# Top

**URL:** https://discourse.paraview.org/top.md?page=170&period=all

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**Page:** 171

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## [ParaView display issue: only part of the simulation view renders correctly for all OpenFOAM cases](https://discourse.paraview.org/t/paraview-display-issue-only-part-of-the-simulation-view-renders-correctly-for-all-openfoam-cases/17060)

<div class="topic-metadata">

**Author:** [@Shawn2701](https://discourse.paraview.org/u/Shawn2701)\
**Replies:** 1\
**Last updated:** [August 25, 2025, 11:16am UTC](https://discourse.paraview.org/t/paraview-display-issue-only-part-of-the-simulation-view-renders-correctly-for-all-openfoam-cases/17060 "2025-08-25T11:16:51Z")

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Hi everyone, I’m having a problem with ParaView when trying to visualize my CFD simulations run with ParaFOAM/OpenFOAM. Only a small portion of the display screen shows the simulation correctly, while the rest remains b…

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## [How to manage several clients with different information with trame](https://discourse.paraview.org/t/how-to-manage-several-clients-with-different-information-with-trame/16917)

<div class="topic-metadata">

**Author:** [@Sagues](https://discourse.paraview.org/u/Sagues)\
**Replies:** 1\
**Last updated:** [August 2, 2025, 1:04am UTC](https://discourse.paraview.org/t/how-to-manage-several-clients-with-different-information-with-trame/16917 "2025-08-02T01:04:13Z")

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I am developing an application with trame. If I open several browser windows I see the same image and, if I rotate or execute any view operation (ex. zoom) I see the same image in both browser windows. I tried to use @…

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## [Out of memory issue with the programmable filter.](https://discourse.paraview.org/t/out-of-memory-issue-with-the-programmable-filter/17487)

<div class="topic-metadata">

**Author:** [@XiangyuLong](https://discourse.paraview.org/u/XiangyuLong)\
**Replies:** 3\
**Last updated:** [March 20, 2026, 5:09pm UTC](https://discourse.paraview.org/t/out-of-memory-issue-with-the-programmable-filter/17487 "2026-03-20T17:09:14Z")

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Hi experts, I’m trying to add a programmable filter to a vtk file. The vtk file is around 60mb and the text file for the programmable filter is around 20mb. Those files could be found here: Dropbox However after I load…

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## [Clip with max and min](https://discourse.paraview.org/t/clip-with-max-and-min/16425)

<div class="topic-metadata">

**Author:** [@giorgianig](https://discourse.paraview.org/u/giorgianig)\
**Replies:** 3\
**Last updated:** [April 3, 2025, 2:45pm UTC](https://discourse.paraview.org/t/clip-with-max-and-min/16425 "2025-04-03T14:45:51Z")

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Dear all, When doing a clip with Clip Type=Scalar, a single value is asked. The clip is the done from the minimum value in the range to the chosen value, or from the chosen value to the max value in the range clicking “…

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## [Linking with Boost libraries fails](https://discourse.paraview.org/t/linking-with-boost-libraries-fails/15952)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 2\
**Last updated:** [January 6, 2025, 4:10pm UTC](https://discourse.paraview.org/t/linking-with-boost-libraries-fails/15952 "2025-01-06T16:10:46Z")

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Right now I am trying to recompile ParaView 5.13 with the LAS reader option turned on, on Windows 11. I have downloaded a Boost library version 1.74 for vc142 and with mt, and I have compiled sources of liblas with the s…

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## [Paraview crashes when reading ADIOS BP file](https://discourse.paraview.org/t/paraview-crashes-when-reading-adios-bp-file/15288)

<div class="topic-metadata">

**Author:** [@stefanke](https://discourse.paraview.org/u/stefanke)\
**Replies:** 2\
**Last updated:** [August 23, 2024, 11:25am UTC](https://discourse.paraview.org/t/paraview-crashes-when-reading-adios-bp-file/15288 "2024-08-23T11:25:19Z")

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When I try to open the attached BP5 Adios2 file it just crashes with a segfault (tested with v5.12 and v5.13-RC2). bp.tgz (1.1 MB) Any idea what’s going wrong here?

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## [Are Data Range Labels fixed in latest release?](https://discourse.paraview.org/t/are-data-range-labels-fixed-in-latest-release/14839)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 2\
**Last updated:** [June 13, 2024, 11:38am UTC](https://discourse.paraview.org/t/are-data-range-labels-fixed-in-latest-release/14839 "2024-06-13T11:38:04Z")

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I just reported a bug (https://gitlab.kitware.com/paraview/paraview/-/issues/22661) where, in 5.12.0, the data range labels are incorrect – see if you can spot the issue: For various reasons, I can’t update to 5.12.1 …

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## [Bad performance of Paraview while rendering .MED files](https://discourse.paraview.org/t/bad-performance-of-paraview-while-rendering-med-files/17720)

<div class="topic-metadata">

**Author:** [@anirudhnehra](https://discourse.paraview.org/u/anirudhnehra)\
**Replies:** 5\
**Last updated:** [September 18, 2026, 2:42pm UTC](https://discourse.paraview.org/t/bad-performance-of-paraview-while-rendering-med-files/17720 "2026-09-18T14:42:45Z")

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Hello, Greetings. I have been trying to use paraview to visualize Code\_Aster result files (in .med or .rmed format) but the performance is not too good. The rotations and manipulation of mesh is slow. The performance is…

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## [Bug (?) with StreamTracer pointcloud](https://discourse.paraview.org/t/bug-with-streamtracer-pointcloud/17728)

<div class="topic-metadata">

**Author:** [@Bismuth-tetser.93](https://discourse.paraview.org/u/Bismuth-tetser.93)\
**Replies:** 5\
**Last updated:** [September 17, 2026, 3:33pm UTC](https://discourse.paraview.org/t/bug-with-streamtracer-pointcloud/17728 "2026-09-17T15:33:57Z")

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I have a vector field, and when I create a StreamTracer cloud point filter, I face an annoying bug. I take time to specify the center of the ball that seeds the streamlines, I take time to pick a number of seed points an…

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## [Generation of Annotation from Calculator data](https://discourse.paraview.org/t/generation-of-annotation-from-calculator-data/15841)

<div class="topic-metadata">

**Author:** [@katterfe](https://discourse.paraview.org/u/katterfe)\
**Replies:** 5\
**Last updated:** [December 6, 2024, 2:41pm UTC](https://discourse.paraview.org/t/generation-of-annotation-from-calculator-data/15841 "2024-12-06T14:41:32Z")

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I have a question regarding the access of calculator data from an programmable annotation in Paraview, The calculator has generated a new array X. Information say its Multiblock Datasets (Table). How can I access this ar…

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## [paraview csv output interrupt](https://discourse.paraview.org/t/paraview-csv-output-interrupt/15014)

<div class="topic-metadata">

**Author:** [@junius](https://discourse.paraview.org/u/junius)\
**Replies:** 5\
**Last updated:** [July 10, 2024, 8:30am UTC](https://discourse.paraview.org/t/paraview-csv-output-interrupt/15014 "2024-07-10T08:30:56Z")

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When I had some time series data (about 5000 time steps) that needed to be stored in CSV through Paraview, I found that the program would exit on its own, but I didn’t get the desired data. When I performed the same oper…

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## [From 2d image of fringe light projection to 3d object](https://discourse.paraview.org/t/from-2d-image-of-fringe-light-projection-to-3d-object/15714)

<div class="topic-metadata">

**Author:** [@Silvan](https://discourse.paraview.org/u/Silvan)\
**Replies:** 4\
**Last updated:** [November 12, 2024, 3:51pm UTC](https://discourse.paraview.org/t/from-2d-image-of-fringe-light-projection-to-3d-object/15714 "2024-11-12T15:51:28Z")

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Hi everyone, this is a 2D image obtained by projecting a black and white fringe light. Is it possible with some paraview function to estimate the 3d shape of the object from this information? thanks in advance!

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## [Request for Guidance on Exporting and Updating CFD Data for 3D Reduced Order Models](https://discourse.paraview.org/t/request-for-guidance-on-exporting-and-updating-cfd-data-for-3d-reduced-order-models/14729)

<div class="topic-metadata">

**Author:** [@Roshith\_Mittakolu](https://discourse.paraview.org/u/Roshith_Mittakolu)\
**Replies:** 0\
**Last updated:** [May 28, 2024, 4:38pm UTC](https://discourse.paraview.org/t/request-for-guidance-on-exporting-and-updating-cfd-data-for-3d-reduced-order-models/14729 "2024-05-28T16:38:21Z")

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Hello everyone, I hope this message finds you well. I am currently working on a project focused on building non-intrusive (data-driven) reduced order models for CFD simulations using Fluent as my solver. While I have s…

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## [Optimizing ParaView Build and Configuration for Rack Server Clusters](https://discourse.paraview.org/t/optimizing-paraview-build-and-configuration-for-rack-server-clusters/17198)

<div class="topic-metadata">

**Author:** [@arthurleo](https://discourse.paraview.org/u/arthurleo)\
**Replies:** 1\
**Last updated:** [September 23, 2025, 9:19am UTC](https://discourse.paraview.org/t/optimizing-paraview-build-and-configuration-for-rack-server-clusters/17198 "2025-09-23T09:19:26Z")

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Hi everyone, I’m currently working on optimizing ParaView builds for use in a rack server cluster setup, and I wanted to get some input on best practices and recommendations for improving performance and resource utiliz…

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## [Scalar clip in programmable filter?](https://discourse.paraview.org/t/scalar-clip-in-programmable-filter/17029)

<div class="topic-metadata">

**Author:** [@pvengineer](https://discourse.paraview.org/u/pvengineer)\
**Replies:** 2\
**Last updated:** [July 31, 2025, 9:55pm UTC](https://discourse.paraview.org/t/scalar-clip-in-programmable-filter/17029 "2025-07-31T21:55:06Z")

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I am trying to clip a 2d slice polydata by scalar within a programmable filter. I want to do this within the programmable filter to wrap up a number of different steps together. I think this should be fairly simple, but …

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## [How to retrieve the renderer from a server-side Python's plugin](https://discourse.paraview.org/t/how-to-retrieve-the-renderer-from-a-server-side-pythons-plugin/17030)

<div class="topic-metadata">

**Author:** [@florezg](https://discourse.paraview.org/u/florezg)\
**Replies:** 2\
**Last updated:** [July 31, 2025, 1:11pm UTC](https://discourse.paraview.org/t/how-to-retrieve-the-renderer-from-a-server-side-pythons-plugin/17030 "2025-07-31T13:11:54Z")

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To render VTK objects in top of default ones, like vtkPolyData, vtkUnstructuredGrid, etc., you need to get both the active view and then the respective renderer to attach a VTK actor to that display or viewport. To do so…

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## [Load UBC mesh and model, then rotate.](https://discourse.paraview.org/t/load-ubc-mesh-and-model-then-rotate/15767)

<div class="topic-metadata">

**Author:** [@rapidgeo](https://discourse.paraview.org/u/rapidgeo)\
**Replies:** 2\
**Last updated:** [November 25, 2024, 12:03pm UTC](https://discourse.paraview.org/t/load-ubc-mesh-and-model-then-rotate/15767 "2024-11-25T12:03:42Z")

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Hi, hope this is posted in the correct spot. I am trying to load a UBC 3D model and associated mesh file. The convention is to provide a single X,Y,Z coordinate to build the mesh and 3D model elements. This assumes no…

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## [How to Append Node-Based Pore Water Pressure (PWP) Data to a VTU File in ParaView](https://discourse.paraview.org/t/how-to-append-node-based-pore-water-pressure-pwp-data-to-a-vtu-file-in-paraview/15540)

<div class="topic-metadata">

**Author:** [@najafi](https://discourse.paraview.org/u/najafi)\
**Replies:** 2\
**Last updated:** [October 18, 2024, 11:30am UTC](https://discourse.paraview.org/t/how-to-append-node-based-pore-water-pressure-pwp-data-to-a-vtu-file-in-paraview/15540 "2024-10-18T11:30:11Z")

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Hello everyone, I’m working with a 3D mesh model in ParaView that was generated using OpenSees, and I have the mesh data saved in a .vtu file. Additionally, I have pore water pressure (PWP) data for all the nodes, which…

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## [programmable filter processes exodus files](https://discourse.paraview.org/t/programmable-filter-processes-exodus-files/14060)

<div class="topic-metadata">

**Author:** [@ermore](https://discourse.paraview.org/u/ermore)\
**Replies:** 0\
**Last updated:** [March 1, 2024, 3:15am UTC](https://discourse.paraview.org/t/programmable-filter-processes-exodus-files/14060 "2024-03-01T03:15:50Z")

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I need to perform function interpolation on the values on some pointData in the exodus file. x\_data = \[0.258, 0.3, 0.344, 0.381, 0.4, 0.416, 0.454, 0.498, 0.534, 0.556, 0.581, 0.598, 0.624, 0.655, 0.685, 0.71, 0.74, 0.7…

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## [Invoking sphere creation with C++ code only](https://discourse.paraview.org/t/invoking-sphere-creation-with-c-code-only/13905)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [February 9, 2024, 12:57pm UTC](https://discourse.paraview.org/t/invoking-sphere-creation-with-c-code-only/13905 "2024-02-09T12:57:19Z")

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Hello, dear Paraview developers! vtkSMSession\* session = vtkSMSession::New(); vtkSMSessionProxyManager\* pxm = session-\>GetSessionProxyManager(); vtkSMProxy\* proxy = pxm-\>NewProxy("sources", "SphereSource"); vtk…

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## [prolongation filter](https://discourse.paraview.org/t/prolongation-filter/12822)

<div class="topic-metadata">

**Author:** [@Rahi](https://discourse.paraview.org/u/Rahi)\
**Replies:** 0\
**Last updated:** [September 6, 2023, 11:34am UTC](https://discourse.paraview.org/t/prolongation-filter/12822 "2023-09-06T11:34:35Z")

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Hello, I used “Transform” filter to prolong the bottom of a 3D object in stl format but changes the shape. It stretches the whole object so that the diameter of the inlet and outlet also changes, while I only need to…

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## [Increase font size for grid](https://discourse.paraview.org/t/increase-font-size-for-grid/15471)

<div class="topic-metadata">

**Author:** [@NinhGhoster](https://discourse.paraview.org/u/NinhGhoster)\
**Replies:** 1\
**Last updated:** [September 30, 2024, 6:29am UTC](https://discourse.paraview.org/t/increase-font-size-for-grid/15471 "2024-09-30T06:29:47Z")

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Hi all, I turned on the Axes Grid but the font size is small. Could you guide me how to make it bigger font label size?

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## [Bug in STEP reader's \`Read Wire\` option?](https://discourse.paraview.org/t/bug-in-step-readers-read-wire-option/17551)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 2\
**Last updated:** [May 6, 2026, 2:47pm UTC](https://discourse.paraview.org/t/bug-in-step-readers-read-wire-option/17551 "2026-05-06T14:47:14Z")

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Below is a STEP file of a knuckle geometry. Here’s what it looks like rendered in Coreform Cubit: And here’s what it looks like in ParaView if I Read Wire and then Extract Cells by Type for surfaces and lines (st…

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## [Importing paraview.simple](https://discourse.paraview.org/t/importing-paraview-simple/17321)

<div class="topic-metadata">

**Author:** [@PyJay](https://discourse.paraview.org/u/PyJay)\
**Replies:** 2\
**Last updated:** [November 19, 2025, 5:22pm UTC](https://discourse.paraview.org/t/importing-paraview-simple/17321 "2025-11-19T17:22:39Z")

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Hi everyone, I’m tryining to use Paraview through python pipeline. I do not understand why I get the error “ModuleNotFoundError: No module named ‘\_paraview\_modules\_static’“ when I run the following code: import os impo…

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## [vtkBlockColors vs Block id](https://discourse.paraview.org/t/vtkblockcolors-vs-block-id/16326)

<div class="topic-metadata">

**Author:** [@Hemiao\_Zhang](https://discourse.paraview.org/u/Hemiao_Zhang)\
**Replies:** 2\
**Last updated:** [March 14, 2025, 6:13pm UTC](https://discourse.paraview.org/t/vtkblockcolors-vs-block-id/16326 "2025-03-14T18:13:12Z")

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Hi Paraview community, I am wondering what is the difference between the numbering in vtkBlock and Block from the properties panel. For instance, in the screenshot attached, why are the numberings from \`vtkBlockColors’ …

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## [Not able to visualize orientation with Quaternions in vtu files](https://discourse.paraview.org/t/not-able-to-visualize-orientation-with-quaternions-in-vtu-files/17742)

<div class="topic-metadata">

**Author:** [@pfahd](https://discourse.paraview.org/u/pfahd)\
**Replies:** 8\
**Last updated:** [September 30, 2026, 8:44am UTC](https://discourse.paraview.org/t/not-able-to-visualize-orientation-with-quaternions-in-vtu-files/17742 "2026-09-30T08:44:49Z")

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I am trying to visualize orientation of spherical particles. I have vtu files which has 4-component Quaternions in it, as can be seen in the screenshot. (or see the file: config\_t90.vtu (1.3 KB) ) However, I am not a…

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## [VTKHDF usage](https://discourse.paraview.org/t/vtkhdf-usage/17697)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 3\
**Last updated:** [August 26, 2026, 8:51am UTC](https://discourse.paraview.org/t/vtkhdf-usage/17697 "2026-08-26T08:51:05Z")

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I am evaluating the possibility of converting my data I/O to using the VTKHDF format. I am using ParaView v6.2.0-RC1. My datasets are made of single-block unstructured grids (either hexs, or quads) I can use the follow…

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## [code is hanging in the initialization](https://discourse.paraview.org/t/code-is-hanging-in-the-initialization/16244)

<div class="topic-metadata">

**Author:** [@uturuncoglu](https://discourse.paraview.org/u/uturuncoglu)\
**Replies:** 3\
**Last updated:** [February 26, 2025, 5:12pm UTC](https://discourse.paraview.org/t/code-is-hanging-in-the-initialization/16244 "2025-02-26T17:12:10Z")

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I am trying to use catalyst in my simulation code. I have node properly set up for the initialization { "catalyst": { "scripts": { "script1": { "filename": { "dtype"…

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## [print in terminal when using pvbatch](https://discourse.paraview.org/t/print-in-terminal-when-using-pvbatch/12933)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [September 26, 2023, 10:41am UTC](https://discourse.paraview.org/t/print-in-terminal-when-using-pvbatch/12933 "2023-09-26T10:41:12Z")

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Hello, I am looking to print some info when I run the paraview script in pvbatch from the terminal (WSL in windows if it matters using paraview windows). eventhought I have print statements in the script I failed to ma…

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## [Why Does ParaView Documentation Reverse the Conventional Return Codes for Success and Failure?](https://discourse.paraview.org/t/why-does-paraview-documentation-reverse-the-conventional-return-codes-for-success-and-failure/14442)

<div class="topic-metadata">

**Author:** [@Reshm\_R\_S](https://discourse.paraview.org/u/Reshm_R_S)\
**Replies:** 1\
**Last updated:** [April 19, 2024, 5:01pm UTC](https://discourse.paraview.org/t/why-does-paraview-documentation-reverse-the-conventional-return-codes-for-success-and-failure/14442 "2024-04-19T17:01:54Z")

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I am quite used to the convention of representing a “success” with “return 0” and “failure” with “return 1”. Do you know why this concept is reversed in the documentation at util.vtkAlgorithm Module — ParaView/Python 5.…

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## [how to creat pathline with csv file](https://discourse.paraview.org/t/how-to-creat-pathline-with-csv-file/13522)

<div class="topic-metadata">

**Author:** [@unico2](https://discourse.paraview.org/u/unico2)\
**Replies:** 1\
**Last updated:** [December 18, 2023, 9:01am UTC](https://discourse.paraview.org/t/how-to-creat-pathline-with-csv-file/13522 "2023-12-18T09:01:57Z")

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Hello I’m sorry I’m beginner of paraview I would like to know how to make pathline with csv file? I can’t find some specific information. my filed is 2D. so I’m not sure about this. If somebody knows about this, ple…

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## [How to change the index of the first point for plotting](https://discourse.paraview.org/t/how-to-change-the-index-of-the-first-point-for-plotting/16122)

<div class="topic-metadata">

**Author:** [@s1291](https://discourse.paraview.org/u/s1291)\
**Replies:** 4\
**Last updated:** [February 7, 2025, 10:15am UTC](https://discourse.paraview.org/t/how-to-change-the-index-of-the-first-point-for-plotting/16122 "2025-02-07T10:15:41Z")

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Hello, I have the following set of vertex cells as shown in the screenshot below: These vertex cells are ordered counter-clockwise as indicated (notice the cells with index 0, 1, … 13, … etc). When I use the “Plot …

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## [Mass flow rate of the particle calculation in paraview](https://discourse.paraview.org/t/mass-flow-rate-of-the-particle-calculation-in-paraview/16593)

<div class="topic-metadata">

**Author:** [@Siddhartha\_Roy](https://discourse.paraview.org/u/Siddhartha_Roy)\
**Replies:** 1\
**Last updated:** [May 17, 2025, 3:01pm UTC](https://discourse.paraview.org/t/mass-flow-rate-of-the-particle-calculation-in-paraview/16593 "2025-05-17T15:01:16Z")

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The MFix DEM simulation is pure granular flow of solid particles. I am calculating the mass flow rate at the plane using mass flow rate monitoring. I got average mass flow rate of 0.001002kg/s at steady state from 0.2s t…

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## [Paraview stopped working completely](https://discourse.paraview.org/t/paraview-stopped-working-completely/15413)

<div class="topic-metadata">

**Author:** [@legno](https://discourse.paraview.org/u/legno)\
**Replies:** 1\
**Last updated:** [September 20, 2024, 11:53am UTC](https://discourse.paraview.org/t/paraview-stopped-working-completely/15413 "2024-09-20T11:53:22Z")

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Hello, I am on OSx 14.6, I have an .xdmf file and a related .h5 file that I could succesfully open with Paraivew 5.13.0. I did not update Paraview, and all of a sudden Paraview stopped working. I open the same file that…

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## [Controlling remote/parallel and local rendering](https://discourse.paraview.org/t/controlling-remote-parallel-and-local-rendering/14412)

<div class="topic-metadata">

**Author:** [@isaac\_lee](https://discourse.paraview.org/u/isaac_lee)\
**Replies:** 1\
**Last updated:** [April 16, 2024, 11:12am UTC](https://discourse.paraview.org/t/controlling-remote-parallel-and-local-rendering/14412 "2024-04-16T11:12:32Z")

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I would appreciate any guidance how I might be able to control which pipeline objects are rendered remotely (the preference) and which are rendered locally. With the Remote Render Threshold set to zero, can I use this m…

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## [How to generate points on flat surfaces](https://discourse.paraview.org/t/how-to-generate-points-on-flat-surfaces/17527)

<div class="topic-metadata">

**Author:** [@PeterMihalka](https://discourse.paraview.org/u/PeterMihalka)\
**Replies:** 3\
**Last updated:** [April 21, 2026, 9:46am UTC](https://discourse.paraview.org/t/how-to-generate-points-on-flat-surfaces/17527 "2026-04-21T09:46:50Z")

</div>

I would like to generate a rectangular mesh or points on the surfaces of flat 3D building models, e.g. every 0.1m. I plan to analyze the results of multiple simulations on these points. Is it possible to generate a set o…

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## [xdmf topology constant](https://discourse.paraview.org/t/xdmf-topology-constant/14385)

<div class="topic-metadata">

**Author:** [@schupin](https://discourse.paraview.org/u/schupin)\
**Replies:** 0\
**Last updated:** [April 11, 2024, 11:20am UTC](https://discourse.paraview.org/t/xdmf-topology-constant/14385 "2024-04-11T11:20:48Z")

</div>

Hi all, I want to use xdmf files to load temporal datas saved as raw data. To get an example, I loaded my data into paraview and saved it as a .xmf file. This file works fine but the geometry/topology part is repeated…

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## [Plugin: Why do I change .xml file, but the default values are still the same?](https://discourse.paraview.org/t/plugin-why-do-i-change-xml-file-but-the-default-values-are-still-the-same/14187)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [April 1, 2024, 11:43pm UTC](https://discourse.paraview.org/t/plugin-why-do-i-change-xml-file-but-the-default-values-are-still-the-same/14187 "2024-04-01T23:43:25Z")

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Hello dear Paraview developers! Could one help me please, I am modifying the XML file of the plugin, but default values dont change. I tried launching cmake without entire solution rebuild, but it has not worked. I have…

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## [Free Webinar : Introduction to LidarView ](https://discourse.paraview.org/t/free-webinar-introduction-to-lidarview/14491)

<div class="topic-metadata">

**Author:** [@Gatien\_Ferret](https://discourse.paraview.org/u/Gatien_Ferret)\
**Replies:** 0\
**Last updated:** [April 25, 2024, 4:13pm UTC](https://discourse.paraview.org/t/free-webinar-introduction-to-lidarview/14491 "2024-04-25T16:13:15Z")

</div>

Ready to join us on LidarView Introduction Webinar ? LiDAR ( Light Detection and Ranging) sensors provide dense and accurate distance measurements of the world around. It is becoming more and more popular and afforda…

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## [Vtk renderer access from within the filter](https://discourse.paraview.org/t/vtk-renderer-access-from-within-the-filter/13740)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 3:35pm UTC](https://discourse.paraview.org/t/vtk-renderer-access-from-within-the-filter/13740 "2024-01-19T15:35:55Z")

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Hello! In vtk standard examples it is possible to select objects through a pattern like this vtkNew\<vtkRenderer\> renderer; vtkNew\<vtkRenderWindow\> renderWindow; renderWindow-\>AddRenderer(renderer); vtk…

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## [VTS file that created by VTK shows errors of wireframe and ripple-like disappearance of values when three dimension are not the same](https://discourse.paraview.org/t/vts-file-that-created-by-vtk-shows-errors-of-wireframe-and-ripple-like-disappearance-of-values-when-three-dimension-are-not-the-same/15013)

<div class="topic-metadata">

**Author:** [@cheapmeow](https://discourse.paraview.org/u/cheapmeow)\
**Replies:** 2\
**Last updated:** [July 9, 2024, 11:00am UTC](https://discourse.paraview.org/t/vts-file-that-created-by-vtk-shows-errors-of-wireframe-and-ripple-like-disappearance-of-values-when-three-dimension-are-not-the-same/15013 "2024-07-09T11:00:48Z")

</div>

Description I am using custom solver to work. I use VTK to output VTS file, when three dimensions are the same, there is no errors. But when they are not the same, paraview read the file and shows weird wireframe preview…

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## [Zooming a picture](https://discourse.paraview.org/t/zooming-a-picture/13910)

<div class="topic-metadata">

**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 1\
**Last updated:** [February 12, 2024, 9:14am UTC](https://discourse.paraview.org/t/zooming-a-picture/13910 "2024-02-12T09:14:10Z")

</div>

Hello everyone Please tell me How we can zoom a particular portion in paraview ?

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## [LVServer issue](https://discourse.paraview.org/t/lvserver-issue/17549)

<div class="topic-metadata">

**Author:** [@rowan](https://discourse.paraview.org/u/rowan)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 8:13am UTC](https://discourse.paraview.org/t/lvserver-issue/17549 "2026-05-11T08:13:35Z")

</div>

I have a python program that connects to a pvserver and I’m trying to extend its capabilities to LidarView. It runs inside a docker container and I copy the python 3.12 site-packages into the containers site-packages dir…

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## [paraview bundled numpy at EOL](https://discourse.paraview.org/t/paraview-bundled-numpy-at-eol/17486)

<div class="topic-metadata">

**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 2\
**Last updated:** [March 19, 2026, 2:57pm UTC](https://discourse.paraview.org/t/paraview-bundled-numpy-at-eol/17486 "2026-03-19T14:57:34Z")

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Dear Support! The current version of numpy that is bundled with paraview (6.0.1) is 1.26.4, which is more than two years old and I think it is at EOL status now. The latest numpy is 2.4.3, and I see that there are nice…

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## [paraview for image treatment (3D scan, tif format)](https://discourse.paraview.org/t/paraview-for-image-treatment-3d-scan-tif-format/17302)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [November 12, 2025, 10:08am UTC](https://discourse.paraview.org/t/paraview-for-image-treatment-3d-scan-tif-format/17302 "2025-11-12T10:08:25Z")

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Hello, I have looked a little bit around and did not came up with a conclusive answer for this, therefore I am making a post. I would like to use paraview to treat my 3D images, i can open the file and do some simple t…

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## [Cell and point selection does not work in CMB on SMTK file](https://discourse.paraview.org/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/17293)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 1:23pm UTC](https://discourse.paraview.org/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/17293 "2025-11-05T13:23:18Z")

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Hi, I would like to select cells or points in a discrete model imported into CMB. As an example, I considered the knee.smtk file shipped with CMB. I open it in CMB. I can select blocks with the “Select Block” command, b…

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## [Documentation for using mult-threading via MPI in Trame/Paraview app](https://discourse.paraview.org/t/documentation-for-using-mult-threading-via-mpi-in-trame-paraview-app/16813)

<div class="topic-metadata">

**Author:** [@Stacey.Whitmore](https://discourse.paraview.org/u/Stacey.Whitmore)\
**Replies:** 2\
**Last updated:** [June 14, 2025, 2:56am UTC](https://discourse.paraview.org/t/documentation-for-using-mult-threading-via-mpi-in-trame-paraview-app/16813 "2025-06-14T02:56:47Z")

</div>

Hi. I’m looking to utilize mult-threading in a Trame/Paraview app utilizing MPI and possibly PvBatch. Although I have found some documentation for using MPI and PvBatch within ParaView I was wondering if there was some P…

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## [Register attribute not implemented in v5.10](https://discourse.paraview.org/t/register-attribute-not-implemented-in-v5-10/13907)

<div class="topic-metadata">

**Author:** [@rsantet](https://discourse.paraview.org/u/rsantet)\
**Replies:** 0\
**Last updated:** [February 9, 2024, 1:52pm UTC](https://discourse.paraview.org/t/register-attribute-not-implemented-in-v5-10/13907 "2024-02-09T13:52:18Z")

</div>

I am using Rheolef, which calls Paraview to render meshes. At one point, the script (which can be found here) calls (line 160) the function CreateScalarBar of the simple module, which calls (line 1982) the Register metho…

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## [How to process the 3D calculations data of basilisk CFD solver?](https://discourse.paraview.org/t/how-to-process-the-3d-calculations-data-of-basilisk-cfd-solver/17465)

<div class="topic-metadata">

**Author:** [@SigmaYot\_Zeta](https://discourse.paraview.org/u/SigmaYot_Zeta)\
**Replies:** 1\
**Last updated:** [March 7, 2026, 7:25pm UTC](https://discourse.paraview.org/t/how-to-process-the-3d-calculations-data-of-basilisk-cfd-solver/17465 "2026-03-07T19:25:19Z")

</div>

Dear all, I’m using the basilisk solver (see https://basilisk.fr/), but I don’t know how to use paraviews to handle the results of basilisk calculations. This solver comes with a output\_vtk function, but it seems to onl…

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## [Spatial average](https://discourse.paraview.org/t/spatial-average/17257)

<div class="topic-metadata">

**Author:** [@allal\_amene](https://discourse.paraview.org/u/allal_amene)\
**Replies:** 1\
**Last updated:** [October 22, 2025, 7:25am UTC](https://discourse.paraview.org/t/spatial-average/17257 "2025-10-22T07:25:55Z")

</div>

Hello, I have a .case file and I want to compute a spatial average of the fields. Afterwards, I want to visualize it using a slice or a plot over line. The problem is that I don’t know how to compute a spatial average o…

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