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
<mailto: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
<mailto: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
<mailto: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
<mailto: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
<mailto: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
<http://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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