volumetric imaging example

[droumis]

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[maximlt]

The main concern I have with this example at the moment is that it's hard to demonstrate its capabilities:

• Deploying it as a read-only notebook is likely to fail (see comment in the project file)
• The NeuroGlancer views aren't displayed on the website (see screenshots below), which makes it look quite broken

@droumis how about:

• Replacing the actual views in the notebook with screenshots/gifs? (unless the underlying issue can be fixed, I haven't look at all into it)
• Deploying the example as a Panel app?

Chrome:

Firefox:

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[maximlt]

Nice!

[maximlt]

@droumis I made a few changes in 6b8e6c7:

• Realized that we should use remove-{} instead of hide-{}, hide puts the hidden thing in a details element (see https://myst-nb.readthedocs.io/en/latest/render/hiding.html), it turns out we tweak the CSS in nbsite to entirely hide hide-input cells (https://github.com/holoviz-dev/nbsite/blob/c8f6e244d8b4718f463f53c1530a4fef70d2b0a0/nbsite/_shared_static/notebook.css#L53-L55), I'm not sure why.
• Removed the comment to avoid showing the app (twice), this is to test as much as possible the notebook code on the CI. WIth remove-output, the website doesn't show the outputs (with the somewhat broken neuroglancer apps)
• Used the Panel dashboard builder (preview in JupyterLab) to remove a couple of useless cells. FYI I opened Allow the dashboard builder to render code cells holoviz/panel#7546, definitely not a blocker for this PR.

[jbednar]

Thanks for this great example!