[gdal-dev] Problem with gdalsrsinfo on some NOAA bsb/kap files

[Even Rouault]

Le vendredi 09 novembre 2012 21:11:56, Robb K. Wright a écrit :
> I'm trying to use gdalsrsinfo (1.9) to extract out WKT-formatted info
> from NOAA's BSB/KAP files.  It works on many - but has problems with
> others - and I can't find a pattern.  I'm not sure if it is a problem
> with the BSB driver or with gdalsrsinfo, but I'm leaning toward
> gdalsrsinfo as the problem because I'm not having problems on the files
> when running the other gdal tools on them (translate/gdaladdo/etc).
> 
> Any suggestions would be appreciated.
> 
> The link below is an example of a file that is giving me problems:
> http://www.charts.noaa.gov/RNCs/11532.zip
> 
> Running:  gdalsrsinfo -V 11532_1.KAP
> gives me:
> Validate Fails - SRS is not well formed
> PROJ.4 : ''
> OGC WKT :
> "!CRR/ThiselectronicchartwasproducedundertheauthorityofUSA-NOAA/NOS.Byusing
> thischartyouacknowledgethatyouhaveread"

Are you sure you are not confusing 11532.BSB and 11532_1.KAP ? I indeed get 
the error you had, but on 11532.BSB which is not a GDAL recognized dataset. 
11532_1.KAP just works fine and gdalsrsinfo -V 11532_1.KAP output is :
Validate Succeeds

PROJ.4 : '+proj=merc +lon_0=-79 +lat_ts=0 +x_0=0 +y_0=0 +ellps=WGS84 
+towgs84=0,0,0,0,0,0,0 +units=m +no_defs '

OGC WKT :
PROJCS["Global Mercator",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563,
                AUTHORITY["EPSG","7030"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6326"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9108"]],
        AUTHORITY["EPSG","4326"]],
    PROJECTION["Mercator_2SP"],
    PARAMETER["standard_parallel_1",0],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-79],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["Meter",1]]