# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=22

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**Page:** 23

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## [error reading pvti in paraview](https://discourse.paraview.org/t/error-reading-pvti-in-paraview/16229)

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**Author:** [@aliz2](https://discourse.paraview.org/u/aliz2)\
**Replies:** 0\
**Last updated:** [February 24, 2025, 9:26am UTC](https://discourse.paraview.org/t/error-reading-pvti-in-paraview/16229 "2025-02-24T09:26:20Z")

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Hi there, I’m trying to generate vtk image data in parallel (pvti) to read from series of vti files written by vtk.vtkXMLImageDataWriter() from 2d numpy arrays but getting below error related to extent: ERROR: In vtkXM…

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## [Visualization of Heat Conduction in Spheres Using Concentric Shells in ParaView](https://discourse.paraview.org/t/visualization-of-heat-conduction-in-spheres-using-concentric-shells-in-paraview/16187)

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**Author:** [@E-ray96](https://discourse.paraview.org/u/E-ray96)\
**Replies:** 5\
**Last updated:** [February 24, 2025, 8:42am UTC](https://discourse.paraview.org/t/visualization-of-heat-conduction-in-spheres-using-concentric-shells-in-paraview/16187 "2025-02-24T08:42:19Z")

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I have two spheres, which we will call “spheres” and “spheres2.” They are initially defined in two ways: first, via .csv files containing “position.x, position.y, position.z, boundingRadius,” and second, via .pt files. T…

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## [animation of time series pvd data file](https://discourse.paraview.org/t/animation-of-time-series-pvd-data-file/16184)

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**Author:** [@Madan\_B\_K](https://discourse.paraview.org/u/Madan_B_K)\
**Replies:** 4\
**Last updated:** [February 22, 2025, 4:43am UTC](https://discourse.paraview.org/t/animation-of-time-series-pvd-data-file/16184 "2025-02-22T04:43:08Z")

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Hi everyone, I’m having trouble creating an animation from my time series data in ParaView. I have a .pvd file that references multiple time step files, and I attempted to load all the data as a group (see attached p…

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## [Animate Only One Camera Python](https://discourse.paraview.org/t/animate-only-one-camera-python/16213)

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**Author:** [@figbar](https://discourse.paraview.org/u/figbar)\
**Replies:** 0\
**Last updated:** [February 21, 2025, 7:54pm UTC](https://discourse.paraview.org/t/animate-only-one-camera-python/16213 "2025-02-21T19:54:57Z")

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I have a python animation which works fine (applied in the time manager via adding a python animation track and pasting in the script). Now I want a side by side view (two windows, where one is animated, and one is a non…

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## [spotty colors after saving .vtu to .vtp](https://discourse.paraview.org/t/spotty-colors-after-saving-vtu-to-vtp/16211)

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**Author:** [@Bernward\_Platz](https://discourse.paraview.org/u/Bernward_Platz)\
**Replies:** 6\
**Last updated:** [February 21, 2025, 4:33pm UTC](https://discourse.paraview.org/t/spotty-colors-after-saving-vtu-to-vtp/16211 "2025-02-21T16:33:13Z")

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rodsolid.vtu (2.3 MB) Hi, I saved a .vtu file as .vtp in ParaView. After loading the .vtp file, the color gradient appears patchy when displaying the displacements. Probably a total beginner question. Sorry. Than…

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## [Unable to use Stream tracer with custom source filter](https://discourse.paraview.org/t/unable-to-use-stream-tracer-with-custom-source-filter/16207)

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**Author:** [@physahel](https://discourse.paraview.org/u/physahel)\
**Replies:** 2\
**Last updated:** [February 21, 2025, 1:32pm UTC](https://discourse.paraview.org/t/unable-to-use-stream-tracer-with-custom-source-filter/16207 "2025-02-21T13:32:59Z")

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Dear Support members, I am trying to plot 3D magnetic field lines on the unstructured grid (data from the AMR model) but the Stream tracer with custom source filter is not working. First, I converted the cell data to po…

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## [Triangle meshes for cone or cyllinder](https://discourse.paraview.org/t/triangle-meshes-for-cone-or-cyllinder/16209)

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**Author:** [@ritwik](https://discourse.paraview.org/u/ritwik)\
**Replies:** 4\
**Last updated:** [February 21, 2025, 11:08am UTC](https://discourse.paraview.org/t/triangle-meshes-for-cone-or-cyllinder/16209 "2025-02-21T11:08:52Z")

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Dear developers, I am trying to generate triangle meshes for cyllinder or cone type shapes so that I can save the data in unstructured grid format. Previously I did it for sphere using Tesellate filter. Can someone sug…

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## [Adding an Observer to cell selections in a RenderView](https://discourse.paraview.org/t/adding-an-observer-to-cell-selections-in-a-renderview/16200)

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**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 1\
**Last updated:** [February 20, 2025, 3:32pm UTC](https://discourse.paraview.org/t/adding-an-observer-to-cell-selections-in-a-renderview/16200 "2025-02-20T15:32:45Z")

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Dear Support! I’m working on developing a C++ plugin for ParaView. I need some code to automatically trigger as soon as the user completes a cell selection on a mesh using ‘Select Cells On’ in a RenderView. Any pointer…

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## [Selection Clearing Across Multiple Render Views](https://discourse.paraview.org/t/selection-clearing-across-multiple-render-views/16203)

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**Author:** [@sherin.sugathan](https://discourse.paraview.org/u/sherin.sugathan)\
**Replies:** 0\
**Last updated:** [February 20, 2025, 2:34pm UTC](https://discourse.paraview.org/t/selection-clearing-across-multiple-render-views/16203 "2025-02-20T14:34:47Z")

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Dear Support! I have two RenderViews, “renderView1” and “renderView2”, placed side by side. renderView1 renders “surface1”. renderView2 renders “surface2”. Each RenderView has its own Select Cells and Clear Selection …

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## [Creating a ParaView GUI for OpenFOAM File Modification](https://discourse.paraview.org/t/creating-a-paraview-gui-for-openfoam-file-modification/16199)

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**Author:** [@pnt.boss](https://discourse.paraview.org/u/pnt.boss)\
**Replies:** 0\
**Last updated:** [February 20, 2025, 7:56am UTC](https://discourse.paraview.org/t/creating-a-paraview-gui-for-openfoam-file-modification/16199 "2025-02-20T07:56:53Z")

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I am working on developing a custom GUI within ParaView that directly links to OpenFOAM case files. Specifically, I would like to modify the velocity inlet values in the 0/U file by entering a value in the ParaView inter…

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## [Updating mesh at every timestep (Nek5000 parallel reader)](https://discourse.paraview.org/t/updating-mesh-at-every-timestep-nek5000-parallel-reader/16185)

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**Author:** [@Emo](https://discourse.paraview.org/u/Emo)\
**Replies:** 7\
**Last updated:** [February 19, 2025, 2:35pm UTC](https://discourse.paraview.org/t/updating-mesh-at-every-timestep-nek5000-parallel-reader/16185 "2025-02-19T14:35:50Z")

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Hi everyone, The native parallel Nek5000 file reader of Paraview 5.13.2 works well when the mesh is static. It seems by default, it reads the mesh from the first timestep and never updates it again. However, when we hav…

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## [Paraview crashes when slicing data](https://discourse.paraview.org/t/paraview-crashes-when-slicing-data/16191)

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**Author:** [@Nabil](https://discourse.paraview.org/u/Nabil)\
**Replies:** 6\
**Last updated:** [February 19, 2025, 11:03am UTC](https://discourse.paraview.org/t/paraview-crashes-when-slicing-data/16191 "2025-02-19T11:03:48Z")

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Hi there, I am using paraview version 5.13.1 and the it keeps crashing everytime i tried to slice my data in the z-direction to represent my data in a 2D plane. What can i do to solve this ? Do i need to install the lat…

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## [Different angle view along directions](https://discourse.paraview.org/t/different-angle-view-along-directions/16194)

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**Author:** [@DavidLarry](https://discourse.paraview.org/u/DavidLarry)\
**Replies:** 0\
**Last updated:** [February 19, 2025, 10:45am UTC](https://discourse.paraview.org/t/different-angle-view-along-directions/16194 "2025-02-19T10:45:10Z")

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Good morning, I am trying to reproduce the view obtained by a camera (boroscope) which has different angle views depending on the direction. The manufacturer states vision angle: 90 ° x 72 ° Is there a way to reproduc…

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## [Issue with Reading and Storing Data from AMR Simulation Files](https://discourse.paraview.org/t/issue-with-reading-and-storing-data-from-amr-simulation-files/16082)

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**Author:** [@bazharz](https://discourse.paraview.org/u/bazharz)\
**Replies:** 7\
**Last updated:** [February 19, 2025, 10:13am UTC](https://discourse.paraview.org/t/issue-with-reading-and-storing-data-from-amr-simulation-files/16082 "2025-02-19T10:13:26Z")

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Hello, save\_data\_paraview.py (2.9 KB) I am writing to you because I have an issue with reading simulation files containing AMR (Adaptive Mesh Refinement). I have a series of files representing each stored time step fo…

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## [Importing transient simulation with .encas files to Paraview](https://discourse.paraview.org/t/importing-transient-simulation-with-encas-files-to-paraview/16190)

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**Author:** [@HWIK](https://discourse.paraview.org/u/HWIK)\
**Replies:** 0\
**Last updated:** [February 18, 2025, 2:55pm UTC](https://discourse.paraview.org/t/importing-transient-simulation-with-encas-files-to-paraview/16190 "2025-02-18T14:55:15Z")

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Hi there, I am still figuring things out in Paraview. I did a CFD transient simulation and exported it to EnSight Gold format (.encas), where each file represents a different timestep. The naming is the same, where only…

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## [The issue of temperature at the cross-section of particles](https://discourse.paraview.org/t/the-issue-of-temperature-at-the-cross-section-of-particles/14398)

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**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 23\
**Last updated:** [February 18, 2025, 10:16am UTC](https://discourse.paraview.org/t/the-issue-of-temperature-at-the-cross-section-of-particles/14398 "2025-02-18T10:16:04Z")

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Hello researchers, I have a group of VTK files about particle information here. I would like to obtain the temperature changes inside the particles, that is, the temperature changes at the particle cross-section. How sho…

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## [Building ParaView 5.12.1 from Source (VisRTX not using GPU)](https://discourse.paraview.org/t/building-paraview-5-12-1-from-source-visrtx-not-using-gpu/16141)

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**Author:** [@Adnan\_Hafeez](https://discourse.paraview.org/u/Adnan_Hafeez)\
**Replies:** 7\
**Last updated:** [February 17, 2025, 10:15am UTC](https://discourse.paraview.org/t/building-paraview-5-12-1-from-source-visrtx-not-using-gpu/16141 "2025-02-17T10:15:32Z")

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I am reaching out regarding an issue we are encountering after building ParaView from source on our HPC system. We opted for a source installation to tailor the build to our hardware specifications rather than using the …

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## [Change Axis Size and color](https://discourse.paraview.org/t/change-axis-size-and-color/3355)

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**Author:** [@nayla\_salvador](https://discourse.paraview.org/u/nayla_salvador)\
**Replies:** 5\
**Last updated:** [February 16, 2025, 2:15pm UTC](https://discourse.paraview.org/t/change-axis-size-and-color/3355 "2025-02-16T14:15:51Z")

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Hello I would like to know that I can change the size of the XYZ axis and also if there is a way to change the color and size of the magnitude scale for better contrast (written in black for example) I can’t generate…

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## [How to change the orientation axes font size](https://discourse.paraview.org/t/how-to-change-the-orientation-axes-font-size/15273)

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**Author:** [@henrybolt](https://discourse.paraview.org/u/henrybolt)\
**Replies:** 2\
**Last updated:** [February 15, 2025, 7:35am UTC](https://discourse.paraview.org/t/how-to-change-the-orientation-axes-font-size/15273 "2025-02-15T07:35:15Z")

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Is there any way to change the orientation axes font size? When render view size is different, the font size of orientation axes changes automatically but can’t be modified manually which is inconvenient.

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## [Export Scene to Alembic format with Vertex Texture and Animation](https://discourse.paraview.org/t/export-scene-to-alembic-format-with-vertex-texture-and-animation/16161)

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**Author:** [@yangx789](https://discourse.paraview.org/u/yangx789)\
**Replies:** 11\
**Last updated:** [February 14, 2025, 5:02pm UTC](https://discourse.paraview.org/t/export-scene-to-alembic-format-with-vertex-texture-and-animation/16161 "2025-02-14T17:02:16Z")

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Hello, I’ve been trying to export a scene with an Exodus model that has a color-based time series animation to Alembic format, but the process isn’t working as expected. It shows an error message “Unable to open png file…

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## [Pb with YieldCriteria Filter](https://discourse.paraview.org/t/pb-with-yieldcriteria-filter/16083)

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**Author:** [@Loic](https://discourse.paraview.org/u/Loic)\
**Replies:** 5\
**Last updated:** [February 14, 2025, 2:58pm UTC](https://discourse.paraview.org/t/pb-with-yieldcriteria-filter/16083 "2025-02-14T14:58:01Z")

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Hi, I have an XDMF file containing a model with an attribute named Static\_Stress, which includes tensors in the Tensor6 format. It appears to be displayed correctly in Paraview: When I try the YieldCriteria filter,…

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## [ParaView 5.13 crashes when loading trackingFromCriticalPoints.pvsm (TTK example)](https://discourse.paraview.org/t/paraview-5-13-crashes-when-loading-trackingfromcriticalpoints-pvsm-ttk-example/16177)

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**Author:** [@Ali01](https://discourse.paraview.org/u/Ali01)\
**Replies:** 0\
**Last updated:** [February 14, 2025, 1:37pm UTC](https://discourse.paraview.org/t/paraview-5-13-crashes-when-loading-trackingfromcriticalpoints-pvsm-ttk-example/16177 "2025-02-14T13:37:50Z")

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Hello, I am trying to run the Tracking From Critical Points example from the TTK website. I use this command “paraview states/trackingFromCriticalPoints.pvsm”. But, ParaView crashes immediately after loading the state …

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## [Cannot create GLX context](https://discourse.paraview.org/t/cannot-create-glx-context/16167)

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**Author:** [@Martin\_Werner\_Licht](https://discourse.paraview.org/u/Martin_Werner_Licht)\
**Replies:** 1\
**Last updated:** [February 13, 2025, 1:13pm UTC](https://discourse.paraview.org/t/cannot-create-glx-context/16167 "2025-02-13T13:13:24Z")

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I have not found a question with similar output, so I hope some can help me. On Ubuntu 24.04.1 LTS, having installed paraview $ paraview ( 0.586s) \[paraview \]vtkXOpenGLRenderWindow.:654 ERR| vtkXOpenGLRende…

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## [Calculating volume changes](https://discourse.paraview.org/t/calculating-volume-changes/16165)

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**Author:** [@Ali1990dashti](https://discourse.paraview.org/u/Ali1990dashti)\
**Replies:** 4\
**Last updated:** [February 12, 2025, 1:35pm UTC](https://discourse.paraview.org/t/calculating-volume-changes/16165 "2025-02-12T13:35:13Z")

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Dear all, I am using paraview 5.13.2 in windows. I want to calculate the volume changes in one part of my domain. With the threshold filter at some especific time steps I can find out the interested region. Then, if I m…

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## [Creating a point cloud from processing another](https://discourse.paraview.org/t/creating-a-point-cloud-from-processing-another/16150)

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**Author:** [@Ahmed\_A](https://discourse.paraview.org/u/Ahmed_A)\
**Replies:** 3\
**Last updated:** [February 12, 2025, 3:11am UTC](https://discourse.paraview.org/t/creating-a-point-cloud-from-processing-another/16150 "2025-02-12T03:11:06Z")

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Hi there, Lets say I have a point cloud consisting of a large number of particles. I have been able to use the Outline filter to create a bounding box of sorts but I eventually want to use the center of that bounding bo…

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## [Visualizing numbered file using a state file](https://discourse.paraview.org/t/visualizing-numbered-file-using-a-state-file/16155)

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**Author:** [@mh0120](https://discourse.paraview.org/u/mh0120)\
**Replies:** 0\
**Last updated:** [February 11, 2025, 4:26pm UTC](https://discourse.paraview.org/t/visualizing-numbered-file-using-a-state-file/16155 "2025-02-11T16:26:18Z")

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Hello experts. I am trying to load a state file using paraview.simple, version 5.10.1. I am using LoadState in paraview.simple to load a state file. Is there any way to visualize a sequentially numbered file using a s…

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## [Crash because of RAM](https://discourse.paraview.org/t/crash-because-of-ram/16138)

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**Author:** [@Epichado](https://discourse.paraview.org/u/Epichado)\
**Replies:** 1\
**Last updated:** [February 11, 2025, 8:33am UTC](https://discourse.paraview.org/t/crash-because-of-ram/16138 "2025-02-11T08:33:54Z")

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Hello everyone, I have to use pvpython for a work in my company, so it’s my first time using it i have this programm to export my data from paraview.simple import \* import os a1 = GetActiveSource() plotOverLine1 = P…

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## [Setting Omniverse Connnector in python scripts](https://discourse.paraview.org/t/setting-omniverse-connnector-in-python-scripts/16143)

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**Author:** [@aakevin20121016](https://discourse.paraview.org/u/aakevin20121016)\
**Replies:** 0\
**Last updated:** [February 11, 2025, 3:30am UTC](https://discourse.paraview.org/t/setting-omniverse-connnector-in-python-scripts/16143 "2025-02-11T03:30:04Z")

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Hi everyone, I’m trying visualizing data on omniverse usd composer app using python scripts. But from now on, I can’t find any useful documents or articles. Is there anyone has any experience of it. Thanks a lot.

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## [Plot Over Line Sample at Segment Centers not working](https://discourse.paraview.org/t/plot-over-line-sample-at-segment-centers-not-working/16131)

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**Author:** [@nadexterbrown](https://discourse.paraview.org/u/nadexterbrown)\
**Replies:** 1\
**Last updated:** [February 10, 2025, 8:11am UTC](https://discourse.paraview.org/t/plot-over-line-sample-at-segment-centers-not-working/16131 "2025-02-10T08:11:43Z")

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Hello, I just upgraded from Paraview 5.11 to 5.13 MPI version. In 5.11, I was able to plot over line using segment center sampling with no problems (aside from crashing at the end of animation creation, a different probl…

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## [Batch calculate length/area of isocontours](https://discourse.paraview.org/t/batch-calculate-length-area-of-isocontours/16121)

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**Author:** [@Sam\_Austin](https://discourse.paraview.org/u/Sam_Austin)\
**Replies:** 4\
**Last updated:** [February 8, 2025, 10:39pm UTC](https://discourse.paraview.org/t/batch-calculate-length-area-of-isocontours/16121 "2025-02-08T22:39:41Z")

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Hi all! I need to use Paraview to calculate lengths of extracted isocontour curves (in 2D). I would eventually like to extend this to computing the surface area of isocontours on a 3D mesh, but for now, I am starting wi…

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