[gradsusr] grads and matlab

[Arlindo da Silva]

On Fri, Nov 19, 2010 at 2:26 PM, Marcio Moraes <Marcio.Moraes at tvrl.lth.se>wrote:

> hello,
>
> Anybody knows some m-files that can read grads file?
> I have been tried Grads Matlab interface from Christophe Sturm, but doesn't
> work.
>
>
You may want to try the grads-matlab interface, see this:

http://opengrads.org/wiki/index.php?title=JyGrADS:_Java_and_Matlab_interface_to_GrADS_through_Jython

The jygrads_superpack.jar is temporarily available from

         http://opengrads.org/devel/jygrads/

To give you an quick idea of the interface:

  ga = grads('grads -lb',0);
  fh = ga.open('data/model');

  [ts,g] = ga.expr('ts');

  pcolor(g.lon,g.lat,ts);
  shading('interp');
  title('Surface Temperature');
  xlabel('Longitude');
  ylabel('Latitude');

The idea is eliminate any need for file conversion: anything grads can read
becomes available to matlab. The only requirement is that you have grads v2
installed and on your path, either the COLA or opengrads releases should do
it. This interface should be considered alpha-beta quality as I have not use
it as extensively as the python or perl interfaces.

   Arlindo




> Thanks,
>
> Marcio.
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-- 
Arlindo da Silva
dasilva at alum.mit.edu
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