# Web Support

**URL:** https://discourse.paraview.org/c/web-support/10.md

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

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## [About the Web Support category](https://discourse.paraview.org/t/about-the-web-support-category/67)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 0\
**Last updated:** [June 2, 2018, 2:57pm UTC](https://discourse.paraview.org/t/about-the-web-support-category/67 "2018-06-02T14:57:23Z")

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A place for questions about ParaViewWeb and other ParaView-based Web technologies.

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## [Trame-Flow : Demo examples](https://discourse.paraview.org/t/trame-flow-demo-examples/17591)

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**Author:** [@cfd\_payne](https://discourse.paraview.org/u/cfd_payne)\
**Replies:** 8\
**Last updated:** [June 3, 2026, 12:45pm UTC](https://discourse.paraview.org/t/trame-flow-demo-examples/17591 "2026-06-03T12:45:49Z")

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Hello, Got onto vue-flow and exploring trame-flow, this example python .\\examples\\serialization.py is rendering as below .. python .\\examples\\style.py test.py also throws some error (.venv) PS C:\\Users\\user\\tr…

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## [paraview + trame](https://discourse.paraview.org/t/paraview-trame/10765)

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**Author:** [@bigfooted](https://discourse.paraview.org/u/bigfooted)\
**Replies:** 11\
**Last updated:** [March 19, 2026, 1:44pm UTC](https://discourse.paraview.org/t/paraview-trame/10765 "2026-03-19T13:44:05Z")

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I tried the paraview + trame example: https://kitware.github.io/trame/docs/tutorial-paraview.html I got it working, but the steps on the website did not work for me. In the tutorial, this step did not work for me: ~…

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## [trame+jupyterlab+docker = NS\_ERROR\_CONNECTION\_REFUSED](https://discourse.paraview.org/t/trame-jupyterlab-docker-ns-error-connection-refused/17475)

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**Author:** [@greg](https://discourse.paraview.org/u/greg)\
**Replies:** 2\
**Last updated:** [March 14, 2026, 7:45pm UTC](https://discourse.paraview.org/t/trame-jupyterlab-docker-ns-error-connection-refused/17475 "2026-03-14T19:45:38Z")

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I’d like to run jupyterlab with trame inside a docker container. Following Trame and Jupyter Lab | trame I use this Dockerfile: FROM ubuntu:24.04 RUN apt-get update -y RUN apt-get install -y python3-pip python3-venv …

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## [trame: add custom endpoint](https://discourse.paraview.org/t/trame-add-custom-endpoint/11596)

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**Author:** [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)\
**Replies:** 3\
**Last updated:** [November 6, 2025, 1:33pm UTC](https://discourse.paraview.org/t/trame-add-custom-endpoint/11596 "2025-11-06T13:33:17Z")

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For my trame-based application, I want to simply add an endpoint so that the user can get/post that endpoint url and get some computed value. For example, if my server is running on localhost:8080, I want to register a …

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## [wslink.launcher: resolve custom fields from query parameter](https://discourse.paraview.org/t/wslink-launcher-resolve-custom-fields-from-query-parameter/17142)

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**Author:** [@wulle](https://discourse.paraview.org/u/wulle)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 4:08pm UTC](https://discourse.paraview.org/t/wslink-launcher-resolve-custom-fields-from-query-parameter/17142 "2025-08-29T16:08:15Z")

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Hello, I would like to use wslink in combination with Apache in a Docker container (similar as the premade trame docker setups) to start an application for multiple users with external authentication. As far as I under…

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## [Enabled function issue](https://discourse.paraview.org/t/enabled-function-issue/9843)

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**Author:** [@Mayukhdeep\_Mathur](https://discourse.paraview.org/u/Mayukhdeep_Mathur)\
**Replies:** 2\
**Last updated:** [June 20, 2022, 8:07pm UTC](https://discourse.paraview.org/t/enabled-function-issue/9843 "2022-06-20T20:07:25Z")

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I tried to console both scripts, but only the (left) CropTool file shows the enabled function console output, but the (Rght) ResliceCursor file does not. Why is this happening? This is CropTool Console Output …

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## [How to manage several clients with different information with trame](https://discourse.paraview.org/t/how-to-manage-several-clients-with-different-information-with-trame/16917)

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**Author:** [@Sagues](https://discourse.paraview.org/u/Sagues)\
**Replies:** 1\
**Last updated:** [August 2, 2025, 1:04am UTC](https://discourse.paraview.org/t/how-to-manage-several-clients-with-different-information-with-trame/16917 "2025-08-02T01:04:13Z")

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I am developing an application with trame. If I open several browser windows I see the same image and, if I rotate or execute any view operation (ex. zoom) I see the same image in both browser windows. I tried to use @…

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## [How to Adjust Tick Values on X and Y Axes in vtk.js Without Modifying DataBounds?](https://discourse.paraview.org/t/how-to-adjust-tick-values-on-x-and-y-axes-in-vtk-js-without-modifying-databounds/16338)

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**Author:** [@zdc](https://discourse.paraview.org/u/zdc)\
**Replies:** 0\
**Last updated:** [March 15, 2025, 4:06pm UTC](https://discourse.paraview.org/t/how-to-adjust-tick-values-on-x-and-y-axes-in-vtk-js-without-modifying-databounds/16338 "2025-03-15T16:06:02Z")

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We are using vtk.js, and when visualizing 3D data with isosurfaces, the tick values on the x and y coordinate axes appear enlarged due to scaling. We want to restore the displayed values to their original scale without m…

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## [paraview trame and animation example with timekeeper](https://discourse.paraview.org/t/paraview-trame-and-animation-example-with-timekeeper/16241)

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**Author:** [@monorepo](https://discourse.paraview.org/u/monorepo)\
**Replies:** 5\
**Last updated:** [March 4, 2025, 4:29pm UTC](https://discourse.paraview.org/t/paraview-trame-and-animation-example-with-timekeeper/16241 "2025-03-04T16:29:56Z")

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I’m trying to figure out how to make a clip scan through a volume of an XDMF dataset and do that as a trame application. Using trame/examples/07\_paraview/TimeAnimation/app.py at master · Kitware/trame · GitHub as an exam…

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## [Preventing Paraview Visualizer popup paraview windows on startup?](https://discourse.paraview.org/t/preventing-paraview-visualizer-popup-paraview-windows-on-startup/15649)

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**Author:** [@vavo01](https://discourse.paraview.org/u/vavo01)\
**Replies:** 6\
**Last updated:** [February 24, 2025, 1:05pm UTC](https://discourse.paraview.org/t/preventing-paraview-visualizer-popup-paraview-windows-on-startup/15649 "2025-02-24T13:05:33Z")

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I launch paraview-visualizer in a conda environment with python -m paraview.apps.trame --trame-app pv\_visualizer.app --port 1234 --data . Visualizer itself works fine. But at start and then when loading a state file pa…

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## [paraview visualizer and python](https://discourse.paraview.org/t/paraview-visualizer-and-python/16171)

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**Author:** [@monorepo](https://discourse.paraview.org/u/monorepo)\
**Replies:** 1\
**Last updated:** [February 13, 2025, 3:44pm UTC](https://discourse.paraview.org/t/paraview-visualizer-and-python/16171 "2025-02-13T15:44:59Z")

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how would one load a python script in paraview visualizer - is there something to the proxies.json file? Any way to load a state file?

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## [why does it change to wireframe?](https://discourse.paraview.org/t/why-does-it-change-to-wireframe/16034)

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**Author:** [@CharlesL](https://discourse.paraview.org/u/CharlesL)\
**Replies:** 1\
**Last updated:** [January 23, 2025, 10:24pm UTC](https://discourse.paraview.org/t/why-does-it-change-to-wireframe/16034 "2025-01-23T22:24:58Z")

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I have been developing a webapp with vtk.js. By accident, I noticed that, whenever I hit w key, the object changes to wireframe. Why does this happen and how to avoid this?

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## [How to change coloring scheme?](https://discourse.paraview.org/t/how-to-change-coloring-scheme/15967)

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**Author:** [@CharlesL](https://discourse.paraview.org/u/CharlesL)\
**Replies:** 5\
**Last updated:** [January 15, 2025, 7:59pm UTC](https://discourse.paraview.org/t/how-to-change-coloring-scheme/15967 "2025-01-15T19:59:05Z")

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I’m new to vtk.js. After reading, I made javascript work though I don’t why; it is just by accident and I don’t even explicitly use lookup table functio. I need help in changing the color schem. In picture below, pressur…

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## [What is the difference between ParaViewWeb and Trame?](https://discourse.paraview.org/t/what-is-the-difference-between-paraviewweb-and-trame/15752)

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**Author:** [@ANON1](https://discourse.paraview.org/u/ANON1)\
**Replies:** 1\
**Last updated:** [November 20, 2024, 2:28am UTC](https://discourse.paraview.org/t/what-is-the-difference-between-paraviewweb-and-trame/15752 "2024-11-20T02:28:31Z")

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Hello, What is the difference between ParaViewWeb and Trame? Thanks

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## [What is ParaWeb?](https://discourse.paraview.org/t/what-is-paraweb/15747)

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**Author:** [@ANON1](https://discourse.paraview.org/u/ANON1)\
**Replies:** 3\
**Last updated:** [November 20, 2024, 2:16am UTC](https://discourse.paraview.org/t/what-is-paraweb/15747 "2024-11-20T02:16:00Z")

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Hello, I’ve seen this figure on the ParaView tutorial: I tried to search about ParaWeb, but can’t find anything. Is it a typo, and does it actually mean ParaViewWeb instead? Thanks

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## [How to change default settings for Visualizer checkboxes](https://discourse.paraview.org/t/how-to-change-default-settings-for-visualizer-checkboxes/15724)

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**Author:** [@roka2024](https://discourse.paraview.org/u/roka2024)\
**Replies:** 1\
**Last updated:** [November 16, 2024, 12:25am UTC](https://discourse.paraview.org/t/how-to-change-default-settings-for-visualizer-checkboxes/15724 "2024-11-16T00:25:09Z")

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Hi, I want to set the default for “Map Scalars” to false, i.e. unchecked, when launching Visualizer. How can I do that? Thanks, Robert

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## [enabling wss for paraview visualiser](https://discourse.paraview.org/t/enabling-wss-for-paraview-visualiser/15692)

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**Author:** [@roka2024](https://discourse.paraview.org/u/roka2024)\
**Replies:** 10\
**Last updated:** [November 8, 2024, 9:46pm UTC](https://discourse.paraview.org/t/enabling-wss-for-paraview-visualiser/15692 "2024-11-08T21:46:06Z")

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Hi, I’m accessing paraview visualizer via ngrok using https. I have to allow mixed content in Chrome bc visualizer uses apparently ws:/ and not wss:/ Is there a way to enable wss for visualizer? Or what’s your recomm…

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## [How to load and render a vtk file via visualizer API](https://discourse.paraview.org/t/how-to-load-and-render-a-vtk-file-via-visualizer-api/15699)

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**Author:** [@roka2024](https://discourse.paraview.org/u/roka2024)\
**Replies:** 4\
**Last updated:** [November 8, 2024, 1:20am UTC](https://discourse.paraview.org/t/how-to-load-and-render-a-vtk-file-via-visualizer-api/15699 "2024-11-08T01:20:37Z")

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Hi All, I want to use the REST API of visualizer to load and render a certain vtk file in the data directory it’s connected to. The following code returns 200 but there’s nothing happening in visualizer. Can you help? …

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## [Render Converge mass fraction 3D files](https://discourse.paraview.org/t/render-converge-mass-fraction-3d-files/15549)

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**Author:** [@Kumar](https://discourse.paraview.org/u/Kumar)\
**Replies:** 0\
**Last updated:** [October 14, 2024, 2:17pm UTC](https://discourse.paraview.org/t/render-converge-mass-fraction-3d-files/15549 "2024-10-14T14:17:12Z")

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My current rendering is like the first picture. How to render it like second picture?

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## [vtkXRRenderWindow is web-served "vtk.js" service](https://discourse.paraview.org/t/vtkxrrenderwindow-is-web-served-vtk-js-service/15370)

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**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 0\
**Last updated:** [September 10, 2024, 2:12am UTC](https://discourse.paraview.org/t/vtkxrrenderwindow-is-web-served-vtk-js-service/15370 "2024-09-10T02:12:02Z")

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Hello, I have a sample “vtk.js” application working using “https://unpkg.com/vtk.js” to provide the VTK functionality, however that version of VTK doesn’t seem to have the XR stuff available, as I get the error message: …

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## [Paraview Web : going forward](https://discourse.paraview.org/t/paraview-web-going-forward/15341)

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**Author:** [@Nicholas\_Yue](https://discourse.paraview.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [September 4, 2024, 5:53pm UTC](https://discourse.paraview.org/t/paraview-web-going-forward/15341 "2024-09-04T17:53:33Z")

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I have been away from ParaView for about 18 months and catching up on various changes. I posted a question about my setup of a test cluster (eventually it will be much further away in an actual data center) which I was …

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## [iparaview-kernel: trouble installing within a custom python venv](https://discourse.paraview.org/t/iparaview-kernel-trouble-installing-within-a-custom-python-venv/15033)

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**Author:** [@Trophime](https://discourse.paraview.org/u/Trophime)\
**Replies:** 5\
**Last updated:** [September 2, 2024, 2:57pm UTC](https://discourse.paraview.org/t/iparaview-kernel-trouble-installing-within-a-custom-python-venv/15033 "2024-09-02T14:57:15Z")

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Hi, I would like to install iparaview-kernel within a python virtual env. I have managed to build the kernel without problem But I can get the example notebook to work. I guess this is connected to my choice of insta…

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## [ParaView Visualizer segmentation fault when starting up](https://discourse.paraview.org/t/paraview-visualizer-segmentation-fault-when-starting-up/15317)

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**Author:** [@tommypope20](https://discourse.paraview.org/u/tommypope20)\
**Replies:** 3\
**Last updated:** [August 29, 2024, 4:22pm UTC](https://discourse.paraview.org/t/paraview-visualizer-segmentation-fault-when-starting-up/15317 "2024-08-29T16:22:50Z")

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Hi. I am trying to use ParaView 5.12.0-osmesa on an Ubuntu 22.04 machine. Specifically I am attempting to start the ParaView web visualizer using ‘./pvpython -m paraview.apps.visualizer’. Upon running this command, all …

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## [Streaming and Displaying .vti Files in Real-Time Using ParaView Web](https://discourse.paraview.org/t/streaming-and-displaying-vti-files-in-real-time-using-paraview-web/15210)

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**Author:** [@sasan\_bahrieh](https://discourse.paraview.org/u/sasan_bahrieh)\
**Replies:** 3\
**Last updated:** [August 15, 2024, 11:19pm UTC](https://discourse.paraview.org/t/streaming-and-displaying-vti-files-in-real-time-using-paraview-web/15210 "2024-08-15T23:19:37Z")

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Hello everyone, I’m currently working on a project where I need to stream and display .vti files in real-time on the web. These files are being generated dynamically, and I’d like to visualize them using ParaView Web on…

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## [.glance file generation "colorBy" not loading solid color for .stl files](https://discourse.paraview.org/t/glance-file-generation-colorby-not-loading-solid-color-for-stl-files/15180)

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**Author:** [@SamBrenny](https://discourse.paraview.org/u/SamBrenny)\
**Replies:** 3\
**Last updated:** [August 7, 2024, 7:41pm UTC](https://discourse.paraview.org/t/glance-file-generation-colorby-not-loading-solid-color-for-stl-files/15180 "2024-08-07T19:41:55Z")

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Hi, I am writing a glance file loading multiple .stl files via url. I used the TieFighter.glance (with colorBy a solid color) and followed the instructions from the below discourse. https://discourse.paraview.org/t/pa…

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## [How to Show Axes in ParaViewWeb Similar to ParaView Application?](https://discourse.paraview.org/t/how-to-show-axes-in-paraviewweb-similar-to-paraview-application/15045)

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**Author:** [@Godric](https://discourse.paraview.org/u/Godric)\
**Replies:** 3\
**Last updated:** [August 7, 2024, 4:07pm UTC](https://discourse.paraview.org/t/how-to-show-axes-in-paraviewweb-similar-to-paraview-application/15045 "2024-08-07T16:07:52Z")

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Hello everyone, I’m using ParaViewWeb with React and JavaScript. I want to display axes. I would like to know if it’s possible to show the axes. If yes, could you please guide me on how to do it? Below is the code I am …

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## [trame: legend lost in LocalView](https://discourse.paraview.org/t/trame-legend-lost-in-localview/10469)

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**Author:** [@Jimmy-KL](https://discourse.paraview.org/u/Jimmy-KL)\
**Replies:** 8\
**Last updated:** [August 7, 2024, 4:06pm UTC](https://discourse.paraview.org/t/trame-legend-lost-in-localview/10469 "2024-08-07T16:06:19Z")

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In the trame tutorial ./05\_paraview/StateLoader.py , if I change it to LocalView, the legend will be lost. I’m using windows 11, PravaView 5.11. Please check: In the Paraview, there is legend - But in the web brows…

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## [Paraview Glance not rendering on Edge or Chrome, only on Firefox](https://discourse.paraview.org/t/paraview-glance-not-rendering-on-edge-or-chrome-only-on-firefox/14734)

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**Author:** [@ArmoredCat](https://discourse.paraview.org/u/ArmoredCat)\
**Replies:** 7\
**Last updated:** [August 7, 2024, 2:20pm UTC](https://discourse.paraview.org/t/paraview-glance-not-rendering-on-edge-or-chrome-only-on-firefox/14734 "2024-08-07T14:20:26Z")

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Hello everybody! I have following problem, namely that Paraview Glance will not render the object on Edge or Chrome, only on Firefox. I have appended both the html file I loaded in, the html file I generated the html wi…

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## [Adding a plane widget representation in a Paraview web app run in parallel mode](https://discourse.paraview.org/t/adding-a-plane-widget-representation-in-a-paraview-web-app-run-in-parallel-mode/15025)

<div class="topic-metadata">

**Author:** [@scbiradar](https://discourse.paraview.org/u/scbiradar)\
**Replies:** 1\
**Last updated:** [August 6, 2024, 4:38pm UTC](https://discourse.paraview.org/t/adding-a-plane-widget-representation-in-a-paraview-web-app-run-in-parallel-mode/15025 "2024-08-06T16:38:34Z")

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I am running a paraview web application in parallel (pvbatch with mpi). I want to add plane widget representation to a Slice filter (like in paraview desktop) I am adding an implicit plane widget representation to a pa…

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