[Paraview-developers] Python programmable source acting as filereader

[Utkarsh Ayachit]

Daan,

Can you try changing the `si_class` attribute in the XML for the proxy to
be `vtkSIMetaReaderProxy`? I suspect the classname was changed at some
point. If that works, I can update the Wiki.

Thanks
Utkarsh

On Thu, Jan 19, 2017 at 11:01 AM, Daan van Vugt <daanvanvugt at gmail.com>
wrote:

> Hi,
>
> I would like to create a plugin that uses h5py and numpy to read a file,
> do some operations on it and return VTK objects.
> Would it be possible to do the same thing as http://www.paraview.org/Wiki/
> Animating_legacy_VTK_file_series#Making_custom_readers_
> work_with_file_series
> but instead of using a vtkPDataSetReader use a
> vtkPythonProgrammableSource?
>
> I have made a (very naive) try, attached to this post.
> When using this to read a series of files I get the errors (version 5.2.0
> 64-bit) shown below.
> To test, just use any hdf5 file. (.h5)
>
> Thanks for any help,
> Daan
>
>
>
>
> ERROR: In /home/buildslave/dashboards/buildbot/paraview-pvbinsdash-
> linux-shared-release_opengl2_qt4_superbuild/source-paraview/ParaViewCore/
> ServerImplementation/Core/vtkPVSessionCore.cxx, line 439
> vtkPVSessionCore (0x100da30): Failed to instantiate
> vtkSIFileSeriesReaderProxy
>
>
> global_id: 4875
> location: 2
> [paraview_protobuf.DefinitionHeader.client_class]: "vtkSMSourceProxy"
> [paraview_protobuf.DefinitionHeader.server_class]:
> "vtkSIFileSeriesReaderProxy"
> [paraview_protobuf.ProxyState.xml_group]: "sources"
> [paraview_protobuf.ProxyState.xml_name]: "JorekReadH5"
> [paraview_protobuf.ProxyState.subproxy] {
>   name: "Reader"
>   global_id: 4864
> }
> ############ ABORT #############
> ERROR: In /home/buildslave/dashboards/buildbot/paraview-pvbinsdash-
> linux-shared-release_opengl2_qt4_superbuild/source-paraview/ParaViewCore/
> ServerImplementation/Core/vtkPVSessionCore.cxx, line 794
> vtkPVSessionCore (0x100da30): No object with global-id: 4875
>
>
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