# Top

**URL:** https://discourse.paraview.org/top.md?page=85&period=all

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**Page:** 86

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## [Histogram 'calculate average' bug?](https://discourse.paraview.org/t/histogram-calculate-average-bug/5100)

<div class="topic-metadata">

**Author:** [@dannykhf](https://discourse.paraview.org/u/dannykhf)\
**Replies:** 3\
**Last updated:** [June 21, 2023, 3:44pm UTC](https://discourse.paraview.org/t/histogram-calculate-average-bug/5100 "2023-06-21T15:44:44Z")

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It notice in Paraview 5.8 that when I use histogram and the calculate average option after a clip, the calculate average data would return junk if the bin size is large enough. Is this a bug? Data looks ok in the histog…

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## [Extract list of values](https://discourse.paraview.org/t/extract-list-of-values/9873)

<div class="topic-metadata">

**Author:** [@Lorenzo11](https://discourse.paraview.org/u/Lorenzo11)\
**Replies:** 3\
**Last updated:** [June 22, 2022, 8:34am UTC](https://discourse.paraview.org/t/extract-list-of-values/9873 "2022-06-22T08:34:02Z")

</div>

Hello, everyone, I need to work with individual values associated with mesh cells. Specifically, after opening the file.vtu with paraview and obtaining a sub-region of my domain (a sphere), I would need to extract a li…

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## [Running Interactive Paraview on a Azure Virtual Machine?](https://discourse.paraview.org/t/running-interactive-paraview-on-a-azure-virtual-machine/8995)

<div class="topic-metadata">

**Author:** [@Ahmed](https://discourse.paraview.org/u/Ahmed)\
**Replies:** 3\
**Last updated:** [February 18, 2022, 7:20pm UTC](https://discourse.paraview.org/t/running-interactive-paraview-on-a-azure-virtual-machine/8995 "2022-02-18T19:20:26Z")

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Hi! I have seen some past posts mentioning workarounds as downloading unofficial repositories which includeds something called Mesa to replace OpenGL rendering on a Virtual Machine. My question is then, will there ever…

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## [Writing tensors in VTK](https://discourse.paraview.org/t/writing-tensors-in-vtk/5889)

<div class="topic-metadata">

**Author:** [@Victor\_Saouma](https://discourse.paraview.org/u/Victor_Saouma)\
**Replies:** 1\
**Last updated:** [November 25, 2020, 10:41pm UTC](https://discourse.paraview.org/t/writing-tensors-in-vtk/5889 "2020-11-25T22:41:00Z")

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I am getting the following error Generic Warning: In C:\\bbd\\8fbebceb\\build\\superbuild\\paraview\\src\\VTK\\IO\\Legacy\\vtkDataReader.cxx, line 1506\* Error reading ascii data. Possible mismatch of datasize with declaration.\* …

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## [Improving Build\_And\_Install wiki page adding a "Common error" section ?](https://discourse.paraview.org/t/improving-build-and-install-wiki-page-adding-a-common-error-section/115)

<div class="topic-metadata">

**Author:** [@jcfr](https://discourse.paraview.org/u/jcfr)\
**Replies:** 5\
**Last updated:** [June 7, 2018, 12:48pm UTC](https://discourse.paraview.org/t/improving-build-and-install-wiki-page-adding-a-common-error-section/115 "2018-06-07T12:48:29Z")

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Would it make sense to reference known build issues on the wiki page ParaView:Build\_And\_Install? In addition of the existing “Frequently Asked Question”, I suggest to add a “Common Errors” section. For example, see Slic…

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## [C extensions for Python plugins](https://discourse.paraview.org/t/c-extensions-for-python-plugins/6528)

<div class="topic-metadata">

**Author:** [@elynch](https://discourse.paraview.org/u/elynch)\
**Replies:** 4\
**Last updated:** [March 5, 2021, 1:35pm UTC](https://discourse.paraview.org/t/c-extensions-for-python-plugins/6528 "2021-03-05T13:35:02Z")

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Is there any way to build a C or C++ extension module that could be imported by a Python ParaView plugin? Alternatively, is there any way to use Cython in a ParaView plugin? Background: I’m building a Python reader p…

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## [Visualizing Vortices in Turbulent Flow using Steamtracer Method"](https://discourse.paraview.org/t/visualizing-vortices-in-turbulent-flow-using-steamtracer-method/12032)

<div class="topic-metadata">

**Author:** [@Fatima\_Aid](https://discourse.paraview.org/u/Fatima_Aid)\
**Replies:** 2\
**Last updated:** [May 20, 2023, 9:40pm UTC](https://discourse.paraview.org/t/visualizing-vortices-in-turbulent-flow-using-steamtracer-method/12032 "2023-05-20T21:40:04Z")

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Hello everyone, I am currently working on a project involving a turbulent flow in a bend. I am trying to visualize the vortices in the flow using Paraview, but I am not sure how to proceed. I have heard that the Steamtra…

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## [abs() returns negative value? why?](https://discourse.paraview.org/t/abs-returns-negative-value-why/355)

<div class="topic-metadata">

**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 3\
**Last updated:** [July 25, 2018, 12:04pm UTC](https://discourse.paraview.org/t/abs-returns-negative-value-why/355 "2018-07-25T12:04:47Z")

</div>

Can you please tell me what is wrong in the image below? I just don’t see how abs() from a scalar can return a negative value?

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## [TexureMaptoPlane display issue](https://discourse.paraview.org/t/texuremaptoplane-display-issue/726)

<div class="topic-metadata">

**Author:** [@Dawei\_Mu](https://discourse.paraview.org/u/Dawei_Mu)\
**Replies:** 2\
**Last updated:** [October 15, 2018, 5:20pm UTC](https://discourse.paraview.org/t/texuremaptoplane-display-issue/726 "2018-10-15T17:20:43Z")

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Dear All, I am trying to use TextureMaptoPlane to add a map to one surface plane of a box. The texture display only works at some angles and becomes very noisy most of the time. I am wondering am I did something wrong…

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## [Programmable filter using paraview](https://discourse.paraview.org/t/programmable-filter-using-paraview/1054)

<div class="topic-metadata">

**Author:** [@fedecaccia](https://discourse.paraview.org/u/fedecaccia)\
**Replies:** 1\
**Last updated:** [December 17, 2018, 6:08pm UTC](https://discourse.paraview.org/t/programmable-filter-using-paraview/1054 "2018-12-17T18:08:18Z")

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I have a surface with field values (.vtk), which is an output of an openfoam postprocessing (I have made it using a cutting plane on my geometry). I need to calculate the average field value on the surface and I don’t kn…

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## [\[Bug\] 'GetTimeKeeper().Time=10.0' doesn't update global time](https://discourse.paraview.org/t/bug-gettimekeeper-time-10-0-doesnt-update-global-time/173)

<div class="topic-metadata">

**Author:** [@jussuf](https://discourse.paraview.org/u/jussuf)\
**Replies:** 1\
**Last updated:** [June 14, 2018, 4:20pm UTC](https://discourse.paraview.org/t/bug-gettimekeeper-time-10-0-doesnt-update-global-time/173 "2018-06-14T16:20:33Z")

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Hello, I would like to set Paraview’s global time programmatically from the Python Shell (and later from a plugin). I open a PVD file ‘results.pvd’ containing several time steps from Paraviews menu. Then I execute the …

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## [VTKm compilation stall on ubuntu](https://discourse.paraview.org/t/vtkm-compilation-stall-on-ubuntu/2433)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 2\
**Last updated:** [August 14, 2019, 6:28pm UTC](https://discourse.paraview.org/t/vtkm-compilation-stall-on-ubuntu/2433 "2019-08-14T18:28:26Z")

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While compiling ParaView on modest (8 core, 8Gb ram) ubuntu 18.04, ParaView compilation stalled on VTKm. A few processes remained, using 50% of the memory but only 1% of the CPU. After I killed them, just restarting th…

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## [Unicode characters in python annotation](https://discourse.paraview.org/t/unicode-characters-in-python-annotation/12385)

<div class="topic-metadata">

**Author:** [@Rojj](https://discourse.paraview.org/u/Rojj)\
**Replies:** 5\
**Last updated:** [June 28, 2023, 8:27am UTC](https://discourse.paraview.org/t/unicode-characters-in-python-annotation/12385 "2023-06-28T08:27:40Z")

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I am trying to use a unicode character in a python annotation, but it is being ignored. Am I doing something wrong or it is not possible? I can see the character in the editor, but it does not show in the view. This is …

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## [Open error in the 'pvtu' file](https://discourse.paraview.org/t/open-error-in-the-pvtu-file/10682)

<div class="topic-metadata">

**Author:** [@jaekwangjk12](https://discourse.paraview.org/u/jaekwangjk12)\
**Replies:** 4\
**Last updated:** [November 8, 2022, 4:04pm UTC](https://discourse.paraview.org/t/open-error-in-the-pvtu-file/10682 "2022-11-08T16:04:03Z")

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Hi, I have a solution file, resulting from multiprocessor wherein solutions are spread. The paraview is outputting the following error, when I open ‘pvtu’ file. "ERROR: In /opt/glr/paraview/paraview-ci/build/superbuild…

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## [remove legacy catalyst export wizard](https://discourse.paraview.org/t/remove-legacy-catalyst-export-wizard/1440)

<div class="topic-metadata">

**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 3\
**Last updated:** [March 12, 2019, 12:46am UTC](https://discourse.paraview.org/t/remove-legacy-catalyst-export-wizard/1440 "2019-03-12T00:46:53Z")

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What’s our plan for removing the legacy Catalyst export wizard? I’m referring to the Generate Script -deprecated and Data Extract Writers -deprecated menu options. cc: @Dave\_DeMarle

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## [Qt licensing changes](https://discourse.paraview.org/t/qt-licensing-changes/6438)

<div class="topic-metadata">

**Author:** [@olesenm](https://discourse.paraview.org/u/olesenm)\
**Replies:** 2\
**Last updated:** [October 12, 2021, 7:12am UTC](https://discourse.paraview.org/t/qt-licensing-changes/6438 "2021-10-12T07:12:32Z")

</div>

How will the changes in the Qt licensing model for their LTS versions affect ParaView? Seems to be the end of the line for Qt5. Will this force an early shift to Qt6 for ParaView? Is there a softer upgrade path? Where …

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## [Simple: How can I see a more precise range of data?](https://discourse.paraview.org/t/simple-how-can-i-see-a-more-precise-range-of-data/6851)

<div class="topic-metadata">

**Author:** [@ScientistRenzo](https://discourse.paraview.org/u/ScientistRenzo)\
**Replies:** 2\
**Last updated:** [April 3, 2021, 8:52pm UTC](https://discourse.paraview.org/t/simple-how-can-i-see-a-more-precise-range-of-data/6851 "2021-04-03T20:52:05Z")

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Hello I am new to ParaView. I am validating expected temperature rise data in a cube. I expect to see a .25 mK rise in temperature everywhere (ideally). I am viewing temperature and the color bar only 273, not 273.xxxx…

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## [Automatic grouping of files with Python](https://discourse.paraview.org/t/automatic-grouping-of-files-with-python/4678)

<div class="topic-metadata">

**Author:** [@wulle](https://discourse.paraview.org/u/wulle)\
**Replies:** 1\
**Last updated:** [December 24, 2021, 8:35am UTC](https://discourse.paraview.org/t/automatic-grouping-of-files-with-python/4678 "2021-12-24T08:35:32Z")

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Dear users, from a parallel simulation with many partitions I get a separate .vtu file from each processor and for each time step. My goal is to automate the generation of .vtk multiblock files (so basically grouping my…

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## [Read X3D data](https://discourse.paraview.org/t/read-x3d-data/4619)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 1\
**Last updated:** [June 18, 2020, 6:18pm UTC](https://discourse.paraview.org/t/read-x3d-data/4619 "2020-06-18T18:18:20Z")

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Does Paraview have support to read .x3d files? They show up in the file system when filtering by supported file types, but I can’t find a reader to actually process them. (Windows) Sphere.x3d (15.1 KB)

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## [Missing dll errors when building Custom Applications Examples](https://discourse.paraview.org/t/missing-dll-errors-when-building-custom-applications-examples/10905)

<div class="topic-metadata">

**Author:** [@DL-CMT](https://discourse.paraview.org/u/DL-CMT)\
**Replies:** 3\
**Last updated:** [December 6, 2022, 7:50am UTC](https://discourse.paraview.org/t/missing-dll-errors-when-building-custom-applications-examples/10905 "2022-12-06T07:50:57Z")

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I am trying to build the custom application examples (Demo0, SimpleParaView, etc.) and keep running into errors for missing dll files (similar to: Custom applications don't work). My build procedure: Launch the CMake G…

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## [Contour of principal stresses (LSDyna D3plot)](https://discourse.paraview.org/t/contour-of-principal-stresses-lsdyna-d3plot/969)

<div class="topic-metadata">

**Author:** [@Zupan\_Hu](https://discourse.paraview.org/u/Zupan_Hu)\
**Replies:** 0\
**Last updated:** [November 27, 2018, 3:14pm UTC](https://discourse.paraview.org/t/contour-of-principal-stresses-lsdyna-d3plot/969 "2018-11-27T15:14:26Z")

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I am a beginner of paraview and recently post processing LSDyna data. For stress analysis, I noticed the coloring for stress only have 7 options: xx, yy, zz, xy, yz, xz, and magnitude. However, I am more interested in Vo…

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## [ParaView Async](https://discourse.paraview.org/t/paraview-async/13058)

<div class="topic-metadata">

**Author:** [@Jay\_Jai](https://discourse.paraview.org/u/Jay_Jai)\
**Replies:** 7\
**Last updated:** [November 20, 2023, 1:25pm UTC](https://discourse.paraview.org/t/paraview-async/13058 "2023-11-20T13:25:07Z")

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Hi, I git cloned ParaView Async, ParaView, and Trame onto VSCode. I am looking to use ParaView Async to connect a simultaneous 2D and 3D visualization which when sweeped over the 3D visualization can highlight the appro…

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## [Build of Catalyst-v5.6.0-Base-Enable-Python fails](https://discourse.paraview.org/t/build-of-catalyst-v5-6-0-base-enable-python-fails/1759)

<div class="topic-metadata">

**Author:** [@tesari](https://discourse.paraview.org/u/tesari)\
**Replies:** 1\
**Last updated:** [May 3, 2019, 7:04pm UTC](https://discourse.paraview.org/t/build-of-catalyst-v5-6-0-base-enable-python-fails/1759 "2019-05-03T19:04:59Z")

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Hi, I am building Catalyst on Linux x86\_64 with gcc 6.3.1. The build fails at the very end, while building pvserver, pvpython, pvbatch and pvdataserver. The error is ‘cannot find openpty’, see attachment. In case that …

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## [Paraview displays nothing when choosing Nvdia IndeX option](https://discourse.paraview.org/t/paraview-displays-nothing-when-choosing-nvdia-index-option/3622)

<div class="topic-metadata">

**Author:** [@Abbas](https://discourse.paraview.org/u/Abbas)\
**Replies:** 4\
**Last updated:** [February 26, 2020, 4:25am UTC](https://discourse.paraview.org/t/paraview-displays-nothing-when-choosing-nvdia-index-option/3622 "2020-02-26T04:25:16Z")

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Hi there, I loaded the pvNVIDIAIndeX plugin from the Plugin Manager and created a waveform source to test it and it worked. However when I load my own Unstructured Grid Data and choose Nvidia IndeX display option, ever…

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## [visualization problem in Paraview](https://discourse.paraview.org/t/visualization-problem-in-paraview/8576)

<div class="topic-metadata">

**Author:** [@charithaRdissanayaka](https://discourse.paraview.org/u/charithaRdissanayaka)\
**Replies:** 2\
**Last updated:** [December 8, 2021, 3:09am UTC](https://discourse.paraview.org/t/visualization-problem-in-paraview/8576 "2021-12-08T03:09:17Z")

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Please be kindly give me an advice for this error. After clicking the apply button, every time paraview output is similar to the attached image. I cannot change any options in it. So if anyone know the solution for t…

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## [Plot without time moving line](https://discourse.paraview.org/t/plot-without-time-moving-line/12363)

<div class="topic-metadata">

**Author:** [@Kei\_Yamamoto](https://discourse.paraview.org/u/Kei_Yamamoto)\
**Replies:** 4\
**Last updated:** [June 27, 2023, 1:45am UTC](https://discourse.paraview.org/t/plot-without-time-moving-line/12363 "2023-06-27T01:45:03Z")

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I have a plot over time and there is always a green line indicating the time step that I’m looking at (see attached). Is there a way to make this line disappear or change the color?

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## [How to open .fits file in paraview](https://discourse.paraview.org/t/how-to-open-fits-file-in-paraview/10660)

<div class="topic-metadata">

**Author:** [@ixakalabadie](https://discourse.paraview.org/u/ixakalabadie)\
**Replies:** 4\
**Last updated:** [November 3, 2022, 3:49pm UTC](https://discourse.paraview.org/t/how-to-open-fits-file-in-paraview/10660 "2022-11-03T15:49:06Z")

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Hello, I have a .fits file I want to represent but Paraview does not give the option to open this type of file. Which would be the best option to do this? I tried opening it in python to get a numpy ndarray but I still…

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## [Paraview 5.1.4 on Ubuntu 18 becomes unresponsive](https://discourse.paraview.org/t/paraview-5-1-4-on-ubuntu-18-becomes-unresponsive/3258)

<div class="topic-metadata">

**Author:** [@MarcFrei](https://discourse.paraview.org/u/MarcFrei)\
**Replies:** 4\
**Last updated:** [January 2, 2020, 10:28pm UTC](https://discourse.paraview.org/t/paraview-5-1-4-on-ubuntu-18-becomes-unresponsive/3258 "2020-01-02T22:28:07Z")

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— Running paraview 5.1.4 in virtualbox with Windows 10 host and Ubuntu 18 guest. The paraview installation starts to become unresponsive after a few minutes of using it. Doing the same things as usual - open some pvd/vt…

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## [Animation with transparent background](https://discourse.paraview.org/t/animation-with-transparent-background/6456)

<div class="topic-metadata">

**Author:** [@NicolaM](https://discourse.paraview.org/u/NicolaM)\
**Replies:** 1\
**Last updated:** [February 13, 2021, 2:38pm UTC](https://discourse.paraview.org/t/animation-with-transparent-background/6456 "2021-02-13T14:38:51Z")

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Hi all, I need to export an animation as a series of .png files with “Save Animation”, but… …is it possible to set a transparent background? I can’t find the setting Thanks a lot.

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## [iterate through clips; No Error message for non existing sources on Mac](https://discourse.paraview.org/t/iterate-through-clips-no-error-message-for-non-existing-sources-on-mac/4535)

<div class="topic-metadata">

**Author:** [@Resa](https://discourse.paraview.org/u/Resa)\
**Replies:** 5\
**Last updated:** [December 21, 2021, 5:38pm UTC](https://discourse.paraview.org/t/iterate-through-clips-no-error-message-for-non-existing-sources-on-mac/4535 "2021-12-21T17:38:20Z")

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Hey everybody, I’d like to do some operations on all clips in my states. Their number varies between the different states. On Windows I address the Clips like this: i = 1 while 1: clipNEW = FindSource("Clip"+str(i…

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## [Using Point Data as Cell Centers in the Surface With Edges Visualisation](https://discourse.paraview.org/t/using-point-data-as-cell-centers-in-the-surface-with-edges-visualisation/12350)

<div class="topic-metadata">

**Author:** [@grld](https://discourse.paraview.org/u/grld)\
**Replies:** 3\
**Last updated:** [June 22, 2023, 12:19am UTC](https://discourse.paraview.org/t/using-point-data-as-cell-centers-in-the-surface-with-edges-visualisation/12350 "2023-06-22T00:19:37Z")

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Dear community, I would like to use ParaView to inspect the results I obtain from a cell-centered solver. The results obtained from the solver correspond to the midpoints of cubic volumes. However, ParaView interprets t…

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## [Generating Solid Slices from 3D OBJ Files in ParaView](https://discourse.paraview.org/t/generating-solid-slices-from-3d-obj-files-in-paraview/15054)

<div class="topic-metadata">

**Author:** [@Nemo](https://discourse.paraview.org/u/Nemo)\
**Replies:** 6\
**Last updated:** [July 19, 2024, 2:39am UTC](https://discourse.paraview.org/t/generating-solid-slices-from-3d-obj-files-in-paraview/15054 "2024-07-19T02:39:26Z")

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I have a PDB file containing the coordinates of the molecules. Using these coordinates, I generate a CUB file that represents the pore volume. I then use VMD to create an isosurface of the pore volume and convert it into…

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## [Export correct RGB values from Color Map with SaveScreenshot()](https://discourse.paraview.org/t/export-correct-rgb-values-from-color-map-with-savescreenshot/9728)

<div class="topic-metadata">

**Author:** [@Raffaele\_Colombi](https://discourse.paraview.org/u/Raffaele_Colombi)\
**Replies:** 3\
**Last updated:** [June 3, 2022, 6:09am UTC](https://discourse.paraview.org/t/export-correct-rgb-values-from-color-map-with-savescreenshot/9728 "2022-06-03T06:09:19Z")

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Dear Support Team, I am currently using Paraview 5.6.0 to reconstruct the pressure field from a screenshot of a Slice filter. The screenshot is exported with SaveScreenshot(). The screenshots have been exported with th…

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## [How to use Resample To Image in parallel?](https://discourse.paraview.org/t/how-to-use-resample-to-image-in-parallel/9987)

<div class="topic-metadata">

**Author:** [@robertsawko](https://discourse.paraview.org/u/robertsawko)\
**Replies:** 2\
**Last updated:** [July 11, 2022, 11:46am UTC](https://discourse.paraview.org/t/how-to-use-resample-to-image-in-parallel/9987 "2022-07-11T11:46:38Z")

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Hello, I’ve just noticed a curious behaviuor and after thinking about it I believe it is intended, but I wanted to verify it and ask how to deal with it. I had a subset of unstructured mesh resampled to image for an ex…

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## [issues of compiling v5.8.0 on nersc cori by cc and CC](https://discourse.paraview.org/t/issues-of-compiling-v5-8-0-on-nersc-cori-by-cc-and-cc/5278)

<div class="topic-metadata">

**Author:** [@zhe](https://discourse.paraview.org/u/zhe)\
**Replies:** 2\
**Last updated:** [September 7, 2020, 2:12pm UTC](https://discourse.paraview.org/t/issues-of-compiling-v5-8-0-on-nersc-cori-by-cc-and-cc/5278 "2020-09-07T14:12:45Z")

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Hello, I got following issues when compiling the v5.8.0 on nersc cori cluster: $ cmake ~/cworkspace/src/ParaView/ -DPARAVIEW\_USE\_QT=OFF -DPARAVIEW\_USE\_PYTHON=ON -DPARAVIEW\_USE\_MPI=ON -DVTK\_OPENGL\_HAS\_OSMESA:BOOL=TRUE -D…

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## [Show data from all time points](https://discourse.paraview.org/t/show-data-from-all-time-points/3394)

<div class="topic-metadata">

**Author:** [@vbuck](https://discourse.paraview.org/u/vbuck)\
**Replies:** 2\
**Last updated:** [January 24, 2020, 10:25am UTC](https://discourse.paraview.org/t/show-data-from-all-time-points/3394 "2020-01-24T10:25:28Z")

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Hello everyone, this is probably a really simple question but I could not turn up anything useful by googling. I have data that looks like this at t0 -------------------------- X -------------------------- and at t1 …

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## [How does ParaView interprete the boundary fields of OpenFoam data?](https://discourse.paraview.org/t/how-does-paraview-interprete-the-boundary-fields-of-openfoam-data/9463)

<div class="topic-metadata">

**Author:** [@ckpark96](https://discourse.paraview.org/u/ckpark96)\
**Replies:** 2\
**Last updated:** [April 20, 2022, 12:53pm UTC](https://discourse.paraview.org/t/how-does-paraview-interprete-the-boundary-fields-of-openfoam-data/9463 "2022-04-20T12:53:02Z")

</div>

Hi all, I am trying to understand how ParaView imports the data from OpenFoam data files. The order of points/cells seems to follow the ‘points’ and ‘cellZones’ files from OpenFoam but it seems like the boundary fields…

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## [Achieving left-handed axes (z down, x right, y in)](https://discourse.paraview.org/t/achieving-left-handed-axes-z-down-x-right-y-in/8813)

<div class="topic-metadata">

**Author:** [@Victor\_Koehne\_Ramalh](https://discourse.paraview.org/u/Victor_Koehne_Ramalh)\
**Replies:** 2\
**Last updated:** [January 21, 2022, 4:13pm UTC](https://discourse.paraview.org/t/achieving-left-handed-axes-z-down-x-right-y-in/8813 "2022-01-21T16:13:24Z")

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Hey all, I am trying to plot a velocity field of the subsurface in geophysical standards, which is a left-handed axis, i.e. z positive downwards, x positive to the right, and y positive inwards. The thing is Paraview use…

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## [problem while loading NetCDF file in paraview 5.7.0](https://discourse.paraview.org/t/problem-while-loading-netcdf-file-in-paraview-5-7-0/7528)

<div class="topic-metadata">

**Author:** [@Jagannath](https://discourse.paraview.org/u/Jagannath)\
**Replies:** 2\
**Last updated:** [July 2, 2021, 8:13am UTC](https://discourse.paraview.org/t/problem-while-loading-netcdf-file-in-paraview-5-7-0/7528 "2021-07-02T08:13:48Z")

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Hi all, I am using Paraview 5.7.0 and trying to visualize some .nc file (Data files can be found here: Dropbox - test\_paraview - Simplify your life). While loading these files I see 3 data file reader, 1.NetCDF CAM re…

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## [About "session" in pqServerResource](https://discourse.paraview.org/t/about-session-in-pqserverresource/9414)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 4\
**Last updated:** [April 21, 2022, 12:40pm UTC](https://discourse.paraview.org/t/about-session-in-pqserverresource/9414 "2022-04-21T12:40:30Z")

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In ParaView, all “resource” are reprsented as pqServerResource, which can be converted to an URI and is stored in the settings of ParaView so that they can be presented in the “recently used resources” menu. The current…

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## [Render Geotiff meshs](https://discourse.paraview.org/t/render-geotiff-meshs/13343)

<div class="topic-metadata">

**Author:** [@Felipe\_MTR](https://discourse.paraview.org/u/Felipe_MTR)\
**Replies:** 4\
**Last updated:** [December 5, 2023, 5:15pm UTC](https://discourse.paraview.org/t/render-geotiff-meshs/13343 "2023-12-05T17:15:13Z")

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Hi! I’m just getting into Paraview. I’m an Hydraulic Civil Engineer and usually work modeling hydrogeological scenarios. I have a raster-grid with values (Geotif file worked to open in Paraview). This info is also Georef…

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## [VTKPVVTKEXTENSIONSDEFAULT\_EXPORT replacement?](https://discourse.paraview.org/t/vtkpvvtkextensionsdefault-export-replacement/4515)

<div class="topic-metadata">

**Author:** [@Chris\_Marsh](https://discourse.paraview.org/u/Chris_Marsh)\
**Replies:** 4\
**Last updated:** [June 23, 2020, 9:40pm UTC](https://discourse.paraview.org/t/vtkpvvtkextensionsdefault-export-replacement/4515 "2020-06-23T21:40:34Z")

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I have a plugin derived from vtkTableAlgorithm that I would like to update for Paraview 5.7+. I’ve been following the migration guide. However when building I don’t have this file vtkPVVTKExtensionsDefaultModule.h which…

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## [need help on ParaView startup](https://discourse.paraview.org/t/need-help-on-paraview-startup/4112)

<div class="topic-metadata">

**Author:** [@avshalom\_mor](https://discourse.paraview.org/u/avshalom_mor)\
**Replies:** 4\
**Last updated:** [April 20, 2020, 7:10am UTC](https://discourse.paraview.org/t/need-help-on-paraview-startup/4112 "2020-04-20T07:10:11Z")

</div>

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## [Is a "NamedValuesDomain" a good addition ?](https://discourse.paraview.org/t/is-a-namedvaluesdomain-a-good-addition/1892)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 4\
**Last updated:** [May 21, 2019, 12:50pm UTC](https://discourse.paraview.org/t/is-a-namedvaluesdomain-a-good-addition/1892 "2019-05-21T12:50:06Z")

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In ParaView, ArraySelectionDomain allows to select wich array (actually which string) to enable/disable on a vtk object, using a widget like this one : StringListDomain, in the other hand, allow to select a single str…

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## [Reverse connection breaks at the server side for MPI\_ERR\_COUNT: invalid count argument](https://discourse.paraview.org/t/reverse-connection-breaks-at-the-server-side-for-mpi-err-count-invalid-count-argument/3570)

<div class="topic-metadata">

**Author:** [@XavierStuvw](https://discourse.paraview.org/u/XavierStuvw)\
**Replies:** 2\
**Last updated:** [February 18, 2020, 2:19pm UTC](https://discourse.paraview.org/t/reverse-connection-breaks-at-the-server-side-for-mpi-err-count-invalid-count-argument/3570 "2020-02-18T14:19:38Z")

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An active reverse client-server connection breaks with the following notification at the server side: … Client connected. ( 129.953s) \[pvserver.1 \] vtkMPICommunicator.cxx:71 WARN| MPI had an error MPI\_ERR\_CO…

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## [Pipeline browser doesn't do anything](https://discourse.paraview.org/t/pipeline-browser-doesnt-do-anything/10447)

<div class="topic-metadata">

**Author:** [@chrisvandijk](https://discourse.paraview.org/u/chrisvandijk)\
**Replies:** 1\
**Last updated:** [October 4, 2022, 11:59am UTC](https://discourse.paraview.org/t/pipeline-browser-doesnt-do-anything/10447 "2022-10-04T11:59:40Z")

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Hi all, I have been using ParaView to visualise the results of my Master’s Thesis for over half a year right now. This has always worked fine but for some reason my pipeline browser suddenly stopped working; I don’t kno…

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## [Import Velocity Streamlines](https://discourse.paraview.org/t/import-velocity-streamlines/4806)

<div class="topic-metadata">

**Author:** [@Lovis](https://discourse.paraview.org/u/Lovis)\
**Replies:** 0\
**Last updated:** [July 10, 2020, 12:40pm UTC](https://discourse.paraview.org/t/import-velocity-streamlines/4806 "2020-07-10T12:40:49Z")

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Hi everyone! I am working on a method to export my CFD results from Simcenter STAR-CCM+ into ParaView. I imported a \*.cgns file from STAR-CCM+ with the velocity field function. I was able to create slices to show the …

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## [x3d export problem: wrong number of nodes](https://discourse.paraview.org/t/x3d-export-problem-wrong-number-of-nodes/2929)

<div class="topic-metadata">

**Author:** [@matthieuvitse](https://discourse.paraview.org/u/matthieuvitse)\
**Replies:** 6\
**Last updated:** [November 7, 2019, 4:44pm UTC](https://discourse.paraview.org/t/x3d-export-problem-wrong-number-of-nodes/2929 "2019-11-07T16:44:26Z")

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Hi, I need to export my mesh from PV to use it in another software (Blender). The X3D file format seemed to be doing the job, however for the mesh I’m working on the number of nodes in the X3D file is different from the …

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## [cannot export to CGNS format](https://discourse.paraview.org/t/cannot-export-to-cgns-format/12261)

<div class="topic-metadata">

**Author:** [@Rigel](https://discourse.paraview.org/u/Rigel)\
**Replies:** 5\
**Last updated:** [June 12, 2023, 11:50am UTC](https://discourse.paraview.org/t/cannot-export-to-cgns-format/12261 "2023-06-12T11:50:59Z")

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Hi, I cannot export my dataset to CGNS format using ParaView 5.11.1 (default version downloaded from the website): Client Information: Version: 5.11.1 VTK Version: 9.2.20220823 Qt Version: 5.15.2 vtkIdType size: 6…

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## [install paraview 6 on ubuntu 24.04 with wayland](https://discourse.paraview.org/t/install-paraview-6-on-ubuntu-24-04-with-wayland/17179)

<div class="topic-metadata">

**Author:** [@cshl](https://discourse.paraview.org/u/cshl)\
**Replies:** 3\
**Last updated:** [September 11, 2025, 12:54pm UTC](https://discourse.paraview.org/t/install-paraview-6-on-ubuntu-24-04-with-wayland/17179 "2025-09-11T12:54:30Z")

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Hi, I am trying to install and use paraview 6 on a new Ubuntu 24.04 LTS. I am using ParaView-6.0.0-MPI-Linux-Python3.12-x86\_64. A window opens, but it is all black. I am using wayland. The terminal says: OSMesa not fou…

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