[Paraview] netcdf

[Aashish Chaudhary]

Rupert,

Would it be possible for you to send us a sample file and what the list of
VARS you expect to see in the paraview?

Thanks,


On Mon, May 15, 2017 at 3:37 AM Rupert Gladstone <
rupertgladstone1972 at gmail.com> wrote:

>
> Hi, I have a question about netcdf formats.  I am developing a coupled ice
> sheet - ocean model.  Currently both models run in the same cartesian
> coordinate system.  The ice model outputs unstructured .vtu files, which
> paraview reads just fine.  The ocean model outputs structured netcdf
> files.  If I naively select the "generic and CF conventions" option when
> reading the ocean netcdf file then the data display ok, but not to scale.
> It seems like the structured fields have been read in just fine, but the
> coordinate variables have not.  I don't think the netcdf files are CF
> compliant.  I would like to be able to read in both .vtu files and netcdf
> files and display the data sets together on the same scale.
>
> Do you know what I need to do to read in the netcdf coordinate vars
> correctly?  I am hoping that I can simply insert a post-processing step to
> implement some minor manipulation to the ocean model output files so that
> Paraview can read them in to scale.  Is it simply a case of renaming the
> coordinate variables in the netcdf file such that they have the same names
> as the corresponding dimensions?  Note that this is not in general possible
> as some of the coordinate variables are two-dimensional variables (in the
> horizontal plane), though for most of the simulations we plan in the near
> future I can enforce that the coord vars will have a one to one
> correspondence to the dimension vars (i.e. I can enforce that coord vars
> are 1D).
>
> Is the ordering of dimensions important?
> Is the ordering of coordinate vars important?
> Is the naming of dimensions important?
> Is the naming of coord vars important?
> Can Paraview cope with 2D coord vars?  If so, how does Paraview know which
> coordinate var applies to which var?
>
> Thanks very much for your help.
>
> Regards,
> Rupert Gladstone
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