[Gdal-dev] Bathymetry data...

[Norman Vine]

IMD Listuser writes:
> 
> I would like to be able to use a global bathymetric data set stored in a
> format which I am unfamiliar with and wondering if GDAL supports it.
> 
> The url to the data set is:
> ftp://topex.ucsd.edu/pub/global_topo_2min/
> 
> The file is topo_8.2.img and there appears to be a header
> topo_8.2.img.ers which refers to an ERStaorage format. Ive tried using
> gdalinfo to retrieve info about the file, but I receive an error to the
> effect of 'not an HFA file'.
> 
> Ideally I would like to move this data into GeoTIFF format.

Use this program to translate into a latlon netcdf file
ftp://topex.ucsd.edu/pub/global_topo_2min/src_gmt/img2latlongrd.c

and then use gdaltranslate 

Norman