# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=4

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

**Page:** 5

---

## [Paraview v6.0.1 in Linux shows: vtkXOpenGLRenderWindow.:1458 WARN| bad X server connection after successful connection](https://discourse.paraview.org/t/paraview-v6-0-1-in-linux-shows-vtkxopenglrenderwindow-1458-warn-bad-x-server-connection-after-successful-connection/17501)

<div class="topic-metadata">

**Author:** [@Louis.DeLillo](https://discourse.paraview.org/u/Louis.DeLillo)\
**Replies:** 4\
**Last updated:** [April 17, 2026, 12:02pm UTC](https://discourse.paraview.org/t/paraview-v6-0-1-in-linux-shows-vtkxopenglrenderwindow-1458-warn-bad-x-server-connection-after-successful-connection/17501 "2026-04-17T12:02:17Z")

</div>

After installing Paraview v6.0.1 on our Linux HPC environment and running in client/server mode, we get the Warnings shown in the server-side logs shown below. The GUI running on the client shows the same Warning. Other …

---

## [Opening e57 files using the pdal reader](https://discourse.paraview.org/t/opening-e57-files-using-the-pdal-reader/17506)

<div class="topic-metadata">

**Author:** [@rowan](https://discourse.paraview.org/u/rowan)\
**Replies:** 4\
**Last updated:** [April 15, 2026, 5:55pm UTC](https://discourse.paraview.org/t/opening-e57-files-using-the-pdal-reader/17506 "2026-04-15T17:55:16Z")

</div>

I’m trying to load an e57 file in Paraview. I was told to use the pdal reader for this but I’m getting this error in the 6.1.0 version: ERROR: In vtkPDALReader.cxx, line 76 vtkPDALReader (0000017280680170): CreateStage…

---

## [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")

</div>

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…

---

## [6.1: how to get rid of the dark theme?](https://discourse.paraview.org/t/6-1-how-to-get-rid-of-the-dark-theme/17280)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 16\
**Last updated:** [April 13, 2026, 8:45am UTC](https://discourse.paraview.org/t/6-1-how-to-get-rid-of-the-dark-theme/17280 "2026-04-13T08:45:53Z")

</div>

I don’t see any controls in the settings. The dark theme is really hard to read – it is too dark. On Windows 11.

---

## [Missing python's stdlib modules in Paraview 6.1.0](https://discourse.paraview.org/t/missing-pythons-stdlib-modules-in-paraview-6-1-0/17513)

<div class="topic-metadata">

**Author:** [@diogo](https://discourse.paraview.org/u/diogo)\
**Replies:** 3\
**Last updated:** [April 10, 2026, 4:55pm UTC](https://discourse.paraview.org/t/missing-pythons-stdlib-modules-in-paraview-6-1-0/17513 "2026-04-10T16:55:36Z")

</div>

I tried to use some python’s stdlib in Paraview 6.1.0, but it failed to import. \>\>\> import tomllib Traceback (most recent call last): File "\<console\>", line 1, in \<module\> ModuleNotFoundError: No module named 'tomllib…

---

## [Is there NaN support for legacy vtkPolyDataReader](https://discourse.paraview.org/t/is-there-nan-support-for-legacy-vtkpolydatareader/1389)

<div class="topic-metadata">

**Author:** [@robertsawko](https://discourse.paraview.org/u/robertsawko)\
**Replies:** 9\
**Last updated:** [April 10, 2026, 9:42am UTC](https://discourse.paraview.org/t/is-there-nan-support-for-legacy-vtkpolydatareader/1389 "2026-04-10T09:42:12Z")

</div>

I would just like to double check something or perhaps request a pointer to documentation on this. ParaView is clearly prepared for handling NaN values. There’s even a special color field in Color Map Editor. But when I…

---

## [Animating mode shapes](https://discourse.paraview.org/t/animating-mode-shapes/17516)

<div class="topic-metadata">

**Author:** [@abruetsch](https://discourse.paraview.org/u/abruetsch)\
**Replies:** 1\
**Last updated:** [April 8, 2026, 5:14pm UTC](https://discourse.paraview.org/t/animating-mode-shapes/17516 "2026-04-08T17:14:23Z")

</div>

Hello, I am attempting to animate mode shapes contained within an .exo file. I have an old training guide that indicates there should be properties options “Has mode shapes” and “Animate vibrations” that will accomplish…

---

## [Avoid plotting region boundary points when using a clip by scalar](https://discourse.paraview.org/t/avoid-plotting-region-boundary-points-when-using-a-clip-by-scalar/17517)

<div class="topic-metadata">

**Author:** [@cdelavegamartin](https://discourse.paraview.org/u/cdelavegamartin)\
**Replies:** 2\
**Last updated:** [April 8, 2026, 5:07pm UTC](https://discourse.paraview.org/t/avoid-plotting-region-boundary-points-when-using-a-clip-by-scalar/17517 "2026-04-08T17:07:47Z")

</div>

I have data on a structured grid, and I want to visualise which points on my have certain conditions and how they evolve through time. The problem is that visualising with points or point gaussian, also adds some “bounda…

---

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

<div class="topic-metadata">

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

</div>

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

---

## [Calculating 1) weighted, 2) surface integrals of scalars in paraview](https://discourse.paraview.org/t/calculating-1-weighted-2-surface-integrals-of-scalars-in-paraview/17505)

<div class="topic-metadata">

**Author:** [@Fizikci](https://discourse.paraview.org/u/Fizikci)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 8:54am UTC](https://discourse.paraview.org/t/calculating-1-weighted-2-surface-integrals-of-scalars-in-paraview/17505 "2026-04-07T08:54:10Z")

</div>

Hello ParaView community, I am having deep troubles figuring out how to calculate this very specific operation: weighted, surface integrals of scalars, that is \\int \\vec{\\omega} T \\,d\\vec{A}, for example for temperatur…

---

## [Plot Multiple "Individual Blocks" with Plot on Intersection Curves](https://discourse.paraview.org/t/plot-multiple-individual-blocks-with-plot-on-intersection-curves/17514)

<div class="topic-metadata">

**Author:** [@Chris2337](https://discourse.paraview.org/u/Chris2337)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 8:42am UTC](https://discourse.paraview.org/t/plot-multiple-individual-blocks-with-plot-on-intersection-curves/17514 "2026-04-07T08:42:37Z")

</div>

Hello All, I am using the new build 6.1.0 for Windows with Plot3D files. The grid is a multi-block grid for the 2D high-lift CRM case, so I am trying to plot the pressure distribution for all three elements on a single …

---

## [Switch off dark mode in 6.0?](https://discourse.paraview.org/t/switch-off-dark-mode-in-6-0/17181)

<div class="topic-metadata">

**Author:** [@datathing](https://discourse.paraview.org/u/datathing)\
**Replies:** 8\
**Last updated:** [April 3, 2026, 1:08pm UTC](https://discourse.paraview.org/t/switch-off-dark-mode-in-6-0/17181 "2026-04-03T13:08:20Z")

</div>

I just installed 6.0 on PC and found that it has defaulted to a ‘dark mode’ UI, and I really want to switch back to the light mode that I had in version 5.x. I cannot find a way to do this in the settings, how can I get …

---

## [Visualization display error：There are strange lines appearing in the visualization](https://discourse.paraview.org/t/visualization-display-error-there-are-strange-lines-appearing-in-the-visualization/17503)

<div class="topic-metadata">

**Author:** [@lin1](https://discourse.paraview.org/u/lin1)\
**Replies:** 2\
**Last updated:** [April 2, 2026, 1:46pm UTC](https://discourse.paraview.org/t/visualization-display-error-there-are-strange-lines-appearing-in-the-visualization/17503 "2026-04-02T13:46:06Z")

</div>

Hello. I am writing to ask for advice on a problem I have encountered while using ParaView, which has puzzled me for several days. I am trying to convert polylines into rectangular solids for display. However, some line…

---

## [Screen tears and does not load properly](https://discourse.paraview.org/t/screen-tears-and-does-not-load-properly/17498)

<div class="topic-metadata">

**Author:** [@uta-dasp](https://discourse.paraview.org/u/uta-dasp)\
**Replies:** 2\
**Last updated:** [April 1, 2026, 1:36pm UTC](https://discourse.paraview.org/t/screen-tears-and-does-not-load-properly/17498 "2026-04-01T13:36:19Z")

</div>

Whenever I open paraview, it opens perfectly, but when I load a file, the screen simply tears or becomes black. It comes back intermittently, but goes black again. I have tried reinstalling the graphics drivers. The desk…

---

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

<div class="topic-metadata">

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

</div>

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

---

## [Cannot reset "Open Data With" default reader for .vtu files on Kubuntu](https://discourse.paraview.org/t/cannot-reset-open-data-with-default-reader-for-vtu-files-on-kubuntu/17496)

<div class="topic-metadata">

**Author:** [@Daniel\_Marco](https://discourse.paraview.org/u/Daniel_Marco)\
**Replies:** 1\
**Last updated:** [March 30, 2026, 11:33am UTC](https://discourse.paraview.org/t/cannot-reset-open-data-with-default-reader-for-vtu-files-on-kubuntu/17496 "2026-03-30T11:33:24Z")

</div>

I am an aerospace student using SU2 for wing simulations. I accidentally checked the “Set reader as default” box for .vtu files, selecting the OpenFOAM reader. Now, ParaView skips the “Open Data With” selection dialog an…

---

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

<div class="topic-metadata">

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

</div>

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

---

## [Paraview 6.1.0 contains new pvpython that does not correspond with the latest Paraview 6.0.1 Manuals](https://discourse.paraview.org/t/paraview-6-1-0-contains-new-pvpython-that-does-not-correspond-with-the-latest-paraview-6-0-1-manuals/17489)

<div class="topic-metadata">

**Author:** [@aspodgorski](https://discourse.paraview.org/u/aspodgorski)\
**Replies:** 1\
**Last updated:** [March 23, 2026, 12:32pm UTC](https://discourse.paraview.org/t/paraview-6-1-0-contains-new-pvpython-that-does-not-correspond-with-the-latest-paraview-6-0-1-manuals/17489 "2026-03-23T12:32:27Z")

</div>

Where can I find a list of commands for pvpython in Paraview 6.1.0. The Commands used in Paraview 6.0.1 Manuals generate errors in Paraview 6.1.0 pvpython. I intend to use the Paraview Catalyst and it is urgent. Pleas…

---

## [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")

</div>

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…

---

## [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")

</div>

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…

---

## [Error opening Nifti files](https://discourse.paraview.org/t/error-opening-nifti-files/13565)

<div class="topic-metadata">

**Author:** [@mdk82jd](https://discourse.paraview.org/u/mdk82jd)\
**Replies:** 13\
**Last updated:** [March 19, 2026, 1:44pm UTC](https://discourse.paraview.org/t/error-opening-nifti-files/13565 "2026-03-19T13:44:51Z")

</div>

Hi, I downloaded the most recent version of Paraview, and I’m unable to open nifti files (.nii.gz) that I can open with FSLeyes and ITKsnap. First, I open the folder and select “All files(\*)” because otherwise I can’t e…

---

## [Calculating flow rate form surface generated from clip filter](https://discourse.paraview.org/t/calculating-flow-rate-form-surface-generated-from-clip-filter/17483)

<div class="topic-metadata">

**Author:** [@Aimannor](https://discourse.paraview.org/u/Aimannor)\
**Replies:** 0\
**Last updated:** [March 19, 2026, 7:30am UTC](https://discourse.paraview.org/t/calculating-flow-rate-form-surface-generated-from-clip-filter/17483 "2026-03-19T07:30:55Z")

</div>

I created a new annular cylinder region using a series of clip filters to extract data in the flow field. The main goal is to separate the annular cylinder into smaller elements and then evaluate the flow rate going thro…

---

## [Visualizing ANSYS Fluent solution data, but produced mesh lines artefacts](https://discourse.paraview.org/t/visualizing-ansys-fluent-solution-data-but-produced-mesh-lines-artefacts/17479)

<div class="topic-metadata">

**Author:** [@Aimannor](https://discourse.paraview.org/u/Aimannor)\
**Replies:** 4\
**Last updated:** [March 19, 2026, 7:11am UTC](https://discourse.paraview.org/t/visualizing-ansys-fluent-solution-data-but-produced-mesh-lines-artefacts/17479 "2026-03-19T07:11:37Z")

</div>

I tried to import ANSYS Fluent solution data in the Encase Gold (ASCII) format into Paraview 6.0.0 RC1. Unfortunately, the resulting visualization included mesh lines. How can I properly visualize the solution data witho…

---

## [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")

</div>

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…

---

## [Extracting Wall nomal profiles from Cone simulation](https://discourse.paraview.org/t/extracting-wall-nomal-profiles-from-cone-simulation/17467)

<div class="topic-metadata">

**Author:** [@Sulav\_Kafle](https://discourse.paraview.org/u/Sulav_Kafle)\
**Replies:** 3\
**Last updated:** [March 12, 2026, 9:27am UTC](https://discourse.paraview.org/t/extracting-wall-nomal-profiles-from-cone-simulation/17467 "2026-03-12T09:27:46Z")

</div>

Hi, I want to extract wall normal profiles of my cone simulation. i donot want to plot along perpendicular y to surface but along the wall normal. How can i do that ?

---

## [pvbatch - vscode - debugpy](https://discourse.paraview.org/t/pvbatch-vscode-debugpy/17469)

<div class="topic-metadata">

**Author:** [@paul18fr](https://discourse.paraview.org/u/paul18fr)\
**Replies:** 2\
**Last updated:** [March 10, 2026, 5:51pm UTC](https://discourse.paraview.org/t/pvbatch-vscode-debugpy/17469 "2026-03-10T17:51:01Z")

</div>

Hi Does somebody have ever experienced using pvbatch with vscode + its debugger (debugpy)? Indeed, ‘debugpy’ has not been included into Paraview python packages (it has been installed into my venv but the process is he…

---

## [Hide outline when using volume representation](https://discourse.paraview.org/t/hide-outline-when-using-volume-representation/17314)

<div class="topic-metadata">

**Author:** [@akilandrews](https://discourse.paraview.org/u/akilandrews)\
**Replies:** 7\
**Last updated:** [March 9, 2026, 7:45pm UTC](https://discourse.paraview.org/t/hide-outline-when-using-volume-representation/17314 "2026-03-09T19:45:03Z")

</div>

When I load my .pvti data files the default representation is Outline. I then select my data array and switch to Volume representation. The outline remains and a horizontal and vertical bar also appear. How to hide the o…

---

## [How to export ParaView colormap into a format that could be read by matplotlib?](https://discourse.paraview.org/t/how-to-export-paraview-colormap-into-a-format-that-could-be-read-by-matplotlib/2394)

<div class="topic-metadata">

**Author:** [@myousefi2016](https://discourse.paraview.org/u/myousefi2016)\
**Replies:** 4\
**Last updated:** [March 9, 2026, 9:43am UTC](https://discourse.paraview.org/t/how-to-export-paraview-colormap-into-a-format-that-could-be-read-by-matplotlib/2394 "2026-03-09T09:43:10Z")

</div>

I’m wondering is it possible to export ParaView colormap in RGB format to be able to read it in matplotlib? I know that ParaView could export colormaps in .json format but I don’t know how to convert it in a suitable for…

---

## [Export of 3D-model with animation](https://discourse.paraview.org/t/export-of-3d-model-with-animation/17463)

<div class="topic-metadata">

**Author:** [@Hylten](https://discourse.paraview.org/u/Hylten)\
**Replies:** 4\
**Last updated:** [March 9, 2026, 9:24am UTC](https://discourse.paraview.org/t/export-of-3d-model-with-animation/17463 "2026-03-09T09:24:38Z")

</div>

\*Hello, as i am new to both the worlds of forum as well as to ParaView’s forum I do appologise if my question is in the wrong topic or already answered. Is it possible to already export my model to a 3d file format tha…

---

## [zooming problem](https://discourse.paraview.org/t/zooming-problem/17455)

<div class="topic-metadata">

**Author:** [@Alice\_Williams](https://discourse.paraview.org/u/Alice_Williams)\
**Replies:** 8\
**Last updated:** [March 8, 2026, 1:10pm UTC](https://discourse.paraview.org/t/zooming-problem/17455 "2026-03-08T13:10:08Z")

</div>

Dear All, When I try to zoom on the image it turns out to be really blurry. I only need small part of my image to publish. Do you have any recommendations? It turns like the one I attached.

[Previous page](https://discourse.paraview.org/c/paraview-support/7.md?page=3)

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=5)