# Top

**URL:** https://discourse.paraview.org/top.md?page=21&period=all

[Latest](https://discourse.paraview.org/latest.md) · [Categories](https://discourse.paraview.org/categories.md) · [Tags](https://discourse.paraview.org/tags.md)

**Page:** 22

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## [Pvbatch parallel](https://discourse.paraview.org/t/pvbatch-parallel/14726)

<div class="topic-metadata">

**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 9\
**Last updated:** [May 28, 2024, 2:07pm UTC](https://discourse.paraview.org/t/pvbatch-parallel/14726 "2024-05-28T14:07:35Z")

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Hello, I was trying to run pvbatch in parallel but it seems that it only works on one rank. I tried both with the shipped mpiexec in the /bin directory and the one already present on my desktop but the behaviour is the …

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## [ParaView 6.0.1. crashes when using Optix pathtracing](https://discourse.paraview.org/t/paraview-6-0-1-crashes-when-using-optix-pathtracing/17250)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 11\
**Last updated:** [October 27, 2025, 8:49am UTC](https://discourse.paraview.org/t/paraview-6-0-1-crashes-when-using-optix-pathtracing/17250 "2025-10-27T08:49:30Z")

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Dear support, I am working on my linux laptop where I have a NVIDIA Quadro RTX 4000 Mobile GPU with the driver nvidia-driver-555. I have downloaded ParaView 6.0.1. and I run it without compiling it (as I have always bee…

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## [Why Resample to Image filter returns empty files?](https://discourse.paraview.org/t/why-resample-to-image-filter-returns-empty-files/17190)

<div class="topic-metadata">

**Author:** [@Paria\_Maleki](https://discourse.paraview.org/u/Paria_Maleki)\
**Replies:** 11\
**Last updated:** [September 18, 2025, 12:07pm UTC](https://discourse.paraview.org/t/why-resample-to-image-filter-returns-empty-files/17190 "2025-09-18T12:07:38Z")

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Hello everyone, I want to save my work as .mhd file, but when I apply Resample to Image to my input, the result is zero. Since the plane that I want to save is thin, I have tried even applying linear extrusion first and …

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## [Tesselate filter on polygon indicates no parametrization](https://discourse.paraview.org/t/tesselate-filter-on-polygon-indicates-no-parametrization/13966)

<div class="topic-metadata">

**Author:** [@cessenat](https://discourse.paraview.org/u/cessenat)\
**Replies:** 9\
**Last updated:** [February 21, 2024, 5:24pm UTC](https://discourse.paraview.org/t/tesselate-filter-on-polygon-indicates-no-parametrization/13966 "2024-02-21T17:24:40Z")

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The “Tesselate” filter applied on “VTK\_POLYGON” indicates “Input dataset has cells without parametization”. Example file: # vtk DataFile Version 3.0 Generated by Hand ASCII DATASET UNSTRUCTURED\_GRID POINTS 14 dou…

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## [Pick center of rotation fails](https://discourse.paraview.org/t/pick-center-of-rotation-fails/16476)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 15\
**Last updated:** [April 17, 2025, 7:44am UTC](https://discourse.paraview.org/t/pick-center-of-rotation-fails/16476 "2025-04-17T07:44:31Z")

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Is this known? Should I use a different version? Client Information: Version: 5.13.2 VTK Version: 9.3.20240617 Qt Version: 5.15.2 vtkIdType size: 64bits Embedded Python: On Python Library Path: C:\\Program Files\\ParaV…

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## [keep specific patch (boundary) after CleantoGrid filter](https://discourse.paraview.org/t/keep-specific-patch-boundary-after-cleantogrid-filter/16971)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 16\
**Last updated:** [July 21, 2025, 9:06am UTC](https://discourse.paraview.org/t/keep-specific-patch-boundary-after-cleantogrid-filter/16971 "2025-07-21T09:06:16Z")

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Hello, this might sound as a dumb question, but the situation is the following, i do simulations in parallel in openfoam, and one of my issues is that when i load the internal mesh data and add transparency to the view…

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## [ParaView Office Hours June 25, 2026](https://discourse.paraview.org/t/paraview-office-hours-june-25-2026/17631)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 14\
**Last updated:** [June 25, 2026, 8:15pm UTC](https://discourse.paraview.org/t/paraview-office-hours-june-25-2026/17631 "2026-06-25T20:15:43Z")

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Have a question about how to use ParaView? Ask ParaView experts at this week’s office hours! Time: Thursday, June 25 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call link: https://meet.g…

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## [.vtu File doesn't play all solution in a "Collection" in Paraview](https://discourse.paraview.org/t/vtu-file-doesnt-play-all-solution-in-a-collection-in-paraview/14540)

<div class="topic-metadata">

**Author:** [@Darren\_Lam](https://discourse.paraview.org/u/Darren_Lam)\
**Replies:** 11\
**Last updated:** [May 14, 2024, 12:18pm UTC](https://discourse.paraview.org/t/vtu-file-doesnt-play-all-solution-in-a-collection-in-paraview/14540 "2024-05-14T12:18:04Z")

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Hi everyone, I’m currently trying to play a .vtu file which contains all the timesteps of my solution but when Paraview read my .vtu file, it somehow partitioned those timesteps into individual Cell/Point Array. How do …

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## [Question on Icon as Macro names in Paraview 5.13.3](https://discourse.paraview.org/t/question-on-icon-as-macro-names-in-paraview-5-13-3/16553)

<div class="topic-metadata">

**Author:** [@Oracle\_0](https://discourse.paraview.org/u/Oracle_0)\
**Replies:** 10\
**Last updated:** [May 26, 2025, 3:06am UTC](https://discourse.paraview.org/t/question-on-icon-as-macro-names-in-paraview-5-13-3/16553 "2025-05-26T03:06:53Z")

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Hi, I have a Macro and I want an Icon to be shown instead of a long name on a toolbar. For Paraview 5.11.1: I have Plugin written in python using vtkPythonAlgorithmBase and I am applying it over NetCDF dataset. Then, I …

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## [Superbuild problem with MSVC versions](https://discourse.paraview.org/t/superbuild-problem-with-msvc-versions/17481)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 19\
**Last updated:** [March 27, 2026, 6:24pm UTC](https://discourse.paraview.org/t/superbuild-problem-with-msvc-versions/17481 "2026-03-27T18:24:01Z")

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Trying to run a “superbuild” that is derived from the “superbuild” of PV 5.15.3, generating a Windows installer for a PV derived application (same version), on Windows 11. There is a need to include a precompiled binary…

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## [How to get access to pqPropertiesPanel ?](https://discourse.paraview.org/t/how-to-get-access-to-pqpropertiespanel/14019)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 14\
**Last updated:** [February 26, 2024, 9:16am UTC](https://discourse.paraview.org/t/how-to-get-access-to-pqpropertiespanel/14019 "2024-02-26T09:16:51Z")

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Hello dear Paraview developers! Could you please help me finding how to access pqPropertiesPanel from within a filter in c++ Thank u!

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## [PVserver locally](https://discourse.paraview.org/t/pvserver-locally/16794)

<div class="topic-metadata">

**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 11\
**Last updated:** [June 11, 2025, 1:51pm UTC](https://discourse.paraview.org/t/pvserver-locally/16794 "2025-06-11T13:51:23Z")

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Hi, I was trying to setup paraview with MPI locally running mpirun -np 4 pvserver but I got this error ( 0.503s) \[pvserver \] vtkSocket.cxx:202 ERR| vtkServerSocket (0x5572ec0904c0): Socket error …

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## [Visualize the slice of the geometry](https://discourse.paraview.org/t/visualize-the-slice-of-the-geometry/17379)

<div class="topic-metadata">

**Author:** [@flobi](https://discourse.paraview.org/u/flobi)\
**Replies:** 13\
**Last updated:** [January 5, 2026, 8:56am UTC](https://discourse.paraview.org/t/visualize-the-slice-of-the-geometry/17379 "2026-01-05T08:56:43Z")

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I unsuccessfully visualized the slice of cfd simulation results conducted using OpenFoam. In the beginning when I used a model without thickness, I could visualize the slicing. But, when I simulated some models with thic…

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## [Interpolate time dependent vt.series on STL or STEP](https://discourse.paraview.org/t/interpolate-time-dependent-vt-series-on-stl-or-step/16555)

<div class="topic-metadata">

**Author:** [@DonPepote](https://discourse.paraview.org/u/DonPepote)\
**Replies:** 9\
**Last updated:** [May 2, 2025, 7:57am UTC](https://discourse.paraview.org/t/interpolate-time-dependent-vt-series-on-stl-or-step/16555 "2025-05-02T07:57:23Z")

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Hi, I have a time depentend vtk.series with point coordinates and temperature values. I used to do the following: 3DDelaunay, PointVolumeInterpolator, Resample with Dataset. But I want to interpolate these temperatures o…

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## [Wireframe coloring issue: shared boundary between two regions shows mixed colors](https://discourse.paraview.org/t/wireframe-coloring-issue-shared-boundary-between-two-regions-shows-mixed-colors/17362)

<div class="topic-metadata">

**Author:** [@jialugao](https://discourse.paraview.org/u/jialugao)\
**Replies:** 10\
**Last updated:** [December 12, 2025, 2:45am UTC](https://discourse.paraview.org/t/wireframe-coloring-issue-shared-boundary-between-two-regions-shows-mixed-colors/17362 "2025-12-12T02:45:31Z")

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Hi everyone, When visualizing my mesh in Wireframe mode, I color the mesh using a cell-based tag array (for example, region IDs 15 and 16). However, on the shared boundary between the two regions, the edges appear partl…

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## [Unable to build 6.1.0-RC1 on windows](https://discourse.paraview.org/t/unable-to-build-6-1-0-rc1-on-windows/17490)

<div class="topic-metadata">

**Author:** [@Tim\_Tautges](https://discourse.paraview.org/u/Tim_Tautges)\
**Replies:** 13\
**Last updated:** [March 30, 2026, 4:00pm UTC](https://discourse.paraview.org/t/unable-to-build-6-1-0-rc1-on-windows/17490 "2026-03-30T16:00:49Z")

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Using VS2022, Qt6.9.3, Windows 11. Configuration goes fine, but then viskores doesn’t build: FAILED: \[code=2\] VTK/ThirdParty/viskores/vtkviskores/viskores/viskores/cont/CMakeFiles/viskores\_cont.dir/CellLocatorUniformBin…

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## [Unable to visualize Exodus file from sculpt](https://discourse.paraview.org/t/unable-to-visualize-exodus-file-from-sculpt/15121)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 10\
**Last updated:** [August 5, 2024, 8:55pm UTC](https://discourse.paraview.org/t/unable-to-visualize-exodus-file-from-sculpt/15121 "2024-08-05T20:55:48Z")

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@wascott - this might be relevant to Sandia. We have a user who posted a question on our forum… if I run the below sculpt\_overlay.i file in the sculpt distributed with Coreform Cubit 2024.3 it seems to not import into P…

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## [Streamtrace using Point Cloud as seed source explanation](https://discourse.paraview.org/t/streamtrace-using-point-cloud-as-seed-source-explanation/16002)

<div class="topic-metadata">

**Author:** [@RaniaYian](https://discourse.paraview.org/u/RaniaYian)\
**Replies:** 11\
**Last updated:** [January 23, 2025, 8:43am UTC](https://discourse.paraview.org/t/streamtrace-using-point-cloud-as-seed-source-explanation/16002 "2025-01-23T08:43:29Z")

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Hi everyone! I would like to ask some help regarding the Streamtracer filter with a point cloud. Can i use it to generate all the streamlines that pass through an arbitraty volume as soon as I enclose this volume inside…

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## [extract programable filter/python annotation values to csv file](https://discourse.paraview.org/t/extract-programable-filter-python-annotation-values-to-csv-file/15279)

<div class="topic-metadata">

**Author:** [@NinhGhoster](https://discourse.paraview.org/u/NinhGhoster)\
**Replies:** 9\
**Last updated:** [August 22, 2024, 3:31pm UTC](https://discourse.paraview.org/t/extract-programable-filter-python-annotation-values-to-csv-file/15279 "2024-08-22T15:31:12Z")

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Hi all, I wrote the code below using the Programable Filter to extract the volume/area of the object. Not sure if this is a optimised way or not? Please share if there is a better way. import numpy as np import vtk in…

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## [Reading error with VTKHDF file with large number of timesteps](https://discourse.paraview.org/t/reading-error-with-vtkhdf-file-with-large-number-of-timesteps/16776)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 11\
**Last updated:** [June 12, 2025, 7:10am UTC](https://discourse.paraview.org/t/reading-error-with-vtkhdf-file-with-large-number-of-timesteps/16776 "2025-06-12T07:10:05Z")

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Dear Support I have converted a time-series of data with 10641 timesteps, for which I have already created an animation, so I know that I have valid data. I saved the data with the command SaveData(‘/capstor/scratch/cs…

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## [OOM with multinode pvserver, no shared memory?](https://discourse.paraview.org/t/oom-with-multinode-pvserver-no-shared-memory/15953)

<div class="topic-metadata">

**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 11\
**Last updated:** [January 8, 2025, 8:28pm UTC](https://discourse.paraview.org/t/oom-with-multinode-pvserver-no-shared-memory/15953 "2025-01-08T20:28:35Z")

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When we run pvserver in parallel using mpi, does the memory of each node get shared? I have a 2 node allocation on my HPC where each node is able to support 64GB of memory and has 16 cores + 1 p100 gpu, but I’ve found t…

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## [Question on vtkParticleTracer Filter using vtkPythonAlgorithmBase](https://discourse.paraview.org/t/question-on-vtkparticletracer-filter-using-vtkpythonalgorithmbase/16537)

<div class="topic-metadata">

**Author:** [@Oracle\_0](https://discourse.paraview.org/u/Oracle_0)\
**Replies:** 9\
**Last updated:** [April 29, 2025, 8:22am UTC](https://discourse.paraview.org/t/question-on-vtkparticletracer-filter-using-vtkpythonalgorithmbase/16537 "2025-04-29T08:22:29Z")

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Hi, I have been trying to add vtkParticleTracer in external python script based on vtkPythonAlgorithmBase. Paraview Version: 5.11.1 So far what I have understood is: vtkParticleTracer requires two inputs: A dataset c…

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## [Unable to load PNG texture in TextureMapToPlane – vtkOpenGLTexture error in ParaView 5.13.1](https://discourse.paraview.org/t/unable-to-load-png-texture-in-texturemaptoplane-vtkopengltexture-error-in-paraview-5-13-1/17284)

<div class="topic-metadata">

**Author:** [@gesamarie](https://discourse.paraview.org/u/gesamarie)\
**Replies:** 11\
**Last updated:** [November 11, 2025, 7:38am UTC](https://discourse.paraview.org/t/unable-to-load-png-texture-in-texturemaptoplane-vtkopengltexture-error-in-paraview-5-13-1/17284 "2025-11-11T07:38:08Z")

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Hi All, I am simulating rainfall over a terrain. The visualization of the simulation results in my ParaView GUI works, but once I use the trace I recorded in ParaView as a macro in ParaView, I am getting an error messag…

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## [Running catalyst on GitHub Action with Ubuntu](https://discourse.paraview.org/t/running-catalyst-on-github-action-with-ubuntu/16504)

<div class="topic-metadata">

**Author:** [@uturuncoglu](https://discourse.paraview.org/u/uturuncoglu)\
**Replies:** 11\
**Last updated:** [April 21, 2025, 4:59pm UTC](https://discourse.paraview.org/t/running-catalyst-on-github-action-with-ubuntu/16504 "2025-04-21T16:59:45Z")

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Hi All, I am trying to add a CI/CD testing to my code that aims to run ParaView+Catalyst to create some simple visualization etc. through use of GitHub runners. I could able to install everything using spack package man…

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## [Pick Center does not work correctly for large sparse meshes](https://discourse.paraview.org/t/pick-center-does-not-work-correctly-for-large-sparse-meshes/16399)

<div class="topic-metadata">

**Author:** [@TorgeW](https://discourse.paraview.org/u/TorgeW)\
**Replies:** 11\
**Last updated:** [April 16, 2025, 1:48pm UTC](https://discourse.paraview.org/t/pick-center-does-not-work-correctly-for-large-sparse-meshes/16399 "2025-04-16T13:48:08Z")

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I am using paraview with meshes of neurons, which are large and sparse. When I try to use the pick center tool, I expect the center to be placed wherever I click on the mesh. However, as you can see in the pictures, whe…

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## [Tranforming the coordinate system - MGA94 to local coord system](https://discourse.paraview.org/t/tranforming-the-coordinate-system-mga94-to-local-coord-system/17406)

<div class="topic-metadata">

**Author:** [@swilliams\_KMT](https://discourse.paraview.org/u/swilliams_KMT)\
**Replies:** 12\
**Last updated:** [January 23, 2026, 11:48am UTC](https://discourse.paraview.org/t/tranforming-the-coordinate-system-mga94-to-local-coord-system/17406 "2026-01-23T11:48:32Z")

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Does ParaView support defining a layout based local coordinate system that applies to all datasets in a pipeline, with the ability to toggle between global and local coordinates by changing layout tabs or a simple toggle…

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## [Closing a Paraview gui using pvpython from an external process](https://discourse.paraview.org/t/closing-a-paraview-gui-using-pvpython-from-an-external-process/16246)

<div class="topic-metadata">

**Author:** [@Vivek\_Ojha](https://discourse.paraview.org/u/Vivek_Ojha)\
**Replies:** 9\
**Last updated:** [February 27, 2025, 3:25pm UTC](https://discourse.paraview.org/t/closing-a-paraview-gui-using-pvpython-from-an-external-process/16246 "2025-02-27T15:25:23Z")

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Hi, I have created a script using pvpython which outputs an interactive figure window with a field plotted on it. The script is run in the background using → /pvpython script.py &. After the figure has been plotted, is …

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## [The color of menus](https://discourse.paraview.org/t/the-color-of-menus/17062)

<div class="topic-metadata">

**Author:** [@jeDuck](https://discourse.paraview.org/u/jeDuck)\
**Replies:** 11\
**Last updated:** [August 27, 2025, 1:37pm UTC](https://discourse.paraview.org/t/the-color-of-menus/17062 "2025-08-27T13:37:26Z")

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Hello! All main menus, such as File, Edit, View, Objects e.t.c. have actions of white color. The actions in Filters and Extractors have gray color, the same as color as the panel with menus. Why are they different? Can I…

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## [Trouble with correct display of interactive plane for Clip filter in derived render view](https://discourse.paraview.org/t/trouble-with-correct-display-of-interactive-plane-for-clip-filter-in-derived-render-view/14827)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 9\
**Last updated:** [June 13, 2024, 4:18pm UTC](https://discourse.paraview.org/t/trouble-with-correct-display-of-interactive-plane-for-clip-filter-in-derived-render-view/14827 "2024-06-13T16:18:11Z")

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Situation: porting ParaView custom application from PV5.10 to 5.12. Affected plugin: a derived “render view” where only the points related selection buttons are hidden, no own code or functionality added to standard ren…

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## [segfault importing vtkhdf files](https://discourse.paraview.org/t/segfault-importing-vtkhdf-files/17317)

<div class="topic-metadata">

**Author:** [@philipdeegan](https://discourse.paraview.org/u/philipdeegan)\
**Replies:** 11\
**Last updated:** [November 18, 2025, 12:39pm UTC](https://discourse.paraview.org/t/segfault-importing-vtkhdf-files/17317 "2025-11-18T12:39:24Z")

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Hi there, I’m experiencing a segfault importing vtkhdf files with paraview 5.13, 6.0.0, and 6.0.1 This only seems to happen on fedora, I do not get a segfault on debian 13 Any ideas? application called MPI\_Abort(MPI\_…

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## [Tips to visualize a vector field with an overlaid molecule](https://discourse.paraview.org/t/tips-to-visualize-a-vector-field-with-an-overlaid-molecule/17493)

<div class="topic-metadata">

**Author:** [@jzwanzig](https://discourse.paraview.org/u/jzwanzig)\
**Replies:** 11\
**Last updated:** [March 26, 2026, 5:00pm UTC](https://discourse.paraview.org/t/tips-to-visualize-a-vector-field-with-an-overlaid-molecule/17493 "2026-03-26T17:00:44Z")

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Hello, perhaps this question is better suited to a vtk forum, but I thought I’d start here: I generate vector field data with an ab initio code, and I have been able to convert it to a vtkStrucuturedGrid and visualize it…

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## [Tecplot Reader & New Parameters](https://discourse.paraview.org/t/tecplot-reader-new-parameters/15409)

<div class="topic-metadata">

**Author:** [@jmlink](https://discourse.paraview.org/u/jmlink)\
**Replies:** 9\
**Last updated:** [September 24, 2024, 3:56pm UTC](https://discourse.paraview.org/t/tecplot-reader-new-parameters/15409 "2024-09-24T15:56:13Z")

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When I load a state file I need to be able to have access to additional parameters that are in the new tecplot files. For instance, if I have three vector components (x, y, and z) I will want to add additional parameters…

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## [Loading too many particles results in Server Disconnected](https://discourse.paraview.org/t/loading-too-many-particles-results-in-server-disconnected/17064)

<div class="topic-metadata">

**Author:** [@enricsosa](https://discourse.paraview.org/u/enricsosa)\
**Replies:** 10\
**Last updated:** [September 17, 2025, 7:59am UTC](https://discourse.paraview.org/t/loading-too-many-particles-results-in-server-disconnected/17064 "2025-09-17T07:59:32Z")

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Hello, To give some context to my problem, I am using a custom Python plugin that, in short, reads from a file, then transforms the data to numpy, and subsequently converts it to vtk format (vtkPoints) for visualization…

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## [Odd error building Paraview 5.11.1](https://discourse.paraview.org/t/odd-error-building-paraview-5-11-1/16724)

<div class="topic-metadata">

**Author:** [@lcbur](https://discourse.paraview.org/u/lcbur)\
**Replies:** 9\
**Last updated:** [May 27, 2025, 3:56pm UTC](https://discourse.paraview.org/t/odd-error-building-paraview-5-11-1/16724 "2025-05-27T15:56:35Z")

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Trying to build paraview on Rocky 9.5, with OSMesa installed we get the following odd errors: In file included from /home/paraview/src/VTK/ThirdParty/glew/vtkglew/src/glew.c(41): …

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## [Horizontal stripes show on solid surface in Q criterion contour](https://discourse.paraview.org/t/horizontal-stripes-show-on-solid-surface-in-q-criterion-contour/15092)

<div class="topic-metadata">

**Author:** [@cheapmeow](https://discourse.paraview.org/u/cheapmeow)\
**Replies:** 9\
**Last updated:** [August 2, 2024, 8:05am UTC](https://discourse.paraview.org/t/horizontal-stripes-show-on-solid-surface-in-q-criterion-contour/15092 "2024-08-02T08:05:22Z")

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My flow past airfoil case shows horizontal stripes on airfoil surface in Q criterion contour. The result is calculated by custom solver, using incompressible model, DNS algorithm, structured grid, immersive boundary met…

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## [crashing when using clip over Image (Uniform Rectilinear Grid)](https://discourse.paraview.org/t/crashing-when-using-clip-over-image-uniform-rectilinear-grid/17320)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 11\
**Last updated:** [November 26, 2025, 9:34am UTC](https://discourse.paraview.org/t/crashing-when-using-clip-over-image-uniform-rectilinear-grid/17320 "2025-11-26T09:34:30Z")

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Hello, I am opening a raw image file using the following function: def readRawFile(volFilePath=‘’,volInfoFilePath=‘’,format=‘.vol’): if volFilePath\[-4:\]!=format: volFilePath+=format if volInfoFilePat…

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## [List of ANARI renderers in ParaView 6.1.1](https://discourse.paraview.org/t/list-of-anari-renderers-in-paraview-6-1-1/17641)

<div class="topic-metadata">

**Author:** [@jmb64](https://discourse.paraview.org/u/jmb64)\
**Replies:** 10\
**Last updated:** [July 3, 2026, 4:25pm UTC](https://discourse.paraview.org/t/list-of-anari-renderers-in-paraview-6-1-1/17641 "2026-07-03T16:25:00Z")

</div>

I have built one version of ParaView 6.1.1 with ANARI support yesterday. (commit eea2fc2dc970dbfac2be500736fdea26c2d9188b) I test a simple Wedge (Unstructured mesh with 27 points and 16 cells). I get this with OSPRay …

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## [ParaView 6.2.0-RC1 throws errors for non unique nodes](https://discourse.paraview.org/t/paraview-6-2-0-rc1-throws-errors-for-non-unique-nodes/17668)

<div class="topic-metadata">

**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 10\
**Last updated:** [September 9, 2026, 1:16pm UTC](https://discourse.paraview.org/t/paraview-6-2-0-rc1-throws-errors-for-non-unique-nodes/17668 "2026-09-09T13:16:41Z")

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Hello, I am getting this error while testing ParaView 6.2.0-RC1: ( 2.503s) \[pvbatch \] vtkDataAssembly.cxx:591 ERR| vtkDataAssembly (0x7c87cc2a7f40): A child node with name 'SIDEWALL' already exists unde…

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## [Information is out of date when using get\_execute\_params() inside a python trigger for extractors](https://discourse.paraview.org/t/information-is-out-of-date-when-using-get-execute-params-inside-a-python-trigger-for-extractors/17412)

<div class="topic-metadata">

**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 9\
**Last updated:** [February 20, 2026, 7:16pm UTC](https://discourse.paraview.org/t/information-is-out-of-date-when-using-get-execute-params-inside-a-python-trigger-for-extractors/17412 "2026-02-20T19:16:12Z")

</div>

A few years ago, we implemented python triggers to ParaView Catalyst extractors. Extractors can run a piece of code that returns True or False to determine whether they should be triggered. We also implemented paraview.s…

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## [Difference in visualisation between point and point gaussian](https://discourse.paraview.org/t/difference-in-visualisation-between-point-and-point-gaussian/17515)

<div class="topic-metadata">

**Author:** [@cdelavegamartin](https://discourse.paraview.org/u/cdelavegamartin)\
**Replies:** 11\
**Last updated:** [April 8, 2026, 12:50pm UTC](https://discourse.paraview.org/t/difference-in-visualisation-between-point-and-point-gaussian/17515 "2026-04-08T12:50:45Z")

</div>

I’m visualising an scalar field clipped by scalar. It is stored as a unstructured grid, but it is technically a rectangular grid. When keeping everything the same and just switching between points and point gaussian rep…

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## [Superbuild - ctest step not working any more](https://discourse.paraview.org/t/superbuild-ctest-step-not-working-any-more/16119)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 9\
**Last updated:** [February 26, 2025, 10:16pm UTC](https://discourse.paraview.org/t/superbuild-ctest-step-not-working-any-more/16119 "2025-02-26T22:16:21Z")

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New version of my ParaView custom program ready, now fighting with the “superbuild”. Everything looks like being ok, CMake and ninja are doing their jobs like previously, but the last step, for generating a package with …

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## [Coloring surface streamlines according to sense of rotation](https://discourse.paraview.org/t/coloring-surface-streamlines-according-to-sense-of-rotation/16692)

<div class="topic-metadata">

**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 10\
**Last updated:** [May 23, 2025, 7:06am UTC](https://discourse.paraview.org/t/coloring-surface-streamlines-according-to-sense-of-rotation/16692 "2025-05-23T07:06:31Z")

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Hi I have streamlines on the surface of a cross-section both clockwise and anticlockwise rotating. I want to color it differently according to their sense of rotation, red for clock, blue for anti. How can i do it in Pa…

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## [Cannot Open some netCDF files](https://discourse.paraview.org/t/cannot-open-some-netcdf-files/15792)

<div class="topic-metadata">

**Author:** [@ANON1](https://discourse.paraview.org/u/ANON1)\
**Replies:** 9\
**Last updated:** [November 27, 2024, 9:58pm UTC](https://discourse.paraview.org/t/cannot-open-some-netcdf-files/15792 "2024-11-27T21:58:54Z")

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Hello, I have the following netCDF file: some\_data.nc (3.0 MB). I tried to open it with ParaView 5.12 without success. Any idea why it is not possible to read it? Thank you

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## [Jagged Grid rendering](https://discourse.paraview.org/t/jagged-grid-rendering/15019)

<div class="topic-metadata">

**Author:** [@terranigmus](https://discourse.paraview.org/u/terranigmus)\
**Replies:** 9\
**Last updated:** [July 9, 2024, 2:51pm UTC](https://discourse.paraview.org/t/jagged-grid-rendering/15019 "2024-07-09T14:51:23Z")

</div>

I am creating grids from points in pyvista and saving them as .vtk Whenever I open them in Paraview, they seem “jagged” as if there is some numerical issue with the coordinates. does anybody have experience with that? …

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## [Paraview crashes randomly](https://discourse.paraview.org/t/paraview-crashes-randomly/17741)

<div class="topic-metadata">

**Author:** [@rhasegawak](https://discourse.paraview.org/u/rhasegawak)\
**Replies:** 21\
**Last updated:** [October 5, 2026, 10:47am UTC](https://discourse.paraview.org/t/paraview-crashes-randomly/17741 "2026-10-05T10:47:59Z")

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Hello, I am currently working on a case.foam file that has about 25million cells. Whenever I work on data sets around the same size, Paraview suddenly crashes randomly (does not depend on which tool I use). Although I h…

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## [ParaView 5.13.1 killed by linux oom killer when volume rendering a 250MB field](https://discourse.paraview.org/t/paraview-5-13-1-killed-by-linux-oom-killer-when-volume-rendering-a-250mb-field/15992)

<div class="topic-metadata">

**Author:** [@jmb64](https://discourse.paraview.org/u/jmb64)\
**Replies:** 10\
**Last updated:** [January 17, 2025, 4:26pm UTC](https://discourse.paraview.org/t/paraview-5-13-1-killed-by-linux-oom-killer-when-volume-rendering-a-250mb-field/15992 "2025-01-17T16:26:56Z")

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Description: When changing Representation to “volume”, the PT algorithm (OpenGLProjectedTetrahedralMapper) is executing and seems to induce a ~ x200 fold increase in process resident memory (RES on htop) before crashing…

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## [Visualize Principal Axes of .VTU solid mesh](https://discourse.paraview.org/t/visualize-principal-axes-of-vtu-solid-mesh/17332)

<div class="topic-metadata">

**Author:** [@Yelena\_Luap](https://discourse.paraview.org/u/Yelena_Luap)\
**Replies:** 9\
**Last updated:** [November 30, 2025, 2:07am UTC](https://discourse.paraview.org/t/visualize-principal-axes-of-vtu-solid-mesh/17332 "2025-11-30T02:07:12Z")

</div>

I’m loading a .vtu file of a vertebra mesh in Paraview. In my python script, i’m computing the center of mass and the principal axes of that mesh. I would like to visualize the Center of Mass as a sphere and the three pr…

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## [Help visualize the Q-value](https://discourse.paraview.org/t/help-visualize-the-q-value/17397)

<div class="topic-metadata">

**Author:** [@R\_Mur](https://discourse.paraview.org/u/R_Mur)\
**Replies:** 10\
**Last updated:** [January 16, 2026, 4:35pm UTC](https://discourse.paraview.org/t/help-visualize-the-q-value/17397 "2026-01-16T16:35:00Z")

</div>

I’m trying to visualize Q-values using C++. Currently, I can’t get the intended outline to appear as shown in the file below. Could someone please tell me why? As it stands, it’s currently a cube. I want to display a …

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## [apply appendattributes to several med files](https://discourse.paraview.org/t/apply-appendattributes-to-several-med-files/15136)

<div class="topic-metadata">

**Author:** [@dim14](https://discourse.paraview.org/u/dim14)\
**Replies:** 9\
**Last updated:** [August 22, 2024, 1:03pm UTC](https://discourse.paraview.org/t/apply-appendattributes-to-several-med-files/15136 "2024-08-22T13:03:47Z")

</div>

Using a loop python script applied to several \*. med file I want to open , select a specific parameter, apply calculator filter and at last a wrap filter The main problem lay with the use of appenattibute filter. Inde…

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## [Paraview 5.11.2 crashes on startup in Windows 11, AMD Driver.](https://discourse.paraview.org/t/paraview-5-11-2-crashes-on-startup-in-windows-11-amd-driver/17560)

<div class="topic-metadata">

**Author:** [@penta](https://discourse.paraview.org/u/penta)\
**Replies:** 9\
**Last updated:** [May 12, 2026, 8:41am UTC](https://discourse.paraview.org/t/paraview-5-11-2-crashes-on-startup-in-windows-11-amd-driver/17560 "2026-05-12T08:41:11Z")

</div>

Hello, my server has Openfoam 13 with paraview 5.11.2. I want to run paraview client in my windows laptop to connect the server, but everytime I start windows paraview, it crashes. GPU is AMD Vega iGPU, driver Radeon P…

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