Re: [netcdf-java] How to create a structure in netcdf4

The dependency is being taken from Maven central. However, I have tried
this jar instead of maven:

ftp://ftp.unidata.ucar.edu/pub/netcdf-java/v4.6/netcdfAll-4.6.jar

And I get exactly the same problems in both java files.

José Évora Gómez
Instituto Universitario SIANI
Universidad de Las Palmas de GC
@j_evora

2015-11-05 14:09 GMT+00:00 John Caron <jcaron1129@xxxxxxxxx>:

> what repo is
>
> <dependency>
> <groupId>edu.ucar</groupId>
> <artifactId>netcdf4</artifactId>
> <version>LATEST</version>
> </dependency>
>
> coming from?
>
>
>
> On Thu, Nov 5, 2015 at 12:13 AM, José Évora <jose.evora@xxxxxxxx> wrote:
>
>> When maven resolves the code quoted, this is the library that downloads:
>>
>> Maven: edu.ucar:netcdf4:4.5.5
>>
>>
>> Version seems to be 4.5.5 for the netcdf java library. For the netcdf C
>> libraries, I downloaded and installed: netCDF 4.3.3.1. Specifically, this
>> file:
>>
>>
>> http://www.unidata.ucar.edu/downloads/netcdf/ftp/netCDF4.3.3.1-NC4-DAP-64.exe
>>
>> Thanks,
>>
>> José Évora Gómez
>> Instituto Universitario SIANI
>> Universidad de Las Palmas de GC
>> @j_evora
>>
>> 2015-11-04 23:33 GMT+00:00 John Caron <jcaron1129@xxxxxxxxx>:
>>
>>> Hi Jose, what version of netcdf-java and netcdf C libraries are you
>>> using? John
>>>
>>> On Wed, Nov 4, 2015 at 12:54 AM, José Évora <jose.evora@xxxxxxxx> wrote:
>>>
>>>> Hi everyone,
>>>>
>>>> I'm trying to create a structure (also know compounded type). In this
>>>> email I attach two different ways I've tried to do it and their respective
>>>> error message. This is the dependency I'm using
>>>>
>>>> <dependency>
>>>>> <groupId>edu.ucar</groupId>
>>>>> <artifactId>netcdf4</artifactId>
>>>>> <version>LATEST</version>
>>>>> </dependency>
>>>>
>>>>
>>>> *1) NetCdfCreatorLite.java*
>>>>
>>>> The execution throws a NullPointerException at
>>>>
>>>> Structure otherVar = ncFile.addStructure(root,
>>>>> root.getParentStructure(), "Other", singletonList(other));
>>>>
>>>>
>>>> Exception in thread "main" java.lang.NullPointerException
>>>>> at ucar.nc2.NetcdfFileWriter.addStructure(NetcdfFileWriter.java:584)
>>>>> at org.mock.NetCdfCreatorLite.main(NetCdfCreatorLite.java:27)
>>>>
>>>>
>>>> *2) NetCdfCreatorLite2.java*
>>>>
>>>> According to the java doc, the method addstructure shouldn't be used.
>>>> Then, in this second version, I uses a addVariable method to create the
>>>> structure:
>>>>
>>>> Structure otherVar = (Structure) ncFile.addVariable(root, "Other",
>>>>> STRUCTURE, singletonList(other));
>>>>
>>>>
>>>> The exeception given this time is:
>>>>
>>>> Exception in thread "main" java.io.IOException: nc_put_vars: -49:
>>>>> NetCDF: Variable not found grpid=65536 objid=1
>>>>> at ucar.nc2.jni.netcdf.Nc4Iosp.writeCompoundData(Nc4Iosp.java:2895)
>>>>> at ucar.nc2.jni.netcdf.Nc4Iosp.writeData(Nc4Iosp.java:2839)
>>>>> at ucar.nc2.jni.netcdf.Nc4Iosp.writeData(Nc4Iosp.java:2721)
>>>>> at ucar.nc2.NetcdfFileWriter.write(NetcdfFileWriter.java:934)
>>>>> at ucar.nc2.NetcdfFileWriter.write(NetcdfFileWriter.java:918)
>>>>> at org.mock.NetCdfCreatorLite2.main(NetCdfCreatorLite2.java:46)
>>>>
>>>>
>>>> At line:
>>>>
>>>> ncFile.write(otherVar, otherStructure);
>>>>
>>>>
>>>> If I comment the creation of structures, the application executes
>>>> perfectly. Even more, by only adding the addVariable of a structure line, I
>>>> get this exception, even though I only write the cityVar at line 50.
>>>>
>>>> What is wrong? Can you please provide me with an example of use of the
>>>> structures?.
>>>>
>>>> Best regards, thank you very much,
>>>>
>>>> José Évora Gómez
>>>> Instituto Universitario SIANI
>>>> Universidad de Las Palmas de GC
>>>> @j_evora
>>>>
>>>> _______________________________________________
>>>> netcdf-java mailing list
>>>> netcdf-java@xxxxxxxxxxxxxxxx
>>>> For list information or to unsubscribe, visit:
>>>> http://www.unidata.ucar.edu/mailing_lists/
>>>>
>>>
>>>
>>
>
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