# Top

**URL:** https://discourse.paraview.org/top.md?page=155&period=all

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**Page:** 156

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## [GenerateCompositeDataSetFromHierarchy in Python](https://discourse.paraview.org/t/generatecompositedatasetfromhierarchy-in-python/10110)

<div class="topic-metadata">

**Author:** [@HollowSun0](https://discourse.paraview.org/u/HollowSun0)\
**Replies:** 0\
**Last updated:** [August 5, 2022, 10:43pm UTC](https://discourse.paraview.org/t/generatecompositedatasetfromhierarchy-in-python/10110 "2022-08-05T22:43:05Z")

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Hi everyone! Quick question… How does one call the method… output = vtkDataAssemblyUtilities.GenerateCompositeDataSetFromHierarchy( outPDSC, outPDSC.GetDataAssembly()) ? I keep getting this error: ValueError:…

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## [How to show some points on the 3d volume](https://discourse.paraview.org/t/how-to-show-some-points-on-the-3d-volume/7696)

<div class="topic-metadata">

**Author:** [@parvaneh123](https://discourse.paraview.org/u/parvaneh123)\
**Replies:** 0\
**Last updated:** [July 26, 2021, 7:10pm UTC](https://discourse.paraview.org/t/how-to-show-some-points-on-the-3d-volume/7696 "2021-07-26T19:10:08Z")

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I have a volume which is a binary 3d image and loaded it in paraview . I also have another 3d binary image which is the centerlines and loaded it also as seen below. Now I have a script which contains the coordinates…

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## [Time of displacement](https://discourse.paraview.org/t/time-of-displacement/510)

<div class="topic-metadata">

**Author:** [@GPsalachs](https://discourse.paraview.org/u/GPsalachs)\
**Replies:** 0\
**Last updated:** [September 3, 2018, 7:57am UTC](https://discourse.paraview.org/t/time-of-displacement/510 "2018-09-03T07:57:38Z")

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Hello all, i would like to ask if and how it is possible to get the time of the data set that the first displacement takes place. Example i want to know in the 25s of my simulation the time where a displacement is \>=0.0…

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## [reflect changes of 3d object on client side](https://discourse.paraview.org/t/reflect-changes-of-3d-object-on-client-side/13385)

<div class="topic-metadata">

**Author:** [@molumolu](https://discourse.paraview.org/u/molumolu)\
**Replies:** 1\
**Last updated:** [December 1, 2023, 8:21pm UTC](https://discourse.paraview.org/t/reflect-changes-of-3d-object-on-client-side/13385 "2023-12-01T20:21:50Z")

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I am creating Web application using React.js and paraview-web. now I am trying to change axes of 3d model on the server side and it changes the camera position correctly but to reflect this changes to the 3d object on t…

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## [Need help with creating reader plugin](https://discourse.paraview.org/t/need-help-with-creating-reader-plugin/11537)

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**Author:** [@cratesdude](https://discourse.paraview.org/u/cratesdude)\
**Replies:** 1\
**Last updated:** [March 1, 2023, 12:37pm UTC](https://discourse.paraview.org/t/need-help-with-creating-reader-plugin/11537 "2023-03-01T12:37:40Z")

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I was wondering if could help with starting to create a framework for an hdf file reader I been using this documentation: util.vtkAlgorithm Module — ParaView/Python 5.11.0-871-gc6c68e9e48 documentation (kitware.github.…

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## [Presente .txt file as surface in paraview](https://discourse.paraview.org/t/presente-txt-file-as-surface-in-paraview/11045)

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**Author:** [@tima](https://discourse.paraview.org/u/tima)\
**Replies:** 1\
**Last updated:** [December 21, 2022, 8:01am UTC](https://discourse.paraview.org/t/presente-txt-file-as-surface-in-paraview/11045 "2022-12-21T08:01:21Z")

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I want to read a .txt file as a surface in paraview. The attached picture explains the virsion of the visualistaion I get is only as points even I apply surface. If an other type of file is needed and not .txt one please…

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## [paraview 6.0.1 boken since yesterday update of system?](https://discourse.paraview.org/t/paraview-6-0-1-boken-since-yesterday-update-of-system/17632)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 6\
**Last updated:** [June 23, 2026, 8:38am UTC](https://discourse.paraview.org/t/paraview-6-0-1-boken-since-yesterday-update-of-system/17632 "2026-06-23T08:38:52Z")

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Hello, I had been using paraview 6.0.1 since its release on my system and it always worked, yesterday I did the classic update & upgrade of the system, and today when opening paraview i get an error and can not open at …

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## [The question about how to obtain a graph of the product changes over time.](https://discourse.paraview.org/t/the-question-about-how-to-obtain-a-graph-of-the-product-changes-over-time/14633)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 6\
**Last updated:** [May 15, 2024, 2:03pm UTC](https://discourse.paraview.org/t/the-question-about-how-to-obtain-a-graph-of-the-product-changes-over-time/14633 "2024-05-15T14:03:57Z")

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Researchers, I have some VTK files about particle information and different gas products. I want to obtain a graph of the product’s variation over time, but I don’t know how to operate it. Can you help me get the result?…

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## [Angle of attack of an airfoil](https://discourse.paraview.org/t/angle-of-attack-of-an-airfoil/14833)

<div class="topic-metadata">

**Author:** [@ncharala](https://discourse.paraview.org/u/ncharala)\
**Replies:** 3\
**Last updated:** [June 12, 2024, 1:46pm UTC](https://discourse.paraview.org/t/angle-of-attack-of-an-airfoil/14833 "2024-06-12T13:46:38Z")

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Hi what tools can be used in paraview to find the angle of attack of an airfoil ? Thank you Nicolas

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## [Induced Drag Calculation in ParaView](https://discourse.paraview.org/t/induced-drag-calculation-in-paraview/13052)

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**Author:** [@mdenton](https://discourse.paraview.org/u/mdenton)\
**Replies:** 0\
**Last updated:** [October 17, 2023, 4:38am UTC](https://discourse.paraview.org/t/induced-drag-calculation-in-paraview/13052 "2023-10-17T04:38:46Z")

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Hello! I am a new ParaView user trying to figure out how to calculate induced drag on a wing section attached to the wind tunnel wall based on the results of FreeCAD OpenFoam CFD analysis. I have no problems calculatin…

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## [failed to read file using programmable source, help](https://discourse.paraview.org/t/failed-to-read-file-using-programmable-source-help/9502)

<div class="topic-metadata">

**Author:** [@wu\_ying](https://discourse.paraview.org/u/wu_ying)\
**Replies:** 0\
**Last updated:** [April 23, 2022, 3:16am UTC](https://discourse.paraview.org/t/failed-to-read-file-using-programmable-source-help/9502 "2022-04-23T03:16:51Z")

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Hello, community, failed to read file using programmable source, help ERROR: In C:\\glr\\builds\\paraview\\paraview-ci\\build\\superbuild\\paraview\\src\\VTK\\Common\\ExecutionModel\\vtkDemandDrivenPipeline.cxx, line 760 vtkPVData…

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## [eliminate color transition for line whose two points have different color](https://discourse.paraview.org/t/eliminate-color-transition-for-line-whose-two-points-have-different-color/8197)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 0\
**Last updated:** [October 16, 2021, 3:26am UTC](https://discourse.paraview.org/t/eliminate-color-transition-for-line-whose-two-points-have-different-color/8197 "2021-10-16T03:26:37Z")

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Dear All, when i set color scalar value for all line points, lines that have two different colors will have color transition effect automatically, but in my situation, i want line to be one of defined color not transiti…

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## [Automatically load python plugin in paraview 5.6 based application](https://discourse.paraview.org/t/automatically-load-python-plugin-in-paraview-5-6-based-application/6954)

<div class="topic-metadata">

**Author:** [@lvauchier](https://discourse.paraview.org/u/lvauchier)\
**Replies:** 0\
**Last updated:** [April 14, 2021, 3:44pm UTC](https://discourse.paraview.org/t/automatically-load-python-plugin-in-paraview-5-6-based-application/6954 "2021-04-14T15:44:56Z")

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Hello, As part of the development of LidarView (currently based on Paraview 5.6), we would like to integrate new functionnalities to our application via plugins that are implemented in python (using VTKPythonAlgorithmBa…

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## [How to plot a Plume width profile in paraview ?](https://discourse.paraview.org/t/how-to-plot-a-plume-width-profile-in-paraview/6360)

<div class="topic-metadata">

**Author:** [@bkenza](https://discourse.paraview.org/u/bkenza)\
**Replies:** 0\
**Last updated:** [February 1, 2021, 3:16pm UTC](https://discourse.paraview.org/t/how-to-plot-a-plume-width-profile-in-paraview/6360 "2021-02-01T15:16:48Z")

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here’s an example of my results: How can I plot a curve with the plume width vs depth?

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## [Extracting data corresponding to xyz points](https://discourse.paraview.org/t/extracting-data-corresponding-to-xyz-points/7399)

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**Author:** [@maruthinh](https://discourse.paraview.org/u/maruthinh)\
**Replies:** 0\
**Last updated:** [June 11, 2021, 3:42pm UTC](https://discourse.paraview.org/t/extracting-data-corresponding-to-xyz-points/7399 "2021-06-11T15:42:11Z")

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Hi, I have a multiblock image data which has velocity, shear stress, etc. I also have a csv file with x y z coordinates close to the body corresponding to multiblock image data. How to extract shear stress (for example)…

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## [Equal scale on multiple panel output](https://discourse.paraview.org/t/equal-scale-on-multiple-panel-output/7274)

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**Author:** [@kaiser](https://discourse.paraview.org/u/kaiser)\
**Replies:** 0\
**Last updated:** [May 21, 2021, 7:54pm UTC](https://discourse.paraview.org/t/equal-scale-on-multiple-panel-output/7274 "2021-05-21T19:54:22Z")

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Hello, I have a layout with multiple panels of slice views as both a pvsm and a paraview.simiple python script. Is there a way to ensure that the scales are identical in the panels? As in, to ensure that one is not more…

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## [Layering multiple datasets](https://discourse.paraview.org/t/layering-multiple-datasets/3659)

<div class="topic-metadata">

**Author:** [@MarcFrei](https://discourse.paraview.org/u/MarcFrei)\
**Replies:** 0\
**Last updated:** [February 25, 2020, 12:29pm UTC](https://discourse.paraview.org/t/layering-multiple-datasets/3659 "2020-02-25T12:29:41Z")

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Hi all, I am layering 4 datasets for a material at different lengths over each other. The higher layers have “holes” in them that correspong to the mesh that was used. These holes do not appear when showing only one dat…

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## [Error in font rendering on 2d line chart views](https://discourse.paraview.org/t/error-in-font-rendering-on-2d-line-chart-views/15393)

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**Author:** [@hunter.gilbert](https://discourse.paraview.org/u/hunter.gilbert)\
**Replies:** 5\
**Last updated:** [September 25, 2024, 10:35am UTC](https://discourse.paraview.org/t/error-in-font-rendering-on-2d-line-chart-views/15393 "2024-09-25T10:35:04Z")

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Hello, I’m working with ParaView 5.12.0 downloaded as the precompiled package on Rocky Linux 9.4 and having trouble with the rendering of fonts in 2D views, which appear to have some rendering artifacts around each glyp…

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## [Segmentation fault](https://discourse.paraview.org/t/segmentation-fault/13819)

<div class="topic-metadata">

**Author:** [@oscar\_zagal](https://discourse.paraview.org/u/oscar_zagal)\
**Replies:** 2\
**Last updated:** [January 30, 2024, 2:41pm UTC](https://discourse.paraview.org/t/segmentation-fault/13819 "2024-01-30T14:41:09Z")

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Hi everyone I´m working with the solver chtMultiRegionFoam in the version 20.09 of openFoam for windows, my case is a pipe with water vapor inside, when I want to see the results in Paraview everything is fine until I u…

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## [paraview pvpython error while saving csv data](https://discourse.paraview.org/t/paraview-pvpython-error-while-saving-csv-data/16069)

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**Author:** [@RaniaYian](https://discourse.paraview.org/u/RaniaYian)\
**Replies:** 3\
**Last updated:** [July 7, 2025, 10:05am UTC](https://discourse.paraview.org/t/paraview-pvpython-error-while-saving-csv-data/16069 "2025-07-07T10:05:32Z")

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I am trying to automate my postprocessing and I wrote a script that loads the data, does some clipping and then applies the streamtracer filter. Then I save the result of the streamtracer as a .csv file. When I run the s…

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## [Paraview clip does not display the mesh correctly](https://discourse.paraview.org/t/paraview-clip-does-not-display-the-mesh-correctly/16717)

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**Author:** [@nux-foam](https://discourse.paraview.org/u/nux-foam)\
**Replies:** 3\
**Last updated:** [May 27, 2025, 6:54am UTC](https://discourse.paraview.org/t/paraview-clip-does-not-display-the-mesh-correctly/16717 "2025-05-27T06:54:06Z")

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Hi, I have created a fully hexahedral O-grid mesh using blockMesh and extrudeMesh in openfoam6 for a pipe with bends. When I see the mesh in default view, it looks fine. But if I take a clip plane or slice parallel to …

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## [Change Extents Using ParaView Python](https://discourse.paraview.org/t/change-extents-using-paraview-python/11626)

<div class="topic-metadata">

**Author:** [@patchett2002](https://discourse.paraview.org/u/patchett2002)\
**Replies:** 0\
**Last updated:** [March 14, 2023, 2:57pm UTC](https://discourse.paraview.org/t/change-extents-using-paraview-python/11626 "2023-03-14T14:57:05Z")

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Hello, I’ve been working at data wrangling a rather large data set (just under an exabyte) and am on my last bit of transformation to get it working for visualization on a smaller supercomputer. My problem is that I have…

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## [Temporal Statistics Filter do not compute over entire domain](https://discourse.paraview.org/t/temporal-statistics-filter-do-not-compute-over-entire-domain/9507)

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**Author:** [@pdhyani](https://discourse.paraview.org/u/pdhyani)\
**Replies:** 0\
**Last updated:** [April 24, 2022, 7:01pm UTC](https://discourse.paraview.org/t/temporal-statistics-filter-do-not-compute-over-entire-domain/9507 "2022-04-24T19:01:51Z")

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Hello, I have a dataset with 19 time steps, I want to compute temporal average over the domain. I use the temporal statistics filter, but the filter computes the average partially over the domain. I have attached the tw…

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## [Placing Objects on Terrain - PALM NetCDF Files](https://discourse.paraview.org/t/placing-objects-on-terrain-palm-netcdf-files/17565)

<div class="topic-metadata">

**Author:** [@anon17936635](https://discourse.paraview.org/u/anon17936635)\
**Replies:** 4\
**Last updated:** [June 29, 2026, 10:41am UTC](https://discourse.paraview.org/t/placing-objects-on-terrain-palm-netcdf-files/17565 "2026-06-29T10:41:26Z")

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Helo together, I tried to visualize PALM NetCDF simulation results (\_3d.000.nc) and a PALM NetCDF static driver (objects in model domain) (\_static.nc) in ParaView. I displayed the static driver using a threshold filter…

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## [Exporting multiple objects into one .vtkjs file](https://discourse.paraview.org/t/exporting-multiple-objects-into-one-vtkjs-file/17297)

<div class="topic-metadata">

**Author:** [@rensv](https://discourse.paraview.org/u/rensv)\
**Replies:** 6\
**Last updated:** [November 10, 2025, 3:29pm UTC](https://discourse.paraview.org/t/exporting-multiple-objects-into-one-vtkjs-file/17297 "2025-11-10T15:29:35Z")

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Hi, I’m curious if it is possible to export multiple objects into one .vtkjs file. Ideally, I would like to export CFD data with volume representation, along with the confining geometry as a .stl file with surface repre…

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## [Render latex matrix in paraview](https://discourse.paraview.org/t/render-latex-matrix-in-paraview/11429)

<div class="topic-metadata">

**Author:** [@Trailer1](https://discourse.paraview.org/u/Trailer1)\
**Replies:** 1\
**Last updated:** [February 19, 2023, 7:42pm UTC](https://discourse.paraview.org/t/render-latex-matrix-in-paraview/11429 "2023-02-19T19:42:38Z")

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Hello, How can I introduce a matrix through python annotation(some other means) in paraview? Kind Regards

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## [Evaluation of a volume integral over a 2D plane](https://discourse.paraview.org/t/evaluation-of-a-volume-integral-over-a-2d-plane/11488)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [February 24, 2023, 5:01pm UTC](https://discourse.paraview.org/t/evaluation-of-a-volume-integral-over-a-2d-plane/11488 "2023-02-24T17:01:16Z")

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Dear support, I need to evaluate the following volume integral over a 2D surface obtained using the threshold filter: I have already obtained the divergence of f\_vw term and the only thing left is to integrate this …

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## [save .pvd with time steps not in scientific notation?](https://discourse.paraview.org/t/save-pvd-with-time-steps-not-in-scientific-notation/9100)

<div class="topic-metadata">

**Author:** [@mvanmoer](https://discourse.paraview.org/u/mvanmoer)\
**Replies:** 0\
**Last updated:** [March 2, 2022, 4:26pm UTC](https://discourse.paraview.org/t/save-pvd-with-time-steps-not-in-scientific-notation/9100 "2022-03-02T16:26:50Z")

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Hi all, I have a netCDF that has the time steps in seconds since Modified Julian Day, e.g., 5061747600 5061751200 5061754800 ParaView reads this correctly. However, when I either Save Geometry or Save Data, the resu…

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## [Ray box intersection in a Programmable filter](https://discourse.paraview.org/t/ray-box-intersection-in-a-programmable-filter/4397)

<div class="topic-metadata">

**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 0\
**Last updated:** [May 23, 2020, 5:35pm UTC](https://discourse.paraview.org/t/ray-box-intersection-in-a-programmable-filter/4397 "2020-05-23T17:35:13Z")

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I am building a programmable filter on CellData. In the filter, I need to find intersection between rays and cells. Is there a ready-made code using VTK with python wrapping that I can make use of for this?

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## [Streamtracer path length calculation](https://discourse.paraview.org/t/streamtracer-path-length-calculation/2179)

<div class="topic-metadata">

**Author:** [@momentumv](https://discourse.paraview.org/u/momentumv)\
**Replies:** 0\
**Last updated:** [July 8, 2019, 12:55pm UTC](https://discourse.paraview.org/t/streamtracer-path-length-calculation/2179 "2019-07-08T12:55:41Z")

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The streamtracer filter seems to be computing arclength oddly. I made a bug submission, but would appreciate any confirmation or discussion. https://gitlab.kitware.com/paraview/paraview/issues/19161

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## [calculate wall share stress 3D mesh](https://discourse.paraview.org/t/calculate-wall-share-stress-3d-mesh/16441)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [April 8, 2025, 6:26am UTC](https://discourse.paraview.org/t/calculate-wall-share-stress-3d-mesh/16441 "2025-04-08T06:26:14Z")

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Hello, I am looking into how to calculate the wall shear stress in my fluid simulation. going around the forum i finished in this two links: https://www.paraview.org/pipermail/paraview/2016-October/038305.html but no…

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## [extract transient line data](https://discourse.paraview.org/t/extract-transient-line-data/10404)

<div class="topic-metadata">

**Author:** [@nathanbl](https://discourse.paraview.org/u/nathanbl)\
**Replies:** 0\
**Last updated:** [September 24, 2022, 3:29pm UTC](https://discourse.paraview.org/t/extract-transient-line-data/10404 "2022-09-24T15:29:43Z")

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I have a bunch of VTU files with 2D data on them, each representing a different time step. I want to specify several lines and extract transient data of the pressure, velocity etc. preferably, i would get sepearate csv f…

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## [Automatic macro script not saving csv file](https://discourse.paraview.org/t/automatic-macro-script-not-saving-csv-file/7954)

<div class="topic-metadata">

**Author:** [@spkumar](https://discourse.paraview.org/u/spkumar)\
**Replies:** 1\
**Last updated:** [September 8, 2021, 7:12am UTC](https://discourse.paraview.org/t/automatic-macro-script-not-saving-csv-file/7954 "2021-09-08T07:12:33Z")

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Hi everyone, I would like to automate plot over line filter on different cases (with different mesh). I started “start trace” and recorded the actions as a macro script. I have three test cases. I could get csv file in …

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## [What's New in ParaView 6.2 Webinar](https://discourse.paraview.org/t/whats-new-in-paraview-6-2-webinar/17700)

<div class="topic-metadata">

**Author:** [@NickBearup](https://discourse.paraview.org/u/NickBearup)\
**Replies:** 0\
**Last updated:** [August 26, 2026, 8:06pm UTC](https://discourse.paraview.org/t/whats-new-in-paraview-6-2-webinar/17700 "2026-08-26T20:06:44Z")

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The ParaView team at Kitware will be hosting a free webinar on Wednesday, September 9th from 12:00pm - 1:00pm ET, covering the latest features and improvements in the newest ParaView release. During this webinar, the te…

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## [Temporal array filter on moving airfoil](https://discourse.paraview.org/t/temporal-array-filter-on-moving-airfoil/12058)

<div class="topic-metadata">

**Author:** [@Dracool](https://discourse.paraview.org/u/Dracool)\
**Replies:** 0\
**Last updated:** [May 10, 2023, 9:57am UTC](https://discourse.paraview.org/t/temporal-array-filter-on-moving-airfoil/12058 "2023-05-10T09:57:49Z")

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Hi everyone ! I try to understand how the temporal array filter works for a moving airfoil. I have an overset mesh with the airfoil and I want to use the temporal array filter to get the temporal derivative (substract t…

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## [Particle tracking to extract velocity angle and temperature](https://discourse.paraview.org/t/particle-tracking-to-extract-velocity-angle-and-temperature/10895)

<div class="topic-metadata">

**Author:** [@fujah06](https://discourse.paraview.org/u/fujah06)\
**Replies:** 0\
**Last updated:** [December 1, 2022, 7:25pm UTC](https://discourse.paraview.org/t/particle-tracking-to-extract-velocity-angle-and-temperature/10895 "2022-12-01T19:25:16Z")

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I am working on metal melting, and during the process there is eruption of particles in liquid form. These particles are moving at different velocity, angle and temperature. I will like to extract the velocity, angle and…

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## [How does paraview generate LODs?](https://discourse.paraview.org/t/how-does-paraview-generate-lods/8587)

<div class="topic-metadata">

**Author:** [@Julienchz](https://discourse.paraview.org/u/Julienchz)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 9:14am UTC](https://discourse.paraview.org/t/how-does-paraview-generate-lods/8587 "2021-12-08T09:14:05Z")

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Hello ! I would like to know how Paraview generates LOD (in Interactive Rendering Options). I went through the code, but it is a bit hard to understand really how it works. It seems to me Paraview uses vtkDIYkdtreeutili…

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## [Render only textures within (0,0) to (1,1) texture coordinate range?](https://discourse.paraview.org/t/render-only-textures-within-0-0-to-1-1-texture-coordinate-range/7449)

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**Author:** [@datathing](https://discourse.paraview.org/u/datathing)\
**Replies:** 0\
**Last updated:** [June 20, 2021, 3:48pm UTC](https://discourse.paraview.org/t/render-only-textures-within-0-0-to-1-1-texture-coordinate-range/7449 "2021-06-20T15:48:38Z")

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I have added a texture coordinate array to a .vtu object to define the texture coordinates: However, I cannot figure out how to prevent the texture from rendering outside of the (0,0) to (1,1) texture range. I have…

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## [Paraview Python Shell becomes inactive](https://discourse.paraview.org/t/paraview-python-shell-becomes-inactive/17588)

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**Author:** [@Mezzerine](https://discourse.paraview.org/u/Mezzerine)\
**Replies:** 2\
**Last updated:** [May 28, 2026, 2:21pm UTC](https://discourse.paraview.org/t/paraview-python-shell-becomes-inactive/17588 "2026-05-28T14:21:51Z")

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I have some version of below commands I run with the python shell inside paraview (either v5.13 or v6.0). And at a certain point the commands don’t seem to do anything anymore. Not even an error message is given if I put…

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## [Error while loading a .med file - MEDfieldComputingStepInfo](https://discourse.paraview.org/t/error-while-loading-a-med-file-medfieldcomputingstepinfo/14701)

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**Author:** [@Philippe\_Merle](https://discourse.paraview.org/u/Philippe_Merle)\
**Replies:** 2\
**Last updated:** [May 23, 2024, 1:47pm UTC](https://discourse.paraview.org/t/error-while-loading-a-med-file-medfieldcomputingstepinfo/14701 "2024-05-23T13:47:22Z")

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Hi all, I’m trying to load a \*.med file. This file has been generated via library h5py in python. I activate the MEDReader from Plugins of Paraview to allow Paraview to load this med file. Unfortunately, i’ve got an …

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## [Plotting data along curved line along the perimeter of circle](https://discourse.paraview.org/t/plotting-data-along-curved-line-along-the-perimeter-of-circle/16566)

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**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 7\
**Last updated:** [May 5, 2025, 2:20pm UTC](https://discourse.paraview.org/t/plotting-data-along-curved-line-along-the-perimeter-of-circle/16566 "2025-05-05T14:20:27Z")

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Hi I want to plot data along the circumference of the cross-section as shown in the attached image. I want to plot the wall shear along the perimeter of the pipe c/s. How should i proceed about this? I tried intersectio…

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## [Paraview failed to show window on a multi-monitor setup](https://discourse.paraview.org/t/paraview-failed-to-show-window-on-a-multi-monitor-setup/13601)

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**Author:** [@Javen](https://discourse.paraview.org/u/Javen)\
**Replies:** 1\
**Last updated:** [December 28, 2023, 7:21am UTC](https://discourse.paraview.org/t/paraview-failed-to-show-window-on-a-multi-monitor-setup/13601 "2023-12-28T07:21:03Z")

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Paraview failed to show window on a multi-monitor setup, There will only be a blank window and can only be viewed in the taskbar thumbnail. Is there anything I can do to prevent this? I have attached a log generated by …

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## [Import million .vtk files at the same time](https://discourse.paraview.org/t/import-million-vtk-files-at-the-same-time/13510)

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**Author:** [@mdev](https://discourse.paraview.org/u/mdev)\
**Replies:** 1\
**Last updated:** [December 15, 2023, 9:12am UTC](https://discourse.paraview.org/t/import-million-vtk-files-at-the-same-time/13510 "2023-12-15T09:12:06Z")

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Hello, I am working on a dynamics simulation, and exporting .vtk files at every time step. However, when I try importing those files at the same time, the program (paraview) lags too much, and it seems impossible to do …

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## [Trying to use ExtractSubset filter, but off axis](https://discourse.paraview.org/t/trying-to-use-extractsubset-filter-but-off-axis/8433)

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**Author:** [@Andrew\_Parrett](https://discourse.paraview.org/u/Andrew_Parrett)\
**Replies:** 1\
**Last updated:** [November 18, 2021, 7:40pm UTC](https://discourse.paraview.org/t/trying-to-use-extractsubset-filter-but-off-axis/8433 "2021-11-18T19:40:55Z")

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I am trying to use the ExtractSubset filters to highlight specific parts of a VTI dataset. The filter is working fine for regions that are aligned with the axis of the VTI files, but I have some rectangular objects that …

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## [Slow selection of large multi-block datasets](https://discourse.paraview.org/t/slow-selection-of-large-multi-block-datasets/15061)

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**Author:** [@elynch](https://discourse.paraview.org/u/elynch)\
**Replies:** 3\
**Last updated:** [July 16, 2024, 12:57pm UTC](https://discourse.paraview.org/t/slow-selection-of-large-multi-block-datasets/15061 "2024-07-16T12:57:40Z")

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I find that ParaView is very slow to select multi-block datasets in the pipeline browser when the datasets have a large number of blocks. The dataset linked below has a bit over 900 structured blocks, but the total size…

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## [How to change the value of the abscissa](https://discourse.paraview.org/t/how-to-change-the-value-of-the-abscissa/9834)

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**Author:** [@yuantangjin](https://discourse.paraview.org/u/yuantangjin)\
**Replies:** 0\
**Last updated:** [June 17, 2022, 9:04am UTC](https://discourse.paraview.org/t/how-to-change-the-value-of-the-abscissa/9834 "2022-06-17T09:04:23Z")

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I imported the file for visualization and made a graph using the data in the file. But the value of the abscissa axis is not what I want. The abscissa axis I want should be the value of the abscissa axis based on the cur…

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## [Animating volume opacity](https://discourse.paraview.org/t/animating-volume-opacity/7381)

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**Author:** [@BrunoP](https://discourse.paraview.org/u/BrunoP)\
**Replies:** 0\
**Last updated:** [June 8, 2021, 6:47pm UTC](https://discourse.paraview.org/t/animating-volume-opacity/7381 "2021-06-08T18:47:10Z")

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Hi, I am rendering a scene which is combination of volume and different poly data. I have designed transfer function which controls opacity of wanted values but would like to further reduce overall opacity of volume onc…

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## [Vertical profile of salinity for 1D model run - axis orientation](https://discourse.paraview.org/t/vertical-profile-of-salinity-for-1d-model-run-axis-orientation/5817)

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**Author:** [@\_Marco](https://discourse.paraview.org/u/_Marco)\
**Replies:** 0\
**Last updated:** [November 16, 2020, 6:38pm UTC](https://discourse.paraview.org/t/vertical-profile-of-salinity-for-1d-model-run-axis-orientation/5817 "2020-11-16T18:38:08Z")

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Dear ParaView forum, I am animating my model results (converted to netcdf). My model run is a simple 1D run, of two water masses, with different salinity, interacting and mixing over a slope. At, say, x0 = 0.5\*Lengtht\_…

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## [Paraview "Export Animated Scene" exported .vtkjs file with wrong time order](https://discourse.paraview.org/t/paraview-export-animated-scene-exported-vtkjs-file-with-wrong-time-order/15606)

<div class="topic-metadata">

**Author:** [@Albers\_Steven](https://discourse.paraview.org/u/Albers_Steven)\
**Replies:** 4\
**Last updated:** [May 27, 2025, 11:19pm UTC](https://discourse.paraview.org/t/paraview-export-animated-scene-exported-vtkjs-file-with-wrong-time-order/15606 "2025-05-27T23:19:00Z")

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Hi, I’m using Paraview “Export Animated Scene” to generate an .vtkjs format file. But when I load it in Kitware Glance, I noticed that the animation order is wrong. For example, I have 151 files which name like a\_0000.v…

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## [SPHVolumeInterpolator, big dataset and parallel rendering](https://discourse.paraview.org/t/sphvolumeinterpolator-big-dataset-and-parallel-rendering/16871)

<div class="topic-metadata">

**Author:** [@nabajour](https://discourse.paraview.org/u/nabajour)\
**Replies:** 2\
**Last updated:** [June 30, 2025, 7:10am UTC](https://discourse.paraview.org/t/sphvolumeinterpolator-big-dataset-and-parallel-rendering/16871 "2025-06-30T07:10:30Z")

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Hi, I’m using paraview to view outputs from Smoothed Particle Hydrodynamics (SPH) simulations. The data is in h5part format, containing arrays of X, Y, Z and other physical characteristics of our SPH particles. I’m able…

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