[Wrf-users] Adding Land Uses

Juan Rafael García Blanco jgblanco.mail at gmail.com
Thu Mar 25 02:40:29 MDT 2010

Thank you. I guess I'll give a try to your method, since until now there seems to be no business with GRASS.

On Mar 24, 2010, at 9:11 PM, Jean-Louis Monge wrote:

> On Wednesday 24 March 2010 16:08:35 Juan Rafael García Blanco wrote:
>> Hello,
>> I want to add some new land uses from a CLC2000 dataset. It's delivered as a 
> GeoTiff. It's possible to do that, isn't it? But firstly I've to convert this 
> data into geogrid's binary format. I'm trying to achieve this using GRASS. The 
> motivation of this mail is I want to know if someone has proceeded as me.
>> Thank you very much.
> Hi,
> You can list the header content with the command "listgeo" from the geotiff 
> package. That will give you informations about the grid.
> $ listgeo <my_geotiff_file>
> Then, with "convert" from ImageMagick, you convert your GeoTiff file into a 
> ".gray" file, where each byte contains an "unsigned byte" which is the ID code 
> of the pixel :
> For instance :
> $ convert GLOBCOVER_200412_200606_V2.2_Global_CLA.tif   CLA.gray
> Then, it should not be too difficult to write some lines of Fortran to convert 
> the .gray file into the  format required by geogrid.

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