# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=91

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

**Page:** 92

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## [Fit splines to center of irregular 3d tube](https://discourse.paraview.org/t/fit-splines-to-center-of-irregular-3d-tube/10869)

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**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 0\
**Last updated:** [November 28, 2022, 7:01am UTC](https://discourse.paraview.org/t/fit-splines-to-center-of-irregular-3d-tube/10869 "2022-11-28T07:01:59Z")

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Dear everyone, I have a dataset with multiple structures which are shaped like irregular 3d tubes, I was wondering if it is possible to fit a spline through the approximate center of such structures (I have both isosurf…

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## [HDF5, xdmf and histogram plot](https://discourse.paraview.org/t/hdf5-xdmf-and-histogram-plot/10867)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 0\
**Last updated:** [November 28, 2022, 2:30am UTC](https://discourse.paraview.org/t/hdf5-xdmf-and-histogram-plot/10867 "2022-11-28T02:30:10Z")

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I wish to plot some histogram of data in a HDF5 file in ParaView. Is XDMF the way to achieve that ? Is it an overkill for simple histogram plots ? My data looks like this and I am interested in the histogram plotting th…

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## [Types of XDMF readers](https://discourse.paraview.org/t/types-of-xdmf-readers/1232)

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**Author:** [@Michael\_Jackson](https://discourse.paraview.org/u/Michael_Jackson)\
**Replies:** 1\
**Last updated:** [November 26, 2022, 8:18pm UTC](https://discourse.paraview.org/t/types-of-xdmf-readers/1232 "2022-11-26T20:18:05Z")

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We have noticed lately that when we drag our .xdmf files into ParaView 5.6.0 it now presents 3 different readers. XDMF, XDMF3ReaderS and XDMF3ReaderT. What is the difference between all of them? Is there something we can…

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## [Loguru caught a signal: SIGSEGV](https://discourse.paraview.org/t/loguru-caught-a-signal-sigsegv/10743)

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**Author:** [@Lipbyte](https://discourse.paraview.org/u/Lipbyte)\
**Replies:** 5\
**Last updated:** [November 25, 2022, 12:59pm UTC](https://discourse.paraview.org/t/loguru-caught-a-signal-sigsegv/10743 "2022-11-25T12:59:02Z")

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Hey all, I’m running Paraview version 5.10.1 on Ubuntu and I’m trying to compile a Python script that crashes at the command line trying to compile paraview.simple.TableToPoints with: Loguru caught a signal: SIGSEGV St…

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## [Question about settings on rescale](https://discourse.paraview.org/t/question-about-settings-on-rescale/10570)

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**Author:** [@Eloise](https://discourse.paraview.org/u/Eloise)\
**Replies:** 7\
**Last updated:** [November 25, 2022, 8:48am UTC](https://discourse.paraview.org/t/question-about-settings-on-rescale/10570 "2022-11-25T08:48:55Z")

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Hello, I am trying to create de default settings Paraview-UserSetting.json with some options I need but it does not seem to take it into account. I add the following line in my setting files: "settings" : …

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## [FileChooser filename format](https://discourse.paraview.org/t/filechooser-filename-format/10855)

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**Author:** [@hamid\_badi](https://discourse.paraview.org/u/hamid_badi)\
**Replies:** 0\
**Last updated:** [November 24, 2022, 1:05pm UTC](https://discourse.paraview.org/t/filechooser-filename-format/10855 "2022-11-24T13:05:46Z")

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Hello, I’m writing a python Paraview reader plugin, i have the following method in my reader class @smhint.filechooser(extensions="vtx", file\_description="My files") def SetFileName(self, name): self.\_file…

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## [Paraview crashes when clicking on 'Apply'](https://discourse.paraview.org/t/paraview-crashes-when-clicking-on-apply/10844)

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**Author:** [@Sandrine](https://discourse.paraview.org/u/Sandrine)\
**Replies:** 8\
**Last updated:** [November 24, 2022, 9:52am UTC](https://discourse.paraview.org/t/paraview-crashes-when-clicking-on-apply/10844 "2022-11-24T09:52:04Z")

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Hello, I am using a Linux-based computer (with NIVIDA GeForce RTX3070 Ti) and downloaded ParaView 5.10.1 (both with GUI and headless). Now I am trying to visualize 3D models with different composition (.vtr) with the Pa…

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## [Extracting plot over line data for all time steps](https://discourse.paraview.org/t/extracting-plot-over-line-data-for-all-time-steps/10850)

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**Author:** [@hr\_nt](https://discourse.paraview.org/u/hr_nt)\
**Replies:** 0\
**Last updated:** [November 24, 2022, 9:13am UTC](https://discourse.paraview.org/t/extracting-plot-over-line-data-for-all-time-steps/10850 "2022-11-24T09:13:14Z")

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Hello, I have conducted a multiphase simulation using openfoam. I am trying to extract the volume fraction across a channel (using plot over line). I now want to repeat the same for all time steps and save the data in a…

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## [Mouse control of new Camera Focal Point](https://discourse.paraview.org/t/mouse-control-of-new-camera-focal-point/10551)

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**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 5\
**Last updated:** [November 24, 2022, 3:35am UTC](https://discourse.paraview.org/t/mouse-control-of-new-camera-focal-point/10551 "2022-11-24T03:35:05Z")

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Hi there, I’m really enjoying making my videos in paraview so far, but I occasionally want to use to mouse to point the camera to a new location (updated focal point) without changing it’s current position. It seems lik…

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## [Is it possible to create a 6- or 9-array for Tensor Glyph from 1-arrays?](https://discourse.paraview.org/t/is-it-possible-to-create-a-6-or-9-array-for-tensor-glyph-from-1-arrays/10845)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 2\
**Last updated:** [November 23, 2022, 9:25pm UTC](https://discourse.paraview.org/t/is-it-possible-to-create-a-6-or-9-array-for-tensor-glyph-from-1-arrays/10845 "2022-11-23T21:25:23Z")

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In the dataset provided below I have individual arrays for the six components of the symmetric stress tensor. The code (MOOSE) used to create this dataset does not have the ability (to best of my knowledge) to output th…

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## [Searching for an appropriate File format for a PIC simulation](https://discourse.paraview.org/t/searching-for-an-appropriate-file-format-for-a-pic-simulation/10735)

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**Author:** [@olgidos](https://discourse.paraview.org/u/olgidos)\
**Replies:** 5\
**Last updated:** [November 23, 2022, 6:16pm UTC](https://discourse.paraview.org/t/searching-for-an-appropriate-file-format-for-a-pic-simulation/10735 "2022-11-23T18:16:14Z")

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Hello :slight\_smile: I want to play around with some plasma simulations → PIC Therefore I am considering ParaView as a result viewer. Not my questions is, what would be the best file formate to save my data? It needs…

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## [Could not read dimensions or extents from the file](https://discourse.paraview.org/t/could-not-read-dimensions-or-extents-from-the-file/10838)

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**Author:** [@Phempet07](https://discourse.paraview.org/u/Phempet07)\
**Replies:** 2\
**Last updated:** [November 23, 2022, 3:52am UTC](https://discourse.paraview.org/t/could-not-read-dimensions-or-extents-from-the-file/10838 "2022-11-23T03:52:15Z")

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I am having difficulty loading a set of vtk files in Paraview. Attached is the matlab code for the file and two vtk output files. time\_1.vtk (236.2 KB) time\_100.vtk (236.2 KB) write\_vtk\_grid\_values.m (1.8 KB)

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## [ExplodeMaterialCluster issue](https://discourse.paraview.org/t/explodematerialcluster-issue/10830)

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**Author:** [@Oier\_Arcelus](https://discourse.paraview.org/u/Oier_Arcelus)\
**Replies:** 2\
**Last updated:** [November 22, 2022, 2:25pm UTC](https://discourse.paraview.org/t/explodematerialcluster-issue/10830 "2022-11-22T14:25:47Z")

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Hi, I am having some issues with the DigitalRocksPhysics plugin. When I load the plugging and filter my volumetric data using the ExplodeMaterialCluster filter, I immediatelly get a response, and the pipeline is updated. …

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## [pvpython and multiprocess](https://discourse.paraview.org/t/pvpython-and-multiprocess/10771)

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**Author:** [@Stefano\_Godi](https://discourse.paraview.org/u/Stefano_Godi)\
**Replies:** 4\
**Last updated:** [November 22, 2022, 9:40am UTC](https://discourse.paraview.org/t/pvpython-and-multiprocess/10771 "2022-11-22T09:40:32Z")

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Hi, I’m trying to use the ProcessThreadPool class of python but I get the following error: Some resources might leak . I’m trying to understand if it’s because I run my python script under pvpython or not. What am I do…

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## [Volume representation as categories](https://discourse.paraview.org/t/volume-representation-as-categories/7262)

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**Author:** [@schupin](https://discourse.paraview.org/u/schupin)\
**Replies:** 5\
**Last updated:** [May 26, 2021, 1:38pm UTC](https://discourse.paraview.org/t/volume-representation-as-categories/7262 "2021-05-26T13:38:17Z")

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Hi, I’m trying to view an image file (.vti) in wich each areas are identified by a unsigned int value (between 1 and 500 for instance). Unidentified areas have 0 as value. When I use a volume representation of the data…

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## [Converting 3D model into 2D slices](https://discourse.paraview.org/t/converting-3d-model-into-2d-slices/10822)

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**Author:** [@Mahmoud994](https://discourse.paraview.org/u/Mahmoud994)\
**Replies:** 1\
**Last updated:** [November 21, 2022, 3:23pm UTC](https://discourse.paraview.org/t/converting-3d-model-into-2d-slices/10822 "2022-11-21T15:23:41Z")

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Hello, I’m new in Paraview and I would like to convert a 3D model into 2D Images as slices. Can anyone recommend me the functionality that I can use to do it? Best regards, Mahmoud

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## [FEM stress points in ParaView](https://discourse.paraview.org/t/fem-stress-points-in-paraview/10824)

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**Author:** [@raja](https://discourse.paraview.org/u/raja)\
**Replies:** 0\
**Last updated:** [November 20, 2022, 4:09am UTC](https://discourse.paraview.org/t/fem-stress-points-in-paraview/10824 "2022-11-20T04:09:39Z")

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In structyral FEM , the stress are giving in gauss points and exported to paraview. Is paraview is extrapolating the stress value at gauss point to nodla values

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## [Error in reading three D vector data](https://discourse.paraview.org/t/error-in-reading-three-d-vector-data/10807)

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**Author:** [@Hirshikesh\_Hirshikes](https://discourse.paraview.org/u/Hirshikesh_Hirshikes)\
**Replies:** 1\
**Last updated:** [November 21, 2022, 10:56am UTC](https://discourse.paraview.org/t/error-in-reading-three-d-vector-data/10807 "2022-11-21T10:56:34Z")

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I am trying to read vector data (3 dimensions). I am getting an error while reading however similar script works scalar data. Please find the attached .vtu file. phi1.vtu (2.0 KB)

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## [Selection Question](https://discourse.paraview.org/t/selection-question/10819)

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**Author:** [@Magician](https://discourse.paraview.org/u/Magician)\
**Replies:** 4\
**Last updated:** [November 21, 2022, 8:20am UTC](https://discourse.paraview.org/t/selection-question/10819 "2022-11-21T08:20:48Z")

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Hi Mathieu, A relevant or maybe irrelevant question: I tried to extract a set of points to form polyline with interactive point selection + ExtractSelection filter. It turned out that it forms correct point cloud, bu…

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## [egl-pvserver 5.11.0 MPI and OpenVDB](https://discourse.paraview.org/t/egl-pvserver-5-11-0-mpi-and-openvdb/10817)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 2\
**Last updated:** [November 21, 2022, 8:14am UTC](https://discourse.paraview.org/t/egl-pvserver-5-11-0-mpi-and-openvdb/10817 "2022-11-21T08:14:55Z")

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I am testing 5.11.0 Linux build I downloaded from the official site Loading OpenVDB files locally with ParaView 5.11.0 display fine Loading OpenVDB files remotely via a single instance of pvserver also display fine e.…

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## [How to extract point data from a circle polyline or other shape?](https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080)

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**Author:** [@aquanaut](https://discourse.paraview.org/u/aquanaut)\
**Replies:** 1\
**Last updated:** [August 11, 2020, 11:16am UTC](https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080 "2020-08-11T11:16:18Z")

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I want to extract a circle shaped point data from the surrounding rock of the excavation roadway. How to do that in paraview?Thanks.

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## [pvserver remote rendering disabled](https://discourse.paraview.org/t/pvserver-remote-rendering-disabled/10808)

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**Author:** [@axelwang](https://discourse.paraview.org/u/axelwang)\
**Replies:** 3\
**Last updated:** [November 21, 2022, 7:48am UTC](https://discourse.paraview.org/t/pvserver-remote-rendering-disabled/10808 "2022-11-21T07:48:06Z")

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Hey, I just set up pvserver on my cluster, but after connecting with my local client, I am always getting Display is not accessible on the server side. Remote rendering will be disabled. This makes the visualizatio…

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## [Convert model data (netcdf) to vtk in Python](https://discourse.paraview.org/t/convert-model-data-netcdf-to-vtk-in-python/10813)

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**Author:** [@\_Marco](https://discourse.paraview.org/u/_Marco)\
**Replies:** 0\
**Last updated:** [November 19, 2022, 10:29pm UTC](https://discourse.paraview.org/t/convert-model-data-netcdf-to-vtk-in-python/10813 "2022-11-19T22:29:40Z")

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Hi there. I am trying to convert my model data from netCDF to vtk, as the native format needs some post processing to be visualized correctly, namely the vertical topology needs to be manipulated. I had already achieved…

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## [Welcome to the ParaView discussion forum](https://discourse.paraview.org/t/welcome-to-the-paraview-discussion-forum/32)

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**Author:** [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)\
**Replies:** 0\
**Last updated:** [May 30, 2018, 3:14am UTC](https://discourse.paraview.org/t/welcome-to-the-paraview-discussion-forum/32 "2018-05-30T03:14:26Z")

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Welcome to the ParaView discussion forum! This forum is a place to discuss ParaView, ask questions about its use, share usage tips, and generally share knowledge about ParaView. All are welcome to participate. Participa…

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## [Lagrangian Particle Filter](https://discourse.paraview.org/t/lagrangian-particle-filter/10798)

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**Author:** [@vrkssai](https://discourse.paraview.org/u/vrkssai)\
**Replies:** 1\
**Last updated:** [November 18, 2022, 1:13pm UTC](https://discourse.paraview.org/t/lagrangian-particle-filter/10798 "2022-11-18T13:13:59Z")

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Hi I’m using the vtkLagrangianParticleTracking plugin on paraview and was wondering if I could find more information on the plugin. I would like to more about the equations/physics behind the implementation and correspo…

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## [How to add a reference line in visualization?](https://discourse.paraview.org/t/how-to-add-a-reference-line-in-visualization/10781)

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**Author:** [@axelwang](https://discourse.paraview.org/u/axelwang)\
**Replies:** 2\
**Last updated:** [November 18, 2022, 4:12am UTC](https://discourse.paraview.org/t/how-to-add-a-reference-line-in-visualization/10781 "2022-11-18T04:12:49Z")

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Hey, I want to simply add a reference line in my model like the following (where the line is hand-drawn): I have x, y, z coordinates of the line, and from what I can find about pyvtk it seems pyvtk.RectilinearGrid i…

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## [Data Axis appears distorted in 3D view](https://discourse.paraview.org/t/data-axis-appears-distorted-in-3d-view/10803)

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**Author:** [@jht51](https://discourse.paraview.org/u/jht51)\
**Replies:** 2\
**Last updated:** [November 18, 2022, 3:57am UTC](https://discourse.paraview.org/t/data-axis-appears-distorted-in-3d-view/10803 "2022-11-18T03:57:25Z")

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Hi, I am plotting a dataset in 3D and the ‘data axes grid’ appears distorted when I rotate in 3D. I’m running Paraview 5.9.0. But I have seen the same issue occur on 5.10.0. Below is an example of the data axes distorti…

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## [Hide mouse cursor](https://discourse.paraview.org/t/hide-mouse-cursor/10709)

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**Author:** [@lyz](https://discourse.paraview.org/u/lyz)\
**Replies:** 4\
**Last updated:** [November 17, 2022, 4:31pm UTC](https://discourse.paraview.org/t/hide-mouse-cursor/10709 "2022-11-17T16:31:55Z")

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How to hide mouse cursor?

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## [Adding the line "from paraview.simple import Show" to a reader, restore the default settings in paraview](https://discourse.paraview.org/t/adding-the-line-from-paraview-simple-import-show-to-a-reader-restore-the-default-settings-in-paraview/10791)

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**Author:** [@gv871](https://discourse.paraview.org/u/gv871)\
**Replies:** 4\
**Last updated:** [November 17, 2022, 3:45pm UTC](https://discourse.paraview.org/t/adding-the-line-from-paraview-simple-import-show-to-a-reader-restore-the-default-settings-in-paraview/10791 "2022-11-17T15:45:43Z")

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Hello, as you can see from the title I have a very strange behavior while trying to implement a new reader using a python plugin. When the reader is automatically loaded from the PV\_PLUGIN\_PATH after opening e closing …

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## [Component naming in a multi-component dataset in Programmable Filter](https://discourse.paraview.org/t/component-naming-in-a-multi-component-dataset-in-programmable-filter/10770)

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**Author:** [@Andrei](https://discourse.paraview.org/u/Andrei)\
**Replies:** 3\
**Last updated:** [November 17, 2022, 12:12pm UTC](https://discourse.paraview.org/t/component-naming-in-a-multi-component-dataset-in-programmable-filter/10770 "2022-11-17T12:12:15Z")

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How to rename the dataset components through the Programmable Filter (see figure)? In this case, access to numerical data is carried out by commands: input0 = inputs\[0\] data = input0.CellData\["S\_bot"\].Arrays\[1\] # T…

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