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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--
Cosmin Marginean
