# Top

**URL:** https://discourse.paraview.org/top.md?page=137&period=all

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

**Page:** 138

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## [TemporalInterpolator in Python](https://discourse.paraview.org/t/temporalinterpolator-in-python/10128)

<div class="topic-metadata">

**Author:** [@Mike\_Tree](https://discourse.paraview.org/u/Mike_Tree)\
**Replies:** 0\
**Last updated:** [August 9, 2022, 9:30pm UTC](https://discourse.paraview.org/t/temporalinterpolator-in-python/10128 "2022-08-09T21:30:39Z")

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I have the following code created by saving a Python state file: from paraview.simple import \* # create a new 'STL Reader' leaflets\_ = STLReader(FileNames=\['/beegfs/hpc\_shared/non\_defense/cardio\_med/VenusP/gt\_high\_spe…

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## [Upcoming Khronos ANARI rendering Webinar](https://discourse.paraview.org/t/upcoming-khronos-anari-rendering-webinar/4911)

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**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 0\
**Last updated:** [July 21, 2020, 2:45pm UTC](https://discourse.paraview.org/t/upcoming-khronos-anari-rendering-webinar/4911 "2020-07-21T14:45:52Z")

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Hi folks, If you would like to know more about plans for the next generation of the OSPRay/OptiX rendering infrastructure, sign up for this webinar on August 19’th. https://mailchi.mp/khronos/test-871146?e=af5273b617 c…

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## [Offscreen rendering options in Linux](https://discourse.paraview.org/t/offscreen-rendering-options-in-linux/263)

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**Author:** [@Someone\_fromjapan](https://discourse.paraview.org/u/Someone_fromjapan)\
**Replies:** 0\
**Last updated:** [July 2, 2018, 7:58am UTC](https://discourse.paraview.org/t/offscreen-rendering-options-in-linux/263 "2018-07-02T07:58:06Z")

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It is known that in VirtualBox Guest Additions for Linux provide incomplete 3D hardware rendering to linux. Unfortunately, mesa based software has OGL window rendered on top of all screen graphics. And it can not be fix…

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## [What algorithm is used for Connectivity Filter](https://discourse.paraview.org/t/what-algorithm-is-used-for-connectivity-filter/10327)

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**Author:** [@kylebeggs](https://discourse.paraview.org/u/kylebeggs)\
**Replies:** 1\
**Last updated:** [September 15, 2022, 3:07pm UTC](https://discourse.paraview.org/t/what-algorithm-is-used-for-connectivity-filter/10327 "2022-09-15T15:07:00Z")

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As the title says, I wish to know what algorithm the connectivity filter uses. Is there any way to find out or is it a custom Kitware algorithm?

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## [PVbatch running in a single thread](https://discourse.paraview.org/t/pvbatch-running-in-a-single-thread/7816)

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**Author:** [@Vamsi\_Galigutta](https://discourse.paraview.org/u/Vamsi_Galigutta)\
**Replies:** 1\
**Last updated:** [August 12, 2021, 11:07pm UTC](https://discourse.paraview.org/t/pvbatch-running-in-a-single-thread/7816 "2021-08-12T23:07:24Z")

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Hi, I am new to paraview and am struggling with something that seems basic. I downloaded the full version of paraview 5.9.1 to my desktop machine with Nvidia gpu and am able to script it to run my animation job (generat…

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## [Extract subset from unstructured dataset into spatial uniform grid](https://discourse.paraview.org/t/extract-subset-from-unstructured-dataset-into-spatial-uniform-grid/10899)

<div class="topic-metadata">

**Author:** [@catiocean](https://discourse.paraview.org/u/catiocean)\
**Replies:** 0\
**Last updated:** [December 2, 2022, 7:24am UTC](https://discourse.paraview.org/t/extract-subset-from-unstructured-dataset-into-spatial-uniform-grid/10899 "2022-12-02T07:24:53Z")

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Hello, My question is about how to create a spatially evenly distributed (approximately) vector field from unstructured grid. I am working on generating tidal current velocity field in a coastal area using Glyph. Howev…

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## [\[Catalyst V2\] access conduit node created in C++ in the catalyst python script](https://discourse.paraview.org/t/catalyst-v2-access-conduit-node-created-in-c-in-the-catalyst-python-script/6983)

<div class="topic-metadata">

**Author:** [@Pietro\_Incardona](https://discourse.paraview.org/u/Pietro_Incardona)\
**Replies:** 0\
**Last updated:** [April 16, 2021, 8:42pm UTC](https://discourse.paraview.org/t/catalyst-v2-access-conduit-node-created-in-c-in-the-catalyst-python-script/6983 "2021-04-16T20:42:33Z")

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I have a C++ code that create a counduit node that is passed to catalyst\_execute. This call the function catalyst\_execute in a python script. Because conduit has the potential to pass information to the python environmen…

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## [merging data .foam file into one data array for plots](https://discourse.paraview.org/t/merging-data-foam-file-into-one-data-array-for-plots/1718)

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**Author:** [@onimoes](https://discourse.paraview.org/u/onimoes)\
**Replies:** 0\
**Last updated:** [April 24, 2019, 8:08am UTC](https://discourse.paraview.org/t/merging-data-foam-file-into-one-data-array-for-plots/1718 "2019-04-24T08:08:29Z")

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Hello, I am a bit new to Paraview and i am not very good with it, i have through simsale a .foam file with my results, now i have my wall regions selected and loaded with the data array that i want to plot, now only all…

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## [collasp when reading .vtu files](https://discourse.paraview.org/t/collasp-when-reading-vtu-files/13084)

<div class="topic-metadata">

**Author:** [@Maozhu\_Peng](https://discourse.paraview.org/u/Maozhu_Peng)\
**Replies:** 5\
**Last updated:** [October 23, 2023, 3:30pm UTC](https://discourse.paraview.org/t/collasp-when-reading-vtu-files/13084 "2023-10-23T15:30:48Z")

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1E.vtu (982 Bytes) 2E.vtu (1.1 KB) Hi, When I tried to read the “2E.vtu” file using paraview, the software stoped responding and shutted down. But when I tried to read the same file using Tecplot, everthing went fine.…

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## [FieldData in VTKHDF](https://discourse.paraview.org/t/fielddata-in-vtkhdf/14220)

<div class="topic-metadata">

**Author:** [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)\
**Replies:** 3\
**Last updated:** [March 21, 2024, 2:44pm UTC](https://discourse.paraview.org/t/fielddata-in-vtkhdf/14220 "2024-03-21T14:44:02Z")

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I have a transient VTKHDF file with some field data. However, I am unable to get that data in ParaView. This is my file structure: HDF5 "64e3622bc995b8d31f50958b\_sim.vtkhdf" { GROUP "/" { GROUP "VTKHDF" { ATTR…

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## [Add sub ticks to the Axis Grid](https://discourse.paraview.org/t/add-sub-ticks-to-the-axis-grid/7351)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 0\
**Last updated:** [June 4, 2021, 1:12am UTC](https://discourse.paraview.org/t/add-sub-ticks-to-the-axis-grid/7351 "2021-06-04T01:12:41Z")

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Please add sub ticks to the Axis Grid.

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## [Staggered grid with Paraview](https://discourse.paraview.org/t/staggered-grid-with-paraview/5764)

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**Author:** [@GR4EM](https://discourse.paraview.org/u/GR4EM)\
**Replies:** 0\
**Last updated:** [November 10, 2020, 10:21pm UTC](https://discourse.paraview.org/t/staggered-grid-with-paraview/5764 "2020-11-10T22:21:54Z")

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Hi all! Is there any way to display results of CFD algorithm that uses staggered grid without interpolation? My main grid is (x\_i,y\_j,z\_k). Pressure is located in the middle of the cell: (x\_i+1/2, y\_j+1/2, z\_k+1/2) and…

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## [Imposing periodicity in Gradient calculations.](https://discourse.paraview.org/t/imposing-periodicity-in-gradient-calculations/4355)

<div class="topic-metadata">

**Author:** [@kvishal](https://discourse.paraview.org/u/kvishal)\
**Replies:** 0\
**Last updated:** [May 18, 2020, 1:00pm UTC](https://discourse.paraview.org/t/imposing-periodicity-in-gradient-calculations/4355 "2020-05-18T13:00:37Z")

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Hello All, By any chance, is there a way in Paraview to impose boundary conditions (specifically periodicity) for gradient calculations? My data is 3D, unstructured, and in Ensight Gold format. regards, Vishal

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## [This occurs after running paraview：Loguru caught a signal: SIGSEGV](https://discourse.paraview.org/t/this-occurs-after-running-paraview-loguru-caught-a-signal-sigsegv/14109)

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**Author:** [@yien](https://discourse.paraview.org/u/yien)\
**Replies:** 2\
**Last updated:** [April 1, 2024, 8:48pm UTC](https://discourse.paraview.org/t/this-occurs-after-running-paraview-loguru-caught-a-signal-sigsegv/14109 "2024-04-01T20:48:47Z")

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Install ParaView in WSL2，Typing paraview in ubuntu, this happens, hope it can help me solve this problem.

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## [Replace a variable when LoadState()](https://discourse.paraview.org/t/replace-a-variable-when-loadstate/12921)

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**Author:** [@madmoonman](https://discourse.paraview.org/u/madmoonman)\
**Replies:** 2\
**Last updated:** [September 26, 2023, 6:18am UTC](https://discourse.paraview.org/t/replace-a-variable-when-loadstate/12921 "2023-09-26T06:18:51Z")

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Hello experts! I am using LoadState from paraview.simple to load a state file. We can readily provide a data directory there to replace the data in the file with a new one. Now I am also looking for a way to replace a s…

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## [VTPD files](https://discourse.paraview.org/t/vtpd-files/12560)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 2\
**Last updated:** [July 24, 2023, 12:14pm UTC](https://discourse.paraview.org/t/vtpd-files/12560 "2023-07-24T12:14:43Z")

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Hi, There seems to be something weird with VTPD files for vtkPartitionedDataSets. I’m not sure yet where the disconnect is but from my understanding a vtkPartitionedDataSet should have the same field arrays for non-empt…

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## [Exporting images in vector format](https://discourse.paraview.org/t/exporting-images-in-vector-format/17191)

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**Author:** [@Federico\_Feliziani](https://discourse.paraview.org/u/Federico_Feliziani)\
**Replies:** 1\
**Last updated:** [September 17, 2025, 9:41am UTC](https://discourse.paraview.org/t/exporting-images-in-vector-format/17191 "2025-09-17T09:41:43Z")

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Hello everyone, I would like to export publication-quality vector images in pdf or eps format from paraview for my article. However, I have no success even though I’ve tried everything. My figures are still looking like…

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## [Plot deformation in one direction](https://discourse.paraview.org/t/plot-deformation-in-one-direction/9022)

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**Author:** [@Ingineering\_DjouFEA](https://discourse.paraview.org/u/Ingineering_DjouFEA)\
**Replies:** 1\
**Last updated:** [February 21, 2022, 9:18am UTC](https://discourse.paraview.org/t/plot-deformation-in-one-direction/9022 "2022-02-21T09:18:30Z")

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Hello, I have solved a problem of elasticity. And I would like to visualize the calculated deformation along one axis (x or y) for the whole domain. Please can you tell me how to do this if it is possible? Thank.

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## [Native 3D Gaussian Splatting (3DGS) reader & representation for reconstructed real-world scenes](https://discourse.paraview.org/t/native-3d-gaussian-splatting-3dgs-reader-representation-for-reconstructed-real-world-scenes/17657)

<div class="topic-metadata">

**Author:** [@Kenichiro-Yoshimi](https://discourse.paraview.org/u/Kenichiro-Yoshimi)\
**Replies:** 2\
**Last updated:** [July 13, 2026, 4:57pm UTC](https://discourse.paraview.org/t/native-3d-gaussian-splatting-3dgs-reader-representation-for-reconstructed-real-world-scenes/17657 "2026-07-13T16:57:39Z")

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Hi ParaView team, I’d like to request first-class support for 3D Gaussian Splatting (3DGS) in ParaView — both a reader for the de-facto 3DGS file format and a representation that renders the splats correctly. Motivatio…

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## [Restore some filter icons on the toolbar](https://discourse.paraview.org/t/restore-some-filter-icons-on-the-toolbar/17237)

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**Author:** [@s1291](https://discourse.paraview.org/u/s1291)\
**Replies:** 2\
**Last updated:** [October 10, 2025, 8:34am UTC](https://discourse.paraview.org/t/restore-some-filter-icons-on-the-toolbar/17237 "2025-10-10T08:34:21Z")

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In ParaView 5.x version, I frequently used the “Extract a subgrid or subsample” filter from the toolbar as shown below: However, in ParaView 6.x, that icon has been removed. How can I restore it? Thank you

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## [Cannot open ParaView after auto-loading python plugin](https://discourse.paraview.org/t/cannot-open-paraview-after-auto-loading-python-plugin/12369)

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**Author:** [@AlexFrost](https://discourse.paraview.org/u/AlexFrost)\
**Replies:** 3\
**Last updated:** [June 23, 2023, 1:10pm UTC](https://discourse.paraview.org/t/cannot-open-paraview-after-auto-loading-python-plugin/12369 "2023-06-23T13:10:17Z")

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Hello ParaView support. Using ParaView 5.10.1 and 5.11.1, I have a Python plugin “myPythonPlugin.py” which helps me read certain file extensions inside ParaView. This plugin works fine but everytime I load it using the …

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## [Exporting as .x3d from Paraview for Blender and maintaining names of part.](https://discourse.paraview.org/t/exporting-as-x3d-from-paraview-for-blender-and-maintaining-names-of-part/8553)

<div class="topic-metadata">

**Author:** [@Joe\_Milton](https://discourse.paraview.org/u/Joe_Milton)\
**Replies:** 0\
**Last updated:** [December 3, 2021, 9:09am UTC](https://discourse.paraview.org/t/exporting-as-x3d-from-paraview-for-blender-and-maintaining-names-of-part/8553 "2021-12-03T09:09:07Z")

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Hi, I’m working on a project that involves exporting CFD data from Paraview as .x3d and importing it into blender for Rendering. The problem is, when exported, all the parts of the Paraview case get named “Indexed\_Face…

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## [Rescale to data range sometimes produces garbage bounds with XDMF HDF5 file](https://discourse.paraview.org/t/rescale-to-data-range-sometimes-produces-garbage-bounds-with-xdmf-hdf5-file/8193)

<div class="topic-metadata">

**Author:** [@APrescott](https://discourse.paraview.org/u/APrescott)\
**Replies:** 0\
**Last updated:** [October 14, 2021, 5:37pm UTC](https://discourse.paraview.org/t/rescale-to-data-range-sometimes-produces-garbage-bounds-with-xdmf-hdf5-file/8193 "2021-10-14T17:37:59Z")

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Hello Paraview community, this is my first post! I’ve been experiencing some issues with visualizing a model output HDF5 data set using XDMF3. The problem: intermittently, the “Rescale to Data Range” tool sets the color…

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## [Extract data from dozens of vtu files : how to get points ids and cells ids](https://discourse.paraview.org/t/extract-data-from-dozens-of-vtu-files-how-to-get-points-ids-and-cells-ids/17058)

<div class="topic-metadata">

**Author:** [@paul18fr](https://discourse.paraview.org/u/paul18fr)\
**Replies:** 4\
**Last updated:** [August 25, 2025, 10:03am UTC](https://discourse.paraview.org/t/extract-data-from-dozens-of-vtu-files-how-to-get-points-ids-and-cells-ids/17058 "2025-08-25T10:03:07Z")

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Hi all I’m almost new in Paraview (basic use of the graphical interface), and this is the first time i’m trying to use vtk library, so sorry if my questions are very basic. Of course i’m looking for answers into interne…

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## [How to realistically display particles of two different radii](https://discourse.paraview.org/t/how-to-realistically-display-particles-of-two-different-radii/14948)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 4\
**Last updated:** [June 28, 2024, 10:33am UTC](https://discourse.paraview.org/t/how-to-realistically-display-particles-of-two-different-radii/14948 "2024-06-28T10:33:05Z")

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Hello researchers, my VTK file contains two types of particles with different radii. However, during the visualization process, I found that different particles have different colors but the same size. I want to display …

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## [Trigger Headset-Position-Save on Controller-Botton in Python](https://discourse.paraview.org/t/trigger-headset-position-save-on-controller-botton-in-python/14562)

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**Author:** [@Wagner](https://discourse.paraview.org/u/Wagner)\
**Replies:** 4\
**Last updated:** [May 22, 2024, 3:04pm UTC](https://discourse.paraview.org/t/trigger-headset-position-save-on-controller-botton-in-python/14562 "2024-05-22T15:04:48Z")

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Dear all, I’m looking to trigger capture the Camera-Position in the VivePro2-Headset on the Push of a Controller-Button to export it to file/Desktop. Is there already a way to do this? I haven’t found one so far. I wa…

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## [No apply button when opening xdmf file](https://discourse.paraview.org/t/no-apply-button-when-opening-xdmf-file/14066)

<div class="topic-metadata">

**Author:** [@javadmjs](https://discourse.paraview.org/u/javadmjs)\
**Replies:** 2\
**Last updated:** [March 1, 2024, 6:06pm UTC](https://discourse.paraview.org/t/no-apply-button-when-opening-xdmf-file/14066 "2024-03-01T18:06:54Z")

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Hi everyone! I am using Paraview 5.10 on Mac OS and try to open an XDMF file, but there is no apply button! I also checked the autoapply in the settings and it is off! I reinstalled Paraview, it worked for a while and …

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## [Paraview 5.11.0-RC1 Python Script](https://discourse.paraview.org/t/paraview-5-11-0-rc1-python-script/10303)

<div class="topic-metadata">

**Author:** [@Nikita\_Oshchepkov](https://discourse.paraview.org/u/Nikita_Oshchepkov)\
**Replies:** 1\
**Last updated:** [September 13, 2022, 5:04pm UTC](https://discourse.paraview.org/t/paraview-5-11-0-rc1-python-script/10303 "2022-09-13T17:04:12Z")

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Hello. I’m writing my own script to convert .vtk files to .gltf, but while converting I get a lot of .bin files. How Can I avoid this? ExportView(“result.gltf”,view = renderView,Compressoutputfile=1) Compressoutputfile…

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## [Show particle orientation with texture](https://discourse.paraview.org/t/show-particle-orientation-with-texture/16383)

<div class="topic-metadata">

**Author:** [@Roman](https://discourse.paraview.org/u/Roman)\
**Replies:** 8\
**Last updated:** [March 27, 2025, 8:32am UTC](https://discourse.paraview.org/t/show-particle-orientation-with-texture/16383 "2025-03-27T08:32:14Z")

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Can I somehow show the orientation of particles in a point cloud? I have a table of points, each storing a particle size (radius) and orientation vectors. I would like to see them rotate. My idea was to represent them as…

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## [I'm trying to install ParaView but do not know where to start.](https://discourse.paraview.org/t/im-trying-to-install-paraview-but-do-not-know-where-to-start/16033)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 0\
**Last updated:** [January 23, 2025, 3:23pm UTC](https://discourse.paraview.org/t/im-trying-to-install-paraview-but-do-not-know-where-to-start/16033 "2025-01-23T15:23:21Z")

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Windows Download the latest binary release of ParaView from https://paraview.org/download Download the one without mpi in the name that finish with the .exe extension Execute the installer and follow the steps Double c…

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## [Artifacts and poor performance of ParaView with vtkOpenGLVolumeRayCastMapper with high values of ScalarOpacityUnitDistance](https://discourse.paraview.org/t/artifacts-and-poor-performance-of-paraview-with-vtkopenglvolumeraycastmapper-with-high-values-of-scalaropacityunitdistance/1279)

<div class="topic-metadata">

**Author:** [@knolla](https://discourse.paraview.org/u/knolla)\
**Replies:** 0\
**Last updated:** [February 12, 2019, 6:33pm UTC](https://discourse.paraview.org/t/artifacts-and-poor-performance-of-paraview-with-vtkopenglvolumeraycastmapper-with-high-values-of-scalaropacityunitdistance/1279 "2019-02-12T18:33:37Z")

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Is there a good overview of how OpenGL 2 volume rendering in VTK is currently implemented? I’m reading through the code (e.g., vtkOpenGLGPUVolumeRayCastMapper.cxx), trying to understand performance and a few interesting…

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## [Feature Request: Exporting Paraview to PGFPlots (WYSIWYM)](https://discourse.paraview.org/t/feature-request-exporting-paraview-to-pgfplots-wysiwym/15173)

<div class="topic-metadata">

**Author:** [@bechrist](https://discourse.paraview.org/u/bechrist)\
**Replies:** 1\
**Last updated:** [August 5, 2024, 10:36pm UTC](https://discourse.paraview.org/t/feature-request-exporting-paraview-to-pgfplots-wysiwym/15173 "2024-08-05T22:36:52Z")

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Hello, I am interested in having a utility to export Paraview scenes to a what you see is what you mean (WYSIWYM) type graphics editor like PGFPlots (via TikZ/LaTeX). I am mainly interested in using Paraview to create n…

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## [Use vtk files on paraview to create 2D or 3D models as Res2Dinv and Workbench](https://discourse.paraview.org/t/use-vtk-files-on-paraview-to-create-2d-or-3d-models-as-res2dinv-and-workbench/10316)

<div class="topic-metadata">

**Author:** [@arnaud\_GREBE](https://discourse.paraview.org/u/arnaud_GREBE)\
**Replies:** 0\
**Last updated:** [September 14, 2022, 9:52am UTC](https://discourse.paraview.org/t/use-vtk-files-on-paraview-to-create-2d-or-3d-models-as-res2dinv-and-workbench/10316 "2022-09-14T09:52:56Z")

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Hello Everyone, I need your help to create 2D and 3D views with their coordinates on paraview. My datas are electrical resistivities. I present you the example of the final view I want to create and I send you also my…

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## [Training coming up on trame](https://discourse.paraview.org/t/training-coming-up-on-trame/12488)

<div class="topic-metadata">

**Author:** [@jourdain](https://discourse.paraview.org/u/jourdain)\
**Replies:** 1\
**Last updated:** [August 10, 2023, 7:02pm UTC](https://discourse.paraview.org/t/training-coming-up-on-trame/12488 "2023-08-10T19:02:06Z")

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Wondering what trame is? Well it is a Python framework for building desktop like application with a Web UI that can then be deployed either as a regular desktop application or in the cloud without any code change. Trame …

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## [Problem with Paraview reading direction dependent degrees for a \`VTK\_LAGRANGE\_QUADRILATERAL\`](https://discourse.paraview.org/t/problem-with-paraview-reading-direction-dependent-degrees-for-a-vtk-lagrange-quadrilateral/10246)

<div class="topic-metadata">

**Author:** [@lcw](https://discourse.paraview.org/u/lcw)\
**Replies:** 1\
**Last updated:** [September 15, 2022, 8:58pm UTC](https://discourse.paraview.org/t/problem-with-paraview-reading-direction-dependent-degrees-for-a-vtk-lagrange-quadrilateral/10246 "2022-09-15T20:58:02Z")

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Dear Paraview Community, I am having problems loading the following data in Paraview that contains direction dependent degrees for a VTK\_LAGRANGE\_QUADRILATERAL. \<VTKFile type="UnstructuredGrid" version="1.0" byte\_order…

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## [how to get last stage of the project i saved](https://discourse.paraview.org/t/how-to-get-last-stage-of-the-project-i-saved/10286)

<div class="topic-metadata">

**Author:** [@Pravin\_Poudel](https://discourse.paraview.org/u/Pravin_Poudel)\
**Replies:** 1\
**Last updated:** [September 9, 2022, 7:58pm UTC](https://discourse.paraview.org/t/how-to-get-last-stage-of-the-project-i-saved/10286 "2022-09-09T19:58:13Z")

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Hi, i am trying to do few things with paraview and since i am new to this, i was doing ctrl+s in middle of my work to save the current state of the project. When i pressed ctrl+s it popped out and i did save it as t…

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## [Number of Contours stays 1](https://discourse.paraview.org/t/number-of-contours-stays-1/10078)

<div class="topic-metadata">

**Author:** [@crispsssy](https://discourse.paraview.org/u/crispsssy)\
**Replies:** 1\
**Last updated:** [August 1, 2022, 4:40pm UTC](https://discourse.paraview.org/t/number-of-contours-stays-1/10078 "2022-08-01T16:40:25Z")

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Dear Experts I want to view the electric potential that I calculated from ElmerSolver (.vtu), but when I got the contour plot there is only 1 contour surface which is ~1000V. Since the potential is 0~1800V, how can I ge…

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## [programmable filter to evaluate field at some points and visualize it](https://discourse.paraview.org/t/programmable-filter-to-evaluate-field-at-some-points-and-visualize-it/12433)

<div class="topic-metadata">

**Author:** [@simonw](https://discourse.paraview.org/u/simonw)\
**Replies:** 1\
**Last updated:** [July 6, 2023, 4:36pm UTC](https://discourse.paraview.org/t/programmable-filter-to-evaluate-field-at-some-points-and-visualize-it/12433 "2023-07-06T16:36:58Z")

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I applied the programmable filter to two active sources which both contain a scalar field called energy: source1= inputs\[0\] source2= inputs\[1\] field1 = source1.PointData\[“energy”\] field2 = source2.PointData\[“energy”\] …

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## [vtkAngularPeriodicFilter vtkCutter 2](https://discourse.paraview.org/t/vtkangularperiodicfilter-vtkcutter-2/11532)

<div class="topic-metadata">

**Author:** [@Rigel](https://discourse.paraview.org/u/Rigel)\
**Replies:** 1\
**Last updated:** [March 12, 2023, 12:50pm UTC](https://discourse.paraview.org/t/vtkangularperiodicfilter-vtkcutter-2/11532 "2023-03-12T12:50:13Z")

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Hi, I have a 3D VTK dataset (on the form of a 45° wedge) and I want to post-process it in a Python script (using pvbatch). I apply the following filters: # Apply angular periodic filter print("\\tApplying angular period…

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## [Memory Inspector and Client System Properties do not match](https://discourse.paraview.org/t/memory-inspector-and-client-system-properties-do-not-match/7907)

<div class="topic-metadata">

**Author:** [@bkcampb](https://discourse.paraview.org/u/bkcampb)\
**Replies:** 1\
**Last updated:** [September 2, 2021, 8:19am UTC](https://discourse.paraview.org/t/memory-inspector-and-client-system-properties-do-not-match/7907 "2021-09-02T08:19:54Z")

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I currently have ParaView 5.4.1-Qt5-OpenGL2-Windows-64bit installed on my machine. The machine has two Intel Xeon CPUs (18 cores/cpus…36 total on the machine) and 575GB of physical memory (617 total virtual memory). Wh…

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## [Contours showing mesh effect in Paraview](https://discourse.paraview.org/t/contours-showing-mesh-effect-in-paraview/16645)

<div class="topic-metadata">

**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 8\
**Last updated:** [May 20, 2025, 4:22pm UTC](https://discourse.paraview.org/t/contours-showing-mesh-effect-in-paraview/16645 "2025-05-20T16:22:04Z")

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Hi I have exported data from Fluent in gold ensight format and displaying in Paraview. However, the contour plot is showing the effect of mesh lines as you can see the O-grid mesh lines with a rectangular box is shown a…

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## [Descriptive Statistics for extracting data](https://discourse.paraview.org/t/descriptive-statistics-for-extracting-data/9266)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 0\
**Last updated:** [March 23, 2022, 1:59pm UTC](https://discourse.paraview.org/t/descriptive-statistics-for-extracting-data/9266 "2022-03-23T13:59:57Z")

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Dear all, Until now in my python scripts I always used Descriptive Statistics to get data from each cell in a specific clip, however I was wondering if there is a less convoluted way to get all the data from a cell into…

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## [ParaView User Training](https://discourse.paraview.org/t/paraview-user-training/10040)

<div class="topic-metadata">

**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 0\
**Last updated:** [July 22, 2022, 11:09pm UTC](https://discourse.paraview.org/t/paraview-user-training/10040 "2022-07-22T23:09:04Z")

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Kitware is offering an online ParaView training course July 27 and 28, 2022. This course provides an overview of ParaView, including how to visualize and process data. The training mixes theory and application with a set…

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## [Simple: forcing refresh after async model loading](https://discourse.paraview.org/t/simple-forcing-refresh-after-async-model-loading/9468)

<div class="topic-metadata">

**Author:** [@eino](https://discourse.paraview.org/u/eino)\
**Replies:** 0\
**Last updated:** [April 20, 2022, 7:34am UTC](https://discourse.paraview.org/t/simple-forcing-refresh-after-async-model-loading/9468 "2022-04-20T07:34:41Z")

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Hi, So I have a paraview.simple server that loads a vtp model, and displays it via simple.Show(polydata). So far all worked fine. I need to load it asynchronously, so I moved this code to a protocol, in a function deco…

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## [VortexCores filter](https://discourse.paraview.org/t/vortexcores-filter/9306)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 0\
**Last updated:** [March 29, 2022, 12:06pm UTC](https://discourse.paraview.org/t/vortexcores-filter/9306 "2022-03-29T12:06:58Z")

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Dear everyone, I would like to use the VortexCores filter present in paraview 5.10, however I can’t understand how to get it working even in the GUI version, I can call the filter but it does crash sometimes. Does anyb…

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## [Geological Model](https://discourse.paraview.org/t/geological-model/17520)

<div class="topic-metadata">

**Author:** [@Vicman](https://discourse.paraview.org/u/Vicman)\
**Replies:** 6\
**Last updated:** [April 20, 2026, 12:48pm UTC](https://discourse.paraview.org/t/geological-model/17520 "2026-04-20T12:48:30Z")

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Hi, I’m new in ParaView and have been trying to optimise the development of a 3D implicit model. I have created a CSV file that contains two different surfaces, and the objective is to generate a volume from these surf…

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## [Random noise type visualisation in Surface LIC](https://discourse.paraview.org/t/random-noise-type-visualisation-in-surface-lic/11976)

<div class="topic-metadata">

**Author:** [@hr\_nt](https://discourse.paraview.org/u/hr_nt)\
**Replies:** 1\
**Last updated:** [April 28, 2023, 1:54pm UTC](https://discourse.paraview.org/t/random-noise-type-visualisation-in-surface-lic/11976 "2023-04-28T13:54:44Z")

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I am getting the following random noise type image in areas of low flow (order of 1e-5). I want to know why this happens mathematically. What happens when LIC is computed that causes this in areas of stagnant/low speed f…

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## [VtkHyperTreeGrid Super cursor issue in python](https://discourse.paraview.org/t/vtkhypertreegrid-super-cursor-issue-in-python/7626)

<div class="topic-metadata">

**Author:** [@Loic22](https://discourse.paraview.org/u/Loic22)\
**Replies:** 1\
**Last updated:** [August 3, 2021, 9:56am UTC](https://discourse.paraview.org/t/vtkhypertreegrid-super-cursor-issue-in-python/7626 "2021-08-03T09:56:41Z")

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Hello, I notice a bug with the vtkHyperTreeGridNonOrientedMooreSuperCursor (and Von Neumann) using the Python interface. I am trying to get the cursor at neighbours of a specific cell but the call to the “GetNonOriented…

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## [Error python-path](https://discourse.paraview.org/t/error-python-path/14419)

<div class="topic-metadata">

**Author:** [@igel89](https://discourse.paraview.org/u/igel89)\
**Replies:** 3\
**Last updated:** [November 21, 2024, 2:46am UTC](https://discourse.paraview.org/t/error-python-path/14419 "2024-11-21T02:46:56Z")

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Dear ParaView Team, I use Paraview to visualize gprMax data (ground penetrating radar). I get the following error message with Linux Mint: Traceback (last call): File “”, line 185, in File “/home/jan/Downloads/digit…

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## [vtkSocketCommunicator failing to establish a connection](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803)

<div class="topic-metadata">

**Author:** [@Gopika](https://discourse.paraview.org/u/Gopika)\
**Replies:** 3\
**Last updated:** [January 26, 2024, 9:15am UTC](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803 "2024-01-26T09:15:35Z")

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I’m attempting to view data from my computer’s server through remote visualization, using pvserver and paraview. I tried connecting to the same version. But I’m getting a connection error, as follows: Also, while tryin…

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