# \#web

**URL:** https://discourse.vtk.org/tag/web/21.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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## [Open source visualization and data analysis in the browser webinar](https://discourse.vtk.org/t/open-source-visualization-and-data-analysis-in-the-browser-webinar/14560)

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**Author:** [@sankhesh](https://discourse.vtk.org/u/sankhesh)\
**Replies:** 0\
**Last updated:** [September 11, 2024, 5:10pm UTC](https://discourse.vtk.org/t/open-source-visualization-and-data-analysis-in-the-browser-webinar/14560 "2024-09-11T17:10:15Z")

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Join us on September 18th at noon ET to learn more about accelerating the development of web visualization applications with vtk.js. During this free webinar, we will go over how vtk.js, an open-source tool leverages mo…

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## [PointPicker Selecting the Back Object Instead of the Front Object in Complex Scenes](https://discourse.vtk.org/t/pointpicker-selecting-the-back-object-instead-of-the-front-object-in-complex-scenes/14445)

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**Author:** [@agustindasilvaR](https://discourse.vtk.org/u/agustindasilvaR)\
**Replies:** 8\
**Last updated:** [August 22, 2024, 12:59pm UTC](https://discourse.vtk.org/t/pointpicker-selecting-the-back-object-instead-of-the-front-object-in-complex-scenes/14445 "2024-08-22T12:59:26Z")

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Hello everyone, I’m currently working on a VTK.js project where I need to select points in a 3D scene using vtkPointPicker. The scene includes complex geometries with multiple overlapping objects on different planes. T…

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## [Testing VTK Web workflow](https://discourse.vtk.org/t/testing-vtk-web-workflow/13256)

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**Author:** [@BotellaA](https://discourse.vtk.org/u/BotellaA)\
**Replies:** 3\
**Last updated:** [February 8, 2024, 4:13pm UTC](https://discourse.vtk.org/t/testing-vtk-web-workflow/13256 "2024-02-08T16:13:14Z")

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Hello, I’m having trouble setting up a test server with VTK web, ie not testing the Python function in the protocols but the exported rpc. So far, I have read these pages: https://docs.vtk.org/en/latest/api/python/vt…

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## [How to pick widget inside square](https://discourse.vtk.org/t/how-to-pick-widget-inside-square/12545)

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**Author:** [@Nosnickers](https://discourse.vtk.org/u/Nosnickers)\
**Replies:** 3\
**Last updated:** [November 2, 2023, 12:55am UTC](https://discourse.vtk.org/t/how-to-pick-widget-inside-square/12545 "2023-11-02T00:55:24Z")

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Gif above shows that, when dragged lineWidget inside a square, the widget cannot be selected. How to select the actor or widget in this scenario, on account of more interaction with the widget. Any help will be a…

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## [vtkCircleSource color lines and face differently](https://discourse.vtk.org/t/vtkcirclesource-color-lines-and-face-differently/12567)

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**Author:** [@KOt](https://discourse.vtk.org/u/KOt)\
**Replies:** 0\
**Last updated:** [October 30, 2023, 9:00am UTC](https://discourse.vtk.org/t/vtkcirclesource-color-lines-and-face-differently/12567 "2023-10-30T09:00:03Z")

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Hi there, I have created a vtkCircleSource in vtk.js and want to color the lines with a different color and opacity then the face. I have noticed that setting the face to false and the lines to true does not render anyt…

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## [Trouble following WASM tutorial (Not working)](https://discourse.vtk.org/t/trouble-following-wasm-tutorial-not-working/12331)

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**Author:** [@scottm](https://discourse.vtk.org/u/scottm)\
**Replies:** 10\
**Last updated:** [September 22, 2023, 8:08pm UTC](https://discourse.vtk.org/t/trouble-following-wasm-tutorial-not-working/12331 "2023-09-22T20:08:16Z")

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Hi, I am trying to follow along with the tutorial on the following page: Building using emscripten for WebAssembly - VTK documentation I used the VTK v9.2.6 and dockcross/web-wasm:20230222-162287d, I followed all steps…

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## [Training coming up on trame](https://discourse.vtk.org/t/training-coming-up-on-trame/11922)

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**Author:** [@Sebastien\_Jourdain](https://discourse.vtk.org/u/Sebastien_Jourdain)\
**Replies:** 1\
**Last updated:** [August 10, 2023, 7:02pm UTC](https://discourse.vtk.org/t/training-coming-up-on-trame/11922 "2023-08-10T19:02:30Z")

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Wondering what trame is? Well it is a Python framework for building desktop like application with a Web UI that can then be deployed either as a regular desktop application or in the cloud without any code change. Trame …