[ncl-talk] File not supported

Debasish Hazra debasish.hazra5 at gmail.com
Wed Nov 4 11:51:31 MST 2015


Any help, on how to read that file in NCL ?

Debasish.

On Tue, Nov 3, 2015 at 2:03 PM, Debasish Hazra <debasish.hazra5 at gmail.com>
wrote:

> Thanks David. It is a binary file, I could create a GrADS .ctl file, which
> is attached.
>
> On Tue, Nov 3, 2015 at 1:46 PM, David Brown <dbrown at ucar.edu> wrote:
>
>> Hi Debasish,
>>
>> This file does not appear to be a grib file. Both wgrib and wgrib2
>> fail to open it, so it is not just NCL that has a problem with it.
>>
>> Here is wgrib and wgrib2  output:
>>
>> $ wgrib ngac.t00z.aerf15
>> found unidentified data
>> $ wgrib2 ngac.t00z.aerf15
>> $                                             # no output at all
>>
>> There appears to be some ascii data in the file that suggests
>> atmospheric data. The first few characters hint at some kind of binary
>> format:
>>
>> 0NEMSIO  GFS     bin4
>>
>> You will need to find out from the source what sort of file this is
>> and what needs to be done to make sense of it.
>>  -dave
>>
>>
>>
>> On Tue, Nov 3, 2015 at 10:57 AM, Debasish Hazra
>> <debasish.hazra5 at gmail.com> wrote:
>> > Hi,
>> >
>> > I got the following error message when trying to open a grib file using
>> NCL
>> > (6.3) :
>> >
>> >   ncl_filedump ngac.t00z.aerf15.grb
>> >  Copyright (C) 1995-2014 - All Rights Reserved
>> >  University Corporation for Atmospheric Research
>> >  NCAR Command Language Version 6.3.0-09Oct2014_0233
>> >  The use of this software is governed by a License Agreement.
>> >  See http://www.ncl.ucar.edu/ for more details.
>> > fatal:An internal error has occurred. The file format requested does not
>> > appear to be supported, could not open (ngac.t00z.aerf15.grb)
>> >
>> > Variable: f
>> > Type: file
>> > (0) File Missing Value : -1
>> >
>> > I uploaded the file in the ftp site of yours. Any help.
>> >
>> >  Many thanks.
>> >
>> >  Debasish.
>> >
>> >
>> >
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>>
>
>
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