[R-sig-Geo] opening a grd file (Surfer)

[Roger Bivand]

On Thu, 9 Oct 2008, Anne Goarant wrote:

> Hello!
>
> Does anyone know how to open a .grd file (surfer type file) with R (or 
> convert this kind of file in ascii)? I tried using the RSAGA library but 
> failed.
> rsaga.geoprocessor("io_grid", 3, list( FILE = '10s70s0e150e.sgrd'))
> This are bathymetry data from the GEBCO website.

The  GS7BG -- Golden Software Surfer 7 Binary Grid File Format, or GSBG -- 
Golden Software Binary Grid File Format drivers in the rgdal package ought 
to open these files for reading. They are in the CRAN Windows binary 
package.

Roger

>
> Thanks
> Anne
>
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-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no