# Top

**URL:** https://discourse.paraview.org/top.md?page=177&period=all

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**Page:** 178

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## [How to run a python macro with paraFoam?](https://discourse.paraview.org/t/how-to-run-a-python-macro-with-parafoam/17530)

<div class="topic-metadata">

**Author:** [@Faraz\_Hussain](https://discourse.paraview.org/u/Faraz_Hussain)\
**Replies:** 1\
**Last updated:** [April 21, 2026, 8:49pm UTC](https://discourse.paraview.org/t/how-to-run-a-python-macro-with-parafoam/17530 "2026-04-21T20:49:55Z")

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I created a simple macro to automate some post processing. It works if I launch paraFoam and click the button for it in the GUI. But I want to run this without having to “click the button”. Here’s what I tried along with…

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## [Plot Multiple "Individual Blocks" with Plot on Intersection Curves](https://discourse.paraview.org/t/plot-multiple-individual-blocks-with-plot-on-intersection-curves/17514)

<div class="topic-metadata">

**Author:** [@Chris2337](https://discourse.paraview.org/u/Chris2337)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 8:42am UTC](https://discourse.paraview.org/t/plot-multiple-individual-blocks-with-plot-on-intersection-curves/17514 "2026-04-07T08:42:37Z")

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Hello All, I am using the new build 6.1.0 for Windows with Plot3D files. The grid is a multi-block grid for the 2D high-lift CRM case, so I am trying to plot the pressure distribution for all three elements on a single …

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## [iparaview-kernel: paraview build from source or precompiled binaries?](https://discourse.paraview.org/t/iparaview-kernel-paraview-build-from-source-or-precompiled-binaries/17341)

<div class="topic-metadata">

**Author:** [@Turbinepilot](https://discourse.paraview.org/u/Turbinepilot)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 9:00am UTC](https://discourse.paraview.org/t/iparaview-kernel-paraview-build-from-source-or-precompiled-binaries/17341 "2025-12-02T09:00:47Z")

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Hello all, I am attempting to setup iparaview-kernel for use on Windows. Does the iparaview-kernel (https://gitlab.kitware.com/paraview/plugins/iparaview-kernel) require paraview to be built from source or can I instal…

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## [How to create field data files?](https://discourse.paraview.org/t/how-to-create-field-data-files/16022)

<div class="topic-metadata">

**Author:** [@ANON1](https://discourse.paraview.org/u/ANON1)\
**Replies:** 1\
**Last updated:** [January 23, 2025, 8:06am UTC](https://discourse.paraview.org/t/how-to-create-field-data-files/16022 "2025-01-23T08:06:21Z")

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Hello, In this example, @mwestphal mentioned that field data files can be used to create global variables. an example of such files is also provided in this reply. I can’t find documentation about such files. Is there …

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## [Segmentation fault when computing vorticity](https://discourse.paraview.org/t/segmentation-fault-when-computing-vorticity/15798)

<div class="topic-metadata">

**Author:** [@sheng\_chen](https://discourse.paraview.org/u/sheng_chen)\
**Replies:** 1\
**Last updated:** [November 27, 2024, 4:27pm UTC](https://discourse.paraview.org/t/segmentation-fault-when-computing-vorticity/15798 "2024-11-27T16:27:19Z")

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Hello, I am running into an issue with computing vorticity using the Gradients function. I have an unstructured dataset with velocity field, and I am trying to computer the vorticity and Q-criterion. However, when I use …

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## [Error while compiling ParaView example plugin.](https://discourse.paraview.org/t/error-while-compiling-paraview-example-plugin/14957)

<div class="topic-metadata">

**Author:** [@brodude](https://discourse.paraview.org/u/brodude)\
**Replies:** 1\
**Last updated:** [July 1, 2024, 3:49pm UTC](https://discourse.paraview.org/t/error-while-compiling-paraview-example-plugin/14957 "2024-07-01T15:49:26Z")

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Hi everyone, I have been trying to compile DockWidget plugin under paraView/ParaView/Examples/Plugins/ and it’s given me this particular error from several days. I have attached the error followed by the lines in the so…

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## [Proxy from XML is inavailable from Python](https://discourse.paraview.org/t/proxy-from-xml-is-inavailable-from-python/15259)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 3\
**Last updated:** [August 21, 2024, 8:35am UTC](https://discourse.paraview.org/t/proxy-from-xml-is-inavailable-from-python/15259 "2024-08-21T08:35:05Z")

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Hello, dear Paraview developers I have the following XML file \<!-- Python fpr test --\> \<IntVectorProperty name="Settest" command="Settest" number\_of\_elements="1" default\_values="0" label="S…

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## [Upcoming ParaView Training Courses](https://discourse.paraview.org/t/upcoming-paraview-training-courses/14867)

<div class="topic-metadata">

**Author:** [@NickBearup](https://discourse.paraview.org/u/NickBearup)\
**Replies:** 0\
**Last updated:** [June 17, 2024, 4:47pm UTC](https://discourse.paraview.org/t/upcoming-paraview-training-courses/14867 "2024-06-17T16:47:21Z")

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Kitware will be hosting two remote ParaView training courses in August! ParaView User Course on August 21st - 22nd from 1pm - 5pm EST ParaView Developer Course on August 28th - 29th from 1pm - 5pm EST Register with th…

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## [how to make a dynamic animation](https://discourse.paraview.org/t/how-to-make-a-dynamic-animation/17437)

<div class="topic-metadata">

**Author:** [@Rajneesh\_Anand](https://discourse.paraview.org/u/Rajneesh_Anand)\
**Replies:** 1\
**Last updated:** [February 11, 2026, 8:51am UTC](https://discourse.paraview.org/t/how-to-make-a-dynamic-animation/17437 "2026-02-11T08:51:56Z")

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I am working on a project and I want to plot it dynamically. I have attached two animations here; one of them is growing plots and I want to plot the same type of growing animation from my data “my animation.mp4”. I onl…

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## [Use Paraview color map editor as separate programm/as component by another program](https://discourse.paraview.org/t/use-paraview-color-map-editor-as-separate-programm-as-component-by-another-program/15411)

<div class="topic-metadata">

**Author:** [@jherb](https://discourse.paraview.org/u/jherb)\
**Replies:** 1\
**Last updated:** [September 20, 2024, 10:49am UTC](https://discourse.paraview.org/t/use-paraview-color-map-editor-as-separate-programm-as-component-by-another-program/15411 "2024-09-20T10:49:54Z")

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I would like to ask if it is possible/anybody has tried to use the color map editor of ParaView as a separate program or “call” it as a component from another program? How much effort would be needed to create such a “c…

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## [ParaView server error](https://discourse.paraview.org/t/paraview-server-error/15189)

<div class="topic-metadata">

**Author:** [@Amirhosein\_inrs](https://discourse.paraview.org/u/Amirhosein_inrs)\
**Replies:** 1\
**Last updated:** [August 8, 2024, 9:28am UTC](https://discourse.paraview.org/t/paraview-server-error/15189 "2024-08-08T09:28:05Z")

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Hi Ardalan, I have the same error as you in my paraview. did you find any solutions? Regards, Amirhosein Hasanabadi

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## [Upstreaming a reader for zCFD mesh files](https://discourse.paraview.org/t/upstreaming-a-reader-for-zcfd-mesh-files/17760)

<div class="topic-metadata">

**Author:** [@T-Wainwright](https://discourse.paraview.org/u/T-Wainwright)\
**Replies:** 2\
**Last updated:** [October 8, 2026, 7:45am UTC](https://discourse.paraview.org/t/upstreaming-a-reader-for-zcfd-mesh-files/17760 "2026-10-08T07:45:53Z")

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Hi all, we’d like to get a reader for zCFD native mesh files into VTK/ParaView, to replace the plugin we ship today. Our results are already VTKHDF, so it’s only the mesh format that needs one. Before we start, we’d like…

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## [Check for data loaded prior to attemting render](https://discourse.paraview.org/t/check-for-data-loaded-prior-to-attemting-render/17451)

<div class="topic-metadata">

**Author:** [@kimf](https://discourse.paraview.org/u/kimf)\
**Replies:** 2\
**Last updated:** [February 23, 2026, 8:57am UTC](https://discourse.paraview.org/t/check-for-data-loaded-prior-to-attemting-render/17451 "2026-02-23T08:57:48Z")

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When working in UTM coordinates (X - 6 digits, Y - 7 digits) with the axes turned on + display grid, selecting a slice, clip or other daughter from an object in an existing state can cause PV to hang or at least become u…

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## [Nek5000reader load error for Large dataset](https://discourse.paraview.org/t/nek5000reader-load-error-for-large-dataset/15351)

<div class="topic-metadata">

**Author:** [@Lei\_Zhou](https://discourse.paraview.org/u/Lei_Zhou)\
**Replies:** 2\
**Last updated:** [September 6, 2024, 12:08pm UTC](https://discourse.paraview.org/t/nek5000reader-load-error-for-large-dataset/15351 "2024-09-06T12:08:18Z")

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Dear commnuity: I try to load a large dataset (around 50 GB) using Nek5000reader by mpi. I loaded it on my CentOS workstation, which has 256 GB memory and 40 CPUs. It threw such a problem 956: seekg error at read\_locat…

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## [I want to know how to calculate the time derivatives ](https://discourse.paraview.org/t/i-want-to-know-how-to-calculate-the-time-derivatives/16757)

<div class="topic-metadata">

**Author:** [@AYUSH\_GARG](https://discourse.paraview.org/u/AYUSH_GARG)\
**Replies:** 0\
**Last updated:** [May 31, 2025, 6:12pm UTC](https://discourse.paraview.org/t/i-want-to-know-how-to-calculate-the-time-derivatives/16757 "2025-05-31T18:12:44Z")

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I want to know how to calculate the time derivatives of velocity for non uniform time interval.

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## [Participate in a User Interview on VR for Scientific Visualization & Receive a $20 Amazon Gift Card!](https://discourse.paraview.org/t/participate-in-a-user-interview-on-vr-for-scientific-visualization-receive-a-20-amazon-gift-card/16283)

<div class="topic-metadata">

**Author:** [@fahimarsad](https://discourse.paraview.org/u/fahimarsad)\
**Replies:** 0\
**Last updated:** [March 10, 2025, 1:20pm UTC](https://discourse.paraview.org/t/participate-in-a-user-interview-on-vr-for-scientific-visualization-receive-a-20-amazon-gift-card/16283 "2025-03-10T13:20:36Z")

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We are conducting a user interview study to explore how Virtual Reality (VR) can enhance scientific data visualization and analysis. If you work with data visualization tools and are interested in sharing your insights, …

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## [1D axisymmetrical profil on a slice](https://discourse.paraview.org/t/1d-axisymmetrical-profil-on-a-slice/14565)

<div class="topic-metadata">

**Author:** [@Yahya\_Lakrifi](https://discourse.paraview.org/u/Yahya_Lakrifi)\
**Replies:** 0\
**Last updated:** [May 6, 2024, 3:04pm UTC](https://discourse.paraview.org/t/1d-axisymmetrical-profil-on-a-slice/14565 "2024-05-06T15:04:13Z")

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Hello, I’m trying to do an extraction of the profil on differents slices (Not a plot over line). I have my Radius and my cylindrical velocity component. The Idea is to do a mean of velocity for different radius on the …

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## [Unequal spacing between tick values on scalar bar](https://discourse.paraview.org/t/unequal-spacing-between-tick-values-on-scalar-bar/17750)

<div class="topic-metadata">

**Author:** [@Joao\_Pedro\_Perdigao](https://discourse.paraview.org/u/Joao_Pedro_Perdigao)\
**Replies:** 3\
**Last updated:** [September 29, 2026, 2:51pm UTC](https://discourse.paraview.org/t/unequal-spacing-between-tick-values-on-scalar-bar/17750 "2026-09-29T14:51:43Z")

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I have noticed that the tick marks on my scalar bar do not appear to be equally spaced, even though the numerical intervals between them are the same. For example, in the attached screenshot the scalar range is from -0.…

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## [SurfaceLIC vectors dropdown is empty](https://discourse.paraview.org/t/surfacelic-vectors-dropdown-is-empty/17148)

<div class="topic-metadata">

**Author:** [@cfd\_noob](https://discourse.paraview.org/u/cfd_noob)\
**Replies:** 0\
**Last updated:** [September 1, 2025, 11:59am UTC](https://discourse.paraview.org/t/surfacelic-vectors-dropdown-is-empty/17148 "2025-09-01T11:59:03Z")

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Hi, I am following the tutorial at https://youtu.be/HRqHP\_J9uzM which is the OpenFOAM backward facing step example. I have run the simulation and am trying to generate the Surface LIC view (at 26 minutes into video) bu…

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## [Issue while extract U\_Z on a surface , after clipping using alpha.water scalar](https://discourse.paraview.org/t/issue-while-extract-u-z-on-a-surface-after-clipping-using-alpha-water-scalar/15720)

<div class="topic-metadata">

**Author:** [@Surya1005](https://discourse.paraview.org/u/Surya1005)\
**Replies:** 1\
**Last updated:** [November 14, 2024, 9:50am UTC](https://discourse.paraview.org/t/issue-while-extract-u-z-on-a-surface-after-clipping-using-alpha-water-scalar/15720 "2024-11-14T09:50:45Z")

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Hello , My main idea is to extract the U\_Z of a surface with aircore in middle and water around, So in order to extract just the water surface I clipped the surface using alpha.water with 0.5 and then integrated varibal…

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## [I cannot "save animation" in paraview 5.13.0](https://discourse.paraview.org/t/i-cannot-save-animation-in-paraview-5-13-0/15675)

<div class="topic-metadata">

**Author:** [@live-long-and-prospe](https://discourse.paraview.org/u/live-long-and-prospe)\
**Replies:** 1\
**Last updated:** [November 1, 2024, 2:43pm UTC](https://discourse.paraview.org/t/i-cannot-save-animation-in-paraview-5-13-0/15675 "2024-11-01T14:43:41Z")

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I cannot export animation in paraview 5.12 and 5.13, but it works in version 5.11.

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## [MPIIO .pvtr format file](https://discourse.paraview.org/t/mpiio-pvtr-format-file/15053)

<div class="topic-metadata">

**Author:** [@zchmacchiato](https://discourse.paraview.org/u/zchmacchiato)\
**Replies:** 1\
**Last updated:** [July 15, 2024, 9:49am UTC](https://discourse.paraview.org/t/mpiio-pvtr-format-file/15053 "2024-07-15T09:49:39Z")

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Hi, I have a problem with my .pvtr output. I do not know the structure following the header. It appears that the header part is correct, but the data cannot be read correctly. The error from Paraview: No available piece…

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## [Is the PVD file schema defined?](https://discourse.paraview.org/t/is-the-pvd-file-schema-defined/17678)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [August 17, 2026, 9:47am UTC](https://discourse.paraview.org/t/is-the-pvd-file-schema-defined/17678 "2026-08-17T09:47:08Z")

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Hi, I would like to parse a .pvd file. Is the XML schema specified somewhere?

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## [Debugging segfault while passing data to Catalyst 2.1](https://discourse.paraview.org/t/debugging-segfault-while-passing-data-to-catalyst-2-1/17666)

<div class="topic-metadata">

**Author:** [@paulmelis](https://discourse.paraview.org/u/paulmelis)\
**Replies:** 2\
**Last updated:** [July 24, 2026, 2:34pm UTC](https://discourse.paraview.org/t/debugging-segfault-while-passing-data-to-catalyst-2-1/17666 "2026-07-24T14:34:23Z")

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I’m passing a small 3D vector field (less than 100^3) to the Catalyst API. When the code runs single-threaded, and there is only one full grid to pass, things work without issue and the data correctly ends up in Paraview…

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## [Selecting filter on pipeline browser from renderViewer object](https://discourse.paraview.org/t/selecting-filter-on-pipeline-browser-from-renderviewer-object/17629)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [June 22, 2026, 11:15am UTC](https://discourse.paraview.org/t/selecting-filter-on-pipeline-browser-from-renderviewer-object/17629 "2026-06-22T11:15:25Z")

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Hello, if i have a bunch of filters showing on the renderViewer, is there any way to lets say, ‘click’ a specific cell and that the filter that has this cell will be selected (SetActiveSource()) to know which filter cor…

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## [How to Adjust Tick Values on X and Y Axes in vtk.js Without Modifying DataBounds?](https://discourse.paraview.org/t/how-to-adjust-tick-values-on-x-and-y-axes-in-vtk-js-without-modifying-databounds/16338)

<div class="topic-metadata">

**Author:** [@zdc](https://discourse.paraview.org/u/zdc)\
**Replies:** 0\
**Last updated:** [March 15, 2025, 4:06pm UTC](https://discourse.paraview.org/t/how-to-adjust-tick-values-on-x-and-y-axes-in-vtk-js-without-modifying-databounds/16338 "2025-03-15T16:06:02Z")

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We are using vtk.js, and when visualizing 3D data with isosurfaces, the tick values on the x and y coordinate axes appear enlarged due to scaling. We want to restore the displayed values to their original scale without m…

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## [Post processing shader](https://discourse.paraview.org/t/post-processing-shader/16105)

<div class="topic-metadata">

**Author:** [@Djolalo](https://discourse.paraview.org/u/Djolalo)\
**Replies:** 0\
**Last updated:** [February 4, 2025, 12:22pm UTC](https://discourse.paraview.org/t/post-processing-shader/16105 "2025-02-04T12:22:00Z")

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Hi folks ! I’ve wanted to implement bloom using a postprocessing shader (probably GPU Downsampling). I would’ve used openGL shading syntax since I know it’s the shading language used in Paraview, but I can’t find any g…

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## [Animating with frozen time steps](https://discourse.paraview.org/t/animating-with-frozen-time-steps/17534)

<div class="topic-metadata">

**Author:** [@Eliah](https://discourse.paraview.org/u/Eliah)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 6:20am UTC](https://discourse.paraview.org/t/animating-with-frozen-time-steps/17534 "2026-04-27T06:20:47Z")

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Hey all, I have ParaView 6.1.0-RC1, just wondering if someone can give some advice. I want to be able to freeze my timesteps at 0s to move the camera around to display my setup then lock the camera position and run thro…

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## [glitchy render in non conformal geometry](https://discourse.paraview.org/t/glitchy-render-in-non-conformal-geometry/17704)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 3\
**Last updated:** [August 28, 2026, 11:53am UTC](https://discourse.paraview.org/t/glitchy-render-in-non-conformal-geometry/17704 "2026-08-28T11:53:08Z")

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Hello, i was doing a random test for other purposes and i found that the resulting render was quite glichy for this case of two boxes touching on the corner and merged together. here one can find the example eg.pvsm …

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## ["No X column is set" in Plot Data filter](https://discourse.paraview.org/t/no-x-column-is-set-in-plot-data-filter/17706)

<div class="topic-metadata">

**Author:** [@elynch](https://discourse.paraview.org/u/elynch)\
**Replies:** 2\
**Last updated:** [August 31, 2026, 1:17pm UTC](https://discourse.paraview.org/t/no-x-column-is-set-in-plot-data-filter/17706 "2026-08-31T13:17:16Z")

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I’m attempting to make a simple line plot of PressureCoeff\_AVG vs. Points\_X using the data in the attached file. avgTaps\_2.vtp (11.2 KB) Load data file Add a Plot Data filter, hit Apply Uncheck “Use Index For X Axis” …

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## [visualize a csv file using streamline](https://discourse.paraview.org/t/visualize-a-csv-file-using-streamline/16967)

<div class="topic-metadata">

**Author:** [@chenyu\_shang](https://discourse.paraview.org/u/chenyu_shang)\
**Replies:** 2\
**Last updated:** [July 17, 2025, 7:50am UTC](https://discourse.paraview.org/t/visualize-a-csv-file-using-streamline/16967 "2025-07-17T07:50:59Z")

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i have a csv file and i want to visualize it in paraview using streamline, how can i do that. i tried first using tabletostructuregrid, and then using calculator. but it failed and generate no imformation

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## [Is it possible to show on the legend the true minimum and maximum?](https://discourse.paraview.org/t/is-it-possible-to-show-on-the-legend-the-true-minimum-and-maximum/17659)

<div class="topic-metadata">

**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 1\
**Last updated:** [July 14, 2026, 4:03pm UTC](https://discourse.paraview.org/t/is-it-possible-to-show-on-the-legend-the-true-minimum-and-maximum/17659 "2026-07-14T16:03:50Z")

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I’d like to set the minimum and maximum, in which case the legend currently shows the chosen minimum and maximum, not the true minimum and maximum of the scalar field. Edit: I happened to find “Draw data range labels”. …

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## [ParaView Office Hours April 2, 2026](https://discourse.paraview.org/t/paraview-office-hours-april-2-2026/17499)

<div class="topic-metadata">

**Author:** [@Bob\_Obara](https://discourse.paraview.org/u/Bob_Obara)\
**Replies:** 1\
**Last updated:** [April 2, 2026, 8:04pm UTC](https://discourse.paraview.org/t/paraview-office-hours-april-2-2026/17499 "2026-04-02T20:04:30Z")

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Have a question about how to use ParaView? Ask ParaView experts at this week’s office hours! Time: Thursday, April 2 · 3:30 – 5:00pm Time zone: America/New\_York Google Meet joining info Video call link: https://meet.g…

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## [How to extract data form PlotDataOverTime filer with python/pvpython](https://discourse.paraview.org/t/how-to-extract-data-form-plotdataovertime-filer-with-python-pvpython/17456)

<div class="topic-metadata">

**Author:** [@DioCanada](https://discourse.paraview.org/u/DioCanada)\
**Replies:** 1\
**Last updated:** [March 2, 2026, 9:22am UTC](https://discourse.paraview.org/t/how-to-extract-data-form-plotdataovertime-filer-with-python-pvpython/17456 "2026-03-02T09:22:00Z")

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Hello all, I’m writing a pvpython script to evaluate the mean flow over a surface for every time step, and do some further calculation with the extracted data. As a first approach, i applied the integrate variables fil…

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## [Animation of steady files](https://discourse.paraview.org/t/animation-of-steady-files/17409)

<div class="topic-metadata">

**Author:** [@ompe2026](https://discourse.paraview.org/u/ompe2026)\
**Replies:** 1\
**Last updated:** [January 28, 2026, 8:46am UTC](https://discourse.paraview.org/t/animation-of-steady-files/17409 "2026-01-28T08:46:56Z")

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Hello, I’am using paraview 5.13 and I want to do an animation of steady files. I got file0.cgns, file1.cgns, file2.cgns and so on. I would like to to a video which shows how mesh and Mach number vary. I tried with time …

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## [Paraview, Unresolved external symbol, MSVC, DLL](https://discourse.paraview.org/t/paraview-unresolved-external-symbol-msvc-dll/16928)

<div class="topic-metadata">

**Author:** [@viktor-vad](https://discourse.paraview.org/u/viktor-vad)\
**Replies:** 1\
**Last updated:** [July 15, 2025, 7:41am UTC](https://discourse.paraview.org/t/paraview-unresolved-external-symbol-msvc-dll/16928 "2025-07-15T07:41:21Z")

</div>

I have been attempting to build paraview app with default filters as shared. I started building it some versions and commits ago, with QT5. Now I tried with QT6. Same problem. While building target pqApplicationCompon…

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## [Unable to launch pvpython.exe from command line](https://discourse.paraview.org/t/unable-to-launch-pvpython-exe-from-command-line/16899)

<div class="topic-metadata">

**Author:** [@Northern\_Condor](https://discourse.paraview.org/u/Northern_Condor)\
**Replies:** 1\
**Last updated:** [July 8, 2025, 11:57am UTC](https://discourse.paraview.org/t/unable-to-launch-pvpython-exe-from-command-line/16899 "2025-07-08T11:57:38Z")

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Hello I have a custom build of paraview I have used the following from pvpython.exe to get the necessary PATH variables \>\>\> import sys \>\>\> ';'.join(sys.path) However, when I want to launch pvpython.exe from command l…

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## [ParaView Plugin XML, should name == label?](https://discourse.paraview.org/t/paraview-plugin-xml-should-name-label/16144)

<div class="topic-metadata">

**Author:** [@joint](https://discourse.paraview.org/u/joint)\
**Replies:** 1\
**Last updated:** [February 11, 2025, 8:48am UTC](https://discourse.paraview.org/t/paraview-plugin-xml-should-name-label/16144 "2025-02-11T08:48:03Z")

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Hello, nice to see u! Has name be equal to label in plugin XML? Has name be equal to command in plugin XML? Has label be equal to command in plugin XML? Where to see more documentation on plugin XMLs? Thanks

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## [Display RGB png file with RGB Colors?](https://discourse.paraview.org/t/display-rgb-png-file-with-rgb-colors/15972)

<div class="topic-metadata">

**Author:** [@DominionSoftware](https://discourse.paraview.org/u/DominionSoftware)\
**Replies:** 1\
**Last updated:** [January 12, 2025, 10:42pm UTC](https://discourse.paraview.org/t/display-rgb-png-file-with-rgb-colors/15972 "2025-01-12T22:42:06Z")

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I’m trying to load a png file with it’s native RGB colors. How to do that? Thanks

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## [cylinder generation using python script in paraview](https://discourse.paraview.org/t/cylinder-generation-using-python-script-in-paraview/15874)

<div class="topic-metadata">

**Author:** [@chungyin\_cheng](https://discourse.paraview.org/u/chungyin_cheng)\
**Replies:** 1\
**Last updated:** [December 17, 2024, 3:10pm UTC](https://discourse.paraview.org/t/cylinder-generation-using-python-script-in-paraview/15874 "2024-12-17T15:10:45Z")

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Hello everyone! now i am doing a simulation about flow past a 2D circular cylinder by input the python script. The problem i facing is the simulation in the Paraview does not work. where i can set the running time for my…

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## [Wall\_shear\_stress on Field Files](https://discourse.paraview.org/t/wall-shear-stress-on-field-files/15340)

<div class="topic-metadata">

**Author:** [@Pranay\_006](https://discourse.paraview.org/u/Pranay_006)\
**Replies:** 0\
**Last updated:** [September 2, 2024, 8:18pm UTC](https://discourse.paraview.org/t/wall-shear-stress-on-field-files/15340 "2024-09-02T20:18:10Z")

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I am trying to extract wall shear stress or gradient dU/dy across the airfoil profile using gradient and methods proposed in Manipulation of field files - ParaView Support - ParaView and Calculation of Drag, Wall shear s…

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## [Dynamic GUI Generation for Python Plugins](https://discourse.paraview.org/t/dynamic-gui-generation-for-python-plugins/17723)

<div class="topic-metadata">

**Author:** [@Felipe\_Bordeu](https://discourse.paraview.org/u/Felipe_Bordeu)\
**Replies:** 1\
**Last updated:** [September 14, 2026, 9:31am UTC](https://discourse.paraview.org/t/dynamic-gui-generation-for-python-plugins/17723 "2026-09-14T09:31:23Z")

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Hi ParaView Community, I do a lot of prototyping, and one feature I use heavily is Python plugins in ParaView. They make it possible to turn a prototype into something that instantly looks and feels professional, thank…

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## [assembling 3D cross sections](https://discourse.paraview.org/t/assembling-3d-cross-sections/17533)

<div class="topic-metadata">

**Author:** [@morraine](https://discourse.paraview.org/u/morraine)\
**Replies:** 1\
**Last updated:** [April 27, 2026, 6:15am UTC](https://discourse.paraview.org/t/assembling-3d-cross-sections/17533 "2026-04-27T06:15:52Z")

</div>

Hey Paraview folks, I have a number of GPR radargrams in 2D (cross section of the subsurface) with corresponding transects on the surface and I am looking to attach the radargrams to their corresponding transects to cre…

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## [filters not being updated when using pvpython?](https://discourse.paraview.org/t/filters-not-being-updated-when-using-pvpython/17347)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 1\
**Last updated:** [December 4, 2025, 2:53pm UTC](https://discourse.paraview.org/t/filters-not-being-updated-when-using-pvpython/17347 "2025-12-04T14:53:52Z")

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hello, i am having a problem with one of my scripts, i have a pipeline of 4 filters that I am changing inside a loop, I am creating a slice (slice\_0) in the XZ plane, then creating a second slice(slice\_1) in the XY pl…

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## [Unable set line display type like dot.](https://discourse.paraview.org/t/unable-set-line-display-type-like-dot/17301)

<div class="topic-metadata">

**Author:** [@Gastbye\_Liu](https://discourse.paraview.org/u/Gastbye_Liu)\
**Replies:** 1\
**Last updated:** [November 12, 2025, 7:36am UTC](https://discourse.paraview.org/t/unable-set-line-display-type-like-dot/17301 "2025-11-12T07:36:23Z")

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I have a vtk file for line segments (as follows). And I want to show the dot line in paraview. Does paraview have the function for that? vtk DataFile Version 2.0 Point and Line Data ASCII DATASET POLYDATA POINTS 4 f…

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## [How to preserve object properties across sessions when loading multiple savestates](https://discourse.paraview.org/t/how-to-preserve-object-properties-across-sessions-when-loading-multiple-savestates/16087)

<div class="topic-metadata">

**Author:** [@Vinicius](https://discourse.paraview.org/u/Vinicius)\
**Replies:** 1\
**Last updated:** [February 5, 2025, 8:47am UTC](https://discourse.paraview.org/t/how-to-preserve-object-properties-across-sessions-when-loading-multiple-savestates/16087 "2025-02-05T08:47:15Z")

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Hi all, Is there a way to save the properties of an object (display settings, colorbar used, etc)? I am aware that you can use savestates. I need to load some objects from time to time in new sessions (with different fi…

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## [Build Paraview from source, OpenGL Vender points to Intel not Nvidia](https://discourse.paraview.org/t/build-paraview-from-source-opengl-vender-points-to-intel-not-nvidia/15589)

<div class="topic-metadata">

**Author:** [@Huxiang\_Shi](https://discourse.paraview.org/u/Huxiang_Shi)\
**Replies:** 1\
**Last updated:** [October 21, 2024, 12:56pm UTC](https://discourse.paraview.org/t/build-paraview-from-source-opengl-vender-points-to-intel-not-nvidia/15589 "2024-10-21T12:56:43Z")

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Dear All, I am building ParaView 5.13.1, and the building process is successful, and I have a question that the OpenGL Vendor in Help-\>About is Intel, but I have also installed ParaView from official release msi file, a…

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## [mpi question](https://discourse.paraview.org/t/mpi-question/17381)

<div class="topic-metadata">

**Author:** [@akoodlyr](https://discourse.paraview.org/u/akoodlyr)\
**Replies:** 0\
**Last updated:** [December 16, 2025, 12:30pm UTC](https://discourse.paraview.org/t/mpi-question/17381 "2025-12-16T12:30:21Z")

</div>

Hi, I am having trouble with running pvbatch in parallel mode after installing v6.0.1-MPI version. I have the Microsoft MPI installed on my machine and I have re-installed Paraview 6.0.1 with MPI support. I am trying t…

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## [Saving images rendered with optiX and tuning render parameters](https://discourse.paraview.org/t/saving-images-rendered-with-optix-and-tuning-render-parameters/16601)

<div class="topic-metadata">

**Author:** [@David\_Cortes](https://discourse.paraview.org/u/David_Cortes)\
**Replies:** 0\
**Last updated:** [May 9, 2025, 4:48pm UTC](https://discourse.paraview.org/t/saving-images-rendered-with-optix-and-tuning-render-parameters/16601 "2025-05-09T16:48:48Z")

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Hi, I’m rendering a scene using the optiX pathtracer. I have a couple of questions: What’s the best combination of numbers for Samples per Pixel and Progressive Passes, for a final image? I’m setting 64 and 1024, resp…

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## [FLUENTCFFReader averaged field variable range off](https://discourse.paraview.org/t/fluentcffreader-averaged-field-variable-range-off/15787)

<div class="topic-metadata">

**Author:** [@nabla](https://discourse.paraview.org/u/nabla)\
**Replies:** 2\
**Last updated:** [November 26, 2024, 12:30pm UTC](https://discourse.paraview.org/t/fluentcffreader-averaged-field-variable-range-off/15787 "2024-11-26T12:30:29Z")

</div>

Hello, When running a fluent case and sampling steady-state statistics, we obtain field variables that appear as SV\_U\_MEAN or SV\_U\_RMS (in the case of x-velocity) after having imported the cas.h5/dat.h5 file into paravi…

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