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# Local rendering with WASM
The example below showcase how the line source for the streamline seeds can be controlled from either a 3D widgets and 2D widget.
To learn more about VTK.wasm and what you can do with it, [the VTK.wasm documentation website](https://kitware.github.io/vtk-wasm/) is the reference to follow.
<video control loop autoplay muted>
<source src="/assets/videos/cfd-bike-480.mp4" alt="Bike CFD example">
</video>
::: code-group
<<< @/../../examples/06_vtk/04_wasm/app.py{py:line-numbers} [Full code]
<<< @/../../examples/06_vtk/04_wasm/requirements.txt
:::
You can download it and run it as is if you have `uv` available.
```
curl -O https://raw.githubusercontent.com/Kitware/trame/refs/heads/master/examples/06_vtk/04_wasm/app.py
chmod +x app.py
./app.py
# or use uv run
uv run ./app.py
```
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