# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=52

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**Page:** 53

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## [Compile ParaView with NVIDIA OptiX](https://discourse.paraview.org/t/compile-paraview-with-nvidia-optix/12795)

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**Author:** [@JanGart](https://discourse.paraview.org/u/JanGart)\
**Replies:** 6\
**Last updated:** [February 19, 2024, 1:56pm UTC](https://discourse.paraview.org/t/compile-paraview-with-nvidia-optix/12795 "2024-02-19T13:56:07Z")

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Dear all, I want to compile ParaView with OptiX backend for ray tracing. I have been so far successful in installing it with the CPU based ospray, but I am unhappy with the denoiser and want to try out Nvidias optix. S…

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## [Running pvpython fails: no module named paraview](https://discourse.paraview.org/t/running-pvpython-fails-no-module-named-paraview/13798)

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**Author:** [@cph](https://discourse.paraview.org/u/cph)\
**Replies:** 4\
**Last updated:** [February 19, 2024, 11:14am UTC](https://discourse.paraview.org/t/running-pvpython-fails-no-module-named-paraview/13798 "2024-02-19T11:14:28Z")

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Hi, I have the following problem: Under ParaView 5.11.2 (this installer: ParaView-5.11.2-Windows-Python3.9-msvc2017-AMD64.msi), pvpython fails with “ModuleNotFoundError: No module named ‘paraview’” on the line from…

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## [Time average pressure contour over multiple save files](https://discourse.paraview.org/t/time-average-pressure-contour-over-multiple-save-files/13925)

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**Author:** [@marvinwright](https://discourse.paraview.org/u/marvinwright)\
**Replies:** 5\
**Last updated:** [February 19, 2024, 9:57am UTC](https://discourse.paraview.org/t/time-average-pressure-contour-over-multiple-save-files/13925 "2024-02-19T09:57:37Z")

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Hello, I hope this is the right place to ask. I work with Ansys Fluent and I would like to use ParaView to plot a pressure contour that averages over multiple time step/auto save files. Is this possible? Many thanks

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## [How to calculate normal stress](https://discourse.paraview.org/t/how-to-calculate-normal-stress/13939)

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**Author:** [@Ali1990dashti](https://discourse.paraview.org/u/Ali1990dashti)\
**Replies:** 2\
**Last updated:** [February 19, 2024, 9:55am UTC](https://discourse.paraview.org/t/how-to-calculate-normal-stress/13939 "2024-02-19T09:55:08Z")

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Dear Cummunity, I want to do some post processing in paraview. In my exodus file I have 9 stress components stored both as the vectors and scalers. As the vector I have variables named as stress\_x, stress\_y, and stres…

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## [paraview glitchs when i move the mouse to its screen](https://discourse.paraview.org/t/paraview-glitchs-when-i-move-the-mouse-to-its-screen/13961)

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**Author:** [@Saeideh\_Hadavand](https://discourse.paraview.org/u/Saeideh_Hadavand)\
**Replies:** 1\
**Last updated:** [February 19, 2024, 8:13am UTC](https://discourse.paraview.org/t/paraview-glitchs-when-i-move-the-mouse-to-its-screen/13961 "2024-02-19T08:13:52Z")

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so i just opened paraview but as soon as i move my mouse on the screen it become glitchy like this… i haven’t yet load any thing

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## [Problem with Calculator](https://discourse.paraview.org/t/problem-with-calculator/13944)

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**Author:** [@Roland01](https://discourse.paraview.org/u/Roland01)\
**Replies:** 6\
**Last updated:** [February 16, 2024, 8:24pm UTC](https://discourse.paraview.org/t/problem-with-calculator/13944 "2024-02-16T20:24:06Z")

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Hi, For postprocessing results coming from Elmer I use Paraview 5.5.2 which generally works very well on my Windows 10 PC. But for the results of a multiphysics Elmer model which couples Electromagnetics, Heat transfer…

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## [Embed 3D topography on 3D winds (lat, lon, pressure level)](https://discourse.paraview.org/t/embed-3d-topography-on-3d-winds-lat-lon-pressure-level/12357)

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**Author:** [@GPoveda](https://discourse.paraview.org/u/GPoveda)\
**Replies:** 20\
**Last updated:** [February 17, 2024, 3:45pm UTC](https://discourse.paraview.org/t/embed-3d-topography-on-3d-winds-lat-lon-pressure-level/12357 "2024-02-17T15:45:30Z")

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Hi, I need to embed 3D topography on a 3D (lat, lon, pressure level) winds, in the ParaView figure attached. ed.

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## [Export screenshot with High DPI\>300](https://discourse.paraview.org/t/export-screenshot-with-high-dpi-300/13930)

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**Author:** [@SKSoni](https://discourse.paraview.org/u/SKSoni)\
**Replies:** 3\
**Last updated:** [February 17, 2024, 8:46am UTC](https://discourse.paraview.org/t/export-screenshot-with-high-dpi-300/13930 "2024-02-17T08:46:50Z")

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Dear All I am unable to find any option for specifying the DPI while exporting the screenshot of the results. Hardly, it is taking to 96 DPI for a JPEG. Please suggest exporting a JPEG with 300 DPI for publication poi…

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## [Python command for setting number of keyframes](https://discourse.paraview.org/t/python-command-for-setting-number-of-keyframes/13955)

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**Author:** [@dpugmire](https://discourse.paraview.org/u/dpugmire)\
**Replies:** 1\
**Last updated:** [February 16, 2024, 10:12pm UTC](https://discourse.paraview.org/t/python-command-for-setting-number-of-keyframes/13955 "2024-02-16T22:12:40Z")

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I’m trying to script setting the number of keyframes. I’m using Record State to show me the command. However, when I change the number of keyframes, I don’t see an associated command in the recorded state. Anyone know …

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## [Scour depth plot](https://discourse.paraview.org/t/scour-depth-plot/13957)

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**Author:** [@Sonia](https://discourse.paraview.org/u/Sonia)\
**Replies:** 0\
**Last updated:** [February 16, 2024, 7:38pm UTC](https://discourse.paraview.org/t/scour-depth-plot/13957 "2024-02-16T19:38:19Z")

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I have a sand profile contour . I want to plot the scour depth over time. how can i plot it on para view and extract the data as a csv for all time.

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## [Switch off Dark Mode](https://discourse.paraview.org/t/switch-off-dark-mode/9220)

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**Author:** [@Jan\_Deca](https://discourse.paraview.org/u/Jan_Deca)\
**Replies:** 2\
**Last updated:** [February 16, 2024, 10:34am UTC](https://discourse.paraview.org/t/switch-off-dark-mode/9220 "2024-02-16T10:34:53Z")

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Hello, I am using Dark mode/appearance on Mac OSX 12.3 in my general system preferences, but I’m not a big fan of it while using paraview. Is there a way to make paraview 5.10.1 use Light mode although Dark mode is sele…

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## [Paraview 5.11.2 can't find external libharu](https://discourse.paraview.org/t/paraview-5-11-2-cant-find-external-libharu/13914)

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**Author:** [@adigitoleo](https://discourse.paraview.org/u/adigitoleo)\
**Replies:** 3\
**Last updated:** [February 16, 2024, 8:46am UTC](https://discourse.paraview.org/t/paraview-5-11-2-cant-find-external-libharu/13914 "2024-02-16T08:46:01Z")

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Hello. I’m trying to build paraview locally, preferrably using external libs rather than bundled. I got as far as: -- Could NOT find LibHaru (missing: LibHaru\_LIBRARY) (found suitable version "2.4.0-dev", minimum requi…

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## [compute smooth isovolume for htg input](https://discourse.paraview.org/t/compute-smooth-isovolume-for-htg-input/13922)

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**Author:** [@sharaborin](https://discourse.paraview.org/u/sharaborin)\
**Replies:** 3\
**Last updated:** [February 14, 2024, 10:37am UTC](https://discourse.paraview.org/t/compute-smooth-isovolume-for-htg-input/13922 "2024-02-14T10:37:44Z")

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Hello! I have HTG file of bubbles which are multiconnected, I would like to extract from HTG a smooth isovolume and compute each bubble’s volume. I tried this: Apply HyperTreeGridToUnstructuredGrid Apply IsoVolume bu…

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## [Stream Tracer from vtk](https://discourse.paraview.org/t/stream-tracer-from-vtk/13921)

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**Author:** [@audrey.gno](https://discourse.paraview.org/u/audrey.gno)\
**Replies:** 2\
**Last updated:** [February 13, 2024, 11:17am UTC](https://discourse.paraview.org/t/stream-tracer-from-vtk/13921 "2024-02-13T11:17:31Z")

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Dear Paraview team, I run computations with the Telemac-Mascaret solver. The results are generated in serafin format : so I use a python script provided in the solver package to convert the serafin results in .vtk form…

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## [Haptic feedback and vibrations](https://discourse.paraview.org/t/haptic-feedback-and-vibrations/13912)

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**Author:** [@DIO](https://discourse.paraview.org/u/DIO)\
**Replies:** 2\
**Last updated:** [February 12, 2024, 2:05pm UTC](https://discourse.paraview.org/t/haptic-feedback-and-vibrations/13912 "2024-02-12T14:05:21Z")

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has everyone managed to look into using haptic feedback for paraview VR simulations? I would like to see if it was possible at all and what site research is needed to implement it into simulations\>

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## [Need help to compute the difference between two solution on the same mesh using append attribute](https://discourse.paraview.org/t/need-help-to-compute-the-difference-between-two-solution-on-the-same-mesh-using-append-attribute/13908)

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**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 1\
**Last updated:** [February 12, 2024, 9:34am UTC](https://discourse.paraview.org/t/need-help-to-compute-the-difference-between-two-solution-on-the-same-mesh-using-append-attribute/13908 "2024-02-12T09:34:14Z")

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Hello velocity\_noslip.pvd (177 Bytes) velocity\_slip.pvd (175 Bytes) Attached are two files: one with a slip solution and the other with a no-slip solution, both on the same mesh. I want to compute the difference betwe…

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## ["save animation" issue when changing the size of the exports](https://discourse.paraview.org/t/save-animation-issue-when-changing-the-size-of-the-exports/13915)

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**Author:** [@ebreard](https://discourse.paraview.org/u/ebreard)\
**Replies:** 1\
**Last updated:** [February 12, 2024, 9:17am UTC](https://discourse.paraview.org/t/save-animation-issue-when-changing-the-size-of-the-exports/13915 "2024-02-12T09:17:19Z")

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Hi, I am getting an issue when exporting with paraview the animation regardless of the format, when I change the size of the exports from the default screen resolution, it does not make the exports higher res but rather…

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## [Zooming a picture](https://discourse.paraview.org/t/zooming-a-picture/13910)

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**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 1\
**Last updated:** [February 12, 2024, 9:14am UTC](https://discourse.paraview.org/t/zooming-a-picture/13910 "2024-02-12T09:14:10Z")

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Hello everyone Please tell me How we can zoom a particular portion in paraview ?

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## [Programmable filter threshold on cell/point data](https://discourse.paraview.org/t/programmable-filter-threshold-on-cell-point-data/11801)

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**Author:** [@caladoa](https://discourse.paraview.org/u/caladoa)\
**Replies:** 20\
**Last updated:** [February 9, 2024, 3:58pm UTC](https://discourse.paraview.org/t/programmable-filter-threshold-on-cell-point-data/11801 "2024-02-09T15:58:30Z")

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Hi. I am trying to create a programmable filter right after a Connectivity filter which splits my surface into N different regions (they get different Region Ids). These are available as cell/point data. I would like t…

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## [Register attribute not implemented in v5.10](https://discourse.paraview.org/t/register-attribute-not-implemented-in-v5-10/13907)

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**Author:** [@rsantet](https://discourse.paraview.org/u/rsantet)\
**Replies:** 0\
**Last updated:** [February 9, 2024, 1:52pm UTC](https://discourse.paraview.org/t/register-attribute-not-implemented-in-v5-10/13907 "2024-02-09T13:52:18Z")

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I am using Rheolef, which calls Paraview to render meshes. At one point, the script (which can be found here) calls (line 160) the function CreateScalarBar of the simple module, which calls (line 1982) the Register metho…

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## [Problem with ResampleWithDataset](https://discourse.paraview.org/t/problem-with-resamplewithdataset/13894)

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**Author:** [@Loic](https://discourse.paraview.org/u/Loic)\
**Replies:** 1\
**Last updated:** [February 9, 2024, 11:21am UTC](https://discourse.paraview.org/t/problem-with-resamplewithdataset/13894 "2024-02-09T11:21:27Z")

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Hi, I would like to interpolate data from an UnstructuredGrid on some points: I’ve tried the ResampleWithDataset filter, but the interpolation fails on some points: I’ve tried increasing the tolerance manually …

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## [SyntaxError: invalid decimal literal](https://discourse.paraview.org/t/syntaxerror-invalid-decimal-literal/13904)

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**Author:** [@JSArocena](https://discourse.paraview.org/u/JSArocena)\
**Replies:** 6\
**Last updated:** [February 9, 2024, 9:39am UTC](https://discourse.paraview.org/t/syntaxerror-invalid-decimal-literal/13904 "2024-02-09T09:39:59Z")

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Dear Support, I’m a new here, I would like to know how to deal with this error message from ParaView: After I load state the converted vtk file, error message appear in Paraview as shown below: Thank you in advance…

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## [Issue loading in state](https://discourse.paraview.org/t/issue-loading-in-state/5442)

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**Author:** [@Jessblair11](https://discourse.paraview.org/u/Jessblair11)\
**Replies:** 20\
**Last updated:** [February 8, 2024, 4:17pm UTC](https://discourse.paraview.org/t/issue-loading-in-state/5442 "2024-02-08T16:17:25Z")

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Hello, I still have an issue of loading in past saved state files. I have multiple simulations that I was able to load in and apply a filter to, primarily calculator and integrate variables, and always click on “save st…

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## [How to calculate difference of variables in Paraview Calculator](https://discourse.paraview.org/t/how-to-calculate-difference-of-variables-in-paraview-calculator/13892)

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**Author:** [@Ali1990dashti](https://discourse.paraview.org/u/Ali1990dashti)\
**Replies:** 3\
**Last updated:** [February 8, 2024, 9:34am UTC](https://discourse.paraview.org/t/how-to-calculate-difference-of-variables-in-paraview-calculator/13892 "2024-02-08T09:34:02Z")

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Dear Cummunity, First and foremost, thanks for developing such great tool like Paraview. I am importing an exodus file (.e) containing the results of a transient simulation. For some of my variebles (both the Point Da…

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## [Export data from paraview in grid points](https://discourse.paraview.org/t/export-data-from-paraview-in-grid-points/13886)

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**Author:** [@aneps](https://discourse.paraview.org/u/aneps)\
**Replies:** 1\
**Last updated:** [February 8, 2024, 8:37am UTC](https://discourse.paraview.org/t/export-data-from-paraview-in-grid-points/13886 "2024-02-08T08:37:09Z")

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Hello everyone, I want to export data from paraview (eg Temperature, T) in the form of grid points. I am attaching a sample data herewith. First three lines following %Grid are the grid points, first line is x points (0 …

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## [Need help in plotting velocity feilds for a 3d figure](https://discourse.paraview.org/t/need-help-in-plotting-velocity-feilds-for-a-3d-figure/13884)

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**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 0\
**Last updated:** [February 7, 2024, 8:06pm UTC](https://discourse.paraview.org/t/need-help-in-plotting-velocity-feilds-for-a-3d-figure/13884 "2024-02-07T20:06:21Z")

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velocity\_noslip.pvd (177 Bytes) Hello I want to plot these 3d velocity fields in 2d plane in paraview. I didn’t know how to plot velocity fields for a 3d figure. Please help me in this regard. I want also want to zo…

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## [ParaView not launching (instance does not start)](https://discourse.paraview.org/t/paraview-not-launching-instance-does-not-start/13750)

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**Author:** [@MakelA](https://discourse.paraview.org/u/MakelA)\
**Replies:** 10\
**Last updated:** [February 7, 2024, 7:25pm UTC](https://discourse.paraview.org/t/paraview-not-launching-instance-does-not-start/13750 "2024-02-07T19:25:45Z")

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Hi, ParaView does not open a window, but runs as a background process. Tried different versions of the program, from old to new. Tried various compatibility settings. Tried installing older graphics drivers. Nothing…

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## [Paraview crashing when selecting cells](https://discourse.paraview.org/t/paraview-crashing-when-selecting-cells/13844)

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**Author:** [@NukeHirn](https://discourse.paraview.org/u/NukeHirn)\
**Replies:** 4\
**Last updated:** [February 7, 2024, 5:47pm UTC](https://discourse.paraview.org/t/paraview-crashing-when-selecting-cells/13844 "2024-02-07T17:47:11Z")

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I know this issue has been here before but I am encountering it again in 5.12 on Windows. I converted output files from SPARTA with the tool grid2paraview.py provided by it. This creates the file structure that can be s…

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## [ospray module error in PyCharm when loading ParaView API](https://discourse.paraview.org/t/ospray-module-error-in-pycharm-when-loading-paraview-api/13657)

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**Author:** [@felixfellner](https://discourse.paraview.org/u/felixfellner)\
**Replies:** 3\
**Last updated:** [February 7, 2024, 1:53pm UTC](https://discourse.paraview.org/t/ospray-module-error-in-pycharm-when-loading-paraview-api/13657 "2024-02-07T13:53:27Z")

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Hello, I have a question reagrding the ospray module (ParaView 5.10.1). We developed an applicacation using ParaView API to generate visualization of CFD simulation carried out before. Whenever the API is started from t…

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## [MSB8066 error while compiling the paraview 5.12.0](https://discourse.paraview.org/t/msb8066-error-while-compiling-the-paraview-5-12-0/13777)

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**Author:** [@mahb](https://discourse.paraview.org/u/mahb)\
**Replies:** 3\
**Last updated:** [February 7, 2024, 1:51pm UTC](https://discourse.paraview.org/t/msb8066-error-while-compiling-the-paraview-5-12-0/13777 "2024-02-07T13:51:59Z")

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while compiling 5.12.0, the following is my command. 1.cmake -G"Visual Studio 16 2019" -T host="x64" -A "x64" -DPARAVIEW\_USE\_PYTHON=ON -DPARAVIEW\_USE\_MPI=ON -DCMAKE\_BUILD\_TYPE=Release -DCMAKE\_PREFIX\_PATH='D:\\Qt\\5.15.2\\…

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