# Top

**URL:** https://discourse.paraview.org/top.md?page=37&period=all

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**Page:** 38

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## [Volume render with transparent surface changes the scene colours.](https://discourse.paraview.org/t/volume-render-with-transparent-surface-changes-the-scene-colours/10109)

<div class="topic-metadata">

**Author:** [@CJBright](https://discourse.paraview.org/u/CJBright)\
**Replies:** 5\
**Last updated:** [August 9, 2022, 8:05pm UTC](https://discourse.paraview.org/t/volume-render-with-transparent-surface-changes-the-scene-colours/10109 "2022-08-09T20:05:21Z")

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Hi there, I am having issues when displaying a volumetric dataset and a transparent dataset at the same time. I have uploaded an example dataset, a python script to replicate the problem, and a few screenshots to a Goo…

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## [Need any example with FIlter using inside the Programmable Filter](https://discourse.paraview.org/t/need-any-example-with-filter-using-inside-the-programmable-filter/1386)

<div class="topic-metadata">

**Author:** [@Allrond](https://discourse.paraview.org/u/Allrond)\
**Replies:** 4\
**Last updated:** [August 18, 2021, 12:27pm UTC](https://discourse.paraview.org/t/need-any-example-with-filter-using-inside-the-programmable-filter/1386 "2021-08-18T12:27:20Z")

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I cant find no example with calling vtk filters inside th programmable filter. 1)Created filter should not be in ParaView Pipeline Browser. 2)It can be Glyph filter or Cutter filter or Threshold or ExtractSubset for …

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## [MeshQuality and checkMesh in Paraview](https://discourse.paraview.org/t/meshquality-and-checkmesh-in-paraview/3073)

<div class="topic-metadata">

**Author:** [@Kai\_himself](https://discourse.paraview.org/u/Kai_himself)\
**Replies:** 1\
**Last updated:** [November 29, 2019, 9:00am UTC](https://discourse.paraview.org/t/meshquality-and-checkmesh-in-paraview/3073 "2019-11-29T09:00:45Z")

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Hello, im trying to visualise and check the quality of my mesh. The filter MeshQuality doesn’t really help me. I read this paper to understand what MeshQuality does. Is it possible to check the mesh like in this vide…

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## [Trouble with Windows Build (master)](https://discourse.paraview.org/t/trouble-with-windows-build-master/11159)

<div class="topic-metadata">

**Author:** [@Will](https://discourse.paraview.org/u/Will)\
**Replies:** 8\
**Last updated:** [March 9, 2023, 6:30am UTC](https://discourse.paraview.org/t/trouble-with-windows-build-master/11159 "2023-03-09T06:30:59Z")

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I am trying to build ParaView for visualising openCFS outputs, so needing the CFSReader plugin, but am new to using open source software (so might be missing something very obvious). The following issue is coming up for …

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## [Understanding how to build a vtkUnstructuredGrid](https://discourse.paraview.org/t/understanding-how-to-build-a-vtkunstructuredgrid/7879)

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**Author:** [@mdorier](https://discourse.paraview.org/u/mdorier)\
**Replies:** 4\
**Last updated:** [August 27, 2021, 4:34pm UTC](https://discourse.paraview.org/t/understanding-how-to-build-a-vtkunstructuredgrid/7879 "2021-08-27T16:34:27Z")

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I’m new to working with unstructured grids. I am reading some files with the meshio python package, which gives me a mesh object. I can extract numpy arrays from this mesh object, and pass them to a C++ library that I ma…

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## [vtkCommonCorePython missing error in python3-paraview on Ubuntu 20](https://discourse.paraview.org/t/vtkcommoncorepython-missing-error-in-python3-paraview-on-ubuntu-20/5452)

<div class="topic-metadata">

**Author:** [@johnr](https://discourse.paraview.org/u/johnr)\
**Replies:** 3\
**Last updated:** [March 23, 2021, 10:56am UTC](https://discourse.paraview.org/t/vtkcommoncorepython-missing-error-in-python3-paraview-on-ubuntu-20/5452 "2021-03-23T10:56:40Z")

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I’m trying to use paraview scripting within python3 for Ubuntu 20.04.1 LTS. If I open python3 on the command line I get the error $\> python3 Python 3.8.2 (default, Jul 16 2020, 14:00:26) \[GCC 9.3.0\] on linux Type “he…

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## [Node positions of high-order Lagrange quadrilateral cells](https://discourse.paraview.org/t/node-positions-of-high-order-lagrange-quadrilateral-cells/7012)

<div class="topic-metadata">

**Author:** [@sloede](https://discourse.paraview.org/u/sloede)\
**Replies:** 5\
**Last updated:** [April 22, 2021, 2:52pm UTC](https://discourse.paraview.org/t/node-positions-of-high-order-lagrange-quadrilateral-cells/7012 "2021-04-22T14:52:35Z")

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Hi there! We are trying to use the high-order Lagrange VTK cells first (?) presented in this blog post. We’ve had some success in getting curved 4th-order VTK\_LAGRANGE\_QUADRILATERAL cells to be visualized in ParaView, b…

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## [How to access to pvserver files from Python shell](https://discourse.paraview.org/t/how-to-access-to-pvserver-files-from-python-shell/2573)

<div class="topic-metadata">

**Author:** [@s1291](https://discourse.paraview.org/u/s1291)\
**Replies:** 8\
**Last updated:** [September 17, 2019, 4:22pm UTC](https://discourse.paraview.org/t/how-to-access-to-pvserver-files-from-python-shell/2573 "2019-09-17T16:22:20Z")

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In my server machine I am running pvserver: mpiexec -np 12 pvserver On my local machine I could easily connect to the server machine and from File \> Open I could browse files on the server but when I run Python Shell (V…

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## [Build failure on Ubuntu 20.04.2 ARM64](https://discourse.paraview.org/t/build-failure-on-ubuntu-20-04-2-arm64/7669)

<div class="topic-metadata">

**Author:** [@mgrigorov](https://discourse.paraview.org/u/mgrigorov)\
**Replies:** 5\
**Last updated:** [July 23, 2021, 4:38pm UTC](https://discourse.paraview.org/t/build-failure-on-ubuntu-20-04-2-arm64/7669 "2021-07-23T16:38:17Z")

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Hello, Initially I reported this issue at 0003696: Build failure on Linux ARM64 for ThirdParty-dev - OpenFOAM Issue Tracking but I’ve been recommended to discuss it here. I am trying to build OpenFOAM on Ubuntu 20.04.2…

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## [Matplotlib conflict](https://discourse.paraview.org/t/matplotlib-conflict/13551)

<div class="topic-metadata">

**Author:** [@janduigamer13](https://discourse.paraview.org/u/janduigamer13)\
**Replies:** 3\
**Last updated:** [December 19, 2023, 1:55pm UTC](https://discourse.paraview.org/t/matplotlib-conflict/13551 "2023-12-19T13:55:14Z")

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Hello there, could someone help me to fix a problem related with the version of matplotlib that ParaView installed in my ubuntu machine? I have installed paraview using sudo command, and when i tried to run another code …

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## [Best practice to read files in parallel](https://discourse.paraview.org/t/best-practice-to-read-files-in-parallel/1929)

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**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 8\
**Last updated:** [June 22, 2026, 1:22pm UTC](https://discourse.paraview.org/t/best-practice-to-read-files-in-parallel/1929 "2026-06-22T13:22:09Z")

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Dear Experts, I created my own reader plugins which can read raw data from files and convert data into vtk data successfully. However, in my situation, there will be a large number of files, so i want to use MPI to rea…

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## [paraview.simple Namesspace in IDE (e.g. Pycharm)](https://discourse.paraview.org/t/paraview-simple-namesspace-in-ide-e-g-pycharm/5531)

<div class="topic-metadata">

**Author:** [@Mezzerine](https://discourse.paraview.org/u/Mezzerine)\
**Replies:** 6\
**Last updated:** [October 14, 2020, 2:49pm UTC](https://discourse.paraview.org/t/paraview-simple-namesspace-in-ide-e-g-pycharm/5531 "2020-10-14T14:49:35Z")

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Hi all, I use an IDE (Pycharm) to develop some postprocessing scripts with Python for Paraview. It starts to complain that it cannot resolve references, this is logical since the paraview.simple module is only available…

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## [Error importing transient OpenFoam (.foam) decomposed data with Paraview on Windows 10 platform](https://discourse.paraview.org/t/error-importing-transient-openfoam-foam-decomposed-data-with-paraview-on-windows-10-platform/2138)

<div class="topic-metadata">

**Author:** [@yek\_irani](https://discourse.paraview.org/u/yek_irani)\
**Replies:** 4\
**Last updated:** [July 24, 2019, 11:42am UTC](https://discourse.paraview.org/t/error-importing-transient-openfoam-foam-decomposed-data-with-paraview-on-windows-10-platform/2138 "2019-07-24T11:42:44Z")

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Hi, I posted the message below 20 days ago. I have not received a response. If someone has experience with this issue, I would be grateful if you could respond. Thanks. I am sorry if this matter has already been raised…

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## [Calculator issue with LAMMPS dump file.](https://discourse.paraview.org/t/calculator-issue-with-lammps-dump-file/303)

<div class="topic-metadata">

**Author:** [@Shane\_Jackson](https://discourse.paraview.org/u/Shane_Jackson)\
**Replies:** 7\
**Last updated:** [July 17, 2018, 1:01pm UTC](https://discourse.paraview.org/t/calculator-issue-with-lammps-dump-file/303 "2018-07-17T13:01:45Z")

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Hello, I have a LAMMPS dumpfile of the form: Id Type x y z vx vy vz When I use the calculator filter I cannot use any of the imported variables. If I try to make a vector out of the velocity parameters I get the foll…

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## [Error on reading .vtk file for every time step but at the same line number](https://discourse.paraview.org/t/error-on-reading-vtk-file-for-every-time-step-but-at-the-same-line-number/8241)

<div class="topic-metadata">

**Author:** [@spy](https://discourse.paraview.org/u/spy)\
**Replies:** 4\
**Last updated:** [May 25, 2022, 1:32pm UTC](https://discourse.paraview.org/t/error-on-reading-vtk-file-for-every-time-step-but-at-the-same-line-number/8241 "2022-05-25T13:32:43Z")

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Generic Warning: In C:\\glr\\builds\\paraview\\paraview-ci\\build\\superbuild\\paraview\\src\\VTK\\IO\\Legacy\\vtkDataReader.cxx, line 1506 Error reading ascii data. Possible mismatch of datasize with declaration. ERROR: In C:\\glr…

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## [Reducing 3D data to 1D](https://discourse.paraview.org/t/reducing-3d-data-to-1d/3561)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 8\
**Last updated:** [February 28, 2020, 2:35am UTC](https://discourse.paraview.org/t/reducing-3d-data-to-1d/3561 "2020-02-28T02:35:20Z")

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I have some 3D data that I need to average out across two dimensions. Specifically, I have an XYZ representation of something that is spherically symmetric, and I want to compute the average value of a cell quantity acro…

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## [Volume Viz with Multi Component Color/Opacity Mapping in Paraview 5.6.0-RC2](https://discourse.paraview.org/t/volume-viz-with-multi-component-color-opacity-mapping-in-paraview-5-6-0-rc2/649)

<div class="topic-metadata">

**Author:** [@bzehner](https://discourse.paraview.org/u/bzehner)\
**Replies:** 5\
**Last updated:** [October 1, 2025, 8:35am UTC](https://discourse.paraview.org/t/volume-viz-with-multi-component-color-opacity-mapping-in-paraview-5-6-0-rc2/649 "2025-10-01T08:35:53Z")

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Dear all, I just saw, that the newest release of Paraview supports 2D Transfer functions for volume rendering which maps data with 2 components by applying the colormap to the first component to determine colour and the…

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## [Glyph problem with paraview 5.6](https://discourse.paraview.org/t/glyph-problem-with-paraview-5-6/1204)

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**Author:** [@JULIO\_SOTELO](https://discourse.paraview.org/u/JULIO_SOTELO)\
**Replies:** 2\
**Last updated:** [February 1, 2019, 2:40pm UTC](https://discourse.paraview.org/t/glyph-problem-with-paraview-5-6/1204 "2019-02-01T14:40:04Z")

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Dear, I founded a problem with the glyph tool, in version 5.6 when I try to create a glyph (arrows) from a velocity vectors field map, I generate the arrows with the correct scale, but when I try to include information …

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## [Paraview Glance error message on Windows 10](https://discourse.paraview.org/t/paraview-glance-error-message-on-windows-10/2748)

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**Author:** [@bflandard](https://discourse.paraview.org/u/bflandard)\
**Replies:** 7\
**Last updated:** [July 3, 2020, 8:46pm UTC](https://discourse.paraview.org/t/paraview-glance-error-message-on-windows-10/2748 "2020-07-03T20:46:45Z")

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Hello, Using ParaView 5.7.0 on Windows 10, following the instructions here and using data from “example visualizations” from the help menu, I get the following error message during the save process: ERROR: In C:\\bb…

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## [Paraview & Tecplot Files](https://discourse.paraview.org/t/paraview-tecplot-files/10622)

<div class="topic-metadata">

**Author:** [@ckm931](https://discourse.paraview.org/u/ckm931)\
**Replies:** 3\
**Last updated:** [July 24, 2023, 9:18am UTC](https://discourse.paraview.org/t/paraview-tecplot-files/10622 "2023-07-24T09:18:29Z")

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Hello - I am new to paraview and I am trying to open tecplot type files that my DSMC code outputs in paraview. However I keep getting the same errors when trying to open .plt or .dat files: vtkVisItTecplotBinaryReader (…

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## [Simple Module Import Error (Paraview 5.8)](https://discourse.paraview.org/t/simple-module-import-error-paraview-5-8/4842)

<div class="topic-metadata">

**Author:** [@jclai](https://discourse.paraview.org/u/jclai)\
**Replies:** 3\
**Last updated:** [August 5, 2020, 1:41am UTC](https://discourse.paraview.org/t/simple-module-import-error-paraview-5-8/4842 "2020-08-05T01:41:47Z")

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I was following these directions and tried to import simple.py but was unsuccessful. I set my system variable PYTHONPATH to C:\\Program Files\\ParaView 5.8.0-Windows-Python3.7-msvc2015-64bit\\bin\\Lib\\site-packages\\paravie…

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## [SVG output](https://discourse.paraview.org/t/svg-output/3738)

<div class="topic-metadata">

**Author:** [@ytang116](https://discourse.paraview.org/u/ytang116)\
**Replies:** 2\
**Last updated:** [March 23, 2020, 5:30pm UTC](https://discourse.paraview.org/t/svg-output/3738 "2020-03-23T17:30:14Z")

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Hello all, I think I have almost the problem as in this topic: but I didn’t see some definite answers. here are my problems. this picture shows the displacement field I’d like to generate. I want to output as an SV…

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## [Yet another OpenGL issue thread](https://discourse.paraview.org/t/yet-another-opengl-issue-thread/1312)

<div class="topic-metadata">

**Author:** [@Adrian](https://discourse.paraview.org/u/Adrian)\
**Replies:** 7\
**Last updated:** [February 20, 2019, 11:55am UTC](https://discourse.paraview.org/t/yet-another-opengl-issue-thread/1312 "2019-02-20T11:55:48Z")

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I have installed ParaView 5.6 on a virtual machine (VMware workstation 14, host is windows 10 and guest is windows 7), and PV is complaining about the OpenGL version. I did the MESA\_OVERRIDE = 3.2 trick and verified tha…

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## [Interpolation/Kriging](https://discourse.paraview.org/t/interpolation-kriging/8273)

<div class="topic-metadata">

**Author:** [@Victor\_Saouma](https://discourse.paraview.org/u/Victor_Saouma)\
**Replies:** 7\
**Last updated:** [October 29, 2021, 7:50am UTC](https://discourse.paraview.org/t/interpolation-kriging/8273 "2021-10-29T07:50:48Z")

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I have a complex unstructured mesh that I would like to shade with field measurements. However, those are at only select locations. They can be assigned to nodes or elements. Question: Is there a Paraview tool to interp…

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## [Troubleshooting with Windows 11](https://discourse.paraview.org/t/troubleshooting-with-windows-11/9689)

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**Author:** [@inssn](https://discourse.paraview.org/u/inssn)\
**Replies:** 7\
**Last updated:** [May 30, 2022, 2:00pm UTC](https://discourse.paraview.org/t/troubleshooting-with-windows-11/9689 "2022-05-30T14:00:37Z")

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Hi everyone! I am having problems when using Paraview. I was using it and some hours later it is not working anymore. When I run the application the paraview window shows but vanishes one second later, like it was not a…

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## [Create / Convert PCAP file](https://discourse.paraview.org/t/create-convert-pcap-file/10065)

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**Author:** [@giulio\_donatisarti](https://discourse.paraview.org/u/giulio_donatisarti)\
**Replies:** 3\
**Last updated:** [August 15, 2022, 12:24am UTC](https://discourse.paraview.org/t/create-convert-pcap-file/10065 "2022-08-15T00:24:50Z")

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Good morning, I would like to experiment with using LidarView to process data taken with the HERON LITE Color laser scanner manufactured by Gexcel (https://gexcel.it/images/soluzioni/HERON/2021\_HERON-LITE-Color\_Datashee…

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## [Visualization of points with the same coordinates](https://discourse.paraview.org/t/visualization-of-points-with-the-same-coordinates/556)

<div class="topic-metadata">

**Author:** [@MarinaVendlCraveiro](https://discourse.paraview.org/u/MarinaVendlCraveiro)\
**Replies:** 5\
**Last updated:** [October 15, 2018, 1:48pm UTC](https://discourse.paraview.org/t/visualization-of-points-with-the-same-coordinates/556 "2018-10-15T13:48:24Z")

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I am using a .vtk file that has many isolated points and i wanted to visualize them. However, some points can have the same coordinates. Only one point with the coordinates is shown. But in the SpreadSheet view, all the …

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## [save selected surfaces from ExtractSurface](https://discourse.paraview.org/t/save-selected-surfaces-from-extractsurface/9213)

<div class="topic-metadata">

**Author:** [@S\_Otta](https://discourse.paraview.org/u/S_Otta)\
**Replies:** 3\
**Last updated:** [March 18, 2022, 12:51pm UTC](https://discourse.paraview.org/t/save-selected-surfaces-from-extractsurface/9213 "2022-03-18T12:51:32Z")

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I have an Ensight case file which has several domains. After loading the complete file, I used the extract surface filter and then identified a subset of the all the surfaces to save to an STL file. Currently save data s…

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## [Absolute value ranges and line scaling at image export](https://discourse.paraview.org/t/absolute-value-ranges-and-line-scaling-at-image-export/3309)

<div class="topic-metadata">

**Author:** [@ptarmigan](https://discourse.paraview.org/u/ptarmigan)\
**Replies:** 4\
**Last updated:** [January 10, 2020, 10:12pm UTC](https://discourse.paraview.org/t/absolute-value-ranges-and-line-scaling-at-image-export/3309 "2020-01-10T22:12:45Z")

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Dear all, I’ve been using ParaView for some years now, but there still are important issues that I never have been able to resolve. Now I’m writing a tutorial about my workflow in ParaView, and before publishing it I ne…

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## [xdmf HyperSlab with timesteps](https://discourse.paraview.org/t/xdmf-hyperslab-with-timesteps/5174)

<div class="topic-metadata">

**Author:** [@firstkingofrome](https://discourse.paraview.org/u/firstkingofrome)\
**Replies:** 6\
**Last updated:** [October 6, 2021, 3:03pm UTC](https://discourse.paraview.org/t/xdmf-hyperslab-with-timesteps/5174 "2021-10-06T15:03:29Z")

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Hello, I have an hdf5 dataset containing 3 large 4d arrays for xyz components of a vector. Each array is organized by time,nx,ny,nz, so if I wanted the x velocity for the 10th timestep at (0,0,0) that would be = xVel\[9,0…

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## [Making a file for Paraview from FEM data](https://discourse.paraview.org/t/making-a-file-for-paraview-from-fem-data/9901)

<div class="topic-metadata">

**Author:** [@Arash](https://discourse.paraview.org/u/Arash)\
**Replies:** 5\
**Last updated:** [June 25, 2022, 5:16am UTC](https://discourse.paraview.org/t/making-a-file-for-paraview-from-fem-data/9901 "2022-06-25T05:16:39Z")

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Hello everyone. I have searched too much on the internet about making a file for Paraview from my finite element data. Most explanations available on the internet are useless and just waste our time. I often use Tecplot…

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## [Extracting points inside a surface](https://discourse.paraview.org/t/extracting-points-inside-a-surface/8989)

<div class="topic-metadata">

**Author:** [@SCRO1022](https://discourse.paraview.org/u/SCRO1022)\
**Replies:** 5\
**Last updated:** [February 23, 2022, 10:20am UTC](https://discourse.paraview.org/t/extracting-points-inside-a-surface/8989 "2022-02-23T10:20:58Z")

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Hello, i am trying to extract some points inside a surface. I have an multiblock dataset, as you can see in my attached image. Extractblock1 is the Geometry/Mesh from which i want to extract the surface. Extractblock2 c…

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## [Python Annotation - Variable for Velocity Magnitude and x,y,z direction](https://discourse.paraview.org/t/python-annotation-variable-for-velocity-magnitude-and-x-y-z-direction/2836)

<div class="topic-metadata">

**Author:** [@Schneider](https://discourse.paraview.org/u/Schneider)\
**Replies:** 6\
**Last updated:** [October 31, 2019, 3:04pm UTC](https://discourse.paraview.org/t/python-annotation-variable-for-velocity-magnitude-and-x-y-z-direction/2836 "2019-10-31T15:04:58Z")

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I like to measure the mean velocity (magnitude and x,y and z direction) with a python annotation. What is the right variable for it ? I tried mean(U(inputs\[0\])) for the magnitude mean(Velocity(inputs\[0\])) for the mag…

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## [Plugin Reader Based on Another Plugin](https://discourse.paraview.org/t/plugin-reader-based-on-another-plugin/1924)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 8\
**Last updated:** [June 5, 2020, 2:06am UTC](https://discourse.paraview.org/t/plugin-reader-based-on-another-plugin/1924 "2020-06-05T02:06:22Z")

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Hello. I have built a Python-based reader plugin that works just fine for a single file. It’s actually the reader I asked for help with here But now I would like to use it to open a series of files. I’ve been attemptin…

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## [Building ParaView 5.7.0 and 5.8.0 on the Power 9 Architecture under Linux (Update)](https://discourse.paraview.org/t/building-paraview-5-7-0-and-5-8-0-on-the-power-9-architecture-under-linux-update/4364)

<div class="topic-metadata">

**Author:** [@joeh](https://discourse.paraview.org/u/joeh)\
**Replies:** 5\
**Last updated:** [August 13, 2020, 5:15pm UTC](https://discourse.paraview.org/t/building-paraview-5-7-0-and-5-8-0-on-the-power-9-architecture-under-linux-update/4364 "2020-08-13T17:15:40Z")

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Here is revised version of my previous post Building ParaView 5.8.0 on the Power 9 Architecture under Linux in which I have narrowed down the compilation problems, and improved my fixes, based on feedback from the pre…

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## [Paraview glance from URL](https://discourse.paraview.org/t/paraview-glance-from-url/8521)

<div class="topic-metadata">

**Author:** [@dave3d](https://discourse.paraview.org/u/dave3d)\
**Replies:** 7\
**Last updated:** [January 23, 2024, 6:49am UTC](https://discourse.paraview.org/t/paraview-glance-from-url/8521 "2024-01-23T06:49:14Z")

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I’m trying to get Paraview Glance to load my volume from a URL, and it doesn’t seem to work. I think it tries and then just pops up the load window. Here’s my URL: https://kitware.github.io/paraview-glance/app/?name=t…

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## [Help with exporting quaternion data in vtu file](https://discourse.paraview.org/t/help-with-exporting-quaternion-data-in-vtu-file/5173)

<div class="topic-metadata">

**Author:** [@veikle](https://discourse.paraview.org/u/veikle)\
**Replies:** 8\
**Last updated:** [September 16, 2020, 2:35pm UTC](https://discourse.paraview.org/t/help-with-exporting-quaternion-data-in-vtu-file/5173 "2020-09-16T14:35:31Z")

</div>

Hello, I am exporting data from a software called EDEM (Altair / DEM Solutions). I want to use ParaView to visualize the particle information from EDEM. I have used the pointsToVTK function to export the x, y, z posit…

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## [plot difference between two slices](https://discourse.paraview.org/t/plot-difference-between-two-slices/11299)

<div class="topic-metadata">

**Author:** [@jludorf](https://discourse.paraview.org/u/jludorf)\
**Replies:** 4\
**Last updated:** [January 22, 2024, 4:33pm UTC](https://discourse.paraview.org/t/plot-difference-between-two-slices/11299 "2024-01-22T16:33:02Z")

</div>

Hi there, I don’t have much expertise using paraView so sorry in advance if this gets trivial but I haven’t found anything useful so far. I am trying to evaluate the outcome of a openFOAM simulation. In this case I tr…

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## [Adding symbols to Line Chart axis labels](https://discourse.paraview.org/t/adding-symbols-to-line-chart-axis-labels/6374)

<div class="topic-metadata">

**Author:** [@WhosYourData](https://discourse.paraview.org/u/WhosYourData)\
**Replies:** 5\
**Last updated:** [February 4, 2021, 11:33am UTC](https://discourse.paraview.org/t/adding-symbols-to-line-chart-axis-labels/6374 "2021-02-04T11:33:39Z")

</div>

Hi folks This is hopefully a quick question about Line Chart manipulation. We’re using ParaView 5.8.1 on Windows 10 x64 bit. We’d like to add the ‘degree’ symbol to an x-axis label, i.e. for degrees Celsius. However, pa…

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## [Automatically label contours](https://discourse.paraview.org/t/automatically-label-contours/7030)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 3\
**Last updated:** [April 22, 2021, 3:47pm UTC](https://discourse.paraview.org/t/automatically-label-contours/7030 "2021-04-22T15:47:20Z")

</div>

From a user voice request. create the ability to automatically label contour lines when creating contour plots I’m trying to place engine exhuasts on a car and need to identify regions of certain pressure. Solid colours…

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## [Compare Geometries](https://discourse.paraview.org/t/compare-geometries/2266)

<div class="topic-metadata">

**Author:** [@Terry](https://discourse.paraview.org/u/Terry)\
**Replies:** 4\
**Last updated:** [July 20, 2019, 8:02am UTC](https://discourse.paraview.org/t/compare-geometries/2266 "2019-07-20T08:02:35Z")

</div>

Hi there, I have vtk files representing the interface of two-phase simulations (openFoam) and want to compare their geometric parameters. What I hope to see is a reprensentation of their difference over time (video). S…

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## [Safe uninstall of ParaView on Ubuntu](https://discourse.paraview.org/t/safe-uninstall-of-paraview-on-ubuntu/4705)

<div class="topic-metadata">

**Author:** [@dld](https://discourse.paraview.org/u/dld)\
**Replies:** 1\
**Last updated:** [June 29, 2020, 3:22am UTC](https://discourse.paraview.org/t/safe-uninstall-of-paraview-on-ubuntu/4705 "2020-06-29T03:22:58Z")

</div>

Hi there, I installed ParaView 5.7.0 on Ubuntu 18.04 by following some advice on here: dowloading the tar.gz release from the Downloads tab, unpacking it, and then copying the whole directory into /opt. I now want to re…

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## [How to read a .vtu file?](https://discourse.paraview.org/t/how-to-read-a-vtu-file/9234)

<div class="topic-metadata">

**Author:** [@chengchengjing](https://discourse.paraview.org/u/chengchengjing)\
**Replies:** 2\
**Last updated:** [March 22, 2022, 6:24pm UTC](https://discourse.paraview.org/t/how-to-read-a-vtu-file/9234 "2022-03-22T18:24:17Z")

</div>

How to read a .vtu file?

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## [Legend Annotations Not Visible](https://discourse.paraview.org/t/legend-annotations-not-visible/308)

<div class="topic-metadata">

**Author:** [@Ron\_Fortunato](https://discourse.paraview.org/u/Ron_Fortunato)\
**Replies:** 5\
**Last updated:** [November 30, 2020, 3:29pm UTC](https://discourse.paraview.org/t/legend-annotations-not-visible/308 "2020-11-30T15:29:23Z")

</div>

Hello, I tried multiple versions of paraview 5.5(.0 & .2) and my legend annotations are not visible. Attached are two screenshots, one showing after I opened an example visualization from the help tab called “Exodus II f…

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## [Rendering a few Lines takes an unreasonable amount of memory](https://discourse.paraview.org/t/rendering-a-few-lines-takes-an-unreasonable-amount-of-memory/667)

<div class="topic-metadata">

**Author:** [@Massimiliano\_Leoni](https://discourse.paraview.org/u/Massimiliano_Leoni)\
**Replies:** 6\
**Last updated:** [October 1, 2020, 1:53pm UTC](https://discourse.paraview.org/t/rendering-a-few-lines-takes-an-unreasonable-amount-of-memory/667 "2020-10-01T13:53:46Z")

</div>

Hello everyone, I ran into this issue while trying to plot a number of segments in Paraview: it needs much more memory than I was expecting. Consider this script as a MWE: from random import uniform for i in range(600…

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## [Q Criterion - Gradient of Unstructured Data set NOT Working](https://discourse.paraview.org/t/q-criterion-gradient-of-unstructured-data-set-not-working/7916)

<div class="topic-metadata">

**Author:** [@Akash](https://discourse.paraview.org/u/Akash)\
**Replies:** 6\
**Last updated:** [September 3, 2021, 6:13am UTC](https://discourse.paraview.org/t/q-criterion-gradient-of-unstructured-data-set-not-working/7916 "2021-09-03T06:13:03Z")

</div>

I have a CSV file with three cols having velocity magnitude. I reconstructed the velocity vector using the calculator : U:0iHat+U:1jHat+U:2\*kHat . Then I applied “Gradient of Unstructured Data set” filter to calc QCrite…

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## [Glyph/Array Orientation not working](https://discourse.paraview.org/t/glyph-array-orientation-not-working/9632)

<div class="topic-metadata">

**Author:** [@Lachlan](https://discourse.paraview.org/u/Lachlan)\
**Replies:** 3\
**Last updated:** [May 23, 2022, 7:51am UTC](https://discourse.paraview.org/t/glyph-array-orientation-not-working/9632 "2022-05-23T07:51:53Z")

</div>

Hi, I am having trouble generating Arrays/Glyphs with a desired orientation. I am trying to use the Transforming GUI option, which works perfectly well for translation, scale and origin changes, but any orientation chan…

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## [Using user-defined variable in calculator/python calculator](https://discourse.paraview.org/t/using-user-defined-variable-in-calculator-python-calculator/10166)

<div class="topic-metadata">

**Author:** [@baysalse](https://discourse.paraview.org/u/baysalse)\
**Replies:** 6\
**Last updated:** [August 28, 2022, 7:39pm UTC](https://discourse.paraview.org/t/using-user-defined-variable-in-calculator-python-calculator/10166 "2022-08-28T19:39:50Z")

</div>

Hi, I’m trying to obtain a new array defined as absPres which can be defined as “p-hydroPres”. Here p is pressure (a scalar Point Data) and hydroPres is the p at y=max(y) over a line. I can’t figure out how to get hydro…

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## [ParaView 5.11.0-RC2 available for download](https://discourse.paraview.org/t/paraview-5-11-0-rc2-available-for-download/10588)

<div class="topic-metadata">

**Author:** [@vbolea](https://discourse.paraview.org/u/vbolea)\
**Replies:** 5\
**Last updated:** [November 30, 2022, 7:09pm UTC](https://discourse.paraview.org/t/paraview-5-11-0-rc2-available-for-download/10588 "2022-11-30T19:09:08Z")

</div>

:tada::tada::tada: The ParaView team is very happy to announce that ParaView 5.11.0-RC2 is available for download at: https://www.paraview.org/download/ In addition, ParaView’s git repository and superbuild repositor…

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## [Is it possible to make time-distance diagram in paraview?](https://discourse.paraview.org/t/is-it-possible-to-make-time-distance-diagram-in-paraview/1683)

<div class="topic-metadata">

**Author:** [@OuyangHuaxi](https://discourse.paraview.org/u/OuyangHuaxi)\
**Replies:** 6\
**Last updated:** [April 19, 2019, 1:40am UTC](https://discourse.paraview.org/t/is-it-possible-to-make-time-distance-diagram-in-paraview/1683 "2019-04-19T01:40:51Z")

</div>

Hi, everyone Is there a filter to handle such kind of problem? I’m new to Paraview and couldn’t find the similar filter Thank you in advance for any help

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