[why2025-terrain] WHY map on garmin

[Philip Homburg]

In your letter dated Mon, 4 Aug 2025 21:18:57 +0200 you wrote:
>The map consist out of a lot of data, ordered in multiple tables, 
>geometry types etc.
>It is not possible to export just ALL information to a GeoJson file.
>
>Can you be more specific of which data layers you would like to have? 
>Then I could have a look at what is possible.

It would be nice to have
- roads,
- village areas,
- buildings, including toilets, etc.,
- natural terrain features such as water.