# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=71

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

**Page:** 72

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## [particle tracer error: Number of components do not match](https://discourse.paraview.org/t/particle-tracer-error-number-of-components-do-not-match/12455)

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**Author:** [@Krentos\_Iliakopoulos](https://discourse.paraview.org/u/Krentos_Iliakopoulos)\
**Replies:** 2\
**Last updated:** [July 6, 2023, 6:35pm UTC](https://discourse.paraview.org/t/particle-tracer-error-number-of-components-do-not-match/12455 "2023-07-06T18:35:20Z")

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hello, i want to trace some particles injected to a domain where i know the velocity field data for every time step. I have already created a .pvd file containing the data in order to import it to paraview. Now when it c…

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

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

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

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## [Detecting overlapping Points](https://discourse.paraview.org/t/detecting-overlapping-points/12458)

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**Author:** [@Muhammad\_Saad\_Atique](https://discourse.paraview.org/u/Muhammad_Saad_Atique)\
**Replies:** 0\
**Last updated:** [July 6, 2023, 3:22pm UTC](https://discourse.paraview.org/t/detecting-overlapping-points/12458 "2023-07-06T15:22:51Z")

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I have extracted some points and applied calculator on it, then I extract overlapping points. The new extracted surface should have points on which calculator was applied, is there a way to detect that and see if new poi…

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## [How to put function value at a particular location, in the calculator?](https://discourse.paraview.org/t/how-to-put-function-value-at-a-particular-location-in-the-calculator/12457)

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**Author:** [@kstar](https://discourse.paraview.org/u/kstar)\
**Replies:** 0\
**Last updated:** [July 6, 2023, 2:34pm UTC](https://discourse.paraview.org/t/how-to-put-function-value-at-a-particular-location-in-the-calculator/12457 "2023-07-06T14:34:16Z")

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Hi, my original problem involves finding the thickness of fluid jet. I need to find the location of points where the fluid velocity is half the velocity at the axis(y=0). My idea was to perform something like U = u(xcor…

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## [How to plot streamwise vorticity](https://discourse.paraview.org/t/how-to-plot-streamwise-vorticity/12434)

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**Author:** [@Nasrollah\_H](https://discourse.paraview.org/u/Nasrollah_H)\
**Replies:** 8\
**Last updated:** [July 5, 2023, 6:32pm UTC](https://discourse.paraview.org/t/how-to-plot-streamwise-vorticity/12434 "2023-07-05T18:32:34Z")

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Dear Paraview developer, I am simulating the flow within a U-shape tube. I am going to visualize the streamwise vorticity contour in a plane normal to tube axis. However, the velocity components are in the Cartesian coo…

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## [Visualize field of data-derived polygonal surfaces with individual textures ("rich glyphs")](https://discourse.paraview.org/t/visualize-field-of-data-derived-polygonal-surfaces-with-individual-textures-rich-glyphs/12446)

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**Author:** [@leoniel](https://discourse.paraview.org/u/leoniel)\
**Replies:** 4\
**Last updated:** [July 5, 2023, 11:55am UTC](https://discourse.paraview.org/t/visualize-field-of-data-derived-polygonal-surfaces-with-individual-textures-rich-glyphs/12446 "2023-07-05T11:55:02Z")

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Hi, I have long tried to find a good way of doing this - I want to show a field of “rich glyphs”, more complicated than the TensorGlyph class but following a similar idea. I want to show a field of glyphs with a base geo…

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## [Client/server version hash mismatch](https://discourse.paraview.org/t/client-server-version-hash-mismatch/12414)

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**Author:** [@fra](https://discourse.paraview.org/u/fra)\
**Replies:** 6\
**Last updated:** [July 4, 2023, 3:48pm UTC](https://discourse.paraview.org/t/client-server-version-hash-mismatch/12414 "2023-07-04T15:48:51Z")

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Hi, I use a workstation in my job that was recently upgraded to Debian 12 (bookworm). Paraview got upgraded to version 5.11.0. After the upgrade, I downloaded the Windows binaries on my own machine (same version), but u…

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## [PVD with files with different meshes](https://discourse.paraview.org/t/pvd-with-files-with-different-meshes/4946)

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**Author:** [@mrklein](https://discourse.paraview.org/u/mrklein)\
**Replies:** 8\
**Last updated:** [July 4, 2023, 2:43pm UTC](https://discourse.paraview.org/t/pvd-with-files-with-different-meshes/4946 "2023-07-04T14:43:37Z")

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Dear community, I have a time series of node-centered data on rectangular grid with changing geometry. I create PVD file as follows: \<?xml version="1.0"?\> \<VTKFile type="Collection" vesion="0.1"\> \<Collection\> \<Da…

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## [No SDF file format?](https://discourse.paraview.org/t/no-sdf-file-format/10839)

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**Author:** [@DanRR](https://discourse.paraview.org/u/DanRR)\
**Replies:** 10\
**Last updated:** [July 4, 2023, 9:39am UTC](https://discourse.paraview.org/t/no-sdf-file-format/10839 "2023-07-04T09:39:23Z")

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I see probably a 100 of supported formats but no SDF one. Any reason for that? Dead format? MATLAB, Python, IDL support it…

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## [Trouble using pvpython with Paraview Linux 5.11.1](https://discourse.paraview.org/t/trouble-using-pvpython-with-paraview-linux-5-11-1/12426)

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**Author:** [@AlD](https://discourse.paraview.org/u/AlD)\
**Replies:** 3\
**Last updated:** [July 4, 2023, 9:36am UTC](https://discourse.paraview.org/t/trouble-using-pvpython-with-paraview-linux-5-11-1/12426 "2023-07-04T09:36:03Z")

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I’m getting errors trying when loading pvpython and trying to use from paraview.simple import \* The message is ModuleNotFoundError: No module named 'paraview' I also get the warming hwloc/linux: Ignoring PCI device…

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## [VTKPythonAlgorithmBase object in Python shell](https://discourse.paraview.org/t/vtkpythonalgorithmbase-object-in-python-shell/12439)

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**Author:** [@atismer](https://discourse.paraview.org/u/atismer)\
**Replies:** 2\
**Last updated:** [July 4, 2023, 9:03am UTC](https://discourse.paraview.org/t/vtkpythonalgorithmbase-object-in-python-shell/12439 "2023-07-04T09:03:43Z")

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I created a VTKPythonAlgorithmBase source for ParaView. Within the constructor the return object \_mp of createMachine() is stored as attribute. @smproxy.source( name="dtOOReaderName", label="dtOOReaderLabel" ) class dtO…

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## [Visualizations of wave breaking](https://discourse.paraview.org/t/visualizations-of-wave-breaking/12432)

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**Author:** [@sopoyoon](https://discourse.paraview.org/u/sopoyoon)\
**Replies:** 2\
**Last updated:** [July 4, 2023, 7:02am UTC](https://discourse.paraview.org/t/visualizations-of-wave-breaking/12432 "2023-07-04T07:02:48Z")

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Hello everyone, I am a beginner in using Paraview for visualizing wave breaking. I would like to use Paraview with an input file that contains volume fraction data for all cells at their centers, where 0 represents air …

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## [Decreasing opacity reveals the mesh division over different processors](https://discourse.paraview.org/t/decreasing-opacity-reveals-the-mesh-division-over-different-processors/12430)

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**Author:** [@Uday](https://discourse.paraview.org/u/Uday)\
**Replies:** 6\
**Last updated:** [July 3, 2023, 2:01pm UTC](https://discourse.paraview.org/t/decreasing-opacity-reveals-the-mesh-division-over-different-processors/12430 "2023-07-03T14:01:32Z")

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I have geometry built using multiple processors. So when I try to visualize it in paraview by decreasing the opacity I can see lines (for 2D) and planes (for 3D) dividing the geometry. These lines correspond to splitting…

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## [paraview execution problems](https://discourse.paraview.org/t/paraview-execution-problems/12418)

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**Author:** [@eric72](https://discourse.paraview.org/u/eric72)\
**Replies:** 4\
**Last updated:** [July 3, 2023, 5:30am UTC](https://discourse.paraview.org/t/paraview-execution-problems/12418 "2023-07-03T05:30:24Z")

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I installed wsl in windows 10, changed it to wsl2, and installed ubuntu 20.04.6. openfoam.org installed precompiled openfoam10 and paraviewopenfoam 5.10. However, the openfoam runs well, but the paraview fails. Run xmi…

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## [pvbatch occur problems](https://discourse.paraview.org/t/pvbatch-occur-problems/12419)

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**Author:** [@eric72](https://discourse.paraview.org/u/eric72)\
**Replies:** 3\
**Last updated:** [July 3, 2023, 4:54am UTC](https://discourse.paraview.org/t/pvbatch-occur-problems/12419 "2023-07-03T04:54:08Z")

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I installed wsl from windows10 on 2 computers and ubuntu 20.04.6 and installed precompiled openfoam10 and paraview openfoam 5.10 from openfoam.org . After running openfoam, I wrote python script using trace in paraview …

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## [How to input timesteps values for stl motion](https://discourse.paraview.org/t/how-to-input-timesteps-values-for-stl-motion/12421)

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**Author:** [@GeoUge](https://discourse.paraview.org/u/GeoUge)\
**Replies:** 2\
**Last updated:** [July 1, 2023, 9:32am UTC](https://discourse.paraview.org/t/how-to-input-timesteps-values-for-stl-motion/12421 "2023-07-01T09:32:09Z")

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Hi, I have STL files that represent the same 3d object but at different positions/times. They are stored in a folder as follows: Stl\_00000.stl Stl\_00001.stl Stl\_00002.stl Stl\_0000X.stl When I load these STL files i…

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## [Help finding source code for dataset\_adapter.VTKUnstructuredGrid](https://discourse.paraview.org/t/help-finding-source-code-for-dataset-adapter-vtkunstructuredgrid/12423)

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**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 0\
**Last updated:** [June 30, 2023, 10:44pm UTC](https://discourse.paraview.org/t/help-finding-source-code-for-dataset-adapter-vtkunstructuredgrid/12423 "2023-06-30T22:44:33Z")

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Hi there, I’m attempting to get better understandings for programmable filters, but have yet to find information fo this type paraview.vtk.numpy\_interface.dataset\_adapter.UnstructuredGrid. Where can I find the source co…

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## [node ordering and volume computation of quadratic wedges](https://discourse.paraview.org/t/node-ordering-and-volume-computation-of-quadratic-wedges/12088)

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**Author:** [@Ramzi](https://discourse.paraview.org/u/Ramzi)\
**Replies:** 1\
**Last updated:** [June 30, 2023, 7:01pm UTC](https://discourse.paraview.org/t/node-ordering-and-volume-computation-of-quadratic-wedges/12088 "2023-06-30T19:01:40Z")

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Hi all, In a recent post, an issue in linear wedges was discussed (documentation’s figures has been updated since) and I was wondering if nodes’ ordering for quadratic wedges in the documentation also needed to be corr…

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## [Source code parsing](https://discourse.paraview.org/t/source-code-parsing/12415)

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**Author:** [@hou\_zhijie](https://discourse.paraview.org/u/hou_zhijie)\
**Replies:** 1\
**Last updated:** [June 30, 2023, 4:57pm UTC](https://discourse.paraview.org/t/source-code-parsing/12415 "2023-06-30T16:57:13Z")

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Do you have any books related to Paraview source code analysis？

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## [Out of range exception when using GhostCellGenerator](https://discourse.paraview.org/t/out-of-range-exception-when-using-ghostcellgenerator/12354)

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**Author:** [@guillaume\_Peillex](https://discourse.paraview.org/u/guillaume_Peillex)\
**Replies:** 5\
**Last updated:** [June 29, 2023, 4:19pm UTC](https://discourse.paraview.org/t/out-of-range-exception-when-using-ghostcellgenerator/12354 "2023-06-29T16:19:13Z")

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Hi all, When using the GhostCellsGenerator filter on the following database bug\_gcg.tar.bz2 (28.3 KB) , ParaViewcrashes, throwing a std::out\_of\_range exception. The database is the result of a computation made on 2 M…

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## [Plot/Calculate along a Streamlines](https://discourse.paraview.org/t/plot-calculate-along-a-streamlines/12405)

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**Author:** [@Ruben](https://discourse.paraview.org/u/Ruben)\
**Replies:** 3\
**Last updated:** [June 29, 2023, 2:53pm UTC](https://discourse.paraview.org/t/plot-calculate-along-a-streamlines/12405 "2023-06-29T14:53:50Z")

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Dear Everybody, my goal is to perform a calculation along a streamline: I need to evaluate a certain integral along a streamline. The means following the streamline I would like to: Extract certain cell values, calcula…

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## [Extract point data over time](https://discourse.paraview.org/t/extract-point-data-over-time/12412)

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**Author:** [@Kei\_Yamamoto](https://discourse.paraview.org/u/Kei_Yamamoto)\
**Replies:** 1\
**Last updated:** [June 29, 2023, 1:57pm UTC](https://discourse.paraview.org/t/extract-point-data-over-time/12412 "2023-06-29T13:57:43Z")

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Hi, I’m using Paraview 5.10.1 and would like to know if there is a way to extract data from a point over time. What I do right now is to Select point Use PlotSlectionOverTime Open another View and select SpreadSheet…

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## [Paraview-superbuild: no "paraview.exe" binary on Windows 11](https://discourse.paraview.org/t/paraview-superbuild-no-paraview-exe-binary-on-windows-11/12397)

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**Author:** [@cfd\_ow](https://discourse.paraview.org/u/cfd_ow)\
**Replies:** 2\
**Last updated:** [June 28, 2023, 7:27pm UTC](https://discourse.paraview.org/t/paraview-superbuild-no-paraview-exe-binary-on-windows-11/12397 "2023-06-28T19:27:05Z")

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I am currently trying to build paraview-superbuild on Windows 11. The branch name is “v5.11.1”. Here is my installed environments: Visual Studio 2022 ninja After I cloned the repo of paraview-superbuild, I created a f…

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## [Is there any documents or examples for Custom shader / Shader Replacement?](https://discourse.paraview.org/t/is-there-any-documents-or-examples-for-custom-shader-shader-replacement/1423)

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**Author:** [@ymjia](https://discourse.paraview.org/u/ymjia)\
**Replies:** 3\
**Last updated:** [June 28, 2023, 7:05pm UTC](https://discourse.paraview.org/t/is-there-any-documents-or-examples-for-custom-shader-shader-replacement/1423 "2023-06-28T19:05:03Z")

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I am trying to shading a point cloud in point gaussian representation. But I cannot figure out how to get vertex normal or how to get camera position through shader replacement/ custom shader. Could someone give me som…

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## [track the volume of cells for multiple bubble](https://discourse.paraview.org/t/track-the-volume-of-cells-for-multiple-bubble/12410)

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**Author:** [@monaksh\_nayak](https://discourse.paraview.org/u/monaksh_nayak)\
**Replies:** 0\
**Last updated:** [June 28, 2023, 3:32pm UTC](https://discourse.paraview.org/t/track-the-volume-of-cells-for-multiple-bubble/12410 "2023-06-28T15:32:09Z")

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hello every one, i have simulating boiling cases can any one tell me how can i track the volume of multiple bubble nucleating in a 3d space at each and every time step for every single bubble. Can i use threshold and con…

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## [Unicode characters in python annotation](https://discourse.paraview.org/t/unicode-characters-in-python-annotation/12385)

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**Author:** [@Rojj](https://discourse.paraview.org/u/Rojj)\
**Replies:** 5\
**Last updated:** [June 28, 2023, 8:27am UTC](https://discourse.paraview.org/t/unicode-characters-in-python-annotation/12385 "2023-06-28T08:27:40Z")

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I am trying to use a unicode character in a python annotation, but it is being ignored. Am I doing something wrong or it is not possible? I can see the character in the editor, but it does not show in the view. This is …

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## [Problem with my Paraview.](https://discourse.paraview.org/t/problem-with-my-paraview/12338)

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**Author:** [@Rishi\_Dhar](https://discourse.paraview.org/u/Rishi_Dhar)\
**Replies:** 2\
**Last updated:** [June 28, 2023, 7:51am UTC](https://discourse.paraview.org/t/problem-with-my-paraview/12338 "2023-06-28T07:51:40Z")

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I am getting a wierd errror where only a corner of paraview is showing. I dont know exactly the problem. Please suggest a remedy.

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## [This VTU file can be loaded into Linux, but not Windows](https://discourse.paraview.org/t/this-vtu-file-can-be-loaded-into-linux-but-not-windows/12380)

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**Author:** [@cfd\_ow](https://discourse.paraview.org/u/cfd_ow)\
**Replies:** 17\
**Last updated:** [June 28, 2023, 7:07am UTC](https://discourse.paraview.org/t/this-vtu-file-can-be-loaded-into-linux-but-not-windows/12380 "2023-06-28T07:07:55Z")

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The VTU file was generated from a in-house CFD solver based on the High Lift Workshop benchmark case. It contains 26M grid points and ~65M cells. The files are placed at Google drive: volumes\_hlcrm\_medium.tar - Google Dr…

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## [Paraview 5.11.0 build src error - vtkprotobuf](https://discourse.paraview.org/t/paraview-5-11-0-build-src-error-vtkprotobuf/12370)

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**Author:** [@kmilo9999](https://discourse.paraview.org/u/kmilo9999)\
**Replies:** 3\
**Last updated:** [June 28, 2023, 5:38am UTC](https://discourse.paraview.org/t/paraview-5-11-0-build-src-error-vtkprotobuf/12370 "2023-06-28T05:38:09Z")

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Hello, I am trying to build paraview 5.11.0 from source but I am getting the following error: ./../../../lib64/libvtklibprotoc-pv5.11.so.5.11: undefined reference to \`google::vtkprotobuf::Descriptor::FindFieldByName(st…

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## [Text labels in ParaView?](https://discourse.paraview.org/t/text-labels-in-paraview/4180)

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**Author:** [@vadimcn](https://discourse.paraview.org/u/vadimcn)\
**Replies:** 4\
**Last updated:** [June 27, 2023, 8:23pm UTC](https://discourse.paraview.org/t/text-labels-in-paraview/4180 "2023-06-27T20:23:44Z")

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I’d like to be able to store and display free-form text labels for points/cells. Is this possible in ParaView? I’ve seen some examples that utilize vtkStringArray’s, but can’t find any documentation about how to store …

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