Update camera paths docs and add page on scripting

[WeirdRubberDuck]

Update the page about camera paths to make it a bit more up to date and easier to read, and add a page about how to do camera paths using scripting.

The latter has been a TODO on my side for a while... 4 years can still be considered "soon", right? ;) 😅

Considering how many users have started playing with the camera paths by now, it felt like a good time to make sure we have this docs.

[Copilot]

🟡 Changes recommended

There are multiple spelling/grammar issues and at least one broken intra-doc link that should be corrected before merging.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

This PR refreshes the existing camera-path documentation to be clearer and more current, and adds a new documentation page describing how to control camera paths via the scripting API.

Changes:

• Reworks the camera paths page structure (fly-to options, aborting, caveats, settings, and path type explanations).
• Adds a new “Creating Camera Paths Using Scripting” page with Lua examples for openspace.navigation.* and openspace.pathnavigation.createPath.
• Adds a toctree entry to surface the new scripting page from the camera paths docs.

File summaries

File	Description
using-openspace/navigation/camera-paths.md	Updates and reorganizes camera path documentation; adds scripting section linking to the new page.
using-openspace/navigation/camera-paths-scripting.md	New page documenting scripting API usage for camera paths with examples and links to the reference.

Review details

Suppressed comments (5)

using-openspace/navigation/camera-paths.md:38

• Typo: "gerenated" should be "generated".

The settings for the gerenated camera paths can be found in the settings menu under {menuselection}`Navigation handler --> Path Navigator`. Some useful settings are:

using-openspace/navigation/camera-paths.md:47

• Typo: "unconfortable" should be "uncomfortable" (also add commas around "however" for readability).

| {menuselection}`Include roll` | If false, any roll is removed from the rotation interpolation. This is disabled by default as it might introduce fast rotations that are unconfortable for a viewer. You might however want to enable this if you need the camera to have a specific orientation at the end of the path, such as when flying to a navigation state. |

using-openspace/navigation/camera-paths.md:88

• Capitalization: "Github" should be "GitHub".

If you encounter any issues, or have ideas for improvement, please report them on Github or contact the OpenSpace team.

using-openspace/navigation/camera-paths-scripting.md:46

• Grammar: "possible to some specify" should be "possible to specify" (and the sentence should end with a period).

For all of these, it is also possible to some specify additional parameters such as the duration of the path and the up-direction of the target node. Below are some examples

using-openspace/navigation/camera-paths-scripting.md:157

• Capitalization: "Github" should be "GitHub".

If you encounter any issues, or have ideas for improvement, please report them on Github or contact the OpenSpace team.

• Files reviewed: 2/3 changed files
• Comments generated: 8
• Review effort level: Lite

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[alexanderbock]

Some slightly other language for the bounding sphere? Could we use the "Is Focussable" as a good standin for the things that have a bounding sphere? Thinking some text like:

For the fly-to to work correctly, the target node must have a valid size; if an object is focussable in the user interface is a good indicator whether that size has been set.

[WeirdRubberDuck]

Sounds good to me :)

[alexanderbock]

Is there a specific reason for the manual line break? I'd have guessed that the text will be broken correctly when rendering the doc?

[WeirdRubberDuck]

Text in code blocks is not automatically line-broken, but instead leads to a horizontal scrollbar when the page is too small to fit:

[alexanderbock]

Oh... alright! Nvm then