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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 >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>> netcdf-java mailing list >>>>>>>>>>>> netcdf-java@xxxxxxxxxxxxxxxx >>>>>>>>>>>> For list information or to unsubscribe, visit: >>>>>>>>>>>> http://www.unidata.ucar.edu/mailing_lists/ >>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> netcdf-java mailing list >>>>>>>>>>> netcdf-java@xxxxxxxxxxxxxxxx >>>>>>>>>>> For list information or to unsubscribe, visit: >>>>>>>>>>> http://www.unidata.ucar.edu/mailing_lists/ >>>>>>>>>> >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> netcdf-java mailing list >>>>>>>>> netcdf-java@xxxxxxxxxxxxxxxx >>>>>>>>> For list information or to unsubscribe, visit: >>>>>>>>> http://www.unidata.ucar.edu/mailing_lists/ >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> netcdf-java mailing list >>>>>>> netcdf-java@xxxxxxxxxxxxxxxx >>>>>>> For list information or to unsubscribe, visit: >>>>>>> http://www.unidata.ucar.edu/mailing_lists/ >>>>>> >>>>>> _______________________________________________ >>>>>> netcdf-java mailing list >>>>>> netcdf-java@xxxxxxxxxxxxxxxx >>>>>> For list information or to unsubscribe, visit: >>>>>> http://www.unidata.ucar.edu/mailing_lists/ >>>>> >>>> >>>> _______________________________________________ >>>> netcdf-java mailing list >>>> netcdf-java@xxxxxxxxxxxxxxxx >>>> For list information or to unsubscribe, visit: >>>> http://www.unidata.ucar.edu/mailing_lists/ >>> >> >> >> >> >> -- >> Cosmin Marginean >
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