On 02/03/12 00:31, David Baker (Geoscience) wrote:
All,

Working in C#... I have need for EPSG:4418. Per
http://www.epsg-registry.org/ this is the code for “ProjectedCRS [NAD27
/ BLM 18N (ftUS)]”. This code does not seem to be in the GDAL/OGR/Prog4
database in FWTools2.4.7. Executing the line:

var i = src.ImportFromEPSG(4418);

This call returns an error indicating the code is invalid.

Hello,

In GDAL 1.9, it is not missing. Have you tried epsg_tr.py ?

$ epsg_tr.py 4418
PROJCS["NAD27 / BLM 18N (ftUS)",
    GEOGCS["NAD27",
        DATUM["North_American_Datum_1927",
            SPHEROID["Clarke 1866",6378206.4,294.9786982138982,
                AUTHORITY["EPSG","7008"]],
            AUTHORITY["EPSG","6267"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4267"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-75],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",1640416.67],
    PARAMETER["false_northing",0],
    UNIT["US survey foot",0.3048006096012192,
        AUTHORITY["EPSG","9003"]],
    AXIS["X",EAST],
    AXIS["Y",NORTH],
    AUTHORITY["EPSG","4418"]]


Regards,
Jean-Claude
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