Re: [netcdf-java] Negative and unknown enum value

• To: netcdf-java@xxxxxxxxxxxxxxxx
• Subject: Re: [netcdf-java] Negative and unknown enum value
• From: netty.jawn@xxxxxx
• Date: Mon, 5 Jul 2021 15:25:50 +0200
• Sensitivity: Normal

Hi,

attached is the LSSW-file.

> Gesendet: Montag, 05. Juli 2021 um 15:23 Uhr
> Von: netty.jawn@xxxxxx
> An: netcdf-java@xxxxxxxxxxxxxxxx
> Betreff: [netcdf-java] Negative and unknown enum value
>
> Hi,
>
> I am using netcdf-java 5.3.3 to read various bufr-files. It works very well, 
> but 2 things are strange:
>
> 1. Compared to other tools, I got sometimes different values for the variable 
> "obs.Radiosonde_type", -114 in this case. This is a invalid value, since the 
> values of this enum are only positive.
>
> 2. I also got "Unknown enum value" for several enums, for example 
> "obs.Radiosonde_type". In netcdf-java 5.4.1 these values are NULL. I am not 
> sure, if this a problem with your library, since many (not all) enums can be 
> transformed to string (NetcdfDatasets does this job) and only BUFRdisplay was 
> able to transform "obs.Radiosonde_type" for me.
>
> Here are my test results:
> - BUFR Viewer https://kunden.dwd.de/bufrviewer/
>               LSSW    0 02 011    RADIOSONDE TYPE                             
> CODE_TABLE    10**  0              0       8 bits            142    [ 142.000 
> ]
>               DWSG    0 02 011    RADIOSONDE TYPE                             
> CODE_TABLE    10**  0              0       8 bits            124    [ 124.000 
> ]
> - toolsUI 5.3.3       https://www.unidata.ucar.edu/downloads/netcdf-java/
>               LSSW    Radiosonde_type =   "Unknown enum value=-114" CodeTable 
> 0-2-11
>               DWSG    Radiosonde_type =   "Unknown enum value=124" CodeTable 
> 0-2-11
> - toolsUI-5.4.1 Only NULL for both files
> - BUFRdisplay http://www.elnath.org.uk/
>               LSSW    8,"Radiosonde type","Code table","0-02-011",142 -> 
> Vaisala RS41 with pressure derived from GPS height/AUTOSONDE (Finland)
>               DWSG    8,"Radiosonde type","Code table","0-02-011",124 -> 
> Vaisala RS41/AUTOSONDE (Finland)
> - ecCodes     https://confluence.ecmwf.int/display/ECC/Releases
>               LSSW    "key" : "radiosondeType", "value" : 142, "units" : 
> "CODE TABLE"
>               DWSG    "key" : "radiosondeType", "value" : 124, "units" : 
> "CODE TABLE"
>
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