[vtkusers] vtkXdmfReader

[Nico Schlömer]

Thanks for the reply!
`GetOutputDataObject` takes a `port` as input argument, and putting `0`
seems to work, but I don't actually know what I'm doing. Any more hints
here?

Cheers,
Nico

On Sun, Dec 13, 2015 at 2:55 PM David E DeMarle <dave.demarle at kitware.com>
wrote:

> The reader will produce different types of data dependent on the file it
> reads, so you need to use GetOutputDataObject instead and cast
> appropriately.
>
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
> On Sun, Dec 13, 2015 at 7:36 AM, Nico Schlömer <nico.schloemer at gmail.com>
> wrote:
>
>> Hi everyone,
>>
>> I've been using the `vtkUnstructuredGridReader` and the
>> `vtkXMLUnstructuredGridReader` for a while now to read VTK/VTU meshes, e.g.,
>> ```
>>         reader = vtk.vtkUnstructuredGridReader()
>>         reader.SetFileName(filename)
>>         reader.Update()
>>         vtk_mesh = reader.GetOutput()
>> ```
>> and then
>> ```
>>     points = vtk.util.numpy_support.vtk_to_numpy(
>>             vtk_mesh.GetPoints().GetData()
>>             )
>> ```
>> etc. From the documentation, it seemed easy enough to phase in the
>> `vtkXdmfReader`. However,
>> ```
>> AttributeError: 'vtkIOXdmf2Python.vtkXdmfReader' object has no attribute
>> 'GetOutput'
>> ```
>> Any hints on how to use the `vtkXdmfReader`?
>>
>> Cheers,
>> Nico
>>
>> [1] http://www.vtk.org/doc/nightly/html/classvtkXdmfReader.html
>>
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