[Mapserver-users] Is this projection parameter correct?

pond bear pond_bear at hotmail.com
Thu Jun 26 16:52:10 EDT 2003


Hi all
The projection information of the raster file is :

PROJCS["unnamed",
    GEOGCS["NAD83",
        DATUM["North_American_Datum_1983",
            SPHEROID["GRS 1980",6378137,298.2572221010042,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","6269"]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433],
        AUTHORITY["EPSG","4269"]],
    PROJECTION["Albers_Conic_Equal_Area"],
    PARAMETER["standard_parallel_1",29.5],
    PARAMETER["standard_parallel_2",45.5],
    PARAMETER["latitude_of_center",23],
    PARAMETER["longitude_of_center",-96],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]]]

The projection parameter for the map file is:

proj=aea
datum=NAD83
ellps = GRS80
lat_1=29.5
lat_2=45.5
lat_0=23
lon_0=-96
x_0=0
y_0=0

Is it correct?

Thanks a lot.

University of North Dakota

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