# Top

**URL:** https://discourse.paraview.org/top.md?page=98&period=all

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**Page:** 99

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## [Writing fluent simulation results in Paraview format](https://discourse.paraview.org/t/writing-fluent-simulation-results-in-paraview-format/16360)

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**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 6\
**Last updated:** [March 27, 2025, 12:55pm UTC](https://discourse.paraview.org/t/writing-fluent-simulation-results-in-paraview-format/16360 "2025-03-27T12:55:11Z")

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Hi. I want to write the entire fluent simulation results into paraview format directly (instead of .dat files that fluent originally writes in) while the simulation is running in fluent. Is it possible to do that? Curre…

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## [Glyph Vector and Streamline Plot](https://discourse.paraview.org/t/glyph-vector-and-streamline-plot/14494)

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**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 5\
**Last updated:** [April 26, 2024, 11:50am UTC](https://discourse.paraview.org/t/glyph-vector-and-streamline-plot/14494 "2024-04-26T11:50:35Z")

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I am using Paraview 5.10 but when I am trying to use glyph, I am not able to control the size of the arrowheads of the vectors. THere is no option for that to increase/decrease the size. What should I do? And how to gi…

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## [Position a 3D object at a fixed location on the screen/view](https://discourse.paraview.org/t/position-a-3d-object-at-a-fixed-location-on-the-screen-view/3357)

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**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 0\
**Last updated:** [January 16, 2020, 10:39pm UTC](https://discourse.paraview.org/t/position-a-3d-object-at-a-fixed-location-on-the-screen-view/3357 "2020-01-16T22:39:07Z")

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Hey again everyone, I’ve recently been making a sci-vis video, which has resulted in several questions for how I might be able to improve the video. So my question for today is how to put a 3D object in a fixed locatio…

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## [Problem with volume calculation](https://discourse.paraview.org/t/problem-with-volume-calculation/8318)

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**Author:** [@benediktB](https://discourse.paraview.org/u/benediktB)\
**Replies:** 1\
**Last updated:** [January 26, 2022, 11:05am UTC](https://discourse.paraview.org/t/problem-with-volume-calculation/8318 "2022-01-26T11:05:13Z")

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Dear community, I simulate bubble collapses. With a pvbatch-script I want to calculate the volume of the bubble. I use the precompiled version ParaView-5.10.0-RC1-osmesa-MPI-Linux-Python3.9-x86\_64 The following funct…

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## [nemesis rebooted](https://discourse.paraview.org/t/nemesis-rebooted/444)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 1\
**Last updated:** [May 13, 2020, 5:43pm UTC](https://discourse.paraview.org/t/nemesis-rebooted/444 "2020-05-13T17:43:34Z")

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nemesis was failing to update git submodules. @shawn.waldon reported that nemesis was in a funny state, so he rebooted it. I have restarted most of the builds that failed, but may have missed a couple.

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## [Split mesh and field data in a pvtu file](https://discourse.paraview.org/t/split-mesh-and-field-data-in-a-pvtu-file/2950)

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**Author:** [@ssss](https://discourse.paraview.org/u/ssss)\
**Replies:** 1\
**Last updated:** [November 12, 2019, 9:42am UTC](https://discourse.paraview.org/t/split-mesh-and-field-data-in-a-pvtu-file/2950 "2019-11-12T09:42:00Z")

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Hi everyone! I am currently working in the development of a CFD code which outputs pvtu files with cell mesh and field data. However, every of this pvtu/vtu files holds the complete mesh and field data. As in most of th…

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## [2D/3D rectilinear programmable source examples](https://discourse.paraview.org/t/2d-3d-rectilinear-programmable-source-examples/2652)

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**Author:** [@greenwade](https://discourse.paraview.org/u/greenwade)\
**Replies:** 1\
**Last updated:** [September 30, 2019, 5:56am UTC](https://discourse.paraview.org/t/2d-3d-rectilinear-programmable-source-examples/2652 "2019-09-30T05:56:25Z")

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Looking for a couple examples for creating 2d & 3d rectilinear data, such as z=f(x,y) and w=f(x,y,z). The only one I’ve found (helix, double helix) doesn’t help. I need to create a dense 2d & 3d rectilinear grid rather t…

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## ["nullptr" is undefined](https://discourse.paraview.org/t/nullptr-is-undefined/1821)

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**Author:** [@uturuncoglu](https://discourse.paraview.org/u/uturuncoglu)\
**Replies:** 1\
**Last updated:** [May 10, 2019, 5:53pm UTC](https://discourse.paraview.org/t/nullptr-is-undefined/1821 "2019-05-10T17:53:07Z")

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I am trying to upgrade ParaView version of my co-processing code from 5.4.1 to 5.6.0. 5.4.1 is fine and compiles without any problem but when i try to use ParaView 5.6.0, i am getting following error error: identifier “…

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## [Issue with programmable filter in ParaView 5.9](https://discourse.paraview.org/t/issue-with-programmable-filter-in-paraview-5-9/6249)

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**Author:** [@ebreard](https://discourse.paraview.org/u/ebreard)\
**Replies:** 2\
**Last updated:** [January 20, 2021, 11:27pm UTC](https://discourse.paraview.org/t/issue-with-programmable-filter-in-paraview-5-9/6249 "2021-01-20T23:27:05Z")

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Hi, I was running in ParaView 5.9 RC2 this programmable filter which calculates averages of all cells along a given axis, within a defined domain.This works in ParaView 5.5, but not in 5.9: error 1 : xrange is not def…

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## [Lensing of black holes / custom ray-tracing with ParaView](https://discourse.paraview.org/t/lensing-of-black-holes-custom-ray-tracing-with-paraview/3732)

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**Author:** [@nilsleiffischer](https://discourse.paraview.org/u/nilsleiffischer)\
**Replies:** 2\
**Last updated:** [March 3, 2020, 11:12pm UTC](https://discourse.paraview.org/t/lensing-of-black-holes-custom-ray-tracing-with-paraview/3732 "2020-03-03T23:12:47Z")

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I am looking for ways to create a lensing effect similar to the black hole in the Interstellar movie in ParaView. Here‘s another example where scientists at NASA have used a ray-tracing code to create this effect: https:…

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## [Import solidworks simulation results](https://discourse.paraview.org/t/import-solidworks-simulation-results/14556)

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**Author:** [@ribado09](https://discourse.paraview.org/u/ribado09)\
**Replies:** 3\
**Last updated:** [May 7, 2024, 7:41am UTC](https://discourse.paraview.org/t/import-solidworks-simulation-results/14556 "2024-05-07T07:41:07Z")

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Hi, is it possible to import simulation results from SolidWorks into Paraview? I have files with multiple extensions such as .BDF/.CWR/.PC4/.P40/.PCF./NP3/etc. which were generated during my simulation, however, after tr…

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## [polar amplitude plot](https://discourse.paraview.org/t/polar-amplitude-plot/8391)

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**Author:** [@gary719](https://discourse.paraview.org/u/gary719)\
**Replies:** 3\
**Last updated:** [November 16, 2021, 7:57am UTC](https://discourse.paraview.org/t/polar-amplitude-plot/8391 "2021-11-16T07:57:50Z")

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I have been using paraview to view wave fronts generated by an Elmerfem Helmholtz solver. I really need a polar plot that shows intensity (sound pressure etc.) vs angle. This is a common plot used in both acoustics and …

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## [OptiX progressive passes and server render support](https://discourse.paraview.org/t/optix-progressive-passes-and-server-render-support/2535)

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**Author:** [@vnpavanelli](https://discourse.paraview.org/u/vnpavanelli)\
**Replies:** 1\
**Last updated:** [September 10, 2019, 9:17pm UTC](https://discourse.paraview.org/t/optix-progressive-passes-and-server-render-support/2535 "2019-09-10T21:17:05Z")

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Dear Community, I’m using the RC3 and RC3-384 and can’t create a good quality screenshot with progressive passes. It always save the first pass to the screenshot (even with --enable-streaming). For now I’m increasing th…

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## [Quick count of weighted number of points inside grid cells](https://discourse.paraview.org/t/quick-count-of-weighted-number-of-points-inside-grid-cells/8187)

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**Author:** [@Fotos\_Stylianou](https://discourse.paraview.org/u/Fotos_Stylianou)\
**Replies:** 2\
**Last updated:** [October 27, 2021, 4:58pm UTC](https://discourse.paraview.org/t/quick-count-of-weighted-number-of-points-inside-grid-cells/8187 "2021-10-27T16:58:47Z")

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Hi All, I have a set of random points in 3D space and each one of them has a variable which describes its importance. I use the FastUniformGrid and Transform filter to generate a bounding grid for the points as belo…

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## [VTKPythonAlgorithmBase with two outputs ports and time dependent data](https://discourse.paraview.org/t/vtkpythonalgorithmbase-with-two-outputs-ports-and-time-dependent-data/7300)

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**Author:** [@Felipe\_Bordeu](https://discourse.paraview.org/u/Felipe_Bordeu)\
**Replies:** 2\
**Last updated:** [May 26, 2021, 2:41pm UTC](https://discourse.paraview.org/t/vtkpythonalgorithmbase-with-two-outputs-ports-and-time-dependent-data/7300 "2021-05-26T14:41:27Z")

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Hello, I have a user with a python plugin (VTKPythonAlgorithmBase as the base class) with two outputs : class OnlineRomReader(VTKPythonAlgorithmBase): def init(self): VTKPythonAlgorithmBase.init(self, nInputPorts=0, …

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## [probe at locations](https://discourse.paraview.org/t/probe-at-locations/6327)

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**Author:** [@dvdbremt](https://discourse.paraview.org/u/dvdbremt)\
**Replies:** 2\
**Last updated:** [January 28, 2021, 5:18pm UTC](https://discourse.paraview.org/t/probe-at-locations/6327 "2021-01-28T17:18:56Z")

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Hi everyone, I’m new at CFD analysis. And I would like to export values (wind velocity) that are the result of a urban wind simulation. I would like to probe my model at specific locations, and to do so I have a list o…

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## [ParaView 5.9RC2 OSPRay pathtracer](https://discourse.paraview.org/t/paraview-5-9rc2-ospray-pathtracer/6094)

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**Author:** [@insley](https://discourse.paraview.org/u/insley)\
**Replies:** 2\
**Last updated:** [December 18, 2020, 5:21pm UTC](https://discourse.paraview.org/t/paraview-5-9rc2-ospray-pathtracer/6094 "2020-12-18T17:21:23Z")

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In PV 5.9RC2 with OSPRay pathtracer turned on, and Background mode set to Environment, if you set Path Traced Environment to Gradient it renders a sphere at the Environment North and Environment East locations. Is there…

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## [Stress direction in saved data (.csv)](https://discourse.paraview.org/t/stress-direction-in-saved-data-csv/11245)

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**Author:** [@sandyITS](https://discourse.paraview.org/u/sandyITS)\
**Replies:** 5\
**Last updated:** [January 24, 2023, 3:26pm UTC](https://discourse.paraview.org/t/stress-direction-in-saved-data-csv/11245 "2023-01-24T15:26:07Z")

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Hi everyone… I’ve extract or SaveData to csv. In the csv file, there are 9 stress types (Stress0 to Stress8 and StressMagnitude). Could anyone please help me, where can I find the explanation of these stresses especiall…

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## [Paraview Client/server connection - not responding](https://discourse.paraview.org/t/paraview-client-server-connection-not-responding/11729)

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**Author:** [@afreitas](https://discourse.paraview.org/u/afreitas)\
**Replies:** 6\
**Last updated:** [April 11, 2023, 9:32am UTC](https://discourse.paraview.org/t/paraview-client-server-connection-not-responding/11729 "2023-04-11T09:32:02Z")

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Hi, I am remotely connected to a cluster to use Paraview in my local pc with access to the cluster contents. The connection works and I get ‘Client connected’ in the cluster. And yesterday everything was fine and I coul…

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## [glTF camera](https://discourse.paraview.org/t/gltf-camera/7390)

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**Author:** [@frank\_forster](https://discourse.paraview.org/u/frank_forster)\
**Replies:** 4\
**Last updated:** [June 11, 2021, 12:13pm UTC](https://discourse.paraview.org/t/gltf-camera/7390 "2021-06-11T12:13:04Z")

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Hello, I export this scene in glTF with Paraview but when I open it in a glTF viewer I can’t rotate to see the intersting part. (I want to stick with online glTF online viewer because it’s move convenient to share) Is …

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## [Lagrangian Particle Filter](https://discourse.paraview.org/t/lagrangian-particle-filter/10798)

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**Author:** [@vrkssai](https://discourse.paraview.org/u/vrkssai)\
**Replies:** 1\
**Last updated:** [November 18, 2022, 1:13pm UTC](https://discourse.paraview.org/t/lagrangian-particle-filter/10798 "2022-11-18T13:13:59Z")

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Hi I’m using the vtkLagrangianParticleTracking plugin on paraview and was wondering if I could find more information on the plugin. I would like to more about the equations/physics behind the implementation and correspo…

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## [Embedded Documentation build fail](https://discourse.paraview.org/t/embedded-documentation-build-fail/7822)

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**Author:** [@Andrew\_Maclean](https://discourse.paraview.org/u/Andrew_Maclean)\
**Replies:** 7\
**Last updated:** [August 17, 2021, 11:36pm UTC](https://discourse.paraview.org/t/embedded-documentation-build-fail/7822 "2021-08-17T23:36:31Z")

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I am building the master and have just begun to get the above message. The failure is this: FAILED: Clients/ParaView/Documentation/paraview\_doc.xslt /home/amaclean/Development/Kitware/build/paraview/Clients/ParaView/Do…

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## [Animation to make spheres appears through time](https://discourse.paraview.org/t/animation-to-make-spheres-appears-through-time/10501)

<div class="topic-metadata">

**Author:** [@schupin](https://discourse.paraview.org/u/schupin)\
**Replies:** 2\
**Last updated:** [October 14, 2022, 7:17am UTC](https://discourse.paraview.org/t/animation-to-make-spheres-appears-through-time/10501 "2022-10-14T07:17:36Z")

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Hi, I’m working with csv files containing x,y and z location of particules. I’m vizualizing it with glyphes on paraview and it work well :slight\_smile: Each particule has a id corresponding to its age and I’ll like …

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## [z stack render](https://discourse.paraview.org/t/z-stack-render/7359)

<div class="topic-metadata">

**Author:** [@Margot](https://discourse.paraview.org/u/Margot)\
**Replies:** 2\
**Last updated:** [June 8, 2021, 7:44pm UTC](https://discourse.paraview.org/t/z-stack-render/7359 "2021-06-08T19:44:37Z")

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Hello, May I ask for little hint/help with ParaView? I am totally new to this type of rendering\\calculations, and it is just giving me headache. I have z stack from ZEISS Airyscan, fluorescent image, 2 channels. I need…

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## [Paraview 5.6.0 crash](https://discourse.paraview.org/t/paraview-5-6-0-crash/2940)

<div class="topic-metadata">

**Author:** [@ivanlonati](https://discourse.paraview.org/u/ivanlonati)\
**Replies:** 2\
**Last updated:** [November 13, 2019, 5:41pm UTC](https://discourse.paraview.org/t/paraview-5-6-0-crash/2940 "2019-11-13T17:41:24Z")

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I used CHT to produce a simulation with different regions. When I open paraview, I try to plot over a line the results, but the program just shutting down. How I can fix the problem?

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## [Superbuild question: using local Paraview sources for custom application?](https://discourse.paraview.org/t/superbuild-question-using-local-paraview-sources-for-custom-application/771)

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**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 3\
**Last updated:** [October 22, 2018, 4:48pm UTC](https://discourse.paraview.org/t/superbuild-question-using-local-paraview-sources-for-custom-application/771 "2018-10-22T16:48:42Z")

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A custom application is built on a Paraview application, and now I have applied two very little changes in my local copy of the paraview sources (one bug fix that I reported, and one case of turning off warning messages …

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## [Using RuledSurfaceFilter in Paraview](https://discourse.paraview.org/t/using-ruledsurfacefilter-in-paraview/4994)

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**Author:** [@jared711](https://discourse.paraview.org/u/jared711)\
**Replies:** 2\
**Last updated:** [August 3, 2020, 7:03pm UTC](https://discourse.paraview.org/t/using-ruledsurfacefilter-in-paraview/4994 "2020-08-03T19:03:39Z")

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I’ve got a set of curves in space that follow a tube-like pattern, and I want to connect the lines with surfaces to create a solid walled tube. After some investigation, I found the RuledSurfaceFilter in VTK, but was dis…

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## [Any way to adjust how textures are applied to geometry in OSPRay?](https://discourse.paraview.org/t/any-way-to-adjust-how-textures-are-applied-to-geometry-in-ospray/4729)

<div class="topic-metadata">

**Author:** [@mconti](https://discourse.paraview.org/u/mconti)\
**Replies:** 2\
**Last updated:** [July 3, 2020, 8:01am UTC](https://discourse.paraview.org/t/any-way-to-adjust-how-textures-are-applied-to-geometry-in-ospray/4729 "2020-07-03T08:01:09Z")

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Hey everyone, I use a bunch of materials with texture image mapping on OSPRay. When I apply these materials to a finite element mesh (FEM) model it maps the texture to every element face. Usually my mesh size is usually …

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## [Change the order of properties in python plugin](https://discourse.paraview.org/t/change-the-order-of-properties-in-python-plugin/10351)

<div class="topic-metadata">

**Author:** [@vavo01](https://discourse.paraview.org/u/vavo01)\
**Replies:** 4\
**Last updated:** [July 7, 2025, 10:26am UTC](https://discourse.paraview.org/t/change-the-order-of-properties-in-python-plugin/10351 "2025-07-07T10:26:05Z")

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Dear all, I’ve finally managed to create my own python plugin. @utkarsh.ayachit Thanks for the great example here: But one point is still open for me: how can I change the order of the properties in the GUI? The order…

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## [Cmake error with add\_subdirectory in plugin](https://discourse.paraview.org/t/cmake-error-with-add-subdirectory-in-plugin/12717)

<div class="topic-metadata">

**Author:** [@zetwal](https://discourse.paraview.org/u/zetwal)\
**Replies:** 4\
**Last updated:** [August 21, 2023, 2:25pm UTC](https://discourse.paraview.org/t/cmake-error-with-add-subdirectory-in-plugin/12717 "2023-08-21T14:25:53Z")

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Hello I’m working on a plugin for a reader (GenericIO) that depends on other libraries (blosc and SZ). So, in the CMakeLists.txt, I have add\_subdirectory(GIO/thirdparty), where blosc is found. Part of the CMakelists.tx…

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## [Paraview/VTK crushes when opening triangulated surface](https://discourse.paraview.org/t/paraview-vtk-crushes-when-opening-triangulated-surface/7330)

<div class="topic-metadata">

**Author:** [@IgnacioV](https://discourse.paraview.org/u/IgnacioV)\
**Replies:** 4\
**Last updated:** [June 1, 2021, 12:34pm UTC](https://discourse.paraview.org/t/paraview-vtk-crushes-when-opening-triangulated-surface/7330 "2021-06-01T12:34:23Z")

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OS: Windows 10 64b ParaView version: 5.9.0 Where you obtained ParaView: binary download link GPU: Nvidia 1660S Hello, I’m trying to open a custom triangulated surface I made using a mine pit elevation contour lines a…

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## [ParaviewWeb selection error](https://discourse.paraview.org/t/paraviewweb-selection-error/6733)

<div class="topic-metadata">

**Author:** [@jone](https://discourse.paraview.org/u/jone)\
**Replies:** 5\
**Last updated:** [March 23, 2021, 3:16pm UTC](https://discourse.paraview.org/t/paraviewweb-selection-error/6733 "2021-03-23T15:16:31Z")

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I want to pick a cell on the client side.First, I get the position of the mouse click on the canvas, using the following methods: var rect = canvas.getBoundingClientRect(); var x= event.clientX - rect.left \* (canvas.w…

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## [Nvidia index errors](https://discourse.paraview.org/t/nvidia-index-errors/2226)

<div class="topic-metadata">

**Author:** [@Liang\_Cui](https://discourse.paraview.org/u/Liang_Cui)\
**Replies:** 1\
**Last updated:** [July 15, 2019, 7:38pm UTC](https://discourse.paraview.org/t/nvidia-index-errors/2226 "2019-07-15T19:38:37Z")

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Dear all I would like to implement the nvidiaindex plugin to get high performance in rendering. My way to install the plugin is to build the paraview 5.6.0 from source and turn on the Nvidia index option. But when I l…

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## [ParaView SIGSEV](https://discourse.paraview.org/t/paraview-sigsev/14560)

<div class="topic-metadata">

**Author:** [@Vahid](https://discourse.paraview.org/u/Vahid)\
**Replies:** 4\
**Last updated:** [May 6, 2024, 12:03pm UTC](https://discourse.paraview.org/t/paraview-sigsev/14560 "2024-05-06T12:03:16Z")

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HI When I try to open Paraview, I get this error Loguru caught a signal: SIGSEGV Stack trace: 29 0x5cf1d3f1d2d5 paraview(+0x92d5) \[0x5cf1d3f1d2d5\] 28 0x7612b5229e40 \_\_libc\_start\_main + 128 27 0x7612b…

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## [Transition from Script to Trame visualisation](https://discourse.paraview.org/t/transition-from-script-to-trame-visualisation/9273)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 4\
**Last updated:** [March 29, 2022, 12:07pm UTC](https://discourse.paraview.org/t/transition-from-script-to-trame-visualisation/9273 "2022-03-29T12:07:49Z")

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Dear everyone, Since a couple of days I am working on a python script for postprocessing CFD postprocessing and it’s working well. Now that the script is done, I would like to have Trame to show the various views that i…

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## [Trivial Producer Scalars not Visible? (Part of increasing understanding of VTK + Paraview scripting)](https://discourse.paraview.org/t/trivial-producer-scalars-not-visible-part-of-increasing-understanding-of-vtk-paraview-scripting/10216)

<div class="topic-metadata">

**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 2\
**Last updated:** [August 30, 2022, 9:00pm UTC](https://discourse.paraview.org/t/trivial-producer-scalars-not-visible-part-of-increasing-understanding-of-vtk-paraview-scripting/10216 "2022-08-30T21:00:53Z")

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Hi there, I’m trying to improve my understanding of both paraview and vtk’s python module by generating small point sets and viewing them in paraview using the Trivial Producer. I succeed in getting points drawn to the …

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## [How to interpolate a 2D point cloud from .vtp with obstacles (like cylinders)?](https://discourse.paraview.org/t/how-to-interpolate-a-2d-point-cloud-from-vtp-with-obstacles-like-cylinders/11942)

<div class="topic-metadata">

**Author:** [@Flatter](https://discourse.paraview.org/u/Flatter)\
**Replies:** 5\
**Last updated:** [October 24, 2024, 8:54am UTC](https://discourse.paraview.org/t/how-to-interpolate-a-2d-point-cloud-from-vtp-with-obstacles-like-cylinders/11942 "2024-10-24T08:54:20Z")

</div>

Hi there, I’d like to interpolate the interior points of my domain that I receive after training a PINN. In my case, there is a flow around cylinders in 2D. I’ve used the Delaunay2D filter on my interior points, but wh…

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## [StreamTracer](https://discourse.paraview.org/t/streamtracer/6206)

<div class="topic-metadata">

**Author:** [@ccarranza](https://discourse.paraview.org/u/ccarranza)\
**Replies:** 5\
**Last updated:** [January 12, 2021, 2:26pm UTC](https://discourse.paraview.org/t/streamtracer/6206 "2021-01-12T14:26:25Z")

</div>

Is it possible to use StreamTracer with vtu extension? I am using Quad for Cell type. Thank you for your time, Celso

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## [how does bumpmapping work?](https://discourse.paraview.org/t/how-does-bumpmapping-work/9654)

<div class="topic-metadata">

**Author:** [@bigfooted](https://discourse.paraview.org/u/bigfooted)\
**Replies:** 4\
**Last updated:** [June 6, 2022, 6:52am UTC](https://discourse.paraview.org/t/how-does-bumpmapping-work/9654 "2022-06-06T06:52:53Z")

</div>

I’m sorry for this basic question, but I don’t seem to get bump mapping to work on a simple problem. Is there an example somewhere? I just have a box and put a texture on it. I copied the normal texture image from here:…

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## [LIGGGHTS output viewing](https://discourse.paraview.org/t/liggghts-output-viewing/8825)

<div class="topic-metadata">

**Author:** [@mabrouka](https://discourse.paraview.org/u/mabrouka)\
**Replies:** 1\
**Last updated:** [January 24, 2022, 10:53am UTC](https://discourse.paraview.org/t/liggghts-output-viewing/8825 "2022-01-24T10:53:37Z")

</div>

Hi everyone I ran a LIGGGHTS DEM code and want to see results on Paraview; However I get the following error CFDEM-PUBLIC-5.x/run/out0.stl at line 3: unable to read STL vertex. The following attachment is the output s…

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## [How to extract the value of a field in Python annotation filter](https://discourse.paraview.org/t/how-to-extract-the-value-of-a-field-in-python-annotation-filter/8280)

<div class="topic-metadata">

**Author:** [@AE3X](https://discourse.paraview.org/u/AE3X)\
**Replies:** 1\
**Last updated:** [November 29, 2021, 6:13pm UTC](https://discourse.paraview.org/t/how-to-extract-the-value-of-a-field-in-python-annotation-filter/8280 "2021-11-29T18:13:23Z")

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Hello, Here is what I am trying to do with the Python Annotation filter. in Paraview 5.6.0 (on Ubuntu 20.04) inputs\[0\].CellData\['myVariable'\]\[0\] The output is: I can see the type of of the output as follows: type(…

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## [Paraview and eGPUS on macOS 10.14](https://discourse.paraview.org/t/paraview-and-egpus-on-macos-10-14/1581)

<div class="topic-metadata">

**Author:** [@alexscheppert](https://discourse.paraview.org/u/alexscheppert)\
**Replies:** 1\
**Last updated:** [April 1, 2019, 5:14pm UTC](https://discourse.paraview.org/t/paraview-and-egpus-on-macos-10-14/1581 "2019-04-01T17:14:00Z")

</div>

Hello all, I was wondering if the mac version of Paraview supports use of external gpu acceleration (eGPU) in macOS 10.14. The setup would be a Mac mini and a Blackmagic eGPU (Radeon pro 580). I have not been able to f…

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## [Visualize velocity vector](https://discourse.paraview.org/t/visualize-velocity-vector/10527)

<div class="topic-metadata">

**Author:** [@saman89](https://discourse.paraview.org/u/saman89)\
**Replies:** 2\
**Last updated:** [October 18, 2022, 7:19am UTC](https://discourse.paraview.org/t/visualize-velocity-vector/10527 "2022-10-18T07:19:24Z")

</div>

Hi forum, I Want to create a glyph, but when I set the scale by magnitude the vectors inside the blue phase get very large. How can I see the vectors just inside the red phase? the case is multiphase, and the attached …

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## [What is this trying to tell us? Something with readers and writers - but what?](https://discourse.paraview.org/t/what-is-this-trying-to-tell-us-something-with-readers-and-writers-but-what/2889)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 3\
**Last updated:** [November 3, 2019, 10:43am UTC](https://discourse.paraview.org/t/what-is-this-trying-to-tell-us-something-with-readers-and-writers-but-what/2889 "2019-11-03T10:43:44Z")

</div>

My Paraview custom application is now regularly starting with a message that I cannot understand! It even tells me where it happens, and this is what I find there: // Give a warning that if there is ParaViewReaders or…

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## [Extracting profiles with vtk working but not always...](https://discourse.paraview.org/t/extracting-profiles-with-vtk-working-but-not-always/13584)

<div class="topic-metadata">

**Author:** [@Boone](https://discourse.paraview.org/u/Boone)\
**Replies:** 5\
**Last updated:** [May 30, 2024, 1:32pm UTC](https://discourse.paraview.org/t/extracting-profiles-with-vtk-working-but-not-always/13584 "2024-05-30T13:32:36Z")

</div>

Hi all, I am new in vtk and I try to extract a profile along a line in my geometry. My issue is that, for certain locations in the streamwise direction, I do not obtain the same profiles with the Paraview visualization …

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## [How to obtain the current time index in Programmable Source](https://discourse.paraview.org/t/how-to-obtain-the-current-time-index-in-programmable-source/11268)

<div class="topic-metadata">

**Author:** [@robertsawko](https://discourse.paraview.org/u/robertsawko)\
**Replies:** 1\
**Last updated:** [February 2, 2023, 5:11pm UTC](https://discourse.paraview.org/t/how-to-obtain-the-current-time-index-in-programmable-source/11268 "2023-02-02T17:11:57Z")

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Hello, I am prototyping a reader for a code which generates one file per time step. Using advice from here, I was able to correctly read the number of time steps to my Programmable Source and I know I can read the curre…

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## [Load custom variables files in pvpython](https://discourse.paraview.org/t/load-custom-variables-files-in-pvpython/5064)

<div class="topic-metadata">

**Author:** [@ShogunHirei](https://discourse.paraview.org/u/ShogunHirei)\
**Replies:** 1\
**Last updated:** [August 10, 2020, 1:34am UTC](https://discourse.paraview.org/t/load-custom-variables-files-in-pvpython/5064 "2020-08-10T01:34:21Z")

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Greetings, all. I am using OpenFOAM to run some simulations and make predictions using others methods. I create an variable file in OF format such as specified in this documentation. In this case one for the pressure an…

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## [Text label for polygons](https://discourse.paraview.org/t/text-label-for-polygons/1565)

<div class="topic-metadata">

**Author:** [@pauloh](https://discourse.paraview.org/u/pauloh)\
**Replies:** 1\
**Last updated:** [April 4, 2019, 6:18pm UTC](https://discourse.paraview.org/t/text-label-for-polygons/1565 "2019-04-04T18:18:37Z")

</div>

Hello, I would like to know if there is an easy way to add text labels (or better add text as cell data) to polygons or general unstructured cells. Thanks, Paulo

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## [Is it possible to reload vtkjs file into paraview ?](https://discourse.paraview.org/t/is-it-possible-to-reload-vtkjs-file-into-paraview/10853)

<div class="topic-metadata">

**Author:** [@nennigb](https://discourse.paraview.org/u/nennigb)\
**Replies:** 4\
**Last updated:** [December 2, 2022, 3:54pm UTC](https://discourse.paraview.org/t/is-it-possible-to-reload-vtkjs-file-into-paraview/10853 "2022-12-02T15:54:06Z")

</div>

I have some vtkjs files that I have created outside paraview that I would like to reload into paraview. I know that I can export a scene from paraview to vtjs format, but is it possible to do the opposite ? If not, is …

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## [Building ParaView v5.10.0 keeps failing](https://discourse.paraview.org/t/building-paraview-v5-10-0-keeps-failing/9531)

<div class="topic-metadata">

**Author:** [@nopech](https://discourse.paraview.org/u/nopech)\
**Replies:** 4\
**Last updated:** [May 3, 2022, 5:51am UTC](https://discourse.paraview.org/t/building-paraview-v5-10-0-keeps-failing/9531 "2022-05-03T05:51:47Z")

</div>

Hello everyone I’ve done this in the past a few times on different Linux versions and with different ParaView versions but with the current combination it just keeps failing. I’m using the paraview-superbuild repositor…

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