Limit Notes result by administrative boundary?

[stephan75]

Whithout having searched whether there has already been an issuel / feature request like this:

So far it is possible to limit the Notes search result by the current map view bounding box.

Would it be possible to display only notes that are inside a certain OSM boundary relation?

Like inside Gemeinde Buxtehude, Landkreis Osterholz-Scharmbeck or Hamburg-Blankenese, to name but a few examples in Germany?

Would it be quite hard or more easy to implement such a feature in NotesReview in general?

[ENT8R]

This was already proposed in #100, even though the author of this ticket requests to filter by country only, if I implement this I will very likely not restrict it to selecting single countries but rather allow the user to specify their own desired boundaries, similar to how OSMCha handles this.
One of the main tasks I need to do before implementing this is to find out how good the performance of the database is when users can input arbitrary (complex) boundaries.

[stephan75]

I understand ...

So what about the following ideas for a FIRST workflow model:

Have a look at https://geojson.io where you can draw rectangles and polygons on a map, and get a json file with its coordinates.

Implement such a drawing feature for Notes review on a slippy map.

thus you obtain a SIMPLE boundary for the beginning,

and then try a filtering with that to have all notes inside that square or polygon.

(I have NO knowledge about the database things that would be needed for such a task.)

When this first model works well, we could examine the performance when filtering geometries get more complex.

[ENT8R]

BTW, a few months ago I finally implemented this functionality, it is now possible to restrict the results to selected countries or custom user-defined shapes: