[Proj] Swiss CORINE: Bessel 1841 Hotine Oblique Mercator Azimuth Natural Origin?

Markus Neteler neteler at osgeo.org
Fri Jul 10 07:59:25 EST 2009


Dear list members,

I was earlier sending this message to the gdal-dev list without
answer. trying here now:

On Mon, Jun 8, 2009 at 5:24 PM, Markus Neteler<neteler at osgeo.org> wrote:
> hi,
>
> I am trying to reproject the Swiss CORINE data CLC90 [1] into LAEA.
> The .prj file is attached. Unfortunately the transformation fails:
>
> ogr2ogr -t_srs eu_etrs89_laea.prj /tmp/clc90_eu_laea.shp /geodata/clcbn85p.shp
> ERROR 6: Failed to initialize PROJ.4 with `+proj=omerc
> +lat_0=46.95240555555556 +lonc=7.439583333333333 +alpha=90 +k=1
> +x_0=-9419820.590700001 +y_0=200000 +ellps=bessel +units=m +no_defs '.
> lat_0 = 0 or 90 or alpha = 90
> Failed to create coordinate transformation between the
> following coordinate systems.  This may be because they
> are not transformable, or because projection services
> (PROJ.4 DLL/.so) could not be loaded.
> Source:
> PROJCS["Bessel_1841_Hotine_Oblique_Mercator_Azimuth_Natural_Origin",
>    GEOGCS["GCS_Bessel_1841",
>        DATUM["Not_specified_based_on_Bessel_1841_ellipsoid",
>            SPHEROID["Bessel_1841",6377397.155,299.1528128]],
>        PRIMEM["Greenwich",0.0],
>        UNIT["Degree",0.0174532925199433]],
>    PROJECTION["Hotine_Oblique_Mercator"],
>    PARAMETER["False_Easting",-9419820.5907],
>    PARAMETER["False_Northing",200000.0],
>    PARAMETER["Scale_Factor",1.0],
>    PARAMETER["Azimuth",90.0],
>    PARAMETER["Longitude_Of_Center",7.439583333333333],
>    PARAMETER["Latitude_Of_Center",46.95240555555556],
>    UNIT["Meter",1.0]]
> Target:
> PROJCS["ETRS89 / ETRS-LAEA",
>    GEOGCS["ETRS89",
>        DATUM["European_Terrestrial_Reference_System_1989",
>            SPHEROID["GRS 1980",6378137,298.2572221010042,
>                AUTHORITY["EPSG","7019"]],
>            AUTHORITY["EPSG","6258"]],
>        PRIMEM["Greenwich",0],
>        UNIT["degree",0.0174532925199433],
>        AUTHORITY["EPSG","4258"]],
>    UNIT["metre",1,
>        AUTHORITY["EPSG","9001"]],
>    AUTHORITY["EPSG","3035"]]
>
> Suggestions welcome to reproject this data set...
>
> thanks
> Markus
>
> [1] http://www.bfs.admin.ch/bfs/portal/de/index/dienstleistungen/geostat/datenbeschreibung/corine_land_cover.html
>    Data: -> GIS-Daten CORINE Land Cover Schweiz 1990 (ZIP file)
>

Is there a way to enable PROJ4 to support this projection?

thank in advance,
Markus


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