# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=164

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

**Page:** 165

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## [Why no EGL version to download?](https://discourse.paraview.org/t/why-no-egl-version-to-download/5559)

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**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 4\
**Last updated:** [October 15, 2020, 2:38am UTC](https://discourse.paraview.org/t/why-no-egl-version-to-download/5559 "2020-10-15T02:38:01Z")

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Dear Experts, I am curious why there is osmesa version for downloading but not EGL version… It is said EGL version is much better if there are NVIDIA Card on cluster, right? When using NVIDIA IndeX Plugin, which versi…

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## [Averaging overlapping data](https://discourse.paraview.org/t/averaging-overlapping-data/2402)

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**Author:** [@Yambanshee1](https://discourse.paraview.org/u/Yambanshee1)\
**Replies:** 1\
**Last updated:** [October 14, 2020, 7:33pm UTC](https://discourse.paraview.org/t/averaging-overlapping-data/2402 "2020-10-14T19:33:16Z")

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Good day! I am trying to perform circumferential averaging of OpenFOAM data using ParaView. I have used the calculator filter in order to rotate all my data into the theta = 0 Plane. The resultant is a bunch of data poi…

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## [paraview.simple Namesspace in IDE (e.g. Pycharm)](https://discourse.paraview.org/t/paraview-simple-namesspace-in-ide-e-g-pycharm/5531)

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**Author:** [@Mezzerine](https://discourse.paraview.org/u/Mezzerine)\
**Replies:** 6\
**Last updated:** [October 14, 2020, 2:49pm UTC](https://discourse.paraview.org/t/paraview-simple-namesspace-in-ide-e-g-pycharm/5531 "2020-10-14T14:49:35Z")

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Hi all, I use an IDE (Pycharm) to develop some postprocessing scripts with Python for Paraview. It starts to complain that it cannot resolve references, this is logical since the paraview.simple module is only available…

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## [Qt5 error (Ubuntu 20.04)](https://discourse.paraview.org/t/qt5-error-ubuntu-20-04/5562)

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**Author:** [@Jamargi](https://discourse.paraview.org/u/Jamargi)\
**Replies:** 1\
**Last updated:** [October 14, 2020, 11:41am UTC](https://discourse.paraview.org/t/qt5-error-ubuntu-20-04/5562 "2020-10-14T11:41:43Z")

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Good morning, I am having problems installing Paraview 5.8 on my Linux machine, through the MPI package included in the webpage. When launching it, it says: “…/ParaView-5.8.1-MPI-Linux-Python2.7-64bit/bin/…/lib/libQt5C…

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## [Particle effects](https://discourse.paraview.org/t/particle-effects/5554)

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**Author:** [@lyz](https://discourse.paraview.org/u/lyz)\
**Replies:** 6\
**Last updated:** [October 14, 2020, 8:25am UTC](https://discourse.paraview.org/t/particle-effects/5554 "2020-10-14T08:25:44Z")

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Does Paraview support particle effects simulation?

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## [Question about ways to represent complex number in grid data and dynamically modify point or cell data](https://discourse.paraview.org/t/question-about-ways-to-represent-complex-number-in-grid-data-and-dynamically-modify-point-or-cell-data/5552)

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**Author:** [@CJustin](https://discourse.paraview.org/u/CJustin)\
**Replies:** 1\
**Last updated:** [October 13, 2020, 7:53pm UTC](https://discourse.paraview.org/t/question-about-ways-to-represent-complex-number-in-grid-data-and-dynamically-modify-point-or-cell-data/5552 "2020-10-13T19:53:02Z")

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Hi there, I’m a student trying to do some visualization for my project. I’m really new to paraview and get lost when try to represent complex number in paraview. I want to use .vts file format but how can I tell the Dat…

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## [Can paraview 5.8 save a compressed cgns file?](https://discourse.paraview.org/t/can-paraview-5-8-save-a-compressed-cgns-file/5545)

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**Author:** [@natsu\_mizu](https://discourse.paraview.org/u/natsu_mizu)\
**Replies:** 2\
**Last updated:** [October 12, 2020, 8:58pm UTC](https://discourse.paraview.org/t/can-paraview-5-8-save-a-compressed-cgns-file/5545 "2020-10-12T20:58:17Z")

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Hi, I use paraview 5.8.0 to generate cgns file of some CFD results. It seems that the generated cgns file size is the same as the memory usage of the object inside paraview. Is there way to generate a compressed cgns f…

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## [Paraview 5.8.1 crashes when disabling the Light kit](https://discourse.paraview.org/t/paraview-5-8-1-crashes-when-disabling-the-light-kit/5522)

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**Author:** [@Naeeme.dmo](https://discourse.paraview.org/u/Naeeme.dmo)\
**Replies:** 2\
**Last updated:** [October 11, 2020, 4:46pm UTC](https://discourse.paraview.org/t/paraview-5-8-1-crashes-when-disabling-the-light-kit/5522 "2020-10-11T16:46:40Z")

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After using the styling attributes “Line width” and “Render Lines as Tubes”, disabling Light kit will make paraview to crash… I have tried the same in Paraview Versions 5.5.0 and 5.6.0 and It works fine, but for paraview…

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## [connect blocks in a multi-block grid using xdmf](https://discourse.paraview.org/t/connect-blocks-in-a-multi-block-grid-using-xdmf/5483)

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**Author:** [@pcosta](https://discourse.paraview.org/u/pcosta)\
**Replies:** 1\
**Last updated:** [October 9, 2020, 9:48pm UTC](https://discourse.paraview.org/t/connect-blocks-in-a-multi-block-grid-using-xdmf/5483 "2020-10-09T21:48:35Z")

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Hi all, I have a multi-block grid, which manage to visualize using raw binary data and the xdmf file format in paraview. A minimal example of what I have is as follows: \<?xml version="1.0" ?\> \<!DOCTYPE Xdmf SYSTEM "X…

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## [Spherical Data, even though the Axis are Cartesian(X,Y,Z) I want to apply an Integration over hat φ (phi) direction](https://discourse.paraview.org/t/spherical-data-even-though-the-axis-are-cartesian-x-y-z-i-want-to-apply-an-integration-over-hat-phi-direction/5542)

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**Author:** [@coreman](https://discourse.paraview.org/u/coreman)\
**Replies:** 0\
**Last updated:** [October 9, 2020, 5:49pm UTC](https://discourse.paraview.org/t/spherical-data-even-though-the-axis-are-cartesian-x-y-z-i-want-to-apply-an-integration-over-hat-phi-direction/5542 "2020-10-09T17:49:35Z")

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Hi there. First time I post a question :slight\_smile: I have been trying the last two days to find a way and “Average” a scalar field over Phi/Azimuthial/φ direction. I really have no way of doing this. It’s my 1st t…

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## [From FDS to ParaView](https://discourse.paraview.org/t/from-fds-to-paraview/5538)

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**Author:** [@Enrico](https://discourse.paraview.org/u/Enrico)\
**Replies:** 1\
**Last updated:** [October 9, 2020, 1:49pm UTC](https://discourse.paraview.org/t/from-fds-to-paraview/5538 "2020-10-09T13:49:50Z")

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Hello, I am new to ParaView, I would like to know if it is possible to use ParaView as a post processor of FDS (by NIST) and how to do it. What kind of format should I use? Best Regards Enrico

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## [Export animation frames with a one-to-one correspondence between 2D dataset points and pixels](https://discourse.paraview.org/t/export-animation-frames-with-a-one-to-one-correspondence-between-2d-dataset-points-and-pixels/5534)

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**Author:** [@giorgos](https://discourse.paraview.org/u/giorgos)\
**Replies:** 0\
**Last updated:** [October 9, 2020, 12:51am UTC](https://discourse.paraview.org/t/export-animation-frames-with-a-one-to-one-correspondence-between-2d-dataset-points-and-pixels/5534 "2020-10-09T00:51:00Z")

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I am trying to create an animation from a set of legacy VTK files containing a 2D dataset with dimensions M x N. How can I export it as a sequence of images of exactly M x N pixels, with a one-to-one correspondence betwe…

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## [Systematic way to get flagpole text to face the camera?](https://discourse.paraview.org/t/systematic-way-to-get-flagpole-text-to-face-the-camera/5428)

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**Author:** [@mbotto](https://discourse.paraview.org/u/mbotto)\
**Replies:** 3\
**Last updated:** [October 8, 2020, 11:45pm UTC](https://discourse.paraview.org/t/systematic-way-to-get-flagpole-text-to-face-the-camera/5428 "2020-10-08T23:45:40Z")

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Hi, I’m using ParaView 5.8.0 on Windows 10. In my visualization, I’m using the Text source in Flagpole Actor mode, and I’m wondering if there is a systematic way to get every text label to face the camera exactly. From w…

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## [Problems with the display](https://discourse.paraview.org/t/problems-with-the-display/5529)

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**Author:** [@Orlando\_Cuen](https://discourse.paraview.org/u/Orlando_Cuen)\
**Replies:** 4\
**Last updated:** [October 8, 2020, 8:38pm UTC](https://discourse.paraview.org/t/problems-with-the-display/5529 "2020-10-08T20:38:46Z")

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Hi, I’m having trouble viewing my numerical simulations, the moment I hit the Apply option the window apparently freezes and doesn’t allow me to see the options at the top of the window. I hope someone can help me with …

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## [Resample With Dataset](https://discourse.paraview.org/t/resample-with-dataset/5527)

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**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 0\
**Last updated:** [October 8, 2020, 5:31pm UTC](https://discourse.paraview.org/t/resample-with-dataset/5527 "2020-10-08T17:31:10Z")

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I am attempting to transfer data from a CSV to a geometry with the ResampleWithDataset filter but to no avail. I’ve tried: using a MultiBlockDataSet as my target geometry using a UnstructuredGrid as my target geometry…

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## [plot function on spherical mesh in polar plot](https://discourse.paraview.org/t/plot-function-on-spherical-mesh-in-polar-plot/5477)

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**Author:** [@jark](https://discourse.paraview.org/u/jark)\
**Replies:** 1\
**Last updated:** [October 8, 2020, 11:14am UTC](https://discourse.paraview.org/t/plot-function-on-spherical-mesh-in-polar-plot/5477 "2020-10-08T11:14:27Z")

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I have, using Fenics solved a pde on a spherical mesh, and saved that solution in a pvd file. I can plot it on a sphere (it just becomes a sphere when I open it in paraview). The problem is that a plot on a sphere is not…

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## [Issue with Particlepath filter](https://discourse.paraview.org/t/issue-with-particlepath-filter/5516)

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**Author:** [@physahel](https://discourse.paraview.org/u/physahel)\
**Replies:** 6\
**Last updated:** [October 8, 2020, 9:21am UTC](https://discourse.paraview.org/t/issue-with-particlepath-filter/5516 "2020-10-08T09:21:48Z")

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Dear Support members, I am trying to analyze here how streamlines and pathlines look like from my simulation data. For streamlines: I am using Mask points filter on some physics variables to choose seeds at every time s…

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## [Add an OSPRay material via Python](https://discourse.paraview.org/t/add-an-ospray-material-via-python/3673)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 16\
**Last updated:** [October 8, 2020, 7:16am UTC](https://discourse.paraview.org/t/add-an-ospray-material-via-python/3673 "2020-10-08T07:16:28Z")

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Hi, Is there a way to add an OSPRay material via Python? I’m working on a pvpython script for an automated workflow but the materials aren’t in the default list. I found some online that I like but I’m expecting multipl…

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## [Line Plot Interpolator does not plot data for different mesh type](https://discourse.paraview.org/t/line-plot-interpolator-does-not-plot-data-for-different-mesh-type/5351)

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**Author:** [@IshaanDesai](https://discourse.paraview.org/u/IshaanDesai)\
**Replies:** 2\
**Last updated:** [October 8, 2020, 6:53am UTC](https://discourse.paraview.org/t/line-plot-interpolator-does-not-plot-data-for-different-mesh-type/5351 "2020-10-08T06:53:21Z")

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Hi, I have added 2D data from CSV files into ParaView and used the TableToPoints filter for visualization. I want to do a plot over a line in this domain but as I have opened CSV data with the format (x, y, data\_value) …

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## [Resample With Dataset on thin surfaces](https://discourse.paraview.org/t/resample-with-dataset-on-thin-surfaces/4759)

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**Author:** [@dax\_00](https://discourse.paraview.org/u/dax_00)\
**Replies:** 7\
**Last updated:** [October 7, 2020, 7:55pm UTC](https://discourse.paraview.org/t/resample-with-dataset-on-thin-surfaces/4759 "2020-10-07T19:55:11Z")

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Dear all, I am working with Paraview to post-process some data coming from OpenFOAM runs. I am comparing the results coming from different geometries in paraview, using the Resample With Dataset on some vtp files. It w…

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## [Converting vtk to vtu](https://discourse.paraview.org/t/converting-vtk-to-vtu/5521)

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**Author:** [@BryanHo98](https://discourse.paraview.org/u/BryanHo98)\
**Replies:** 2\
**Last updated:** [October 7, 2020, 6:33pm UTC](https://discourse.paraview.org/t/converting-vtk-to-vtu/5521 "2020-10-07T18:33:59Z")

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I have all of my current files in .vtu format i cannot open it on paraview 5.8.1. Is there an easy way to convert each of these files into .vtk files? Thank you

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## [How to show layers of an unstructured grid](https://discourse.paraview.org/t/how-to-show-layers-of-an-unstructured-grid/5505)

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**Author:** [@wem80](https://discourse.paraview.org/u/wem80)\
**Replies:** 1\
**Last updated:** [October 7, 2020, 6:25pm UTC](https://discourse.paraview.org/t/how-to-show-layers-of-an-unstructured-grid/5505 "2020-10-07T18:25:10Z")

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Hi, I am new to ParaView and I am trying to show a geological model that has certain units in zone groups. The zones cross several layers. This figure is a render of “zones” but I want to show where the actual layers…

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## [Multiple Source Selection](https://discourse.paraview.org/t/multiple-source-selection/5509)

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**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 3\
**Last updated:** [October 7, 2020, 4:34pm UTC](https://discourse.paraview.org/t/multiple-source-selection/5509 "2020-10-07T16:34:02Z")

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Is there a way to retrieve multiple pipeline selections through the paraview.simple module? I’ve seen documentation online that says this is not possible, but it must be at least somewhat supported under the hood for us…

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## [scaling data](https://discourse.paraview.org/t/scaling-data/5515)

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**Author:** [@MoRaafat](https://discourse.paraview.org/u/MoRaafat)\
**Replies:** 1\
**Last updated:** [October 7, 2020, 4:14pm UTC](https://discourse.paraview.org/t/scaling-data/5515 "2020-10-07T16:14:09Z")

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i imported data as CGNS. I want to scale the coordinate z when plotting a variable vs Z axis. i used the calculator filter but in vain.

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## [pvpython incompatible with argparse](https://discourse.paraview.org/t/pvpython-incompatible-with-argparse/5508)

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**Author:** [@Naeeme.dmo](https://discourse.paraview.org/u/Naeeme.dmo)\
**Replies:** 2\
**Last updated:** [October 7, 2020, 2:50pm UTC](https://discourse.paraview.org/t/pvpython-incompatible-with-argparse/5508 "2020-10-07T14:50:34Z")

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I am writing a python script which uses the argparse module and some paraview.simple functions and I am facing an odd problem. When the script has to exit due to lack of arguments for the parser, the terminal freezes. …

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## [AttributeError: 'vtkCommonDataModelPython.vtkPolyData' object has no attribute 'SetCells'](https://discourse.paraview.org/t/attributeerror-vtkcommondatamodelpython-vtkpolydata-object-has-no-attribute-setcells/5458)

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**Author:** [@Oier\_Arcelus](https://discourse.paraview.org/u/Oier_Arcelus)\
**Replies:** 1\
**Last updated:** [October 7, 2020, 4:53am UTC](https://discourse.paraview.org/t/attributeerror-vtkcommondatamodelpython-vtkpolydata-object-has-no-attribute-setcells/5458 "2020-10-07T04:53:35Z")

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Dear all, I have the following problem. I am trying to plot ellipsoidal particles from a molecular dynamics run. The original data is divided in the following blocks (if paraview LAMMPS dump file reader used) the dimens…

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## [Automatically Saving State and Disconnect from Server before Server Timeout](https://discourse.paraview.org/t/automatically-saving-state-and-disconnect-from-server-before-server-timeout/5500)

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**Author:** [@deankevin](https://discourse.paraview.org/u/deankevin)\
**Replies:** 1\
**Last updated:** [October 6, 2020, 10:52pm UTC](https://discourse.paraview.org/t/automatically-saving-state-and-disconnect-from-server-before-server-timeout/5500 "2020-10-06T22:52:51Z")

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Hello All, my name is Kevin. I have been working with the High Performance Computing and Modernization Program and have an issue I would like to ask about. Would it be a good idea to support automatic state saving upon …

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## [How can I make a new material or shader into ParaView?](https://discourse.paraview.org/t/how-can-i-make-a-new-material-or-shader-into-paraview/5502)

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**Author:** [@Jerry](https://discourse.paraview.org/u/Jerry)\
**Replies:** 0\
**Last updated:** [October 6, 2020, 12:55am UTC](https://discourse.paraview.org/t/how-can-i-make-a-new-material-or-shader-into-paraview/5502 "2020-10-06T00:55:46Z")

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I want to use some other material in ParaView. Now I found the only way can I make it is to open raytracing and using the material of Ospray. But I don’t want to use raytracing, I only want to use something in rasteriza…

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## [Calculate volume of tetrahedral mesh regions](https://discourse.paraview.org/t/calculate-volume-of-tetrahedral-mesh-regions/2609)

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**Author:** [@Hamburgerfinger](https://discourse.paraview.org/u/Hamburgerfinger)\
**Replies:** 4\
**Last updated:** [October 5, 2020, 7:27pm UTC](https://discourse.paraview.org/t/calculate-volume-of-tetrahedral-mesh-regions/2609 "2020-10-05T19:27:40Z")

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I have a tetrahedral mesh with different regions defined by common scalars. I’m trying to figure out how to use the ‘Cell Size’ filter to calculate the volume of each region, but right now I can only calculate the volum…

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## [Setting "Line Width" below 1?](https://discourse.paraview.org/t/setting-line-width-below-1/5475)

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**Author:** [@AhmedSalih3d](https://discourse.paraview.org/u/AhmedSalih3d)\
**Replies:** 4\
**Last updated:** [October 5, 2020, 4:40pm UTC](https://discourse.paraview.org/t/setting-line-width-below-1/5475 "2020-10-05T16:40:15Z")

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Hello! I can increase line width as I want, but if I try to set it below 1, it does not decrease? Is there anyway to force it to decrease. Kind regards

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