# Top

**URL:** https://discourse.paraview.org/top.md?page=157&period=all

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**Page:** 158

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## [Error when I open a vtu file](https://discourse.paraview.org/t/error-when-i-open-a-vtu-file/15511)

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**Author:** [@Giuseppe\_Sammarro](https://discourse.paraview.org/u/Giuseppe_Sammarro)\
**Replies:** 2\
**Last updated:** [October 8, 2024, 4:21pm UTC](https://discourse.paraview.org/t/error-when-i-open-a-vtu-file/15511 "2024-10-08T16:21:52Z")

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When i try to open a vtu file the program gives me this error: vtkXMLParser.cxx:375 ERR| vtkXMLDataParser (0x5583f50fd8a0): Error parsing XML in stream at line 20, column 0, byte index 855: not well-formed (invalid …

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## [State file question](https://discourse.paraview.org/t/state-file-question/15022)

<div class="topic-metadata">

**Author:** [@twilsonco](https://discourse.paraview.org/u/twilsonco)\
**Replies:** 3\
**Last updated:** [July 10, 2024, 7:38am UTC](https://discourse.paraview.org/t/state-file-question/15022 "2024-07-10T07:38:16Z")

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I thought the same thing. I’m having a similar problem and wonder if using relative paths would fix it. Although in my case, I tried using “Change file” for the input files and that also didn’t resolve anything so I’m a…

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## [programmable source failed to import text](https://discourse.paraview.org/t/programmable-source-failed-to-import-text/9501)

<div class="topic-metadata">

**Author:** [@wu\_ying](https://discourse.paraview.org/u/wu_ying)\
**Replies:** 0\
**Last updated:** [April 23, 2022, 2:05am UTC](https://discourse.paraview.org/t/programmable-source-failed-to-import-text/9501 "2022-04-23T02:05:42Z")

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programmable source failed to import text ERROR: In C:\\glr\\builds\\paraview\\paraview-ci\\build\\superbuild\\paraview\\src\\VTK\\Common\\ExecutionModel\\vtkDemandDrivenPipeline.cxx, line 668 vtkPVCompositeDataPipeline (000001C99…

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## [Axis Tick Properties](https://discourse.paraview.org/t/axis-tick-properties/5653)

<div class="topic-metadata">

**Author:** [@lll123](https://discourse.paraview.org/u/lll123)\
**Replies:** 0\
**Last updated:** [October 26, 2020, 10:38am UTC](https://discourse.paraview.org/t/axis-tick-properties/5653 "2020-10-26T10:38:45Z")

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Is there any way to change the axis tick mark linewidth and length?

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## [Struggling to generate xdmf particle data that paraview can read](https://discourse.paraview.org/t/struggling-to-generate-xdmf-particle-data-that-paraview-can-read/11852)

<div class="topic-metadata">

**Author:** [@Yurlungur](https://discourse.paraview.org/u/Yurlungur)\
**Replies:** 0\
**Last updated:** [April 11, 2023, 11:30pm UTC](https://discourse.paraview.org/t/struggling-to-generate-xdmf-particle-data-that-paraview-can-read/11852 "2023-04-11T23:30:35Z")

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Hello, I am trying to generate particle data (from a mixed grid-particle calculation) that Paraview can parse. Since we already use hdf5 for our file format, I tried to construct an xdmf file to describe the dataset. I a…

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## [Appending geometries smoothly](https://discourse.paraview.org/t/appending-geometries-smoothly/7824)

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**Author:** [@mozdil](https://discourse.paraview.org/u/mozdil)\
**Replies:** 0\
**Last updated:** [August 15, 2021, 9:58pm UTC](https://discourse.paraview.org/t/appending-geometries-smoothly/7824 "2021-08-15T21:58:17Z")

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Hi, I have a unstructured porous geometry. I want to create a new geometry with transforming and rotating existing geometry. Let’s say A to my first geometry. B is 90 degree rotated version of A. C is 90 degree rotated …

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## [visualizing vtk files](https://discourse.paraview.org/t/visualizing-vtk-files/4590)

<div class="topic-metadata">

**Author:** [@Arghavanizad](https://discourse.paraview.org/u/Arghavanizad)\
**Replies:** 0\
**Last updated:** [June 16, 2020, 10:37am UTC](https://discourse.paraview.org/t/visualizing-vtk-files/4590 "2020-06-16T10:37:04Z")

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Hi everyone, I have two vtk files(velocity and pressure of surface ) in my postprocessing folder and I want to visualize them in ParaView but I don’t know which specified tools for each of those files should use for a r…

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## [Change File Name in Pipeline on Load Stae](https://discourse.paraview.org/t/change-file-name-in-pipeline-on-load-stae/17529)

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**Author:** [@Matthew03](https://discourse.paraview.org/u/Matthew03)\
**Replies:** 0\
**Last updated:** [April 21, 2026, 2:52pm UTC](https://discourse.paraview.org/t/change-file-name-in-pipeline-on-load-stae/17529 "2026-04-21T14:52:47Z")

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I had a look and cannot find a feature request for this. When loading a state and selecting new files to replace the existing ones, I believe that there should be an option to automatically rename the file in the pipeli…

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## [vtk module not found while exporting as vtkjs](https://discourse.paraview.org/t/vtk-module-not-found-while-exporting-as-vtkjs/14458)

<div class="topic-metadata">

**Author:** [@Okarin99](https://discourse.paraview.org/u/Okarin99)\
**Replies:** 1\
**Last updated:** [April 27, 2024, 4:25pm UTC](https://discourse.paraview.org/t/vtk-module-not-found-while-exporting-as-vtkjs/14458 "2024-04-27T16:25:33Z")

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Hi, I’m trying to export a scene as vtkjs on my linux machine. I have created a new virtual environment using: python -m venv env Into my env/bin/activate script I have added these paths so that python finds the para…

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## [Save animation without opening paraview](https://discourse.paraview.org/t/save-animation-without-opening-paraview/11443)

<div class="topic-metadata">

**Author:** [@fieldofnodes](https://discourse.paraview.org/u/fieldofnodes)\
**Replies:** 1\
**Last updated:** [February 19, 2023, 6:45pm UTC](https://discourse.paraview.org/t/save-animation-without-opening-paraview/11443 "2023-02-19T18:45:36Z")

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I have a sate file taht works or paraview 5.6/5.7, since I upgraded Ubuntu to 22.04 and was trying to get python and paraview to work I reinstalled paraview. Now I am using paraview 5.10, but my psvm, pvd files don’t wor…

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## [Rendering truss structures using Tubes, with variable thickness](https://discourse.paraview.org/t/rendering-truss-structures-using-tubes-with-variable-thickness/16051)

<div class="topic-metadata">

**Author:** [@hendrik](https://discourse.paraview.org/u/hendrik)\
**Replies:** 2\
**Last updated:** [January 28, 2025, 10:31am UTC](https://discourse.paraview.org/t/rendering-truss-structures-using-tubes-with-variable-thickness/16051 "2025-01-28T10:31:30Z")

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I want to render a structure of trusses using the Tubes filter. Importantly, each truss has a different (scalar) thickness. My problem is that I cannot select a scalar property for the “Vary Radius” option. (The scalar d…

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## [Read 3D TIFF files as voxel-centered](https://discourse.paraview.org/t/read-3d-tiff-files-as-voxel-centered/17337)

<div class="topic-metadata">

**Author:** [@usiu5555](https://discourse.paraview.org/u/usiu5555)\
**Replies:** 4\
**Last updated:** [December 1, 2025, 4:25pm UTC](https://discourse.paraview.org/t/read-3d-tiff-files-as-voxel-centered/17337 "2025-12-01T16:25:13Z")

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When reading a tiff stack, Paraview reads it as point data and the voxel values are interpolated based on vertices’ values. When reading categorical data, such convention leads to visual artifacts. Is it possible to read…

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## [CMake error while build paraview from source on Windows](https://discourse.paraview.org/t/cmake-error-while-build-paraview-from-source-on-windows/16090)

<div class="topic-metadata">

**Author:** [@gsabhishek](https://discourse.paraview.org/u/gsabhishek)\
**Replies:** 4\
**Last updated:** [February 26, 2025, 4:03pm UTC](https://discourse.paraview.org/t/cmake-error-while-build-paraview-from-source-on-windows/16090 "2025-02-26T16:03:23Z")

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I am trying to build ParaView from source on windows with catalyst. ParaView Version : 5.13.0 set catalyst\_DIR=C:\\Tools\\Catalyst\\master cmake --fresh -G Ninja "C:\\Tools\\Paraview\\src" -DCMAKE\_BUILD\_TYPE=Release -DCMAKE\_…

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## [volSymmTensorFields Magnitude](https://discourse.paraview.org/t/volsymmtensorfields-magnitude/15617)

<div class="topic-metadata">

**Author:** [@Alimea](https://discourse.paraview.org/u/Alimea)\
**Replies:** 4\
**Last updated:** [October 23, 2024, 10:19am UTC](https://discourse.paraview.org/t/volsymmtensorfields-magnitude/15617 "2024-10-23T10:19:00Z")

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Hi I found that Paraview calculates a volSymmTensorFields Magnitude via the following relation: tau\_tot = (tau\_xx^2 + tau\_yy^2 + tau\_zz^2 + tau\_xy^2 + tau\_xz^2 + tau\_yz^2)^0.5 However, we know that the correct form of…

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## [AttributeError: 'vtkPythonStdStreamCaptureHelper' object has no attribute 'fileno'](https://discourse.paraview.org/t/attributeerror-vtkpythonstdstreamcapturehelper-object-has-no-attribute-fileno/15614)

<div class="topic-metadata">

**Author:** [@MengjiaoH](https://discourse.paraview.org/u/MengjiaoH)\
**Replies:** 5\
**Last updated:** [October 30, 2024, 6:55pm UTC](https://discourse.paraview.org/t/attributeerror-vtkpythonstdstreamcapturehelper-object-has-no-attribute-fileno/15614 "2024-10-30T18:55:43Z")

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I have a Python script that imports genericIO (hacc / GenericIO · GitLab) and uses its functions. The code runs successfully with standard Python, but I would like to incorporate functions from ParaView, which requires m…

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## [An example of .vts file](https://discourse.paraview.org/t/an-example-of-vts-file/16793)

<div class="topic-metadata">

**Author:** [@mdev](https://discourse.paraview.org/u/mdev)\
**Replies:** 3\
**Last updated:** [June 16, 2025, 6:03am UTC](https://discourse.paraview.org/t/an-example-of-vts-file/16793 "2025-06-16T06:03:18Z")

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Hello, Could anyone please provide me with a simple working example of .vts file? Thank you.

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## [Client Data render server setup issue: rendering not working as intended](https://discourse.paraview.org/t/client-data-render-server-setup-issue-rendering-not-working-as-intended/12101)

<div class="topic-metadata">

**Author:** [@Abhijeet\_Chodankar](https://discourse.paraview.org/u/Abhijeet_Chodankar)\
**Replies:** 0\
**Last updated:** [May 16, 2023, 1:04am UTC](https://discourse.paraview.org/t/client-data-render-server-setup-issue-rendering-not-working-as-intended/12101 "2023-05-16T01:04:57Z")

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I am trying to setup a client data render server setup. Having two seperate servers for data and rendering. however, an error shows up while viewing the volume ( 90.098s) \[pvrenderserver.0\] vtkPVRenderView.cxx:2043 …

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## [Problems with PVanimation..](https://discourse.paraview.org/t/problems-with-pvanimation/11948)

<div class="topic-metadata">

**Author:** [@rdeyhle](https://discourse.paraview.org/u/rdeyhle)\
**Replies:** 0\
**Last updated:** [April 21, 2023, 3:20pm UTC](https://discourse.paraview.org/t/problems-with-pvanimation/11948 "2023-04-21T15:20:14Z")

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Greetings, I am attempting to load .vti and.vtk files in a python script while loading a .pvsm file. I continue to receive these errors: File "C:\\Users\\deyhl\\anaconda3\\broncho-master\\PostProcess\\vol\_and\_div\\vol\_and\_div\_…

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## [Getting the 'TimeValue' from vtk.vtkXMLPPolyDataReader()](https://discourse.paraview.org/t/getting-the-timevalue-from-vtk-vtkxmlppolydatareader/11434)

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**Author:** [@abhinavsns](https://discourse.paraview.org/u/abhinavsns)\
**Replies:** 0\
**Last updated:** [February 18, 2023, 1:30pm UTC](https://discourse.paraview.org/t/getting-the-timevalue-from-vtk-vtkxmlppolydatareader/11434 "2023-02-18T13:30:25Z")

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I have vtk data files with the XML pvtp format. The pvtp file specifies the vtp pieces and the array names. It also consists of a Field data called ‘TimeValue’. Paraview has no problem reading the ‘TimeValue’ and gettin…

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## [Percolation Pathways](https://discourse.paraview.org/t/percolation-pathways/11000)

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**Author:** [@Jahanzeb\_Tariq](https://discourse.paraview.org/u/Jahanzeb_Tariq)\
**Replies:** 0\
**Last updated:** [December 16, 2022, 2:10am UTC](https://discourse.paraview.org/t/percolation-pathways/11000 "2022-12-16T02:10:36Z")

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Greeting… I’m new here. I request anyone to help me find the percolation pathways in Digital Rock Analysis using Paraview… I have been able to calculate permeability and I am doing this process through openPNM pore netwo…

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## [How to save the .obj file with connectivty regions included as groups?](https://discourse.paraview.org/t/how-to-save-the-obj-file-with-connectivty-regions-included-as-groups/5497)

<div class="topic-metadata">

**Author:** [@majksner](https://discourse.paraview.org/u/majksner)\
**Replies:** 0\
**Last updated:** [October 5, 2020, 1:28pm UTC](https://discourse.paraview.org/t/how-to-save-the-obj-file-with-connectivty-regions-included-as-groups/5497 "2020-10-05T13:28:08Z")

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Is there a way to save regions data as groups in .obj file after running connectivity filter. For example, I would like .obj file to looks like this if possible: g region0 v -0.001809 -0.000717 -0.000283 v -0.001816 -0…

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## [Difficulty with SPH database interpolation](https://discourse.paraview.org/t/difficulty-with-sph-database-interpolation/14393)

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**Author:** [@EchoEcho](https://discourse.paraview.org/u/EchoEcho)\
**Replies:** 1\
**Last updated:** [April 12, 2024, 7:26pm UTC](https://discourse.paraview.org/t/difficulty-with-sph-database-interpolation/14393 "2024-04-12T19:26:54Z")

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I found the pressure values in the flow around a cylinder using Computational Fluid Dynamics (specifically OpenFoam). I am trying to extract the pressures on the cylinder surface for Finite Element Analysis. Flow fie…

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## [Programmable Filter: IndexError: out of bounds: only for mpiexec](https://discourse.paraview.org/t/programmable-filter-indexerror-out-of-bounds-only-for-mpiexec/11082)

<div class="topic-metadata">

**Author:** [@Saang\_Bum\_Kim](https://discourse.paraview.org/u/Saang_Bum_Kim)\
**Replies:** 1\
**Last updated:** [December 30, 2022, 8:38am UTC](https://discourse.paraview.org/t/programmable-filter-indexerror-out-of-bounds-only-for-mpiexec/11082 "2022-12-30T08:38:06Z")

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I am using Paraview 5.11.0 on Ubuntu 22.04.1 LTS. I’m trying to add a new field data from a text file using a programmable filter. My ‘Programmable Filter (below)’ shows the following errors when it runs under parallel…

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## [Create a user defined dynamic point source](https://discourse.paraview.org/t/create-a-user-defined-dynamic-point-source/10664)

<div class="topic-metadata">

**Author:** [@Ouxid](https://discourse.paraview.org/u/Ouxid)\
**Replies:** 0\
**Last updated:** [November 3, 2022, 3:56am UTC](https://discourse.paraview.org/t/create-a-user-defined-dynamic-point-source/10664 "2022-11-03T03:56:05Z")

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Hello, I am having a tough time implementing what I thought was a simple idea. I would like to have a point source which properties (center, radius, number of points, etc.) are easily modifiable through a slider. This …

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## [Сhart animation](https://discourse.paraview.org/t/hart-animation/10253)

<div class="topic-metadata">

**Author:** [@logmclassrulit](https://discourse.paraview.org/u/logmclassrulit)\
**Replies:** 0\
**Last updated:** [September 5, 2022, 1:48pm UTC](https://discourse.paraview.org/t/hart-animation/10253 "2022-09-05T13:48:05Z")

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How to animate a lineplot depending on the 3D scene?

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## [Support in clipping 3D obj](https://discourse.paraview.org/t/support-in-clipping-3d-obj/13085)

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**Author:** [@Chm](https://discourse.paraview.org/u/Chm)\
**Replies:** 2\
**Last updated:** [October 24, 2023, 3:49pm UTC](https://discourse.paraview.org/t/support-in-clipping-3d-obj/13085 "2023-10-24T15:49:42Z")

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Dear Team, I need to cut only the part which starts inside the red circle and ends in the yellow line. How can i achieve that ? Thanks a lot

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## [Select point by ID](https://discourse.paraview.org/t/select-point-by-id/17183)

<div class="topic-metadata">

**Author:** [@Federico\_Feliziani](https://discourse.paraview.org/u/Federico_Feliziani)\
**Replies:** 4\
**Last updated:** [September 17, 2025, 9:27am UTC](https://discourse.paraview.org/t/select-point-by-id/17183 "2025-09-17T09:27:19Z")

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Hello everyone, How can I select a point in Paraview knowing its ID and export a CSV file containing the time histories of the variables associated with it?

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## [CGNS series](https://discourse.paraview.org/t/cgns-series/7249)

<div class="topic-metadata">

**Author:** [@mnataraj](https://discourse.paraview.org/u/mnataraj)\
**Replies:** 0\
**Last updated:** [May 18, 2021, 8:48pm UTC](https://discourse.paraview.org/t/cgns-series/7249 "2021-05-18T20:48:53Z")

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Hi, I have a list of cgns files names as file\_01.cgns, file\_02.cgns, file\_03.cgns etc. It is just time varying grid files. The time variable is not written into it. Is there a way paraview can load it as a group and ani…

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## [create physical groups for gmsh export](https://discourse.paraview.org/t/create-physical-groups-for-gmsh-export/17614)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 5\
**Last updated:** [July 6, 2026, 5:36pm UTC](https://discourse.paraview.org/t/create-physical-groups-for-gmsh-export/17614 "2026-07-06T17:36:59Z")

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Hello, I have a 3D volumetric mesh inside paraview, I would like to create the ‘physical groups’ of define the ‘boundaries groups’ to use it in a simulation. currently the mesh is only composed of hexahedrals. the physi…

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## [model creation and slicing using data points](https://discourse.paraview.org/t/model-creation-and-slicing-using-data-points/10323)

<div class="topic-metadata">

**Author:** [@varghese\_Mathew](https://discourse.paraview.org/u/varghese_Mathew)\
**Replies:** 1\
**Last updated:** [September 15, 2022, 11:36am UTC](https://discourse.paraview.org/t/model-creation-and-slicing-using-data-points/10323 "2022-09-15T11:36:12Z")

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hi i have a data set in format x y z htc with values as columns i want to import this in paraview, construct the 3d figure using x,y,z and slice and take htc value of slice at certain interval and plot . how to do t…

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## [how to kill wrongly run mpiexec server](https://discourse.paraview.org/t/how-to-kill-wrongly-run-mpiexec-server/17296)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 6\
**Last updated:** [November 7, 2025, 10:18am UTC](https://discourse.paraview.org/t/how-to-kill-wrongly-run-mpiexec-server/17296 "2025-11-07T10:18:26Z")

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Hello, i wanted to use in paraview in parallel (please if it is not the correct way, what would it be?). I have paraview 6.0.1 MPI-Linux-Python3.12-x86\_64 version downloaded from the tar file. first I run: mpiexec -…

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## [Slow Transient Load (~1.6m cells)](https://discourse.paraview.org/t/slow-transient-load-1-6m-cells/16351)

<div class="topic-metadata">

**Author:** [@fatihmtlm](https://discourse.paraview.org/u/fatihmtlm)\
**Replies:** 6\
**Last updated:** [March 24, 2025, 8:46am UTC](https://discourse.paraview.org/t/slow-transient-load-1-6m-cells/16351 "2025-03-24T08:46:43Z")

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Hi, I have external flow result files originally in Ensight Gold format, containing around 1.6 million polyhedral cells. I’ve tried multiple formats like .vtu, .pvtu, and of course Ensight Gold, but the loading time for …

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## [Color Tensor Glyph by distance of surface from center](https://discourse.paraview.org/t/color-tensor-glyph-by-distance-of-surface-from-center/11785)

<div class="topic-metadata">

**Author:** [@reox](https://discourse.paraview.org/u/reox)\
**Replies:** 0\
**Last updated:** [April 2, 2023, 2:15pm UTC](https://discourse.paraview.org/t/color-tensor-glyph-by-distance-of-surface-from-center/11785 "2023-04-02T14:15:02Z")

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I obtain a 2nd order tensor and want to display it in paraview. I already obtain the Eigenvalues and Eigenvectors and write them to a VTK file as an example: # vtk DataFile Version 2.0 Tensor Demo ASCII DATASET UNSTRUCT…

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## [Plot generic array over time](https://discourse.paraview.org/t/plot-generic-array-over-time/11542)

<div class="topic-metadata">

**Author:** [@abon](https://discourse.paraview.org/u/abon)\
**Replies:** 0\
**Last updated:** [March 1, 2023, 9:15am UTC](https://discourse.paraview.org/t/plot-generic-array-over-time/11542 "2023-03-01T09:15:22Z")

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Hello, I am a new user in using Paraview, I want to know how is it possible to plot over time of a generic array. Let me explain: I have been filtering data from a result provided by flow3D via python and I would like t…

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## [Paraview crashes when opening .vtk file](https://discourse.paraview.org/t/paraview-crashes-when-opening-vtk-file/10631)

<div class="topic-metadata">

**Author:** [@John007](https://discourse.paraview.org/u/John007)\
**Replies:** 0\
**Last updated:** [October 29, 2022, 8:14pm UTC](https://discourse.paraview.org/t/paraview-crashes-when-opening-vtk-file/10631 "2022-10-29T20:14:51Z")

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I cannot open paraview. I don’t know what went wrong. Could you please help me find the error.

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## [How to perform actor selection from Python?](https://discourse.paraview.org/t/how-to-perform-actor-selection-from-python/6778)

<div class="topic-metadata">

**Author:** [@jone](https://discourse.paraview.org/u/jone)\
**Replies:** 0\
**Last updated:** [March 24, 2021, 12:43am UTC](https://discourse.paraview.org/t/how-to-perform-actor-selection-from-python/6778 "2021-03-24T00:43:17Z")

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I know that we can select point and cell at present, so how to pick an actor? Just like VTK’s proppick did. But I can’t find this interface in simple or selection. If you know how, can you let me know? Thank you very muc…

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## [Issues with resolution Hp 840 G3 elitebook](https://discourse.paraview.org/t/issues-with-resolution-hp-840-g3-elitebook/4191)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [April 27, 2020, 2:55pm UTC](https://discourse.paraview.org/t/issues-with-resolution-hp-840-g3-elitebook/4191 "2020-04-27T14:55:59Z")

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(topic withdrawn by author, will be automatically deleted in 24 hours unless flagged)

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## [different ExtractEdges filter for every edge of a cell](https://discourse.paraview.org/t/different-extractedges-filter-for-every-edge-of-a-cell/2833)

<div class="topic-metadata">

**Author:** [@dolesch](https://discourse.paraview.org/u/dolesch)\
**Replies:** 0\
**Last updated:** [October 24, 2019, 9:09am UTC](https://discourse.paraview.org/t/different-extractedges-filter-for-every-edge-of-a-cell/2833 "2019-10-24T09:09:58Z")

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Hi all, is there a way to use the filter ExtractEdges to highlight only one edge of every cell? I have four cell-data values assigned for a certain edge. Therefore I require to colorize every element edge of a cell base…

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## [Showing legend precision](https://discourse.paraview.org/t/showing-legend-precision/16702)

<div class="topic-metadata">

**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 2\
**Last updated:** [May 26, 2025, 9:55pm UTC](https://discourse.paraview.org/t/showing-legend-precision/16702 "2025-05-26T21:55:57Z")

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Hi i want to show my legend from 0 to 0.0001 with showing digits after decimal place and no zeros after the 0 at the bottom of the legend. But if i choose a range label format it is applying that to both the bottom and t…

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## [Scipy for pvpython in windows](https://discourse.paraview.org/t/scipy-for-pvpython-in-windows/15678)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 2\
**Last updated:** [November 4, 2024, 9:14am UTC](https://discourse.paraview.org/t/scipy-for-pvpython-in-windows/15678 "2024-11-04T09:14:12Z")

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Dear support, I would like to use the library Scipy which is not available in paraview for windows. Would it be possible to install it? Thank you in advance for your time!

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## [Reader Inquiry](https://discourse.paraview.org/t/reader-inquiry/12916)

<div class="topic-metadata">

**Author:** [@cooldogs818](https://discourse.paraview.org/u/cooldogs818)\
**Replies:** 1\
**Last updated:** [September 24, 2023, 6:46pm UTC](https://discourse.paraview.org/t/reader-inquiry/12916 "2023-09-24T18:46:53Z")

</div>

I am relatively new to Paraview and am looking to make a custom HDF5 reader plugin for data that I am working with through Python. Any help on this would be appreciated.

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## [Number of Particles inside a scalar volume](https://discourse.paraview.org/t/number-of-particles-inside-a-scalar-volume/16174)

<div class="topic-metadata">

**Author:** [@gzodo](https://discourse.paraview.org/u/gzodo)\
**Replies:** 7\
**Last updated:** [March 9, 2025, 11:08am UTC](https://discourse.paraview.org/t/number-of-particles-inside-a-scalar-volume/16174 "2025-03-09T11:08:12Z")

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Hi, I have a simulation whereby I created a scalar of particles. In post processing when I went to paraview I could see the scalar volume but I am not able to know the number of particles in that volume. Could you kindly…

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## [ome-zarr](https://discourse.paraview.org/t/ome-zarr/16196)

<div class="topic-metadata">

**Author:** [@arnaudbore](https://discourse.paraview.org/u/arnaudbore)\
**Replies:** 3\
**Last updated:** [February 20, 2025, 2:29pm UTC](https://discourse.paraview.org/t/ome-zarr/16196 "2025-02-20T14:29:07Z")

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Dear experts, Maybe I missed it somewhere but Is there any plan to add a reader for ome-zarr (multi scale) data ? Thank you in advance Arnaud

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## [Example for creating custom views in ParaView](https://discourse.paraview.org/t/example-for-creating-custom-views-in-paraview/15130)

<div class="topic-metadata">

**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 3\
**Last updated:** [August 2, 2024, 1:36pm UTC](https://discourse.paraview.org/t/example-for-creating-custom-views-in-paraview/15130 "2024-08-02T13:36:59Z")

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Hi Community! Anyone knows if there are any examples or documentation that demonstrates the creation of a custom view in ParaView? For instance, creation of a webview.

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## [Unexpected exit when opening .xdmf files](https://discourse.paraview.org/t/unexpected-exit-when-opening-xdmf-files/14500)

<div class="topic-metadata">

**Author:** [@nikoleeaa](https://discourse.paraview.org/u/nikoleeaa)\
**Replies:** 3\
**Last updated:** [April 29, 2024, 6:40am UTC](https://discourse.paraview.org/t/unexpected-exit-when-opening-xdmf-files/14500 "2024-04-29T06:40:34Z")

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Hello ParaView Community, I’m experiencing an issue where ParaView crashes whenever I attempt to open an XDMF file. Here are the files： Thank you for your time and support.

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## [vthb file format](https://discourse.paraview.org/t/vthb-file-format/10213)

<div class="topic-metadata">

**Author:** [@ahdhn](https://discourse.paraview.org/u/ahdhn)\
**Replies:** 0\
**Last updated:** [August 29, 2022, 2:47pm UTC](https://discourse.paraview.org/t/vthb-file-format/10213 "2022-08-29T14:47:39Z")

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Where can I get the documentation for the vthb file format? I am not looking for “how to use VTK to visualize or write vthb files”. I am simply looking for vthb file specification—something like the specification for OBJ…

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## [Surface LIC centers](https://discourse.paraview.org/t/surface-lic-centers/9305)

<div class="topic-metadata">

**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 0\
**Last updated:** [March 29, 2022, 9:47am UTC](https://discourse.paraview.org/t/surface-lic-centers/9305 "2022-03-29T09:47:47Z")

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Dear everyone, Is there a way to extract the centers of the circles calculated using Surface LIC? I looked at it but there doesn’t seem to be some filter to do the job In the picture I draw the points that I would wan…

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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)

<div class="topic-metadata">

**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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## [Getting dataDir from myProtocol](https://discourse.paraview.org/t/getting-datadir-from-myprotocol/5989)

<div class="topic-metadata">

**Author:** [@Francesc\_Costa](https://discourse.paraview.org/u/Francesc_Costa)\
**Replies:** 0\
**Last updated:** [December 6, 2020, 10:20am UTC](https://discourse.paraview.org/t/getting-datadir-from-myprotocol/5989 "2020-12-06T10:20:37Z")

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Hello, How do I get \_Server.dataDir from my protocol? I want to have access to \_Server.dataDir stored in pvw-lite.py from lite\_protocols.py? Thanks, Francesc

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## [TensorPrincipalInvariants filter](https://discourse.paraview.org/t/tensorprincipalinvariants-filter/15830)

<div class="topic-metadata">

**Author:** [@Renato\_E\_Poli](https://discourse.paraview.org/u/Renato_E_Poli)\
**Replies:** 4\
**Last updated:** [February 28, 2025, 10:32pm UTC](https://discourse.paraview.org/t/tensorprincipalinvariants-filter/15830 "2025-02-28T22:32:06Z")

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Hi I am wondering if the expected behavior of the TensorPrincipalInvariants filter is to calculate the eigenvectors as sigma1(vector), sigma2(vector) and sigma3(vector). If so, I am not able to match the results in my …

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