# \#vtkhdf

**URL:** https://discourse.paraview.org/tag/vtkhdf/30.md

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## [VTKHDF partitioned dataset visualization issues](https://discourse.paraview.org/t/vtkhdf-partitioned-dataset-visualization-issues/17353)

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**Author:** [@hheinzer](https://discourse.paraview.org/u/hheinzer)\
**Replies:** 15\
**Last updated:** [February 17, 2026, 4:39pm UTC](https://discourse.paraview.org/t/vtkhdf-partitioned-dataset-visualization-issues/17353 "2026-02-17T16:39:34Z")

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I am trying to visualize data from my CFD solver using the VTKHDF file format and ParaView. The solver is MPI parallel. Until now I resorted to assembling the mesh in memory and then writing a single partition to the out…

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## [Help opening .h5 file in ParaView](https://discourse.paraview.org/t/help-opening-h5-file-in-paraview/17158)

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**Author:** [@msg022](https://discourse.paraview.org/u/msg022)\
**Replies:** 3\
**Last updated:** [September 5, 2025, 2:35pm UTC](https://discourse.paraview.org/t/help-opening-h5-file-in-paraview/17158 "2025-09-05T14:35:14Z")

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Hi everyone, I’m trying to open a .h5 file in ParaView, but I keep getting an error. I’ve looked through the forum and other articles, but I couldn’t solve the issue. Can someone help me? Here is my file: https://www.…

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## [Paraview Cannot load VTKHDF file that contains string Datasets](https://discourse.paraview.org/t/paraview-cannot-load-vtkhdf-file-that-contains-string-datasets/17134)

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**Author:** [@jpmorr](https://discourse.paraview.org/u/jpmorr)\
**Replies:** 3\
**Last updated:** [August 27, 2025, 7:55am UTC](https://discourse.paraview.org/t/paraview-cannot-load-vtkhdf-file-that-contains-string-datasets/17134 "2025-08-27T07:55:32Z")

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I write vtk files as vtkhdf and I’ve come across a problem loading strings in Paraview. I’m not sure if this is a ParaView, vtkhdf or general hdf5 problem. I’ve taken the vtp map example from the online test files and c…

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## [How to make animation with different .hdf files](https://discourse.paraview.org/t/how-to-make-animation-with-different-hdf-files/17129)

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**Author:** [@Canadian\_Terry](https://discourse.paraview.org/u/Canadian_Terry)\
**Replies:** 2\
**Last updated:** [August 25, 2025, 7:05am UTC](https://discourse.paraview.org/t/how-to-make-animation-with-different-hdf-files/17129 "2025-08-25T07:05:54Z")

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Hi, I am trying to create an animation in ParaView using several .hdf files from a numerical simulation. The issue is that when I load multiple files, they are not linked together and the time for each one appears as “0…

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## [Example of vtkhdf with PartitionedDataSetCollection and Asembly](https://discourse.paraview.org/t/example-of-vtkhdf-with-partitioneddatasetcollection-and-asembly/16429)

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**Author:** [@Borek\_Patzak](https://discourse.paraview.org/u/Borek_Patzak)\
**Replies:** 5\
**Last updated:** [May 28, 2025, 7:50am UTC](https://discourse.paraview.org/t/example-of-vtkhdf-with-partitioneddatasetcollection-and-asembly/16429 "2025-05-28T07:50:19Z")

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Hello, can anyone provide simple vtkhdf input file that illustrates how to encode properly model using PartitionedDataSetCollection and Asemblies? Thank you, Borek

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## [Problem visualizing VTK HDF file](https://discourse.paraview.org/t/problem-visualizing-vtk-hdf-file/16308)

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**Author:** [@Suman\_Vajjala](https://discourse.paraview.org/u/Suman_Vajjala)\
**Replies:** 12\
**Last updated:** [March 18, 2025, 4:00pm UTC](https://discourse.paraview.org/t/problem-visualizing-vtk-hdf-file/16308 "2025-03-18T16:00:02Z")

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Hi. I have developed a code which writes a VTKHDF file. I have visualized the file when it is generated using 20/30 cores. However, with 420 cores, paraview takes a lot of time and even then I am unable to visualize my f…

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## [Support for HDF5 SWMR](https://discourse.paraview.org/t/support-for-hdf5-swmr/15870)

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**Author:** [@jpablolucero](https://discourse.paraview.org/u/jpablolucero)\
**Replies:** 6\
**Last updated:** [January 7, 2025, 8:17pm UTC](https://discourse.paraview.org/t/support-for-hdf5-swmr/15870 "2025-01-07T20:17:25Z")

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HDF5 has had the Single Writer Multiple Reader (SWMR) capability since version 1.10. This feature allows to read HDF5 files properly while they’re being written and the file is not yet closed, but the relevant data stru…

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## [How to read VTKHDF5 in Paraview?](https://discourse.paraview.org/t/how-to-read-vtkhdf5-in-paraview/14519)

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**Author:** [@Nikolaos\_Beratlis](https://discourse.paraview.org/u/Nikolaos_Beratlis)\
**Replies:** 2\
**Last updated:** [April 30, 2024, 7:03pm UTC](https://discourse.paraview.org/t/how-to-read-vtkhdf5-in-paraview/14519 "2024-04-30T19:03:53Z")

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I am experimenting with VTKHDF files. I found an example called “test\_poly\_data.hdf”. (link here) When I try to load it in Paraview i get a pop-up window titled “Open Data With…” The dafault option is ADIOS2VTXReader. …

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## [Not able to read transient UnstructuredGrid data in Paraview](https://discourse.paraview.org/t/not-able-to-read-transient-unstructuredgrid-data-in-paraview/14409)

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**Author:** [@mrx](https://discourse.paraview.org/u/mrx)\
**Replies:** 2\
**Last updated:** [April 16, 2024, 8:36am UTC](https://discourse.paraview.org/t/not-able-to-read-transient-unstructuredgrid-data-in-paraview/14409 "2024-04-16T08:36:52Z")

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Hi, I am trying to write a vtkhdf file containing transient PointData. I read the manual and tried to write a vtkhdf file with dummy data. But I am not able to read that in Paraview, Although I do see the pressure datas…