[Paraview] Segfault reading polyhedral cells xdmf3 file

[Armin Wehrfritz]

Hi Alessandro,

I just tested the .xmf file on my Linux work-station using the ParaView
5.2 binaries from the Kitware webpage and everything works as expected.

Also, reading the .vtu file and saving the data as xdmf works correctly
on my machine.

I don't have a Windows PC and have never tested this functionality
anywhere else than under Linux. However, IIRC, the implementation of the
polyhedral cell support doesn't have any operating system specific code.
Just to note though, you need to use the Xdmf3 reader/writer in ParaView
for xdmf files with polyhedral cells.

Can you check that the .xmf file you generated from the .vtu file has
the same topology information as the original .xmf file?

Cheers,
Armin







On 11/29/2016 06:09 PM, Alessandro De Maio wrote:
> Dear All,
>      I would like to use xdmf file format for exporting polyhedral mesh
> results from a CFD code to be opened with Paraview. If I'm not wrong
> Paraview 5.2.0 should be able to read/write such kind o files.
>
> Just to understand the format of the xmf file, I've been trying to open
> a very easy example taken from the post by Armin Wehrfritz (Tue Sep 27
> 09:03:00 EDT 2016) in this mailing list (the title of the post was
> "Combination of polygonal-data and unstructured grid") named
> polyhedron.xmf (that I put in attach to this post). But using Paraview
> 5.2.0 (Windows 64bit) binary, it gives segmentation fault immediately
> after the "Apply" button click.
>
> I've tried also to read the vtu version of the same geometry
> (polyhedron.vtu taken from the same post of Armin and in attach) and to
> save it from Paraview in xdmf3 file format. Once I try to re-read the
> xmf generated file, the behaviour is the same and Paraview crashes.
>
> Has anyone of you experience with xdmf polyhedral files in Paraview?
>
> Thank you in advance for any suggestion
>
> Alessandro De Maio
>
>
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