# Top

**URL:** https://discourse.paraview.org/top.md?page=138&period=all

[Latest](https://discourse.paraview.org/latest.md) · [Categories](https://discourse.paraview.org/categories.md) · [Tags](https://discourse.paraview.org/tags.md)

**Page:** 139

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## [How to export partial spreadsheet?](https://discourse.paraview.org/t/how-to-export-partial-spreadsheet/11088)

<div class="topic-metadata">

**Author:** [@Ying](https://discourse.paraview.org/u/Ying)\
**Replies:** 2\
**Last updated:** [January 2, 2023, 8:24am UTC](https://discourse.paraview.org/t/how-to-export-partial-spreadsheet/11088 "2023-01-02T08:24:42Z")

</div>

Hi, I try the Export Spreadsheet and Export Scene, but all these tools save the full spreadsheet, is there anyway to save only specific columns in the spreadsheet view (like the coordinates of points)? Thanks!

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## [Catalyst MPAS](https://discourse.paraview.org/t/catalyst-mpas/10386)

<div class="topic-metadata">

**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 1\
**Last updated:** [October 30, 2022, 3:56pm UTC](https://discourse.paraview.org/t/catalyst-mpas/10386 "2022-10-30T15:56:17Z")

</div>

Hi Folks, Does anyone have a public and recent MPAS Catalyst (either 1 or 2 would be fine) interface out there that I can use? thanks!

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## [Paraview how to load Directory?](https://discourse.paraview.org/t/paraview-how-to-load-directory/6127)

<div class="topic-metadata">

**Author:** [@wulicheng](https://discourse.paraview.org/u/wulicheng)\
**Replies:** 1\
**Last updated:** [January 4, 2021, 10:16am UTC](https://discourse.paraview.org/t/paraview-how-to-load-directory/6127 "2021-01-04T10:16:48Z")

</div>

I open the dialog like flowing: When I clicked OK button ,Nothing loaded！！！ It output this message：

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## [Velocity distribution](https://discourse.paraview.org/t/velocity-distribution/5209)

<div class="topic-metadata">

**Author:** [@armaghantelgerafchi](https://discourse.paraview.org/u/armaghantelgerafchi)\
**Replies:** 1\
**Last updated:** [August 31, 2020, 8:36am UTC](https://discourse.paraview.org/t/velocity-distribution/5209 "2020-08-31T08:36:47Z")

</div>

To whom it may concern I have a problem with Paraview. I did a simulation with Elmer and exported it to Paraview. In Paraview, In velocity distribution, it seems that the empty tube inside the geometry velocity is zero …

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## [Catalyst image write error using osmesa llvmpipe on Power9 cluster](https://discourse.paraview.org/t/catalyst-image-write-error-using-osmesa-llvmpipe-on-power9-cluster/5270)

<div class="topic-metadata">

**Author:** [@francescos](https://discourse.paraview.org/u/francescos)\
**Replies:** 0\
**Last updated:** [September 4, 2020, 12:33pm UTC](https://discourse.paraview.org/t/catalyst-image-write-error-using-osmesa-llvmpipe-on-power9-cluster/5270 "2020-09-04T12:33:25Z")

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We have a Paraview Catalyst v5.8.1 pipeline based on RectilinearGrid fields. Everything works on x86 platforms, while on the Power9 cluster we found random but very frequent failures, especially with a high number of MPI…

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## [ParaView 5.6.0 Build GUI not working](https://discourse.paraview.org/t/paraview-5-6-0-build-gui-not-working/3698)

<div class="topic-metadata">

**Author:** [@MaxEdinger](https://discourse.paraview.org/u/MaxEdinger)\
**Replies:** 0\
**Last updated:** [February 28, 2020, 8:07pm UTC](https://discourse.paraview.org/t/paraview-5-6-0-build-gui-not-working/3698 "2020-02-28T20:07:36Z")

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I tried to build ParaView 5.6.0 with the source files provided on the ParaView website on a Kubuntu 18.04 LTS system. The build process was successful, however the GUI does not work properly. Only the window borders are …

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## [QChart can be used in the solution compiled paraview-v5.6.0\_source?](https://discourse.paraview.org/t/qchart-can-be-used-in-the-solution-compiled-paraview-v5-6-0-source/1040)

<div class="topic-metadata">

**Author:** [@arthur](https://discourse.paraview.org/u/arthur)\
**Replies:** 0\
**Last updated:** [December 14, 2018, 2:09pm UTC](https://discourse.paraview.org/t/qchart-can-be-used-in-the-solution-compiled-paraview-v5-6-0-source/1040 "2018-12-14T14:09:10Z")

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hello everyone! I use cmake to compile Paraview5.6.0 source and get the VS solution of paraview C++ sourecode,but when I try to new a QChart object,run the VS solution,it corrupt，I want to add QChart module into the so…

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## [Add a string property to a python reader](https://discourse.paraview.org/t/add-a-string-property-to-a-python-reader/11471)

<div class="topic-metadata">

**Author:** [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)\
**Replies:** 2\
**Last updated:** [February 23, 2023, 9:55am UTC](https://discourse.paraview.org/t/add-a-string-property-to-a-python-reader/11471 "2023-02-23T09:55:16Z")

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I have a custom reader written in Python which loads an HDF5 file and generates a vtkMultiBlockDataSet with some vtkUnstructedGrid on the leafs of the hierarchy. However, this can get too slow, as the file may contain a …

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## [\[Tutorial\] Streamlines on a 2D slice using only "Stream Tracer" filter](https://discourse.paraview.org/t/tutorial-streamlines-on-a-2d-slice-using-only-stream-tracer-filter/17435)

<div class="topic-metadata">

**Author:** [@Il\_Briga](https://discourse.paraview.org/u/Il_Briga)\
**Replies:** 1\
**Last updated:** [February 9, 2026, 10:04am UTC](https://discourse.paraview.org/t/tutorial-streamlines-on-a-2d-slice-using-only-stream-tracer-filter/17435 "2026-02-09T10:04:13Z")

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Hello folks, Since i have spent more than 3 weeks (my bad) trying to figure out how to generate 2D streamlines from a 3D volume, using only Streamtracer filter, i provide here a very brief guide which should be compatib…

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## [Is there any easy way to translate paraview's Python code to c++?](https://discourse.paraview.org/t/is-there-any-easy-way-to-translate-paraviews-python-code-to-c/6920)

<div class="topic-metadata">

**Author:** [@IrinaZhuang](https://discourse.paraview.org/u/IrinaZhuang)\
**Replies:** 1\
**Last updated:** [April 9, 2021, 8:27pm UTC](https://discourse.paraview.org/t/is-there-any-easy-way-to-translate-paraviews-python-code-to-c/6920 "2021-04-09T20:27:06Z")

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As titled, I was currently asked to use c++ to finish my project, but I have already done it in python. So I would like to know if there is some easy way to translate python code to c++, given that paraview was written i…

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## [Why this file not open in Paraview 5.9.0](https://discourse.paraview.org/t/why-this-file-not-open-in-paraview-5-9-0/7821)

<div class="topic-metadata">

**Author:** [@Diogo\_Cecilio](https://discourse.paraview.org/u/Diogo_Cecilio)\
**Replies:** 1\
**Last updated:** [August 15, 2021, 5:47am UTC](https://discourse.paraview.org/t/why-this-file-not-open-in-paraview-5-9-0/7821 "2021-08-15T05:47:39Z")

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Why the following file not opening in Paraview? vtk DataFile Version 3.0 File generated from DClib ASCII DATASET UNSTRUCTURED\_GRID POINTS 141 float 0 0 0.2 0 0 0.15 0 0.05 0.2 0 0 0.1 0 0.1 0.2 0 0.05 0.1 0 0.…

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## [Error in making paraview for OpenFOAM.](https://discourse.paraview.org/t/error-in-making-paraview-for-openfoam/6142)

<div class="topic-metadata">

**Author:** [@jinshah-bs](https://discourse.paraview.org/u/jinshah-bs)\
**Replies:** 1\
**Last updated:** [December 29, 2020, 2:17pm UTC](https://discourse.paraview.org/t/error-in-making-paraview-for-openfoam/6142 "2020-12-29T14:17:11Z")

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With -python option the paraview is compiling fine but showing GREW error in opening the window. Also it seems the graphics is not proper. With -python flag It end up in an error as i shown below. I tried many ways but …

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## [Please Help Me Fix This Quality Issue \[URGENT\]](https://discourse.paraview.org/t/please-help-me-fix-this-quality-issue-urgent/10920)

<div class="topic-metadata">

**Author:** [@DarkTyrantula](https://discourse.paraview.org/u/DarkTyrantula)\
**Replies:** 2\
**Last updated:** [December 7, 2022, 3:00pm UTC](https://discourse.paraview.org/t/please-help-me-fix-this-quality-issue-urgent/10920 "2022-12-07T15:00:56Z")

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My stream tracer does not look like air flow at all and the colour mapping is also stuck to 1 solid colour. Can someone tell me what to do to fix this quality issue? I have been working with paraview on my school’s d…

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## [Algorithm / Integrator Type Particle Tracer / Path Filter](https://discourse.paraview.org/t/algorithm-integrator-type-particle-tracer-path-filter/10750)

<div class="topic-metadata">

**Author:** [@alkali](https://discourse.paraview.org/u/alkali)\
**Replies:** 2\
**Last updated:** [November 30, 2022, 1:06am UTC](https://discourse.paraview.org/t/algorithm-integrator-type-particle-tracer-path-filter/10750 "2022-11-30T01:06:46Z")

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Hi, which integrator / algorithm is implemented in PV for calulating the particle tracer / path filter? I can find Runge-Kutta for example for the Stream Tracer, but for the particle tracer there is unfornutately no in…

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## [Select a single cell with pvpython script](https://discourse.paraview.org/t/select-a-single-cell-with-pvpython-script/15821)

<div class="topic-metadata">

**Author:** [@mike518](https://discourse.paraview.org/u/mike518)\
**Replies:** 8\
**Last updated:** [December 4, 2024, 12:58pm UTC](https://discourse.paraview.org/t/select-a-single-cell-with-pvpython-script/15821 "2024-12-04T12:58:26Z")

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Hi, I apologise if I have overlooked the solution to this question, but I haven’t found it yet. In order to determine a quasi steady state, we in the team like to square the speed and have the development over time out…

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## [ParaView Visualizer segmentation fault when starting up](https://discourse.paraview.org/t/paraview-visualizer-segmentation-fault-when-starting-up/15317)

<div class="topic-metadata">

**Author:** [@tommypope20](https://discourse.paraview.org/u/tommypope20)\
**Replies:** 3\
**Last updated:** [August 29, 2024, 4:22pm UTC](https://discourse.paraview.org/t/paraview-visualizer-segmentation-fault-when-starting-up/15317 "2024-08-29T16:22:50Z")

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Hi. I am trying to use ParaView 5.12.0-osmesa on an Ubuntu 22.04 machine. Specifically I am attempting to start the ParaView web visualizer using ‘./pvpython -m paraview.apps.visualizer’. Upon running this command, all …

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## [Why is pvserver using only one cpu ?](https://discourse.paraview.org/t/why-is-pvserver-using-only-one-cpu/9355)

<div class="topic-metadata">

**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 0\
**Last updated:** [April 5, 2022, 5:33am UTC](https://discourse.paraview.org/t/why-is-pvserver-using-only-one-cpu/9355 "2022-04-05T05:33:54Z")

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I spun out a small 2 node MPI cluster on AWS to get familiar with Paraview in distributed mode. Each node has 2 cores From the head node, I ran the following command /shared/ParaView-5.10.1-osmesa-MPI-Linux-Python3.9-…

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## [csv file with latitude and longitude values](https://discourse.paraview.org/t/csv-file-with-latitude-and-longitude-values/4446)

<div class="topic-metadata">

**Author:** [@yvonneg](https://discourse.paraview.org/u/yvonneg)\
**Replies:** 0\
**Last updated:** [May 29, 2020, 10:26am UTC](https://discourse.paraview.org/t/csv-file-with-latitude-and-longitude-values/4446 "2020-05-29T10:26:52Z")

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Hi I hope my question is understandable: I have a csv file with InSitu observations that I want to display in paraview along with results from our operational ocean model and some topography. The csv file contains lati…

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## [Seeking help building the superbuild](https://discourse.paraview.org/t/seeking-help-building-the-superbuild/15309)

<div class="topic-metadata">

**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 6\
**Last updated:** [August 27, 2024, 6:39pm UTC](https://discourse.paraview.org/t/seeking-help-building-the-superbuild/15309 "2024-08-27T18:39:19Z")

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Hello, I need to build ParaView and it’s dependencies to run ParaView through Catalyst from our simulation code. I therefore need ParaView to be built against our environments, particularly our various MPIs. I am tryin…

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## [Unable to open XDMF files](https://discourse.paraview.org/t/unable-to-open-xdmf-files/15220)

<div class="topic-metadata">

**Author:** [@juneyounglim](https://discourse.paraview.org/u/juneyounglim)\
**Replies:** 6\
**Last updated:** [August 13, 2024, 9:06am UTC](https://discourse.paraview.org/t/unable-to-open-xdmf-files/15220 "2024-08-13T09:06:45Z")

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Hi, I’m encountering the same problem (errors appear when I open .h5, .xmf files) So, in which reader do I need to open each files?? I got Visit\*\*\*\* reader options when I try to open .h5 files, and error message appe…

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## [Trouble Visualizing Separate Domains in ParaView with FEniCS XDMF Output](https://discourse.paraview.org/t/trouble-visualizing-separate-domains-in-paraview-with-fenics-xdmf-output/15162)

<div class="topic-metadata">

**Author:** [@Mehran](https://discourse.paraview.org/u/Mehran)\
**Replies:** 6\
**Last updated:** [August 2, 2024, 7:48pm UTC](https://discourse.paraview.org/t/trouble-visualizing-separate-domains-in-paraview-with-fenics-xdmf-output/15162 "2024-08-02T19:48:32Z")

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Hello, I am currently working on a simulation in FEniCS that involves multiple domains, and I am encountering difficulties in visualizing these domains separately in ParaView. I have attempted to save the simulation res…

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## [Exodus file does not contain sidesets](https://discourse.paraview.org/t/exodus-file-does-not-contain-sidesets/14959)

<div class="topic-metadata">

**Author:** [@Mhamad\_Mahdi\_Alloush](https://discourse.paraview.org/u/Mhamad_Mahdi_Alloush)\
**Replies:** 6\
**Last updated:** [July 3, 2024, 9:41am UTC](https://discourse.paraview.org/t/exodus-file-does-not-contain-sidesets/14959 "2024-07-03T09:41:26Z")

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Hi, I loaded a mesh (specifically an openfoam mesh) into paraview, and I need to export it to as an exodus file with sidesets. However, as I tried to do that, I cant see the sidesets in the exodus file. Should I do any …

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## [Visualisation problem](https://discourse.paraview.org/t/visualisation-problem/17611)

<div class="topic-metadata">

**Author:** [@James0306](https://discourse.paraview.org/u/James0306)\
**Replies:** 1\
**Last updated:** [June 10, 2026, 2:07pm UTC](https://discourse.paraview.org/t/visualisation-problem/17611 "2026-06-10T14:07:57Z")

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Title: ParaView shows strange black/white distorted viewport after zooming Hello, I am using ParaView on Windows. Recently, the 3D render view suddenly became abnormal. After I zoom or scroll the mouse wheel, the viewp…

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## [native vtkProcessXML for cross-compilation ?](https://discourse.paraview.org/t/native-vtkprocessxml-for-cross-compilation/9810)

<div class="topic-metadata">

**Author:** [@jschueller](https://discourse.paraview.org/u/jschueller)\
**Replies:** 1\
**Last updated:** [September 7, 2022, 8:54pm UTC](https://discourse.paraview.org/t/native-vtkprocessxml-for-cross-compilation/9810 "2022-09-07T20:54:51Z")

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in cross-compilation mode we need a native version of the vtkProcessXML executable that is part of paraview when no emulator is available I dont seem to find a paraview equivalent of VTK\_BUILD\_COMPILE\_TOOLS\_ONLY though,…

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## [Volume](https://discourse.paraview.org/t/volume/4453)

<div class="topic-metadata">

**Author:** [@Emil\_Wind](https://discourse.paraview.org/u/Emil_Wind)\
**Replies:** 1\
**Last updated:** [June 1, 2020, 1:44am UTC](https://discourse.paraview.org/t/volume/4453 "2020-06-01T01:44:35Z")

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Have a simscale simulation of water leaving a bottle. Am trying to figure out the volume of fluid still inside the bottle at any time. Anyone know how this is done? Thanks

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## [ParaView older versions missing doc](https://discourse.paraview.org/t/paraview-older-versions-missing-doc/3125)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 1\
**Last updated:** [December 11, 2019, 1:08pm UTC](https://discourse.paraview.org/t/paraview-older-versions-missing-doc/3125 "2019-12-11T13:08:39Z")

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Looks like the older version of ParaView C++ doc is missing : https://kitware.github.io/paraview-docs/v5.6.1/cxx/ @cory.quammen @utkarsh.ayachit

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## [Add X3Dom export to get a easy webgl renderer](https://discourse.paraview.org/t/add-x3dom-export-to-get-a-easy-webgl-renderer/7042)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 0\
**Last updated:** [April 22, 2021, 4:38pm UTC](https://discourse.paraview.org/t/add-x3dom-export-to-get-a-easy-webgl-renderer/7042 "2021-04-22T16:38:06Z")

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From a user voice request add X3Dom export to get a easy webgl rendere ParaView has already a nice X3D exporter. Would be very easy and useful if somebody would create an additional X3Dom exporter by adding some static …

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## [cannot load multiple ParaDiS data file in v5.8 (ubuntu 20.04)](https://discourse.paraview.org/t/cannot-load-multiple-paradis-data-file-in-v5-8-ubuntu-20-04/4872)

<div class="topic-metadata">

**Author:** [@yi\_hu](https://discourse.paraview.org/u/yi_hu)\
**Replies:** 0\
**Last updated:** [July 17, 2020, 7:19am UTC](https://discourse.paraview.org/t/cannot-load-multiple-paradis-data-file-in-v5-8-ubuntu-20-04/4872 "2020-07-17T07:19:39Z")

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I am using ubuntu 20.04 and installed ParaView 5.8. It can load single .data file from my ParaDiS simulation. It crashes when loading the second (the same happens for loading a result serie). Could anyone help me with t…

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## [Opening data from Girder / Other data platforms to Paraview frontend](https://discourse.paraview.org/t/opening-data-from-girder-other-data-platforms-to-paraview-frontend/719)

<div class="topic-metadata">

**Author:** [@tudor33sud](https://discourse.paraview.org/u/tudor33sud)\
**Replies:** 0\
**Last updated:** [October 12, 2018, 7:35am UTC](https://discourse.paraview.org/t/opening-data-from-girder-other-data-platforms-to-paraview-frontend/719 "2018-10-12T07:35:14Z")

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Hello, Paraview frontend is very promising, and I’d like to know how it can be integrated with data platforms. You have an example showing that data on Girder can be launched directly into the frontend. Any thoughts ab…

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## [Scatter Plot is crashing](https://discourse.paraview.org/t/scatter-plot-is-crashing/8428)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 2\
**Last updated:** [November 18, 2021, 9:41pm UTC](https://discourse.paraview.org/t/scatter-plot-is-crashing/8428 "2021-11-18T21:41:01Z")

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Hi guys, Scatter plot is crashing on a reasonably large dataset for a user. Linux, 5.9.1 and 5.10.0-RC1, remote server (16 ranks). Dataset is about 2 million cells, 512 files. Server side looks healthy. Crash is on t…

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## [Where should Paraview bug issues be filed?](https://discourse.paraview.org/t/where-should-paraview-bug-issues-be-filed/6905)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 2\
**Last updated:** [April 8, 2021, 11:29pm UTC](https://discourse.paraview.org/t/where-should-paraview-bug-issues-be-filed/6905 "2021-04-08T23:29:43Z")

</div>

What it says above.

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## [Unable to load high-resolution Nek5000 files](https://discourse.paraview.org/t/unable-to-load-high-resolution-nek5000-files/9741)

<div class="topic-metadata">

**Author:** [@cjacob](https://discourse.paraview.org/u/cjacob)\
**Replies:** 0\
**Last updated:** [June 6, 2022, 5:43am UTC](https://discourse.paraview.org/t/unable-to-load-high-resolution-nek5000-files/9741 "2022-06-06T05:43:38Z")

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Dear ParaView community, I have been using ParaView to visualize (Nek5000) CFD simulation data and recently hit on a problem when I attempted to load some high-resolution data files. Below is the error message: ERROR…

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## [Headless Paraview Rendering using Ospray](https://discourse.paraview.org/t/headless-paraview-rendering-using-ospray/11924)

<div class="topic-metadata">

**Author:** [@Abbas](https://discourse.paraview.org/u/Abbas)\
**Replies:** 1\
**Last updated:** [April 19, 2023, 2:29pm UTC](https://discourse.paraview.org/t/headless-paraview-rendering-using-ospray/11924 "2023-04-19T14:29:45Z")

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Hi there, I am trying to figure out the workflow for getting paraview to run on the cloud. I intend to use purely command line interface to eventually generate and export .png images that I can download. Now my questio…

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## [Building ctest test, that is supposed to print ERR(ors) but terminate cleanly](https://discourse.paraview.org/t/building-ctest-test-that-is-supposed-to-print-err-ors-but-terminate-cleanly/7624)

<div class="topic-metadata">

**Author:** [@florian.ziemen](https://discourse.paraview.org/u/florian.ziemen)\
**Replies:** 1\
**Last updated:** [July 15, 2021, 2:52pm UTC](https://discourse.paraview.org/t/building-ctest-test-that-is-supposed-to-print-err-ors-but-terminate-cleanly/7624 "2021-07-15T14:52:05Z")

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I’ve created a bunch of tests for the CDI (netcdf) reader, and I would like to also add tests with broken files / … where paraview is supposed to throw errors, but not crash. Now, when I build a test that causes an error…

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## [ParaView Quest2 Locomotion](https://discourse.paraview.org/t/paraview-quest2-locomotion/12929)

<div class="topic-metadata">

**Author:** [@hasraz](https://discourse.paraview.org/u/hasraz)\
**Replies:** 2\
**Last updated:** [September 26, 2023, 9:18am UTC](https://discourse.paraview.org/t/paraview-quest2-locomotion/12929 "2023-09-26T09:18:45Z")

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Hello, I am trying to use the Quest2 with the XRInterface plugin. I’m able to view and interact with the data in Quest2 successfully. However, I can’t find anywhere to understand how to use the Quest2 controller. So fa…

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## [Paraview Crashing When Opening](https://discourse.paraview.org/t/paraview-crashing-when-opening/11862)

<div class="topic-metadata">

**Author:** [@LiamParr](https://discourse.paraview.org/u/LiamParr)\
**Replies:** 2\
**Last updated:** [April 30, 2023, 5:07pm UTC](https://discourse.paraview.org/t/paraview-crashing-when-opening/11862 "2023-04-30T17:07:13Z")

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Hi, I am currently doing a project in which I am using paraview to post process data. I have already collected data for this model, however I realised that i missed out a couple of things. Paraview was working perfectly…

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## [What does {camera} stand for in ParaView Catalyst scripts](https://discourse.paraview.org/t/what-does-camera-stand-for-in-paraview-catalyst-scripts/11848)

<div class="topic-metadata">

**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 2\
**Last updated:** [April 17, 2023, 3:08pm UTC](https://discourse.paraview.org/t/what-does-camera-stand-for-in-paraview-catalyst-scripts/11848 "2023-04-17T15:08:09Z")

</div>

When I export Catalyst scripts, I get file names of the like pNG1.Writer.FileName = ‘RenderView1\_{timestep:06d}\_{camera}.png’ What does {camera} stand for and which node in Conduit should I fill for this field to be re…

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## [Pb with PointDataToCellData with categorical data](https://discourse.paraview.org/t/pb-with-pointdatatocelldata-with-categorical-data/11291)

<div class="topic-metadata">

**Author:** [@Loic](https://discourse.paraview.org/u/Loic)\
**Replies:** 2\
**Last updated:** [January 30, 2023, 8:36am UTC](https://discourse.paraview.org/t/pb-with-pointdatatocelldata-with-categorical-data/11291 "2023-01-30T08:36:36Z")

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Hi, I’m trying to use the PointDataToCellData filter but it seems that this filter produces no output when I activate the “Categorical Data” option. Is there something special to take care off with that option ? Here …

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## [Compute Derivatives of a scalar in a direction based on a Contour line](https://discourse.paraview.org/t/compute-derivatives-of-a-scalar-in-a-direction-based-on-a-contour-line/11086)

<div class="topic-metadata">

**Author:** [@phivos](https://discourse.paraview.org/u/phivos)\
**Replies:** 0\
**Last updated:** [December 30, 2022, 5:55pm UTC](https://discourse.paraview.org/t/compute-derivatives-of-a-scalar-in-a-direction-based-on-a-contour-line/11086 "2022-12-30T17:55:51Z")

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Hi all, Starting from the vtk files of a 2-d case containing point data, I’ve been trying to compute the derivatives of a scalar (temperature). The Compute Derivatives or the Gradient filters, compute these in the X and…

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## [Issues with Graphs in Paraview](https://discourse.paraview.org/t/issues-with-graphs-in-paraview/8976)

<div class="topic-metadata">

**Author:** [@Arapi\_K](https://discourse.paraview.org/u/Arapi_K)\
**Replies:** 0\
**Last updated:** [February 15, 2022, 8:54pm UTC](https://discourse.paraview.org/t/issues-with-graphs-in-paraview/8976 "2022-02-15T20:54:46Z")

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When doing the analysis of a turbulent flow smooth flat plate from SU2 on Paraview, and I try to generate results for the velocity profile, temperature profile, skin friction coefficient profile, and nusselt number profi…

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## [Possible to use a vtkOrientationMarkerWidget() in ParaView?](https://discourse.paraview.org/t/possible-to-use-a-vtkorientationmarkerwidget-in-paraview/3564)

<div class="topic-metadata">

**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 0\
**Last updated:** [February 13, 2020, 10:23pm UTC](https://discourse.paraview.org/t/possible-to-use-a-vtkorientationmarkerwidget-in-paraview/3564 "2020-02-13T22:23:54Z")

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Hello all, A new question, but an old theme – I’d like to have a 3D objecg that remains on the screen in the same location, but reorients with the data. And after failing to figure out how to use the camera parameters …

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## [how does one select a desired portion of surface image (.obj) without using the mouse? please help!](https://discourse.paraview.org/t/how-does-one-select-a-desired-portion-of-surface-image-obj-without-using-the-mouse-please-help/453)

<div class="topic-metadata">

**Author:** [@Hairfield](https://discourse.paraview.org/u/Hairfield)\
**Replies:** 0\
**Last updated:** [August 20, 2018, 11:41pm UTC](https://discourse.paraview.org/t/how-does-one-select-a-desired-portion-of-surface-image-obj-without-using-the-mouse-please-help/453 "2018-08-20T23:41:28Z")

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hi ParaView folks, I have several thousand 3D surface files (.obj) of patient’s faces with different conditions. I also have excel spreadsheet data for each patient giving me the exact x,y,z surface locations for the fa…

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## [Description of XML configuration files.](https://discourse.paraview.org/t/description-of-xml-configuration-files/12260)

<div class="topic-metadata">

**Author:** [@OlegIT](https://discourse.paraview.org/u/OlegIT)\
**Replies:** 1\
**Last updated:** [June 9, 2023, 7:50am UTC](https://discourse.paraview.org/t/description-of-xml-configuration-files/12260 "2023-06-09T07:50:20Z")

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Help me find documentation on XML configuration files describing the behavior of filters. What I found is not a complete description. There is a text \<StringVectorProperty command="SetInputArrayToProcess" …

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## [Post-processing on batch mode issue](https://discourse.paraview.org/t/post-processing-on-batch-mode-issue/10550)

<div class="topic-metadata">

**Author:** [@Shreyas](https://discourse.paraview.org/u/Shreyas)\
**Replies:** 1\
**Last updated:** [October 20, 2022, 1:10am UTC](https://discourse.paraview.org/t/post-processing-on-batch-mode-issue/10550 "2022-10-20T01:10:58Z")

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Hello, I represent the CFD team of LiU Formula student where we use ParaView for postprocessing. The python script runs with no errors capturing all the images on interactive mode. However, the following error seen in t…

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## [How to track arbitrary points within polyline cells with the TemporalParticlesToPathlines filter?](https://discourse.paraview.org/t/how-to-track-arbitrary-points-within-polyline-cells-with-the-temporalparticlestopathlines-filter/5254)

<div class="topic-metadata">

**Author:** [@wyan](https://discourse.paraview.org/u/wyan)\
**Replies:** 1\
**Last updated:** [September 3, 2020, 8:08am UTC](https://discourse.paraview.org/t/how-to-track-arbitrary-points-within-polyline-cells-with-the-temporalparticlestopathlines-filter/5254 "2020-09-03T08:08:55Z")

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We have a time sequence of some polyline points and cells. Tracking the motion of cell centers is straightforward, we can first apply the ‘cell center’ filter and then apply the TemporalParticlesToPathlines filter. Is t…

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## [Export of 3D-model with animation](https://discourse.paraview.org/t/export-of-3d-model-with-animation/17463)

<div class="topic-metadata">

**Author:** [@Hylten](https://discourse.paraview.org/u/Hylten)\
**Replies:** 4\
**Last updated:** [March 9, 2026, 9:24am UTC](https://discourse.paraview.org/t/export-of-3d-model-with-animation/17463 "2026-03-09T09:24:38Z")

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\*Hello, as i am new to both the worlds of forum as well as to ParaView’s forum I do appologise if my question is in the wrong topic or already answered. Is it possible to already export my model to a 3d file format tha…

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## [Field relative to average per slice](https://discourse.paraview.org/t/field-relative-to-average-per-slice/7726)

<div class="topic-metadata">

**Author:** [@the\_german\_squirrel](https://discourse.paraview.org/u/the_german_squirrel)\
**Replies:** 0\
**Last updated:** [July 30, 2021, 9:35am UTC](https://discourse.paraview.org/t/field-relative-to-average-per-slice/7726 "2021-07-30T09:35:24Z")

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Hi, I’d like to show the perturbation of a field (point array) relative to the average along one coordinate (or more precise: For each point, I want to compute the percentage perturbation of a parameter relative to the …

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## [ParaView Nvidia IndeX: how to assign GPU for CPU](https://discourse.paraview.org/t/paraview-nvidia-index-how-to-assign-gpu-for-cpu/5677)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 0\
**Last updated:** [October 29, 2020, 4:17am UTC](https://discourse.paraview.org/t/paraview-nvidia-index-how-to-assign-gpu-for-cpu/5677 "2020-10-29T04:17:10Z")

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Dear Experts, I am testing Nvidia Index with 16 cpus and only 8 GPU: default, seems it treat one GPU per CPU, and try to find GPU 8 - 15… I want to use command line option: “–displays=0,1,2,3,4,5,6,7” to tell there are…

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## [CSV Writer from VTK](https://discourse.paraview.org/t/csv-writer-from-vtk/15371)

<div class="topic-metadata">

**Author:** [@rmdmagalong](https://discourse.paraview.org/u/rmdmagalong)\
**Replies:** 2\
**Last updated:** [September 11, 2024, 6:40am UTC](https://discourse.paraview.org/t/csv-writer-from-vtk/15371 "2024-09-11T06:40:50Z")

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Hi everyone, I am trying to extract data from a VTK in the form of CSV. Now, I want it to have columns of X, Y, Z, and the Resistivity. I have used the CSV writer for this: Now, if I click on point data, only XYZ col…

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## [Streamlines for vtu File](https://discourse.paraview.org/t/streamlines-for-vtu-file/14819)

<div class="topic-metadata">

**Author:** [@Pascal\_P](https://discourse.paraview.org/u/Pascal_P)\
**Replies:** 2\
**Last updated:** [June 10, 2024, 4:46pm UTC](https://discourse.paraview.org/t/streamlines-for-vtu-file/14819 "2024-06-10T16:46:40Z")

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Hello, I am trying to apply the stream tracer to the following vtu file. output.vtu (129.4 KB) But I don’t get any Streamlines. My question is, is it because of the data or am I doing something wrong? The data is the…

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