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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