converting binary file fw to control file ctl

[Daniel Fritz]

Hello Everyone,
    from using gxout fwrite in grads
 there come a binary file example: filename.fx , how
do you convert the fw binary file to a control
file?????  I don't quite understand from reading the
Grads manual......
    can anyone help with this???
      It's 10:30pm here, I will be up for
awhile..please feel free to email...
                  DANNY

--- Adam Sobel <ahs129 at COLUMBIA.EDU> wrote:

> Thanks Arlindo, took a bit of redoing to get the ctl
> file to work with
> "open" but it
> seems to have fixed the problem now!
>
> Adam
>
> Arlindo da Silva wrote:
> > On Feb 7, 2008 12:15 AM, Adam Sobel
> <ahs129 at columbia.edu
> > <mailto:ahs129 at columbia.edu>> wrote:
> >
> >     I have a set of netcdf files, each is 1 day.
> I have a .ctl file
> >     so I can
> >     view a bunch of them together in sequence
> using xdfopen.  The ctl file
> >     is below.
> >
> >
> >
> >     If I set t to the whole time range (in this
> case set t 1 12) I can
> >     view
> >     the variables u or v just fine, e.g. make
> animations for the whole
> >     period, looks good.  But then if I do
> >
> >     define rvort=hcurl(u,v)
> >
> >     I get a segmentation fault
> >
> >
> > This is a well known problem in the v1.8/v1.9
> series (but not v1.7b9
> > and new v2). There is a memory leak in the
> sdfopen/xdfopen part of the
> > code that causes the amount of memory to increase
> with the size of the
> > timeseries until you ran out of memory. (On a
> linux system you can
> > watch this happen by opening another window and
> executing "top"). I
> > usually experience this problem with much longer
> data sets, but all
> > depends on your system load and horizontal
> resolution.
> >
> > I have a patched a version of GrADS for use at
> NASA/GMAO which is
> > built with the sdfopen/xdfopen code from  v1.7b9
> sdf/xdfopen code,
> > with some of the bugfixes up to v1.9b4. Since it
> *may* not address all
> > NetCDF files supported by v1.9b4, COLA recommended
> that this patch not
> > be included in v1.9.0-rc1. Their recommended
> action is to prepare a
> > ctl file with "DTYPE netcdf"  and use the "open"
> command. Another
> > option is the just released v2, but this version
> is still in active
> > development and is not as stable as v1.9 yet. BTW,
> this problem is
> > common to netcdf and hdf files alike.
> >
> >      Arlindo
> >
> >
> > --
> > Arlindo da Silva
> > dasilva at alum.mit.edu <mailto:dasilva at alum.mit.edu>
>
>
> --
>
----------------------------------------------------------------
> Adam H. Sobel
> Department of Applied Physics and Applied
> Mathematics
> Department of Earth and Environmental Sciences
> Columbia University
> 500 W. 120th Street, Room 217
> New York, NY 10027 USA
> tel: 212-854-6587
> fax: 212-854-8257
> e-mail: ahs129 at columbia.edu
> web: http://www.columbia.edu/~ahs129/home.html
>
> UNTIL AUGUST 2008, ON SABBATICAL at
> Bureau of Meteorology Research Centre
> GPO Box 1289
> Melbourne VIC 3001
> Australia
> tel: +61-(0)3-9669-4645
>
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>



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