# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=132

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

**Page:** 133

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## [Not able to import paraview.simple module on windows](https://discourse.paraview.org/t/not-able-to-import-paraview-simple-module-on-windows/537)

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**Author:** [@foadsf](https://discourse.paraview.org/u/foadsf)\
**Replies:** 20\
**Last updated:** [September 3, 2021, 1:16pm UTC](https://discourse.paraview.org/t/not-able-to-import-paraview-simple-module-on-windows/537 "2021-09-03T13:16:16Z")

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Hello everybody, My first post here. I first asked my question here on StackOverflow, and then I was told to come here. To solve my own problem I’m trying to follow this documentation. According to that page I have to a…

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## [Isosurface extraction based on condition](https://discourse.paraview.org/t/isosurface-extraction-based-on-condition/7921)

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**Author:** [@Akash](https://discourse.paraview.org/u/Akash)\
**Replies:** 8\
**Last updated:** [September 3, 2021, 11:43am UTC](https://discourse.paraview.org/t/isosurface-extraction-based-on-condition/7921 "2021-09-03T11:43:20Z")

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These are isosurface with plot of alpha\_water on them. How to remove the surface that is fully blue(alpha\_water\<0.2). If the surface has mix of blue and red I need those surfaces. In “Find data” tool we can choose cells/…

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## [Find Cell Data - Based on csv file](https://discourse.paraview.org/t/find-cell-data-based-on-csv-file/7923)

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**Author:** [@Graham](https://discourse.paraview.org/u/Graham)\
**Replies:** 6\
**Last updated:** [September 3, 2021, 9:49am UTC](https://discourse.paraview.org/t/find-cell-data-based-on-csv-file/7923 "2021-09-03T09:49:48Z")

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I want to extract only cells below the white line. The white line is from a csv file I used “TabletoPoint” to get the plot. The csv file has two columns with x and y locations. I have an idea but idk how to execute it. …

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## [Unable to get working server build for GPU based rendering through EGL](https://discourse.paraview.org/t/unable-to-get-working-server-build-for-gpu-based-rendering-through-egl/7891)

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**Author:** [@bastian](https://discourse.paraview.org/u/bastian)\
**Replies:** 2\
**Last updated:** [September 3, 2021, 9:20am UTC](https://discourse.paraview.org/t/unable-to-get-working-server-build-for-gpu-based-rendering-through-egl/7891 "2021-09-03T09:20:56Z")

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Dear all, I intend to batch-render on the GPU nodes of my HPC by submitting non-interactive SLURM jobs, but I am a little stuck getting it running: Here is what I tried: 1. Use the Paraview module provided by the HPC…

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## [Custom 3D interaction options](https://discourse.paraview.org/t/custom-3d-interaction-options/7925)

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**Author:** [@pavanr05](https://discourse.paraview.org/u/pavanr05)\
**Replies:** 1\
**Last updated:** [September 3, 2021, 8:07am UTC](https://discourse.paraview.org/t/custom-3d-interaction-options/7925 "2021-09-03T08:07:59Z")

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Hello, I am using ParaView 5.9.1 on a Linux system. I had a few questions about the camera movements in 3D interaction. Is there an option to add a custom camera movement? Presently, the ‘multi-rotate’ option changes …

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## [mpiexec of pvserver on hosts that are firewalled off to each other ?](https://discourse.paraview.org/t/mpiexec-of-pvserver-on-hosts-that-are-firewalled-off-to-each-other/7910)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 3\
**Last updated:** [September 3, 2021, 7:33am UTC](https://discourse.paraview.org/t/mpiexec-of-pvserver-on-hosts-that-are-firewalled-off-to-each-other/7910 "2021-09-03T07:33:49Z")

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I have a number of GPU hosts (hostA, hostB and hostC) which are only accessible via ssh The following works hostA$ ssh hostB ls hostA$ ssh hostC ls hostA$ mpiexec -hosts hostA /nfs/path/pvserver The following does not…

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## [saving state with multiple views](https://discourse.paraview.org/t/saving-state-with-multiple-views/7927)

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**Author:** [@icebreakersours](https://discourse.paraview.org/u/icebreakersours)\
**Replies:** 2\
**Last updated:** [September 3, 2021, 7:25am UTC](https://discourse.paraview.org/t/saving-state-with-multiple-views/7927 "2021-09-03T07:25:00Z")

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Hello: After attempting things on my own, googling, and looking through the archives here, I finally registered on this site to post my question. I am new to ParaView (v5.9.1 on Windows 10) and I am still working my way…

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## [Q Criterion - Gradient of Unstructured Data set NOT Working](https://discourse.paraview.org/t/q-criterion-gradient-of-unstructured-data-set-not-working/7916)

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**Author:** [@Akash](https://discourse.paraview.org/u/Akash)\
**Replies:** 6\
**Last updated:** [September 3, 2021, 6:13am UTC](https://discourse.paraview.org/t/q-criterion-gradient-of-unstructured-data-set-not-working/7916 "2021-09-03T06:13:03Z")

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I have a CSV file with three cols having velocity magnitude. I reconstructed the velocity vector using the calculator : U:0iHat+U:1jHat+U:2\*kHat . Then I applied “Gradient of Unstructured Data set” filter to calc QCrite…

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## [Displaying data outside the color map](https://discourse.paraview.org/t/displaying-data-outside-the-color-map/7915)

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**Author:** [@Andrei](https://discourse.paraview.org/u/Andrei)\
**Replies:** 2\
**Last updated:** [September 3, 2021, 5:45am UTC](https://discourse.paraview.org/t/displaying-data-outside-the-color-map/7915 "2021-09-03T05:45:47Z")

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Dear Colleagues! How to force areas outside the range of the color map appear differently (for example, gray fill)

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## [Paraview Building on Ubuntu 21.04 on arm64 fails at not finding xmlpatterns](https://discourse.paraview.org/t/paraview-building-on-ubuntu-21-04-on-arm64-fails-at-not-finding-xmlpatterns/7880)

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**Author:** [@Root-voidX](https://discourse.paraview.org/u/Root-voidX)\
**Replies:** 2\
**Last updated:** [September 2, 2021, 8:11pm UTC](https://discourse.paraview.org/t/paraview-building-on-ubuntu-21-04-on-arm64-fails-at-not-finding-xmlpatterns/7880 "2021-09-02T20:11:28Z")

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Dear friends, So I’m trying to build paraview from source on ubuntu 21.04 arm64. I have downloaded all pre-requisites and tried to built with options such as qt gui support, python support and ffmpeg. No mpi yet, howe…

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## [data out of range using pvtr file](https://discourse.paraview.org/t/data-out-of-range-using-pvtr-file/7489)

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**Author:** [@yannf](https://discourse.paraview.org/u/yannf)\
**Replies:** 6\
**Last updated:** [September 2, 2021, 1:57pm UTC](https://discourse.paraview.org/t/data-out-of-range-using-pvtr-file/7489 "2021-09-02T13:57:03Z")

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Hi, I have some problem with the latest versions of Paraview (from 5.8 at least) . When I load data from a pvtr file, data are out of range (-1E+38 , 1E+38). All is right when I directly load data from vtr files (files …

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## [Memory Inspector and Client System Properties do not match](https://discourse.paraview.org/t/memory-inspector-and-client-system-properties-do-not-match/7907)

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**Author:** [@bkcampb](https://discourse.paraview.org/u/bkcampb)\
**Replies:** 1\
**Last updated:** [September 2, 2021, 8:19am UTC](https://discourse.paraview.org/t/memory-inspector-and-client-system-properties-do-not-match/7907 "2021-09-02T08:19:54Z")

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I currently have ParaView 5.4.1-Qt5-OpenGL2-Windows-64bit installed on my machine. The machine has two Intel Xeon CPUs (18 cores/cpus…36 total on the machine) and 575GB of physical memory (617 total virtual memory). Wh…

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## [Parallel data import/rendering](https://discourse.paraview.org/t/parallel-data-import-rendering/7904)

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**Author:** [@bkcampb](https://discourse.paraview.org/u/bkcampb)\
**Replies:** 1\
**Last updated:** [September 2, 2021, 8:09am UTC](https://discourse.paraview.org/t/parallel-data-import-rendering/7904 "2021-09-02T08:09:43Z")

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I’m a little confused about what is required to do parallel data imports/rendering with ParaView. I’m running on a windows machine that has 36 cores (72 logical processors), an NVIDIA Quadro P4000 GPU, and 575GB of memo…

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## [pvpluginbuilder fails to find python](https://discourse.paraview.org/t/pvpluginbuilder-fails-to-find-python/7881)

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**Author:** [@anthomas](https://discourse.paraview.org/u/anthomas)\
**Replies:** 7\
**Last updated:** [September 2, 2021, 7:42am UTC](https://discourse.paraview.org/t/pvpluginbuilder-fails-to-find-python/7881 "2021-09-02T07:42:32Z")

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I was able to successfully build paraview superbuild v5.9.0 with the pv plugin builder on linux. I attempted to build my plugin and received this error message: Any help would be appreciated

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## [Install Paraview 5.8](https://discourse.paraview.org/t/install-paraview-5-8/4148)

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**Author:** [@victorof](https://discourse.paraview.org/u/victorof)\
**Replies:** 5\
**Last updated:** [September 2, 2021, 4:33am UTC](https://discourse.paraview.org/t/install-paraview-5-8/4148 "2021-09-02T04:33:11Z")

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Dear ParaView technical support, I’m new at linux and Paraview. I would like to execute ParaView 5.8 from the terminal, but every time I try to use “paraview” command, it tells me to execute “sudo apt install ParaView”,…

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## [How can I plot a result over time on a moving point](https://discourse.paraview.org/t/how-can-i-plot-a-result-over-time-on-a-moving-point/7894)

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**Author:** [@babouletatou](https://discourse.paraview.org/u/babouletatou)\
**Replies:** 18\
**Last updated:** [September 1, 2021, 2:40pm UTC](https://discourse.paraview.org/t/how-can-i-plot-a-result-over-time-on-a-moving-point/7894 "2021-09-01T14:40:59Z")

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Hi, My problem is this one: I have a moving geometry and an adaptative mesh. I would like to measure the pressure over time on a certain point: so I use Probe Location, then I select the Point I just created and then p…

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## [Issues with running pvpython](https://discourse.paraview.org/t/issues-with-running-pvpython/7900)

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**Author:** [@harikaushik10](https://discourse.paraview.org/u/harikaushik10)\
**Replies:** 4\
**Last updated:** [September 1, 2021, 9:34am UTC](https://discourse.paraview.org/t/issues-with-running-pvpython/7900 "2021-09-01T09:34:26Z")

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Ubuntu Version - 18.04 Python Version - 2.7.17 Python3 Version - 3.6.9 VTK version - I’m trying to use pvpython to run a python script to write out .pvd and .vtu files, however pvpython opens with the 2.7.17 version …

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## [Delaunay 2D connecting wrong points](https://discourse.paraview.org/t/delaunay-2d-connecting-wrong-points/7885)

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**Author:** [@Diogo\_Cecilio](https://discourse.paraview.org/u/Diogo_Cecilio)\
**Replies:** 1\
**Last updated:** [September 1, 2021, 2:18am UTC](https://discourse.paraview.org/t/delaunay-2d-connecting-wrong-points/7885 "2021-09-01T02:18:32Z")

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Hello, I’m trying to coloring of a flat surface from a data in a four columns (x, y, z, scalar) .csv format (Dropbox - sqrtJ2SRM-Determ.csv - Simplify your life). I open the .csv file and use the filters “Table To Poin…

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## [Building Paraview "from scratch" in order to use a custom plugin](https://discourse.paraview.org/t/building-paraview-from-scratch-in-order-to-use-a-custom-plugin/4233)

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**Author:** [@npillai2](https://discourse.paraview.org/u/npillai2)\
**Replies:** 44\
**Last updated:** [August 31, 2021, 11:47am UTC](https://discourse.paraview.org/t/building-paraview-from-scratch-in-order-to-use-a-custom-plugin/4233 "2021-08-31T11:47:22Z")

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Hi all, I’m not sure if this is a common request/issue (I’d assume it is?), but I desperately need help with building and installing paraview on a remote linux cluster. I have spent just over two long days trying to bu…

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## [Not able to load 3D volume of Dicom Dataset](https://discourse.paraview.org/t/not-able-to-load-3d-volume-of-dicom-dataset/7636)

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**Author:** [@pranaysingh25](https://discourse.paraview.org/u/pranaysingh25)\
**Replies:** 2\
**Last updated:** [August 30, 2021, 10:09am UTC](https://discourse.paraview.org/t/not-able-to-load-3d-volume-of-dicom-dataset/7636 "2021-08-30T10:09:21Z")

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Hi, We are new to Paraview but our team has some experience working with other softwares like 3D Slicer, Pyvista, etc. I wanted to try Paraview which looks like an easy to use and very helpful tool for our visualizatio…

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## [Not able to load 3D view of Dicom dataset](https://discourse.paraview.org/t/not-able-to-load-3d-view-of-dicom-dataset/7619)

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**Author:** [@pranaysingh25](https://discourse.paraview.org/u/pranaysingh25)\
**Replies:** 4\
**Last updated:** [August 30, 2021, 10:04am UTC](https://discourse.paraview.org/t/not-able-to-load-3d-view-of-dicom-dataset/7619 "2021-08-30T10:04:40Z")

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Hi, We are new to Paraview but our team has some experience working with other softwares like 3D Slicer, Pyvista, etc. I wanted to try Paraview which looks like an easy to use and very helpful tool for our visualizatio…

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## [TCC Mode](https://discourse.paraview.org/t/tcc-mode/7883)

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**Author:** [@adam-grant-hendry](https://discourse.paraview.org/u/adam-grant-hendry)\
**Replies:** 1\
**Last updated:** [August 30, 2021, 7:34am UTC](https://discourse.paraview.org/t/tcc-mode/7883 "2021-08-30T07:34:20Z")

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Can ParaView NVIDIA IndeX or (Intel) OSPRay use an NVIDIA GPU that is in TCC mode instead of WDDM mode?

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## [How to plot flooding zeros data?](https://discourse.paraview.org/t/how-to-plot-flooding-zeros-data/7875)

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**Author:** [@aquanaut](https://discourse.paraview.org/u/aquanaut)\
**Replies:** 1\
**Last updated:** [August 28, 2021, 9:06am UTC](https://discourse.paraview.org/t/how-to-plot-flooding-zeros-data/7875 "2021-08-28T09:06:06Z")

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The sizes may be too large that the plot is so ugly. How can plot these data to smooth the isosurface? data11.csv (2.1 KB) data22.csv (23.6 KB) Thank you very much.

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## [Cannot apply any filter](https://discourse.paraview.org/t/cannot-apply-any-filter/7874)

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**Author:** [@1113](https://discourse.paraview.org/u/1113)\
**Replies:** 2\
**Last updated:** [August 27, 2021, 6:56pm UTC](https://discourse.paraview.org/t/cannot-apply-any-filter/7874 "2021-08-27T18:56:08Z")

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Hi, I imported segmentation file from itk-SNAP in vtk format in Paraview(ver 5.9.1). Every filter looks in gray and is not applicable to my model Also when I put the cursor on contour filter icon, ‘Requires an inpu…

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## [Understanding how to build a vtkUnstructuredGrid](https://discourse.paraview.org/t/understanding-how-to-build-a-vtkunstructuredgrid/7879)

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**Author:** [@mdorier](https://discourse.paraview.org/u/mdorier)\
**Replies:** 4\
**Last updated:** [August 27, 2021, 4:34pm UTC](https://discourse.paraview.org/t/understanding-how-to-build-a-vtkunstructuredgrid/7879 "2021-08-27T16:34:27Z")

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I’m new to working with unstructured grids. I am reading some files with the meshio python package, which gives me a mesh object. I can extract numpy arrays from this mesh object, and pass them to a C++ library that I ma…

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## [how to create input file with sensors time series data](https://discourse.paraview.org/t/how-to-create-input-file-with-sensors-time-series-data/7877)

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**Author:** [@filippo](https://discourse.paraview.org/u/filippo)\
**Replies:** 0\
**Last updated:** [August 27, 2021, 8:07am UTC](https://discourse.paraview.org/t/how-to-create-input-file-with-sensors-time-series-data/7877 "2021-08-27T08:07:42Z")

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Hello, I am a newbie but I didn’t find an answer to my problem. I have a geometric 3d model (a building) with: many different types of sensors; some with a vector measure (pendulum, topographic), the other scalar; D…

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## [Error when loading a vtp file "cannot read points array"](https://discourse.paraview.org/t/error-when-loading-a-vtp-file-cannot-read-points-array/7856)

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**Author:** [@JOJO](https://discourse.paraview.org/u/JOJO)\
**Replies:** 7\
**Last updated:** [August 26, 2021, 11:40am UTC](https://discourse.paraview.org/t/error-when-loading-a-vtp-file-cannot-read-points-array/7856 "2021-08-26T11:40:31Z")

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Hi, everyone. I got the error below when I am trying to open a vtp file. I have check the vtk\_header and the file size. Unfortunately, I cannot find anything wrong. How to fix this problem. Regards

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## [Colourization and screenshot](https://discourse.paraview.org/t/colourization-and-screenshot/7869)

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**Author:** [@Corentin](https://discourse.paraview.org/u/Corentin)\
**Replies:** 1\
**Last updated:** [August 26, 2021, 11:19am UTC](https://discourse.paraview.org/t/colourization-and-screenshot/7869 "2021-08-26T11:19:00Z")

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Hi there ! I’m trying to make screenshots of slices, coloured from the velocities of my simulations (in grayscale), but I can’t change the number of colours that discretize my range of velocities (more than 256), does a…

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## [how to delete the source of glyph filter](https://discourse.paraview.org/t/how-to-delete-the-source-of-glyph-filter/7850)

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**Author:** [@sofeiya2021](https://discourse.paraview.org/u/sofeiya2021)\
**Replies:** 2\
**Last updated:** [August 26, 2021, 7:18am UTC](https://discourse.paraview.org/t/how-to-delete-the-source-of-glyph-filter/7850 "2021-08-26T07:18:11Z")

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my source is flux.pvd this is the glyph filter results from flux.pvd I just want to keep glyph1. How should flux.pvd be deleted

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## [NVIDIA IndeX and Volume rendering in ParaView 5.9.0](https://discourse.paraview.org/t/nvidia-index-and-volume-rendering-in-paraview-5-9-0/7861)

<div class="topic-metadata">

**Author:** [@kirit\_101](https://discourse.paraview.org/u/kirit_101)\
**Replies:** 3\
**Last updated:** [August 25, 2021, 8:44pm UTC](https://discourse.paraview.org/t/nvidia-index-and-volume-rendering-in-paraview-5-9-0/7861 "2021-08-25T20:44:05Z")

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Hi: I am using ParaView 5.9.0 for CONVERGE output files ( h5 format). These data are cell arrays, I am converting that to point data using CellDatatoPointData filter. My goal is to perform volume rendering. I don’t see …

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