# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=171

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**Page:** 172

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## [Misplaced arrows from glyph filter in 5.8.0 under Linux](https://discourse.paraview.org/t/misplaced-arrows-from-glyph-filter-in-5-8-0-under-linux/4160)

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**Author:** [@bg2b](https://discourse.paraview.org/u/bg2b)\
**Replies:** 11\
**Last updated:** [August 7, 2020, 1:24am UTC](https://discourse.paraview.org/t/misplaced-arrows-from-glyph-filter-in-5-8-0-under-linux/4160 "2020-08-07T01:24:53Z")

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I’ve run into some odd behavior with the glyph filter. When generating glyphs at all points, it seems to occasionally stick the arrows in the wrong spot. E.g., here’s a picture showing what I expect to see: If I fid…

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## [Creating custom Paraview Reader](https://discourse.paraview.org/t/creating-custom-paraview-reader/5027)

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**Author:** [@piv\_its](https://discourse.paraview.org/u/piv_its)\
**Replies:** 3\
**Last updated:** [August 6, 2020, 3:38pm UTC](https://discourse.paraview.org/t/creating-custom-paraview-reader/5027 "2020-08-06T15:38:29Z")

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Hello, I’m trying to create a custom Paraview Reader for netCFD files with 6 dimensions. The dimensions contain informations such as time, x/y - coordinates, velocity components (u,v,w) … I’m completly new in C++ Progra…

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## [Displacement Distribution of Particles](https://discourse.paraview.org/t/displacement-distribution-of-particles/5015)

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**Author:** [@deepakpawar2310](https://discourse.paraview.org/u/deepakpawar2310)\
**Replies:** 3\
**Last updated:** [August 6, 2020, 2:53pm UTC](https://discourse.paraview.org/t/displacement-distribution-of-particles/5015 "2020-08-06T14:53:24Z")

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I need to ask one question regarding the capability of Paraview to visualize the displacement of each particle or sort of displacement distribution of particles in the simulation (let’s say from initial configuration …

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## [Measure and export streamline length](https://discourse.paraview.org/t/measure-and-export-streamline-length/882)

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**Author:** [@Eliss](https://discourse.paraview.org/u/Eliss)\
**Replies:** 9\
**Last updated:** [August 6, 2020, 10:48am UTC](https://discourse.paraview.org/t/measure-and-export-streamline-length/882 "2020-08-06T10:48:17Z")

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Good morning. I want to measure the length of some stream lines of my simulation and export all of them together in a CSV file, do you know how I could do it?

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## [Expected punctuation token ')', found ~](https://discourse.paraview.org/t/expected-punctuation-token-found/5041)

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**Author:** [@mahmoodn](https://discourse.paraview.org/u/mahmoodn)\
**Replies:** 3\
**Last updated:** [August 6, 2020, 8:32am UTC](https://discourse.paraview.org/t/expected-punctuation-token-found/5041 "2020-08-06T08:32:16Z")

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Hi I have installed system paraview 4.4 which is available in the centos 7 repository. I have installed that because the Paraview 5.4 which comes with OpenFoam 6 has installation issues and I am not able to install that…

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## [Extracting paraviw data into arrays](https://discourse.paraview.org/t/extracting-paraviw-data-into-arrays/5001)

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**Author:** [@batz](https://discourse.paraview.org/u/batz)\
**Replies:** 4\
**Last updated:** [August 6, 2020, 7:05am UTC](https://discourse.paraview.org/t/extracting-paraviw-data-into-arrays/5001 "2020-08-06T07:05:11Z")

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Hi I have recently used the glyph filter to represent a 3D deformation image. The Deformation is presented with Arrows. I want to use the representation post-processed in Paraview, and to extract the initial and termin…

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## [trace recorder and camera](https://discourse.paraview.org/t/trace-recorder-and-camera/735)

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**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 7\
**Last updated:** [August 6, 2020, 7:31am UTC](https://discourse.paraview.org/t/trace-recorder-and-camera/735 "2020-08-06T07:31:00Z")

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The trace recorder does not record camera positions. Is this an oversight, or by design? How can a user find the camera position in a script? Thanks, Alan

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## [Run only one function in parallel with pvbatch](https://discourse.paraview.org/t/run-only-one-function-in-parallel-with-pvbatch/5031)

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**Author:** [@may.ghes](https://discourse.paraview.org/u/may.ghes)\
**Replies:** 9\
**Last updated:** [August 5, 2020, 2:38pm UTC](https://discourse.paraview.org/t/run-only-one-function-in-parallel-with-pvbatch/5031 "2020-08-05T14:38:54Z")

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I try to use pvbatch to optimize my post-processing code. In fact one method function of the code consists to slice a square into several squares keeping associated data. I wrote a multi threads version of this function …

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## [Render user data on an unstructured grid](https://discourse.paraview.org/t/render-user-data-on-an-unstructured-grid/4973)

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**Author:** [@Andrei](https://discourse.paraview.org/u/Andrei)\
**Replies:** 4\
**Last updated:** [August 5, 2020, 12:25pm UTC](https://discourse.paraview.org/t/render-user-data-on-an-unstructured-grid/4973 "2020-08-05T12:25:57Z")

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Please help how to render external user data on an unstructured grid (i.e. using colored surfaces as usual represent deformation, stress, velocity etc.) I imported the model into Paraview from another program, so I have…

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## [\[Paraview\] Is it possible to extract the coordinate of every points on a single streamline and do that for every single streamline?](https://discourse.paraview.org/t/paraview-is-it-possible-to-extract-the-coordinate-of-every-points-on-a-single-streamline-and-do-that-for-every-single-streamline/5030)

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**Author:** [@Xinyu\_Li](https://discourse.paraview.org/u/Xinyu_Li)\
**Replies:** 4\
**Last updated:** [August 5, 2020, 11:07am UTC](https://discourse.paraview.org/t/paraview-is-it-possible-to-extract-the-coordinate-of-every-points-on-a-single-streamline-and-do-that-for-every-single-streamline/5030 "2020-08-05T11:07:47Z")

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Hi. I plotted thousands of streamlines in Paraview as is shown in the following figure. Now I need to know the coordinate of every points on every single streamline. If I plot spreadsheet directly, all I can get is the …

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## [Time dependent clipping](https://discourse.paraview.org/t/time-dependent-clipping/5006)

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**Author:** [@arashgmn](https://discourse.paraview.org/u/arashgmn)\
**Replies:** 2\
**Last updated:** [August 5, 2020, 8:04am UTC](https://discourse.paraview.org/t/time-dependent-clipping/5006 "2020-08-05T08:04:57Z")

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I have an OpenFOAM simulation in which part of my domain rotates. I’m interested in field values within a box-window that is centered on the rotating part of my geometry and rotates with that. I know the rotation angle …

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## [Not able Run pvpython script (Request tips and tricks for paraview automate through pvpython )](https://discourse.paraview.org/t/not-able-run-pvpython-script-request-tips-and-tricks-for-paraview-automate-through-pvpython/1806)

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**Author:** [@sankar](https://discourse.paraview.org/u/sankar)\
**Replies:** 5\
**Last updated:** [August 5, 2020, 2:38am UTC](https://discourse.paraview.org/t/not-able-run-pvpython-script-request-tips-and-tricks-for-paraview-automate-through-pvpython/1806 "2020-08-05T02:38:54Z")

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Hello, We planning to automate paraview operation through pvpython.(ex.slice,clip,structural analysis for various object,mechanical behavior of object for various parameters) The thing is the above said operation are…

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## [Simple Module Import Error (Paraview 5.8)](https://discourse.paraview.org/t/simple-module-import-error-paraview-5-8/4842)

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**Author:** [@jclai](https://discourse.paraview.org/u/jclai)\
**Replies:** 3\
**Last updated:** [August 5, 2020, 1:41am UTC](https://discourse.paraview.org/t/simple-module-import-error-paraview-5-8/4842 "2020-08-05T01:41:47Z")

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I was following these directions and tried to import simple.py but was unsuccessful. I set my system variable PYTHONPATH to C:\\Program Files\\ParaView 5.8.0-Windows-Python3.7-msvc2015-64bit\\bin\\Lib\\site-packages\\paravie…

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## [ParaView Crushes in MPI mode](https://discourse.paraview.org/t/paraview-crushes-in-mpi-mode/5025)

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**Author:** [@A.S](https://discourse.paraview.org/u/A.S)\
**Replies:** 1\
**Last updated:** [August 4, 2020, 3:03pm UTC](https://discourse.paraview.org/t/paraview-crushes-in-mpi-mode/5025 "2020-08-04T15:03:26Z")

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Hello everyone, just encountered an unusual error paraview version 5.4.1 - installed from Ubuntu repository (Ubuntu 18.04.4 LTS) crushes upon the opening stack of TIFFs when MPI is on (see the error message below) if M…

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## [Export slice manipulate and re-import](https://discourse.paraview.org/t/export-slice-manipulate-and-re-import/5000)

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**Author:** [@Julian](https://discourse.paraview.org/u/Julian)\
**Replies:** 1\
**Last updated:** [August 4, 2020, 2:57pm UTC](https://discourse.paraview.org/t/export-slice-manipulate-and-re-import/5000 "2020-08-04T14:57:47Z")

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Hey there, I am looking for a way to export a slice, manipulate the U\_Magnitude value and re-import it again. So I exported a .csv of the slice and re-imported it now I get a grid with the point values: Is there a w…

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## [A quick question about plotting reference vector](https://discourse.paraview.org/t/a-quick-question-about-plotting-reference-vector/4993)

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**Author:** [@Sungho\_Lee](https://discourse.paraview.org/u/Sungho_Lee)\
**Replies:** 1\
**Last updated:** [August 4, 2020, 2:57pm UTC](https://discourse.paraview.org/t/a-quick-question-about-plotting-reference-vector/4993 "2020-08-04T14:57:13Z")

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Hello guys. I am a beginner of Paraview. I have a quick question about vector plotting. I plotted vectors using Glyph filter but I’d like to plot a reference vector for a legend of the vector together. However, I can…

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## [paraview-5.8 : Unknown CMake command "ADD\_PARAVIEW\_PLUGIN".](https://discourse.paraview.org/t/paraview-5-8-unknown-cmake-command-add-paraview-plugin/4834)

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**Author:** [@fghoussen](https://discourse.paraview.org/u/fghoussen)\
**Replies:** 4\
**Last updated:** [August 4, 2020, 2:53pm UTC](https://discourse.paraview.org/t/paraview-5-8-unknown-cmake-command-add-paraview-plugin/4834 "2020-08-04T14:53:50Z")

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Hi, Building plugin was OK with paraview-5.4.x. Moved to 5.8.0 and hit this : Unknown CMake command “ADD\_PARAVIEW\_PLUGIN”. In 5.4, INCLUDE(${PARAVIEW\_USE\_FILE}) was needed in CMakeLists.txt. In 5.8 cmake says “remove …

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## [Problem in building Paraview with superbuild on Linux os](https://discourse.paraview.org/t/problem-in-building-paraview-with-superbuild-on-linux-os/4956)

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**Author:** [@Superstarimage](https://discourse.paraview.org/u/Superstarimage)\
**Replies:** 1\
**Last updated:** [August 4, 2020, 1:16pm UTC](https://discourse.paraview.org/t/problem-in-building-paraview-with-superbuild-on-linux-os/4956 "2020-08-04T13:16:47Z")

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Dear All Hi, I am trying to build Paraview 5.8.0 on Linux os with superbuild. With the option mpi and qt5 on, I finally make the paraview sucessfully. Such as: But when I use the command \[sudo make install\], the Ubun…

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## [Exporting Delaunay triangulated volume to txt](https://discourse.paraview.org/t/exporting-delaunay-triangulated-volume-to-txt/4916)

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**Author:** [@rw20](https://discourse.paraview.org/u/rw20)\
**Replies:** 3\
**Last updated:** [August 4, 2020, 12:21pm UTC](https://discourse.paraview.org/t/exporting-delaunay-triangulated-volume-to-txt/4916 "2020-08-04T12:21:32Z")

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Hello, I have generated a 3D volume from a point cloud using the Delaunay 3D filter. I want to export the generated volume as a txt file. I can save the figure as txt file but it only lists the identification number for…

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## [View a tecplot (.tec) file in paraview](https://discourse.paraview.org/t/view-a-tecplot-tec-file-in-paraview/1574)

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**Author:** [@achodankar](https://discourse.paraview.org/u/achodankar)\
**Replies:** 6\
**Last updated:** [August 4, 2020, 12:15pm UTC](https://discourse.paraview.org/t/view-a-tecplot-tec-file-in-paraview/1574 "2020-08-04T12:15:21Z")

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ERROR: In /build/paraview-lH8wFv/paraview-5.4.1+dfsg3/VTK/IO/Geometry/vtkTecplotReader.cxx, line 1902 vtkTecplotReader (0x5565904a8710): /home/achodankar/Documents/Codes//momentum\_0.tec: The record type V1.0 found in th…

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## [Paraview Crash: Catalina 10.15.6](https://discourse.paraview.org/t/paraview-crash-catalina-10-15-6/4952)

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**Author:** [@Johnny\_Seales](https://discourse.paraview.org/u/Johnny_Seales)\
**Replies:** 4\
**Last updated:** [August 4, 2020, 12:14pm UTC](https://discourse.paraview.org/t/paraview-crash-catalina-10-15-6/4952 "2020-08-04T12:14:52Z")

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After updating to Catalina 10.15.6, paraview will open and allow me to open a \*.pvtr, but when I hit the apply button, Paraview shuts down. Update 1: Sent crash report to Apple.

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## [Window freeze](https://discourse.paraview.org/t/window-freeze/5019)

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**Author:** [@Philippe](https://discourse.paraview.org/u/Philippe)\
**Replies:** 2\
**Last updated:** [August 4, 2020, 4:52am UTC](https://discourse.paraview.org/t/window-freeze/5019 "2020-08-04T04:52:44Z")

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Hi, I just installed Paraview 5.8.0 on my plucky Windows 10 PC. I am a complete beginner, so I open the first example visualisation, the “can”. The GUI looks great. Then in the Pipeline browser, I click “Clip 1” (stu…

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## [Adding labels at specific XYZ locations](https://discourse.paraview.org/t/adding-labels-at-specific-xyz-locations/4971)

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**Author:** [@kss](https://discourse.paraview.org/u/kss)\
**Replies:** 1\
**Last updated:** [August 3, 2020, 8:36pm UTC](https://discourse.paraview.org/t/adding-labels-at-specific-xyz-locations/4971 "2020-08-03T20:36:15Z")

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Dear Paraview Experts, I am running multiple simulations of the same geometry and would like to create consistent plots to compare the results. I have already configured a state which generates most of the plots I am lo…

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## [Nan is legacy ascii files](https://discourse.paraview.org/t/nan-is-legacy-ascii-files/4972)

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**Author:** [@marios\_geo](https://discourse.paraview.org/u/marios_geo)\
**Replies:** 1\
**Last updated:** [August 3, 2020, 7:45pm UTC](https://discourse.paraview.org/t/nan-is-legacy-ascii-files/4972 "2020-08-03T19:45:18Z")

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Hi, I am reading some ascii vtk files, and based on the properties (on the SCALARS section of the file) I want to replace values less than a threshold to NaN. I read some previous posts and it seems that NaN is not supp…

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## [Using RuledSurfaceFilter in Paraview](https://discourse.paraview.org/t/using-ruledsurfacefilter-in-paraview/4994)

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**Author:** [@jared711](https://discourse.paraview.org/u/jared711)\
**Replies:** 2\
**Last updated:** [August 3, 2020, 7:03pm UTC](https://discourse.paraview.org/t/using-ruledsurfacefilter-in-paraview/4994 "2020-08-03T19:03:39Z")

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I’ve got a set of curves in space that follow a tube-like pattern, and I want to connect the lines with surfaces to create a solid walled tube. After some investigation, I found the RuledSurfaceFilter in VTK, but was dis…

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## [Display glyph scale reference](https://discourse.paraview.org/t/display-glyph-scale-reference/4979)

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**Author:** [@mbotto](https://discourse.paraview.org/u/mbotto)\
**Replies:** 1\
**Last updated:** [August 3, 2020, 5:47pm UTC](https://discourse.paraview.org/t/display-glyph-scale-reference/4979 "2020-08-03T17:47:35Z")

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When using either the Arrow or 2D Glyph as Glyph Type, is there some way to display a single arrow next to the plot as a scale reference? Here is an example of what I’m looking for (made with a different software), the a…

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## [Vertex data and point IDs](https://discourse.paraview.org/t/vertex-data-and-point-ids/4989)

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**Author:** [@rw20](https://discourse.paraview.org/u/rw20)\
**Replies:** 2\
**Last updated:** [August 3, 2020, 4:54pm UTC](https://discourse.paraview.org/t/vertex-data-and-point-ids/4989 "2020-08-03T16:54:31Z")

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Hello, I have uploaded a large point cloud into ParaView. After masking some of the points I have then generated a 3D Delaunay triangulated volume. From this I want data on the coordinates of the vertices and the vertic…

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## [Compiling ParaView with VTK\_USE\_X and VTK\_OPENGL\_HAS\_OSMESA simultaneously](https://discourse.paraview.org/t/compiling-paraview-with-vtk-use-x-and-vtk-opengl-has-osmesa-simultaneously/4843)

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**Author:** [@cbutcher](https://discourse.paraview.org/u/cbutcher)\
**Replies:** 2\
**Last updated:** [August 3, 2020, 3:07pm UTC](https://discourse.paraview.org/t/compiling-paraview-with-vtk-use-x-and-vtk-opengl-has-osmesa-simultaneously/4843 "2020-08-03T15:07:13Z")

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I’m having some difficulties building with VTK\_USE\_X=ON and VTK\_OPENGL\_HAS\_OSMESA=ON together as described at this link: ParaView Docs - Offscreen. Utkarsh Ayachit (in this thread: osmesa linking problems) suggested tha…

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## [Helping script ways to set a view in a non-axis aligned direction](https://discourse.paraview.org/t/helping-script-ways-to-set-a-view-in-a-non-axis-aligned-direction/5007)

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**Author:** [@Andy\_Bauer](https://discourse.paraview.org/u/Andy_Bauer)\
**Replies:** 2\
**Last updated:** [August 3, 2020, 2:45pm UTC](https://discourse.paraview.org/t/helping-script-ways-to-set-a-view-in-a-non-axis-aligned-direction/5007 "2020-08-03T14:45:27Z")

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Is there a convenient way to script looking in a pre-specified view direction that’s not axis aligned? This is coming up a decent number of times with my users. As an example, a user is clipping some data and wants to lo…

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## [Is vtkUnstructuredGrid part of vtkDataSet](https://discourse.paraview.org/t/is-vtkunstructuredgrid-part-of-vtkdataset/4988)

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**Author:** [@dannykhf](https://discourse.paraview.org/u/dannykhf)\
**Replies:** 2\
**Last updated:** [August 3, 2020, 5:45am UTC](https://discourse.paraview.org/t/is-vtkunstructuredgrid-part-of-vtkdataset/4988 "2020-08-03T05:45:56Z")

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I have a clipped data set called vtk\_data. It is a vtkUnstructuredGrid type print(vtk\_data.GetDataInformation(0).GetDataClassName()) \>\> vtkUnstructuredGrid When I check if it is ‘vtkDataSet’ it returns 0 vtk\_data.GetD…

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