# Top

**URL:** https://discourse.paraview.org/top.md?page=181&period=all

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**Page:** 182

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## [How to fixed Points ID in parview wrt time?](https://discourse.paraview.org/t/how-to-fixed-points-id-in-parview-wrt-time/16395)

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**Author:** [@Madhusudan\_Sharma](https://discourse.paraview.org/u/Madhusudan_Sharma)\
**Replies:** 0\
**Last updated:** [March 27, 2025, 5:53pm UTC](https://discourse.paraview.org/t/how-to-fixed-points-id-in-parview-wrt-time/16395 "2025-03-27T17:53:32Z")

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Hi, I am using ParaView for subduction zone modelling visualizations, and I want to trace the slab angle over time. For that, I need the points’ IDs to not vary over time. If you know how to do this, I would be grateful. …

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## [Extracting surface area of selected cells/faces of an imported .obj file](https://discourse.paraview.org/t/extracting-surface-area-of-selected-cells-faces-of-an-imported-obj-file/15135)

<div class="topic-metadata">

**Author:** [@Bill\_Bo](https://discourse.paraview.org/u/Bill_Bo)\
**Replies:** 0\
**Last updated:** [July 27, 2024, 12:18am UTC](https://discourse.paraview.org/t/extracting-surface-area-of-selected-cells-faces-of-an-imported-obj-file/15135 "2024-07-27T00:18:09Z")

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Hi all, I am new to ParaView, so please bare with my lack of familiarity and skills. I have a 3D model which I would like to extract some data from. The radius of the model is 2.044m, So I was wondering from this whethe…

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## [ParaView Office Hours October 1, 2026](https://discourse.paraview.org/t/paraview-office-hours-october-1-2026/17748)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 1\
**Last updated:** [October 1, 2026, 7:31pm UTC](https://discourse.paraview.org/t/paraview-office-hours-october-1-2026/17748 "2026-10-01T19:31:32Z")

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You have questions, we have answers. Meet with ParaView experts at this week’s office hours! ParaView office hours Thursday, October 1 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call …

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## [Extract interpolated data in a programable filter](https://discourse.paraview.org/t/extract-interpolated-data-in-a-programable-filter/17384)

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**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [December 18, 2025, 6:18pm UTC](https://discourse.paraview.org/t/extract-interpolated-data-in-a-programable-filter/17384 "2025-12-18T18:18:07Z")

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Dear support, I am wondering if it is possible to define a line AB given both points and then interpolating the dataset solution on its points to later access them and perform different operations. I know how to do thi…

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## [why cleantogrid filter so slow?](https://discourse.paraview.org/t/why-cleantogrid-filter-so-slow/17370)

<div class="topic-metadata">

**Author:** [@garcfd](https://discourse.paraview.org/u/garcfd)\
**Replies:** 0\
**Last updated:** [December 13, 2025, 1:27pm UTC](https://discourse.paraview.org/t/why-cleantogrid-filter-so-slow/17370 "2025-12-13T13:27:50Z")

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I have an octree mesh flow solution which comes from my solver ufocfd (octree) I decided to use use “clean to grid” because it seems the only way to get gradients of density. I noticed that the cleantogrid filter is ve…

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## [Filters expressions for charts](https://discourse.paraview.org/t/filters-expressions-for-charts/16382)

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**Author:** [@jeDuck](https://discourse.paraview.org/u/jeDuck)\
**Replies:** 1\
**Last updated:** [March 25, 2025, 2:11pm UTC](https://discourse.paraview.org/t/filters-expressions-for-charts/16382 "2025-03-25T14:11:17Z")

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Paraview has an option to hide some arrays via Filters Expressions in settings. Is there a way to do the same in the table for charts? It is possible to control visibility of charts, but is there a way to hide arrays fro…

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## [skipZeroTime with pvpython](https://discourse.paraview.org/t/skipzerotime-with-pvpython/15460)

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**Author:** [@rmoretti](https://discourse.paraview.org/u/rmoretti)\
**Replies:** 1\
**Last updated:** [September 27, 2024, 1:45pm UTC](https://discourse.paraview.org/t/skipzerotime-with-pvpython/15460 "2024-09-27T13:45:13Z")

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Hi, I want to do post-processing with pvpython. However, I can’t include t=0s. Here is my script: from paraview.simple import \* import numpy as np import matplotlib.pyplot as plt import os # Désactiver le reset automa…

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## [Issues with OpenFOAM Foundation v13 results](https://discourse.paraview.org/t/issues-with-openfoam-foundation-v13-results/17586)

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**Author:** [@whereismymoney](https://discourse.paraview.org/u/whereismymoney)\
**Replies:** 0\
**Last updated:** [May 28, 2026, 2:10am UTC](https://discourse.paraview.org/t/issues-with-openfoam-foundation-v13-results/17586 "2026-05-28T02:10:33Z")

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I got the latest version of ParaView (which is 6.1.1), and it has difficulties with the OpenFOAM Foundation v13 results for the Duisburg Test Case Tutorial. For example, if I check the checkbox for “symmetryPlane”, the r…

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## [What’s New in In Situ Analysis and Visualization? - Free Webinar](https://discourse.paraview.org/t/what-s-new-in-in-situ-analysis-and-visualization-free-webinar/17554)

<div class="topic-metadata">

**Author:** [@NickBearup](https://discourse.paraview.org/u/NickBearup)\
**Replies:** 0\
**Last updated:** [May 7, 2026, 5:15pm UTC](https://discourse.paraview.org/t/what-s-new-in-in-situ-analysis-and-visualization-free-webinar/17554 "2026-05-07T17:15:16Z")

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Are you a developer working with large-scale simulations, looking into in situ approaches to reduce I/O bottlenecks and accelerate time to insight? Kitware is excited to be hosting a free webinar, “What’s New in In Situ…

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## [LSDynaReader error: "Database has bad state size (0)" with SPH Double Precision files](https://discourse.paraview.org/t/lsdynareader-error-database-has-bad-state-size-0-with-sph-double-precision-files/17466)

<div class="topic-metadata">

**Author:** [@Salvatore\_Russo](https://discourse.paraview.org/u/Salvatore_Russo)\
**Replies:** 0\
**Last updated:** [March 8, 2026, 12:55pm UTC](https://discourse.paraview.org/t/lsdynareader-error-database-has-bad-state-size-0-with-sph-double-precision-files/17466 "2026-03-08T12:55:28Z")

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​Hi everyone, ​I am experiencing a persistent issue when trying to load LS-DYNA results in ParaView. Every time I select the base d3plot file and use the LSDynaReader, the following errors appear in the Output Messages: …

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## [Paraview postprocessing query](https://discourse.paraview.org/t/paraview-postprocessing-query/15457)

<div class="topic-metadata">

**Author:** [@Anirban\_Das](https://discourse.paraview.org/u/Anirban_Das)\
**Replies:** 0\
**Last updated:** [September 27, 2024, 9:43am UTC](https://discourse.paraview.org/t/paraview-postprocessing-query/15457 "2024-09-27T09:43:41Z")

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Hello everyone i am working on conjugate heat transfer on melting of phase change material with fins. I have conpleted my simulation using openfoam using chtMultiregion solver and want to calculate the volume of pcm melt…

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## [Request for Review: CPEX-0050 - Solution Field Continuity Metadata in CGNS](https://discourse.paraview.org/t/request-for-review-cpex-0050-solution-field-continuity-metadata-in-cgns/17532)

<div class="topic-metadata">

**Author:** [@brtnfld](https://discourse.paraview.org/u/brtnfld)\
**Replies:** 0\
**Last updated:** [April 23, 2026, 2:10pm UTC](https://discourse.paraview.org/t/request-for-review-cpex-0050-solution-field-continuity-metadata-in-cgns/17532 "2026-04-23T14:10:30Z")

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Hello, This concerns the recently proposed CGNS CPEX 50, which introduces solution-field continuity metadata into the CGNS standard. This extension allows CGNS to indicate whether a solution field is continuous or disco…

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## [Using evenly spaced streamlines on a slice of 3D data set](https://discourse.paraview.org/t/using-evenly-spaced-streamlines-on-a-slice-of-3d-data-set/16740)

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**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 0\
**Last updated:** [May 28, 2025, 9:56pm UTC](https://discourse.paraview.org/t/using-evenly-spaced-streamlines-on-a-slice-of-3d-data-set/16740 "2025-05-28T21:56:59Z")

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Hi, I have a 3D data set for flow in a pipe. I am using slice to create a 2D slice of the c/s. Then I am am assigning vectors in y and z directions and using evenly spaced streamlines but i cannot see any streamlines. Ca…

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## [How to visualize .h5rawmerge file](https://discourse.paraview.org/t/how-to-visualize-h5rawmerge-file/16506)

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**Author:** [@noname](https://discourse.paraview.org/u/noname)\
**Replies:** 0\
**Last updated:** [April 18, 2025, 6:27pm UTC](https://discourse.paraview.org/t/how-to-visualize-h5rawmerge-file/16506 "2025-04-18T18:27:18Z")

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Hello, I am a newbee and I have results from from some simulations that are with .h5rawmerge extension and I want to visualize/postprocess them with paraview but that extension seems not to be supported, does those file…

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## [CleanToGrid equivalent in vtk](https://discourse.paraview.org/t/cleantogrid-equivalent-in-vtk/17736)

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**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 1\
**Last updated:** [September 22, 2026, 7:11am UTC](https://discourse.paraview.org/t/cleantogrid-equivalent-in-vtk/17736 "2026-09-22T07:11:53Z")

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Hello, I’m making a Python Programmable filter with several vtk operations concatenated. One of this operations requires applying CleanToGrid to a vtk object (It can be either vtkMultiBlockDataSet or vtkUnstructuredGrid…

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## [Compute the cell-wall distance in a CFD mesh](https://discourse.paraview.org/t/compute-the-cell-wall-distance-in-a-cfd-mesh/17439)

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**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [February 11, 2026, 6:25pm UTC](https://discourse.paraview.org/t/compute-the-cell-wall-distance-in-a-cfd-mesh/17439 "2026-02-11T18:25:13Z")

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Dear support, I am exploring the possibility of creating iso-wall-distance surfaces for postprocessing. Unfortunately the cell-wall distance isn’t available in my dataset and I was wondering if it could be computed in p…

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## [vtu format for FEM static problem](https://discourse.paraview.org/t/vtu-format-for-fem-static-problem/16535)

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**Author:** [@warm.as.jade0](https://discourse.paraview.org/u/warm.as.jade0)\
**Replies:** 0\
**Last updated:** [April 27, 2025, 11:55am UTC](https://discourse.paraview.org/t/vtu-format-for-fem-static-problem/16535 "2025-04-27T11:55:46Z")

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I want to have postProcess using Paraview in FEM elastoStatic problem I am a freshman for FEM and Paraview I already have the result I want to know the vtu format about this situation Please help me Thank you very m…

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## [Visualizing numbered file using a state file](https://discourse.paraview.org/t/visualizing-numbered-file-using-a-state-file/16155)

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**Author:** [@mh0120](https://discourse.paraview.org/u/mh0120)\
**Replies:** 0\
**Last updated:** [February 11, 2025, 4:26pm UTC](https://discourse.paraview.org/t/visualizing-numbered-file-using-a-state-file/16155 "2025-02-11T16:26:18Z")

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Hello experts. I am trying to load a state file using paraview.simple, version 5.10.1. I am using LoadState in paraview.simple to load a state file. Is there any way to visualize a sequentially numbered file using a s…

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## [Looking Glass support](https://discourse.paraview.org/t/looking-glass-support/16518)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 0\
**Last updated:** [April 23, 2025, 6:49pm UTC](https://discourse.paraview.org/t/looking-glass-support/16518 "2025-04-23T18:49:00Z")

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I’m having trouble with the Looking Glass plugin with a Portrait display. It seems to work as it should with the Looking Glass test images, but not when attempting to render from Paraview. Is this the best place to look …

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## [Why does Selection disappear after Apply?](https://discourse.paraview.org/t/why-does-selection-disappear-after-apply/14996)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [July 5, 2024, 12:04pm UTC](https://discourse.paraview.org/t/why-does-selection-disappear-after-apply/14996 "2024-07-05T12:04:37Z")

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Hello I ve created selection using, including, this: vtkSMProxy\* selectionSource = repr-\>GetSessionProxyManager()-\>NewProxy("sources", "IDSelectionSource"); vtkSMPropertyHelper(selectionSource, "FieldType").Set(vtk…

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## [ParaView Office Hours February 5, 2026](https://discourse.paraview.org/t/paraview-office-hours-february-5-2026/17427)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 0\
**Last updated:** [February 3, 2026, 11:39am UTC](https://discourse.paraview.org/t/paraview-office-hours-february-5-2026/17427 "2026-02-03T11:39:21Z")

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

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## [Prevent reindexing between timesteps when using the ExtractSurface filter](https://discourse.paraview.org/t/prevent-reindexing-between-timesteps-when-using-the-extractsurface-filter/16972)

<div class="topic-metadata">

**Author:** [@SchnFlo](https://discourse.paraview.org/u/SchnFlo)\
**Replies:** 0\
**Last updated:** [July 17, 2025, 11:25am UTC](https://discourse.paraview.org/t/prevent-reindexing-between-timesteps-when-using-the-extractsurface-filter/16972 "2025-07-17T11:25:50Z")

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Hello Support! I am currently trying to compute a surface integral in paraview. This is my current setup: Source: .vtu ExtractSelection: Extract cells around the surface of interest ExtractSurface: Extract surfaces to…

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## [Extracting data from a parametric case from single slice](https://discourse.paraview.org/t/extracting-data-from-a-parametric-case-from-single-slice/16320)

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**Author:** [@Rishab\_Kannamvar](https://discourse.paraview.org/u/Rishab_Kannamvar)\
**Replies:** 0\
**Last updated:** [March 13, 2025, 10:51am UTC](https://discourse.paraview.org/t/extracting-data-from-a-parametric-case-from-single-slice/16320 "2025-03-13T10:51:51Z")

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Hi, I have a set of simulations for a pump, which i do for a range of impeller speeds. I simulated 10 cases of the same pump and mesh for different impeller speeds. I picked one RPM case, extracted my domain of interest…

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## [movie of 3d image](https://discourse.paraview.org/t/movie-of-3d-image/16240)

<div class="topic-metadata">

**Author:** [@nfultz](https://discourse.paraview.org/u/nfultz)\
**Replies:** 0\
**Last updated:** [February 25, 2025, 6:18pm UTC](https://discourse.paraview.org/t/movie-of-3d-image/16240 "2025-02-25T18:18:53Z")

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Hi all, I have a 3d volume and all I want to do is make a movie of the image where it is turning. I am using paraview version 5.13.2 and the tutorials online say (for older versions) that there should be an animation bu…

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## [Particle displacement changes over time](https://discourse.paraview.org/t/particle-displacement-changes-over-time/15853)

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**Author:** [@shenbei](https://discourse.paraview.org/u/shenbei)\
**Replies:** 0\
**Last updated:** [December 12, 2024, 12:38pm UTC](https://discourse.paraview.org/t/particle-displacement-changes-over-time/15853 "2024-12-12T12:38:39Z")

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Hello everyone, if I want to obtain the displacement of each particle at each time step, how should I proceed? As shown in the following figure

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## [Rendering of large dataset in pvbatch script on computational node](https://discourse.paraview.org/t/rendering-of-large-dataset-in-pvbatch-script-on-computational-node/15595)

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**Author:** [@caddfc](https://discourse.paraview.org/u/caddfc)\
**Replies:** 0\
**Last updated:** [October 21, 2024, 10:04am UTC](https://discourse.paraview.org/t/rendering-of-large-dataset-in-pvbatch-script-on-computational-node/15595 "2024-10-21T10:04:11Z")

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Good afternoon, so I have an automatisation pvbatch script for opening a large dataset of .pfb type slicing the 3D to 2D adjusting view and than taking a screenshot. This worked now well for with netcdf before and also …

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## [A mix of gaussian points and surface representation](https://discourse.paraview.org/t/a-mix-of-gaussian-points-and-surface-representation/15344)

<div class="topic-metadata">

**Author:** [@jeDuck](https://discourse.paraview.org/u/jeDuck)\
**Replies:** 0\
**Last updated:** [September 3, 2024, 12:47pm UTC](https://discourse.paraview.org/t/a-mix-of-gaussian-points-and-surface-representation/15344 "2024-09-03T12:47:38Z")

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Dear Paraview developers, I’m currently trying to implement a new type of UnstructuredGridRepresentation, which is the same as surface representation, except all the vertex cells are visualized as spheres, like in Gauss…

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## [Depth Map Calculation from pvbatch](https://discourse.paraview.org/t/depth-map-calculation-from-pvbatch/15256)

<div class="topic-metadata">

**Author:** [@bloerp](https://discourse.paraview.org/u/bloerp)\
**Replies:** 0\
**Last updated:** [August 19, 2024, 5:06pm UTC](https://discourse.paraview.org/t/depth-map-calculation-from-pvbatch/15256 "2024-08-19T17:06:17Z")

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I am using the following code to get a depth map of my scene. Which works! But even though i used “OrientationAxesVisibility = 0” there is a big square where the orientation axis used to be, with no depth values. Likely …

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## [Apply button is not active](https://discourse.paraview.org/t/apply-button-is-not-active/14994)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [July 5, 2024, 9:08am UTC](https://discourse.paraview.org/t/apply-button-is-not-active/14994 "2024-07-05T09:08:17Z")

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Apply button is not active after my custom widget, which does not work with particular properties, but calls some commands via ClientServerStreams, after this widget is changed How to activate apply button again?

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## [Connect to pvserver with pycharm](https://discourse.paraview.org/t/connect-to-pvserver-with-pycharm/17482)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [March 18, 2026, 7:17pm UTC](https://discourse.paraview.org/t/connect-to-pvserver-with-pycharm/17482 "2026-03-18T19:17:05Z")

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Dear support, I am trying to connect to a pvserver and I can do it with the GUI. However I need to use an IDE to debug better my scripts and I am struggling with it. I have the same python version as the paraview instal…

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## [pvpython script freezes in Jupyter](https://discourse.paraview.org/t/pvpython-script-freezes-in-jupyter/17350)

<div class="topic-metadata">

**Author:** [@greg](https://discourse.paraview.org/u/greg)\
**Replies:** 0\
**Last updated:** [December 5, 2025, 2:01pm UTC](https://discourse.paraview.org/t/pvpython-script-freezes-in-jupyter/17350 "2025-12-05T14:01:53Z")

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I am trying to connect from Jupyter to a catalyst in situ simulation, but Jupyter freezes in the moment, when the in situ side connects. ( The aim of this experiment is to show some statistics, no graphics, in Jupyter fr…

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## [Extracting fluid accelerations in spatial coordinates for each time step - CFD analysis](https://discourse.paraview.org/t/extracting-fluid-accelerations-in-spatial-coordinates-for-each-time-step-cfd-analysis/17187)

<div class="topic-metadata">

**Author:** [@joe](https://discourse.paraview.org/u/joe)\
**Replies:** 0\
**Last updated:** [September 16, 2025, 9:08am UTC](https://discourse.paraview.org/t/extracting-fluid-accelerations-in-spatial-coordinates-for-each-time-step-cfd-analysis/17187 "2025-09-16T09:08:00Z")

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Dear Colleagues, Please may I request some help in the steps/process to extract fluid accelerations in spatial coordinates for each time step. I have an analysis results file where I’ve analysed a water wave passing an …

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## [Setting up Non-orthogonal coordinates](https://discourse.paraview.org/t/setting-up-non-orthogonal-coordinates/17174)

<div class="topic-metadata">

**Author:** [@emelbakry](https://discourse.paraview.org/u/emelbakry)\
**Replies:** 0\
**Last updated:** [September 9, 2025, 5:13pm UTC](https://discourse.paraview.org/t/setting-up-non-orthogonal-coordinates/17174 "2025-09-09T17:13:52Z")

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I am new on Paraview software. I have tried to go through the paraview tutorial, but yet I did not find a straight-forward answers. I have exported a Lab-DCT dataset from a dream.3d software, as XDMF file. I have then o…

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## [ray cast only mode in UniformGridRepresentation volume rendering have low quality compare to GPU based mode](https://discourse.paraview.org/t/ray-cast-only-mode-in-uniformgridrepresentation-volume-rendering-have-low-quality-compare-to-gpu-based-mode/17006)

<div class="topic-metadata">

**Author:** [@LeonHaoWI](https://discourse.paraview.org/u/LeonHaoWI)\
**Replies:** 0\
**Last updated:** [July 24, 2025, 3:31pm UTC](https://discourse.paraview.org/t/ray-cast-only-mode-in-uniformgridrepresentation-volume-rendering-have-low-quality-compare-to-gpu-based-mode/17006 "2025-07-24T15:31:39Z")

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I’m using ParaView 5.13.1 on windows(local) to volume render a volume data(from a CT scan). Found that the image quality is very low in ray cast only mode(CPU only) compare to GPU based mode. When enable ray traci…

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## [ParaView Office Hours (2025-06-26)](https://discourse.paraview.org/t/paraview-office-hours-2025-06-26/16863)

<div class="topic-metadata">

**Author:** [@dcthomp](https://discourse.paraview.org/u/dcthomp)\
**Replies:** 0\
**Last updated:** [June 25, 2025, 1:58pm UTC](https://discourse.paraview.org/t/paraview-office-hours-2025-06-26/16863 "2025-06-25T13:58:57Z")

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Join us tomorrow afternoon from 3:30-5pm ET for ParaView Office Hours! Bring questions on how to use or develop with ParaView and we will do our best to answer them. Thursday, June 26 · 3:30 – 5:00pm Time zone: Americ…

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## [Different angle view along directions](https://discourse.paraview.org/t/different-angle-view-along-directions/16194)

<div class="topic-metadata">

**Author:** [@DavidLarry](https://discourse.paraview.org/u/DavidLarry)\
**Replies:** 0\
**Last updated:** [February 19, 2025, 10:45am UTC](https://discourse.paraview.org/t/different-angle-view-along-directions/16194 "2025-02-19T10:45:10Z")

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Good morning, I am trying to reproduce the view obtained by a camera (boroscope) which has different angle views depending on the direction. The manufacturer states vision angle: 90 ° x 72 ° Is there a way to reproduc…

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## [Struggling to see layers from vtk export of Flexpde solution](https://discourse.paraview.org/t/struggling-to-see-layers-from-vtk-export-of-flexpde-solution/15887)

<div class="topic-metadata">

**Author:** [@Simba\_Kambewa](https://discourse.paraview.org/u/Simba_Kambewa)\
**Replies:** 0\
**Last updated:** [December 20, 2024, 7:44am UTC](https://discourse.paraview.org/t/struggling-to-see-layers-from-vtk-export-of-flexpde-solution/15887 "2024-12-20T07:44:11Z")

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Hi everyone, i am using flexPDE to solve thermal profiles across refractory layers. i am generating a VTK file using the TRANSFER function and I am importing this file into Paraview. I am trying to visualise this solutio…

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## [How to update ArraySelectionDomain based on selected time?](https://discourse.paraview.org/t/how-to-update-arrayselectiondomain-based-on-selected-time/15789)

<div class="topic-metadata">

**Author:** [@SBl](https://discourse.paraview.org/u/SBl)\
**Replies:** 0\
**Last updated:** [November 26, 2024, 2:57pm UTC](https://discourse.paraview.org/t/how-to-update-arrayselectiondomain-based-on-selected-time/15789 "2024-11-26T14:57:29Z")

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I am writing a python plugin which should show different properties in an ArraySelectionDomain depending on which time step is currently selected in Paraview. I have tried but I cannot seem to figure out how to update th…

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## [I have problem opening xml](https://discourse.paraview.org/t/i-have-problem-opening-xml/15764)

<div class="topic-metadata">

**Author:** [@Jack\_Jack](https://discourse.paraview.org/u/Jack_Jack)\
**Replies:** 0\
**Last updated:** [November 22, 2024, 12:37am UTC](https://discourse.paraview.org/t/i-have-problem-opening-xml/15764 "2024-11-22T00:37:09Z")

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I created xml files using openEMS. CRLH.xml (28.3 KB) However, this xml can’t be open under paraview. It gives the following error. Try a different LOD. Warning: In vtkCityGMLReader.cxx, line 1107 vtkCityGMLReader (0…

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## [how to export data from a slice or contour?](https://discourse.paraview.org/t/how-to-export-data-from-a-slice-or-contour/15705)

<div class="topic-metadata">

**Author:** [@fisker](https://discourse.paraview.org/u/fisker)\
**Replies:** 0\
**Last updated:** [November 10, 2024, 12:11pm UTC](https://discourse.paraview.org/t/how-to-export-data-from-a-slice-or-contour/15705 "2024-11-10T12:11:08Z")

</div>

thanks

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## [Assemble a mutiblock in parallel](https://discourse.paraview.org/t/assemble-a-mutiblock-in-parallel/15365)

<div class="topic-metadata">

**Author:** [@alie89](https://discourse.paraview.org/u/alie89)\
**Replies:** 0\
**Last updated:** [September 9, 2024, 1:22pm UTC](https://discourse.paraview.org/t/assemble-a-mutiblock-in-parallel/15365 "2024-09-09T13:22:31Z")

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Hi ParaView crew, Is it possible to perform any kind of multiprocessing with a programmable filter? I am trying out to use a ProcessingPool from pathos: but I am getting into the pickling nightmare (e.g.): TypeError:…

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## [Why is ProxyDefinitionManager NULL?](https://discourse.paraview.org/t/why-is-proxydefinitionmanager-null/15312)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [August 27, 2024, 2:26pm UTC](https://discourse.paraview.org/t/why-is-proxydefinitionmanager-null/15312 "2024-08-27T14:26:15Z")

</div>

Hello! I ve tried to add my custom view and representation But have faced some problems Seems, ProxyDefinitionManager = NULL causes them Why so and how to fix it?

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## [Assistance Required with EBSD Scan Analysis in ParaView](https://discourse.paraview.org/t/assistance-required-with-ebsd-scan-analysis-in-paraview/15262)

<div class="topic-metadata">

**Author:** [@Muthanna](https://discourse.paraview.org/u/Muthanna)\
**Replies:** 0\
**Last updated:** [August 20, 2024, 7:57pm UTC](https://discourse.paraview.org/t/assistance-required-with-ebsd-scan-analysis-in-paraview/15262 "2024-08-20T19:57:24Z")

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Hello All, I hope this message finds you well. I have imported my EBSD scan into ParaView with the aim of determining the X, Y coordinates and the correct orientation for each grain to facilitate my simulation work. Ho…

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## [Paraview 6.0.1 crashes when open HDF5+XDMF](https://discourse.paraview.org/t/paraview-6-0-1-crashes-when-open-hdf5-xdmf/17522)

<div class="topic-metadata">

**Author:** [@Alexander\_Lewis](https://discourse.paraview.org/u/Alexander_Lewis)\
**Replies:** 0\
**Last updated:** [April 14, 2026, 9:06am UTC](https://discourse.paraview.org/t/paraview-6-0-1-crashes-when-open-hdf5-xdmf/17522 "2026-04-14T09:06:11Z")

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I generated a AMR which stored in HDF5+XDMF. However when I try to open it with paraview 6.0.1 XDMF Reader, paraview crashed. Is it an issue with XDMF or with ParaView？ The AMR has N blocks, they have different size. A…

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## [Selection Clearing Across Multiple Render Views](https://discourse.paraview.org/t/selection-clearing-across-multiple-render-views/16203)

<div class="topic-metadata">

**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 0\
**Last updated:** [February 20, 2025, 2:34pm UTC](https://discourse.paraview.org/t/selection-clearing-across-multiple-render-views/16203 "2025-02-20T14:34:47Z")

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Dear Support! I have two RenderViews, “renderView1” and “renderView2”, placed side by side. renderView1 renders “surface1”. renderView2 renders “surface2”. Each RenderView has its own Select Cells and Clear Selection …

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## [PVPython: how to get strings from filter in python?](https://discourse.paraview.org/t/pvpython-how-to-get-strings-from-filter-in-python/16081)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [January 30, 2025, 8:09am UTC](https://discourse.paraview.org/t/pvpython-how-to-get-strings-from-filter-in-python/16081 "2025-01-30T08:09:47Z")

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Hello dear ParaView developers! I want to have a python function which returns the list of strings representing the internal parameters of my custom filter I know how to get individual numbers - for those IntVectorPro…

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## [table to points filter error: expecting proxy as input](https://discourse.paraview.org/t/table-to-points-filter-error-expecting-proxy-as-input/15778)

<div class="topic-metadata">

**Author:** [@simonw](https://discourse.paraview.org/u/simonw)\
**Replies:** 0\
**Last updated:** [November 25, 2024, 5:24pm UTC](https://discourse.paraview.org/t/table-to-points-filter-error-expecting-proxy-as-input/15778 "2024-11-25T17:24:07Z")

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from paraview.simple import \* import numpy as np from vtkmodules.vtkCommonDataModel import vtkTable from vtkmodules.vtkCommonCore import vtkDoubleArray num\_points = 100 # Calculate points angles = np.linspace(np.radians…

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## [z fighting triangle mesh over tera mesh](https://discourse.paraview.org/t/z-fighting-triangle-mesh-over-tera-mesh/15478)

<div class="topic-metadata">

**Author:** [@KaiGFaI](https://discourse.paraview.org/u/KaiGFaI)\
**Replies:** 0\
**Last updated:** [October 1, 2024, 2:30pm UTC](https://discourse.paraview.org/t/z-fighting-triangle-mesh-over-tera-mesh/15478 "2024-10-01T14:30:40Z")

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I want to render a volume mesh inside a triangle mesh, but i get artifacts i know from z fighting in opengl. Is there a way to have a clean surface rendered and have a volume mesh inside it as shown in the image but with…

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## [Is it possible to control the size of Orientation Axes?](https://discourse.paraview.org/t/is-it-possible-to-control-the-size-of-orientation-axes/17745)

<div class="topic-metadata">

**Author:** [@Joao\_Pedro\_Perdigao](https://discourse.paraview.org/u/Joao_Pedro_Perdigao)\
**Replies:** 1\
**Last updated:** [September 28, 2026, 8:37am UTC](https://discourse.paraview.org/t/is-it-possible-to-control-the-size-of-orientation-axes/17745 "2026-09-28T08:37:43Z")

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Hello everyone, I have several independent simulation files for which I would like to increase the size of the orientation axes. The issue with using “Orientation Axes Interactivity” is that the size is controlled with …

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## [EGL rendering stays at 0% GPU use in ParaView 6.0.0/6.0.1 under Docker+WSL2, even though CUDA/VisRTX works fine in the same process](https://discourse.paraview.org/t/egl-rendering-stays-at-0-gpu-use-in-paraview-6-0-0-6-0-1-under-docker-wsl2-even-though-cuda-visrtx-works-fine-in-the-same-process/17669)

<div class="topic-metadata">

**Author:** [@josebastiase](https://discourse.paraview.org/u/josebastiase)\
**Replies:** 0\
**Last updated:** [August 3, 2026, 2:11pm UTC](https://discourse.paraview.org/t/egl-rendering-stays-at-0-gpu-use-in-paraview-6-0-0-6-0-1-under-docker-wsl2-even-though-cuda-visrtx-works-fine-in-the-same-process/17669 "2026-08-03T14:11:13Z")

</div>

Setup: Windows 11 + WSL2, RTX 4060 Laptop GPU, driver 581.32/CUDA 13.0. Docker (native in WSL2, not Desktop) + NVIDIA Container Toolkit 1.19.1, --gpus all. ParaView 6.0.0 official Linux binary, confirmed via pvpython --v…

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