# \#trame

**URL:** https://discourse.vtk.org/tag/trame/34.md

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

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## [What's New in VTK-wasm - Free Release Webinar](https://discourse.vtk.org/t/whats-new-in-vtk-wasm-free-release-webinar/16520)

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**Author:** [@NickBearup](https://discourse.vtk.org/u/NickBearup)\
**Replies:** 0\
**Last updated:** [August 25, 2026, 2:55pm UTC](https://discourse.vtk.org/t/whats-new-in-vtk-wasm-free-release-webinar/16520 "2026-08-25T14:55:39Z")

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The VTK team at Kitware will be hosting a free webinar on Thursday, September 3 from 12:00pm - 1:00pm ET covering the latest developments in VTK-wasm and how it can be used to bring high-performance VTK rendering directl…

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## [Trame + WASM: bind custom widget](https://discourse.vtk.org/t/trame-wasm-bind-custom-widget/16350)

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**Author:** [@kerim](https://discourse.vtk.org/u/kerim)\
**Replies:** 3\
**Last updated:** [March 23, 2026, 9:37am UTC](https://discourse.vtk.org/t/trame-wasm-bind-custom-widget/16350 "2026-03-23T09:37:42Z")

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Hi, I wrote custom widget in C++ fork of VTK 9.6 and now I’m trying to port it to Trame local view using WASM approach. My approach is to build VTK WASM, install trame-vtklocal package with VTK\_WASM\_DIR\_OVERRIDE env va…

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## [A tale of 2.5 UIs](https://discourse.vtk.org/t/a-tale-of-2-5-uis/16135)

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**Author:** [@Joe\_Tristano](https://discourse.vtk.org/u/Joe_Tristano)\
**Replies:** 3\
**Last updated:** [November 12, 2025, 4:59pm UTC](https://discourse.vtk.org/t/a-tale-of-2-5-uis/16135 "2025-11-12T16:59:32Z")

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Vtk ui Hello Im writing for those who may find themselves in the same situation as well as for any guidance from the experts I started down a path of writing an interactive vtk application. I am inspired by fui (iro…

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## [trame-deckgl OrthographicView](https://discourse.vtk.org/t/trame-deckgl-orthographicview/16126)

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**Author:** [@firinini](https://discourse.vtk.org/u/firinini)\
**Replies:** 2\
**Last updated:** [November 6, 2025, 3:33pm UTC](https://discourse.vtk.org/t/trame-deckgl-orthographicview/16126 "2025-11-06T15:33:34Z")

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Hi, is it possible to use the trame-deckgl widget to plot an overlay of scatter points on image data? I tried both the trame plotly and image-tools widgets for this purpose, but none of them seem very performant when d…

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## [CameraOrientationWidget Slow rendering with WASM](https://discourse.vtk.org/t/cameraorientationwidget-slow-rendering-with-wasm/16099)

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**Author:** [@Joe\_Tristano](https://discourse.vtk.org/u/Joe_Tristano)\
**Replies:** 0\
**Last updated:** [October 19, 2025, 12:30pm UTC](https://discourse.vtk.org/t/cameraorientationwidget-slow-rendering-with-wasm/16099 "2025-10-19T12:30:39Z")

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Hi, I have a small trame app where I want some spatial awareness on the screen. Interaction and rotation of my actors is very fast without any spatial awareness widgets. When I add CameraOrientationWidget or if I add …

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## [Trame in subprocess doesnt render wasm. Possible websocket wslink issue](https://discourse.vtk.org/t/trame-in-subprocess-doesnt-render-wasm-possible-websocket-wslink-issue/16087)

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**Author:** [@Joe\_Tristano](https://discourse.vtk.org/u/Joe_Tristano)\
**Replies:** 2\
**Last updated:** [October 10, 2025, 9:44pm UTC](https://discourse.vtk.org/t/trame-in-subprocess-doesnt-render-wasm-possible-websocket-wslink-issue/16087 "2025-10-10T21:44:03Z")

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Based on some reading, and this thread pvd , vtu , vti files with vtk wasm I decided to try and Start trame in a sub process. When I do file open, it starts trame with the appropriate file. When I open a new file, it sh…

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## [Incorrect viewport is zoomed with trame.widgets.vtklocal.LocalView](https://discourse.vtk.org/t/incorrect-viewport-is-zoomed-with-trame-widgets-vtklocal-localview/16035)

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**Author:** [@senanokah](https://discourse.vtk.org/u/senanokah)\
**Replies:** 4\
**Last updated:** [September 19, 2025, 11:45am UTC](https://discourse.vtk.org/t/incorrect-viewport-is-zoomed-with-trame-widgets-vtklocal-localview/16035 "2025-09-19T11:45:44Z")

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Hi! First of all, thank you so much for your work on Trame/VTK/WASM. I’ve got an issue where zooming while hovering the cursor over different render viewports always zoomes the first renderer. I’m using the LocalView f…

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## [TRAME dynamic thumbnail](https://discourse.vtk.org/t/trame-dynamic-thumbnail/16021)

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**Author:** [@firinini](https://discourse.vtk.org/u/firinini)\
**Replies:** 3\
**Last updated:** [September 15, 2025, 12:56pm UTC](https://discourse.vtk.org/t/trame-dynamic-thumbnail/16021 "2025-09-15T12:56:57Z")

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Hi, I’d like to embed a dynamic thumbnail of an iframe (used to display different Trame apps) within my larger application frontend. The idea is that whenever my iFrame rerenders, or whenever callbacks are triggered with…

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## [Update camera in trame vtkLocalView](https://discourse.vtk.org/t/update-camera-in-trame-vtklocalview/15979)

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**Author:** [@firinini](https://discourse.vtk.org/u/firinini)\
**Replies:** 6\
**Last updated:** [August 21, 2025, 8:00pm UTC](https://discourse.vtk.org/t/update-camera-in-trame-vtklocalview/15979 "2025-08-21T20:00:29Z")

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Hi, I have been trying back and forward but cannot figure out why this camera update in VtkLocalView does not work. Any input would be appreciated, thanks! from trame.app import get\_server from trame.ui.vuetify3 impo…

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## [Trame + VTK + Plotly Application - vue2 or vue3?](https://discourse.vtk.org/t/trame-vtk-plotly-application-vue2-or-vue3/15954)

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**Author:** [@firinini](https://discourse.vtk.org/u/firinini)\
**Replies:** 3\
**Last updated:** [August 15, 2025, 8:42pm UTC](https://discourse.vtk.org/t/trame-vtk-plotly-application-vue2-or-vue3/15954 "2025-08-15T20:42:59Z")

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Hi, I am trying to utilize both the vtk and plotly widgets in my trame application and have issues getting the right dependencies in place. As a layer of abstraction, I tried to install the dependencies for running thi…

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## [Using @TrameApp, how do I simply create an endpoint that returns a string?](https://discourse.vtk.org/t/using-trameapp-how-do-i-simply-create-an-endpoint-that-returns-a-string/15763)

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**Author:** [@uv382](https://discourse.vtk.org/u/uv382)\
**Replies:** 2\
**Last updated:** [June 26, 2025, 7:12pm UTC](https://discourse.vtk.org/t/using-trameapp-how-do-i-simply-create-an-endpoint-that-returns-a-string/15763 "2025-06-26T19:12:37Z")

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Let’s say I have this simple @TrameApp: @TrameApp() class MyTrameApp: def \_\_init\_\_(self, server: Server = None): self.server = get\_server(server) def main(): app = MyTrameApp() app.server.start() i…

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## [Displaying multiple arrays into one plot using trame and jupyter notebook](https://discourse.vtk.org/t/displaying-multiple-arrays-into-one-plot-using-trame-and-jupyter-notebook/15472)

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**Author:** [@zetwal](https://discourse.vtk.org/u/zetwal)\
**Replies:** 2\
**Last updated:** [April 3, 2025, 8:24pm UTC](https://discourse.vtk.org/t/displaying-multiple-arrays-into-one-plot-using-trame-and-jupyter-notebook/15472 "2025-04-03T20:24:41Z")

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Hello I’m trying to display several datasets into one plot/window using jupyter notebook and trame but it’s instead displaying 3 separate windows. This is the code: plot\_1 = pv.PolyData(plot\_1\_points) plot\_1.plot(point…

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## [VTK/WASM: Push client camera state to server (i.e. update server camera to match the client camera)](https://discourse.vtk.org/t/vtk-wasm-push-client-camera-state-to-server-i-e-update-server-camera-to-match-the-client-camera/15444)

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**Author:** [@uv382](https://discourse.vtk.org/u/uv382)\
**Replies:** 1\
**Last updated:** [March 31, 2025, 3:23am UTC](https://discourse.vtk.org/t/vtk-wasm-push-client-camera-state-to-server-i-e-update-server-camera-to-match-the-client-camera/15444 "2025-03-31T03:23:48Z")

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@jaswantp Hi Jaswant, I know we spoke about this earlier but I forgot to ask specifically how it’s done. In VTK/WASM, the active camera on the server does not stay synchronized with the active camera on the frontend unl…

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## [Upcoming trame training session](https://discourse.vtk.org/t/upcoming-trame-training-session/15417)

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**Author:** [@finetjul](https://discourse.vtk.org/u/finetjul)\
**Replies:** 0\
**Last updated:** [March 21, 2025, 4:27pm UTC](https://discourse.vtk.org/t/upcoming-trame-training-session/15417 "2025-03-21T16:27:52Z")

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Kitware Europe will be hosting a remote trame training course on April 22nd from 9am to 5pm (Paris timezone CET / GMT+1h) Make sure to register if you want to: know what trame can do get started with trame learn how t…

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## [Clip plane works in remote but not in local](https://discourse.vtk.org/t/clip-plane-works-in-remote-but-not-in-local/15389)

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**Author:** [@Gaston\_Avto](https://discourse.vtk.org/u/Gaston_Avto)\
**Replies:** 0\
**Last updated:** [March 13, 2025, 8:41pm UTC](https://discourse.vtk.org/t/clip-plane-works-in-remote-but-not-in-local/15389 "2025-03-13T20:41:44Z")

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Hi! I am trying to have a clip plane in a vtkVolume. The weird thing is that clipping the volume in RemoteView works completely as expected using my slider. I can scroll through and works perfectly. It is only when I tr…

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## [Visualization on the web training course](https://discourse.vtk.org/t/visualization-on-the-web-training-course/15316)

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**Author:** [@finetjul](https://discourse.vtk.org/u/finetjul)\
**Replies:** 0\
**Last updated:** [February 25, 2025, 11:20am UTC](https://discourse.vtk.org/t/visualization-on-the-web-training-course/15316 "2025-02-25T11:20:30Z")

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Kitware will be hosting multiple training courses related to web visualization on April 2025. These trainings are designed for attendees who want to know how to bring their C++ or Python desktop/hpc developments onto the…
