No worries. Thank you for the update. Looking forward to hear about this.
Cheers
Cos
On 30 Apr 2013, at 15:51, Sean Arms <sarms@xxxxxxxxxxxxxxxx> wrote:
> Greetings Cosmin,
>
> So sorry for the delay - this may be a bug in our Gaussian grid code. We are
> going to have a meeting today, and I'll find out more details then and let
> you know.
>
> Again, apologies for the delay,
>
> Sean
>
> On 4/24/13 1:17 AM, Cosmin Marginean wrote:
>> Hi Sean,
>>
>> Are there any updates on this? Anything else we need to provide?
>>
>> Cheers
>> Cos
>>
>>
>> On Tue, Apr 16, 2013 at 1:10 PM, Cosmin Marginean <cosminaru@xxxxxxxxx>
>> wrote:
>> Hi Sean,
>>
>> I've chased this but we've been told that this information is available
>> here: http://www.ecmwf.int/publications/manuals/grib_api/
>>
>> Is this of any use? Or can you elaborate more on what exactly is needed?
>>
>> Cheers,
>> Cos
>>
>> On 8 Apr 2013, at 16:45, Cosmin Marginean <cosminaru@xxxxxxxxx> wrote:
>>
>>> Thanks Sean,
>>>
>>> I am chasing this and will get back to you as soon as I have more.
>>>
>>> Thanks
>>> Cos
>>>
>>> On 8 Apr 2013, at 16:38, Sean Arms <sarms@xxxxxxxxxxxxxxxx> wrote:
>>>
>>>> Hi Cos,
>>>>
>>>> Unfortunately, this won't help much. With GRIB, we really need the exact
>>>> table used
>>>> to create the file in order to read it with any level of confidence.
>>>> netCDF-Java relies
>>>> on these tables in order to be as generic as possible; the wgrib2 utility
>>>> has some
>>>> "fixes", at the code level, to explicitly handle corner cases.
>>>>
>>>> Cheers,
>>>>
>>>> Sean
>>>>
>>>> On 4/8/13 3:46 AM, Cosmin Marginean wrote:
>>>>> Hi Sean,
>>>>>
>>>>> We are currently chasing this. In the mean time, is this something that
>>>>> would help?
>>>>> http://www.ecmwf.int/services/archive/d/table/grib_table_2_versions/
>>>>>
>>>>> Cheers
>>>>> Cos
>>>>>
>>>>> On 5 Apr 2013, at 20:16, Sean Arms <sarms@xxxxxxxxxxxxxxxx> wrote:
>>>>>
>>>>>> Greetings Cosmin,
>>>>>>
>>>>>> It looks like there is a grib table problem. It's possible that ECMWF
>>>>>> used a grib
>>>>>> table that overwrote some of the standard WMO table entries and thus we
>>>>>> have
>>>>>> issues decoding the grib file. Would you happen to have the grib2 table
>>>>>> that
>>>>>> corresponds to this data file, or would you know whom to contact to get
>>>>>> that
>>>>>> table?
>>>>>>
>>>>>> Cheers,
>>>>>>
>>>>>> Sean
>>>>>>
>>>>>> On 4/5/13 12:34 PM, Sean Arms wrote:
>>>>>>> Greetings Cosmin,
>>>>>>>
>>>>>>> Yes, I have the file now. Let me do some digging and I'll let you know
>>>>>>> what I find.
>>>>>>>
>>>>>>> Cheers,
>>>>>>>
>>>>>>> Sean
>>>>>>>
>>>>>>> On 4/5/13 2:01 AM, Cosmin Marginean wrote:
>>>>>>>> Hi Sean,
>>>>>>>>
>>>>>>>> Just wanted to confirm that you got the file? Please let me know if
>>>>>>>> there is anything else that I can help with.
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Cosmin
>>>>>>>>
>>>>>>>> On 3 Apr 2013, at 16:37, Sean Arms <sarms@xxxxxxxxxxxxxxxx> wrote:
>>>>>>>>
>>>>>>>>> Greetings Cosmin,
>>>>>>>>>
>>>>>>>>> Would it be possible to get a sample grib file for us to work with
>>>>>>>>> here
>>>>>>>>> at Unidata? If so, please upload an example here:
>>>>>>>>>
>>>>>>>>> motherlode.ucar.edu/repository/alias/netcdfuploads
>>>>>>>>>
>>>>>>>>> Thanks!
>>>>>>>>>
>>>>>>>>> Sean
>>>>>>>>>
>>>>>>>>> On 4/3/13 7:26 AM, Cosmin Marginean wrote:
>>>>>>>>>>
>>>>>>>>>> Hi Sean,
>>>>>>>>>>
>>>>>>>>>> Yes, sorry, forgot to mention that - we are indeed using 4.3.16
>>>>>>>>>>
>>>>>>>>>> Cheers
>>>>>>>>>> Cos
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>> Greetings Cosmin,
>>>>>>>>>>>
>>>>>>>>>>> I just want to make sure you are trying this using the latest
>>>>>>>>>>> version of netCDF-Java,
>>>>>>>>>>> which is 4.3.16:
>>>>>>>>>>>
>>>>>>>>>>> http://www.unidata.ucar.edu/blogs/news/entry/netcdf_java_library_and_tds1
>>>>>>>>>>>
>>>>>>>>>>> Thanks!
>>>>>>>>>>>
>>>>>>>>>>> Sean
>>>>>>>>>>>
>>>>>>>>>>> On 4/3/13 6:23 AM, Cosmin Marginean wrote:
>>>>>>>>>>>> Hello,
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> We are working on reading some of the ECMWF's Super Hi Res GRIB
>>>>>>>>>>>> files, delivered in GRIB2 format, using a Gaussian grid.
>>>>>>>>>>>>
>>>>>>>>>>>> There are some situations where we cannot read some of these files
>>>>>>>>>>>> since the code crashes as soon as we try to open the dataset:
>>>>>>>>>>>>
>>>>>>>>>>>> NetcdfDataset dataset = NetcdfDataset.openDataset(filePath);
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> We are currently not sure what causes this, since using other
>>>>>>>>>>>> tools (wgrib2) we can access this data. However, using the NetCDF
>>>>>>>>>>>> Java library we get this type of exception as soon as we open the
>>>>>>>>>>>> file:
>>>>>>>>>>>>
>>>>>>>>>>>> java.lang.IllegalArgumentException: Dimension length =-9999
>>>>>>>>>>>> must be > 0
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> We'd like to know if you happened to run into this or if you know
>>>>>>>>>>>> what might cause it.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Thank you in advance,
>>>>>>>>>>>>
>>>>>>>>>>>> Cosmin
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
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>>>>>>>>>>>> netcdf-java@xxxxxxxxxxxxxxxx
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>>>>>>>>>>>
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>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> netcdf-java mailing list
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>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>
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>>>>>
>>>>
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>>>
>>
>>
>>
>>
>> --
>> Cosmin Marginean
>
