# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=3

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

**Page:** 4

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## [Is threre a way to interact with PythonView?](https://discourse.paraview.org/t/is-threre-a-way-to-interact-with-pythonview/7108)

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**Author:** [@ymjia](https://discourse.paraview.org/u/ymjia)\
**Replies:** 4\
**Last updated:** [May 27, 2026, 10:50am UTC](https://discourse.paraview.org/t/is-threre-a-way-to-interact-with-pythonview/7108 "2026-05-27T10:50:27Z")

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I am using matplotlib through PythonView, and try to do something respond to a mouse click, Is it possible? I found the render() function will re-run after mouse drag in PythonView, if the render function can get some m…

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## [How to change the zoom level when running pvbatch script](https://discourse.paraview.org/t/how-to-change-the-zoom-level-when-running-pvbatch-script/17577)

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**Author:** [@Nikolaos\_Beratlis](https://discourse.paraview.org/u/Nikolaos_Beratlis)\
**Replies:** 2\
**Last updated:** [May 22, 2026, 3:41pm UTC](https://discourse.paraview.org/t/how-to-change-the-zoom-level-when-running-pvbatch-script/17577 "2026-05-22T15:41:27Z")

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I have created a Paraview state file .pvsm. When I ran a python script that loads the state file and saves an animation the zoom level is different than then one when I was creating the state file in Paraview. Is it poss…

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## [.VTU files](https://discourse.paraview.org/t/vtu-files/17548)

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**Author:** [@jvcsantos](https://discourse.paraview.org/u/jvcsantos)\
**Replies:** 11\
**Last updated:** [May 21, 2026, 5:02pm UTC](https://discourse.paraview.org/t/vtu-files/17548 "2026-05-21T17:02:19Z")

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Hi! I’m a new user of Paraview and trying to visualize some files in .vtu format, but I don’t know how. Best regards, João

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## [Exporting 16-bit images from paraview](https://discourse.paraview.org/t/exporting-16-bit-images-from-paraview/17576)

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**Author:** [@aerogt3](https://discourse.paraview.org/u/aerogt3)\
**Replies:** 3\
**Last updated:** [May 21, 2026, 12:28pm UTC](https://discourse.paraview.org/t/exporting-16-bit-images-from-paraview/17576 "2026-05-21T12:28:12Z")

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Is there any way to export 16 bit images (in any format) from paraview? I don’t see anything in the GUI but perhaps there’s a hidden/scriptable capability.

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## [Ubuntu 26.04 ParaView compile and run issues](https://discourse.paraview.org/t/ubuntu-26-04-paraview-compile-and-run-issues/17563)

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**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 10\
**Last updated:** [May 20, 2026, 3:30pm UTC](https://discourse.paraview.org/t/ubuntu-26-04-paraview-compile-and-run-issues/17563 "2026-05-20T15:30:27Z")

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Dear ParaView support I have moved to an Ubuntu 26.04 laptop with an NVIDIA GPU, and attempting to compile ParaView v6.1. As a reference, I have also downloaded the pre-compiled binary (ParaView-6.1.0-MPI-Linux-Python3.…

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## [How to generate a short video in paraview](https://discourse.paraview.org/t/how-to-generate-a-short-video-in-paraview/17572)

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**Author:** [@Monirul25](https://discourse.paraview.org/u/Monirul25)\
**Replies:** 1\
**Last updated:** [May 19, 2026, 8:40pm UTC](https://discourse.paraview.org/t/how-to-generate-a-short-video-in-paraview/17572 "2026-05-19T20:40:38Z")

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Respected Experts, I am very new to using ParaView, and I want to learn how to create simulation videos step by step. I would like to understand the basics, such as loading simulation data, changing colors, creating an…

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## [ParaView 6.1.0 severe UI lag with NVIDIA driver 595 — ?? Qt 6.9 interaction](https://discourse.paraview.org/t/paraview-6-1-0-severe-ui-lag-with-nvidia-driver-595-qt-6-9-interaction/17570)

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**Author:** [@karl.randle](https://discourse.paraview.org/u/karl.randle)\
**Replies:** 0\
**Last updated:** [May 19, 2026, 10:12am UTC](https://discourse.paraview.org/t/paraview-6-1-0-severe-ui-lag-with-nvidia-driver-595-qt-6-9-interaction/17570 "2026-05-19T10:12:30Z")

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Summary ParaView 6.1.0 is extremely slow on a high-end workstation with NVIDIA driver 595.97 (RTX PRO 4000 Blackwell). The slowness affects toggling visibility of pipeline items, switching representations (e.g. outline t…

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## [Visualization error](https://discourse.paraview.org/t/visualization-error/17569)

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**Author:** [@rd.airends](https://discourse.paraview.org/u/rd.airends)\
**Replies:** 2\
**Last updated:** [May 19, 2026, 7:40am UTC](https://discourse.paraview.org/t/visualization-error/17569 "2026-05-19T07:40:56Z")

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Good Morning. I’ve installed paraview on Windows 11, to use it with cfdOf on freecad. When I open it, the window of the software is black, and I see the software GUI like I’m looking from it’s side. I know this descrip…

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## [Paraview shows wrong output, while opening OpenFOAM blockmesh file](https://discourse.paraview.org/t/paraview-shows-wrong-output-while-opening-openfoam-blockmesh-file/17568)

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**Author:** [@E.InfantBerwin](https://discourse.paraview.org/u/E.InfantBerwin)\
**Replies:** 1\
**Last updated:** [May 18, 2026, 7:09am UTC](https://discourse.paraview.org/t/paraview-shows-wrong-output-while-opening-openfoam-blockmesh-file/17568 "2026-05-18T07:09:10Z")

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Hi, Greetings! I tried to open a openfoam block mesh file in paraview, the mesh appears like, as if there is some graphical issue. please help me to resolve this issue. I am using debian os and I have installed openfo…

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## [Issues with QuerySelect between 6.0.1 and 6.1.0](https://discourse.paraview.org/t/issues-with-queryselect-between-6-0-1-and-6-1-0/17566)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [May 13, 2026, 2:57pm UTC](https://discourse.paraview.org/t/issues-with-queryselect-between-6-0-1-and-6-1-0/17566 "2026-05-13T14:57:46Z")

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Hello, not sure if this is a bug issue, a syntax that changed or something else. I have this function to extract specific values from a filter, basically i use the querySelect to select the cells or points with specifi…

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## [large performance gap beween pvpython and paraview GUI](https://discourse.paraview.org/t/large-performance-gap-beween-pvpython-and-paraview-gui/17559)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [May 12, 2026, 9:21am UTC](https://discourse.paraview.org/t/large-performance-gap-beween-pvpython-and-paraview-gui/17559 "2026-05-12T09:21:29Z")

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Hello, I have a script that takes raw data and analyze it, the script does not create absolutely no visualization whatsoever, once this is said, when i run the script from the python shell of the gui i see a large perfo…

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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)

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**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")

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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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## [HDRIs rendered very dark in OSPRay](https://discourse.paraview.org/t/hdris-rendered-very-dark-in-ospray/17553)

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**Author:** [@Lukasz](https://discourse.paraview.org/u/Lukasz)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 1:24pm UTC](https://discourse.paraview.org/t/hdris-rendered-very-dark-in-ospray/17553 "2026-05-11T13:24:12Z")

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Hi, I am on Paraview 6.0.1 and when I load a HDRI and enable it as Environment with OSPRay, the scene is very dark and the background HDRI is also very dark. Here’s a free HDRI that I used: And this is what it looks…

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## [identify cells on original filter from filter applied to](https://discourse.paraview.org/t/identify-cells-on-original-filter-from-filter-applied-to/17272)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 14\
**Last updated:** [May 11, 2026, 12:36pm UTC](https://discourse.paraview.org/t/identify-cells-on-original-filter-from-filter-applied-to/17272 "2026-05-11T12:36:32Z")

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Hello, I have the following situation: I import a surface mesh I smooth it out I generate curvature on the smoothed surface I extract with threshold some cells (faces) Now i would like to identiy the extracted cells …

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## [Paraview 6.0.0 Compatibility with LSDyna D3PLOT?](https://discourse.paraview.org/t/paraview-6-0-0-compatibility-with-lsdyna-d3plot/17211)

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**Author:** [@bwatson](https://discourse.paraview.org/u/bwatson)\
**Replies:** 7\
**Last updated:** [May 11, 2026, 11:32am UTC](https://discourse.paraview.org/t/paraview-6-0-0-compatibility-with-lsdyna-d3plot/17211 "2026-05-11T11:32:30Z")

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I am attempting to use Paraview to convert LSDyna D3PLOT geometry outputs to a sequence of .OBJ files as demonstrated in this Dyna → Blender tutorial on YouTube. The author of this video shows a simple import of the d3pl…

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## [Paraview does not open ElmerGUI vtu result file](https://discourse.paraview.org/t/paraview-does-not-open-elmergui-vtu-result-file/17556)

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**Author:** [@Roland01](https://discourse.paraview.org/u/Roland01)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 10:22am UTC](https://discourse.paraview.org/t/paraview-does-not-open-elmergui-vtu-result-file/17556 "2026-05-11T10:22:14Z")

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Hi, after installing the GIT official Elmer compiled last version and Paraview 5.12 on my Kubuntu 24.04 LTS os, everything went ok except that when opening the vtu results file with Paraview it gives an error message, so…

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## [Improving label readability and zoom behavior for graph/extremum visualizations in ParaView](https://discourse.paraview.org/t/improving-label-readability-and-zoom-behavior-for-graph-extremum-visualizations-in-paraview/17558)

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**Author:** [@Sahith](https://discourse.paraview.org/u/Sahith)\
**Replies:** 2\
**Last updated:** [May 11, 2026, 8:39am UTC](https://discourse.paraview.org/t/improving-label-readability-and-zoom-behavior-for-graph-extremum-visualizations-in-paraview/17558 "2026-05-11T08:39:51Z")

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Hello, I am exploring ParaView + TTK workflows for graph/topological visualizations (eventually extremum graphs), and I am investigating whether ParaView supports better control of labels and annotations through filters…

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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)

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**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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## [Opacity mapping for surfaces: vector field](https://discourse.paraview.org/t/opacity-mapping-for-surfaces-vector-field/17540)

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**Author:** [@jzwanzig](https://discourse.paraview.org/u/jzwanzig)\
**Replies:** 3\
**Last updated:** [May 6, 2026, 12:37pm UTC](https://discourse.paraview.org/t/opacity-mapping-for-surfaces-vector-field/17540 "2026-05-06T12:37:33Z")

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Hi, I’m plotting vector fields, and I find that the opacity mapping function only works if Representation is set to 3D Glyphs; any other entry (like Surface) doesn’t show anything. However, if I turn off opacity mapping,…

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## [Screenshot to clipboard: Cannot \`CaptureImage\` without a view or layout](https://discourse.paraview.org/t/screenshot-to-clipboard-cannot-captureimage-without-a-view-or-layout/17546)

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**Author:** [@Yann](https://discourse.paraview.org/u/Yann)\
**Replies:** 2\
**Last updated:** [May 4, 2026, 3:47pm UTC](https://discourse.paraview.org/t/screenshot-to-clipboard-cannot-captureimage-without-a-view-or-layout/17546 "2026-05-04T15:47:47Z")

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Hi all, I’m used to hit a modifier key and click the screenshot button to capture a screenshot to the clipboard. It works fine on ParaView 5.13.2 and older but I get the following error on 6.0.1 and 6.1.0: ERROR: In vt…

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## [Paraview GUI view malfunction?](https://discourse.paraview.org/t/paraview-gui-view-malfunction/15875)

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**Author:** [@thymomo178](https://discourse.paraview.org/u/thymomo178)\
**Replies:** 13\
**Last updated:** [April 29, 2026, 1:33pm UTC](https://discourse.paraview.org/t/paraview-gui-view-malfunction/15875 "2026-04-29T13:33:25Z")

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Hi, I’ve been using the same version of paraview on the same computer for 2 years, and it was working just fine this morning and then in the evening the GUI just started glitching. Specifically I just want to plot over…

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## [Animating with frozen time steps](https://discourse.paraview.org/t/animating-with-frozen-time-steps/17534)

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**Author:** [@Eliah](https://discourse.paraview.org/u/Eliah)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 6:20am UTC](https://discourse.paraview.org/t/animating-with-frozen-time-steps/17534 "2026-04-27T06:20:47Z")

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Hey all, I have ParaView 6.1.0-RC1, just wondering if someone can give some advice. I want to be able to freeze my timesteps at 0s to move the camera around to display my setup then lock the camera position and run thro…

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## [assembling 3D cross sections](https://discourse.paraview.org/t/assembling-3d-cross-sections/17533)

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**Author:** [@morraine](https://discourse.paraview.org/u/morraine)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 6:15am UTC](https://discourse.paraview.org/t/assembling-3d-cross-sections/17533 "2026-04-27T06:15:52Z")

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Hey Paraview folks, I have a number of GPR radargrams in 2D (cross section of the subsurface) with corresponding transects on the surface and I am looking to attach the radargrams to their corresponding transects to cre…

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## [Temporal derivative](https://discourse.paraview.org/t/temporal-derivative/10741)

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**Author:** [@ebreard](https://discourse.paraview.org/u/ebreard)\
**Replies:** 6\
**Last updated:** [April 25, 2026, 5:36am UTC](https://discourse.paraview.org/t/temporal-derivative/10741 "2026-04-25T05:36:54Z")

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Hi, I have velocity field data, is there a way to use existing filters to calculate the acceleration field?

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## [Trouble Seeing Geometries in vtk file](https://discourse.paraview.org/t/trouble-seeing-geometries-in-vtk-file/17531)

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**Author:** [@ErayBaykal](https://discourse.paraview.org/u/ErayBaykal)\
**Replies:** 4\
**Last updated:** [April 23, 2026, 4:09pm UTC](https://discourse.paraview.org/t/trouble-seeing-geometries-in-vtk-file/17531 "2026-04-23T16:09:27Z")

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I’ve tried uploading vtk files from different sources and they all only seem to display the bounding box and no materials within. I’ve tried changing the coloring menu to the material but it didn’t change anything. Here’…

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## [How to run a python macro with paraFoam?](https://discourse.paraview.org/t/how-to-run-a-python-macro-with-parafoam/17530)

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**Author:** [@Faraz\_Hussain](https://discourse.paraview.org/u/Faraz_Hussain)\
**Replies:** 1\
**Last updated:** [April 21, 2026, 8:49pm UTC](https://discourse.paraview.org/t/how-to-run-a-python-macro-with-parafoam/17530 "2026-04-21T20:49:55Z")

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I created a simple macro to automate some post processing. It works if I launch paraFoam and click the button for it in the GUI. But I want to run this without having to “click the button”. Here’s what I tried along with…

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

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**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")

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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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## [Load multi zone .ensight file, manipulate it and save in same format](https://discourse.paraview.org/t/load-multi-zone-ensight-file-manipulate-it-and-save-in-same-format/17518)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 5\
**Last updated:** [April 21, 2026, 9:25am UTC](https://discourse.paraview.org/t/load-multi-zone-ensight-file-manipulate-it-and-save-in-same-format/17518 "2026-04-21T09:25:57Z")

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Dear support, I need to load a multi zone .encas file which is loaded as vtkMuktiBlockDataSet and after doing some manipulations I need to save it exactly in the same format. I can do it after using merge blocks to conv…

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## [I need help can getting my stream over my car](https://discourse.paraview.org/t/i-need-help-can-getting-my-stream-over-my-car/17525)

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**Author:** [@AEROTUNES](https://discourse.paraview.org/u/AEROTUNES)\
**Replies:** 7\
**Last updated:** [April 20, 2026, 1:23pm UTC](https://discourse.paraview.org/t/i-need-help-can-getting-my-stream-over-my-car/17525 "2026-04-20T13:23:17Z")

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Im using a Linux headless server,I have to run xvfb-run,cant get the stream to got over the car? Here is the script and the image it produce,can get them to line up ,any help would be appreciated,.tryed different c…

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## [Geological Model](https://discourse.paraview.org/t/geological-model/17520)

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**Author:** [@Vicman](https://discourse.paraview.org/u/Vicman)\
**Replies:** 6\
**Last updated:** [April 20, 2026, 12:48pm UTC](https://discourse.paraview.org/t/geological-model/17520 "2026-04-20T12:48:30Z")

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Hi, I’m new in ParaView and have been trying to optimise the development of a 3D implicit model. I have created a CSV file that contains two different surfaces, and the objective is to generate a volume from these surf…

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