[gdal-dev] Swiss CORINE: Bessel 1841 Hotine Oblique Mercator Azimuth Natural Origin?

Markus Neteler neteler at osgeo.org
Mon Jun 8 11:24:02 EDT 2009


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)
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