Rupert,
I can't help you with netcdf files/formats. However, the following two
items could be of help.
(1) ParaView has a Transform filter that will translate and/or scale
and/or rotate your datum set.
(2) In the coordinate 3-tuple (x,y,z). if all of your z-values are zero,
then PV will "come up in a "2D" mode. There is a 2D/3D toggle button
(button number 3) in the upper left location in each display frame that
may be of help to you.
Samuel Key
FMA Development.
On 5/15/2017 1:37 AM, Rupert Gladstone 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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