[Paraview] Simple XDMF example

[David E DeMarle]

Try something like this:
<?xml version="1.0" encoding="utf-8"?>
<Xdmf xmlns:xi="http://www.w3.org/2001/XInclude" Version="3.0">
  <Domain>
    <Grid Name="Grid">
      <Geometry Origin="" Type="ORIGIN_DXDYDZ">
        <DataItem DataType="Float" Dimensions="3" Format="XML"
Precision="8">0 0 0</DataItem>
        <DataItem DataType="Float" Dimensions="3" Format="XML"
Precision="8">1 1 1</DataItem>
      </Geometry>
      <Topology Dimensions="256 256 256" Type="3DCoRectMesh"/>
      <Attribute Center="Point" Name="JoesData" Type="Scalar">
        <DataItem DataType="UChar" Dimensions="256 256 256"
Format="HDF">small_ds.hdf5:/myelin</DataItem>
      </Attribute>
    </Grid>
  </Domain>
</Xdmf>

If that doesn't work sent me the h5 offlist and I'll fix the above

David E DeMarle
Kitware, Inc.
Principal Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Thu, Jun 22, 2017 at 1:34 PM, Insley, Joseph A. <insley at anl.gov> wrote:

> Hi all,
>
> I am trying to get a simple XDMF example working, but am having no
> success.  I must be doing something obvious wrong, but I’m not seeing it.
> Here’s what the data looks like:
>
> $ h5dump -H ./small_ds.hdf5
> HDF5 "./small_ds.hdf5" {
> GROUP "/" {
>    DATASET "myelin" {
>       DATATYPE  H5T_STD_U8LE
>       DATASPACE  SIMPLE { ( 256, 256, 256 ) / ( 256, 256, 256 ) }
>    }
> }
> }
>
> And here’s the xdmf file I’m trying to use:
>
> <?xml version="1.0" ?>
> <!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
> <Xdmf Version="2.0" xmlns:xi="http://www.w3.org/2001/XInclude">
> <Domain>
> <DataItem ItemType="Uniform"
>           Format="HDF"
>           NumberType="UInt"
>           Precision="1"
>           Dimensions="256 256 256">
>     small_ds.hdf5:/myelin
> </DataItem>
> </Domain>
> </Xdmf>
>
> Choosing the Xdmf3 Reader or Xdmf3 Reader (Top Level Partition) results in
> an empty data set, where there are no point or cell arrays, and everything
> on the Information tab is listed as NA.
> Choosing the Xdmf Reader results in a seg fault.
>
> Any suggestions would be appreciated.
>
> Thanks
> joe
>
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