# Top

**URL:** https://discourse.paraview.org/top.md?page=3

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**Page:** 4

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## [Loading PyFR .vtu files error using ParaView 5.13.3](https://discourse.paraview.org/t/loading-pyfr-vtu-files-error-using-paraview-5-13-3/17325)

<div class="topic-metadata">

**Author:** [@Amber\_Jia](https://discourse.paraview.org/u/Amber_Jia)\
**Replies:** 3\
**Last updated:** [November 24, 2025, 9:37am UTC](https://discourse.paraview.org/t/loading-pyfr-vtu-files-error-using-paraview-5-13-3/17325 "2025-11-24T09:37:10Z")

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Dear ParaView Support, I was trying to open a .vtu file generated by PyFR using ParaView 5.13.3. And i get this error: ERROR: In vtkXMLUnstructuredDataReader.cxx, line 766 vtkXMLUnstructuredGridReader (00000272CF3EA3D0…

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## [paraview 6.0.1 boken since yesterday update of system?](https://discourse.paraview.org/t/paraview-6-0-1-boken-since-yesterday-update-of-system/17632)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 6\
**Last updated:** [June 23, 2026, 8:38am UTC](https://discourse.paraview.org/t/paraview-6-0-1-boken-since-yesterday-update-of-system/17632 "2026-06-23T08:38:52Z")

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Hello, I had been using paraview 6.0.1 since its release on my system and it always worked, yesterday I did the classic update & upgrade of the system, and today when opening paraview i get an error and can not open at …

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## [Visualization error](https://discourse.paraview.org/t/visualization-error/17569)

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**Author:** [@rd.airends](https://discourse.paraview.org/u/rd.airends)\
**Replies:** 2\
**Last updated:** [May 19, 2026, 7:40am UTC](https://discourse.paraview.org/t/visualization-error/17569 "2026-05-19T07:40:56Z")

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Good Morning. I’ve installed paraview on Windows 11, to use it with cfdOf on freecad. When I open it, the window of the software is black, and I see the software GUI like I’m looking from it’s side. I know this descrip…

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## [Particle tracer deadlock](https://discourse.paraview.org/t/particle-tracer-deadlock/17429)

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**Author:** [@Kenneth\_Moreland](https://discourse.paraview.org/u/Kenneth_Moreland)\
**Replies:** 4\
**Last updated:** [February 6, 2026, 3:35pm UTC](https://discourse.paraview.org/t/particle-tracer-deadlock/17429 "2026-02-06T15:35:22Z")

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I’ve been trying to use the Particle Tracer filter in ParaView 6.0. I am in client/server running on 1 node with 8 MPI ranks. After running a few steps (5-25), pvserver deadlocks. (At least, it becomes unresponsive but t…

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## [help with understand of median filter and 3D scan treatment in general](https://discourse.paraview.org/t/help-with-understand-of-median-filter-and-3d-scan-treatment-in-general/17248)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 4\
**Last updated:** [October 27, 2025, 8:06am UTC](https://discourse.paraview.org/t/help-with-understand-of-median-filter-and-3d-scan-treatment-in-general/17248 "2025-10-27T08:06:26Z")

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hello, I have a tiff image of a 3D scan that i am trying to use paraview for the extraction of surfaces meshes. currently, i have the data with a space of 1 length voxel, i wanted to sub divide each voxel by a factor (…

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## [create physical groups for gmsh export](https://discourse.paraview.org/t/create-physical-groups-for-gmsh-export/17614)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 5\
**Last updated:** [July 6, 2026, 5:36pm UTC](https://discourse.paraview.org/t/create-physical-groups-for-gmsh-export/17614 "2026-07-06T17:36:59Z")

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Hello, I have a 3D volumetric mesh inside paraview, I would like to create the ‘physical groups’ of define the ‘boundaries groups’ to use it in a simulation. currently the mesh is only composed of hexahedrals. the physi…

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## [Programmable Filter not working even for simple script](https://discourse.paraview.org/t/programmable-filter-not-working-even-for-simple-script/17262)

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**Author:** [@mwhit](https://discourse.paraview.org/u/mwhit)\
**Replies:** 2\
**Last updated:** [October 27, 2025, 10:03am UTC](https://discourse.paraview.org/t/programmable-filter-not-working-even-for-simple-script/17262 "2025-10-27T10:03:03Z")

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Hi, I am an intermediate Paraview user and I am trying to learn how to use the Programmable Filter. I have read Chapter 6 in the Reference manual 6. Programmable Filter — ParaView Documentation 6.0.0 documentation . I h…

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## [How to know whether a script is executed by ParaView Python?](https://discourse.paraview.org/t/how-to-know-whether-a-script-is-executed-by-paraview-python/17610)

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**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 6\
**Last updated:** [June 10, 2026, 3:51pm UTC](https://discourse.paraview.org/t/how-to-know-whether-a-script-is-executed-by-paraview-python/17610 "2026-06-10T15:51:56Z")

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Is there a way to know at runtime if a Python file is executed from the ParaView environment (pvpython, pvbatch or from the Python shell of the GUI) or from a standard Python interpreter? I checked the environment variab…

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## [Paraview 6.0.1 crashed when applying the "Merge Blocks" filter.](https://discourse.paraview.org/t/paraview-6-0-1-crashed-when-applying-the-merge-blocks-filter/17369)

<div class="topic-metadata">

**Author:** [@m41m41\_Ann](https://discourse.paraview.org/u/m41m41_Ann)\
**Replies:** 2\
**Last updated:** [December 12, 2025, 3:57pm UTC](https://discourse.paraview.org/t/paraview-6-0-1-crashed-when-applying-the-merge-blocks-filter/17369 "2025-12-12T15:57:15Z")

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Applying the “Merge Blocks” filter to the file causes a crash. Could there be a problem with the data in the test file? Operating steps: Open Paraview, drag and drop this CGNS file into Paraview, apply, add the ‘Merge B…

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## [DigitalSignalProcessing plugin limited to vtkMultiBlockDataSet inputs](https://discourse.paraview.org/t/digitalsignalprocessing-plugin-limited-to-vtkmultiblockdataset-inputs/17682)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 2\
**Last updated:** [August 14, 2026, 1:42pm UTC](https://discourse.paraview.org/t/digitalsignalprocessing-plugin-limited-to-vtkmultiblockdataset-inputs/17682 "2026-08-14T13:42:33Z")

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I am working on steps 1 and 2 outlined in the post Deprecating MultiBlock datasets - #50 by spyridon97 There were only two filters in ParaView proper that did not accept vtkPartitionedDataSetCollections as input: BlockI…

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## [Surface LIC visualization](https://discourse.paraview.org/t/surface-lic-visualization/17348)

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**Author:** [@kuhlen](https://discourse.paraview.org/u/kuhlen)\
**Replies:** 2\
**Last updated:** [December 5, 2025, 11:52am UTC](https://discourse.paraview.org/t/surface-lic-visualization/17348 "2025-12-05T11:52:18Z")

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Hello everyone, I’m going through the cavity tutorial in incompressible fluids. When I’m using surface LIC on my object I get this weird little triangle in the corner, where no lines appear. Does anyone know how I could…

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## [Opening e57 files using the pdal reader](https://discourse.paraview.org/t/opening-e57-files-using-the-pdal-reader/17506)

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**Author:** [@rowan](https://discourse.paraview.org/u/rowan)\
**Replies:** 4\
**Last updated:** [April 15, 2026, 5:55pm UTC](https://discourse.paraview.org/t/opening-e57-files-using-the-pdal-reader/17506 "2026-04-15T17:55:16Z")

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I’m trying to load an e57 file in Paraview. I was told to use the pdal reader for this but I’m getting this error in the 6.1.0 version: ERROR: In vtkPDALReader.cxx, line 76 vtkPDALReader (0000017280680170): CreateStage…

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## [What filter for a lattice structure](https://discourse.paraview.org/t/what-filter-for-a-lattice-structure/17260)

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**Author:** [@kaengo](https://discourse.paraview.org/u/kaengo)\
**Replies:** 4\
**Last updated:** [October 24, 2025, 12:32pm UTC](https://discourse.paraview.org/t/what-filter-for-a-lattice-structure/17260 "2025-10-24T12:32:27Z")

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Hello to all I have a csv, which contains data of a lattice structure. Every line of my csv is one rod of my lattice structure. The 2nd to 7th columns show the coordinates of the rod (x1,y1,z1,x2,y2,z2) . The followin…

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## [Xdmf3ReaderT crashes if xdmf mesh file (plain text) exceeds certain number of elements](https://discourse.paraview.org/t/xdmf3readert-crashes-if-xdmf-mesh-file-plain-text-exceeds-certain-number-of-elements/17333)

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**Author:** [@violettinged](https://discourse.paraview.org/u/violettinged)\
**Replies:** 1\
**Last updated:** [December 11, 2025, 11:33am UTC](https://discourse.paraview.org/t/xdmf3readert-crashes-if-xdmf-mesh-file-plain-text-exceeds-certain-number-of-elements/17333 "2025-12-11T11:33:46Z")

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Description I have a .xdmf mesh file of a simple cube geometry with both the metadata and the definition of tetrahedral elements and node coordinates (heavy data) stored in the same plain text file using XML. Trying to o…

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## [Opacity mapping for surfaces: vector field](https://discourse.paraview.org/t/opacity-mapping-for-surfaces-vector-field/17540)

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**Author:** [@jzwanzig](https://discourse.paraview.org/u/jzwanzig)\
**Replies:** 3\
**Last updated:** [May 6, 2026, 12:37pm UTC](https://discourse.paraview.org/t/opacity-mapping-for-surfaces-vector-field/17540 "2026-05-06T12:37:33Z")

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Hi, I’m plotting vector fields, and I find that the opacity mapping function only works if Representation is set to 3D Glyphs; any other entry (like Surface) doesn’t show anything. However, if I turn off opacity mapping,…

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## [MP4 export fails when output path contains non-ASCII characters (e.g. Japanese)](https://discourse.paraview.org/t/mp4-export-fails-when-output-path-contains-non-ascii-characters-e-g-japanese/17357)

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**Author:** [@Japan\_OpenDEM](https://discourse.paraview.org/u/Japan_OpenDEM)\
**Replies:** 3\
**Last updated:** [December 10, 2025, 8:14am UTC](https://discourse.paraview.org/t/mp4-export-fails-when-output-path-contains-non-ascii-characters-e-g-japanese/17357 "2025-12-10T08:14:18Z")

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When exporting an MP4 video, ParaView cannot correctly generate the file if the output path contains non-ASCII characters (e.g., Japanese).

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## [Volume rendering on log scale switches to grayscale map](https://discourse.paraview.org/t/volume-rendering-on-log-scale-switches-to-grayscale-map/17491)

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**Author:** [@eisenlohr](https://discourse.paraview.org/u/eisenlohr)\
**Replies:** 5\
**Last updated:** [March 25, 2026, 8:16am UTC](https://discourse.paraview.org/t/volume-rendering-on-log-scale-switches-to-grayscale-map/17491 "2026-03-25T08:16:07Z")

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PV 6.1 RC1 inadvertently switches the colormap to grayscale (x-ray) when enabling logarithmic scaling. I use the attached example, switch to volume rendering, set the data limits to 0.2–5, then toggle between linear and …

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## [ParaView Catalyst warns instead of raising an error when the script is not found](https://discourse.paraview.org/t/paraview-catalyst-warns-instead-of-raising-an-error-when-the-script-is-not-found/17543)

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**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 3\
**Last updated:** [May 4, 2026, 12:53pm UTC](https://discourse.paraview.org/t/paraview-catalyst-warns-instead-of-raising-an-error-when-the-script-is-not-found/17543 "2026-05-04T12:53:28Z")

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Dear all, If the catalyst script is not found, ParaView displays \[pvbatch.0 \]vtkInSituInitialization:295 WARN| File/path does not exist and not in PYTHONPATH: 'my\_paraview\_interface'. Skipping. and the ParaVie…

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## [Display issues](https://discourse.paraview.org/t/display-issues/17640)

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**Author:** [@cfd\_payne](https://discourse.paraview.org/u/cfd_payne)\
**Replies:** 7\
**Last updated:** [July 1, 2026, 11:52am UTC](https://discourse.paraview.org/t/display-issues/17640 "2026-07-01T11:52:10Z")

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Hello All, In the Extract Block Filter while selecting an extra face (ie..Ground) the display is culing the whole Geom. PV version 5.12

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## [Cell and point selection does not work in CMB on SMTK file](https://discourse.paraview.org/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/17293)

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**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 1:23pm UTC](https://discourse.paraview.org/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/17293 "2025-11-05T13:23:18Z")

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Hi, I would like to select cells or points in a discrete model imported into CMB. As an example, I considered the knee.smtk file shipped with CMB. I open it in CMB. I can select blocks with the “Select Block” command, b…

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## [Issue with 2D Glyph Orientation on YZ/XZ Planes (Arrowheads disappearing)](https://discourse.paraview.org/t/issue-with-2d-glyph-orientation-on-yz-xz-planes-arrowheads-disappearing/17385)

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**Author:** [@Niko](https://discourse.paraview.org/u/Niko)\
**Replies:** 3\
**Last updated:** [January 19, 2026, 2:03pm UTC](https://discourse.paraview.org/t/issue-with-2d-glyph-orientation-on-yz-xz-planes-arrowheads-disappearing/17385 "2026-01-19T14:03:08Z")

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I am experiencing an issue with the 2D Glyph filter on a YZ slice (X-normal). While 2D glyphs work perfectly on the XY plane, they do not appear correctly on other planes. The 2D arrows appear like flat lines and the arr…

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## [How to build ParaView with multiserver support?](https://discourse.paraview.org/t/how-to-build-paraview-with-multiserver-support/17617)

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**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 7\
**Last updated:** [June 12, 2026, 1:12pm UTC](https://discourse.paraview.org/t/how-to-build-paraview-with-multiserver-support/17617 "2026-06-12T13:12:12Z")

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I would like my client to be able to connect to multiple servers. I heard that ParaView has to be built with multiserver option to achieve it. Although I looked at the CMake options with ccmake in the ParaView superbuild…

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## [paraview for image treatment (3D scan, tif format)](https://discourse.paraview.org/t/paraview-for-image-treatment-3d-scan-tif-format/17302)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [November 12, 2025, 10:08am UTC](https://discourse.paraview.org/t/paraview-for-image-treatment-3d-scan-tif-format/17302 "2025-11-12T10:08:25Z")

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Hello, I have looked a little bit around and did not came up with a conclusive answer for this, therefore I am making a post. I would like to use paraview to treat my 3D images, i can open the file and do some simple t…

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## [PointSet raytracing colors defects](https://discourse.paraview.org/t/pointset-raytracing-colors-defects/17619)

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**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 2\
**Last updated:** [June 16, 2026, 8:46am UTC](https://discourse.paraview.org/t/pointset-raytracing-colors-defects/17619 "2026-06-16T08:46:59Z")

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I have raytraced many particle datasets in the past with great results. Up until ParaView v6.0, I used to compile ParaView with OSPRay v3.1. I don’t use materials, only scalar field coloring. Trying ParaView v6.1, I mad…

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## [Spatial average](https://discourse.paraview.org/t/spatial-average/17257)

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**Author:** [@allal\_amene](https://discourse.paraview.org/u/allal_amene)\
**Replies:** 1\
**Last updated:** [October 22, 2025, 7:25am UTC](https://discourse.paraview.org/t/spatial-average/17257 "2025-10-22T07:25:55Z")

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Hello, I have a .case file and I want to compute a spatial average of the fields. Afterwards, I want to visualize it using a slice or a plot over line. The problem is that I don’t know how to compute a spatial average o…

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## [Visualizing ANSYS Fluent solution data, but produced mesh lines artefacts](https://discourse.paraview.org/t/visualizing-ansys-fluent-solution-data-but-produced-mesh-lines-artefacts/17479)

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**Author:** [@Aimannor](https://discourse.paraview.org/u/Aimannor)\
**Replies:** 4\
**Last updated:** [March 19, 2026, 7:11am UTC](https://discourse.paraview.org/t/visualizing-ansys-fluent-solution-data-but-produced-mesh-lines-artefacts/17479 "2026-03-19T07:11:37Z")

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I tried to import ANSYS Fluent solution data in the Encase Gold (ASCII) format into Paraview 6.0.0 RC1. Unfortunately, the resulting visualization included mesh lines. How can I properly visualize the solution data witho…

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## [Export screenshot as geotiff](https://discourse.paraview.org/t/export-screenshot-as-geotiff/17380)

<div class="topic-metadata">

**Author:** [@Vinicius](https://discourse.paraview.org/u/Vinicius)\
**Replies:** 3\
**Last updated:** [December 17, 2025, 3:49am UTC](https://discourse.paraview.org/t/export-screenshot-as-geotiff/17380 "2025-12-17T03:49:54Z")

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Hi, \* Can screenshots be saved as georeferenced TIFFs for direct import into GIS software? This would be valuable for geoscience research. Best regards, Vinicius\*

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## [adding ADIOS and run-time crash of ParaView master](https://discourse.paraview.org/t/adding-adios-and-run-time-crash-of-paraview-master/17304)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 3\
**Last updated:** [November 13, 2025, 7:11am UTC](https://discourse.paraview.org/t/adding-adios-and-run-time-crash-of-paraview-master/17304 "2025-11-13T07:11:38Z")

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I compile all my dependencies with spack. When starting ParaView, it core-dumps. WARNING: All log messages before absl::InitializeLog() is called are written to STDERR E0000 00:00:1762967088.891296 88826 descriptor\_…

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## [Unique node numeration on edges of vtkLagrangeTetra](https://discourse.paraview.org/t/unique-node-numeration-on-edges-of-vtklagrangetetra/17242)

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**Author:** [@jeDuck](https://discourse.paraview.org/u/jeDuck)\
**Replies:** 3\
**Last updated:** [October 27, 2025, 6:07pm UTC](https://discourse.paraview.org/t/unique-node-numeration-on-edges-of-vtklagrangetetra/17242 "2025-10-27T18:07:33Z")

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Hello! In most vtkCell types if the function GetEdge() is called, the points on the edge are in such order: first point, then last point, and then the remaining points in sequence. This is not the case for vtkLagrangeTe…

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## [ParaView Office Hours February 19, 2026](https://discourse.paraview.org/t/paraview-office-hours-february-19-2026/17445)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 0\
**Last updated:** [February 16, 2026, 7:48pm UTC](https://discourse.paraview.org/t/paraview-office-hours-february-19-2026/17445 "2026-02-16T19:48:42Z")

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Have a question about how to use ParaView? Ask ParaView experts at this week’s office hours! Time: Thursday, February 19 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call link: https://me…

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## [Importing paraview.simple](https://discourse.paraview.org/t/importing-paraview-simple/17321)

<div class="topic-metadata">

**Author:** [@PyJay](https://discourse.paraview.org/u/PyJay)\
**Replies:** 2\
**Last updated:** [November 19, 2025, 5:22pm UTC](https://discourse.paraview.org/t/importing-paraview-simple/17321 "2025-11-19T17:22:39Z")

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Hi everyone, I’m tryining to use Paraview through python pipeline. I do not understand why I get the error “ModuleNotFoundError: No module named ‘\_paraview\_modules\_static’“ when I run the following code: import os impo…

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## [Catalyst V2 C++ Example: python pipeline not recognized](https://discourse.paraview.org/t/catalyst-v2-c-example-python-pipeline-not-recognized/17298)

<div class="topic-metadata">

**Author:** [@Sam\_Austin](https://discourse.paraview.org/u/Sam_Austin)\
**Replies:** 2\
**Last updated:** [November 10, 2025, 3:19pm UTC](https://discourse.paraview.org/t/catalyst-v2-c-example-python-pipeline-not-recognized/17298 "2025-11-10T15:19:05Z")

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I’m trying to run the Catalyst V2 C++ example, but the python pipeline is not running. Here is my setup: Ubuntu 24.04 Built Paraview 6.0.1 from source (regular build, not superbuild, but with MPI and catalyst enabled) B…

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## [How to load e57 files in LidarView](https://discourse.paraview.org/t/how-to-load-e57-files-in-lidarview/17504)

<div class="topic-metadata">

**Author:** [@rowan](https://discourse.paraview.org/u/rowan)\
**Replies:** 5\
**Last updated:** [April 15, 2026, 5:54pm UTC](https://discourse.paraview.org/t/how-to-load-e57-files-in-lidarview/17504 "2026-04-15T17:54:57Z")

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I’m trying to load an e57 file in LidarView and I can’t figure out which reader to use. I’ve tried a couple of them, like the default AVS UCD Reader: I don’t get any errors but I can’t see anything loaded.

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## [How to generate points on flat surfaces](https://discourse.paraview.org/t/how-to-generate-points-on-flat-surfaces/17527)

<div class="topic-metadata">

**Author:** [@PeterMihalka](https://discourse.paraview.org/u/PeterMihalka)\
**Replies:** 3\
**Last updated:** [April 21, 2026, 9:46am UTC](https://discourse.paraview.org/t/how-to-generate-points-on-flat-surfaces/17527 "2026-04-21T09:46:50Z")

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I would like to generate a rectangular mesh or points on the surfaces of flat 3D building models, e.g. every 0.1m. I plan to analyze the results of multiple simulations on these points. Is it possible to generate a set o…

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## [Lidarview-odom-slam integration](https://discourse.paraview.org/t/lidarview-odom-slam-integration/17292)

<div class="topic-metadata">

**Author:** [@white\_11](https://discourse.paraview.org/u/white_11)\
**Replies:** 1\
**Last updated:** [February 27, 2026, 9:56am UTC](https://discourse.paraview.org/t/lidarview-odom-slam-integration/17292 "2026-02-27T09:56:24Z")

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I’m working on extending LidarView to integrate live external odometry data from my robot into the SLAM (Online) pipeline. The goal is to let the SLAM algorithm fuse both LiDAR point cloud and odometry information for i…

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## [Loading Exodus II files crashes ParaView on my Ubuntu 24 machine](https://discourse.paraview.org/t/loading-exodus-ii-files-crashes-paraview-on-my-ubuntu-24-machine/17323)

<div class="topic-metadata">

**Author:** [@rsaxena](https://discourse.paraview.org/u/rsaxena)\
**Replies:** 4\
**Last updated:** [November 21, 2025, 9:01am UTC](https://discourse.paraview.org/t/loading-exodus-ii-files-crashes-paraview-on-my-ubuntu-24-machine/17323 "2025-11-21T09:01:20Z")

</div>

Hello, I have Paraview 6.0.0 installed on my machine running Ubuntu 24.04. The GUI opens nicely, but when I try loading Exodus II (\*.e) files, Paraview crashes with the following error message (see attached screenshot)…

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## [support of .mesh & .ovm formats](https://discourse.paraview.org/t/support-of-mesh-ovm-formats/17637)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 5\
**Last updated:** [July 6, 2026, 4:06pm UTC](https://discourse.paraview.org/t/support-of-mesh-ovm-formats/17637 "2026-07-06T16:06:42Z")

</div>

Hello, I would like to ask the possibility of adding the .mesh and .ovm formats to the readable/writable formats of paraview. the .mesh format is from geogram software and .ovm for openFlipper, two meshing processing fo…

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## [Regression in 6.1.0: vtkPVDReader fails to parse E+0N scientific-notation timestep values (works in 6.0)](https://discourse.paraview.org/t/regression-in-6-1-0-vtkpvdreader-fails-to-parse-e-0n-scientific-notation-timestep-values-works-in-6-0/17620)

<div class="topic-metadata">

**Author:** [@ebreard](https://discourse.paraview.org/u/ebreard)\
**Replies:** 3\
**Last updated:** [June 16, 2026, 2:35pm UTC](https://discourse.paraview.org/t/regression-in-6-1-0-vtkpvdreader-fails-to-parse-e-0n-scientific-notation-timestep-values-works-in-6-0/17620 "2026-06-16T14:35:13Z")

</div>

When opening a .pvd file in ParaView 6.1.0, the PVD reader fails to parse timestep attribute values that are written in scientific notation with an explicit-sign exponent (e.g. 0.8006087E+01). For every timestep entry, i…

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## [What build options to use when contributing to ParaView?](https://discourse.paraview.org/t/what-build-options-to-use-when-contributing-to-paraview/17448)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 3\
**Last updated:** [February 19, 2026, 12:26pm UTC](https://discourse.paraview.org/t/what-build-options-to-use-when-contributing-to-paraview/17448 "2026-02-19T12:26:39Z")

</div>

I will contribute to ParaView. What CMake options do I have to use to build my ParaView? I know that the CI will anyway run the tests based on its own config, but I want to test locally before submitting.

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## [How to increase the display time of the pop-up box when hovering points?](https://discourse.paraview.org/t/how-to-increase-the-display-time-of-the-pop-up-box-when-hovering-points/17440)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 7\
**Last updated:** [February 13, 2026, 1:41pm UTC](https://discourse.paraview.org/t/how-to-increase-the-display-time-of-the-pop-up-box-when-hovering-points/17440 "2026-02-13T13:41:15Z")

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Hi, I click on the Hover Points On button to show point data. After about 10 seconds, the pop-up box disappears. When there are many field values associated with a point, I don’t have time to read them. Yes, I know you …

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## [Bug in STEP reader's \`Read Wire\` option?](https://discourse.paraview.org/t/bug-in-step-readers-read-wire-option/17551)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 2\
**Last updated:** [May 6, 2026, 2:47pm UTC](https://discourse.paraview.org/t/bug-in-step-readers-read-wire-option/17551 "2026-05-06T14:47:14Z")

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Below is a STEP file of a knuckle geometry. Here’s what it looks like rendered in Coreform Cubit: And here’s what it looks like in ParaView if I Read Wire and then Extract Cells by Type for surfaces and lines (st…

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## [default settings for openfoam reader and for legends](https://discourse.paraview.org/t/default-settings-for-openfoam-reader-and-for-legends/17453)

<div class="topic-metadata">

**Author:** [@svetlanatkachenko](https://discourse.paraview.org/u/svetlanatkachenko)\
**Replies:** 3\
**Last updated:** [February 26, 2026, 8:31am UTC](https://discourse.paraview.org/t/default-settings-for-openfoam-reader-and-for-legends/17453 "2026-02-26T08:31:34Z")

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i would like to read openfoam cases as ‘decomposed’ by default. i would like to setup legend font as times by default. for these two examples what is the best way to configure them? the ‘edit \> settings’ view does not …

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## [Tag 6.1.0 release for kitware/paraview\_org-plugin-devel](https://discourse.paraview.org/t/tag-6-1-0-release-for-kitware-paraview-org-plugin-devel/17523)

<div class="topic-metadata">

**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 5\
**Last updated:** [April 16, 2026, 12:29pm UTC](https://discourse.paraview.org/t/tag-6-1-0-release-for-kitware-paraview-org-plugin-devel/17523 "2026-04-16T12:29:45Z")

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Since the release of PV 6.1.0, I have been checking https://hub.docker.com/r/kitware/paraview\_org-plugin-devel/tags , but I dont see a 6.1.0 tag getting released yet. I was under the impression that the docker image woul…

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## [Properly viewing triclinic boxes that have STRUCTURED\_POINTS dataset](https://discourse.paraview.org/t/properly-viewing-triclinic-boxes-that-have-structured-points-dataset/17434)

<div class="topic-metadata">

**Author:** [@akball](https://discourse.paraview.org/u/akball)\
**Replies:** 7\
**Last updated:** [February 12, 2026, 4:19pm UTC](https://discourse.paraview.org/t/properly-viewing-triclinic-boxes-that-have-structured-points-dataset/17434 "2026-02-12T16:19:05Z")

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Hi everyone, I am new to ParaView, so please feel free to refer to any related posts or responses. I am having trouble visualizing VTK files containing volumetric data for triclinic cells. During visualization, the tricl…

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## [Visualising thickness of plate/shell elements](https://discourse.paraview.org/t/visualising-thickness-of-plate-shell-elements/17413)

<div class="topic-metadata">

**Author:** [@SFox](https://discourse.paraview.org/u/SFox)\
**Replies:** 3\
**Last updated:** [January 29, 2026, 8:55am UTC](https://discourse.paraview.org/t/visualising-thickness-of-plate-shell-elements/17413 "2026-01-29T08:55:37Z")

</div>

I am interested in visualising the thickness of 2D shell elements. I have a toy problem of a collision between a cantilever supported tube, and a rigid sphere. I would like to add some thickness to the shell elements …

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## [Cannot select first opacity control point with mouse in transfer function editor because scalar-range handle blocks this option](https://discourse.paraview.org/t/cannot-select-first-opacity-control-point-with-mouse-in-transfer-function-editor-because-scalar-range-handle-blocks-this-option/17312)

<div class="topic-metadata">

**Author:** [@swilliams\_KMT](https://discourse.paraview.org/u/swilliams_KMT)\
**Replies:** 5\
**Last updated:** [January 23, 2026, 9:00am UTC](https://discourse.paraview.org/t/cannot-select-first-opacity-control-point-with-mouse-in-transfer-function-editor-because-scalar-range-handle-blocks-this-option/17312 "2026-01-23T09:00:05Z")

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I see this issue has been raised a few times over the years but it still persists. The leftmost (and rightmost) opacity control points in the transfer-function editor cannot be selected with the mouse because the scalar…

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## [connectivity removing global point & cell Ids?](https://discourse.paraview.org/t/connectivity-removing-global-point-cell-ids/17579)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 4\
**Last updated:** [June 10, 2026, 7:15am UTC](https://discourse.paraview.org/t/connectivity-removing-global-point-cell-ids/17579 "2026-06-10T07:15:54Z")

</div>

Hello, I think i found a bug, when i apply connectivity to extract the largest region of an source (tested unstructured grid and uniform rectilinear image) the fields of GlobalPointIds and GlobalCellIds disappear which …

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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")

</div>

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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## [Calculating 1) weighted, 2) surface integrals of scalars in paraview](https://discourse.paraview.org/t/calculating-1-weighted-2-surface-integrals-of-scalars-in-paraview/17505)

<div class="topic-metadata">

**Author:** [@Fizikci](https://discourse.paraview.org/u/Fizikci)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 8:54am UTC](https://discourse.paraview.org/t/calculating-1-weighted-2-surface-integrals-of-scalars-in-paraview/17505 "2026-04-07T08:54:10Z")

</div>

Hello ParaView community, I am having deep troubles figuring out how to calculate this very specific operation: weighted, surface integrals of scalars, that is \\int \\vec{\\omega} T \\,d\\vec{A}, for example for temperatur…

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## [Ray-tracing on Apple silicon](https://discourse.paraview.org/t/ray-tracing-on-apple-silicon/17374)

<div class="topic-metadata">

**Author:** [@AlexandreDaby](https://discourse.paraview.org/u/AlexandreDaby)\
**Replies:** 1\
**Last updated:** [December 15, 2025, 9:13am UTC](https://discourse.paraview.org/t/ray-tracing-on-apple-silicon/17374 "2025-12-15T09:13:10Z")

</div>

Hi everyone, It seems that Paraview’s ray-tracing capabilities on the newer MacBooks only utilise the CPU without leveraging the hardware-accelerated ray-tracing capabilities of the newer chips. Is there a plan to enabl…

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