On 04/07/19 20:09, Janko Mihelić wrote:
I've been tagging it with an empty amenity=school polygon around everything, and then two points with amenity=school + name=* + all the other specific tagging.

I too have used similar.
Usually a polygon/way with one school on it and then a node inside it for the other school, or schools if more than one.


But if mapped like that, a data consumer would see 3 schools. I like your solution with overlapping multipolygons.

Janko

On one occasion I have separated then into 2 separate ways, I am certain that some of each area will be shared from time to time, but it seams to be a good compromise. Every other time I have not had any reasonable chance of doing this.

Most people would consider amenity=school to be a land use, along with other tags such as leisure=recreation_ground.


čet, 4. srp 2019. u 09:58 Martin Koppenhoefer <dieterdre...@gmail.com <mailto:dieterdre...@gmail.com>> napisao je:

    The one feature page states:

      * More than one of something on the same site e.g. two schools
        sharing grounds. Normally if the schools are separate they
        would have separate neighbouring grounds, but if the only
        thing defining a separation between two schools is their
        buildings, then the containing area should be tagged with a
        suitable landuse
        <https://wiki.openstreetmap.org/wiki/Key:landuse>=*, and the
        buildings tagged individually.


    from
    
https://wiki.openstreetmap.org/wiki/One_feature,_one_OSM_element#Examples_of_bad_situations

    I don’t believe this is common practice, e.g. there isn’t even a
    landuse value for schools.
    I would rather tag 2 schools with distinct buildings and shared
    grounds as 2 overlapping amenity=school areas with the “other
    buildings” (those of the other school) excluded via multipolygon
    inner roles.

    If we did like currently suggested in the wiki it would also loose
    the information about the grounds (only the buildings would result
    as schools).

    Cheers, Martin


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