# Top

**URL:** https://discourse.paraview.org/top.md?page=8&period=all

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

**Page:** 9

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## [Package installer failed on MacOS Catalina](https://discourse.paraview.org/t/package-installer-failed-on-macos-catalina/2891)

<div class="topic-metadata">

**Author:** [@Johnny\_Seales](https://discourse.paraview.org/u/Johnny_Seales)\
**Replies:** 10\
**Last updated:** [July 9, 2020, 5:07pm UTC](https://discourse.paraview.org/t/package-installer-failed-on-macos-catalina/2891 "2020-07-09T17:07:02Z")

</div>

Here is the message: “ParaView-5.7.0-MPI-OSX10.12-Python2.7-64bit.pkg” can’t be opened because Apple cannot check it for malicious software.

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## [Paraview Lite change default representation](https://discourse.paraview.org/t/paraview-lite-change-default-representation/6354)

<div class="topic-metadata">

**Author:** [@Francesc\_Costa](https://discourse.paraview.org/u/Francesc_Costa)\
**Replies:** 25\
**Last updated:** [February 5, 2021, 3:43pm UTC](https://discourse.paraview.org/t/paraview-lite-change-default-representation/6354 "2021-02-05T15:43:00Z")

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Hi, How do I change default representation from ‘Surface’ to ‘Surface with Edges’ in Paraview Lite? I have changed the default in script.js in RepresentationToolbar folder like this: representation: { name: 'Represe…

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## [Paraview web inside docker container](https://discourse.paraview.org/t/paraview-web-inside-docker-container/8136)

<div class="topic-metadata">

**Author:** [@rasunag27](https://discourse.paraview.org/u/rasunag27)\
**Replies:** 9\
**Last updated:** [November 3, 2021, 2:29pm UTC](https://discourse.paraview.org/t/paraview-web-inside-docker-container/8136 "2021-11-03T14:29:06Z")

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Hi, I am trying to work on Paraview web inside docker container. For this, I dint use the default BASE\_IMAGE=kitware/paraviewweb:pv-v5.6.0-egl, but instead I have my own image in which Paraview web required files are l…

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## [How to build headless paraview in local?](https://discourse.paraview.org/t/how-to-build-headless-paraview-in-local/9248)

<div class="topic-metadata">

**Author:** [@Ying](https://discourse.paraview.org/u/Ying)\
**Replies:** 11\
**Last updated:** [April 23, 2024, 3:53pm UTC](https://discourse.paraview.org/t/how-to-build-headless-paraview-in-local/9248 "2024-04-23T15:53:59Z")

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Hi all, Now I use ubuntu 18.04 + openfoam 4.1 + paraview 5.0.1 (compile installation), and I can run the python script using pvpython XX.py, but the interactive window would appear during the running. So I want to use …

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## [Problem with offscreen rendering with 5.9](https://discourse.paraview.org/t/problem-with-offscreen-rendering-with-5-9/6310)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 9\
**Last updated:** [February 16, 2021, 1:05pm UTC](https://discourse.paraview.org/t/problem-with-offscreen-rendering-with-5-9/6310 "2021-02-16T13:05:11Z")

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Hi, I’m testing out the 5.9 installers on an HPC system (without graphics cards and therefore without X11) and I’m submitting a job to run pvbatch and am getting behavior that’s confusing me. I’ve been trying different …

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## [Installing ParaViewWeb](https://discourse.paraview.org/t/installing-paraviewweb/8410)

<div class="topic-metadata">

**Author:** [@Benjamin-Ousmane](https://discourse.paraview.org/u/Benjamin-Ousmane)\
**Replies:** 23\
**Last updated:** [April 6, 2022, 10:50am UTC](https://discourse.paraview.org/t/installing-paraviewweb/8410 "2022-04-06T10:50:28Z")

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Hi, I am trying to install ParaViewWeb (on Windows). Here is my issue : I tried to run the command in vscode terminal, windows shell and git bash. I also tried to look at my environment variables and install ParaVie…

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## [Using Fluent Files in Paraview](https://discourse.paraview.org/t/using-fluent-files-in-paraview/13714)

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**Author:** [@AeroK](https://discourse.paraview.org/u/AeroK)\
**Replies:** 13\
**Last updated:** [January 16, 2024, 11:03am UTC](https://discourse.paraview.org/t/using-fluent-files-in-paraview/13714 "2024-01-16T11:03:11Z")

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I have a case- data ANSYS-Fluent file and I would to use Para View for visualisation purposes. I would like to visualize streamwise vorticity distributions but I’m not sure how to go about it.

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## [showing vorticity with vtr file : paraview 5.7](https://discourse.paraview.org/t/showing-vorticity-with-vtr-file-paraview-5-7/3413)

<div class="topic-metadata">

**Author:** [@laurence](https://discourse.paraview.org/u/laurence)\
**Replies:** 15\
**Last updated:** [January 29, 2020, 10:46am UTC](https://discourse.paraview.org/t/showing-vorticity-with-vtr-file-paraview-5-7/3413 "2020-01-29T10:46:01Z")

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hello all, just to say I think there is a bug when showing vorticity with paraview 5.7 (https://www.paraview.org/paraview-downloads/download.php?submit=Download&version=v5.7&type=binary&os=Linux&downloadFile=ParaView-5.…

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## [Help on visualize large number of Point/Sphere with different colors for each point/sphere](https://discourse.paraview.org/t/help-on-visualize-large-number-of-point-sphere-with-different-colors-for-each-point-sphere/3214)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 10\
**Last updated:** [December 26, 2019, 11:59am UTC](https://discourse.paraview.org/t/help-on-visualize-large-number-of-point-sphere-with-different-colors-for-each-point-sphere/3214 "2019-12-26T11:59:21Z")

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Dear Experts, I have the requirement to visualize a large number of points/sphere with different color, Currently, i writing my own plugin and user multiBlockDataSet to store each sphere in polydata format, so i can c…

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## [\[Python\] Calculator formulae](https://discourse.paraview.org/t/python-calculator-formulae/7427)

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**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 24\
**Last updated:** [June 23, 2022, 1:45pm UTC](https://discourse.paraview.org/t/python-calculator-formulae/7427 "2022-06-23T13:45:43Z")

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In line with the recent improvements to the Programmable filters and python editor \[1\], we are thinking of improving the calculator and python calculator formulaes managements. One could think to rely on the python edit…

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## [pvserver security risk?](https://discourse.paraview.org/t/pvserver-security-risk/3582)

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**Author:** [@StRuoff](https://discourse.paraview.org/u/StRuoff)\
**Replies:** 16\
**Last updated:** [February 20, 2020, 2:02am UTC](https://discourse.paraview.org/t/pvserver-security-risk/3582 "2020-02-20T02:02:08Z")

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Hello All, we are using paraview (5.6.0) to visualize CFD data remotley. Our Pipeline is to start a pvserver on the remote machine and then connect to it via paraview. What we discovered recently (by accident) is the …

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## [Render animation has quadrant overlay in frame #1](https://discourse.paraview.org/t/render-animation-has-quadrant-overlay-in-frame-1/2681)

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**Author:** [@unpopularmechanics](https://discourse.paraview.org/u/unpopularmechanics)\
**Replies:** 12\
**Last updated:** [September 10, 2020, 2:08am UTC](https://discourse.paraview.org/t/render-animation-has-quadrant-overlay-in-frame-1/2681 "2020-09-10T02:08:15Z")

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I’ve been running into this strange bug when I export my animation at a resolution different from the default 1141x646 (mainly just want 1080p). The first frame will have this transparent overlay in the lower left quadra…

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## [Missing vectors (do not appear) in paraview view](https://discourse.paraview.org/t/missing-vectors-do-not-appear-in-paraview-view/3101)

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**Author:** [@nayla\_salvador](https://discourse.paraview.org/u/nayla_salvador)\
**Replies:** 9\
**Last updated:** [December 6, 2019, 12:16pm UTC](https://discourse.paraview.org/t/missing-vectors-do-not-appear-in-paraview-view/3101 "2019-12-06T12:16:20Z")

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605/5000 Hello everyone, I am having difficulty understanding paraview. I have a structured mesh which has a velocity field of a reservoir. In the central region of the reservoir, we have about 30 cells in the Y direc…

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## [Help to convert the cartesian grid/domain to cylindrical grid/domain](https://discourse.paraview.org/t/help-to-convert-the-cartesian-grid-domain-to-cylindrical-grid-domain/6086)

<div class="topic-metadata">

**Author:** [@proxy](https://discourse.paraview.org/u/proxy)\
**Replies:** 14\
**Last updated:** [December 21, 2020, 2:16pm UTC](https://discourse.paraview.org/t/help-to-convert-the-cartesian-grid-domain-to-cylindrical-grid-domain/6086 "2020-12-21T14:16:16Z")

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Hello All, Is there any easy way to convert the Cartesian grid/domain to cylindrical grid/domain. I have created a Cartesian grid/domain for my simulation, to understand, analyze and compare the flow/data I want to conv…

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## [Just starting out](https://discourse.paraview.org/t/just-starting-out/4038)

<div class="topic-metadata">

**Author:** [@Brownwrap](https://discourse.paraview.org/u/Brownwrap)\
**Replies:** 9\
**Last updated:** [April 14, 2020, 6:42pm UTC](https://discourse.paraview.org/t/just-starting-out/4038 "2020-04-14T18:42:32Z")

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I am able to install Paraview on my Windows laptop and start it. I have been asked to install it on Linux. I have downloaded the source and built it to no avail. I have download the pre-compiled code with the Mesa libra…

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## [Calculation of surface tangents error](https://discourse.paraview.org/t/calculation-of-surface-tangents-error/9052)

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**Author:** [@GKk](https://discourse.paraview.org/u/GKk)\
**Replies:** 16\
**Last updated:** [February 25, 2022, 9:19am UTC](https://discourse.paraview.org/t/calculation-of-surface-tangents-error/9052 "2022-02-25T09:19:36Z")

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Hello, I want to apply the filter “Generate Surface Tangents” on a surface and I get the following error (attached picture) The filter “Generate Surface Nomrlas” works fine. What I have to do for “Generate Surface Ta…

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## [pvpython script to convert binary Legacy VTK file to some compressed version to reduce file size](https://discourse.paraview.org/t/pvpython-script-to-convert-binary-legacy-vtk-file-to-some-compressed-version-to-reduce-file-size/3595)

<div class="topic-metadata">

**Author:** [@vrkssai](https://discourse.paraview.org/u/vrkssai)\
**Replies:** 9\
**Last updated:** [April 27, 2020, 2:28am UTC](https://discourse.paraview.org/t/pvpython-script-to-convert-binary-legacy-vtk-file-to-some-compressed-version-to-reduce-file-size/3595 "2020-04-27T02:28:11Z")

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I’m looking for a simple script options like: from paraview.simple import \* r = LegacyVTKReader( FileNames=\['Yourfilename.vtk'\] ) SaveData('Yourfilename\_binary.vtk', proxy=r) used from: https://stackoverflow.com/a/5820…

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## [problem in "self"](https://discourse.paraview.org/t/problem-in-self/2367)

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**Author:** [@ikram](https://discourse.paraview.org/u/ikram)\
**Replies:** 15\
**Last updated:** [August 6, 2019, 7:53pm UTC](https://discourse.paraview.org/t/problem-in-self/2367 "2019-08-06T19:53:30Z")

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hi how can i fix this problem File “”, line 1, in NameError: name ‘self’ is not defined

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## [How to implement right-click context menu in paraview plugin way](https://discourse.paraview.org/t/how-to-implement-right-click-context-menu-in-paraview-plugin-way/1880)

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**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 18\
**Last updated:** [January 30, 2021, 3:06am UTC](https://discourse.paraview.org/t/how-to-implement-right-click-context-menu-in-paraview-plugin-way/1880 "2021-01-30T03:06:11Z")

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Dear Experts, I want to implement my own right-click context menu and hide paraview default one in paraview plugin way. I read some paraview source code, I found I can create similar class like pqPipelineContextMenuBe…

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## [ParaView 5.6.1 on SLES 11 - Possible?](https://discourse.paraview.org/t/paraview-5-6-1-on-sles-11-possible/2164)

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**Author:** [@Flinkas](https://discourse.paraview.org/u/Flinkas)\
**Replies:** 9\
**Last updated:** [July 22, 2019, 1:28pm UTC](https://discourse.paraview.org/t/paraview-5-6-1-on-sles-11-possible/2164 "2019-07-22T13:28:56Z")

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Hi all, I have a SLES 11 machine and was requested to “install” ParaView 5.6.1 on it. The binary version is not running giving me: /lib/paraview: error while loading shared libraries: libOpenGL.so.0: cannot open shared…

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## [ParaView now available as Flatpak and distributed in Flathub](https://discourse.paraview.org/t/paraview-now-available-as-flatpak-and-distributed-in-flathub/6937)

<div class="topic-metadata">

**Author:** [@Andythe\_great](https://discourse.paraview.org/u/Andythe_great)\
**Replies:** 13\
**Last updated:** [May 3, 2021, 7:19am UTC](https://discourse.paraview.org/t/paraview-now-available-as-flatpak-and-distributed-in-flathub/6937 "2021-05-03T07:19:57Z")

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Hi, I packaged ParaView as Flatpak and added it to Flathub. If anyone is interested, ParaView can be installed in Flathub now. Something to note. I did not bundled any examples or documentation. I managed to bundle exa…

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## [Plotting 2D contours using .txt or .dat file](https://discourse.paraview.org/t/plotting-2d-contours-using-txt-or-dat-file/9068)

<div class="topic-metadata">

**Author:** [@Anwesha\_Varma](https://discourse.paraview.org/u/Anwesha_Varma)\
**Replies:** 9\
**Last updated:** [February 28, 2022, 7:39am UTC](https://discourse.paraview.org/t/plotting-2d-contours-using-txt-or-dat-file/9068 "2022-02-28T07:39:55Z")

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I have a sample file having 3 columns named “Distance”, “U\_COMP” and “U\_Exact”. I want to plot a 2D contour plot using this .txt file. Let us consider Distance as “X”, U\_COMP as “Y” and U\_exact as “Z”. Other answers for…

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## [Filters Renaming and Categories Update](https://discourse.paraview.org/t/filters-renaming-and-categories-update/13870)

<div class="topic-metadata">

**Author:** [@nicolas.vuaille](https://discourse.paraview.org/u/nicolas.vuaille)\
**Replies:** 22\
**Last updated:** [April 19, 2024, 1:45pm UTC](https://discourse.paraview.org/t/filters-renaming-and-categories-update/13870 "2024-04-19T13:45:38Z")

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Goal Make it easier to discover the filters and to choose the correct one in the GUI and in python. Thus the following is about the proxy labels, not names, even if we may use the term “name” for simplicity. Constraint…

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## [Numpad keys not working with 5.9.0 RC1](https://discourse.paraview.org/t/numpad-keys-not-working-with-5-9-0-rc1/5967)

<div class="topic-metadata">

**Author:** [@Lukasz](https://discourse.paraview.org/u/Lukasz)\
**Replies:** 16\
**Last updated:** [March 4, 2021, 3:18pm UTC](https://discourse.paraview.org/t/numpad-keys-not-working-with-5-9-0-rc1/5967 "2021-03-04T15:18:15Z")

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Since no one else complains about it, this might be system specific. I am unable to type in numbers from the numeric keyboard in 5.9.0 RC1. I can imagine that this is related to the new Qt that comes with Paraview (I am …

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## [Slow Programmable Filter](https://discourse.paraview.org/t/slow-programmable-filter/3848)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 15\
**Last updated:** [October 31, 2020, 3:52pm UTC](https://discourse.paraview.org/t/slow-programmable-filter/3848 "2020-10-31T15:52:52Z")

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I’ve created a programmable filter to do some analysis, but it’s running more slowly than I expected. Does anyone have ideas for how to improve the filter? It’s running over ~65k cells. I’d also love it to be parallel, b…

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## [BUG RectilinearGrid pvtr data with ghost cells not displayed correctly](https://discourse.paraview.org/t/bug-rectilineargrid-pvtr-data-with-ghost-cells-not-displayed-correctly/1566)

<div class="topic-metadata">

**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 10\
**Last updated:** [May 16, 2020, 12:04pm UTC](https://discourse.paraview.org/t/bug-rectilineargrid-pvtr-data-with-ghost-cells-not-displayed-correctly/1566 "2020-05-16T12:04:13Z")

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I am passing data on a rectilinear grid to Catalyst for in-situ visualization. I set up the grid in the function createcpdata\_ in the attached file FECxx.cxx (4.2 KB) I have the python-coprocessor script currently outp…

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## [Parallel and Material](https://discourse.paraview.org/t/parallel-and-material/3094)

<div class="topic-metadata">

**Author:** [@gilcu2](https://discourse.paraview.org/u/gilcu2)\
**Replies:** 9\
**Last updated:** [December 14, 2019, 7:50am UTC](https://discourse.paraview.org/t/parallel-and-material/3094 "2019-12-14T07:50:02Z")

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I have created a pvtp file with references to several vtp files to process in parallel. I want to set a different material to each model from a different vtp file but when load from the pvtp I can only select a material…

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## [What should happen when paraview runs out of memory?](https://discourse.paraview.org/t/what-should-happen-when-paraview-runs-out-of-memory/6898)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 11\
**Last updated:** [April 9, 2021, 4:01pm UTC](https://discourse.paraview.org/t/what-should-happen-when-paraview-runs-out-of-memory/6898 "2021-04-09T16:01:16Z")

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It seems to me that when I load a data set which exceeds the available memory, paraview will hard crash. Is that expected?

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## [How do I make a illustration of particles in a tube?](https://discourse.paraview.org/t/how-do-i-make-a-illustration-of-particles-in-a-tube/3586)

<div class="topic-metadata">

**Author:** [@Cal](https://discourse.paraview.org/u/Cal)\
**Replies:** 14\
**Last updated:** [February 28, 2020, 2:04am UTC](https://discourse.paraview.org/t/how-do-i-make-a-illustration-of-particles-in-a-tube/3586 "2020-02-28T02:04:20Z")

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Hi all, I am currently working on a code in openFOAM which simulates a spray through a cylindrical tube. I have successfully imported the data into paraview but am having trouble creating the types of images and graphs …

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## [find coordinates of holes inside a polygon](https://discourse.paraview.org/t/find-coordinates-of-holes-inside-a-polygon/1243)

<div class="topic-metadata">

**Author:** [@fabio.romani](https://discourse.paraview.org/u/fabio.romani)\
**Replies:** 10\
**Last updated:** [February 18, 2019, 4:47pm UTC](https://discourse.paraview.org/t/find-coordinates-of-holes-inside-a-polygon/1243 "2019-02-18T16:47:34Z")

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Hi, I have a polygon shape filled up with holes. I need to locate and collect the holes for further processing. Is there an easy way using python shell/script/filters to find those holes? Thanks Fabio

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## [Unstructured grid with different type of elements (triangle and lines)](https://discourse.paraview.org/t/unstructured-grid-with-different-type-of-elements-triangle-and-lines/7918)

<div class="topic-metadata">

**Author:** [@Sagues](https://discourse.paraview.org/u/Sagues)\
**Replies:** 16\
**Last updated:** [September 3, 2021, 6:48pm UTC](https://discourse.paraview.org/t/unstructured-grid-with-different-type-of-elements-triangle-and-lines/7918 "2021-09-03T18:48:43Z")

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I have a unstructured grid with different type of elements (triangles and lines), how can show only triangles or lines.

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## [Segmentation fault with Paraview 5.11](https://discourse.paraview.org/t/segmentation-fault-with-paraview-5-11/13980)

<div class="topic-metadata">

**Author:** [@RemDelaporteMathurin](https://discourse.paraview.org/u/RemDelaporteMathurin)\
**Replies:** 13\
**Last updated:** [February 23, 2024, 1:23pm UTC](https://discourse.paraview.org/t/segmentation-fault-with-paraview-5-11/13980 "2024-02-23T13:23:19Z")

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Hi all, I recently started having issues with running paraview in WSL. I tried reinstalling WSL, reinstalling paraview but I still have this segmentation error when running a script. I would like to note that everythi…

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## [Exporting to x3d](https://discourse.paraview.org/t/exporting-to-x3d/3491)

<div class="topic-metadata">

**Author:** [@Svettekenny](https://discourse.paraview.org/u/Svettekenny)\
**Replies:** 10\
**Last updated:** [November 9, 2021, 7:31pm UTC](https://discourse.paraview.org/t/exporting-to-x3d/3491 "2021-11-09T19:31:06Z")

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Hi guys. I have a little problem when I try to export a file to .x3d. The error I get when I try to export is: ERROR: In C:\\bbd\\ecd3383f\\build\\superbuild\\paraview\\src\\VTK\\IO\\Export\\vtkX3DExporter.cxx, line 149 vtkPVX3…

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## [Adding a reader plugin via VisIt Bridge](https://discourse.paraview.org/t/adding-a-reader-plugin-via-visit-bridge/2177)

<div class="topic-metadata">

**Author:** [@bfovet](https://discourse.paraview.org/u/bfovet)\
**Replies:** 14\
**Last updated:** [September 17, 2021, 1:31pm UTC](https://discourse.paraview.org/t/adding-a-reader-plugin-via-visit-bridge/2177 "2021-09-17T13:31:17Z")

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Hello, I’ve got a VisIt database plugin that i’d like to add to Paraview (which I built from source with PARAVIEW\_USE\_VISITBRIDGE=ON and Boost\_INCLUDE\_DIR is set). In my plugin directory, I created a CMakeLists.txt sim…

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## [How do I obtain contour lines in a sequence.](https://discourse.paraview.org/t/how-do-i-obtain-contour-lines-in-a-sequence/8530)

<div class="topic-metadata">

**Author:** [@ksugahar](https://discourse.paraview.org/u/ksugahar)\
**Replies:** 12\
**Last updated:** [December 3, 2021, 9:14pm UTC](https://discourse.paraview.org/t/how-do-i-obtain-contour-lines-in-a-sequence/8530 "2021-12-03T21:14:14Z")

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I have plotted contour lines on a surface. I can see smooth lines on paraview but once I export it to file, all the contour lines are not sequential (independent points). How can I export as closed lines in a sequence…

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## [VR plugin with Oculus Quest 2](https://discourse.paraview.org/t/vr-plugin-with-oculus-quest-2/8846)

<div class="topic-metadata">

**Author:** [@mhowell](https://discourse.paraview.org/u/mhowell)\
**Replies:** 11\
**Last updated:** [January 27, 2022, 11:38pm UTC](https://discourse.paraview.org/t/vr-plugin-with-oculus-quest-2/8846 "2022-01-27T23:38:13Z")

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Hi, I’m using the Oculus Quest 2 with Paraview (V5.10.1) and when I enable the openVR plugin and send the view to the headset I’m presented with a blank, black space within the headset. The VR view from Paraview does sh…

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## [Steps to calculate the Euler characteristics and Betti number](https://discourse.paraview.org/t/steps-to-calculate-the-euler-characteristics-and-betti-number/11777)

<div class="topic-metadata">

**Author:** [@kokebdese](https://discourse.paraview.org/u/kokebdese)\
**Replies:** 36\
**Last updated:** [September 6, 2024, 7:26am UTC](https://discourse.paraview.org/t/steps-to-calculate-the-euler-characteristics-and-betti-number/11777 "2024-09-06T07:26:05Z")

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Hi all, Any one who help me to calculate the Euler characteristics and Betti number of a 3D object using TTK on ParaView? Thanks

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## [Paraview started showing surface roughness, not sure how it happened or what metric is being used](https://discourse.paraview.org/t/paraview-started-showing-surface-roughness-not-sure-how-it-happened-or-what-metric-is-being-used/9175)

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**Author:** [@ZhangxiFeng](https://discourse.paraview.org/u/ZhangxiFeng)\
**Replies:** 19\
**Last updated:** [March 14, 2022, 5:24pm UTC](https://discourse.paraview.org/t/paraview-started-showing-surface-roughness-not-sure-how-it-happened-or-what-metric-is-being-used/9175 "2022-03-14T17:24:34Z")

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This has never happened before in my many years of using Paraview, but suddenly when I launch the program and opened a VTK file, it showed a model with surface roughness. I checked the initial state of the model and Para…

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## [implementation of dynamic point source](https://discourse.paraview.org/t/implementation-of-dynamic-point-source/214)

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**Author:** [@turuncu](https://discourse.paraview.org/u/turuncu)\
**Replies:** 9\
**Last updated:** [June 21, 2018, 11:46am UTC](https://discourse.paraview.org/t/implementation-of-dynamic-point-source/214 "2018-06-21T11:46:32Z")

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Hi, I would like to create dynamic point source to feed “Stream Tracer with Custom Source” filter. In my case, a centroid of a shape is calculated by “IntegrateVariables” filter and I would like to use this point to def…

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## [Displacement of mesh operator in ParaView](https://discourse.paraview.org/t/displacement-of-mesh-operator-in-paraview/11590)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 16\
**Last updated:** [March 8, 2023, 7:19pm UTC](https://discourse.paraview.org/t/displacement-of-mesh-operator-in-paraview/11590 "2023-03-08T19:19:58Z")

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While going through the visualization manual of a software, I encountered the following documentation for visualizing in Visit. Is there anything equivalent in ParaView? Also related is perhaps this: 4.3.8. Displace …

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## [Refactoring MultiBlock Inspector](https://discourse.paraview.org/t/refactoring-multiblock-inspector/12670)

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**Author:** [@spyridon97](https://discourse.paraview.org/u/spyridon97)\
**Replies:** 30\
**Last updated:** [August 2, 2024, 2:17pm UTC](https://discourse.paraview.org/t/refactoring-multiblock-inspector/12670 "2024-08-02T14:17:57Z")

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When working with vtkPartitionedDataSetCollections or vtkMultiBlockDataSets , the MultiBlock Inspector proves to be an invaluable tool. This widget empowers you to effortlessly toggle the visibility of distinct blocks wi…

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## [AMReX output contour plot](https://discourse.paraview.org/t/amrex-output-contour-plot/4723)

<div class="topic-metadata">

**Author:** [@henry2004y](https://discourse.paraview.org/u/henry2004y)\
**Replies:** 17\
**Last updated:** [April 1, 2021, 5:28pm UTC](https://discourse.paraview.org/t/amrex-output-contour-plot/4723 "2021-04-01T17:28:42Z")

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Hi, I have a question using the AMReX type output in ParaView. This format has meta data and real data stored in multiple files. The slices works well, but not the contour filter. For example, if I use one variable Bz=…

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## [Obtain information if proxy is visible](https://discourse.paraview.org/t/obtain-information-if-proxy-is-visible/2346)

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**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 10\
**Last updated:** [August 18, 2021, 10:31am UTC](https://discourse.paraview.org/t/obtain-information-if-proxy-is-visible/2346 "2021-08-18T10:31:59Z")

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Can anyone tell me how I can have my paraview batch script find out if an object is visible or not? Here is a small example: from paraview.simple import \* paraview.simple.\_DisableFirstRenderCameraReset() renderView1 =…

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## [Error when exporting vtkjs with paraviewGlance html](https://discourse.paraview.org/t/error-when-exporting-vtkjs-with-paraviewglance-html/4309)

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**Author:** [@af11g11](https://discourse.paraview.org/u/af11g11)\
**Replies:** 17\
**Last updated:** [March 16, 2022, 11:32pm UTC](https://discourse.paraview.org/t/error-when-exporting-vtkjs-with-paraviewglance-html/4309 "2022-03-16T23:32:45Z")

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Hi, When exporting a scene from ParaView for use with ParaView Glance I seem to be running into trouble. My workflow is: exportScene \> “name”.vtkjs \> click cog and select paraviewGlance HTML (save textures had both on &…

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## [Error on use calculator](https://discourse.paraview.org/t/error-on-use-calculator/9825)

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**Author:** [@DanielS\_13](https://discourse.paraview.org/u/DanielS_13)\
**Replies:** 14\
**Last updated:** [February 18, 2023, 5:59pm UTC](https://discourse.paraview.org/t/error-on-use-calculator/9825 "2023-02-18T17:59:18Z")

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Hi, I’m new using ParaView so I don’t really know how to describe the error I got. But basically I’m trying to use the ParaView calculator and I’m getting the following error: ERROR: In C:\\glr\\builds\\paraview\\paraview-…

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## [Memory Leak in Programmable Source](https://discourse.paraview.org/t/memory-leak-in-programmable-source/204)

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**Author:** [@jslawitsky](https://discourse.paraview.org/u/jslawitsky)\
**Replies:** 10\
**Last updated:** [August 27, 2018, 12:19pm UTC](https://discourse.paraview.org/t/memory-leak-in-programmable-source/204 "2018-08-27T12:19:10Z")

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Hello, I’m looking to read binary data based on example 13.2.4 in the paraview guide, but I seem to be running into a memory leak with the code I’ve adapted below. When I activate my virtualenv and run the script using …

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## [Unable to change filter timestep in python/pvbatch](https://discourse.paraview.org/t/unable-to-change-filter-timestep-in-python-pvbatch/5725)

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**Author:** [@lhcamilo](https://discourse.paraview.org/u/lhcamilo)\
**Replies:** 11\
**Last updated:** [September 11, 2023, 8:26pm UTC](https://discourse.paraview.org/t/unable-to-change-filter-timestep-in-python-pvbatch/5725 "2023-09-11T20:26:37Z")

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I have been trying to write a batch script in python/pvbatch that would probe a location from an openfoam case. Read its velocity and pressure data Save the data onto a numpy array loop over all time steps of the case …

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## [ERROR: Glyph filter input array index not specified](https://discourse.paraview.org/t/error-glyph-filter-input-array-index-not-specified/12018)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 34\
**Last updated:** [May 31, 2023, 1:31pm UTC](https://discourse.paraview.org/t/error-glyph-filter-input-array-index-not-specified/12018 "2023-05-31T13:31:05Z")

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I am trying to combine Calculator Filter with Glyph Filter but I think there is an issue with how both filters are linking. I can’t find the “Result” array of calculator in Orientation or Scale array of Glyph and I get t…

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## [Clip and Slice fines mesh](https://discourse.paraview.org/t/clip-and-slice-fines-mesh/2792)

<div class="topic-metadata">

**Author:** [@Vaya\_Putra](https://discourse.paraview.org/u/Vaya_Putra)\
**Replies:** 9\
**Last updated:** [October 18, 2019, 1:17am UTC](https://discourse.paraview.org/t/clip-and-slice-fines-mesh/2792 "2019-10-18T01:17:32Z")

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Hi all i have fine mesh 100x100x3, then i want to clip become small mesh 12x16x3 or 576 cells, but what i have 12.3x16x3 and consist 624 cells i cant exactly clip in the corner of cells any one help me12x16x3.vtu (68.3 …

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## [Paraview-5.8.1 not working on MacOSX BigSur](https://discourse.paraview.org/t/paraview-5-8-1-not-working-on-macosx-bigsur/6621)

<div class="topic-metadata">

**Author:** [@fluid\_mechanic](https://discourse.paraview.org/u/fluid_mechanic)\
**Replies:** 17\
**Last updated:** [March 2, 2022, 11:40pm UTC](https://discourse.paraview.org/t/paraview-5-8-1-not-working-on-macosx-bigsur/6621 "2022-03-02T23:40:43Z")

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Hello All: I am unable to run ParaView-5.8.1 (downloaded from https://www.paraview.org/download/) on my MacBookPro which is running the BigSur OS. Symptom: when I launch the application, the “wheel of death” keeps spinni…

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