[ncl-talk] reading grib2 file

[Debasish Hazra]

Sorry Mary for replying late. Is there any way development verison 6.5.0
available so I can try out reading these files ?

Debasish

On Thu, May 3, 2018 at 2:17 PM, Mary Haley <haley at ucar.edu> wrote:

> Hi Debasish,
>
> I think this has already been fixed, and we have a development version of
> NCL if you want to try it out.
>
> Doing an ncl_filedump on your file, I no longer see the errors and there's
> an additional variable added.
>
> I've attached the "ncl_filedump" output from both NCL V6.4.0 and NCL
> V6.5.0 (develop) if you want to compare.
>
> I've also attached PNGs showing the plots. The 6.4.0 version only has one
> plot, because it doesn't recognize the two variables. The 6.5.0 version has
> two plots.
>
> --Mary
>
>
>
>
> On Wed, May 2, 2018 at 8:30 AM, Debasish Hazra <debasish.hazra5 at gmail.com>
> wrote:
>
>> Thanks Dennis. So, I have to use GrADS or something else to read this.
>> Will wait for updated version of NCL that fixes this bug.
>>
>> Debasish.
>>
>> On Tue, May 1, 2018 at 11:09 PM, Dennis Shea <shea at ucar.edu> wrote:
>>
>>> I believe this is related to an existing bug ticket:
>>>
>>> NCL-2202:  GRIB2 products templates relating to aerosols are not
>>> correctly decoded
>>>
>>> Currently, this is targeted for a fix in 6.5.1 not the
>>> soon-to-be-released 6.5.0
>>>
>>> The description has:
>>>
>>> "GRIB2 product templates 40 - 48, which relate to "atmospheric chemical
>>> constituents" and aerosols are imperfectly decoded by NCL. They also
>>> introduce a new criteria for distinguishing between variables that is not
>>> detected. Fixing this will require some work and perhaps a new addition to
>>> the naming scheme."
>>>
>>>
>>> D
>>>
>>> On Tue, May 1, 2018 at 8:26 PM, Debasish Hazra <
>>> debasish.hazra5 at gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am trying to read the attach file using v 6.4, but I am getting one
>>>> record read by NCL, whereas, wgrib2 reads two records. Any help both
>>>> records can be read using NCL ?
>>>>
>>>> Thanks
>>>> Debasish
>>>>
>>>>
>>>>
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>>
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