# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=39

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

**Page:** 40

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## [Unable to read VTU file using OpenDataFile with pvpython](https://discourse.paraview.org/t/unable-to-read-vtu-file-using-opendatafile-with-pvpython/14928)

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**Author:** [@Leflak](https://discourse.paraview.org/u/Leflak)\
**Replies:** 5\
**Last updated:** [June 26, 2024, 11:36am UTC](https://discourse.paraview.org/t/unable-to-read-vtu-file-using-opendatafile-with-pvpython/14928 "2024-06-26T11:36:54Z")

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Hello everyone, I am trying to read a VTU file (which represents the deformation from a numerical simulation) and perform a porosity study by analyzing the amount of void in the 3D object. To do this, I am performing sl…

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## [Paraview failing to start inside singularity container](https://discourse.paraview.org/t/paraview-failing-to-start-inside-singularity-container/14891)

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**Author:** [@Renato\_E\_Poli](https://discourse.paraview.org/u/Renato_E_Poli)\
**Replies:** 5\
**Last updated:** [June 26, 2024, 10:45am UTC](https://discourse.paraview.org/t/paraview-failing-to-start-inside-singularity-container/14891 "2024-06-26T10:45:51Z")

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I am using a full environment inside a singularity container. From the container bash, I call paraview and it crashes (output below). Paraview was installed through “apt install paraview” (Ubuntu 22). Any clue of what m…

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## [vtm file format](https://discourse.paraview.org/t/vtm-file-format/14923)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 2\
**Last updated:** [June 26, 2024, 9:47am UTC](https://discourse.paraview.org/t/vtm-file-format/14923 "2024-06-26T09:47:31Z")

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I have a user using vtm file formats. He is creating a .pvd file, pointing to vtm files, pointing to vtr files. So, my questions: Where is documentation on vtm files? Google fails here… Are there examples of vtm fil…

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## [Fragmented Q criterion results](https://discourse.paraview.org/t/fragmented-q-criterion-results/12967)

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**Author:** [@studyhardhardhard](https://discourse.paraview.org/u/studyhardhardhard)\
**Replies:** 2\
**Last updated:** [June 25, 2024, 3:43pm UTC](https://discourse.paraview.org/t/fragmented-q-criterion-results/12967 "2024-06-25T15:43:25Z")

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Hello everyone, When I use ParaView to extract iso-surfaces of the Q criterion, the extracted results always appear very fragmented. Due to my lack of experience, I have no idea if this is normal. I’m using ParaView 5.…

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## [Point Dataset Interpolator Fails to apply over all timesteps](https://discourse.paraview.org/t/point-dataset-interpolator-fails-to-apply-over-all-timesteps/14920)

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**Author:** [@LQLN](https://discourse.paraview.org/u/LQLN)\
**Replies:** 0\
**Last updated:** [June 25, 2024, 2:23pm UTC](https://discourse.paraview.org/t/point-dataset-interpolator-fails-to-apply-over-all-timesteps/14920 "2024-06-25T14:23:07Z")

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I want to interpolate 3D point data, defined over multiple simulation timesteps on a 2D surface. The 2D surface in question is part of the shell of the 3D Model on which the 3D data resides. It is defined in a different …

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## [How to get value at individual point from a color map in paraview](https://discourse.paraview.org/t/how-to-get-value-at-individual-point-from-a-color-map-in-paraview/14825)

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**Author:** [@SitaChoudhary](https://discourse.paraview.org/u/SitaChoudhary)\
**Replies:** 5\
**Last updated:** [June 25, 2024, 2:19pm UTC](https://discourse.paraview.org/t/how-to-get-value-at-individual-point-from-a-color-map-in-paraview/14825 "2024-06-25T14:19:04Z")

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Hii, I need to read map values from colour map in paraview can anyone please help me in this regard. Thanks Sita

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## [ParaView crashing when detecting overlapping cells in unstructured grid](https://discourse.paraview.org/t/paraview-crashing-when-detecting-overlapping-cells-in-unstructured-grid/14913)

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**Author:** [@ahernsean](https://discourse.paraview.org/u/ahernsean)\
**Replies:** 2\
**Last updated:** [June 24, 2024, 6:10pm UTC](https://discourse.paraview.org/t/paraview-crashing-when-detecting-overlapping-cells-in-unstructured-grid/14913 "2024-06-24T18:10:04Z")

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When applying the Overlapping Cells Detector (vtkOverlappingCellsDetector) to an unstructured grid, ParaView crashes (or sometimes hangs). We’re hoping to use this to determine what’s wrong with the attached mesh. Versi…

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## [ParaView to Unreal Engine 5](https://discourse.paraview.org/t/paraview-to-unreal-engine-5/14885)

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**Author:** [@riowahab](https://discourse.paraview.org/u/riowahab)\
**Replies:** 4\
**Last updated:** [June 24, 2024, 12:53pm UTC](https://discourse.paraview.org/t/paraview-to-unreal-engine-5/14885 "2024-06-24T12:53:25Z")

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Hallo everyone, I am very new to ParaView. I want to know if there is a possibilities to do something like this,https://youtu.be/XVLTTO4tAIY?feature=shared Instead of using NVDIA, I want to use Unreal Engine. I tried t…

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## [ParaView Question](https://discourse.paraview.org/t/paraview-question/14886)

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**Author:** [@aquanaut](https://discourse.paraview.org/u/aquanaut)\
**Replies:** 4\
**Last updated:** [June 24, 2024, 7:30am UTC](https://discourse.paraview.org/t/paraview-question/14886 "2024-06-24T07:30:24Z")

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hi, ubuntu18.0.4.6 paraview5.2.0-RC1 https://gitlab.kitware.com/paraview/paraview/blob/master/Documentation/dev/build.md sudo apt-get install libphonon-dev libphonon4 qt4-dev-tools sudo apt-get install libqt4-core …

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## [Getting error while visualizing gprMax](https://discourse.paraview.org/t/getting-error-while-visualizing-gprmax/14896)

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**Author:** [@AISWARYA\_K\_P](https://discourse.paraview.org/u/AISWARYA_K_P)\
**Replies:** 2\
**Last updated:** [June 24, 2024, 6:07am UTC](https://discourse.paraview.org/t/getting-error-while-visualizing-gprmax/14896 "2024-06-24T06:07:44Z")

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Dear ParaView Team, I am using Paraview to visualize gprMax snapshot in vti format. I am using the updated gprMax and ParaView 5.12.1 version. But I am getting the attached error. Can you please help me with this? Than…

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## [Asynch Paraview Proxies - how do I find what's supported?](https://discourse.paraview.org/t/asynch-paraview-proxies-how-do-i-find-whats-supported/14908)

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**Author:** [@Douglas\_Brennan](https://discourse.paraview.org/u/Douglas_Brennan)\
**Replies:** 1\
**Last updated:** [June 23, 2024, 4:45pm UTC](https://discourse.paraview.org/t/asynch-paraview-proxies-how-do-i-find-whats-supported/14908 "2024-06-23T16:45:01Z")

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Hello!!! This is a question about Asynch Paraview. If there’s a better place to ask this questoin, let me know… I’m building a POC with Trame and Asynch Paraview and I’m at the point where I need to do more than I can …

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## [Export a ray traced environment for an animation](https://discourse.paraview.org/t/export-a-ray-traced-environment-for-an-animation/14900)

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**Author:** [@Methil](https://discourse.paraview.org/u/Methil)\
**Replies:** 0\
**Last updated:** [June 21, 2024, 12:29pm UTC](https://discourse.paraview.org/t/export-a-ray-traced-environment-for-an-animation/14900 "2024-06-21T12:29:16Z")

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Hello, I want to export a 3D visualisation with a ray traced environment in order to make an animation but I have two issues: The first issue is that when I export an image, I have a very noisy result which is the res…

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## [Scalar, vector, tensor, texture and norm fields from vtk file](https://discourse.paraview.org/t/scalar-vector-tensor-texture-and-norm-fields-from-vtk-file/14895)

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**Author:** [@jpmorr](https://discourse.paraview.org/u/jpmorr)\
**Replies:** 1\
**Last updated:** [June 21, 2024, 7:28am UTC](https://discourse.paraview.org/t/scalar-vector-tensor-texture-and-norm-fields-from-vtk-file/14895 "2024-06-21T07:28:30Z")

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I’m writing results data out to various xml file formats (vti, vtu, vtp) depending on simulation data but regardless of whether it’s point or cell data, I usually have multiple scalars or vectors in the data and occasion…

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## [NetCDF cell boundaries following CF](https://discourse.paraview.org/t/netcdf-cell-boundaries-following-cf/13181)

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**Author:** [@DCaviedesV](https://discourse.paraview.org/u/DCaviedesV)\
**Replies:** 4\
**Last updated:** [June 21, 2024, 5:51am UTC](https://discourse.paraview.org/t/netcdf-cell-boundaries-following-cf/13181 "2024-06-21T05:51:44Z")

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I’m trying to visualise piecewise constant data written into a netcdf file. The CF convention, as I understand it, allows to specify piecewise constant data in a cell through cell boundary definitions. I believe I have b…

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## [How to calculate the shear stress od the blood volume, not only the WSS?](https://discourse.paraview.org/t/how-to-calculate-the-shear-stress-od-the-blood-volume-not-only-the-wss/14871)

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**Author:** [@Basant\_Regmi](https://discourse.paraview.org/u/Basant_Regmi)\
**Replies:** 2\
**Last updated:** [June 21, 2024, 3:45am UTC](https://discourse.paraview.org/t/how-to-calculate-the-shear-stress-od-the-blood-volume-not-only-the-wss/14871 "2024-06-21T03:45:39Z")

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I was trying to calculate the shear stress of the blood volume inside the artery, how can I do the calculation in ParView?

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## [How to extrude a surface in paraview and export stl format](https://discourse.paraview.org/t/how-to-extrude-a-surface-in-paraview-and-export-stl-format/14843)

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**Author:** [@Maryam\_Mgh](https://discourse.paraview.org/u/Maryam_Mgh)\
**Replies:** 4\
**Last updated:** [June 19, 2024, 6:03pm UTC](https://discourse.paraview.org/t/how-to-extrude-a-surface-in-paraview-and-export-stl-format/14843 "2024-06-19T18:03:35Z")

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Hi, I have my results in vtu format and it is in 2D. how can I extrude this surface? and then export the stl file? thank you

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## [One cell in slice is blank when viewing fluent ensight gold format](https://discourse.paraview.org/t/one-cell-in-slice-is-blank-when-viewing-fluent-ensight-gold-format/14889)

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**Author:** [@Martin\_Denison](https://discourse.paraview.org/u/Martin_Denison)\
**Replies:** 0\
**Last updated:** [June 19, 2024, 4:31pm UTC](https://discourse.paraview.org/t/one-cell-in-slice-is-blank-when-viewing-fluent-ensight-gold-format/14889 "2024-06-19T16:31:42Z")

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I have been exporting from fluent ensight gold format (and edit the encas file to remove quotes and the bottom two lines). But when I visualize in slice I keep seeing a cell that does not get rendered and is blank. Is th…

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## [No proxy that matches: proxy=ADIOS2VTXReader were found](https://discourse.paraview.org/t/no-proxy-that-matches-proxy-adios2vtxreader-were-found/14887)

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**Author:** [@marhatom](https://discourse.paraview.org/u/marhatom)\
**Replies:** 0\
**Last updated:** [June 19, 2024, 4:00pm UTC](https://discourse.paraview.org/t/no-proxy-that-matches-proxy-adios2vtxreader-were-found/14887 "2024-06-19T16:00:30Z")

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Hello I am trying to open .bp file and I get an error ERROR: In vtkSIProxyDefinitionManager.cxx, line 518 vtkSIProxyDefinitionManager (000002DC59DC4EC0): No proxy that matches: group=sources and proxy=ADIOS2VTXReader we…

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## [paraview pvESSI plug](https://discourse.paraview.org/t/paraview-pvessi-plug/13314)

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**Author:** [@DongHyunLEE](https://discourse.paraview.org/u/DongHyunLEE)\
**Replies:** 11\
**Last updated:** [November 27, 2023, 12:48pm UTC](https://discourse.paraview.org/t/paraview-pvessi-plug/13314 "2023-11-27T12:48:01Z")

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Hellow. I downloaded and built paraview 5.10.1 source version on Ubuntu 22.04LTS. The plug-in I want to use is listed on github, and I installed it as instructed, but it does not install.

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## [clipping box to recreate water column](https://discourse.paraview.org/t/clipping-box-to-recreate-water-column/14882)

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**Author:** [@\_Marco](https://discourse.paraview.org/u/_Marco)\
**Replies:** 5\
**Last updated:** [June 19, 2024, 1:41pm UTC](https://discourse.paraview.org/t/clipping-box-to-recreate-water-column/14882 "2024-06-19T13:41:04Z")

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Hi there. I am probably overthinking this, and most likely there is a very trivial way of achieving this. However, here is my question: I am attempting to recreate a similar image using PV, where a parametric water col…

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## [Trace not generating load state with choose filenames](https://discourse.paraview.org/t/trace-not-generating-load-state-with-choose-filenames/14830)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 6\
**Last updated:** [June 19, 2024, 4:30am UTC](https://discourse.paraview.org/t/trace-not-generating-load-state-with-choose-filenames/14830 "2024-06-19T04:30:40Z")

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I’m starting a python trace, after which I’m choosing to load a ParaView .pvsm state. In the load state window, I’m changing the filename to select a different data file. Then on stopping the trace, I see that the LoadSt…

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## [Point Gaussian Render Bug](https://discourse.paraview.org/t/point-gaussian-render-bug/14873)

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**Author:** [@Rodrigo\_Angeli](https://discourse.paraview.org/u/Rodrigo_Angeli)\
**Replies:** 4\
**Last updated:** [June 18, 2024, 2:46pm UTC](https://discourse.paraview.org/t/point-gaussian-render-bug/14873 "2024-06-18T14:46:45Z")

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Hello, everyone! I’m a new user of Paraview and I’m having some trouble with the visualization of the point gaussian. All particles are shown as triangular shapes with some strange color (as shown in the picture below): …

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## [Cannot open multiple LAMMPS dump files as a file series](https://discourse.paraview.org/t/cannot-open-multiple-lammps-dump-files-as-a-file-series/14870)

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**Author:** [@vk7](https://discourse.paraview.org/u/vk7)\
**Replies:** 4\
**Last updated:** [June 18, 2024, 7:57am UTC](https://discourse.paraview.org/t/cannot-open-multiple-lammps-dump-files-as-a-file-series/14870 "2024-06-18T07:57:57Z")

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I am using paraview 5.12.0 on Ubuntu 18.04.6 LTS. I am unable to open a collection of dump files obtained from LAMMPS as a file series. The data is probably loaded into paraview (i see dump\* in the pipeline). However,…

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## [Glitchy redering of model](https://discourse.paraview.org/t/glitchy-redering-of-model/14869)

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**Author:** [@girindra](https://discourse.paraview.org/u/girindra)\
**Replies:** 2\
**Last updated:** [June 17, 2024, 10:36pm UTC](https://discourse.paraview.org/t/glitchy-redering-of-model/14869 "2024-06-17T22:36:55Z")

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I’m getting this issue in ParaView 5.10.1 where the rendering appears patchy, especially when zooming/ panning. Any idea why this is happening and possible fix?

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## [Comparison between 2 slides](https://discourse.paraview.org/t/comparison-between-2-slides/14857)

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**Author:** [@Frederic](https://discourse.paraview.org/u/Frederic)\
**Replies:** 3\
**Last updated:** [June 17, 2024, 9:00am UTC](https://discourse.paraview.org/t/comparison-between-2-slides/14857 "2024-06-17T09:00:55Z")

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Hello everybody, I would like to have more information about Resample With Dataset filter. I read the topic : plot difference between two slices But i could not imagine to use the Rename Array and the transform filter…

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## [Need Some basic  Example how to do  simulation using VTK file](https://discourse.paraview.org/t/need-some-basic-example-how-to-do-simulation-using-vtk-file/14863)

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**Author:** [@Monirul25](https://discourse.paraview.org/u/Monirul25)\
**Replies:** 3\
**Last updated:** [June 17, 2024, 8:20am UTC](https://discourse.paraview.org/t/need-some-basic-example-how-to-do-simulation-using-vtk-file/14863 "2024-06-17T08:20:44Z")

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Hello, I am everyone. I am very new to Paraview . I have a Vtk file that created from FreeFem++ code. I want to do simulation. Can someone help me. How to do ?? . I am using windows10.

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## [Warp by scalar issue](https://discourse.paraview.org/t/warp-by-scalar-issue/14840)

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**Author:** [@MaT29011](https://discourse.paraview.org/u/MaT29011)\
**Replies:** 8\
**Last updated:** [June 17, 2024, 8:02am UTC](https://discourse.paraview.org/t/warp-by-scalar-issue/14840 "2024-06-17T08:02:14Z")

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Hello everyone, I have a question about using the “Warp by scalar” filter. I’ve made a simulation on a flat surface and I would like to visualize it on a 3d terrain warped from the scalar array Z that I’ve got. When app…

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## [Segmentation Fault Viewing Larger Files Remotely](https://discourse.paraview.org/t/segmentation-fault-viewing-larger-files-remotely/14750)

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**Author:** [@JessieL](https://discourse.paraview.org/u/JessieL)\
**Replies:** 13\
**Last updated:** [June 17, 2024, 6:29am UTC](https://discourse.paraview.org/t/segmentation-fault-viewing-larger-files-remotely/14750 "2024-06-17T06:29:15Z")

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I am currently viewing exodus files on ParaView 5.11.2 on a client/server setup. It works fine for smaller files, but crashes with a Segmentation Fault error for larger files immediately on attempting to view using ‘Appl…

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## [Regarding streamlines](https://discourse.paraview.org/t/regarding-streamlines/14852)

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**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 7\
**Last updated:** [June 16, 2024, 11:27am UTC](https://discourse.paraview.org/t/regarding-streamlines/14852 "2024-06-16T11:27:53Z")

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Hello everyone In the second figure, we see that two secondary vortices are in the bottom left. When I flip the center of the axis, the first figure shows that the bottom left vortex is removed, and three vortices…

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## [Parallel Rendering Capabilities of 2D Views in ParaView](https://discourse.paraview.org/t/parallel-rendering-capabilities-of-2d-views-in-paraview/14846)

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**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 4\
**Last updated:** [June 14, 2024, 7:12pm UTC](https://discourse.paraview.org/t/parallel-rendering-capabilities-of-2d-views-in-paraview/14846 "2024-06-14T19:12:55Z")

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Hi All!, If I try to display a very large 2D matrix in Matplotlib, performance will degrade, especially the mouse interactions will become really slow. Does ParaView support parallel rendering (MPI and/or GPUs) in any o…

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