995",
            SPHEROID["International 1924",6378388,297,
                AUTHORITY["EPSG","7022"]],
           
TOWGS84[-119.4248,-303.65872,-11.00061,1.164298,0.174458,1.096259,3.657065],
            AUTHORITY["EPSG","6614"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4614"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",24.45],
    PARAMETER["central_meridian",51.2166666666667],
    PARAMETER["scale_factor",0.99999],
    PARAMETER["false_easting",200000],
    PARAMETER["false_northing",300000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2932"]]




-----
best regards
Helmut
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