[Paraview] empty xdmf-file causes paraview crash

[Joachim Pouderoux]

Hi Tommy,

I have tested with ParaView 5.2 and it works as expected, no crash.
Xdmf reader has been patched at different places since 5.0 and ParaView
also comes with an optional Xdmf3 reader.
Thus I would recommend that you update your ParaView to 5.2.

Best,

*Joachim Pouderoux*, PhD

*Technical Expert - Scientific Computing Team*
*Kitware SAS <http://www.kitware.fr>*


2016-11-21 8:58 GMT-04:00 Tommy Andersson <Tommy.Andersson at fcc.chalmers.se>:

> Hi All,
>
> I'm trying to get Paraview (5.0.0) to read *.xmf-files and encounter
> difficulties when the geometry is "empty". Paraview is then crashing. The
> example I'm using to encounter the error looks as follows:
>
> <?xml version="1.0" ?>
> <!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
> <Xdmf xmlns:xi="http://www.w3.org/2003/XInclude"
> <http://www.w3.org/2003/XInclude> Version="2.2">
>   <Domain>
>     <Grid GridType="Uniform">
>       <Topology TopologyType="Triangle" Dimensions="0">
>       </Topology>
>       <Geometry GeometryType="XYZ" Dimensions="0">
>       </Geometry>
>     </Grid>
>   </Domain>
> </Xdmf>
>
> How is an empty xdmf geometry supposed to be specified?
>
> One workaround is to add a dummy point e.g.
>
> <?xml version="1.0" ?>
> <!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
> <Xdmf xmlns:xi="http://www.w3.org/2003/XInclude"
> <http://www.w3.org/2003/XInclude> Version="2.2">
>   <Domain>
>     <Grid GridType="Uniform">
>       <Topology TopologyType="Triangle" Dimensions="0">
>       </Topology>
>       <Geometry GeometryType="XYZ">
>         <DataItem Dimensions="1 3" NumberType="Float" Precision="4"
> Format="XML">
> 0 0 0
> </DataItem>
>       </Geometry>
>     </Grid>
>   </Domain>
> </Xdmf>
>
> Will I have to settle with this workaround? How is an empty geometry
> supposed to be specified?
> --
> *Tommy Andersson*
> Computational Engineering and Design
> Fraunhofer-Chalmers Centre (FCC)
>
> Phone: +46 (0)31 772 4288
> tommy.andersson at fcc.chalmers.se
> www.fcc.chalmers.se
>
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