# Top

**URL:** https://discourse.paraview.org/top.md?page=171&period=all

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**Page:** 172

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## [Regarding legend of a plot](https://discourse.paraview.org/t/regarding-legend-of-a-plot/14585)

<div class="topic-metadata">

**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 1\
**Last updated:** [May 9, 2024, 12:39pm UTC](https://discourse.paraview.org/t/regarding-legend-of-a-plot/14585 "2024-05-09T12:39:01Z")

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Hello everyone I am a beginner on paraview. I plot this diagram in paraview but my plot doesn’t seem like that. Below I attached a screenshot taken from a paper. I find out some lines on the legend. Can someone tell me …

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## [Paraview slices of same source but different location in view port](https://discourse.paraview.org/t/paraview-slices-of-same-source-but-different-location-in-view-port/17564)

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**Author:** [@cfd\_payne](https://discourse.paraview.org/u/cfd_payne)\
**Replies:** 3\
**Last updated:** [June 2, 2026, 5:54am UTC](https://discourse.paraview.org/t/paraview-slices-of-same-source-but-different-location-in-view-port/17564 "2026-06-02T05:54:45Z")

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I have a situation in a simulation to show a slice of the same source but with different variable to be shown at different at different location in a view port.. \[ Ex: imagine a propeller Right,Left , one to be shown as…

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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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## [Problem with Connected Surface Properties](https://discourse.paraview.org/t/problem-with-connected-surface-properties/16688)

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**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 3\
**Last updated:** [May 21, 2025, 4:05pm UTC](https://discourse.paraview.org/t/problem-with-connected-surface-properties/16688 "2025-05-21T16:05:32Z")

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I have used a Contour filter to create some bubbles in my dataset. When I try to run Connected Surface Properties to figure out the centroid/volume of these bubbles, it leaves a bunch of the following errors: ERROR: In …

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## [Wireframe representation for one-dimensional curve](https://discourse.paraview.org/t/wireframe-representation-for-one-dimensional-curve/17041)

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**Author:** [@mdev](https://discourse.paraview.org/u/mdev)\
**Replies:** 2\
**Last updated:** [August 4, 2025, 3:31pm UTC](https://discourse.paraview.org/t/wireframe-representation-for-one-dimensional-curve/17041 "2025-08-04T15:31:22Z")

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Hello, I want to plot a 1-D curve in 3-D space for which I have a .vtu file which contains the 1-D mesh data including point coordinates, and their connectivity. Please find the attached .vtu file. When I select the ‘wi…

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## [Extracting the midpsan for a centrifugal pump](https://discourse.paraview.org/t/extracting-the-midpsan-for-a-centrifugal-pump/16596)

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**Author:** [@Roger1198](https://discourse.paraview.org/u/Roger1198)\
**Replies:** 2\
**Last updated:** [July 9, 2025, 4:58am UTC](https://discourse.paraview.org/t/extracting-the-midpsan-for-a-centrifugal-pump/16596 "2025-07-09T04:58:02Z")

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Hi, I was wondering if there was a way to extract the midspan (or any specified span) surface for a centrifugal pump system that comprises of an inducer and impeller. I’m familiar with doing this in ANSYS CFD Post, where…

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## [Find Data improvement](https://discourse.paraview.org/t/find-data-improvement/15583)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 2\
**Last updated:** [October 21, 2024, 11:55am UTC](https://discourse.paraview.org/t/find-data-improvement/15583 "2024-10-21T11:55:08Z")

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What do people think about adding in an option to pick every nth point or cell with Find Data? We have this option with the Glyph filter to reduce the number of items that are used for glyphing. Having a similar ability …

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## [paraview transparent effect, there are always uneven color blocks, how to eliminate](https://discourse.paraview.org/t/paraview-transparent-effect-there-are-always-uneven-color-blocks-how-to-eliminate/15269)

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**Author:** [@henrybolt](https://discourse.paraview.org/u/henrybolt)\
**Replies:** 2\
**Last updated:** [August 22, 2024, 11:35am UTC](https://discourse.paraview.org/t/paraview-transparent-effect-there-are-always-uneven-color-blocks-how-to-eliminate/15269 "2024-08-22T11:35:55Z")

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When open the opacity effect, the surface with edges type always show uneven color blocks, how to eliminate them?

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## [Programmable source not displaying volume representation](https://discourse.paraview.org/t/programmable-source-not-displaying-volume-representation/15110)

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**Author:** [@eckart](https://discourse.paraview.org/u/eckart)\
**Replies:** 2\
**Last updated:** [July 24, 2024, 12:19pm UTC](https://discourse.paraview.org/t/programmable-source-not-displaying-volume-representation/15110 "2024-07-24T12:19:19Z")

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How do I get a Programmable Source to display in Volume representation? I am following along the example in the ParaView Reference Manual, Section 5.2.4. Reading binary 2D image. The script I am using is basically the …

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## [velocities on Slice over polyline](https://discourse.paraview.org/t/velocities-on-slice-over-polyline/12100)

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**Author:** [@BillM](https://discourse.paraview.org/u/BillM)\
**Replies:** 0\
**Last updated:** [May 16, 2023, 12:45am UTC](https://discourse.paraview.org/t/velocities-on-slice-over-polyline/12100 "2023-05-16T00:45:37Z")

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Slice over polyline only returns two non-zero velocity components (Ux and Uy) when applied to my three-dimensional flow field computed with OpenFOAM. Ux is essentially normal to the slice, while Uy is one of the in-pla…

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

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**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")

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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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## [Semtex's Dog \*.plt file obtained with tool 'meshpr' is not being read by Paraview.](https://discourse.paraview.org/t/semtexs-dog-plt-file-obtained-with-tool-meshpr-is-not-being-read-by-paraview/14770)

<div class="topic-metadata">

**Author:** [@Gilberto\_Montiel](https://discourse.paraview.org/u/Gilberto_Montiel)\
**Replies:** 1\
**Last updated:** [June 5, 2024, 6:43am UTC](https://discourse.paraview.org/t/semtexs-dog-plt-file-obtained-with-tool-meshpr-is-not-being-read-by-paraview/14770 "2024-06-05T06:43:59Z")

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Hello everyone. I am using the Dog tool from the Semtex CFD solver. When running the command meshpr, a \*.plt file is obtained, that should be read by Tecplot. The program documentation says that Paraview should also be …

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## [add interactive widget to control crop filter](https://discourse.paraview.org/t/add-interactive-widget-to-control-crop-filter/17734)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [September 17, 2026, 11:17am UTC](https://discourse.paraview.org/t/add-interactive-widget-to-control-crop-filter/17734 "2026-09-17T11:17:39Z")

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crop filter newly implemented on the gui in the few recent versions, is a great tool for working with structured data, in it we need to set the min max values in each axis. it would be great to have a box widget that we …

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## [Rotating direction for streamlines out from line source?](https://discourse.paraview.org/t/rotating-direction-for-streamlines-out-from-line-source/16608)

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**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 3\
**Last updated:** [May 14, 2025, 1:16am UTC](https://discourse.paraview.org/t/rotating-direction-for-streamlines-out-from-line-source/16608 "2025-05-14T01:16:38Z")

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Hi there, I’m trying to make some stream lines that resemble air velocity within a volume, but I’m struggling to get the streamlines to leave the source line in the right direction. It seems like they sort of randomly p…

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## [Double points occure after converting cell data to point data](https://discourse.paraview.org/t/double-points-occure-after-converting-cell-data-to-point-data/14116)

<div class="topic-metadata">

**Author:** [@Arthur\_L](https://discourse.paraview.org/u/Arthur_L)\
**Replies:** 0\
**Last updated:** [March 9, 2024, 4:54am UTC](https://discourse.paraview.org/t/double-points-occure-after-converting-cell-data-to-point-data/14116 "2024-03-09T04:54:53Z")

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Hello, forum. I have the vtk file, wich is several vtk files merged together via AppendDatasets, with cell data type. I apply ‘cell data to point data’ filter to it, then save it as csv file. But when I create plots, ba…

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## [Extracting data by changing rows and columns](https://discourse.paraview.org/t/extracting-data-by-changing-rows-and-columns/12996)

<div class="topic-metadata">

**Author:** [@hyeonwoo](https://discourse.paraview.org/u/hyeonwoo)\
**Replies:** 0\
**Last updated:** [October 6, 2023, 12:56am UTC](https://discourse.paraview.org/t/extracting-data-by-changing-rows-and-columns/12996 "2023-10-06T00:56:06Z")

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I proceeded to extract data from all timestep. When extracted in this state, the results are shown in the figure below. If I extract like this, it’s hard to organize data from many timestep. So I’d appreciate it …

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## [Field Data having string in binary](https://discourse.paraview.org/t/field-data-having-string-in-binary/12973)

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**Author:** [@ravi](https://discourse.paraview.org/u/ravi)\
**Replies:** 0\
**Last updated:** [October 2, 2023, 3:50pm UTC](https://discourse.paraview.org/t/field-data-having-string-in-binary/12973 "2023-10-02T15:50:51Z")

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Hi All, I am trying to check how Paraview writes the field data having string in binary. My field data is FIELD FieldData 1 VCNAME 1 259200 string HardBrick-ID0 HardBrick-ID0 … It works in ascii. When I use Paravie…

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## [CSV and Volume Rendering Extended](https://discourse.paraview.org/t/csv-and-volume-rendering-extended/16448)

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**Author:** [@Dan\_S](https://discourse.paraview.org/u/Dan_S)\
**Replies:** 2\
**Last updated:** [April 9, 2025, 3:37pm UTC](https://discourse.paraview.org/t/csv-and-volume-rendering-extended/16448 "2025-04-09T15:37:01Z")

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Hi. I want to render points on a csv file as a volume. I’ve checked out the post here: CSV and Volume Rendering. Followed the steps \[Table to Points then Resample to Image\] for two different (but similar) csv files, but…

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## [Can a Python plugin access Paraview's progress bar?](https://discourse.paraview.org/t/can-a-python-plugin-access-paraviews-progress-bar/16352)

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**Author:** [@florezg](https://discourse.paraview.org/u/florezg)\
**Replies:** 2\
**Last updated:** [March 19, 2025, 4:29am UTC](https://discourse.paraview.org/t/can-a-python-plugin-access-paraviews-progress-bar/16352 "2025-03-19T04:29:08Z")

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Is there a way for a plugin, i.e., a class that inherits from “VTKPythonAlgorithmBase” to access Paraview’s (status bar) progress bar widget. The class vtkAlgorithm has the methods “SetProgressShiftScale”, “SetProgressTe…

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## [How to make a pop-up warning / error message?](https://discourse.paraview.org/t/how-to-make-a-pop-up-warning-error-message/15828)

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**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 2\
**Last updated:** [December 3, 2024, 10:32am UTC](https://discourse.paraview.org/t/how-to-make-a-pop-up-warning-error-message/15828 "2024-12-03T10:32:11Z")

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Hello dear ParaView developers! How can one pass errors from the custom client-side widgets to the user? For server-side there are vtk Error macros, however, they dont seem to work in the client side. What are the alter…

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## [I have trouble opening vtr](https://discourse.paraview.org/t/i-have-trouble-opening-vtr/15765)

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**Author:** [@Jack\_Jack](https://discourse.paraview.org/u/Jack_Jack)\
**Replies:** 5\
**Last updated:** [November 22, 2024, 10:27am UTC](https://discourse.paraview.org/t/i-have-trouble-opening-vtr/15765 "2024-11-22T10:27:55Z")

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This author of this tutorial claimed that he can play this animation. test.zip (19.0 KB) however, what I got is an empty box.

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## [Grouping of output in single domain](https://discourse.paraview.org/t/grouping-of-output-in-single-domain/14411)

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**Author:** [@kuar](https://discourse.paraview.org/u/kuar)\
**Replies:** 1\
**Last updated:** [April 16, 2024, 8:03am UTC](https://discourse.paraview.org/t/grouping-of-output-in-single-domain/14411 "2024-04-16T08:03:50Z")

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Hello everyone, I am beginner in using paraview, where I am using the software for visualising my xdmf files separately for each simulation. Currently I am solving a multi-physics problem where I have two fields to visua…

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## [Anatomical structure grabbing, supporting the grabbing of various parts of the model instead of moving it as a whole. Thank you very much](https://discourse.paraview.org/t/anatomical-structure-grabbing-supporting-the-grabbing-of-various-parts-of-the-model-instead-of-moving-it-as-a-whole-thank-you-very-much/13766)

<div class="topic-metadata">

**Author:** [@linhuanfengQ](https://discourse.paraview.org/u/linhuanfengQ)\
**Replies:** 1\
**Last updated:** [January 22, 2024, 2:53pm UTC](https://discourse.paraview.org/t/anatomical-structure-grabbing-supporting-the-grabbing-of-various-parts-of-the-model-instead-of-moving-it-as-a-whole-thank-you-very-much/13766 "2024-01-22T14:53:59Z")

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GitHub - Kitware/glance: Kitware Glance is an open-source web application developed at Kitware for visualizing volumetric images, molecular structures, geometric objects, and point clouds. It is part of the ParaView plat…

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## [Unexpected Behaviour with temporal Array Operator](https://discourse.paraview.org/t/unexpected-behaviour-with-temporal-array-operator/16697)

<div class="topic-metadata">

**Author:** [@SJackson](https://discourse.paraview.org/u/SJackson)\
**Replies:** 2\
**Last updated:** [June 2, 2025, 8:51am UTC](https://discourse.paraview.org/t/unexpected-behaviour-with-temporal-array-operator/16697 "2025-06-02T08:51:51Z")

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Hi, I am using the temporal array operator to look at changes between timesteps. Although I have noticed unexpected behaviour. It seems like all the fields show values from the previous timestep after applying a tempo…

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## [Display of a specific range of pressure](https://discourse.paraview.org/t/display-of-a-specific-range-of-pressure/16388)

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**Author:** [@Federico\_Feliziani](https://discourse.paraview.org/u/Federico_Feliziani)\
**Replies:** 2\
**Last updated:** [March 26, 2025, 1:42pm UTC](https://discourse.paraview.org/t/display-of-a-specific-range-of-pressure/16388 "2025-03-26T13:42:18Z")

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Hello everyone, I am using paraview for the first time. I have results from a numerical modelling in which I applied pressures to a portion of the model. The model represents a natural slope. Part of the right-hand fre…

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## [The remote server's ParaviewWeb is inaccessible.](https://discourse.paraview.org/t/the-remote-servers-paraviewweb-is-inaccessible/15917)

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**Author:** [@tianyu.cocytus](https://discourse.paraview.org/u/tianyu.cocytus)\
**Replies:** 2\
**Last updated:** [December 29, 2024, 3:08am UTC](https://discourse.paraview.org/t/the-remote-servers-paraviewweb-is-inaccessible/15917 "2024-12-29T03:08:45Z")

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Hi I started a service on the remote server using the following command: /home/hty/paraview\_build/bin/pvpython --force-offscreen-rendering SimpleCone.py --venv /root/.environments/paraview --port 8081 --host 0.0.0.0 --…

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## [Missing python's stdlib modules in Paraview 6.1.0](https://discourse.paraview.org/t/missing-pythons-stdlib-modules-in-paraview-6-1-0/17513)

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**Author:** [@diogo](https://discourse.paraview.org/u/diogo)\
**Replies:** 3\
**Last updated:** [April 10, 2026, 4:55pm UTC](https://discourse.paraview.org/t/missing-pythons-stdlib-modules-in-paraview-6-1-0/17513 "2026-04-10T16:55:36Z")

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I tried to use some python’s stdlib in Paraview 6.1.0, but it failed to import. \>\>\> import tomllib Traceback (most recent call last): File "\<console\>", line 1, in \<module\> ModuleNotFoundError: No module named 'tomllib…

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## [Overlapping AMR Contour issues at AMR boundary?](https://discourse.paraview.org/t/overlapping-amr-contour-issues-at-amr-boundary/17214)

<div class="topic-metadata">

**Author:** [@ccardina](https://discourse.paraview.org/u/ccardina)\
**Replies:** 3\
**Last updated:** [October 7, 2025, 8:06am UTC](https://discourse.paraview.org/t/overlapping-amr-contour-issues-at-amr-boundary/17214 "2025-10-07T08:06:37Z")

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Hi! I have overlapping AMR velocity data that uses the Chombo reader. I would like to generate smooth Q-criterion contours. I’m doing the filters in the following order: ConvertAMRdatasettoMultiblock → MergeBlocks → Gr…

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## [Reading and converting in exodus format](https://discourse.paraview.org/t/reading-and-converting-in-exodus-format/15038)

<div class="topic-metadata">

**Author:** [@zengyuxin](https://discourse.paraview.org/u/zengyuxin)\
**Replies:** 0\
**Last updated:** [July 11, 2024, 3:59am UTC](https://discourse.paraview.org/t/reading-and-converting-in-exodus-format/15038 "2024-07-11T03:59:08Z")

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Dear Experts, I have some files in VTK format, now I need to convert them to exodus format, I tried many ways. One of them is to convert them via python code through meshio library, but I found that the reading result …

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## [Compute deformation gradient](https://discourse.paraview.org/t/compute-deformation-gradient/14164)

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**Author:** [@Juan\_Jose\_Casafranca](https://discourse.paraview.org/u/Juan_Jose_Casafranca)\
**Replies:** 0\
**Last updated:** [March 14, 2024, 7:13pm UTC](https://discourse.paraview.org/t/compute-deformation-gradient/14164 "2024-03-14T19:13:45Z")

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For a mesh, the deformation gradient is defined as the derivative of the current positions wrt some rest pose positions. Is it possible to compute the deformation gradient using ParaView? I have tried compute derivatives…

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## [ParaView Next Training Sessions](https://discourse.paraview.org/t/paraview-next-training-sessions/14001)

<div class="topic-metadata">

**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 0\
**Last updated:** [February 23, 2024, 4:08pm UTC](https://discourse.paraview.org/t/paraview-next-training-sessions/14001 "2024-02-23T16:08:15Z")

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Did you register for the next training sessions? ParaView User Training, a full-day training given on March 19, 2024 and starting at 9:00 AM Paris time (CET / GMT+1h) ParaView Advanced Training, a full-day training gi…

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## [Adding a plane widget representation in a Paraview web app run in parallel mode](https://discourse.paraview.org/t/adding-a-plane-widget-representation-in-a-paraview-web-app-run-in-parallel-mode/15025)

<div class="topic-metadata">

**Author:** [@scbiradar](https://discourse.paraview.org/u/scbiradar)\
**Replies:** 1\
**Last updated:** [August 6, 2024, 4:38pm UTC](https://discourse.paraview.org/t/adding-a-plane-widget-representation-in-a-paraview-web-app-run-in-parallel-mode/15025 "2024-08-06T16:38:34Z")

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I am running a paraview web application in parallel (pvbatch with mpi). I want to add plane widget representation to a Slice filter (like in paraview desktop) I am adding an implicit plane widget representation to a pa…

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## [trace server-\>client delivery time?](https://discourse.paraview.org/t/trace-server-client-delivery-time/13240)

<div class="topic-metadata">

**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 0\
**Last updated:** [November 11, 2023, 10:05pm UTC](https://discourse.paraview.org/t/trace-server-client-delivery-time/13240 "2023-11-11T22:05:58Z")

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Hi folks, What is the best way to measure the server-\>client image delivery time with ParaView these days? I am really liking the new tracing functionality but that portion of the time is unclear to me. thanks

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## [How to access RenderView name in pvpython](https://discourse.paraview.org/t/how-to-access-renderview-name-in-pvpython/16528)

<div class="topic-metadata">

**Author:** [@mckel](https://discourse.paraview.org/u/mckel)\
**Replies:** 1\
**Last updated:** [April 28, 2025, 12:15pm UTC](https://discourse.paraview.org/t/how-to-access-renderview-name-in-pvpython/16528 "2025-04-28T12:15:58Z")

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Hi all, using pvpython, how do you access the custom name given to a view, e.g. a RenderView. In the shown snapshot, the layout was manually renamed to “MyLayout” and the view was renamed to “MyView”. With the follow…

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## [update all filters to new timestep automatically in python?](https://discourse.paraview.org/t/update-all-filters-to-new-timestep-automatically-in-python/16078)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 1\
**Last updated:** [January 29, 2025, 4:26pm UTC](https://discourse.paraview.org/t/update-all-filters-to-new-timestep-automatically-in-python/16078 "2025-01-29T16:26:01Z")

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hello, I am creating a script and a lot of times while ‘advancing’ the time steps in a loop and saving data that I extract at each time step of different filters using fetch and dsa. my issue/question is: how I update …

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## [Extracting x,y,z coordinate from 3D DICOM Ultrasound stackable vti file](https://discourse.paraview.org/t/extracting-x-y-z-coordinate-from-3d-dicom-ultrasound-stackable-vti-file/17396)

<div class="topic-metadata">

**Author:** [@hfzlbryan](https://discourse.paraview.org/u/hfzlbryan)\
**Replies:** 4\
**Last updated:** [January 23, 2026, 9:07am UTC](https://discourse.paraview.org/t/extracting-x-y-z-coordinate-from-3d-dicom-ultrasound-stackable-vti-file/17396 "2026-01-23T09:07:23Z")

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Hi Im Zul Gd Morning I have vti file from 3D DICOM stackable Ultrasound image, I would like to extract the coordinate of the segmentation information Data from it, would ParaView advise how this file can be exported ou…

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## [How to specify custom solid colors that persist?](https://discourse.paraview.org/t/how-to-specify-custom-solid-colors-that-persist/17644)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 3\
**Last updated:** [July 2, 2026, 4:30pm UTC](https://discourse.paraview.org/t/how-to-specify-custom-solid-colors-that-persist/17644 "2026-07-02T16:30:05Z")

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I find myself constantly adding custom colors to the Pick Solid Color dialog, since it doesn’t seem that these colors persist across sessions. For example: Launch fresh session of ParaView 6.1.0 (make sure it’s the o…

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## [Having the same view in different states (with different centers)](https://discourse.paraview.org/t/having-the-same-view-in-different-states-with-different-centers/17710)

<div class="topic-metadata">

**Author:** [@Joao\_Pedro\_Perdigao](https://discourse.paraview.org/u/Joao_Pedro_Perdigao)\
**Replies:** 6\
**Last updated:** [September 2, 2026, 8:00am UTC](https://discourse.paraview.org/t/having-the-same-view-in-different-states-with-different-centers/17710 "2026-09-02T08:00:52Z")

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Hello, I’m comparing different wind tunnel data for two aircraft models and I would like to have the same views in all the tests, to better compare the results. The issue is that, since this was done experimentally (an…

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## [Crash when loading large ADIOS2 .bp files on Windows](https://discourse.paraview.org/t/crash-when-loading-large-adios2-bp-files-on-windows/16490)

<div class="topic-metadata">

**Author:** [@luisjperezp](https://discourse.paraview.org/u/luisjperezp)\
**Replies:** 1\
**Last updated:** [April 17, 2025, 7:27am UTC](https://discourse.paraview.org/t/crash-when-loading-large-adios2-bp-files-on-windows/16490 "2025-04-17T07:27:30Z")

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I’m encountering a crash when visualizing large, time-dependent datasets in ParaView 5.13.3 on Windows 11, using files written with dolfinx VTXWriter and ADIOS2 format. The issue only seems to appear for large files. Yo…

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## [When time is changed, how is it passed to filters?](https://discourse.paraview.org/t/when-time-is-changed-how-is-it-passed-to-filters/14319)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [April 2, 2024, 1:58pm UTC](https://discourse.paraview.org/t/when-time-is-changed-how-is-it-passed-to-filters/14319 "2024-04-02T13:58:30Z")

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Hello! I have a dataset of several frames, what exactly happens when I switch from one frame to another? Is time a property? Thanks!

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## [transform\_rotation problem (with code and pic)](https://discourse.paraview.org/t/transform-rotation-problem-with-code-and-pic/14739)

<div class="topic-metadata">

**Author:** [@tigerhu](https://discourse.paraview.org/u/tigerhu)\
**Replies:** 0\
**Last updated:** [May 30, 2024, 3:00am UTC](https://discourse.paraview.org/t/transform-rotation-problem-with-code-and-pic/14739 "2024-05-30T03:00:01Z")

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Hi, I conducted object rotation using paraview.simple.Transform.rotate function, tested on a cylinder with different angles, and found a possible wrong answer. In the image above, black is the initial cylinder, red…

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## [Structured vtk file with labels (strings) for identifying boundaries](https://discourse.paraview.org/t/structured-vtk-file-with-labels-strings-for-identifying-boundaries/13220)

<div class="topic-metadata">

**Author:** [@Rob777](https://discourse.paraview.org/u/Rob777)\
**Replies:** 0\
**Last updated:** [November 9, 2023, 12:48pm UTC](https://discourse.paraview.org/t/structured-vtk-file-with-labels-strings-for-identifying-boundaries/13220 "2023-11-09T12:48:32Z")

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Dear All, I wonder if there’s a VTK file format which allow to write a structured/curvilinear mesh mesh with the addition of labels for the cell faces boundaries, so that one can successively extract the boundaries by j…

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## [Subtract a reference cell value at height z from all cell values at that height](https://discourse.paraview.org/t/subtract-a-reference-cell-value-at-height-z-from-all-cell-values-at-that-height/11284)

<div class="topic-metadata">

**Author:** [@minecraftgp](https://discourse.paraview.org/u/minecraftgp)\
**Replies:** 0\
**Last updated:** [January 27, 2023, 12:34pm UTC](https://discourse.paraview.org/t/subtract-a-reference-cell-value-at-height-z-from-all-cell-values-at-that-height/11284 "2023-01-27T12:34:41Z")

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Hi I would like to know if it is possible to do the following in paraview: Subtract a reference cell value at height z from all cell values at that height, and repeat such step for every heights of the domain

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## [Problem Opening .vtk files with ParaView Server Connection](https://discourse.paraview.org/t/problem-opening-vtk-files-with-paraview-server-connection/15079)

<div class="topic-metadata">

**Author:** [@kindofblue](https://discourse.paraview.org/u/kindofblue)\
**Replies:** 2\
**Last updated:** [July 19, 2024, 9:03pm UTC](https://discourse.paraview.org/t/problem-opening-vtk-files-with-paraview-server-connection/15079 "2024-07-19T21:03:19Z")

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Hello, I am using MacBook Pro (M2 chip) where I installed the ParaView 5.12.0 binary file. I was able to make a connection to the ParaView server in Perlmutter at NERSC. However, when I try to open .vtk files on the ser…

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## [Append shapes but still change dimensions of each shape](https://discourse.paraview.org/t/append-shapes-but-still-change-dimensions-of-each-shape/15043)

<div class="topic-metadata">

**Author:** [@m\_farid](https://discourse.paraview.org/u/m_farid)\
**Replies:** 2\
**Last updated:** [July 13, 2024, 3:38am UTC](https://discourse.paraview.org/t/append-shapes-but-still-change-dimensions-of-each-shape/15043 "2024-07-13T03:38:47Z")

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Hi there, I’m creating a web app using ParaView and Trame for heart valve surgery planning. Essentially, users can upload a 3D model of a heart and visualise the placement of a replacement valve on this model. I have th…

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## [Paraview opens as a white box and crashes](https://discourse.paraview.org/t/paraview-opens-as-a-white-box-and-crashes/15356)

<div class="topic-metadata">

**Author:** [@bunny](https://discourse.paraview.org/u/bunny)\
**Replies:** 3\
**Last updated:** [November 12, 2024, 8:25am UTC](https://discourse.paraview.org/t/paraview-opens-as-a-white-box-and-crashes/15356 "2024-11-12T08:25:03Z")

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Paraview opens like this and immediately closes. I tried updating drivers, installing a different version, etc. But it still ends up like this. Any solutions? Thank you.

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## [How to concatenate a .vtr file with itself to create a new object?](https://discourse.paraview.org/t/how-to-concatenate-a-vtr-file-with-itself-to-create-a-new-object/14327)

<div class="topic-metadata">

**Author:** [@Rohan](https://discourse.paraview.org/u/Rohan)\
**Replies:** 0\
**Last updated:** [April 3, 2024, 10:19pm UTC](https://discourse.paraview.org/t/how-to-concatenate-a-vtr-file-with-itself-to-create-a-new-object/14327 "2024-04-03T22:19:34Z")

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I have a simulation result, saved as a .vtr file. The simulation result is 2D and periodic along the x-axis. I would like to concatenate the .vtr file with itself along the x-periodic direction, and get another combine…

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## [VTKHDF SplitByComposite](https://discourse.paraview.org/t/vtkhdf-splitbycomposite/17633)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 4\
**Last updated:** [June 24, 2026, 8:06am UTC](https://discourse.paraview.org/t/vtkhdf-splitbycomposite/17633 "2026-06-24T08:06:10Z")

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I have multiple vtkUnstructuredGrids which have been grouped with GroupDatasets() Attempting to save them in VTKHDF format, I use SaveData(‘/foo.vtkhdf’, proxy=groupDatasets1, WriteAllTimeSteps=1, SplitByComposite=1) …

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## [Trouble Seeing Geometries in vtk file](https://discourse.paraview.org/t/trouble-seeing-geometries-in-vtk-file/17531)

<div class="topic-metadata">

**Author:** [@ErayBaykal](https://discourse.paraview.org/u/ErayBaykal)\
**Replies:** 4\
**Last updated:** [April 23, 2026, 4:09pm UTC](https://discourse.paraview.org/t/trouble-seeing-geometries-in-vtk-file/17531 "2026-04-23T16:09:27Z")

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I’ve tried uploading vtk files from different sources and they all only seem to display the bounding box and no materials within. I’ve tried changing the coloring menu to the material but it didn’t change anything. Here’…

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## [Saving line profiles](https://discourse.paraview.org/t/saving-line-profiles/15934)

<div class="topic-metadata">

**Author:** [@s\_edelgar](https://discourse.paraview.org/u/s_edelgar)\
**Replies:** 1\
**Last updated:** [January 2, 2025, 6:44pm UTC](https://discourse.paraview.org/t/saving-line-profiles/15934 "2025-01-02T18:44:50Z")

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Hi - I want to save the data from a x-line profile for a given quantity so I can plot it using another package. When I use "File → save data - it saves dat for all variables - not just the x location values and the quan…

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