No subject

[Don Hooper]

Sure, templating can be done with GrADS Data Descriptor Files (DDFs),
which form the argument to the "open" and xdfopen" commands in GrADS.
Here are some web pages to help with that and the mask out question,
starting with a top-level GrADS documentation page:
http://grads.iges.org/grads/gadoc/users.html
http://grads.iges.org/grads/gadoc/templates.html
http://grads.iges.org/grads/gadoc/descriptorfile.html#TDEF
http://grads.iges.org/grads/gadoc/descriptorfile.html#OPTIONS
http://grads.iges.org/grads/gadoc/descriptorfile.html#DSET
http://grads.iges.org/grads/gadoc/gradfuncmaskout.html

Using the excellent documentation web pages is a lot more productive than
depending on the "guru method".

-Hoop
> From owner-gradsusr at LIST.CINECA.IT  Thu Jun 16 21:56:37 2005
> From: See Hai Ooi <axl419 at YAHOO.COM>
>
> Mr. Don Hooper,
>
>     Thank you very much indeed.  However, can I say
> that your suggested method may not be possible for
> those non NetCDF files, such as those .grb with
> accompanying .ctl ?  By the way, is it possible for
> you to show me how to use land.nc to maskout the land
> area for me to get the sst only ?
>
>     Regards.
>
> Ooi See Hai
>
> --- Don Hooper <hoop at COLORADO.EDU> wrote:
>
> > I've no idea why you are going to so much trouble. If you have N years of
> > these files, starting in year M, totalling Y timesteps, you can open them
> > all at the same time as one happy timeseries:
> > sdfopen /path/to/air.M.nc air.%y4.nc Y
> >
> > Then, you can set time to any points in the interval covered by all of the
> > files together.  Simple.  No creating of any extra files needed.
> >
> > -Hoop
> > > From owner-gradsusr at LIST.CINECA.IT  Thu Jun 16 20:00:01 2005
> > > From: See Hai Ooi <axl419 at YAHOO.COM>
> > >
> > > Hi Arpita,
> > >
> > > Sorry, the correct data descriptor file should be as
> > > follows:-
> > >
> > > (B) msst.ctl
> > >     ----------
> > >      dset    d:\cdc\workarea\msst.dat
> > >      undef   -9.99e+33
> > >      title   daily skin temperature[311204-010105]
> > >      xdef    25 linear  80.0 2.5
> > >      ydef    25 linear -20.0 2.5
> > >      zdef    0  linear 0 0
> > >      tdef    8 linear 00Z31dec2004 6hr
> > >      vars    1
> > >      skt     0 99 1 skin temperature [deg. c]
> > >      endvars
> > >
> > >     Regards.
> > >
> > > OOI See-hai
> > > Malaysia