The CF meta
Sent from my iPhone
On Mar 2, 2012, at 20:00, "Tom Roche" <Tom_Roche@xxxxxxxxx> wrote:
>
> Is there a tool to verify the correctness of the structure of a netCDF file,
> à la what `tidy` does for HTML? Why I ask:
>
> I'm using NCO and R to manipulate and display my netCDF files (actually IOAPI
> files, to be completely correct). Most of my group uses Fortran and the
> display tool `verdi`. (We're all on linux.) I have a file on which I've used
> R (up-to-date, with package=ncdf4) and NCO (also up-to-date), which are both
> happy with it. However, when I try to open it as a dataset with verdi, I get
>
>> java.lang.NullPointerException
>> at
>> ucar.nc2.dataset.conv.M3IOConvention.makeZCoordAxis(M3IOConvention.java:180)
>> at
>> ucar.nc2.dataset.conv.M3IOConvention.constructCoordAxes(M3IOConvention.java:143)
>> at
>> ucar.nc2.dataset.conv.M3IOConvention.augmentDataset(M3IOConvention.java:85)
>> at ucar.nc2.dataset.NetcdfDataset.enhance(NetcdfDataset.java:465)
>> at ucar.nc2.dataset.NetcdfDataset.<init>(NetcdfDataset.java:1165)
>> at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:440)
>> at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:527)
>> at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:103)
>> at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:89)
>> at
>> anl.verdi.loaders.NetcdfDatasetFactory.openDataset(NetcdfDatasetFactory.java:185)
>> at
>> anl.verdi.loaders.NetcdfDatasetFactory.createModels3Datasets(NetcdfDatasetFactory.java:81)
>> at anl.verdi.loaders.Models3Loader.createDatasets(Models3Loader.java:82)
>> at anl.verdi.data.DataManager.createDatasets(DataManager.java:99)
>> at
>> anl.verdi.core.VerdiApplication.loadDataset(VerdiApplication.java:556)
>> at anl.verdi.core.VerdiApplication.addDataset(VerdiApplication.java:609)
>> at
>> anl.verdi.core.VerdiAppConfigurator$1.actionPerformed(VerdiAppConfigurator.java:63)
>
> (Before that is all AWT.) I suspect verdi is choking because, while the data
> is 4D, one of the dimensions is non-spatial (the "layers" correspond to
> different crops on the surface, not vertical layers), and that verdi doesn't
> handle that gracefully. But I'd like to verify the correctness of my file
> before I engage their bugtracker. Is there a way to do that?
>
> TIA, Tom Roche <Tom_Roche@xxxxxxxxx>
>
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