The Climate-Forecast Metadata Standard pages have links to a couple places
where you can upload your netCDF file to check compliance. They work fairly
well.
Bill Capehart
Atmospheric Sciences
South Dakota School of Mines
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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