[gdal-dev] GeoTiff ProjectedCSTypeGeoKey SIRGAS2000 31983

[Jean-Claude Repetto]

On 21/12/2012 15:49, reinaldo at geodesign.com.br wrote:
> Ivan,
> 
> Do you know the correct specification of GeoTiff's ProjectedCSTypeGeoKey
> for SIRGAS2000 EPSG: 31983?
> 
> I get Unknown-31983 with gdal utility programs.
> 
> Thanks,

GDAL knows this system :

$ epsg_tr.py 31983
PROJCS["SIRGAS 2000 / UTM zone 23S",
    GEOGCS["SIRGAS 2000",
        DATUM["Sistema_de_Referencia_Geocentrico_para_las_AmericaS_2000",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6674"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4674"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-45],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",10000000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","31983"]]