# Top

**URL:** https://discourse.paraview.org/top.md?page=116&period=all

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**Page:** 117

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## [How to show the boundary/outline of a curved region?](https://discourse.paraview.org/t/how-to-show-the-boundary-outline-of-a-curved-region/11293)

<div class="topic-metadata">

**Author:** [@nwscfd](https://discourse.paraview.org/u/nwscfd)\
**Replies:** 1\
**Last updated:** [March 24, 2023, 1:08pm UTC](https://discourse.paraview.org/t/how-to-show-the-boundary-outline-of-a-curved-region/11293 "2023-03-24T13:08:59Z")

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I am visualizing CFD results from a nozzle simulated in OpenFOAM. My colormap shows high temperatures as a white-ish color, as seen below. Here’s what it looks like with a different colormap: How can I render a b…

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## [Groups of cells in unstructured grid](https://discourse.paraview.org/t/groups-of-cells-in-unstructured-grid/7919)

<div class="topic-metadata">

**Author:** [@Sagues](https://discourse.paraview.org/u/Sagues)\
**Replies:** 1\
**Last updated:** [September 2, 2021, 1:40pm UTC](https://discourse.paraview.org/t/groups-of-cells-in-unstructured-grid/7919 "2021-09-02T13:40:04Z")

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If I have this unstructured grid like this: vtkNew ugrid; ugrid-\>Allocate(100); ugrid-\>InsertNextCell(VTK\_HEXAHEDRON, 8, pts\[0\]); ugrid-\>InsertNextCell(VTK\_HEXAHEDRON, 8, pts\[1\]); ugrid-\>InsertNextCell(VTK\_TETRA, 4,…

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## [Push grid to back?](https://discourse.paraview.org/t/push-grid-to-back/5859)

<div class="topic-metadata">

**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 1\
**Last updated:** [November 21, 2020, 11:14am UTC](https://discourse.paraview.org/t/push-grid-to-back/5859 "2020-11-21T11:14:41Z")

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Hello! How do I make it so that my black plot is infront of the grid? I am using “Data Axes Grid”. Kind regards

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## [How to Rotate/ Transform only one field in a table of points, not the co-ordinates as well?](https://discourse.paraview.org/t/how-to-rotate-transform-only-one-field-in-a-table-of-points-not-the-co-ordinates-as-well/4605)

<div class="topic-metadata">

**Author:** [@JamesS](https://discourse.paraview.org/u/JamesS)\
**Replies:** 1\
**Last updated:** [June 17, 2020, 1:55pm UTC](https://discourse.paraview.org/t/how-to-rotate-transform-only-one-field-in-a-table-of-points-not-the-co-ordinates-as-well/4605 "2020-06-17T13:55:23Z")

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Hello, I have a table of points, for example containing the following columns, x, y, z, density. I want to rotate and translate the density field but keep the co-ordinates (lattice), (x,y,z) the same. I’ve tried using t…

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## [Hide output in ServerManagerConfiguration](https://discourse.paraview.org/t/hide-output-in-servermanagerconfiguration/6348)

<div class="topic-metadata">

**Author:** [@RR84](https://discourse.paraview.org/u/RR84)\
**Replies:** 2\
**Last updated:** [February 3, 2021, 7:53pm UTC](https://discourse.paraview.org/t/hide-output-in-servermanagerconfiguration/6348 "2021-02-03T19:53:18Z")

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Is it possible to hide an Output from a SourceProxy? I want to hide the third output of my filter.

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## [Paraview wiget](https://discourse.paraview.org/t/paraview-wiget/1851)

<div class="topic-metadata">

**Author:** [@Deepen](https://discourse.paraview.org/u/Deepen)\
**Replies:** 1\
**Last updated:** [May 14, 2019, 12:15pm UTC](https://discourse.paraview.org/t/paraview-wiget/1851 "2019-05-14T12:15:04Z")

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Hi, I am facing issue while try to create a 3D widget in paraview. While i create a QLabel and make it a child of parent then it is coming at the bottom of parent widget. I want have the image (QLabel) inside the parent…

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## [Flow field not smooth after Delaunay 3D](https://discourse.paraview.org/t/flow-field-not-smooth-after-delaunay-3d/13951)

<div class="topic-metadata">

**Author:** [@suanan](https://discourse.paraview.org/u/suanan)\
**Replies:** 4\
**Last updated:** [February 20, 2024, 12:15pm UTC](https://discourse.paraview.org/t/flow-field-not-smooth-after-delaunay-3d/13951 "2024-02-20T12:15:59Z")

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I need to reconstruct the pressure field from 3D coordinates and pressure values. The 3D coordinates are the center coordinates of the mesh of the cylinder calculated by discretizing the finite element mesh. predict\_…

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## [Annotate text based on else/if condition](https://discourse.paraview.org/t/annotate-text-based-on-else-if-condition/10425)

<div class="topic-metadata">

**Author:** [@Trailer1](https://discourse.paraview.org/u/Trailer1)\
**Replies:** 4\
**Last updated:** [September 30, 2022, 8:48am UTC](https://discourse.paraview.org/t/annotate-text-based-on-else-if-condition/10425 "2022-09-30T08:48:45Z")

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Hello to all, I would like to annotate some text based on the time of my simulation. If my time is less or equal to 1 annotate: “one” if my time is more than 1 annotate: “two” How can I achieve this? Would it be poss…

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## [Vtk format reader](https://discourse.paraview.org/t/vtk-format-reader/13675)

<div class="topic-metadata">

**Author:** [@Mateus\_Ribeiro](https://discourse.paraview.org/u/Mateus_Ribeiro)\
**Replies:** 6\
**Last updated:** [January 11, 2024, 2:20pm UTC](https://discourse.paraview.org/t/vtk-format-reader/13675 "2024-01-11T14:20:30Z")

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Hi, I’m trying to read my first .vtk file, but Paraview says that he can’t find a reader for the file. Guess there is something wrong with my file. Can someone help me with this? variavel.vtk (352.2 KB)

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## [Double numbers at data axes grid](https://discourse.paraview.org/t/double-numbers-at-data-axes-grid/5955)

<div class="topic-metadata">

**Author:** [@benediktB](https://discourse.paraview.org/u/benediktB)\
**Replies:** 2\
**Last updated:** [December 2, 2020, 12:26pm UTC](https://discourse.paraview.org/t/double-numbers-at-data-axes-grid/5955 "2020-12-02T12:26:39Z")

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Hi everyone, I have a data set with activated data axes grid. At the corners, there are sometimes two numbers, which overlap in some cases, which does not look good. I attach a image, so that you can see, what I mean. I…

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## [Paraview and VTK support for moving mesh](https://discourse.paraview.org/t/paraview-and-vtk-support-for-moving-mesh/15634)

<div class="topic-metadata">

**Author:** [@jpmorr](https://discourse.paraview.org/u/jpmorr)\
**Replies:** 4\
**Last updated:** [October 30, 2024, 9:52pm UTC](https://discourse.paraview.org/t/paraview-and-vtk-support-for-moving-mesh/15634 "2024-10-30T21:52:39Z")

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In my simulations I often have to display a 3D mesh (which could be PolyData or UnstructuredGrid depending on where it comes from) that is moving about the simulation domain, like a propeller blade in a CFD domain. In th…

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## [Looking for suggestions regarding file format](https://discourse.paraview.org/t/looking-for-suggestions-regarding-file-format/15350)

<div class="topic-metadata">

**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 1\
**Last updated:** [September 6, 2024, 7:36am UTC](https://discourse.paraview.org/t/looking-for-suggestions-regarding-file-format/15350 "2024-09-06T07:36:16Z")

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We’ve been using the .pvd file format for storing results (and ParaView for visualization/analysis) from our Coreform Flex isogeometric analysis solver for a few years and have some features requested by our customers th…

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## [Error with superbuild](https://discourse.paraview.org/t/error-with-superbuild/10242)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 4\
**Last updated:** [September 2, 2022, 3:48pm UTC](https://discourse.paraview.org/t/error-with-superbuild/10242 "2022-09-02T15:48:42Z")

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It seems like a simple enough error, but I’m stumped. This trips when I attempt to make install, after the build has completed. FileNotFoundError: \[Errno 2\] No such file or directory: '/home/woodcn2/git-repos/build-…

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## [Load Python plugins in Paraview (Linux)](https://discourse.paraview.org/t/load-python-plugins-in-paraview-linux/14131)

<div class="topic-metadata">

**Author:** [@enricsosa](https://discourse.paraview.org/u/enricsosa)\
**Replies:** 2\
**Last updated:** [March 12, 2024, 1:14pm UTC](https://discourse.paraview.org/t/load-python-plugins-in-paraview-linux/14131 "2024-03-12T13:14:09Z")

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Hi, I was following the instructions in section 5.5 of the Paraview’s reference manual (5. Programmable Filter — ParaView Documentation 5.12.0 documentation) because that’s what I want for my work, quoting the manual: “I…

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## [Operations on frames - linear combination and envelope](https://discourse.paraview.org/t/operations-on-frames-linear-combination-and-envelope/11087)

<div class="topic-metadata">

**Author:** [@FEngineer](https://discourse.paraview.org/u/FEngineer)\
**Replies:** 2\
**Last updated:** [March 15, 2023, 11:37am UTC](https://discourse.paraview.org/t/operations-on-frames-linear-combination-and-envelope/11087 "2023-03-15T11:37:16Z")

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Hi, I’ve found a way to sum results from 2 data sets: Results superposition But is it possible to do the same when there’s a single data set containing multiple frames (selected as Time) ? Also, is there a way to obta…

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## [Paraview core dumped on popos](https://discourse.paraview.org/t/paraview-core-dumped-on-popos/10239)

<div class="topic-metadata">

**Author:** [@Ramesh\_Kolluru](https://discourse.paraview.org/u/Ramesh_Kolluru)\
**Replies:** 1\
**Last updated:** [September 2, 2022, 6:38am UTC](https://discourse.paraview.org/t/paraview-core-dumped-on-popos/10239 "2022-09-02T06:38:31Z")

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I have installed paraview on popos and it worked fine for a day and suddenly it shows coredumped … here is the result of paraview any help in getting it up and running rameshkolluru@pop-os:~$ paraview & \[2\] 99496 rames…

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## [Link Cameras with Rotational Offset](https://discourse.paraview.org/t/link-cameras-with-rotational-offset/10070)

<div class="topic-metadata">

**Author:** [@Mike\_Tree](https://discourse.paraview.org/u/Mike_Tree)\
**Replies:** 1\
**Last updated:** [July 29, 2022, 9:50pm UTC](https://discourse.paraview.org/t/link-cameras-with-rotational-offset/10070 "2022-07-29T21:50:11Z")

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I want to be able to link two views, but have some rotational offset between the initial camera positions. For example, I want the camera in View1 to start out pointed in the +X direction (+Y up) and the camera in View2 …

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## [Node number and coordinate changing](https://discourse.paraview.org/t/node-number-and-coordinate-changing/7581)

<div class="topic-metadata">

**Author:** [@F.A](https://discourse.paraview.org/u/F.A)\
**Replies:** 1\
**Last updated:** [August 3, 2021, 12:39pm UTC](https://discourse.paraview.org/t/node-number-and-coordinate-changing/7581 "2021-08-03T12:39:07Z")

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Hi, I imported a .vtk file (meshed model created by Segment Mesher) from Slicer to ParaView. I used the extract surface filter and then exported the model as .stl file, but the node number of stl file is not the same as …

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## [Underlying VTK pipeline](https://discourse.paraview.org/t/underlying-vtk-pipeline/4032)

<div class="topic-metadata">

**Author:** [@JDD](https://discourse.paraview.org/u/JDD)\
**Replies:** 1\
**Last updated:** [April 14, 2020, 3:22am UTC](https://discourse.paraview.org/t/underlying-vtk-pipeline/4032 "2020-04-14T03:22:30Z")

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Greetings! I can successfully load a dataset (.vti) in ParaView but I’d like to know what underlying reader, mapper etc is used because I want to replicate the same pipeline in vtk python wrapper as far as basic visuali…

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## [VeloView Build Problem](https://discourse.paraview.org/t/veloview-build-problem/10136)

<div class="topic-metadata">

**Author:** [@VIKTORKURYSH](https://discourse.paraview.org/u/VIKTORKURYSH)\
**Replies:** 0\
**Last updated:** [August 11, 2022, 5:43pm UTC](https://discourse.paraview.org/t/veloview-build-problem/10136 "2022-08-11T17:43:53Z")

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I follow LidarView\_Developer\_Guide to build Veloview. on Windows 11. I have installed QT ver 5.12.9 Run commands from “Visual Studio 2019 Developer Command Prompt” Current branch is master. Got error on buildyng Pyt…

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## [Animate spherical clip](https://discourse.paraview.org/t/animate-spherical-clip/8615)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 3\
**Last updated:** [January 17, 2022, 6:42pm UTC](https://discourse.paraview.org/t/animate-spherical-clip/8615 "2022-01-17T18:42:28Z")

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I’d like to create an animation based on the radius parameter for the spherical clip filter. That doesn’t seem to be an option. Is there a way to do this aside from scripting it?

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## [TECPLOT File loads in Windows but not Linux](https://discourse.paraview.org/t/tecplot-file-loads-in-windows-but-not-linux/8532)

<div class="topic-metadata">

**Author:** [@DoctorPressure8](https://discourse.paraview.org/u/DoctorPressure8)\
**Replies:** 3\
**Last updated:** [December 2, 2021, 9:21am UTC](https://discourse.paraview.org/t/tecplot-file-loads-in-windows-but-not-linux/8532 "2021-12-02T09:21:27Z")

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Hi, My code creates a TECPLOT .plt file and this loads fine in TECPLOT and in Paraview on my Windows PC but will not load on my Linux Laptop. It says something about “Meshes not found”. I wonder if it’s not choosing the…

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## [How to high light blocks, make them just like they are selected](https://discourse.paraview.org/t/how-to-high-light-blocks-make-them-just-like-they-are-selected/2599)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 3\
**Last updated:** [October 14, 2019, 1:55am UTC](https://discourse.paraview.org/t/how-to-high-light-blocks-make-them-just-like-they-are-selected/2599 "2019-10-14T01:55:30Z")

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Dear Experts, I want to high light some blocks and the desired the effect just like blocks are selected in paraview. But seems doing thing like selection is very heavy, is there any more elegant way to do so? I can re…

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## [How to run Paraview on multiple GPUs in a single node](https://discourse.paraview.org/t/how-to-run-paraview-on-multiple-gpus-in-a-single-node/10014)

<div class="topic-metadata">

**Author:** [@Bruno\_Sotelo](https://discourse.paraview.org/u/Bruno_Sotelo)\
**Replies:** 1\
**Last updated:** [July 19, 2022, 9:32am UTC](https://discourse.paraview.org/t/how-to-run-paraview-on-multiple-gpus-in-a-single-node/10014 "2022-07-19T09:32:38Z")

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Hello, I compiled 5.6 superbuild version with EGL and MPI support on my linux machine. I have an instance with 4 GPUs and 24 cores but since I have EGL capabilities, I want to use all 4 GPUs. The following is a command …

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## [Is there something wrong with the paraview-config.cmake file on master?](https://discourse.paraview.org/t/is-there-something-wrong-with-the-paraview-config-cmake-file-on-master/1556)

<div class="topic-metadata">

**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 1\
**Last updated:** [March 29, 2019, 5:21pm UTC](https://discourse.paraview.org/t/is-there-something-wrong-with-the-paraview-config-cmake-file-on-master/1556 "2019-03-29T17:21:34Z")

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I’m trying to find ParaView using find\_package(ParaView COMPONENTS ParaView::PythonCatalyst REQUIRED) but am getting the following CMake error: Could not find the ParaView package with the following required components…

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## [Change button size in GUI](https://discourse.paraview.org/t/change-button-size-in-gui/14803)

<div class="topic-metadata">

**Author:** [@ZiyangHuang](https://discourse.paraview.org/u/ZiyangHuang)\
**Replies:** 8\
**Last updated:** [March 25, 2025, 9:24am UTC](https://discourse.paraview.org/t/change-button-size-in-gui/14803 "2025-03-25T09:24:02Z")

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Hi, I installed ParaView on both Windows 11 and WSL, and they work. ParaView on Windows 11: ParaView on WSL: The front size and button size of ParaView on Windows 11 are suitable for me, while those on WSL are …

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## [ParaView's minimum python version?](https://discourse.paraview.org/t/paraviews-minimum-python-version/4205)

<div class="topic-metadata">

**Author:** [@Dave\_DeMarle](https://discourse.paraview.org/u/Dave_DeMarle)\
**Replies:** 2\
**Last updated:** [April 29, 2020, 6:04pm UTC](https://discourse.paraview.org/t/paraviews-minimum-python-version/4205 "2020-04-29T18:04:54Z")

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Hey what is ParaView’s minimum Python version these days? thanks

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## [Reading vtk file](https://discourse.paraview.org/t/reading-vtk-file/14407)

<div class="topic-metadata">

**Author:** [@mbaghirzade](https://discourse.paraview.org/u/mbaghirzade)\
**Replies:** 6\
**Last updated:** [April 19, 2024, 3:49am UTC](https://discourse.paraview.org/t/reading-vtk-file/14407 "2024-04-19T03:49:44Z")

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Hello, I hope this message finds all well. I am reaching out to ask one issue regarding my vtk output files. When I plot the files, I get the profiles, however, in the same time I get the error message saying “Cannot …

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## [Is it possible to choose multiple girds in the coloring select?](https://discourse.paraview.org/t/is-it-possible-to-choose-multiple-girds-in-the-coloring-select/12831)

<div class="topic-metadata">

**Author:** [@fashing](https://discourse.paraview.org/u/fashing)\
**Replies:** 7\
**Last updated:** [September 11, 2023, 9:01am UTC](https://discourse.paraview.org/t/is-it-possible-to-choose-multiple-girds-in-the-coloring-select/12831 "2023-09-11T09:01:55Z")

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Hi, I am using Paraview 5.11.1 for volume rendering. And the testcase I use contains multiple grids in Grid Arrays. I notice that I can only choose one grid each time in the coloring select. I wonder if there’s a way to …

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## [VTK Texture Mapping Generic Error](https://discourse.paraview.org/t/vtk-texture-mapping-generic-error/3471)

<div class="topic-metadata">

**Author:** [@Cal](https://discourse.paraview.org/u/Cal)\
**Replies:** 1\
**Last updated:** [January 31, 2020, 3:52am UTC](https://discourse.paraview.org/t/vtk-texture-mapping-generic-error/3471 "2020-01-31T03:52:37Z")

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Hi all, I was wondering if anyone knows what the attached generic error means? Thanks! Cal

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## [Trouble Running ParaView 5.13.3 on HPC Cluster: Missing libGL.so.1 and libglapi.so.0](https://discourse.paraview.org/t/trouble-running-paraview-5-13-3-on-hpc-cluster-missing-libgl-so-1-and-libglapi-so-0/16749)

<div class="topic-metadata">

**Author:** [@Hemiao\_Zhang](https://discourse.paraview.org/u/Hemiao_Zhang)\
**Replies:** 5\
**Last updated:** [June 13, 2025, 11:18am UTC](https://discourse.paraview.org/t/trouble-running-paraview-5-13-3-on-hpc-cluster-missing-libgl-so-1-and-libglapi-so-0/16749 "2025-06-13T11:18:55Z")

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Hi all, I’m trying to install and run ParaView 5.13.3 on a Linux-based HPC system (Stanford’s Sherlock cluster), but I’m running into some shared library issues. I’ve tested both: The standard MPI Linux build: ParaVie…

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## [where is vtkMultiBlockPLOT3DReader.cxx](https://discourse.paraview.org/t/where-is-vtkmultiblockplot3dreader-cxx/11444)

<div class="topic-metadata">

**Author:** [@uporersith](https://discourse.paraview.org/u/uporersith)\
**Replies:** 5\
**Last updated:** [February 20, 2023, 3:03pm UTC](https://discourse.paraview.org/t/where-is-vtkmultiblockplot3dreader-cxx/11444 "2023-02-20T15:03:14Z")

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I want to write my own reader plugin and model it off the PLOT3DReader plugin. Where can I find the file “vtkMultiBLockPLOT3DReader.cxx” file? I know it exists because Paraview will tell me there is an error there (see b…

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## [Adding text actor to Scene](https://discourse.paraview.org/t/adding-text-actor-to-scene/8547)

<div class="topic-metadata">

**Author:** [@devngc](https://discourse.paraview.org/u/devngc)\
**Replies:** 1\
**Last updated:** [December 2, 2021, 3:44pm UTC](https://discourse.paraview.org/t/adding-text-actor-to-scene/8547 "2021-12-02T15:44:27Z")

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Hey all, I am interested in writing text to a vtkjs file. My proces of generating a vtkjs file is following; generate dataset folders using vtkJSONDataSetWriter Reference the folders in the index.json Zip everything a…

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## [Specific MPI used in Catalyst build vs Simulation build](https://discourse.paraview.org/t/specific-mpi-used-in-catalyst-build-vs-simulation-build/3162)

<div class="topic-metadata">

**Author:** [@kschau](https://discourse.paraview.org/u/kschau)\
**Replies:** 1\
**Last updated:** [December 11, 2019, 11:46am UTC](https://discourse.paraview.org/t/specific-mpi-used-in-catalyst-build-vs-simulation-build/3162 "2019-12-11T11:46:30Z")

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I am curious about the ParaView users experience using catalyst and a variety of compilers, specifically when it comes to different MPIs… My usual practice for software like Catalyst is to install them with the system’s…

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## [LagrangianParticleTracker with offscreen rendering](https://discourse.paraview.org/t/lagrangianparticletracker-with-offscreen-rendering/2319)

<div class="topic-metadata">

**Author:** [@asmith](https://discourse.paraview.org/u/asmith)\
**Replies:** 1\
**Last updated:** [July 31, 2019, 7:53am UTC](https://discourse.paraview.org/t/lagrangianparticletracker-with-offscreen-rendering/2319 "2019-07-31T07:53:42Z")

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I would like to use offscreen rendering with the LagrangianParticleTracker plugin but when I configure with: PARAVIEW\_BUILD\_QT\_GUI OFF the LagrangianParticleTracker plugin is no longer an option. Additionally, the Lag…

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## [Modifying algorithms in Paraview Visualizer](https://discourse.paraview.org/t/modifying-algorithms-in-paraview-visualizer/1522)

<div class="topic-metadata">

**Author:** [@eldwin](https://discourse.paraview.org/u/eldwin)\
**Replies:** 1\
**Last updated:** [March 25, 2019, 3:57pm UTC](https://discourse.paraview.org/t/modifying-algorithms-in-paraview-visualizer/1522 "2019-03-25T15:57:08Z")

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Greetings, I want to make paraview visualizer load multiple files, group these files and select an output color mapping as default during launch. I know that these steps can be done using a python script in paraview des…

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## [Temporal interpolator screws up Resample with dataset](https://discourse.paraview.org/t/temporal-interpolator-screws-up-resample-with-dataset/7194)

<div class="topic-metadata">

**Author:** [@Massimiliano\_Leoni](https://discourse.paraview.org/u/Massimiliano_Leoni)\
**Replies:** 3\
**Last updated:** [May 11, 2021, 8:27am UTC](https://discourse.paraview.org/t/temporal-interpolator-screws-up-resample-with-dataset/7194 "2021-05-11T08:27:36Z")

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Hello, I ran into some quite disturbing behaviour using ParaView 5.9.0 on a Linux machine. My solution file contains a flow field from Navier-Stokes, time-dependent. I want to compute fluxes across a given surface over …

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## [Need help in Ploting 2d XY line chart from a file written in tecplot style](https://discourse.paraview.org/t/need-help-in-ploting-2d-xy-line-chart-from-a-file-written-in-tecplot-style/3852)

<div class="topic-metadata">

**Author:** [@Bhanuday.Sharma](https://discourse.paraview.org/u/Bhanuday.Sharma)\
**Replies:** 0\
**Last updated:** [March 20, 2020, 7:27am UTC](https://discourse.paraview.org/t/need-help-in-ploting-2d-xy-line-chart-from-a-file-written-in-tecplot-style/3852 "2020-03-20T07:27:50Z")

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I wish to plot a XY line from a file (foo.tec) written in tecplot style. The content of the file is as following: TITLE = "Multi-Zone 2D Plot" VARIABLES = "X", "Press" ZONE T="ZONE-1" 1.0 100.0 1.2 95.0 1.8 90.0 2.…

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## [Running Paraview in parallel](https://discourse.paraview.org/t/running-paraview-in-parallel/3985)

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**Author:** [@drudox00](https://discourse.paraview.org/u/drudox00)\
**Replies:** 2\
**Last updated:** [April 8, 2020, 12:46am UTC](https://discourse.paraview.org/t/running-paraview-in-parallel/3985 "2020-04-08T00:46:53Z")

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I’ve tried to follow the documentation … but it is not so clear for me how to run paraview in parallel … I also have notice that now the binary paraview package is ready for MPI … so I just need to better understand how…

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## [Use of external trajectory, LAS export, batch mode](https://discourse.paraview.org/t/use-of-external-trajectory-las-export-batch-mode/17167)

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**Author:** [@Toby](https://discourse.paraview.org/u/Toby)\
**Replies:** 7\
**Last updated:** [October 21, 2025, 12:02pm UTC](https://discourse.paraview.org/t/use-of-external-trajectory-las-export-batch-mode/17167 "2025-10-21T12:02:13Z")

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Hi, I’ve been doing some testing with SLAM inside LidarView, using data acquired with a Hesai Pandar XT32 and a GNSS/INS positioning unit (IMU) from which we can obtain a post-processed tightly-coupled trajectory. First…

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## [Delaunay3D got stuck](https://discourse.paraview.org/t/delaunay3d-got-stuck/9127)

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**Author:** [@Karl\_Banana](https://discourse.paraview.org/u/Karl_Banana)\
**Replies:** 1\
**Last updated:** [March 7, 2022, 3:07am UTC](https://discourse.paraview.org/t/delaunay3d-got-stuck/9127 "2022-03-07T03:07:21Z")

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Hi, I’m new working with some weather data which are only grid points. I found it incompatible with many filters I’m interested in. So I want to use Delaunay3D to convert it into mesh. But Delaunay3D seems to be computat…

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## [How to Show a vtkMultiBlockDataset with the Paraview Python wrapper](https://discourse.paraview.org/t/how-to-show-a-vtkmultiblockdataset-with-the-paraview-python-wrapper/9012)

<div class="topic-metadata">

**Author:** [@joaomlap](https://discourse.paraview.org/u/joaomlap)\
**Replies:** 1\
**Last updated:** [February 23, 2022, 10:55am UTC](https://discourse.paraview.org/t/how-to-show-a-vtkmultiblockdataset-with-the-paraview-python-wrapper/9012 "2022-02-23T10:55:19Z")

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Hi I recently posted in “Support” but I think this belongs in Web since I am using Paraview as a Remote Server, I am trying to use paraview.simple to render a vtkMultiBlockDataset. If I try to do: paraview.simple.Show…

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## [fail to execute the Initialize for the vtkCPProcessor](https://discourse.paraview.org/t/fail-to-execute-the-initialize-for-the-vtkcpprocessor/4656)

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**Author:** [@zhe](https://discourse.paraview.org/u/zhe)\
**Replies:** 1\
**Last updated:** [June 29, 2020, 11:24am UTC](https://discourse.paraview.org/t/fail-to-execute-the-initialize-for-the-vtkcpprocessor/4656 "2020-06-29T11:24:00Z")

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Hello, there it following code in my program: vtkCPProcessor \*Processor = NULL; ... if (Processor == NULL) { Processor = vtkCPProcessor::New(); Processor-\>Initialize(); } but I got following errors when I e…

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## [StandaloneSceneLoader issue](https://discourse.paraview.org/t/standalonesceneloader-issue/2307)

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**Author:** [@benoitpaillard](https://discourse.paraview.org/u/benoitpaillard)\
**Replies:** 1\
**Last updated:** [July 26, 2019, 3:57pm UTC](https://discourse.paraview.org/t/standalonesceneloader-issue/2307 "2019-07-26T15:57:59Z")

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Hi all, I noticed today that the standaloneSceneLoader on vtk.js example page does not work anymore. The window does not load, and using the html file to load a previously generated vtkjs or the toy data given results i…

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## [Issue exporting animation using .avi format](https://discourse.paraview.org/t/issue-exporting-animation-using-avi-format/6154)

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**Author:** [@Mexican-Judo](https://discourse.paraview.org/u/Mexican-Judo)\
**Replies:** 0\
**Last updated:** [December 31, 2020, 1:41am UTC](https://discourse.paraview.org/t/issue-exporting-animation-using-avi-format/6154 "2020-12-31T01:41:08Z")

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I am unable to export .avi video. I am new to Paraview so i am not sure if i made a mistake while installing the software. I have attached the options i choose when exporting the animation as well as the error that i got…

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## [ParaViewweb netcdf support](https://discourse.paraview.org/t/paraviewweb-netcdf-support/11234)

<div class="topic-metadata">

**Author:** [@Q1CHEN](https://discourse.paraview.org/u/Q1CHEN)\
**Replies:** 2\
**Last updated:** [January 23, 2023, 3:36pm UTC](https://discourse.paraview.org/t/paraviewweb-netcdf-support/11234 "2023-01-23T15:36:24Z")

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Hi everyone, does paraviewweb support nercdf(.nc) files? I always get error when I open netcdf files with it, such as ( 54.356s) \[paraview \] vtkNetCDFCAMReader.cxx:132 ERR| vtkNetCDFCAMReader (0x17841060): Ne…

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## [How to implant paraview web visualizer to a framework?](https://discourse.paraview.org/t/how-to-implant-paraview-web-visualizer-to-a-framework/9921)

<div class="topic-metadata">

**Author:** [@THUClifford](https://discourse.paraview.org/u/THUClifford)\
**Replies:** 2\
**Last updated:** [June 29, 2022, 9:13am UTC](https://discourse.paraview.org/t/how-to-implant-paraview-web-visualizer-to-a-framework/9921 "2022-06-29T09:13:27Z")

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I am trying to build a visualize website with paraview web visualizer. I want to observe not only the 3D object, but watch other files at the same time, therefore I want to ask is there a way to implant paraview web visu…

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## [Substract a value at probe location from a field](https://discourse.paraview.org/t/substract-a-value-at-probe-location-from-a-field/8765)

<div class="topic-metadata">

**Author:** [@lolo18](https://discourse.paraview.org/u/lolo18)\
**Replies:** 2\
**Last updated:** [January 13, 2022, 11:08am UTC](https://discourse.paraview.org/t/substract-a-value-at-probe-location-from-a-field/8765 "2022-01-13T11:08:00Z")

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Hi all, I have a simulation with a time-dependent pressure field around an object in a complex 2D flow. At any given time point, the pressure variations in space around the object of interest are much smaller than the p…

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## [Gradient Of Unstructured DataSet Not Found](https://discourse.paraview.org/t/gradient-of-unstructured-dataset-not-found/8385)

<div class="topic-metadata">

**Author:** [@twnsplr](https://discourse.paraview.org/u/twnsplr)\
**Replies:** 2\
**Last updated:** [November 12, 2021, 9:11am UTC](https://discourse.paraview.org/t/gradient-of-unstructured-dataset-not-found/8385 "2021-11-12T09:11:45Z")

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I have a external aerodynamics case from OpenFOAM in which I want to visualize the Q-criterion and vorticity fields. I searched in the internet regarding this and I found that I have to use a filter called Gradient Of Un…

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## [How does one add padding to the data axes labels? or maybe even some offset?](https://discourse.paraview.org/t/how-does-one-add-padding-to-the-data-axes-labels-or-maybe-even-some-offset/17026)

<div class="topic-metadata">

**Author:** [@abidoescfd](https://discourse.paraview.org/u/abidoescfd)\
**Replies:** 8\
**Last updated:** [June 14, 2026, 9:23pm UTC](https://discourse.paraview.org/t/how-does-one-add-padding-to-the-data-axes-labels-or-maybe-even-some-offset/17026 "2026-06-14T21:23:47Z")

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Hello everyone! ParaView is amazing, but I have found that I couldn’t offset my data axes labels from the ticks. I really need the numbers on the axes grid to be large, and the same needs to be done with the label, but u…

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