# Top

**URL:** https://discourse.paraview.org/top.md?page=168&period=all

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**Page:** 169

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## [How to plot vWSS over time?](https://discourse.paraview.org/t/how-to-plot-vwss-over-time/13360)

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**Author:** [@annap](https://discourse.paraview.org/u/annap)\
**Replies:** 0\
**Last updated:** [November 27, 2023, 7:40pm UTC](https://discourse.paraview.org/t/how-to-plot-vwss-over-time/13360 "2023-11-27T19:40:18Z")

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By default, wall shear stress is not listed under properties. Once I press the play button it appears as an option in the drop down menu, but when I try to update properties to include vWSS, the time steps disappear. How…

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## [ParaView reverse connection mode from macbook on VPN error](https://discourse.paraview.org/t/paraview-reverse-connection-mode-from-macbook-on-vpn-error/13295)

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**Author:** [@zetwal](https://discourse.paraview.org/u/zetwal)\
**Replies:** 0\
**Last updated:** [November 21, 2023, 5:33pm UTC](https://discourse.paraview.org/t/paraview-reverse-connection-mode-from-macbook-on-vpn-error/13295 "2023-11-21T17:33:15Z")

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Hello I’m trying to connect from a ParaView client (5.11.0) on a MacBook to a paraview server on linux (5.11.0) in reverse connection mode and I am getting these errors from the server: ( 59.285s) \[pvserver.0 \]vt…

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## [Can't select specific patches in Paraview from Fluent](https://discourse.paraview.org/t/cant-select-specific-patches-in-paraview-from-fluent/17329)

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**Author:** [@Abdullah\_Saifee](https://discourse.paraview.org/u/Abdullah_Saifee)\
**Replies:** 1\
**Last updated:** [November 24, 2025, 8:55am UTC](https://discourse.paraview.org/t/cant-select-specific-patches-in-paraview-from-fluent/17329 "2025-11-24T08:55:17Z")

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I am using Paraview 6.0.1. I have exported Ansys Fluent results in EnSight Gold format of a transient simulation. I read in the file in Paraview. But I cannot select specific patches on the model to isolate results on th…

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## [Subsetting Data for in situ visualization](https://discourse.paraview.org/t/subsetting-data-for-in-situ-visualization/14675)

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**Author:** [@Muzafarwani](https://discourse.paraview.org/u/Muzafarwani)\
**Replies:** 1\
**Last updated:** [May 21, 2024, 9:48am UTC](https://discourse.paraview.org/t/subsetting-data-for-in-situ-visualization/14675 "2024-05-21T09:48:43Z")

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I want to know can Paraview/Catalyst handle a scenario where Paraview is used for in situ visualization and a mesh is defined for a variable and visualization happens for x time steps out of N time steps for one variable…

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## [Show color legend but ignore the transparency of the color map](https://discourse.paraview.org/t/show-color-legend-but-ignore-the-transparency-of-the-color-map/14404)

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**Author:** [@Okarin99](https://discourse.paraview.org/u/Okarin99)\
**Replies:** 1\
**Last updated:** [April 15, 2024, 4:21pm UTC](https://discourse.paraview.org/t/show-color-legend-but-ignore-the-transparency-of-the-color-map/14404 "2024-04-15T16:21:53Z")

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Hi, I use the gwpv library to visualize some gravitational waveforms using paraview. This library allows me to visualize specific values in the waveform as peaks all other values are transparent. It uses a color map f…

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## [How to get vtkAlgorithmOutput from vtkSMSourceProxy?](https://discourse.paraview.org/t/how-to-get-vtkalgorithmoutput-from-vtksmsourceproxy/14293)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [March 29, 2024, 12:21pm UTC](https://discourse.paraview.org/t/how-to-get-vtkalgorithmoutput-from-vtksmsourceproxy/14293 "2024-03-29T12:21:01Z")

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Hello dear paraview developers! Could you explain me please, how to get vtkAlgorithmOutput from vtkSMSourceProxy? I want to create the filter in the runtime and to set its input connection, but I dont see a way to do i…

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## [Which filters are accessible in vtkSMSessionProxyManager](https://discourse.paraview.org/t/which-filters-are-accessible-in-vtksmsessionproxymanager/14253)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [March 25, 2024, 8:19am UTC](https://discourse.paraview.org/t/which-filters-are-accessible-in-vtksmsessionproxymanager/14253 "2024-03-25T08:19:20Z")

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Hello dear Paraview developers! I cant get access to my proxy via this pxm-\>GetProxies(“filters\_prototypes”, “MyFilter”, render\_view\_proxies); Because when filter is created in pqObjectBuilder::createFilter It does n…

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## [Selection for ExtractSelection not saved in state](https://discourse.paraview.org/t/selection-for-extractselection-not-saved-in-state/16113)

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**Author:** [@alwaysonemorebug](https://discourse.paraview.org/u/alwaysonemorebug)\
**Replies:** 2\
**Last updated:** [February 5, 2025, 10:53pm UTC](https://discourse.paraview.org/t/selection-for-extractselection-not-saved-in-state/16113 "2025-02-05T22:53:51Z")

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The topic is a known bug and was discussed in the past, but I cannot get the proposed workaround to work. Situation: My pipeline is created by a Python script. To work on a subset of the data, I use QuerySelect followe…

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## [Unexpected behavior of Temporal Shift Scale Filter](https://discourse.paraview.org/t/unexpected-behavior-of-temporal-shift-scale-filter/15472)

<div class="topic-metadata">

**Author:** [@jameskress](https://discourse.paraview.org/u/jameskress)\
**Replies:** 2\
**Last updated:** [September 30, 2024, 11:17am UTC](https://discourse.paraview.org/t/unexpected-behavior-of-temporal-shift-scale-filter/15472 "2024-09-30T11:17:36Z")

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Good morning, It looks like the behavior of the temporal shift scale filter has changed in recent versions of ParaView. I have a state file from 5.11 where the behavior was what I’ll call “correct” for the purposes of t…

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## [Unexpected Behavior for StreamTracer on Multiresolution Unstructured Grid](https://discourse.paraview.org/t/unexpected-behavior-for-streamtracer-on-multiresolution-unstructured-grid/17138)

<div class="topic-metadata">

**Author:** [@TimGerrits](https://discourse.paraview.org/u/TimGerrits)\
**Replies:** 4\
**Last updated:** [August 26, 2025, 8:00am UTC](https://discourse.paraview.org/t/unexpected-behavior-for-streamtracer-on-multiresolution-unstructured-grid/17138 "2025-08-26T08:00:18Z")

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Dear all, I have encountered a weird issue that occurs in ParaView 6.0. I am working on a multiresolution unstructured grid files where there are overlapping faces on transitions from one resolution to another. (I hav…

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## [Extractors don't use a target directory](https://discourse.paraview.org/t/extractors-dont-use-a-target-directory/16795)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 4\
**Last updated:** [June 11, 2025, 5:18pm UTC](https://discourse.paraview.org/t/extractors-dont-use-a-target-directory/16795 "2025-06-11T17:18:19Z")

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Hi guys, Extractors/ JPGs allow a user to name output images, but I don’t see where you can select a directory. What am I missing? Thanks, Alan

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## [Automatically loading window arrangements on startup](https://discourse.paraview.org/t/automatically-loading-window-arrangements-on-startup/16331)

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**Author:** [@learex](https://discourse.paraview.org/u/learex)\
**Replies:** 4\
**Last updated:** [March 14, 2025, 12:19pm UTC](https://discourse.paraview.org/t/automatically-loading-window-arrangements-on-startup/16331 "2025-03-14T12:19:54Z")

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When starting paraview, it is not possible to automatically load a .pwin file. Detached panels do not load “as last used layout” (using Ubuntu), hence manually opening the arrangement is necessary every time when opening…

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## [RGB coloring of mesh](https://discourse.paraview.org/t/rgb-coloring-of-mesh/12635)

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**Author:** [@aditya\_shukla](https://discourse.paraview.org/u/aditya_shukla)\
**Replies:** 0\
**Last updated:** [August 2, 2023, 4:02pm UTC](https://discourse.paraview.org/t/rgb-coloring-of-mesh/12635 "2023-08-02T16:02:50Z")

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Hi all I have a mesh structure . I have two arrays. One has dimensions (186530, 6). where 6 represents color of two faces. I also have array which has shape (186530, 1) which is a feature IDs. When I try to visualiz…

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## [Problem building matplotlib in superbuild](https://discourse.paraview.org/t/problem-building-matplotlib-in-superbuild/11834)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 0\
**Last updated:** [April 7, 2023, 9:58pm UTC](https://discourse.paraview.org/t/problem-building-matplotlib-in-superbuild/11834 "2023-04-07T21:58:45Z")

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I’m attempting to build paraview in an apptainer container, but I keep running into crashes when it gets to the matplotlib build. The specific failure is a missing freetype library, but I can verify that the library is b…

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## [Cannot select first opacity control point with mouse in transfer function editor because scalar-range handle blocks this option](https://discourse.paraview.org/t/cannot-select-first-opacity-control-point-with-mouse-in-transfer-function-editor-because-scalar-range-handle-blocks-this-option/17312)

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**Author:** [@swilliams\_KMT](https://discourse.paraview.org/u/swilliams_KMT)\
**Replies:** 5\
**Last updated:** [January 23, 2026, 9:00am UTC](https://discourse.paraview.org/t/cannot-select-first-opacity-control-point-with-mouse-in-transfer-function-editor-because-scalar-range-handle-blocks-this-option/17312 "2026-01-23T09:00:05Z")

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I see this issue has been raised a few times over the years but it still persists. The leftmost (and rightmost) opacity control points in the transfer-function editor cannot be selected with the mouse because the scalar…

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## [Xdmf3ReaderT crashes if xdmf mesh file (plain text) exceeds certain number of elements](https://discourse.paraview.org/t/xdmf3readert-crashes-if-xdmf-mesh-file-plain-text-exceeds-certain-number-of-elements/17333)

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**Author:** [@violettinged](https://discourse.paraview.org/u/violettinged)\
**Replies:** 1\
**Last updated:** [December 11, 2025, 11:33am UTC](https://discourse.paraview.org/t/xdmf3readert-crashes-if-xdmf-mesh-file-plain-text-exceeds-certain-number-of-elements/17333 "2025-12-11T11:33:46Z")

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Description I have a .xdmf mesh file of a simple cube geometry with both the metadata and the definition of tetrahedral elements and node coordinates (heavy data) stored in the same plain text file using XML. Trying to o…

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## [mpiexec and cluster](https://discourse.paraview.org/t/mpiexec-and-cluster/15339)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [September 2, 2024, 3:13pm UTC](https://discourse.paraview.org/t/mpiexec-and-cluster/15339 "2024-09-02T15:13:06Z")

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I am setting up a test cluster (vagrant+virtualbox) to learn more about mpiexec and pvserver The cluster on virtualbox has the following nodes head node-1 node-2 The head node is where I can login to run something li…

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## [Looking Glass Factory Saving Quilt](https://discourse.paraview.org/t/looking-glass-factory-saving-quilt/16845)

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**Author:** [@lorak41](https://discourse.paraview.org/u/lorak41)\
**Replies:** 3\
**Last updated:** [June 30, 2025, 4:46pm UTC](https://discourse.paraview.org/t/looking-glass-factory-saving-quilt/16845 "2025-06-30T16:46:59Z")

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Hello everyone, I have a problem with recording Quilt using Looking Glass Factory (LGF) plugin. It is a known issue that saving animation as a video (e.g. avi) creates first good looking frames, and then the rest is so…

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## [Silo files being brought in separately instead of grouped](https://discourse.paraview.org/t/silo-files-being-brought-in-separately-instead-of-grouped/13455)

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**Author:** [@David\_Ortley](https://discourse.paraview.org/u/David_Ortley)\
**Replies:** 0\
**Last updated:** [December 6, 2023, 9:20pm UTC](https://discourse.paraview.org/t/silo-files-being-brought-in-separately-instead-of-grouped/13455 "2023-12-06T21:20:51Z")

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One of the formats our code produces as output are silo files. When we output them in parallel, there is a ???.master.silo header file produced that we load. The ???'s are cycle numbers of the dump times. When using Par…

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## [programmable filter: Could not find a suitable VTK type for object](https://discourse.paraview.org/t/programmable-filter-could-not-find-a-suitable-vtk-type-for-object/13256)

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**Author:** [@simonw](https://discourse.paraview.org/u/simonw)\
**Replies:** 0\
**Last updated:** [November 14, 2023, 11:30pm UTC](https://discourse.paraview.org/t/programmable-filter-could-not-find-a-suitable-vtk-type-for-object/13256 "2023-11-14T23:30:32Z")

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EDIT: This question was answered in the vtk support here

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## [libhdf5.so.103 not found when sourced openfoam (. ~/OpenFOAM-v2412/etc/bashrc)](https://discourse.paraview.org/t/libhdf5-so-103-not-found-when-sourced-openfoam-openfoam-v2412-etc-bashrc/16428)

<div class="topic-metadata">

**Author:** [@muezabdalla](https://discourse.paraview.org/u/muezabdalla)\
**Replies:** 2\
**Last updated:** [May 22, 2025, 1:51pm UTC](https://discourse.paraview.org/t/libhdf5-so-103-not-found-when-sourced-openfoam-openfoam-v2412-etc-bashrc/16428 "2025-05-22T13:51:28Z")

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after sourcing openfoam (. ~/OpenFOAM-v2412/etc/bashrc) then trying to open paraview I get this error ~/ParaView-5.13.3-MPI-Linux-Python3.10-x86\_64/bin/paraview-real:error while loading shared libraries: libhdf5.so.103:…

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## [Large external sensors data file for slam](https://discourse.paraview.org/t/large-external-sensors-data-file-for-slam/16532)

<div class="topic-metadata">

**Author:** [@uasdev](https://discourse.paraview.org/u/uasdev)\
**Replies:** 2\
**Last updated:** [May 2, 2025, 7:16pm UTC](https://discourse.paraview.org/t/large-external-sensors-data-file-for-slam/16532 "2025-05-02T19:16:02Z")

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How do we deal with a large external sensor data file (.csv) when running a slam (offline)? For example, I had my lidar “on” for about an hour. I looped through all .pcap files for this capture to extract the lidar time…

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## [plotting data and what kinds can I?](https://discourse.paraview.org/t/plotting-data-and-what-kinds-can-i/15140)

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**Author:** [@Lt72884](https://discourse.paraview.org/u/Lt72884)\
**Replies:** 2\
**Last updated:** [July 29, 2024, 4:41pm UTC](https://discourse.paraview.org/t/plotting-data-and-what-kinds-can-i/15140 "2024-07-29T16:41:18Z")

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I just started using paraview and can do some basic stuff. However,I was wondering if it would plot graphs of my CFD data such as forces, or other things. Im not really sure what other things are but im hoping to find ou…

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## [error/warning message using calculator](https://discourse.paraview.org/t/error-warning-message-using-calculator/16661)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 1\
**Last updated:** [May 19, 2025, 3:28pm UTC](https://discourse.paraview.org/t/error-warning-message-using-calculator/16661 "2025-05-19T15:28:55Z")

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Hello, I am getting an warning (and also an error) for using the calculator filter to calculate the momentum of water in a simulation, I am using in a python script the following lines: filterForData = Calculator(regis…

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## [Plotting averaged passive scalar (averaged over x) from a 2D domain (x, y) over length (y).](https://discourse.paraview.org/t/plotting-averaged-passive-scalar-averaged-over-x-from-a-2d-domain-x-y-over-length-y/15389)

<div class="topic-metadata">

**Author:** [@bibhas](https://discourse.paraview.org/u/bibhas)\
**Replies:** 4\
**Last updated:** [September 20, 2024, 5:32pm UTC](https://discourse.paraview.org/t/plotting-averaged-passive-scalar-averaged-over-x-from-a-2d-domain-x-y-over-length-y/15389 "2024-09-20T17:32:02Z")

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Hi, I am new to Paraview! I have a 2D Domain (x, y). It has velocity, pressure, and two passive scalars. I wish to plot the averaged passive scalar ( averaged in x) over the y direction. Thanks, Bibhas

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## [Help with calculator](https://discourse.paraview.org/t/help-with-calculator/13646)

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**Author:** [@SKSoni](https://discourse.paraview.org/u/SKSoni)\
**Replies:** 0\
**Last updated:** [January 6, 2024, 8:37am UTC](https://discourse.paraview.org/t/help-with-calculator/13646 "2024-01-06T08:37:53Z")

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Hello @Kenneth\_Moreland In my case, i am using 3D CSV Data which has following columns \[ x, y, z, u1, u2, u3, T\] and I have followed the steps as you described but unfortunately an error message is coming up "undefine…

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## [wrong axes were hidden when trying to hiding some axes in 3D. Any one can help solve it?](https://discourse.paraview.org/t/wrong-axes-were-hidden-when-trying-to-hiding-some-axes-in-3d-any-one-can-help-solve-it/12709)

<div class="topic-metadata">

**Author:** [@HL\_RAY](https://discourse.paraview.org/u/HL_RAY)\
**Replies:** 0\
**Last updated:** [August 17, 2023, 9:56am UTC](https://discourse.paraview.org/t/wrong-axes-were-hidden-when-trying-to-hiding-some-axes-in-3d-any-one-can-help-solve-it/12709 "2023-08-17T09:56:28Z")

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## [Is there a way to randomize the location of points within a PointSource over time for ParticleTracer](https://discourse.paraview.org/t/is-there-a-way-to-randomize-the-location-of-points-within-a-pointsource-over-time-for-particletracer/11326)

<div class="topic-metadata">

**Author:** [@moonlightcockroch](https://discourse.paraview.org/u/moonlightcockroch)\
**Replies:** 0\
**Last updated:** [February 3, 2023, 3:23pm UTC](https://discourse.paraview.org/t/is-there-a-way-to-randomize-the-location-of-points-within-a-pointsource-over-time-for-particletracer/11326 "2023-02-03T15:23:09Z")

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Hi, I am trying to visualize a time-dependent flow with the ParticleTracer filter and am using a PointSource as my source while injecting particles at every time-step to get a pathline/streakline effect. I am having dec…

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## [can we use clip filter for visualizing particle data, or is it only applicable for cell data](https://discourse.paraview.org/t/can-we-use-clip-filter-for-visualizing-particle-data-or-is-it-only-applicable-for-cell-data/14174)

<div class="topic-metadata">

**Author:** [@Kamal\_pandey](https://discourse.paraview.org/u/Kamal_pandey)\
**Replies:** 1\
**Last updated:** [March 18, 2024, 8:44am UTC](https://discourse.paraview.org/t/can-we-use-clip-filter-for-visualizing-particle-data-or-is-it-only-applicable-for-cell-data/14174 "2024-03-18T08:44:44Z")

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Hello experts @mwestphal @nicolas.vuaille @Kenneth\_Moreland. I have a dataset containing particle data in a packed bed of multi-sized particles, stored in a .pvd file format. My objective is to visualize particles within…

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## [paraview glitchs when i move the mouse to its screen](https://discourse.paraview.org/t/paraview-glitchs-when-i-move-the-mouse-to-its-screen/13961)

<div class="topic-metadata">

**Author:** [@Saeideh\_Hadavand](https://discourse.paraview.org/u/Saeideh_Hadavand)\
**Replies:** 1\
**Last updated:** [February 19, 2024, 8:13am UTC](https://discourse.paraview.org/t/paraview-glitchs-when-i-move-the-mouse-to-its-screen/13961 "2024-02-19T08:13:52Z")

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so i just opened paraview but as soon as i move my mouse on the screen it become glitchy like this… i haven’t yet load any thing

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## [glyph always has white arrows pointing to the x direction?](https://discourse.paraview.org/t/glyph-always-has-white-arrows-pointing-to-the-x-direction/16255)

<div class="topic-metadata">

**Author:** [@Feynman](https://discourse.paraview.org/u/Feynman)\
**Replies:** 2\
**Last updated:** [March 9, 2025, 9:43am UTC](https://discourse.paraview.org/t/glyph-always-has-white-arrows-pointing-to-the-x-direction/16255 "2025-03-09T09:43:52Z")

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Hello, I was modeling the fluid flux within a cylindrical material sample. However, when I used the glyph to create arrows to visualize the fluid flux (a vector variable in my case), the plot always returned some weird …

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## [Open Multiple Cameras to Same Dataset](https://discourse.paraview.org/t/open-multiple-cameras-to-same-dataset/16181)

<div class="topic-metadata">

**Author:** [@figbar](https://discourse.paraview.org/u/figbar)\
**Replies:** 2\
**Last updated:** [February 28, 2025, 8:18pm UTC](https://discourse.paraview.org/t/open-multiple-cameras-to-same-dataset/16181 "2025-02-28T20:18:44Z")

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Hello, I have a lidar dataset that I am running SLAM on. I would like to open two cameras following this scene (the first will be an ‘overhead’ view, while the second has a custom animation applied to it). How can I set…

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## [can't open vtu with paraview from debian repository but can with version downloaded from the site](https://discourse.paraview.org/t/cant-open-vtu-with-paraview-from-debian-repository-but-can-with-version-downloaded-from-the-site/14657)

<div class="topic-metadata">

**Author:** [@gbug](https://discourse.paraview.org/u/gbug)\
**Replies:** 2\
**Last updated:** [May 21, 2024, 7:19am UTC](https://discourse.paraview.org/t/cant-open-vtu-with-paraview-from-debian-repository-but-can-with-version-downloaded-from-the-site/14657 "2024-05-21T07:19:24Z")

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Hi! I can’t open a binary vtu file (attached) with paraview from debian testing repository, but at the same time the same file can be opened with paraview downloaded from the site. I saw a similar (same?) problem has a…

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## [Animation view dialog actions not captured in the trace](https://discourse.paraview.org/t/animation-view-dialog-actions-not-captured-in-the-trace/12509)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 0\
**Last updated:** [July 12, 2023, 3:35pm UTC](https://discourse.paraview.org/t/animation-view-dialog-actions-not-captured-in-the-trace/12509 "2023-07-12T15:35:05Z")

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I start a trace to capture the python code that results from manipulating the animation view dialogues (in particular I want to step the interpolation for a warp). None of that is captured in the trace.

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## [Data interpolation problem](https://discourse.paraview.org/t/data-interpolation-problem/12211)

<div class="topic-metadata">

**Author:** [@dosel](https://discourse.paraview.org/u/dosel)\
**Replies:** 0\
**Last updated:** [June 2, 2023, 2:57am UTC](https://discourse.paraview.org/t/data-interpolation-problem/12211 "2023-06-02T02:57:47Z")

</div>

Hello, I made this geomodel that visualizes the UCS data. And I want to add the volume that visulizes the expected UCS data which interpolated by GaussianKernel(IDW method). But as you see at the right side of this…

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## [pvpython Line Plot Labels](https://discourse.paraview.org/t/pvpython-line-plot-labels/11328)

<div class="topic-metadata">

**Author:** [@Neurospasm](https://discourse.paraview.org/u/Neurospasm)\
**Replies:** 0\
**Last updated:** [February 3, 2023, 6:18pm UTC](https://discourse.paraview.org/t/pvpython-line-plot-labels/11328 "2023-02-03T18:18:16Z")

</div>

Hello, I’m using Paraview (5.9.1) and using traces to automate some functionality in the creation of line plots in pvpython. I’ve noticed that axis titles and tick labels that look good in Paraview clash with one anothe…

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## [cannot open multiple files via command line](https://discourse.paraview.org/t/cannot-open-multiple-files-via-command-line/14614)

<div class="topic-metadata">

**Author:** [@NorbertHofbauer](https://discourse.paraview.org/u/NorbertHofbauer)\
**Replies:** 1\
**Last updated:** [May 14, 2024, 2:05pm UTC](https://discourse.paraview.org/t/cannot-open-multiple-files-via-command-line/14614 "2024-05-14T14:05:59Z")

</div>

Hi everyone, i am currently experiencing an issue with opening multiple files per command line. when i want to open paraview with the syntax ./paraview -data /home/user/coreform/first\_run/first\_run...vtpc i get the e…

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## [Mismatch of points/tuples between vtkmCleanGrid and its VTK-numpy-wrapper](https://discourse.paraview.org/t/mismatch-of-points-tuples-between-vtkmcleangrid-and-its-vtk-numpy-wrapper/17698)

<div class="topic-metadata">

**Author:** [@Bodacious](https://discourse.paraview.org/u/Bodacious)\
**Replies:** 8\
**Last updated:** [August 27, 2026, 6:21pm UTC](https://discourse.paraview.org/t/mismatch-of-points-tuples-between-vtkmcleangrid-and-its-vtk-numpy-wrapper/17698 "2026-08-27T18:21:49Z")

</div>

Hello, I have a vtkUnstructuredGrid dataset that I filter with a vtkmCleanGrid VTK object in a programmable filter, whose objective is to perform the divergence operator on the VTK-numpy wrapped output of the vtkmCleanGr…

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## [libEGL warning, unsure if I am using the server GPU](https://discourse.paraview.org/t/libegl-warning-unsure-if-i-am-using-the-server-gpu/15993)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 0\
**Last updated:** [January 16, 2025, 8:32pm UTC](https://discourse.paraview.org/t/libegl-warning-unsure-if-i-am-using-the-server-gpu/15993 "2025-01-16T20:32:33Z")

</div>

I have access to a remote box running Ubuntu 22 with an RTX A5000 I started pvserver (5.13.1) on the box and connected to it but I get the following I am connecting from a Windows box running Paraview 5.13.1 What step…

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## [DTI-esque color map for displaying vectors?](https://discourse.paraview.org/t/dti-esque-color-map-for-displaying-vectors/13876)

<div class="topic-metadata">

**Author:** [@kmadi](https://discourse.paraview.org/u/kmadi)\
**Replies:** 0\
**Last updated:** [February 5, 2024, 8:19pm UTC](https://discourse.paraview.org/t/dti-esque-color-map-for-displaying-vectors/13876 "2024-02-05T20:19:11Z")

</div>

Hello all, Apologies if this question has been asked before; I’m new to this software/site and I’m not much of a programmer. I’ve generated a VTK shape model embedded with 3D vector data at every vertex (via SlicerSALT…

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## [Regain volumetric meshes after surface extraction](https://discourse.paraview.org/t/regain-volumetric-meshes-after-surface-extraction/12912)

<div class="topic-metadata">

**Author:** [@orejournal](https://discourse.paraview.org/u/orejournal)\
**Replies:** 0\
**Last updated:** [September 22, 2023, 4:34pm UTC](https://discourse.paraview.org/t/regain-volumetric-meshes-after-surface-extraction/12912 "2023-09-22T16:34:19Z")

</div>

Hi all, To meet the import requirement of an external algorithm, I need to prepare a volumetric mesh in vtk format with different labelled parts of the model surface. By far, my workflow in Paraview V5.11.0 is: Extrac…

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## [particle tracing in a 2D-axisymmetric](https://discourse.paraview.org/t/particle-tracing-in-a-2d-axisymmetric/11517)

<div class="topic-metadata">

**Author:** [@saman89](https://discourse.paraview.org/u/saman89)\
**Replies:** 0\
**Last updated:** [February 27, 2023, 9:57pm UTC](https://discourse.paraview.org/t/particle-tracing-in-a-2d-axisymmetric/11517 "2023-02-27T21:57:57Z")

</div>

Particle tracing not work in the 2D-axisymmetric, when the seed source chooses on the axisymmetric axis. Is there any solution?

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## [Paraview crashes for xdmf file with anisotropic mesh](https://discourse.paraview.org/t/paraview-crashes-for-xdmf-file-with-anisotropic-mesh/16041)

<div class="topic-metadata">

**Author:** [@peete1](https://discourse.paraview.org/u/peete1)\
**Replies:** 2\
**Last updated:** [January 27, 2025, 5:29pm UTC](https://discourse.paraview.org/t/paraview-crashes-for-xdmf-file-with-anisotropic-mesh/16041 "2025-01-27T17:29:43Z")

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Good day, I am working on a Linux machine, trying to visualize a parameter/time-dependent function from an xdmf file. (The file is generated from the open-source FEM software FenicsX). The function is defined on a 3-di…

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## [Update to: Unable to render a StructuredGrid source using ProgrammableSource filter](https://discourse.paraview.org/t/update-to-unable-to-render-a-structuredgrid-source-using-programmablesource-filter/15663)

<div class="topic-metadata">

**Author:** [@jmb64](https://discourse.paraview.org/u/jmb64)\
**Replies:** 6\
**Last updated:** [October 31, 2024, 2:45pm UTC](https://discourse.paraview.org/t/update-to-unable-to-render-a-structuredgrid-source-using-programmablesource-filter/15663 "2024-10-31T14:45:32Z")

</div>

UPDATE: Thanks to Jean M. Favre suggestion in his 2019 post … Problem displaying Structured Grid when loading from Programmable Source “Problem displaying Structured Grid when loading from Programmable Source” Program…

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## [ParaView OpenFOAM not working](https://discourse.paraview.org/t/paraview-openfoam-not-working/14718)

<div class="topic-metadata">

**Author:** [@Vahid](https://discourse.paraview.org/u/Vahid)\
**Replies:** 1\
**Last updated:** [May 27, 2024, 7:31am UTC](https://discourse.paraview.org/t/paraview-openfoam-not-working/14718 "2024-05-27T07:31:09Z")

</div>

Hi Mathieu I installed OpenFoam version 10, but I had already installed Paraview, now it gives this error when opening files related to OpenFoam.

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## [select only faces (elements) on the front Zplane view thought python](https://discourse.paraview.org/t/select-only-faces-elements-on-the-front-zplane-view-thought-python/17234)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 3\
**Last updated:** [October 14, 2025, 3:22pm UTC](https://discourse.paraview.org/t/select-only-faces-elements-on-the-front-zplane-view-thought-python/17234 "2025-10-14T15:22:37Z")

</div>

Hello, I have the result of a clip (crinkle on), that looks like the following: this is the view in the Z+ (set view direction to Z+) I would like to select only the faces i can ‘see’ from this view, but programatic…

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## [How to select points from the filter](https://discourse.paraview.org/t/how-to-select-points-from-the-filter/13739)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 11:35am UTC](https://discourse.paraview.org/t/how-to-select-points-from-the-filter/13739 "2024-01-19T11:35:22Z")

</div>

Hello There is a way to select data from the filter on the server side PythonScript-\>Push("source = paraview.simple.GetActiveSource()"); PythonScript-\>Push("ClearSelection(source)"); StrPython = "SelectIDs(IDs=\[";…

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## [VTK Dataset creation from custom data](https://discourse.paraview.org/t/vtk-dataset-creation-from-custom-data/14925)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [June 26, 2024, 7:29am UTC](https://discourse.paraview.org/t/vtk-dataset-creation-from-custom-data/14925 "2024-06-26T07:29:06Z")

</div>

Hello, dear Mathieu! I have custom data in my own specific data format, and I want to convert it to VTK Dataset format. I know that original data was a mesh of hexahedrons, however my custom data format foes not contain…

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## [Could anybody give an example on usage PropertyLinks?](https://discourse.paraview.org/t/could-anybody-give-an-example-on-usage-propertylinks/14375)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [April 17, 2024, 10:28am UTC](https://discourse.paraview.org/t/could-anybody-give-an-example-on-usage-propertylinks/14375 "2024-04-17T10:28:00Z")

</div>

Hello! I ve come across a really confusing subject, property link this-\>addPropertyLink(widget, “value”, SIGNAL(valueChanged(int)), ivp); Could anyone please explain how to use those? Thanks!

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## [Cryptic error from hell: the same data is output by filter, but RenderView is not the same!!!](https://discourse.paraview.org/t/cryptic-error-from-hell-the-same-data-is-output-by-filter-but-renderview-is-not-the-same/14190)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [March 18, 2024, 3:35pm UTC](https://discourse.paraview.org/t/cryptic-error-from-hell-the-same-data-is-output-by-filter-but-renderview-is-not-the-same/14190 "2024-03-18T15:35:22Z")

</div>

Hello dear Paraview developers! I have faced an indeed, horrible, very cryptic error: I have my filter in two revisions which outputs some field data, but the SpreadSheetView1 is different. The data is indeed similar, …

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