# python VTK filter in parallel

**URL:** https://discourse.paraview.org/t/python-vtk-filter-in-parallel/14072
**Category:** ParaView Support
**Tags:** python
**Created:** [March 1, 2024, 7:24pm UTC](https://discourse.paraview.org/t/python-vtk-filter-in-parallel/14072 "2024-03-01T19:24:26Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Frankx9](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/f/3e96dc/32.png) [@Frankx9](https://discourse.paraview.org/u/Frankx9)
#### Post date: [March 1, 2024, 7:24pm UTC](https://discourse.paraview.org/t/python-vtk-filter-in-parallel/14072/1 "2024-03-01T19:24:26Z")

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Hello,

is it possible to read a big file (VTKHDF) in parallel with vtk in python? Moreover is there any example on how to use filters in parallel (e.g. slicing and write the output of a slice to a file ?)

Best regards

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [March 4, 2024, 10:01am UTC](https://discourse.paraview.org/t/python-vtk-filter-in-parallel/14072/2 "2024-03-04T10:01:16Z")

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@Lucas_Givord @danlipsa