[Paraview] Reader for data file containing multiple kinds of data?

[Berk Geveci]

By the way, there has been several articles on composite datasets
(i.e. multi-block and AMR) in the Source. I recommend checking them
out: http://www.kitware.com/products/thesource.html

-berk


On Fri, Jul 25, 2008 at 10:39 AM, David E DeMarle
<dave.demarle at kitware.com> wrote:
> You probably want to produce a multiblock data set
> (http://www.vtk.org/doc/nightly/html/classvtkMultiBlockDataSet.html).
> That is a data object which contains other data sets.
>
> To get started, take a look at the vtkDataObjectGenerator as an
> example of how to produce composite data sets.
>
> Then take a look at the XDMF reader which produces multiblock data
> sets by reading hdf files, using an xml layer to interpret the hdf
> files' contents.
>
> cheers,
> Dave DeMarle
>
> On Fri, Jul 25, 2008 at 10:31 AM, John R. Cary <cary at txcorp.com> wrote:
>> I have just ordered the ParaView Guide, and the VTK
>> Textbook and User's Guide, so answering by reference to
>> those will be most welcome.
>>
>> My data files are hdf5 with a schema described by data
>> attributes, so that I can pick out groups in the file
>> and classify them as meshes (rectilinear, structured,
>> unstructured, ...) or data, with the latter knowing what
>> mesh they live on.  So the reader cannot derive from,
>> e.g., vtkUnstructuredGridAlgorithm (like the example at
>> http://www.paraview.org/Wiki/ParaView:Extend), as the
>> data is not all on an unstructured grid.
>>
>> Furthermore, in the end, I suppose once I get this into
>> ParaView, the result of opening a file will be the presence
>> of several sources in the pipeline browser of ParaView.
>>
>> While I am waiting for the arrival of the above noted
>> books, can someone point me to any starting point, such
>> as class that does something similar to this?
>>
>> Thanks.....John Cary
>>
>> PS - we currently parse these files with pytables
>> and then make 2D plots with matplotlib.
>>
>>
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