# Top

**URL:** https://discourse.paraview.org/top.md?page=122&period=all

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**Page:** 123

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## [Paraview Catalyst on Windows](https://discourse.paraview.org/t/paraview-catalyst-on-windows/15450)

<div class="topic-metadata">

**Author:** [@gsabhishek](https://discourse.paraview.org/u/gsabhishek)\
**Replies:** 8\
**Last updated:** [May 13, 2025, 11:14am UTC](https://discourse.paraview.org/t/paraview-catalyst-on-windows/15450 "2025-05-13T11:14:23Z")

</div>

Hi, I installed the ParaView executable (ParaView-5.13.0-MPI-Windows-Python3.10-msvc2017-AMD64.msi) on Windows. To set the path to the CATALYST\_IMPLEMENTATION\_PATHS I set it to the catalyst.dll located at “Paraview 5.13…

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## [Animate relative change](https://discourse.paraview.org/t/animate-relative-change/12566)

<div class="topic-metadata">

**Author:** [@Rupert\_Gladstone](https://discourse.paraview.org/u/Rupert_Gladstone)\
**Replies:** 7\
**Last updated:** [July 24, 2023, 1:40pm UTC](https://discourse.paraview.org/t/animate-relative-change/12566 "2023-07-24T13:40:54Z")

</div>

Hi, I have a set of model outputs contained in .vtu and .pvtu files. There are a time series of n files. I would like to visualise the relative change over time for a given field (i.e. something like FieldName\_(t+1) - …

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## [Allocating stressdata to points](https://discourse.paraview.org/t/allocating-stressdata-to-points/7719)

<div class="topic-metadata">

**Author:** [@Rafeek\_Serhal](https://discourse.paraview.org/u/Rafeek_Serhal)\
**Replies:** 1\
**Last updated:** [December 30, 2021, 6:24am UTC](https://discourse.paraview.org/t/allocating-stressdata-to-points/7719 "2021-12-30T06:24:11Z")

</div>

Hello I am facing a probelm in vtu file format. I have my global stresses at the nodes in my sructure and I want to give these stresses to the nodes in paravaiew in this fomat " " However, my problem is in each time …

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## [MacOS ParaView 5.8.1-RC1 scipy issue](https://discourse.paraview.org/t/macos-paraview-5-8-1-rc1-scipy-issue/4878)

<div class="topic-metadata">

**Author:** [@MBG](https://discourse.paraview.org/u/MBG)\
**Replies:** 1\
**Last updated:** [July 19, 2020, 5:56pm UTC](https://discourse.paraview.org/t/macos-paraview-5-8-1-rc1-scipy-issue/4878 "2020-07-19T17:56:07Z")

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ERROR: In /Users/kitware/dashboards/buildbot-slave/9f496ada/source-paraview/VTK/Filters/Python/vtkPythonAlgorithm.cxx, line 112 vtkPythonAlgorithm (0x600000100820): Failure when calling method: "ProcessRequest": Traceba…

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## [Re-post: Error messages in ParaView when reading in Transient OpenFoam test case](https://discourse.paraview.org/t/re-post-error-messages-in-paraview-when-reading-in-transient-openfoam-test-case/2257)

<div class="topic-metadata">

**Author:** [@yek\_irani](https://discourse.paraview.org/u/yek_irani)\
**Replies:** 0\
**Last updated:** [July 19, 2019, 2:13am UTC](https://discourse.paraview.org/t/re-post-error-messages-in-paraview-when-reading-in-transient-openfoam-test-case/2257 "2019-07-19T02:13:51Z")

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Hello, This is a re-post of the following issue from the ParaView support forum: Error messages in ParaView 5.6.x when reading in Transient OpenFoam test case. I believe this to be a reproducible bug. Having obtained …

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## [Run paraview in Github Actions](https://discourse.paraview.org/t/run-paraview-in-github-actions/13101)

<div class="topic-metadata">

**Author:** [@RemDelaporteMathurin](https://discourse.paraview.org/u/RemDelaporteMathurin)\
**Replies:** 4\
**Last updated:** [October 27, 2023, 12:41pm UTC](https://discourse.paraview.org/t/run-paraview-in-github-actions/13101 "2023-10-27T12:41:19Z")

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Hi all, Recently I’ve been trying to automate my workflow. Everything works fine locally, now I would like to run paraview in a github action. visualisation.py from paraview.simple import \* ss = Sphere(Radius=2, The…

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## [How to select data on a certain surface](https://discourse.paraview.org/t/how-to-select-data-on-a-certain-surface/10361)

<div class="topic-metadata">

**Author:** [@Miraboreasau](https://discourse.paraview.org/u/Miraboreasau)\
**Replies:** 1\
**Last updated:** [September 21, 2022, 2:00pm UTC](https://discourse.paraview.org/t/how-to-select-data-on-a-certain-surface/10361 "2022-09-21T14:00:21Z")

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Hello, I have a box, and inside the box, there is a spherical surface (The inner boundary). I applied pressure to the node on this surface Can anyone help me with how to use the data filter to only see the data for the …

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## [Exporting array to Binary fomat crash](https://discourse.paraview.org/t/exporting-array-to-binary-fomat-crash/4618)

<div class="topic-metadata">

**Author:** [@Potson](https://discourse.paraview.org/u/Potson)\
**Replies:** 1\
**Last updated:** [June 19, 2020, 1:08am UTC](https://discourse.paraview.org/t/exporting-array-to-binary-fomat-crash/4618 "2020-06-19T01:08:12Z")

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Hello, I am using Paraview as a middle man to convert data from Ensight .sos files to binary format for further post-processing. In order to do so, I read the required data and save it to a 2D array. However when I try …

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## [Lines depth is wrong](https://discourse.paraview.org/t/lines-depth-is-wrong/4097)

<div class="topic-metadata">

**Author:** [@fciampoli](https://discourse.paraview.org/u/fciampoli)\
**Replies:** 1\
**Last updated:** [April 16, 2020, 7:52pm UTC](https://discourse.paraview.org/t/lines-depth-is-wrong/4097 "2020-04-16T19:52:32Z")

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It looks like lines depth is not calculated correctly in my ParaView desktop setup. I have attached an example image below from a CFD case. The image shows a wing with pressure contours on it and a slice in the flow fiel…

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## [How to operate to make the flow field smoother?](https://discourse.paraview.org/t/how-to-operate-to-make-the-flow-field-smoother/13591)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 2\
**Last updated:** [December 25, 2023, 6:39am UTC](https://discourse.paraview.org/t/how-to-operate-to-make-the-flow-field-smoother/13591 "2023-12-25T06:39:08Z")

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Hello researcher, I have a question. Why do the same operations display different cloud maps. As shown in the figure below, the first image appears relatively smooth and smooth, while the second image appears to have a g…

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## [build paraview for QNX system](https://discourse.paraview.org/t/build-paraview-for-qnx-system/9256)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 2\
**Last updated:** [June 4, 2022, 12:48am UTC](https://discourse.paraview.org/t/build-paraview-for-qnx-system/9256 "2022-06-04T00:48:38Z")

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QNX system are used for Electric vehicle and it is popular to show some 3D car model on touch screen, I am not sure can we cross compile paraview for QNX system? Dose this is supported or not? Anyone tried can give me …

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## [pvserver on multiple nodes](https://discourse.paraview.org/t/pvserver-on-multiple-nodes/8477)

<div class="topic-metadata">

**Author:** [@pavel](https://discourse.paraview.org/u/pavel)\
**Replies:** 0\
**Last updated:** [November 24, 2021, 8:59am UTC](https://discourse.paraview.org/t/pvserver-on-multiple-nodes/8477 "2021-11-24T08:59:51Z")

</div>

Hello, I try to run pvserver on two nodes (with Ubuntu 20.04) using mpiexec -n 2 --hosts hostname1,hostname2 pvserver and get an error: =========== 2021-11-24 11:32:52.094 ( 5.146s) \[ 7B911C40\] vtkMPICommuni…

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## [can not visualize paraview, doid get any errors command](https://discourse.paraview.org/t/can-not-visualize-paraview-doid-get-any-errors-command/2376)

<div class="topic-metadata">

**Author:** [@Vaya\_Putra](https://discourse.paraview.org/u/Vaya_Putra)\
**Replies:** 1\
**Last updated:** [August 8, 2019, 7:03pm UTC](https://discourse.paraview.org/t/can-not-visualize-paraview-doid-get-any-errors-command/2376 "2019-08-08T19:03:21Z")

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hi i make fine grid consist of 10000 cells and 20402 points(100x100x1) i define all properties offset,connectivity and types. and i did get command error, but when i visualize in paraview always like exit automatic si…

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## [superbuild error](https://discourse.paraview.org/t/superbuild-error/936)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 1\
**Last updated:** [November 21, 2018, 7:01pm UTC](https://discourse.paraview.org/t/superbuild-error/936 "2018-11-21T19:01:04Z")

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I am getting an install error when building v5.6.0 with superbuild (see below) as if there is a prefix missing in front of ‘/lib/python2.7’ my command is: cmake -DCMAKE\_INSTALL\_PREFIX=/scratch/leone/jfavre/ParaView/5.6…

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## [FEM data at gauss points](https://discourse.paraview.org/t/fem-data-at-gauss-points/6065)

<div class="topic-metadata">

**Author:** [@Janikus](https://discourse.paraview.org/u/Janikus)\
**Replies:** 0\
**Last updated:** [December 15, 2020, 1:14pm UTC](https://discourse.paraview.org/t/fem-data-at-gauss-points/6065 "2020-12-15T13:14:52Z")

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Hi all, I have written an FEM - Programm for bilinear quadrilateral Elements for structual analysis. As a preprocessor I am using GMSH, the processor is written in Matlab and I’d like to use ParaView as the postprocesso…

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## [recommended tests/examples to validate HPC installation, especially rendering](https://discourse.paraview.org/t/recommended-tests-examples-to-validate-hpc-installation-especially-rendering/12048)

<div class="topic-metadata">

**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 2\
**Last updated:** [August 25, 2023, 10:16am UTC](https://discourse.paraview.org/t/recommended-tests-examples-to-validate-hpc-installation-especially-rendering/12048 "2023-08-25T10:16:25Z")

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Hi, I want to run some ParaView and Catalyst2 tests and examples to validate a ParaView installation on a cluster\*. In particular I want to test rendering. What would you all recommend? Thanks in advance for any advic…

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## [Can I access toolbar instance from other code in its plugin?](https://discourse.paraview.org/t/can-i-access-toolbar-instance-from-other-code-in-its-plugin/4222)

<div class="topic-metadata">

**Author:** [@johnt](https://discourse.paraview.org/u/johnt)\
**Replies:** 2\
**Last updated:** [April 29, 2020, 7:06pm UTC](https://discourse.paraview.org/t/can-i-access-toolbar-instance-from-other-code-in-its-plugin/4222 "2020-04-29T19:06:15Z")

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I have a plugin that creates a toolbar using the cmake function paraview\_plugin\_add\_toolbar(). Is there a way that other code in my plugin can access and call methods on the toolbar instance that gets created by paraview…

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## [importing vtp files to paraview](https://discourse.paraview.org/t/importing-vtp-files-to-paraview/17192)

<div class="topic-metadata">

**Author:** [@Zuhir\_Ja](https://discourse.paraview.org/u/Zuhir_Ja)\
**Replies:** 4\
**Last updated:** [September 22, 2025, 11:30pm UTC](https://discourse.paraview.org/t/importing-vtp-files-to-paraview/17192 "2025-09-22T23:30:26Z")

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Hi, I am fairly new to Paraview. While working with openfast i use paraview for visualization purposes. However, Openfast does not output the wind field so i used the inflow dvr to make it. This outputs the field in vtp…

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## [Python Plugin Filter UI Missing Boolean (Checkbox)](https://discourse.paraview.org/t/python-plugin-filter-ui-missing-boolean-checkbox/14099)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 4\
**Last updated:** [March 7, 2024, 7:06pm UTC](https://discourse.paraview.org/t/python-plugin-filter-ui-missing-boolean-checkbox/14099 "2024-03-07T19:06:59Z")

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I recently updated to ParaView 5.12.0 and found that a custom reader is now missing an element of the UI. Specifically, the “Pad Data” checkbox at the bottom of the properties is no longer visible. Otherwise the plugin …

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## [Horizontal color bar with vertical tick labels](https://discourse.paraview.org/t/horizontal-color-bar-with-vertical-tick-labels/17356)

<div class="topic-metadata">

**Author:** [@Sam\_Austin](https://discourse.paraview.org/u/Sam_Austin)\
**Replies:** 7\
**Last updated:** [December 11, 2025, 5:45pm UTC](https://discourse.paraview.org/t/horizontal-color-bar-with-vertical-tick-labels/17356 "2025-12-11T17:45:20Z")

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I am working with a horizontal colorbar. How can I rotate the numbers to run vertically instead of being displayed horizontally like they are currently? They are all smashed into each other. I want to be able to do somet…

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## [How can I apply a streamtrace to a 2D csv file?](https://discourse.paraview.org/t/how-can-i-apply-a-streamtrace-to-a-2d-csv-file/6190)

<div class="topic-metadata">

**Author:** [@dr\_pfeffier](https://discourse.paraview.org/u/dr_pfeffier)\
**Replies:** 1\
**Last updated:** [January 11, 2021, 9:16am UTC](https://discourse.paraview.org/t/how-can-i-apply-a-streamtrace-to-a-2d-csv-file/6190 "2021-01-11T09:16:37Z")

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I’ve looked through the other available posts on here, but none of the suggestions work. I have a structured table with columns X, Y, n, u0, a, \[…\] where my data is 2-Dimensional. I would like to apply a stream trace t…

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## [Paraview: segment fault in libvtkFiltersCore-pv5.12.so.1 when using Find Data on MacOS and Linux Server](https://discourse.paraview.org/t/paraview-segment-fault-in-libvtkfilterscore-pv5-12-so-1-when-using-find-data-on-macos-and-linux-server/14302)

<div class="topic-metadata">

**Author:** [@Yang](https://discourse.paraview.org/u/Yang)\
**Replies:** 6\
**Last updated:** [July 16, 2024, 2:19pm UTC](https://discourse.paraview.org/t/paraview-segment-fault-in-libvtkfilterscore-pv5-12-so-1-when-using-find-data-on-macos-and-linux-server/14302 "2024-07-16T14:19:33Z")

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I generated a dataset consisting of spheres with point data f and g. The data is provided below. It was loaded into ParaView in client/server mode. The server was initiated using pvserver without employing mpiexec. Subs…

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## [Status of Catalyst V2 Python API](https://discourse.paraview.org/t/status-of-catalyst-v2-python-api/11211)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 2\
**Last updated:** [April 24, 2023, 1:05am UTC](https://discourse.paraview.org/t/status-of-catalyst-v2-python-api/11211 "2023-04-24T01:05:14Z")

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It doesn’t look like the Catalyst V2 (i.e. the generic interface using Conduit) has a Python API. Am I incorrect about this? If there isn’t a Catalyst V2 Python API yet then what is the status of creating one?

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## [Remote\_visualization\_using\_paraview](https://discourse.paraview.org/t/remote-visualization-using-paraview/8494)

<div class="topic-metadata">

**Author:** [@Aakash](https://discourse.paraview.org/u/Aakash)\
**Replies:** 2\
**Last updated:** [November 26, 2021, 8:22am UTC](https://discourse.paraview.org/t/remote-visualization-using-paraview/8494 "2021-11-26T08:22:05Z")

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Hi everyone, Could anyone please suggest me if there is a possibility to do remote visualization using paraview? I do all my simulations on a remote workstation connected to my PC via ssh key. It would be nice if there …

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## [Paraview hangs (and hangs all open Terminals) on MacOSX (High SIerra) with remote-connect](https://discourse.paraview.org/t/paraview-hangs-and-hangs-all-open-terminals-on-macosx-high-sierra-with-remote-connect/5376)

<div class="topic-metadata">

**Author:** [@pancha](https://discourse.paraview.org/u/pancha)\
**Replies:** 2\
**Last updated:** [September 18, 2020, 3:04pm UTC](https://discourse.paraview.org/t/paraview-hangs-and-hangs-all-open-terminals-on-macosx-high-sierra-with-remote-connect/5376 "2020-09-18T15:04:20Z")

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Hi, When I open and link paraview to an external server (RHEA@OLCF in my case), it pops a terminal asking for a passwd, as it should, but immediately hangs (MacOSX complains that ‘application not responding’), so I cann…

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## [Capturing screenshot of ray traced object from python script](https://discourse.paraview.org/t/capturing-screenshot-of-ray-traced-object-from-python-script/10262)

<div class="topic-metadata">

**Author:** [@Akro](https://discourse.paraview.org/u/Akro)\
**Replies:** 3\
**Last updated:** [September 8, 2022, 7:11am UTC](https://discourse.paraview.org/t/capturing-screenshot-of-ray-traced-object-from-python-script/10262 "2022-09-08T07:11:59Z")

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Hi, I’m trying to run a python script that renders a mesh by using ray tracing (either OSPRay or OptiX) engine, followed by screen capturing of the rendered window. My problem is that the rendering process takes some ti…

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## [Updating Remote Render Window based on Timed Thread](https://discourse.paraview.org/t/updating-remote-render-window-based-on-timed-thread/7304)

<div class="topic-metadata">

**Author:** [@mbm](https://discourse.paraview.org/u/mbm)\
**Replies:** 0\
**Last updated:** [May 27, 2021, 11:37am UTC](https://discourse.paraview.org/t/updating-remote-render-window-based-on-timed-thread/7304 "2021-05-27T11:37:36Z")

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I am trying to accomplish the exact same thing as the OP. I am using a paraview server in python as the back end. The problem comes when I try to update the render from the timed thread. At first I tried something lik…

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## [Crash pvserver when open file with mpi](https://discourse.paraview.org/t/crash-pvserver-when-open-file-with-mpi/6199)

<div class="topic-metadata">

**Author:** [@SADA](https://discourse.paraview.org/u/SADA)\
**Replies:** 3\
**Last updated:** [January 12, 2021, 9:20am UTC](https://discourse.paraview.org/t/crash-pvserver-when-open-file-with-mpi/6199 "2021-01-12T09:20:34Z")

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Hi, I want to open CASE file. The file size is 2.5GB including other files. When I use 1core, I can open it. But I use over 14core, I can’t open it. And crash pvserver. Do you know the solution? The machine which wor…

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## [2D finite element data visualization](https://discourse.paraview.org/t/2d-finite-element-data-visualization/7628)

<div class="topic-metadata">

**Author:** [@AliRezaRaz](https://discourse.paraview.org/u/AliRezaRaz)\
**Replies:** 1\
**Last updated:** [August 3, 2021, 9:47am UTC](https://discourse.paraview.org/t/2d-finite-element-data-visualization/7628 "2021-08-03T09:47:00Z")

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Hi, I have a data file showing the x and y coordinates of the points with a connectivity list followed. The data is in .tec format and in the header I have, VARIABLES = “X”,“Y” ZONE N = 52, E=51, F=FEPOINT, ET= coord…

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## [vtkSi source proxy 0x56b01ba0d90 : failed to create vtkxdmfreader aborting for debugging purposes](https://discourse.paraview.org/t/vtksi-source-proxy-0x56b01ba0d90-failed-to-create-vtkxdmfreader-aborting-for-debugging-purposes/6156)

<div class="topic-metadata">

**Author:** [@milad](https://discourse.paraview.org/u/milad)\
**Replies:** 1\
**Last updated:** [January 4, 2021, 12:11pm UTC](https://discourse.paraview.org/t/vtksi-source-proxy-0x56b01ba0d90-failed-to-create-vtkxdmfreader-aborting-for-debugging-purposes/6156 "2021-01-04T12:11:53Z")

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Hi Every one! I used to use VM Ubuntu to run Paraview and I had no problem. Now I am trying to use X2Go which is much easier to use. I can open Paraview without problem but when I want to load a controlDict on it to ana…

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## [help with raw data visualization](https://discourse.paraview.org/t/help-with-raw-data-visualization/14950)

<div class="topic-metadata">

**Author:** [@gurgite](https://discourse.paraview.org/u/gurgite)\
**Replies:** 5\
**Last updated:** [July 4, 2024, 2:50pm UTC](https://discourse.paraview.org/t/help-with-raw-data-visualization/14950 "2024-07-04T14:50:41Z")

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Hallo. Sorry to bother but I’m really stuck with importing 3D images (confocal fluorescence microscopy data) from Fiji. I finally managed to open the .raw file without error messages, still I simply can’t see anything in…

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## [paraFOAM installation Error](https://discourse.paraview.org/t/parafoam-installation-error/14090)

<div class="topic-metadata">

**Author:** [@junius](https://discourse.paraview.org/u/junius)\
**Replies:** 4\
**Last updated:** [March 6, 2024, 11:18am UTC](https://discourse.paraview.org/t/parafoam-installation-error/14090 "2024-03-06T11:18:25Z")

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Hello, everyone: I am using OpenFoam-11 ThirdParty-MakeparaView function to compile ParaView function, but I encountered some problems. I want to ask how to install it successfully? \[100%\] Built target NodeEditor /usr/…

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## [Catalyst v5.9 issues](https://discourse.paraview.org/t/catalyst-v5-9-issues/5882)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 1\
**Last updated:** [November 25, 2020, 2:28pm UTC](https://discourse.paraview.org/t/catalyst-v5-9-issues/5882 "2020-11-25T14:28:22Z")

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I’ve been doing more testing of the Catalyst changes and wanted to report what I’ve found: It looks like the VTPD writer/reader is now properly writing out and reading in field data and this is being used to deal with …

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## [Scene export - developing additional format](https://discourse.paraview.org/t/scene-export-developing-additional-format/715)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [October 12, 2018, 4:28am UTC](https://discourse.paraview.org/t/scene-export-developing-additional-format/715 "2018-10-12T04:28:12Z")

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Hi, I wish to add a new scene export format for Paraview. Is this something that can be done via a Python/C++ plugin for Paraview or do I have to make the change at the Paraview source code level and do a full recompile…

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## [Paraview crashes when opneing xdmf files from dolfinx](https://discourse.paraview.org/t/paraview-crashes-when-opneing-xdmf-files-from-dolfinx/15581)

<div class="topic-metadata">

**Author:** [@Skonki](https://discourse.paraview.org/u/Skonki)\
**Replies:** 3\
**Last updated:** [October 21, 2024, 9:39am UTC](https://discourse.paraview.org/t/paraview-crashes-when-opneing-xdmf-files-from-dolfinx/15581 "2024-10-21T09:39:21Z")

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Continuing the discussion from Paraview crashes when opening xdmf files created with FEniCSx: I am facing a very similar problem. My code crashes either when I want to visualize the results or when i want to apply the p…

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## [ParaView 5.8.1-RC2 is now available for download](https://discourse.paraview.org/t/paraview-5-8-1-rc2-is-now-available-for-download/4901)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 0\
**Last updated:** [July 20, 2020, 1:43pm UTC](https://discourse.paraview.org/t/paraview-5-8-1-rc2-is-now-available-for-download/4901 "2020-07-20T13:43:20Z")

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The ParaView development team has made ParaView 5.8.1-RC2 available for download and testing. ParaView 5.8.1 has many bug fixes for issues found in ParaView 5.8.0 and previous versions. Please try it out and report any…

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## [Animate a Programmable Filter using GetActiveCamera](https://discourse.paraview.org/t/animate-a-programmable-filter-using-getactivecamera/14647)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 5\
**Last updated:** [July 11, 2024, 6:55pm UTC](https://discourse.paraview.org/t/animate-a-programmable-filter-using-getactivecamera/14647 "2024-07-11T18:55:26Z")

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I need to do something odd. I want to compute field quantities based on the active camera position and orientation. I have a prototype working, where I use a Programmable Filter to compute these quantities based on GetAc…

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## [How to Run a Macro without cleanup python object after running](https://discourse.paraview.org/t/how-to-run-a-macro-without-cleanup-python-object-after-running/4423)

<div class="topic-metadata">

**Author:** [@ymjia](https://discourse.paraview.org/u/ymjia)\
**Replies:** 1\
**Last updated:** [March 18, 2021, 1:14am UTC](https://discourse.paraview.org/t/how-to-run-a-macro-without-cleanup-python-object-after-running/4423 "2021-03-18T01:14:45Z")

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Hi guys, I am writing a python scripts with a PyQt Dialog, It works well through pythonShell-\>run scripts, then I try to add it as a macro for convenience, It seems that PyQt object get cleanup right after macro run, an…

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## [Does ParaviewWeb implement the VTK pick function?](https://discourse.paraview.org/t/does-paraviewweb-implement-the-vtk-pick-function/6179)

<div class="topic-metadata">

**Author:** [@jone](https://discourse.paraview.org/u/jone)\
**Replies:** 1\
**Last updated:** [January 7, 2021, 4:07pm UTC](https://discourse.paraview.org/t/does-paraviewweb-implement-the-vtk-pick-function/6179 "2021-01-07T16:07:56Z")

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I now need to implement a function that uses the mouse to pick up the data displayed in the Canvas.I observe that VTK has already defined the method of point pick and cell pick, if this is already encapsulated, can we ad…

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## [ParaView RenderViews question](https://discourse.paraview.org/t/paraview-renderviews-question/9009)

<div class="topic-metadata">

**Author:** [@callista](https://discourse.paraview.org/u/callista)\
**Replies:** 2\
**Last updated:** [February 18, 2022, 1:20pm UTC](https://discourse.paraview.org/t/paraview-renderviews-question/9009 "2022-02-18T13:20:14Z")

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Hi everyone, I want to represent each of these 3 files separately in terms of their color bars since they are different variables, but they seem connected in these Render Views. Can someone help me with these same ba…

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## [Downstream Filter add coloring array to upstream data](https://discourse.paraview.org/t/downstream-filter-add-coloring-array-to-upstream-data/6510)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 2\
**Last updated:** [February 28, 2021, 11:44am UTC](https://discourse.paraview.org/t/downstream-filter-add-coloring-array-to-upstream-data/6510 "2021-02-28T11:44:23Z")

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I know it is not recommended that change input data by filter, but due to some special reason (my GUI picker can only recognize and pick initial data, and cannot work for new copy from filter) I need add some new colorin…

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## [STEP files limitation](https://discourse.paraview.org/t/step-files-limitation/16424)

<div class="topic-metadata">

**Author:** [@Nourelden](https://discourse.paraview.org/u/Nourelden)\
**Replies:** 3\
**Last updated:** [April 3, 2025, 12:33pm UTC](https://discourse.paraview.org/t/step-files-limitation/16424 "2025-04-03T12:33:58Z")

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Hello, I am using ParaView 5.13.2 and encountering issues when opening STEP files with the STEPReader. The reader shown as OCCTReader gets stuck at a certain loading percentage and remains in this state for a long time.…

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## [Mobile clips filter in Paraview](https://discourse.paraview.org/t/mobile-clips-filter-in-paraview/13407)

<div class="topic-metadata">

**Author:** [@Santhosh\_Virappane](https://discourse.paraview.org/u/Santhosh_Virappane)\
**Replies:** 3\
**Last updated:** [December 9, 2023, 2:00am UTC](https://discourse.paraview.org/t/mobile-clips-filter-in-paraview/13407 "2023-12-09T02:00:35Z")

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Hello All, Hope you’re doing well. I am contacting you to know if there is a way to get mobile clips filter. I have a specific emulsion that I want to follow along the channel in order to compute certain parameters (Sh…

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## [sha filename length breaking on ext4 filesystem](https://discourse.paraview.org/t/sha-filename-length-breaking-on-ext4-filesystem/10294)

<div class="topic-metadata">

**Author:** [@carsonsbrownlee](https://discourse.paraview.org/u/carsonsbrownlee)\
**Replies:** 3\
**Last updated:** [September 13, 2022, 11:01am UTC](https://discourse.paraview.org/t/sha-filename-length-breaking-on-ext4-filesystem/10294 "2022-09-13T11:01:44Z")

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when running “git clone https://gitlab.kitware.com/paraview/paraview.git” on a recent version of paraview: “error: unable to create file Clients/ParaView/Testing/Data/Baseline/.ExternalData\_SHA512\_666010fefb7a8a9f3d15a5d…

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## [Calculation of Eigenvectors](https://discourse.paraview.org/t/calculation-of-eigenvectors/7810)

<div class="topic-metadata">

**Author:** [@poulami](https://discourse.paraview.org/u/poulami)\
**Replies:** 0\
**Last updated:** [August 12, 2021, 3:26pm UTC](https://discourse.paraview.org/t/calculation-of-eigenvectors/7810 "2021-08-12T15:26:17Z")

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Hello! I am trying to calculate the eigenvector of a tensor having components strain\_xx, strain\_xy, strain\_yx and strain\_yy using the python calculator. I have given the following expression, but did not work. eigenvec…

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## [Looking for 4.4 source](https://discourse.paraview.org/t/looking-for-4-4-source/4875)

<div class="topic-metadata">

**Author:** [@mahmoodn](https://discourse.paraview.org/u/mahmoodn)\
**Replies:** 3\
**Last updated:** [July 17, 2020, 4:25pm UTC](https://discourse.paraview.org/t/looking-for-4-4-source/4875 "2020-07-17T16:25:13Z")

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Hi I am looking for the 4.4 source for compiling on linux. But I can not find it at https://www.paraview.org/download Am I missing something?

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## [Which unstructured grid volume rendering algorithms do you use?](https://discourse.paraview.org/t/which-unstructured-grid-volume-rendering-algorithms-do-you-use/4659)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 1\
**Last updated:** [June 24, 2020, 4:19pm UTC](https://discourse.paraview.org/t/which-unstructured-grid-volume-rendering-algorithms-do-you-use/4659 "2020-06-24T16:19:34Z")

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If you do volume rendering of unstructured grids with ParaView, please tell us which method you use by filling out this poll. If you do not use one of the methods because it is buggy but you would like to use it, please …

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## [How to make python script variables available in interactive python shell (like in 5.4.1)](https://discourse.paraview.org/t/how-to-make-python-script-variables-available-in-interactive-python-shell-like-in-5-4-1/4057)

<div class="topic-metadata">

**Author:** [@aerogt3](https://discourse.paraview.org/u/aerogt3)\
**Replies:** 1\
**Last updated:** [April 14, 2020, 2:58am UTC](https://discourse.paraview.org/t/how-to-make-python-script-variables-available-in-interactive-python-shell-like-in-5-4-1/4057 "2020-04-14T02:58:40Z")

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Hello, In version 5.4.1 of paraview, when launching paraview (GUI) with a python script input, the python script variables are available within paraview’s python shell. This is an extremely cool feature, especially for …

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## [How to load several vtk files with a loop to create generealized macro](https://discourse.paraview.org/t/how-to-load-several-vtk-files-with-a-loop-to-create-generealized-macro/10754)

<div class="topic-metadata">

**Author:** [@RoLe](https://discourse.paraview.org/u/RoLe)\
**Replies:** 0\
**Last updated:** [November 15, 2022, 11:09am UTC](https://discourse.paraview.org/t/how-to-load-several-vtk-files-with-a-loop-to-create-generealized-macro/10754 "2022-11-15T11:09:06Z")

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Hi, I have recorded a macro for creating a video to be saved as an .avi file. I would like to customize this so that I can use the one macro for several folders to create the videos respectively. Each folder has 2000 .v…

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## [appropriate representation and settings for screenshot of 3d mesh](https://discourse.paraview.org/t/appropriate-representation-and-settings-for-screenshot-of-3d-mesh/14071)

<div class="topic-metadata">

**Author:** [@simonw](https://discourse.paraview.org/u/simonw)\
**Replies:** 2\
**Last updated:** [March 2, 2024, 6:45am UTC](https://discourse.paraview.org/t/appropriate-representation-and-settings-for-screenshot-of-3d-mesh/14071 "2024-03-02T06:45:31Z")

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Here is a .vtk file containing a 3d mesh. tria.vtk (183.3 KB) I want to create a high-quality screenshot of the mesh for a publication. Using default settings and Surface With Edges representation, I get Loading th…

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