[gdal-dev] Problem with reading OziExplorer .map world files

Etienne Tourigny etourigny.dev at gmail.com
Sun Jan 29 15:40:21 EST 2012


does gdalinfo work with the file(s) in question? Is the appropriate
driver built into your gdal installation (try gdalinfo --formats)?

Etienne

On Sat, Jan 28, 2012 at 7:41 PM, AksakTimur <timchab at yahoo.com> wrote:
> Hey,
>
> I'm new to GDAL and I have a problem when I try to open a raster file with a
> .map worldfile(OziExplorer Map Data File):
>
> ...
> double AdfGeoTransform[6];
>
> pDataset->GetGeoTransform( AdfGeoTransform ) *returs CE_Failure!*
> ...
>
> Also, I've tried GDALLoadOziMapFile(..) and GDALReadOziMapFile(...):
>
> CString sMapFile = sFileName.Left(sFileName.GetLength() - 3)+_T("map");
>
> const char* pszFileName = CStringToCharUTF8(sMapFile );
> char*     pszWKT;
> int       nGCPCount;
> GDAL_GCP* pasGCPs;
>
> double AdfGeoTransform[6];
>
> //GDALLoadOziMapFile(pszFileName , AdfGeoTransform
> ,&pszWKT,&nGCPCount,&pasGCPs);
> GDALReadOziMapFile(pszFileName , AdfGeoTransform
> ,&pszWKT,&nGCPCount,&pasGCPs);
>
> I get  :
>
> pszWKT = GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS
> 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]
>
> nGCPCount = 1;
>
> but AdfGeoTransform[0] =-1.#QNAN00000000000, etc.
>
> I've tried a number of different .map worldfiles. Didn't work.
> May be there is no support for .map worldfiles?
> Any idea what' s wrong?
>
> Regards
>
> --
> View this message in context: http://osgeo-org.1560.n6.nabble.com/Problem-with-reading-OziExplorer-map-world-files-tp4346806p4346806.html
> Sent from the GDAL - Dev mailing list archive at Nabble.com.
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev


More information about the gdal-dev mailing list