# Top

**URL:** https://discourse.paraview.org/top.md?page=52&period=all

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

**Page:** 53

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## [CPU Thread Capping issues in 5.9-RC1](https://discourse.paraview.org/t/cpu-thread-capping-issues-in-5-9-rc1/5852)

<div class="topic-metadata">

**Author:** [@mconti](https://discourse.paraview.org/u/mconti)\
**Replies:** 2\
**Last updated:** [November 20, 2020, 7:11pm UTC](https://discourse.paraview.org/t/cpu-thread-capping-issues-in-5-9-rc1/5852 "2020-11-20T19:11:23Z")

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Hey all, looks like the environmental variables to cap PV CPU usage have changed in 5.9, does anyone know what the new ones are? These are the environmental variables that cap the CPU usage PV can grab, and without them…

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## [Adding Max and Min values to color bars with Above Range and/or Below Range Colors](https://discourse.paraview.org/t/adding-max-and-min-values-to-color-bars-with-above-range-and-or-below-range-colors/3521)

<div class="topic-metadata">

**Author:** [@DaleKramer](https://discourse.paraview.org/u/DaleKramer)\
**Replies:** 4\
**Last updated:** [February 7, 2020, 10:47pm UTC](https://discourse.paraview.org/t/adding-max-and-min-values-to-color-bars-with-above-range-and-or-below-range-colors/3521 "2020-02-07T22:47:37Z")

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This is a feature request and I would like some opinions before I bother people in the GitLab. Would it be worth adding a git issue to request that Max and Mix value text be added to color bars that use ‘Above Range’ an…

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## [Resample surface/plane uniformly](https://discourse.paraview.org/t/resample-surface-plane-uniformly/3200)

<div class="topic-metadata">

**Author:** [@charlie89](https://discourse.paraview.org/u/charlie89)\
**Replies:** 2\
**Last updated:** [December 19, 2019, 11:30pm UTC](https://discourse.paraview.org/t/resample-surface-plane-uniformly/3200 "2019-12-19T23:30:47Z")

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So the “big picture” of what I’m trying to do is create an artificial data set that would mimic the output from a 3D camera. The process I’m attempting to complete is this: Define 8 corner points that make up the cube …

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## [AttributeError: type object 'GeometryRepresentation' has no attribute 'InputVectors'](https://discourse.paraview.org/t/attributeerror-type-object-geometryrepresentation-has-no-attribute-inputvectors/7574)

<div class="topic-metadata">

**Author:** [@maruthinh](https://discourse.paraview.org/u/maruthinh)\
**Replies:** 7\
**Last updated:** [May 31, 2023, 8:29am UTC](https://discourse.paraview.org/t/attributeerror-type-object-geometryrepresentation-has-no-attribute-inputvectors/7574 "2023-05-31T08:29:26Z")

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I generated a trace to get Q-criterion. When I run this script in python shell within the Paraview, it works fine. But when I run in terminal either using pvpython or pvbatch, I get the following error AttributeError: t…

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## [controlling slices in Slice View](https://discourse.paraview.org/t/controlling-slices-in-slice-view/8799)

<div class="topic-metadata">

**Author:** [@BikerJoe](https://discourse.paraview.org/u/BikerJoe)\
**Replies:** 5\
**Last updated:** [January 25, 2022, 2:57pm UTC](https://discourse.paraview.org/t/controlling-slices-in-slice-view/8799 "2022-01-25T14:57:21Z")

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Is it possible to control the Z slice with better control than dragging the mouse? Such as controlling the Z steps in a defined increment. I want to scan through my Z steps looking for anomalies, and sometimes the anoma…

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## [Adding New Points in Programmable Filter](https://discourse.paraview.org/t/adding-new-points-in-programmable-filter/9383)

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**Author:** [@patchett2002](https://discourse.paraview.org/u/patchett2002)\
**Replies:** 4\
**Last updated:** [April 27, 2022, 5:53pm UTC](https://discourse.paraview.org/t/adding-new-points-in-programmable-filter/9383 "2022-04-27T17:53:26Z")

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Hello, we (@lpalmstrom and I) have been trying to extend a vtkRectinear/Image Data/or vtkStructuredData with a python programmable filter. Our initial goal was to take the first column of a structured grid and add it as…

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## [XDMF files](https://discourse.paraview.org/t/xdmf-files/3033)

<div class="topic-metadata">

**Author:** [@kirathegreat](https://discourse.paraview.org/u/kirathegreat)\
**Replies:** 4\
**Last updated:** [November 26, 2019, 12:19am UTC](https://discourse.paraview.org/t/xdmf-files/3033 "2019-11-26T00:19:29Z")

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Hello, I generate some XDMF files ( output.xdmf and output.h5) from some FEniCS codes I wrote, I needed to open them on Paraview (5.6.2 - 64-bit) on my Macbook, I chose load the output.xdmf file and I was prompted to ch…

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## [plot the pressure over a cylinder in ParaView](https://discourse.paraview.org/t/plot-the-pressure-over-a-cylinder-in-paraview/2076)

<div class="topic-metadata">

**Author:** [@zakaria\_rhm](https://discourse.paraview.org/u/zakaria_rhm)\
**Replies:** 3\
**Last updated:** [June 20, 2019, 9:12am UTC](https://discourse.paraview.org/t/plot-the-pressure-over-a-cylinder-in-paraview/2076 "2019-06-20T09:12:12Z")

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Hi all, how to plot the pressure curves in functions of the angle (0 to 360) over a cylinder. the study is a numerical simulation of a turbulent flow around four cylinders in square configuration, I used Gmsh for geom…

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## [ParaView display issues, NVidia, Kubuntu 18.04](https://discourse.paraview.org/t/paraview-display-issues-nvidia-kubuntu-18-04/542)

<div class="topic-metadata">

**Author:** [@Andrew\_Maclean](https://discourse.paraview.org/u/Andrew_Maclean)\
**Replies:** 3\
**Last updated:** [September 8, 2018, 11:52am UTC](https://discourse.paraview.org/t/paraview-display-issues-nvidia-kubuntu-18-04/542 "2018-09-08T11:52:55Z")

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I have just installed Kubuntu 18.04 and I am seeing the rendered image only fill part of the render window. See: I have tested these versions, from ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit up to ParaView-5.5.2-Qt5-MP…

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## [Export paraview keyframe animation to 3D Studio Max](https://discourse.paraview.org/t/export-paraview-keyframe-animation-to-3d-studio-max/950)

<div class="topic-metadata">

**Author:** [@luismestre](https://discourse.paraview.org/u/luismestre)\
**Replies:** 3\
**Last updated:** [February 8, 2021, 2:51pm UTC](https://discourse.paraview.org/t/export-paraview-keyframe-animation-to-3d-studio-max/950 "2021-02-08T14:51:24Z")

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Dear Developers and users of Paraview Is it already possible to export Paraview keyframe animation to a visual application such as 3D Studio MAx? Importing geometry into Max via VRLM format is possivel, however the co…

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## [Setting Color Configuration for PNGSeriesReader in ParaViewWeb](https://discourse.paraview.org/t/setting-color-configuration-for-pngseriesreader-in-paraviewweb/2291)

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**Author:** [@mayfielg](https://discourse.paraview.org/u/mayfielg)\
**Replies:** 4\
**Last updated:** [August 7, 2019, 9:14pm UTC](https://discourse.paraview.org/t/setting-color-configuration-for-pngseriesreader-in-paraviewweb/2291 "2019-08-07T21:14:51Z")

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Hello all, When loading a stack of PNG images into client with paraviewweb using the PNGSeriesReader class, how is the ‘Color’ display option set? In the ParaView app, the ‘Color’ display option needs to be set to ‘PN…

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## [How to change the default settings in Paraview lite?](https://discourse.paraview.org/t/how-to-change-the-default-settings-in-paraview-lite/7704)

<div class="topic-metadata">

**Author:** [@rasunag27](https://discourse.paraview.org/u/rasunag27)\
**Replies:** 5\
**Last updated:** [August 2, 2021, 4:45pm UTC](https://discourse.paraview.org/t/how-to-change-the-default-settings-in-paraview-lite/7704 "2021-08-02T16:45:36Z")

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Dear all, I would like to change few default representations in Paraview lite. I have highlighted the needs of change in below points with example. Could anyone please shed a light on this on where I can change this eit…

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## [can't load a plugin 'Meshio'](https://discourse.paraview.org/t/cant-load-a-plugin-meshio/11440)

<div class="topic-metadata">

**Author:** [@MMeursault](https://discourse.paraview.org/u/MMeursault)\
**Replies:** 8\
**Last updated:** [April 19, 2024, 3:42pm UTC](https://discourse.paraview.org/t/cant-load-a-plugin-meshio/11440 "2024-04-19T15:42:32Z")

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I’m a complete beginner when it comes to programming and after doing the steps here: tianyikillua/paraview-meshio: Generic mesh reader / writer for ParaView (github.com) I get this error: Generic Warning: In vtkPVPyth…

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## [Calculator Does Not Work With Partial Dataset](https://discourse.paraview.org/t/calculator-does-not-work-with-partial-dataset/1599)

<div class="topic-metadata">

**Author:** [@Aandreyev](https://discourse.paraview.org/u/Aandreyev)\
**Replies:** 3\
**Last updated:** [March 9, 2021, 2:39pm UTC](https://discourse.paraview.org/t/calculator-does-not-work-with-partial-dataset/1599 "2021-03-09T14:39:38Z")

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Hello all, I have an AMR data set where the data is only stored on the leaf nodes. Thus all datasets come up as partial, which is fine. However, the calculator does not seem to work with them. It cannot parse the equati…

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## [How to use ParaView to display this format file: xdmf with binary?](https://discourse.paraview.org/t/how-to-use-paraview-to-display-this-format-file-xdmf-with-binary/11071)

<div class="topic-metadata">

**Author:** [@ZhuWenliang](https://discourse.paraview.org/u/ZhuWenliang)\
**Replies:** 2\
**Last updated:** [December 28, 2022, 2:18am UTC](https://discourse.paraview.org/t/how-to-use-paraview-to-display-this-format-file-xdmf-with-binary/11071 "2022-12-28T02:18:36Z")

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After using the lb/fluid module of lammps to calculate MD, I got the following files (fflow.xdmf fflow.raw), but I couldn’t find the relevant opening solutions in the paraview manual. Several lines in the xdmf file (ffl…

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## [Issue when saving animation in .avi](https://discourse.paraview.org/t/issue-when-saving-animation-in-avi/6386)

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**Author:** [@Kihiro\_Bando](https://discourse.paraview.org/u/Kihiro_Bando)\
**Replies:** 5\
**Last updated:** [February 4, 2021, 5:53pm UTC](https://discourse.paraview.org/t/issue-when-saving-animation-in-avi/6386 "2021-02-04T17:53:55Z")

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Hi, I built Paraview 5.9.0 using the following cmake command line cmake \\ -DPARAVIEW\_USE\_PYTHON=ON \\ -DPARAVIEW\_USE\_MPI=ON \\ -DPARAVIEW\_ENABLE\_XDMF2=ON \\ -DPARAVIEW\_ENABLE\_XDMF3=ON \\ -DPARAVIEW\_ENAB…

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## [Programmable Source: Vorticity and gradient from numpy data](https://discourse.paraview.org/t/programmable-source-vorticity-and-gradient-from-numpy-data/3846)

<div class="topic-metadata">

**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 2\
**Last updated:** [March 19, 2020, 11:03am UTC](https://discourse.paraview.org/t/programmable-source-vorticity-and-gradient-from-numpy-data/3846 "2020-03-19T11:03:10Z")

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Hello, I have a programmable source that creates a Delaunay2D mesh from Numpy arrays. Now I want to calculate the vorticity from the vector field but “algs.vorticity(Vector\_Speed)” do not work because “Vector\_Speed” is …

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## [Abaqus Rainbow colormap](https://discourse.paraview.org/t/abaqus-rainbow-colormap/16444)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 6\
**Last updated:** [April 10, 2025, 4:47pm UTC](https://discourse.paraview.org/t/abaqus-rainbow-colormap/16444 "2025-04-10T16:47:03Z")

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If you’ve ever found yourself needing to make a comparison plot between an Abaqus result and ParaView visualization, you’ve probably wanted to use the Abaqus rainbow “spectrum”. I’ve transcribed Abaqus’ rainbow spectrum…

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## [Color transfer function values in pvpython](https://discourse.paraview.org/t/color-transfer-function-values-in-pvpython/10363)

<div class="topic-metadata">

**Author:** [@CJBright](https://discourse.paraview.org/u/CJBright)\
**Replies:** 4\
**Last updated:** [October 10, 2022, 5:35pm UTC](https://discourse.paraview.org/t/color-transfer-function-values-in-pvpython/10363 "2022-10-10T17:35:35Z")

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Hi there, I’m attempting to change the colour of a section within a colour bar without impacting the overall gradient on the points outside the changed section. The closest I have been to achieving this has been throug…

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## [ParaView Server Manager framework](https://discourse.paraview.org/t/paraview-server-manager-framework/3576)

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**Author:** [@Yoshino](https://discourse.paraview.org/u/Yoshino)\
**Replies:** 7\
**Last updated:** [February 17, 2020, 4:02am UTC](https://discourse.paraview.org/t/paraview-server-manager-framework/3576 "2020-02-17T04:02:18Z")

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Recently I have been investigating ParaView’s infrastructure via its source code, and becoming familiar with the way ParaView builds its menu as well as other GUI components. For customization, I learnt how to add toolb…

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## [Win 7 Installation problem](https://discourse.paraview.org/t/win-7-installation-problem/9313)

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**Author:** [@Roguish](https://discourse.paraview.org/u/Roguish)\
**Replies:** 8\
**Last updated:** [May 9, 2022, 5:32pm UTC](https://discourse.paraview.org/t/win-7-installation-problem/9313 "2022-05-09T17:32:49Z")

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Hello all. I’m trying to run Paraview 10.1 Downloaded and installed. No problems seen there. Clicked to run and blammo… ‘The program can’t start because api-ms-win-core-path-l1-1-0.dll is missing from your computer…

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## [Cannot open BP4 file](https://discourse.paraview.org/t/cannot-open-bp4-file/13033)

<div class="topic-metadata">

**Author:** [@RemDelaporteMathurin](https://discourse.paraview.org/u/RemDelaporteMathurin)\
**Replies:** 7\
**Last updated:** [October 13, 2023, 12:04am UTC](https://discourse.paraview.org/t/cannot-open-bp4-file/13033 "2023-10-13T00:04:50Z")

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Hi all! I have a file that produced with dolfinx. The format is BP4, and I’m supposed to open it with the ADIOS2VTXReader. However, when opening it with Paraview, I don’t see this reader in the available readers (see …

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## [SLAM-based mapping without GPS/IMU](https://discourse.paraview.org/t/slam-based-mapping-without-gps-imu/3488)

<div class="topic-metadata">

**Author:** [@henrydice](https://discourse.paraview.org/u/henrydice)\
**Replies:** 4\
**Last updated:** [April 27, 2021, 9:26am UTC](https://discourse.paraview.org/t/slam-based-mapping-without-gps-imu/3488 "2021-04-27T09:26:19Z")

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Hello, I recorded .pcap files with a VLP-16 lidar and I would like to perform SLAM-based mapping without GPS/IMU, does anyone know how to do that ? Thanks in advance, H

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## [Setting Backplate while using OSPRay](https://discourse.paraview.org/t/setting-backplate-while-using-ospray/2078)

<div class="topic-metadata">

**Author:** [@mconti](https://discourse.paraview.org/u/mconti)\
**Replies:** 4\
**Last updated:** [June 21, 2019, 1:58pm UTC](https://discourse.paraview.org/t/setting-backplate-while-using-ospray/2078 "2019-06-21T13:58:33Z")

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Hey all, I am doing some work using the OSPRay rending tool in PV 5.6, and am having a small issue I was hoping you could help with. When using the pathtracer engine, the image you put as a background is set as an HDRI …

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## [Cannot apply any filter](https://discourse.paraview.org/t/cannot-apply-any-filter/7874)

<div class="topic-metadata">

**Author:** [@1113](https://discourse.paraview.org/u/1113)\
**Replies:** 2\
**Last updated:** [August 27, 2021, 6:56pm UTC](https://discourse.paraview.org/t/cannot-apply-any-filter/7874 "2021-08-27T18:56:08Z")

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Hi, I imported segmentation file from itk-SNAP in vtk format in Paraview(ver 5.9.1). Every filter looks in gray and is not applicable to my model Also when I put the cursor on contour filter icon, ‘Requires an inpu…

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## [Why does it take so long to Export a spreadsheet to a csv file?](https://discourse.paraview.org/t/why-does-it-take-so-long-to-export-a-spreadsheet-to-a-csv-file/3522)

<div class="topic-metadata">

**Author:** [@DaleKramer](https://discourse.paraview.org/u/DaleKramer)\
**Replies:** 5\
**Last updated:** [February 8, 2020, 11:36am UTC](https://discourse.paraview.org/t/why-does-it-take-so-long-to-export-a-spreadsheet-to-a-csv-file/3522 "2020-02-08T11:36:38Z")

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I have a 6 million row spreadsheet that can be ‘sorted’ in the ParaView environment almost instantly. But when I export just a single column of that data to a ~40mb csv file, it takes about 4 hours. Is this normal?

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## [plotting TIE-GCM netcdf output](https://discourse.paraview.org/t/plotting-tie-gcm-netcdf-output/3946)

<div class="topic-metadata">

**Author:** [@rainbowsend](https://discourse.paraview.org/u/rainbowsend)\
**Replies:** 4\
**Last updated:** [April 6, 2020, 10:09am UTC](https://discourse.paraview.org/t/plotting-tie-gcm-netcdf-output/3946 "2020-04-06T10:09:26Z")

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Hi all, I am new to Para View, and this forum. I have already done the first quarter of the tutorial and tried to find some answers in the Internet but I was not very successful. I am using Para View 5.8.0 on Manjaro Ky…

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## [CGNS: Problem properly displaying a file with adaptive mesh solution](https://discourse.paraview.org/t/cgns-problem-properly-displaying-a-file-with-adaptive-mesh-solution/11427)

<div class="topic-metadata">

**Author:** [@SadBoySquad](https://discourse.paraview.org/u/SadBoySquad)\
**Replies:** 6\
**Last updated:** [August 6, 2023, 2:36pm UTC](https://discourse.paraview.org/t/cgns-problem-properly-displaying-a-file-with-adaptive-mesh-solution/11427 "2023-08-06T14:36:16Z")

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Hello! I recently wanted to add some extra functionality in a couple of solvers I am working on. For all visualization purposes, I am using CGNS files. I managed to solve all problems thus far; with ParaView + CGNS I …

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## [Exporting from ParaView to Abaqus or Ansys](https://discourse.paraview.org/t/exporting-from-paraview-to-abaqus-or-ansys/2658)

<div class="topic-metadata">

**Author:** [@Amin](https://discourse.paraview.org/u/Amin)\
**Replies:** 3\
**Last updated:** [October 2, 2019, 3:27am UTC](https://discourse.paraview.org/t/exporting-from-paraview-to-abaqus-or-ansys/2658 "2019-10-02T03:27:21Z")

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Hi, I have an Unstructured Grid \*.vtk file that contains points and cells data and attributes. With hexaheral dominant mesh. I’m trying to perform some initial mechanical analysis in either ABAQUS or Ansys. I tried usin…

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## [ParaView build is failed while turning on the BUILD\_EXAMPLES](https://discourse.paraview.org/t/paraview-build-is-failed-while-turning-on-the-build-examples/76)

<div class="topic-metadata">

**Author:** [@hsalimi](https://discourse.paraview.org/u/hsalimi)\
**Replies:** 3\
**Last updated:** [June 12, 2018, 10:51am UTC](https://discourse.paraview.org/t/paraview-build-is-failed-while-turning-on-the-build-examples/76 "2018-06-12T10:51:53Z")

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Hi All, I am building ParaView 5.5 on CentOS 7 using Python 2.7.5 and Qt 5.9.5. While the BUILD\_EXAMPLES option is off, everything is going well, but after turning on this option, I am facing some issues regarding “Qt5:…

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## [Custom dock widget that should NOT appear initially](https://discourse.paraview.org/t/custom-dock-widget-that-should-not-appear-initially/5142)

<div class="topic-metadata">

**Author:** [@cobo](https://discourse.paraview.org/u/cobo)\
**Replies:** 5\
**Last updated:** [August 28, 2020, 2:13pm UTC](https://discourse.paraview.org/t/custom-dock-widget-that-should-not-appear-initially/5142 "2020-08-28T14:13:35Z")

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I have written a plugin for a custom dock widget in my PV custom application - everything works fine “as advertised”. Only with one thing I am struggling since a couple of hours: I want that the dock panel does NOT appe…

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## [getting at geometry point data within a python macro](https://discourse.paraview.org/t/getting-at-geometry-point-data-within-a-python-macro/2774)

<div class="topic-metadata">

**Author:** [@garcfd](https://discourse.paraview.org/u/garcfd)\
**Replies:** 6\
**Last updated:** [October 21, 2019, 3:50am UTC](https://discourse.paraview.org/t/getting-at-geometry-point-data-within-a-python-macro/2774 "2019-10-21T03:50:36Z")

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How do you read or modify geometry point data within a python macro? I’m reading in an STL file with STLReader (that works ok) Then I’m using pd = reader.GetPointDataInformation() but its not working, and there are no…

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## [Connectivity filter for parallel files (PVTU)](https://discourse.paraview.org/t/connectivity-filter-for-parallel-files-pvtu/5595)

<div class="topic-metadata">

**Author:** [@JayghoshRao](https://discourse.paraview.org/u/JayghoshRao)\
**Replies:** 4\
**Last updated:** [January 28, 2021, 6:09am UTC](https://discourse.paraview.org/t/connectivity-filter-for-parallel-files-pvtu/5595 "2021-01-28T06:09:04Z")

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Hi, My dataset consists of multiple spheres within a large cylinder. I need to integrate scalars within the individual spheres and extract results. I can do this in serial using the following workflow: Open Connectivi…

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## [Announcing the release of ParaView Glance](https://discourse.paraview.org/t/announcing-the-release-of-paraview-glance/344)

<div class="topic-metadata">

**Author:** [@olearypatrick](https://discourse.paraview.org/u/olearypatrick)\
**Replies:** 4\
**Last updated:** [April 30, 2020, 4:34pm UTC](https://discourse.paraview.org/t/announcing-the-release-of-paraview-glance/344 "2020-04-30T16:34:45Z")

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Announcing the release of ParaView Glance. ParaView Glance brings together the latest web technologies for interactive scientific data visualization in your browser. It can be launched from web pages or from your deskto…

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## [Building ParaView 5.11-RC1 with ParaView-Catalyst enabled](https://discourse.paraview.org/t/building-paraview-5-11-rc1-with-paraview-catalyst-enabled/10222)

<div class="topic-metadata">

**Author:** [@Alexandre\_Minot](https://discourse.paraview.org/u/Alexandre_Minot)\
**Replies:** 7\
**Last updated:** [September 2, 2022, 2:55pm UTC](https://discourse.paraview.org/t/building-paraview-5-11-rc1-with-paraview-catalyst-enabled/10222 "2022-09-02T14:55:03Z")

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Hello, I’m having trouble building ParaView 5.11-RC1 with ParaView-Catalyst enabled. I am getting: CMake Warning at VTK/CMake/vtkModule.cmake:4573 (find\_package): By not providing "Findcatalyst.cmake" in CMAKE\_MODULE…

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## [Proposal: Catalyst V2 Bidirectional API](https://discourse.paraview.org/t/proposal-catalyst-v2-bidirectional-api/7258)

<div class="topic-metadata">

**Author:** [@Francois\_Mazen](https://discourse.paraview.org/u/Francois_Mazen)\
**Replies:** 8\
**Last updated:** [May 25, 2021, 11:19am UTC](https://discourse.paraview.org/t/proposal-catalyst-v2-bidirectional-api/7258 "2021-05-25T11:19:51Z")

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The purpose of this post is to propose an API in order to drive a background simulation from ParaView graphical interface (GUI). The user wants to access random simulation parameters, then tweak the parameters and send …

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## [Adding a custom 3D Widget to a ParaView plugin](https://discourse.paraview.org/t/adding-a-custom-3d-widget-to-a-paraview-plugin/4647)

<div class="topic-metadata">

**Author:** [@coreylee](https://discourse.paraview.org/u/coreylee)\
**Replies:** 3\
**Last updated:** [October 19, 2020, 9:50pm UTC](https://discourse.paraview.org/t/adding-a-custom-3d-widget-to-a-paraview-plugin/4647 "2020-10-19T21:50:08Z")

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Hello, I am working on a project where I need an interactive widget in a custom plugin within ParaView. My plugin is C++ based (built with CMake) and will be loaded into ParaView (built from source). The end goal here i…

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## [PlotOverLine for specific time step](https://discourse.paraview.org/t/plotoverline-for-specific-time-step/4675)

<div class="topic-metadata">

**Author:** [@jrobbin](https://discourse.paraview.org/u/jrobbin)\
**Replies:** 4\
**Last updated:** [June 29, 2020, 4:12am UTC](https://discourse.paraview.org/t/plotoverline-for-specific-time-step/4675 "2020-06-29T04:12:41Z")

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Hello, I’m trying to extract x-y data from a PlotOverLine in a Python script (below). I’m able to plot data from the zeroth step index, but I cannot figure out how to change the time step. The following still writes x…

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## [New SyntaxWarnings appear with Python 3.8](https://discourse.paraview.org/t/new-syntaxwarnings-appear-with-python-3-8/4877)

<div class="topic-metadata">

**Author:** [@olearypatrick](https://discourse.paraview.org/u/olearypatrick)\
**Replies:** 2\
**Last updated:** [July 17, 2020, 5:55pm UTC](https://discourse.paraview.org/t/new-syntaxwarnings-appear-with-python-3-8/4877 "2020-07-17T17:55:49Z")

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New SyntaxWarning for ‘is’ with literals starting with Python 3.8 It currently works by accident in coprocessing by produces a number of these warnings: /home/olearypatrick/code/ParaView/lib/python3.7/site-packages/pa…

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## [Visualizing paraview results on a Web](https://discourse.paraview.org/t/visualizing-paraview-results-on-a-web/7410)

<div class="topic-metadata">

**Author:** [@Miguel\_Angel\_Salazar](https://discourse.paraview.org/u/Miguel_Angel_Salazar)\
**Replies:** 3\
**Last updated:** [June 15, 2021, 6:11pm UTC](https://discourse.paraview.org/t/visualizing-paraview-results-on-a-web/7410 "2021-06-15T18:11:37Z")

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I have a little web app that allows me to visualize my results in two dimensions in paraview. Before launching the web app, I post process my results using a python script calling the paraview library. At the end of that…

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## [box slice](https://discourse.paraview.org/t/box-slice/7170)

<div class="topic-metadata">

**Author:** [@aquanaut](https://discourse.paraview.org/u/aquanaut)\
**Replies:** 7\
**Last updated:** [May 7, 2021, 2:50pm UTC](https://discourse.paraview.org/t/box-slice/7170 "2021-05-07T14:50:31Z")

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I need a box slice but the box is not a rectangle like the white frame. What’s wrong?

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## [How to make a color blend effect for image data](https://discourse.paraview.org/t/how-to-make-a-color-blend-effect-for-image-data/4919)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 7\
**Last updated:** [July 28, 2020, 3:12am UTC](https://discourse.paraview.org/t/how-to-make-a-color-blend-effect-for-image-data/4919 "2020-07-28T03:12:16Z")

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Dear Experts, I want to show two image data with different colors, like one is red and the other is green, then i want to see a final yellow color, if the two image data is show together. But result is just green one c…

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## [integration time in streamline datasheet](https://discourse.paraview.org/t/integration-time-in-streamline-datasheet/6757)

<div class="topic-metadata">

**Author:** [@mohammad\_faghih](https://discourse.paraview.org/u/mohammad_faghih)\
**Replies:** 3\
**Last updated:** [March 22, 2021, 8:09pm UTC](https://discourse.paraview.org/t/integration-time-in-streamline-datasheet/6757 "2021-03-22T20:09:34Z")

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When we generate some streamlines in paraview and export the spreadsheet out, one column is the Integration Time. I want to know how I can control this? I may need to increase or decrease resolution of the streamlines a…

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## [Slice + Crinkle looking different between 5.6.2 and 5.8.0](https://discourse.paraview.org/t/slice-crinkle-looking-different-between-5-6-2-and-5-8-0/4965)

<div class="topic-metadata">

**Author:** [@wandadars](https://discourse.paraview.org/u/wandadars)\
**Replies:** 2\
**Last updated:** [July 27, 2020, 5:36pm UTC](https://discourse.paraview.org/t/slice-crinkle-looking-different-between-5-6-2-and-5-8-0/4965 "2020-07-27T17:36:00Z")

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I’m having an issue visualizing the cells in my grid using the slice+crinkle cut method that I had been using since I started using Paraview now that I’ve upgraded to 5.8.0(I also tried this on 5.7.0 and it does the same…

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## [Convert UnstructuredGrid (\*.vtu) to ImageData (\*.vti)](https://discourse.paraview.org/t/convert-unstructuredgrid-vtu-to-imagedata-vti/7944)

<div class="topic-metadata">

**Author:** [@adamgranthendry](https://discourse.paraview.org/u/adamgranthendry)\
**Replies:** 6\
**Last updated:** [September 7, 2021, 8:26pm UTC](https://discourse.paraview.org/t/convert-unstructuredgrid-vtu-to-imagedata-vti/7944 "2021-09-07T20:26:33Z")

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How does one convert an UnstructuredGrid (\*.vtu) file to ImageData (\*.vti)? Is there a resampling filter I can use?

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## [Paraview crashes when trying to open an OpenFOAM mesh file](https://discourse.paraview.org/t/paraview-crashes-when-trying-to-open-an-openfoam-mesh-file/10773)

<div class="topic-metadata">

**Author:** [@finzeo](https://discourse.paraview.org/u/finzeo)\
**Replies:** 7\
**Last updated:** [December 8, 2022, 11:41am UTC](https://discourse.paraview.org/t/paraview-crashes-when-trying-to-open-an-openfoam-mesh-file/10773 "2022-12-08T11:41:34Z")

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Hi all, I am using OpenFOAM only to create a mesh (using blockmesh and snappyhexmesh), to simulate the flow around a vehicle in other software (code\_saturne) using FVM. It is a mesh of around 40 million cells. I would l…

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## [QPainter::begin: Paint device returned engine == 0, type:2](https://discourse.paraview.org/t/qpainter-paint-device-returned-engine-0-type-2/1239)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 1\
**Last updated:** [February 6, 2019, 9:05am UTC](https://discourse.paraview.org/t/qpainter-paint-device-returned-engine-0-type-2/1239 "2019-02-06T09:05:51Z")

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I have a user that is receiving the following error. This is in Linux, 5.6.0. QPainter::begin: Paint device returned engine == 0, type:2 It doesn’t appear to be hurting ParaView, but is annoying. Any ideas? Thanks, …

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## [How to change AxisOfSymmetry in paraview](https://discourse.paraview.org/t/how-to-change-axisofsymmetry-in-paraview/3158)

<div class="topic-metadata">

**Author:** [@Superbee](https://discourse.paraview.org/u/Superbee)\
**Replies:** 8\
**Last updated:** [December 11, 2019, 6:07pm UTC](https://discourse.paraview.org/t/how-to-change-axisofsymmetry-in-paraview/3158 "2019-12-11T18:07:13Z")

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Hi Paraview community, In the file, I want to change the AxisOfSymmetry from 1 to 2, can anyone suggest an easy way to change it in Paraview? Thanks! !! vtkSuperquadricSource::vtkSuperquadricSource(int res) { res = …

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## [Issue detecting build configuration with legacy Catalyst with CMake versions 3.23 and above.](https://discourse.paraview.org/t/issue-detecting-build-configuration-with-legacy-catalyst-with-cmake-versions-3-23-and-above/11059)

<div class="topic-metadata">

**Author:** [@YvanFournier](https://discourse.paraview.org/u/YvanFournier)\
**Replies:** 6\
**Last updated:** [February 7, 2023, 5:03pm UTC](https://discourse.paraview.org/t/issue-detecting-build-configuration-with-legacy-catalyst-with-cmake-versions-3-23-and-above/11059 "2023-02-07T17:03:49Z")

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Hello, For legacy Catalyst support in EDF’s code\_saturne tool, we generate a test project, using: cmake -DCMAKE\_MODULE\_PATH=\<paraview\_prefix\_path\> \<mini\_project\_dir\> Where the mini\_project\_dir contains a CMakeLists.tx…

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## [Time marker options in plotDataOverTimeFilter](https://discourse.paraview.org/t/time-marker-options-in-plotdataovertimefilter/6625)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 6\
**Last updated:** [March 9, 2021, 9:09am UTC](https://discourse.paraview.org/t/time-marker-options-in-plotdataovertimefilter/6625 "2021-03-09T09:09:54Z")

</div>

Hi all, I ran into a quite strange problem in paraview, I am using the plotDataOverTime filter after a temporaryShiftedData filter and the time marker is not displayed during the animation: Only if I zoom out I can s…

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