# Top

**URL:** https://discourse.paraview.org/top.md?page=47&period=all

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**Page:** 48

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## [Export stl from a powder pack obtained in LIGGGHTS](https://discourse.paraview.org/t/export-stl-from-a-powder-pack-obtained-in-liggghts/6604)

<div class="topic-metadata">

**Author:** [@smmha](https://discourse.paraview.org/u/smmha)\
**Replies:** 8\
**Last updated:** [April 16, 2021, 6:49pm UTC](https://discourse.paraview.org/t/export-stl-from-a-powder-pack-obtained-in-liggghts/6604 "2021-04-16T18:49:58Z")

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Hi I have imported a powder pack in PV. When I use the point gaussian representation with the desired particle radius, it seems ok. However, I cannot export this geometry to import it in fluent. Is it possible to export…

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## [Best way to make Paraview (5.8.1) portable?](https://discourse.paraview.org/t/best-way-to-make-paraview-5-8-1-portable/7573)

<div class="topic-metadata">

**Author:** [@anthomas](https://discourse.paraview.org/u/anthomas)\
**Replies:** 7\
**Last updated:** [August 3, 2021, 12:44pm UTC](https://discourse.paraview.org/t/best-way-to-make-paraview-5-8-1-portable/7573 "2021-08-03T12:44:22Z")

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I have developed a plugin for paraview 5.8.1, and now a downloadable package with a working version of paraview and other files to run the plugin. I have successfully done so for linux, after building paraview and writin…

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## [paraview-5.8 : Unknown CMake command "ADD\_PARAVIEW\_PLUGIN".](https://discourse.paraview.org/t/paraview-5-8-unknown-cmake-command-add-paraview-plugin/4834)

<div class="topic-metadata">

**Author:** [@fghoussen](https://discourse.paraview.org/u/fghoussen)\
**Replies:** 4\
**Last updated:** [August 4, 2020, 2:53pm UTC](https://discourse.paraview.org/t/paraview-5-8-unknown-cmake-command-add-paraview-plugin/4834 "2020-08-04T14:53:50Z")

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Hi, Building plugin was OK with paraview-5.4.x. Moved to 5.8.0 and hit this : Unknown CMake command “ADD\_PARAVIEW\_PLUGIN”. In 5.4, INCLUDE(${PARAVIEW\_USE\_FILE}) was needed in CMakeLists.txt. In 5.8 cmake says “remove …

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## [PVFoamReader is not defined when using pvpython with openfoam result](https://discourse.paraview.org/t/pvfoamreader-is-not-defined-when-using-pvpython-with-openfoam-result/2430)

<div class="topic-metadata">

**Author:** [@bagbagwan](https://discourse.paraview.org/u/bagbagwan)\
**Replies:** 2\
**Last updated:** [August 14, 2019, 2:51pm UTC](https://discourse.paraview.org/t/pvfoamreader-is-not-defined-when-using-pvpython-with-openfoam-result/2430 "2019-08-14T14:51:07Z")

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Hello I am trying to make automated post-process for particle simulation solved by OpenFOAM First, I made test.OpenFOAM file first using paraFoam -touch Then, then run pypython test.py the message below, however, …

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## [Logic of the Colors attribute](https://discourse.paraview.org/t/logic-of-the-colors-attribute/5669)

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**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 6\
**Last updated:** [October 28, 2020, 3:32pm UTC](https://discourse.paraview.org/t/logic-of-the-colors-attribute/5669 "2020-10-28T15:32:35Z")

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Recently I learned that it is possible to add a Colors attribute to an object if you want so assign fixed color values to points or cells. It is a 4-component double type array, with values between 0 and 255, representin…

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## [Node ordering and volume computation](https://discourse.paraview.org/t/node-ordering-and-volume-computation/10826)

<div class="topic-metadata">

**Author:** [@philippeVerney](https://discourse.paraview.org/u/philippeVerney)\
**Replies:** 7\
**Last updated:** [May 9, 2023, 7:37am UTC](https://discourse.paraview.org/t/node-ordering-and-volume-computation/10826 "2023-05-09T07:37:54Z")

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Hi all, I have created a small unstructured grid with a tetrahedron (in red) and a wedge (in blue). The node ordering for the tetrahedron is : 2 1 0 3 The node ordering for the wedge is : 0 1 2 4 5 6 I think this …

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## [How to add filename as text in the renderview?](https://discourse.paraview.org/t/how-to-add-filename-as-text-in-the-renderview/9179)

<div class="topic-metadata">

**Author:** [@Ying](https://discourse.paraview.org/u/Ying)\
**Replies:** 6\
**Last updated:** [March 16, 2022, 8:28am UTC](https://discourse.paraview.org/t/how-to-add-filename-as-text-in-the-renderview/9179 "2022-03-16T08:28:14Z")

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Hi, I have a bunch of vtk files named by simulation time: U\_0.05.vtk, U\_0.10.vtk, U\_0.15.vtk, … Now I want to extract the time in filename, i.e, 0.05, 0.10, 0.15, …, and source → text to renderview, like time=0.05, time…

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## [Cup-mixing temperature (Average temperature over volume and velocity)](https://discourse.paraview.org/t/cup-mixing-temperature-average-temperature-over-volume-and-velocity/4897)

<div class="topic-metadata">

**Author:** [@Woutercc](https://discourse.paraview.org/u/Woutercc)\
**Replies:** 3\
**Last updated:** [July 20, 2020, 8:31am UTC](https://discourse.paraview.org/t/cup-mixing-temperature-average-temperature-over-volume-and-velocity/4897 "2020-07-20T08:31:10Z")

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Dear Topicmembers, I am working on a flow problem where I like to collect the Cup-mixing temperature of a slice and a clip. This cup-mixing temperature is the average temperature of a slice or clip over the volume of t…

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## [Python Plugin Filter Reading Info from Python Plugin Source](https://discourse.paraview.org/t/python-plugin-filter-reading-info-from-python-plugin-source/7651)

<div class="topic-metadata">

**Author:** [@Jared\_Blanchard](https://discourse.paraview.org/u/Jared_Blanchard)\
**Replies:** 7\
**Last updated:** [July 23, 2021, 2:57am UTC](https://discourse.paraview.org/t/python-plugin-filter-reading-info-from-python-plugin-source/7651 "2021-07-23T02:57:33Z")

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I’m using Paraview 5.8.0 on Ubuntu 20.04. I’ve created a python plugin that acts as a source with two vtkPolyData outputs (spheres). The source is called “CR3BP System” and inherits the VTKPythonAlgorithmBase class cla…

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## [Converting vti to pvti files](https://discourse.paraview.org/t/converting-vti-to-pvti-files/4244)

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**Author:** [@Patrick\_Xian](https://discourse.paraview.org/u/Patrick_Xian)\
**Replies:** 8\
**Last updated:** [May 4, 2020, 7:36pm UTC](https://discourse.paraview.org/t/converting-vti-to-pvti-files/4244 "2020-05-04T19:36:21Z")

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Is there an example to convert vti to pvti format? It’s tough to do slicing or clipping, etc. on vti files larger than 1GB (despite having GPU and multiple cores), so maybe converting to pvti is a good way to speed thin…

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## [smoothing color maps](https://discourse.paraview.org/t/smoothing-color-maps/6152)

<div class="topic-metadata">

**Author:** [@stevendscott](https://discourse.paraview.org/u/stevendscott)\
**Replies:** 1\
**Last updated:** [October 11, 2023, 5:50pm UTC](https://discourse.paraview.org/t/smoothing-color-maps/6152 "2023-10-11T17:50:38Z")

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Hi, There was a posting back in 2015 about how to smooth the color map data, see below. I have a similar need - I want to smooth the rendering of a calculation of surface heating power density for a fusion experiment. …

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## [Read performance problems (serial & parallel)](https://discourse.paraview.org/t/read-performance-problems-serial-parallel/1244)

<div class="topic-metadata">

**Author:** [@Erik\_Keever](https://discourse.paraview.org/u/Erik_Keever)\
**Replies:** 2\
**Last updated:** [February 11, 2019, 12:52am UTC](https://discourse.paraview.org/t/read-performance-problems-serial-parallel/1244 "2019-02-11T00:52:10Z")

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Hello, I need to use PV to visualize/analyze \>1TB data sets (900M cell structured grid time series) in which each stored data frame is approximately 50GB. I am preparing by making sure I can efficiently access a much s…

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## [Current status of PVGeo and Paraview](https://discourse.paraview.org/t/current-status-of-pvgeo-and-paraview/3804)

<div class="topic-metadata">

**Author:** [@jwesolow](https://discourse.paraview.org/u/jwesolow)\
**Replies:** 3\
**Last updated:** [April 22, 2020, 12:02pm UTC](https://discourse.paraview.org/t/current-status-of-pvgeo-and-paraview/3804 "2020-04-22T12:02:26Z")

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Hi, I’m not sure if I should be asking this here or not, so please let me know if I should take the question to PVGeo. This is unrelated to the other issue I just posted. Since Paraview has converted to Python 3, the o…

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## [Negative cell volume](https://discourse.paraview.org/t/negative-cell-volume/10995)

<div class="topic-metadata">

**Author:** [@hkjeldsberg](https://discourse.paraview.org/u/hkjeldsberg)\
**Replies:** 2\
**Last updated:** [December 15, 2022, 7:46pm UTC](https://discourse.paraview.org/t/negative-cell-volume/10995 "2022-12-15T19:46:44Z")

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I have created an unstructured grid consisting of one tetrahedral cell. \<?xml version="1.0"?\> \<!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" \[\]\> \<Xdmf Version="3.0" xmlns:xi="http://www.w3.org/2001/XInclude"\> \<Domain\> \<Grid Nam…

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## [Multiple colorbar custom positions not honored](https://discourse.paraview.org/t/multiple-colorbar-custom-positions-not-honored/5947)

<div class="topic-metadata">

**Author:** [@kschau](https://discourse.paraview.org/u/kschau)\
**Replies:** 2\
**Last updated:** [July 6, 2021, 4:34pm UTC](https://discourse.paraview.org/t/multiple-colorbar-custom-positions-not-honored/5947 "2021-07-06T16:34:29Z")

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I have an issue on both a custom build and prebuilt binary with paraview 5.8.1 in which a python state is saved with a renderview that has two colorbars that have defined positions. At the end of the python script the t…

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## [Questions about the "ParticleTracer" filter](https://discourse.paraview.org/t/questions-about-the-particletracer-filter/8549)

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**Author:** [@fdekerme](https://discourse.paraview.org/u/fdekerme)\
**Replies:** 8\
**Last updated:** [December 15, 2021, 1:52pm UTC](https://discourse.paraview.org/t/questions-about-the-particletracer-filter/8549 "2021-12-15T13:52:01Z")

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Hello, I would like to do particle tracking with the “ParticleTracer” filter on a .vtu temporal file. However, I have several questions: Why do some particles disappear (apparently when they touch a surface?) …

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## [merging identical image data set grids](https://discourse.paraview.org/t/merging-identical-image-data-set-grids/8937)

<div class="topic-metadata">

**Author:** [@patchett2002](https://discourse.paraview.org/u/patchett2002)\
**Replies:** 4\
**Last updated:** [February 23, 2022, 10:00am UTC](https://discourse.paraview.org/t/merging-identical-image-data-set-grids/8937 "2022-02-23T10:00:06Z")

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Hello, I have 2 image data datasets that have identical extents, ranges, origins, and thus identical cell and point counts with one scalar field each. I essentially want to merge the scalars so that I have one dataset wi…

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## [Can't Upload non image file](https://discourse.paraview.org/t/cant-upload-non-image-file/72)

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**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 3\
**Last updated:** [June 4, 2018, 1:21pm UTC](https://discourse.paraview.org/t/cant-upload-non-image-file/72 "2018-06-04T13:21:42Z")

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It is impossible to upload and share a non image file in a topic. This is a big issue in my opinion.

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## [append an array as a new vector/scalar field from pandas dataframe with programmable filter and paraview's python console](https://discourse.paraview.org/t/append-an-array-as-a-new-vector-scalar-field-from-pandas-dataframe-with-programmable-filter-and-paraviews-python-console/482)

<div class="topic-metadata">

**Author:** [@Thangam](https://discourse.paraview.org/u/Thangam)\
**Replies:** 1\
**Last updated:** [August 28, 2018, 12:02am UTC](https://discourse.paraview.org/t/append-an-array-as-a-new-vector-scalar-field-from-pandas-dataframe-with-programmable-filter-and-paraviews-python-console/482 "2018-08-28T00:02:33Z")

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I have a dataframe that is of the following format ID t\_0 t\_1 t\_2 t\_n 0 . . . . . . m and I want to read and append each column array as a field at their respective time-step t…

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## [How to get live data from Veloview VLP 16 LiDAR by using python script only](https://discourse.paraview.org/t/how-to-get-live-data-from-veloview-vlp-16-lidar-by-using-python-script-only/13725)

<div class="topic-metadata">

**Author:** [@NIrbhay\_Mathur](https://discourse.paraview.org/u/NIrbhay_Mathur)\
**Replies:** 5\
**Last updated:** [January 25, 2024, 6:51am UTC](https://discourse.paraview.org/t/how-to-get-live-data-from-veloview-vlp-16-lidar-by-using-python-script-only/13725 "2024-01-25T06:51:02Z")

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Hi all, i am trying to work with VLP 16 veloview 3D LiDAR and getting familiar with its usage in python. I am able to visualize lidar output using veloview, but i want to record lidar output as live and pass to my AI mod…

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## [Slicing with a Cone](https://discourse.paraview.org/t/slicing-with-a-cone/4527)

<div class="topic-metadata">

**Author:** [@Yannick](https://discourse.paraview.org/u/Yannick)\
**Replies:** 6\
**Last updated:** [June 12, 2020, 6:16am UTC](https://discourse.paraview.org/t/slicing-with-a-cone/4527 "2020-06-12T06:16:33Z")

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Dear Paraview users, First of all I would like to point out that I am a beginner in Paraview, therefore please excuse my lack of depth in the field. I am dealing with a vtk file which contains the (x, y, z) components …

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## [Create a Solid surface from points using the Delaunay 3D filter](https://discourse.paraview.org/t/create-a-solid-surface-from-points-using-the-delaunay-3d-filter/11912)

<div class="topic-metadata">

**Author:** [@Renard](https://discourse.paraview.org/u/Renard)\
**Replies:** 3\
**Last updated:** [September 5, 2023, 8:46am UTC](https://discourse.paraview.org/t/create-a-solid-surface-from-points-using-the-delaunay-3d-filter/11912 "2023-09-05T08:46:17Z")

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Hi, I have a set of discrete visualization points as seen in the image which is in the shape of the letter H (left side of the image). I’m trying to make a solid surface for better visualization using these points us…

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## [Converting NAN to a number](https://discourse.paraview.org/t/converting-nan-to-a-number/6668)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 4\
**Last updated:** [March 12, 2021, 3:04am UTC](https://discourse.paraview.org/t/converting-nan-to-a-number/6668 "2021-03-12T03:04:16Z")

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When I am creating a plot over line filter, across a hollow (such as disk\_out\_ref.exo), I am correctly getting nans for variables on the line. This is failing with subsequent filters. Is there a way to convert these na…

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## [Create test dataset for Ensight .case files](https://discourse.paraview.org/t/create-test-dataset-for-ensight-case-files/4600)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 4\
**Last updated:** [June 17, 2020, 5:12pm UTC](https://discourse.paraview.org/t/create-test-dataset-for-ensight-case-files/4600 "2020-06-17T17:12:11Z")

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I am attempting to create a sample Ensight .case file to use as a minimal example for another issue I’m having. I create an object using a source (e.g. Wavelet, or Sphere), then run D3 to break it up, then Save Data as E…

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## [Graphics Problem](https://discourse.paraview.org/t/graphics-problem/2408)

<div class="topic-metadata">

**Author:** [@KKK](https://discourse.paraview.org/u/KKK)\
**Replies:** 4\
**Last updated:** [August 12, 2019, 9:24am UTC](https://discourse.paraview.org/t/graphics-problem/2408 "2019-08-12T09:24:31Z")

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Hi I want to configure paraview with my on board graphics card instead of NVIDIA. Can someone assist me on this. Kind regards.

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## [Seams after converting cell data to point data](https://discourse.paraview.org/t/seams-after-converting-cell-data-to-point-data/7814)

<div class="topic-metadata">

**Author:** [@kaiser](https://discourse.paraview.org/u/kaiser)\
**Replies:** 2\
**Last updated:** [August 20, 2021, 8:10pm UTC](https://discourse.paraview.org/t/seams-after-converting-cell-data-to-point-data/7814 "2021-08-20T20:10:56Z")

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Hello, I have a set of distributed vtr files read with a pvd file with cell data. I would like to convert that cell data to point data to get linear interpolation upon plotting. When calling CellDataToPointData and plot…

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## [Building ParaView with EGL MESA](https://discourse.paraview.org/t/building-paraview-with-egl-mesa/12016)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 5\
**Last updated:** [May 11, 2023, 9:02pm UTC](https://discourse.paraview.org/t/building-paraview-with-egl-mesa/12016 "2023-05-11T21:02:55Z")

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Note: This tutorial is inspired by Building ParaView with GPU accelerated MESA and relatively recent mesa improvements. Before getting into details of Mesa graphics hardware drivers, a disclaimer. If you have graphics …

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## [How to get access from Programmable Filter's script to Custom Filter properties?](https://discourse.paraview.org/t/how-to-get-access-from-programmable-filters-script-to-custom-filter-properties/1371)

<div class="topic-metadata">

**Author:** [@Allrond](https://discourse.paraview.org/u/Allrond)\
**Replies:** 5\
**Last updated:** [March 5, 2019, 6:32am UTC](https://discourse.paraview.org/t/how-to-get-access-from-programmable-filters-script-to-custom-filter-properties/1371 "2019-03-05T06:32:54Z")

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Hello 2 all! I try to make something like Modificated Programmable Filter by XML. I have made Custom Filter and export it to edit XML. I have already add the additional fields: NumberOfSlice and SliceMode. Question: Ho…

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## [ParaView frame/view size](https://discourse.paraview.org/t/paraview-frame-view-size/1641)

<div class="topic-metadata">

**Author:** [@mrz](https://discourse.paraview.org/u/mrz)\
**Replies:** 2\
**Last updated:** [April 12, 2019, 8:05am UTC](https://discourse.paraview.org/t/paraview-frame-view-size/1641 "2019-04-12T08:05:27Z")

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I’m switching from Tecplot to ParaView, and find ParaView really powerful in many many aspects. But what I haven’t been used to Paraview is that there’s no easy way to customize the frame/view size for every figure I plo…

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## [Running praview with amd radeon](https://discourse.paraview.org/t/running-praview-with-amd-radeon/8556)

<div class="topic-metadata">

**Author:** [@aspillai87](https://discourse.paraview.org/u/aspillai87)\
**Replies:** 7\
**Last updated:** [December 3, 2021, 4:14pm UTC](https://discourse.paraview.org/t/running-praview-with-amd-radeon/8556 "2021-12-03T16:14:15Z")

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Hello I have Paraview 5.10 installed on Ubuntu 20.04. The workstation has two AMD Radeon VII cards. However, when I am running it appears that the cards are not utilised and the RAM usage shoots up. How can make the be…

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## [PVPython Seg Fault when creting RenderView](https://discourse.paraview.org/t/pvpython-seg-fault-when-creting-renderview/4230)

<div class="topic-metadata">

**Author:** [@ShogunHirei](https://discourse.paraview.org/u/ShogunHirei)\
**Replies:** 5\
**Last updated:** [May 12, 2020, 1:54am UTC](https://discourse.paraview.org/t/pvpython-seg-fault-when-creting-renderview/4230 "2020-05-12T01:54:34Z")

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Greetings, all. I am working with OpenFOAM for CFD simulations and using Paraview for post-processing and saving data from the simulation. This time I am running a bunch of simulations and using pvpython to save data. …

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## [Not able to save .ply animation for all timesteps](https://discourse.paraview.org/t/not-able-to-save-ply-animation-for-all-timesteps/5617)

<div class="topic-metadata">

**Author:** [@Krys\_Bangert](https://discourse.paraview.org/u/Krys_Bangert)\
**Replies:** 6\
**Last updated:** [October 28, 2020, 8:47am UTC](https://discourse.paraview.org/t/not-able-to-save-ply-animation-for-all-timesteps/5617 "2020-10-28T08:47:35Z")

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Hello, I was wondering if I could get some help please. I have created a flow tracing animation from a set of CFD data, however I cannot seem to get the save as .ply function to export all of the timesteps. They are dis…

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## [Time Sync between two datasets](https://discourse.paraview.org/t/time-sync-between-two-datasets/10285)

<div class="topic-metadata">

**Author:** [@nadeem](https://discourse.paraview.org/u/nadeem)\
**Replies:** 4\
**Last updated:** [September 9, 2022, 10:11pm UTC](https://discourse.paraview.org/t/time-sync-between-two-datasets/10285 "2022-09-09T22:11:06Z")

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Hello, I am reviving a problem, see screen shots below, which I have come across: I cannot see a resolution of this problem – which seems to be a recognized problem in paraview. I am an end user, so all I need is…

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## [Seg fault reasons](https://discourse.paraview.org/t/seg-fault-reasons/4300)

<div class="topic-metadata">

**Author:** [@ShogunHirei](https://discourse.paraview.org/u/ShogunHirei)\
**Replies:** 5\
**Last updated:** [May 12, 2020, 1:44am UTC](https://discourse.paraview.org/t/seg-fault-reasons/4300 "2020-05-12T01:44:36Z")

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Greetings everyone! I’m having problems with “Segmentation Fault (Core Dumped)” error, and I’m unable to find out why it is happening with my system, is there some way to find a log, or some way to track this error? K…

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## [Advice on building paraview (superbuild??) for OpenFOAM runTimePostProcessing](https://discourse.paraview.org/t/advice-on-building-paraview-superbuild-for-openfoam-runtimepostprocessing/8707)

<div class="topic-metadata">

**Author:** [@aerogt3](https://discourse.paraview.org/u/aerogt3)\
**Replies:** 6\
**Last updated:** [November 28, 2022, 7:49am UTC](https://discourse.paraview.org/t/advice-on-building-paraview-superbuild-for-openfoam-runtimepostprocessing/8707 "2022-11-28T07:49:31Z")

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Hello, Recently I’ve been trying to use the runTimePostProcessing in OpenFOAM, and I cannot get any working paraview build out of the OpenFOAM packages. LLVM fails to build, so then no mesa/VTK/pv. I’ve been using the …

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## [LagrangianParticleTracker manually define flow density and dynamic viscosity](https://discourse.paraview.org/t/lagrangianparticletracker-manually-define-flow-density-and-dynamic-viscosity/5946)

<div class="topic-metadata">

**Author:** [@matt688](https://discourse.paraview.org/u/matt688)\
**Replies:** 6\
**Last updated:** [December 2, 2020, 6:37pm UTC](https://discourse.paraview.org/t/lagrangianparticletracker-manually-define-flow-density-and-dynamic-viscosity/5946 "2020-12-02T18:37:39Z")

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Hey all, I’m attempting to use LagrangianParticleTracker (LPT) with an XDMF dataset which only has velocity flow data and no dynamic viscosity or flow density arrays. Is there a way to amend the XDMF dataset adding dyna…

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## [Crystal Eyes mode in server and client](https://discourse.paraview.org/t/crystal-eyes-mode-in-server-and-client/3132)

<div class="topic-metadata">

**Author:** [@lyz](https://discourse.paraview.org/u/lyz)\
**Replies:** 6\
**Last updated:** [December 11, 2019, 11:35am UTC](https://discourse.paraview.org/t/crystal-eyes-mode-in-server-and-client/3132 "2019-12-11T11:35:34Z")

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I have some questions about stereo mode of Paraview 5.7. I build Paraview 5.7 with MPI 10.1.2, VR plugin, and I test Paraview in client/server mode for stereo display. I use one master node as server, and three render n…

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## [Paraview unable to render World Ocean Atlas NetCDF files](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757)

<div class="topic-metadata">

**Author:** [@dhiputm](https://discourse.paraview.org/u/dhiputm)\
**Replies:** 6\
**Last updated:** [January 20, 2020, 8:52pm UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757 "2020-01-20T20:52:03Z")

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I am trying to visualize the .nc files belonging to the World Ocean Data Atlas, obtained from UNICAR/NOAA repository. I tried to read the data using the readers - NetCDF CAM Reader, NetCDF Reader and VisitNetCDFCCSM\_STSD…

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## [Transient Simulation with .VTP and .PVD](https://discourse.paraview.org/t/transient-simulation-with-vtp-and-pvd/7775)

<div class="topic-metadata">

**Author:** [@diean](https://discourse.paraview.org/u/diean)\
**Replies:** 8\
**Last updated:** [August 12, 2021, 2:04pm UTC](https://discourse.paraview.org/t/transient-simulation-with-vtp-and-pvd/7775 "2021-08-12T14:04:38Z")

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Hey, I want to apologize if this is already posted on another thread. I’m new using Paraview and I need to create an output module with Fortran 90 for a transient simulation. Since I’m just starting to use Paraview I’m…

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## [How to create a collection of blocks (multi block) based on connectivity](https://discourse.paraview.org/t/how-to-create-a-collection-of-blocks-multi-block-based-on-connectivity/9124)

<div class="topic-metadata">

**Author:** [@Fotos\_Stylianou](https://discourse.paraview.org/u/Fotos_Stylianou)\
**Replies:** 6\
**Last updated:** [October 18, 2023, 8:11pm UTC](https://discourse.paraview.org/t/how-to-create-a-collection-of-blocks-multi-block-based-on-connectivity/9124 "2023-10-18T20:11:58Z")

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Hi all, I got a vtp file which probably contains a set of stl files (topologically not connected). I use the connectivity filter to get the region ids as you can see from the image. Is there a way to create a collectio…

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## [Find max value location point](https://discourse.paraview.org/t/find-max-value-location-point/11073)

<div class="topic-metadata">

**Author:** [@Matteo](https://discourse.paraview.org/u/Matteo)\
**Replies:** 3\
**Last updated:** [December 27, 2022, 9:44pm UTC](https://discourse.paraview.org/t/find-max-value-location-point/11073 "2022-12-27T21:44:39Z")

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Good morning, I am doing a certain analysis with a certain formuna through calculator. Then, I displayed the result. Is there a way to find the max value and its location?

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## [Visualizing sets of boundary mesh points as lines](https://discourse.paraview.org/t/visualizing-sets-of-boundary-mesh-points-as-lines/3120)

<div class="topic-metadata">

**Author:** [@parajan](https://discourse.paraview.org/u/parajan)\
**Replies:** 3\
**Last updated:** [December 6, 2019, 4:34am UTC](https://discourse.paraview.org/t/visualizing-sets-of-boundary-mesh-points-as-lines/3120 "2019-12-06T04:34:03Z")

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I have a csv file with 3 columns. The first and second columns are x,y coordinates of mesh boundary points. The third column is an integer that tells which boundary the point is a part of. Here is an example file: bound…

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## [Opening large vts files](https://discourse.paraview.org/t/opening-large-vts-files/6214)

<div class="topic-metadata">

**Author:** [@Mathieu](https://discourse.paraview.org/u/Mathieu)\
**Replies:** 5\
**Last updated:** [January 15, 2021, 11:52am UTC](https://discourse.paraview.org/t/opening-large-vts-files/6214 "2021-01-15T11:52:56Z")

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Hello, I am using Paraview 5.8.1 on Ubuntu, and I am trying to read .vts files which contains results of a simulation. When I try to open them like I usually do, I get the following error message: ERROR: In /home/b…

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## [Paraview shuts down while running a OpenFoam tutorial case with error: "non-digit character" in powk file](https://discourse.paraview.org/t/paraview-shuts-down-while-running-a-openfoam-tutorial-case-with-error-non-digit-character-in-powk-file/5038)

<div class="topic-metadata">

**Author:** [@YULING](https://discourse.paraview.org/u/YULING)\
**Replies:** 8\
**Last updated:** [January 6, 2026, 1:01pm UTC](https://discourse.paraview.org/t/paraview-shuts-down-while-running-a-openfoam-tutorial-case-with-error-non-digit-character-in-powk-file/5038 "2026-01-06T13:01:13Z")

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Hi there, I have a problem while running paraview, the error came as: ERROR: In /home/yuling/OpenFOAM/ThirdParty-v2006/ParaView-v5.6.3/VTK/IO/Geometry/vtkOpenFOAMReader.cxx, line 7495 vtkOpenFOAMReaderPrivate (0x55b41…

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## [Export data for all time frame](https://discourse.paraview.org/t/export-data-for-all-time-frame/11826)

<div class="topic-metadata">

**Author:** [@katherine\_1104](https://discourse.paraview.org/u/katherine_1104)\
**Replies:** 2\
**Last updated:** [April 6, 2023, 9:44pm UTC](https://discourse.paraview.org/t/export-data-for-all-time-frame/11826 "2023-04-06T21:44:52Z")

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Hi community, I have a time dependent model. I choose the points data and showed in a spreadsheet view. I want to save the data by clicking export spreadsheet, but this way only save the current timestep. Is there a way…

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## [How does Paraview compute spatial derivatives at boundaries](https://discourse.paraview.org/t/how-does-paraview-compute-spatial-derivatives-at-boundaries/2986)

<div class="topic-metadata">

**Author:** [@kevinw](https://discourse.paraview.org/u/kevinw)\
**Replies:** 2\
**Last updated:** [November 18, 2019, 1:04pm UTC](https://discourse.paraview.org/t/how-does-paraview-compute-spatial-derivatives-at-boundaries/2986 "2019-11-18T13:04:00Z")

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Hi, I am using the “Gradient of Unstructured Data Set” filter to calculate the curl and divergence of a 3D field. How does Paraview compute the derivatives on domain boundaries? In my case, one boundary of the domain (…

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## [XMDF Reader names + XDMF2 Reader](https://discourse.paraview.org/t/xmdf-reader-names-xdmf2-reader/4756)

<div class="topic-metadata">

**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 1\
**Last updated:** [July 8, 2020, 11:29am UTC](https://discourse.paraview.org/t/xmdf-reader-names-xdmf2-reader/4756 "2020-07-08T11:29:48Z")

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Could anyone explain what the difference is between “Xdmf3ReaderS”, “Xdmf3ReaderT” and “XDMF Reader”? What I really need is the Xdmf2 reader since the Xdmf3 reader fails to read data in parallel which is a huge bottle…

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## [Is it possible to read .csv files which have multiple header rows?](https://discourse.paraview.org/t/is-it-possible-to-read-csv-files-which-have-multiple-header-rows/5258)

<div class="topic-metadata">

**Author:** [@Charon](https://discourse.paraview.org/u/Charon)\
**Replies:** 2\
**Last updated:** [September 22, 2020, 10:19pm UTC](https://discourse.paraview.org/t/is-it-possible-to-read-csv-files-which-have-multiple-header-rows/5258 "2020-09-22T22:19:21Z")

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I’m trying to read .csv files for visualization of 3D point data. There is a lot of .csv files, and these files have two header rows. I want to skip first row and read second rows as header. (These files were read by …

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## [Paraview on Fedora 36 does not start.](https://discourse.paraview.org/t/paraview-on-fedora-36-does-not-start/10112)

<div class="topic-metadata">

**Author:** [@jdelia](https://discourse.paraview.org/u/jdelia)\
**Replies:** 7\
**Last updated:** [February 13, 2023, 11:26pm UTC](https://discourse.paraview.org/t/paraview-on-fedora-36-does-not-start/10112 "2023-02-13T23:26:54Z")

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Apologies if this is not the right place for the following query (I’m a novice user of ParaView). I did a fresh install of Fedora 36 (from scratch) and then I installed ParaView in two ways: a) Via dnf --best install, …

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## [glTF exporter - Opacity value not exported](https://discourse.paraview.org/t/gltf-exporter-opacity-value-not-exported/6555)

<div class="topic-metadata">

**Author:** [@leopessanha](https://discourse.paraview.org/u/leopessanha)\
**Replies:** 8\
**Last updated:** [March 25, 2021, 2:10pm UTC](https://discourse.paraview.org/t/gltf-exporter-opacity-value-not-exported/6555 "2021-03-25T14:10:49Z")

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Hi, I’ve exported a scene in ParaView using the glTF extension. The scene contains a vtkStructureGrid, colored by a scalar and with 0.35 value for opacity. When loading the data in the destiny application(CesiumJS) the…

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