# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=85

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

**Page:** 86

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## [Big model rendering](https://discourse.paraview.org/t/big-model-rendering/11353)

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**Author:** [@Petr\_Melnikov](https://discourse.paraview.org/u/Petr_Melnikov)\
**Replies:** 5\
**Last updated:** [February 13, 2023, 10:09am UTC](https://discourse.paraview.org/t/big-model-rendering/11353 "2023-02-13T10:09:29Z")

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Hi everyone When opening a large vtu file in ParaView (4gb, number of cells: 166 506 138, number of points: 394 681 216), only part of the model is displayed. But during rotation (interactive mode) the model is disp…

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## [How to calculate Finite Strain Tensor using Python Calculator?](https://discourse.paraview.org/t/how-to-calculate-finite-strain-tensor-using-python-calculator/11383)

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**Author:** [@Gening\_Dong](https://discourse.paraview.org/u/Gening_Dong)\
**Replies:** 0\
**Last updated:** [February 12, 2023, 11:34pm UTC](https://discourse.paraview.org/t/how-to-calculate-finite-strain-tensor-using-python-calculator/11383 "2023-02-12T23:34:14Z")

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Hi, I’d like to calculate the large deformation strain tensor in a 3D deforming model. The formula is as follows: where x’ is the reference/initial coordinate, and the deformed coordinate x = x’ + u. I tried with Co…

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## [Operations duplicated when running python script](https://discourse.paraview.org/t/operations-duplicated-when-running-python-script/11361)

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**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 2\
**Last updated:** [February 9, 2023, 12:38pm UTC](https://discourse.paraview.org/t/operations-duplicated-when-running-python-script/11361 "2023-02-09T12:38:53Z")

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Hi, I’ve written a python script to do basic post-processing (i.e. extracting a surface) via the tracing method. When I run it I have no problems and the surface gets extracted correctly (i.e. clip2 in this case) but wh…

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## [ParaView 5.11.0 fails to load in cluster](https://discourse.paraview.org/t/paraview-5-11-0-fails-to-load-in-cluster/11370)

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**Author:** [@Rigel](https://discourse.paraview.org/u/Rigel)\
**Replies:** 1\
**Last updated:** [February 10, 2023, 2:59pm UTC](https://discourse.paraview.org/t/paraview-5-11-0-fails-to-load-in-cluster/11370 "2023-02-10T14:59:27Z")

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Hi, ParaView 5.11.0 fails to load in my cluster with the following error message: \[alvesrig@irene7103 fine-hex\]$ export PATH=$SCRATCH/ParaView-5.11.0-MPI-Linux-Python3.9-x86\_64/bin:$PATH \[alvesrig@irene7103 fine-hex\]$…

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## [Opacity issue paraview 5.11](https://discourse.paraview.org/t/opacity-issue-paraview-5-11/11278)

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**Author:** [@Ali\_Rahnama](https://discourse.paraview.org/u/Ali_Rahnama)\
**Replies:** 4\
**Last updated:** [February 10, 2023, 1:32pm UTC](https://discourse.paraview.org/t/opacity-issue-paraview-5-11/11278 "2023-02-10T13:32:53Z")

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Showing contours with opacity less than one makes buggy on paraview 5.11 when it’s running through python. One of my friends has experience same issue on paraview software itself.

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## [Issue of imaginary bounding box near coordinates for model.](https://discourse.paraview.org/t/issue-of-imaginary-bounding-box-near-coordinates-for-model/11368)

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**Author:** [@CFD1023](https://discourse.paraview.org/u/CFD1023)\
**Replies:** 0\
**Last updated:** [February 10, 2023, 10:59am UTC](https://discourse.paraview.org/t/issue-of-imaginary-bounding-box-near-coordinates-for-model/11368 "2023-02-10T10:59:23Z")

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When I try to upload the controlDict folder into Paraview, it is inconsistent in terms of display. At times, like the picture shown below, I can only view the image of the model at that particular size and if I try to dr…

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## [Surface Flow filter gives a wrong value](https://discourse.paraview.org/t/surface-flow-filter-gives-a-wrong-value/2571)

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**Author:** [@thomasjeanne](https://discourse.paraview.org/u/thomasjeanne)\
**Replies:** 11\
**Last updated:** [February 8, 2023, 3:12pm UTC](https://discourse.paraview.org/t/surface-flow-filter-gives-a-wrong-value/2571 "2023-02-08T15:12:31Z")

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Hello everyone, I looked around the forum and found no other report of this so I create a new topic. I am currently analyzing a biphasic case (air-water) of a buried river flowing under a city. The calculation was done …

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## [using Python shell inside ParaView](https://discourse.paraview.org/t/using-python-shell-inside-paraview/11358)

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**Author:** [@Rigel](https://discourse.paraview.org/u/Rigel)\
**Replies:** 2\
**Last updated:** [February 8, 2023, 3:19pm UTC](https://discourse.paraview.org/t/using-python-shell-inside-paraview/11358 "2023-02-08T15:19:24Z")

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Hi, I am trying to run scripts from ParaView’s built-in Python shell, but I started getting a weird error which was not happening before: \>\>\> Python 3.9.5 (default, Mar 14 2022, 17:13:12) \[GCC 7.3.1 20180303 (Red Hat…

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## [How to visualize spheroids of different sizes according to the particle size properties of points](https://discourse.paraview.org/t/how-to-visualize-spheroids-of-different-sizes-according-to-the-particle-size-properties-of-points/11339)

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**Author:** [@yuantangjin](https://discourse.paraview.org/u/yuantangjin)\
**Replies:** 4\
**Last updated:** [February 8, 2023, 2:46am UTC](https://discourse.paraview.org/t/how-to-visualize-spheroids-of-different-sizes-according-to-the-particle-size-properties-of-points/11339 "2023-02-08T02:46:53Z")

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Experts, I would like to ask you a question about the use of paraview: I have a bunch of particles, and each of them has its own set of property values. The only thing these particles have in common is that each particl…

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## [Parallel Processing in Programmable Filter](https://discourse.paraview.org/t/parallel-processing-in-programmable-filter/11342)

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**Author:** [@Matthew](https://discourse.paraview.org/u/Matthew)\
**Replies:** 4\
**Last updated:** [February 7, 2023, 7:25pm UTC](https://discourse.paraview.org/t/parallel-processing-in-programmable-filter/11342 "2023-02-07T19:25:47Z")

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Hello, I am looking to use parallel processing (specifically, Python’s multiprocessing package) to improve computation times of a programmable filter that I have produced. I am wondering if it is at all possible for me…

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## [Spanwise Averaging In Paraview](https://discourse.paraview.org/t/spanwise-averaging-in-paraview/11352)

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**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 0\
**Last updated:** [February 7, 2023, 7:00pm UTC](https://discourse.paraview.org/t/spanwise-averaging-in-paraview/11352 "2023-02-07T19:00:15Z")

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Hi, I have to compute the spanwise average (z direction) of my pressure field over my airfoil wall. How I can accomplish this in paraview? This is my “wall” zone Sincerely

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## [Boundary edges not recognized](https://discourse.paraview.org/t/boundary-edges-not-recognized/11349)

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**Author:** [@Frankx9](https://discourse.paraview.org/u/Frankx9)\
**Replies:** 7\
**Last updated:** [February 7, 2023, 4:02pm UTC](https://discourse.paraview.org/t/boundary-edges-not-recognized/11349 "2023-02-07T16:02:26Z")

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Hi, I’m trying to extract the airfoil surface from my unstructured data set to plot Cp over airfoil surface. I was following the procedure given in: but when I select boundary edges and then I try to extract cells by…

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## [Writing and Reading Binary vtk file](https://discourse.paraview.org/t/writing-and-reading-binary-vtk-file/3981)

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**Author:** [@jaekwangjk12](https://discourse.paraview.org/u/jaekwangjk12)\
**Replies:** 3\
**Last updated:** [February 7, 2023, 1:10pm UTC](https://discourse.paraview.org/t/writing-and-reading-binary-vtk-file/3981 "2023-02-07T13:10:47Z")

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Hi, all, I have difficulties in writing binary vtk file that can be opened paraview. I attach two files one is written in ASCII and paraview renders this ASCII file very well However, as I try to open the Binary file, …

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## [Put x and y axes to be centered at origin](https://discourse.paraview.org/t/put-x-and-y-axes-to-be-centered-at-origin/11346)

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**Author:** [@TheoLin](https://discourse.paraview.org/u/TheoLin)\
**Replies:** 0\
**Last updated:** [February 7, 2023, 1:26am UTC](https://discourse.paraview.org/t/put-x-and-y-axes-to-be-centered-at-origin/11346 "2023-02-07T01:26:04Z")

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Hi everyone, I have a 2D figure and I want to put the x and y axes to be centered at the origin (or X=0, Y=0), like a normal “cross” coordinate system as shown here: Currently, the default axes is a box around my fi…

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## [Noisy video generated with a python script](https://discourse.paraview.org/t/noisy-video-generated-with-a-python-script/11340)

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**Author:** [@30Kaz](https://discourse.paraview.org/u/30Kaz)\
**Replies:** 0\
**Last updated:** [February 6, 2023, 3:04pm UTC](https://discourse.paraview.org/t/noisy-video-generated-with-a-python-script/11340 "2023-02-06T15:04:33Z")

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I am trying to make a video with a script(2023\_02\_01\_12\_28\_44/ParaViewScript.py in the folder linked below). The video looks alright at the beginning, but from some point, it gets too noisy, as in the photo(full video i…

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## [Opacity not working in paraview 5.9 and 5.11 version on the server](https://discourse.paraview.org/t/opacity-not-working-in-paraview-5-9-and-5-11-version-on-the-server/11335)

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**Author:** [@Abhijeet\_Chodankar](https://discourse.paraview.org/u/Abhijeet_Chodankar)\
**Replies:** 1\
**Last updated:** [February 6, 2023, 11:55am UTC](https://discourse.paraview.org/t/opacity-not-working-in-paraview-5-9-and-5-11-version-on-the-server/11335 "2023-02-06T11:55:16Z")

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The opacity part won’t work properly on the server version of paraview. When I reduce the opacity, the entire geometry vanishes. I would appreciate any feedback to resolve this issue. I am running paraview on the server …

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## [Build Paraview-5.11.0 with Legacy Catalyst (v1)](https://discourse.paraview.org/t/build-paraview-5-11-0-with-legacy-catalyst-v1/11315)

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**Author:** [@m.novak](https://discourse.paraview.org/u/m.novak)\
**Replies:** 10\
**Last updated:** [February 6, 2023, 11:51am UTC](https://discourse.paraview.org/t/build-paraview-5-11-0-with-legacy-catalyst-v1/11315 "2023-02-06T11:51:34Z")

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Dear support. I am trying to build paraview-5.11.0 with the latest spack release. Is it possible to configure it in a way in which Legacy catalyst will get built? I checked release notes and in 5.9.0 it is stated lega…

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## [Paraview and Paraview openfoam issue](https://discourse.paraview.org/t/paraview-and-paraview-openfoam-issue/11231)

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**Author:** [@babias](https://discourse.paraview.org/u/babias)\
**Replies:** 3\
**Last updated:** [February 6, 2023, 10:25am UTC](https://discourse.paraview.org/t/paraview-and-paraview-openfoam-issue/11231 "2023-02-06T10:25:22Z")

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Hello ParaView users, I have a (hopefully) simple question regarding the installation of ParaView. Some days ago I installed paraview 5.11 and I used it without any problem. Today I installed OpenFOAM that has also adde…

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## [pvpython Line Plot Labels](https://discourse.paraview.org/t/pvpython-line-plot-labels/11328)

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**Author:** [@Neurospasm](https://discourse.paraview.org/u/Neurospasm)\
**Replies:** 0\
**Last updated:** [February 3, 2023, 6:18pm UTC](https://discourse.paraview.org/t/pvpython-line-plot-labels/11328 "2023-02-03T18:18:16Z")

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Hello, I’m using Paraview (5.9.1) and using traces to automate some functionality in the creation of line plots in pvpython. I’ve noticed that axis titles and tick labels that look good in Paraview clash with one anothe…

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## [Maximum file size to upload to this discourse](https://discourse.paraview.org/t/maximum-file-size-to-upload-to-this-discourse/11327)

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**Author:** [@30Kaz](https://discourse.paraview.org/u/30Kaz)\
**Replies:** 2\
**Last updated:** [February 3, 2023, 4:58pm UTC](https://discourse.paraview.org/t/maximum-file-size-to-upload-to-this-discourse/11327 "2023-02-03T16:58:05Z")

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What is the maximum file size to upload to this discourse? Since I wanted to provide the files relevant to my question, I tried to upload a zip file of 3.2GB, but failed (twice) towards the end of the uploading process. …

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## [Is there a way to randomize the location of points within a PointSource over time for ParticleTracer](https://discourse.paraview.org/t/is-there-a-way-to-randomize-the-location-of-points-within-a-pointsource-over-time-for-particletracer/11326)

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**Author:** [@moonlightcockroch](https://discourse.paraview.org/u/moonlightcockroch)\
**Replies:** 0\
**Last updated:** [February 3, 2023, 3:23pm UTC](https://discourse.paraview.org/t/is-there-a-way-to-randomize-the-location-of-points-within-a-pointsource-over-time-for-particletracer/11326 "2023-02-03T15:23:09Z")

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Hi, I am trying to visualize a time-dependent flow with the ParticleTracer filter and am using a PointSource as my source while injecting particles at every time-step to get a pathline/streakline effect. I am having dec…

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## [CFD quality of mesh at boundaries](https://discourse.paraview.org/t/cfd-quality-of-mesh-at-boundaries/11243)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 7\
**Last updated:** [February 3, 2023, 3:14pm UTC](https://discourse.paraview.org/t/cfd-quality-of-mesh-at-boundaries/11243 "2023-02-03T15:14:28Z")

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My user is trying to find three values that represent quality of mesh values for CFD datasets at boundaries. This needs to be done for unstructured and structured grids. These values are: For all surface cells of a m…

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## [Build paraview 5.11 with VISIT Bridge on ubuntu](https://discourse.paraview.org/t/build-paraview-5-11-with-visit-bridge-on-ubuntu/11325)

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**Author:** [@sherrifbro](https://discourse.paraview.org/u/sherrifbro)\
**Replies:** 6\
**Last updated:** [February 3, 2023, 9:42am UTC](https://discourse.paraview.org/t/build-paraview-5-11-with-visit-bridge-on-ubuntu/11325 "2023-02-03T09:42:56Z")

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I use paraview5.11 on windows and it works flawlessly with my tecplot files as it comes all setup with the VisIT readers. I want to achieve the same on an ubuntu machine. However, the default ubuntu comes with only parav…

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## [ParaView display to google earth](https://discourse.paraview.org/t/paraview-display-to-google-earth/11318)

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**Author:** [@Crown](https://discourse.paraview.org/u/Crown)\
**Replies:** 1\
**Last updated:** [February 2, 2023, 9:30pm UTC](https://discourse.paraview.org/t/paraview-display-to-google-earth/11318 "2023-02-02T21:30:18Z")

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Dear All, I want to export a plot from ParaView to be able to import to Google Earth Pro. How can I do that? Thank you all

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## [NETCDF Annotate Time Issue](https://discourse.paraview.org/t/netcdf-annotate-time-issue/11152)

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**Author:** [@GPoveda](https://discourse.paraview.org/u/GPoveda)\
**Replies:** 9\
**Last updated:** [February 2, 2023, 9:17pm UTC](https://discourse.paraview.org/t/netcdf-annotate-time-issue/11152 "2023-02-02T21:17:41Z")

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Hi, I am working with a 4D (x,y,z,t) Netcdf file (winds from a reanalysis). I like to make an animation of the 3D wind field in time. Paraview reads the time as hours since 1900. I like to annotate time in the animation…

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## [how to quote the use of Paraview](https://discourse.paraview.org/t/how-to-quote-the-use-of-paraview/3449)

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**Author:** [@nayla\_salvador](https://discourse.paraview.org/u/nayla_salvador)\
**Replies:** 6\
**Last updated:** [February 2, 2023, 6:12pm UTC](https://discourse.paraview.org/t/how-to-quote-the-use-of-paraview/3449 "2023-02-02T18:12:36Z")

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Hello, I am finishing a master’s work and I would like to know how to quote the use of Paraview software in the generation of figures, since it is free software. What should I quote from the software?

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## [How to obtain the current time index in Programmable Source](https://discourse.paraview.org/t/how-to-obtain-the-current-time-index-in-programmable-source/11268)

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**Author:** [@robertsawko](https://discourse.paraview.org/u/robertsawko)\
**Replies:** 1\
**Last updated:** [February 2, 2023, 5:11pm UTC](https://discourse.paraview.org/t/how-to-obtain-the-current-time-index-in-programmable-source/11268 "2023-02-02T17:11:57Z")

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Hello, I am prototyping a reader for a code which generates one file per time step. Using advice from here, I was able to correctly read the number of time steps to my Programmable Source and I know I can read the curre…

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## [Paraview on hidpi monitor (again)](https://discourse.paraview.org/t/paraview-on-hidpi-monitor-again/11301)

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**Author:** [@hakostra](https://discourse.paraview.org/u/hakostra)\
**Replies:** 1\
**Last updated:** [February 2, 2023, 8:41am UTC](https://discourse.paraview.org/t/paraview-on-hidpi-monitor-again/11301 "2023-02-02T08:41:23Z")

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I just set up a new workstation with Linux Mint 21.1, this is a Ubuntu 22.04 based distro. I compile Paraview from scratch with the 5.11 tarball. I have a big monitor with 5120x2160 resolution and have the monitor scale …

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## [Using tetrahedra ids to plot triangulated data (xdmf)](https://discourse.paraview.org/t/using-tetrahedra-ids-to-plot-triangulated-data-xdmf/11310)

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**Author:** [@nikolasborrel](https://discourse.paraview.org/u/nikolasborrel)\
**Replies:** 1\
**Last updated:** [February 2, 2023, 6:41am UTC](https://discourse.paraview.org/t/using-tetrahedra-ids-to-plot-triangulated-data-xdmf/11310 "2023-02-02T06:41:03Z")

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Hi, I’m visualizing 3D field data over time using the xdmf format. Instead of applying Delaunay triangulation, I would like to exploit that I know the indexes for the tetrahedrals in the xdmf file (see below), but how d…

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## [Delaunay triangulation in concave domains](https://discourse.paraview.org/t/delaunay-triangulation-in-concave-domains/11320)

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**Author:** [@nikolasborrel](https://discourse.paraview.org/u/nikolasborrel)\
**Replies:** 0\
**Last updated:** [February 2, 2023, 6:36am UTC](https://discourse.paraview.org/t/delaunay-triangulation-in-concave-domains/11320 "2023-02-02T06:36:40Z")

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Hi, I have the following L-shaped domain and when I apply the Delaunay triangulation, facets are connected across the inner corne due to point distances smaller than the alpha threshold. Changing the threshold t…

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