When mapping street addresses in #OpenStreetMap, the minimum tag you probably need is addr:housenumber and addr:street, or maybe addr:place.
In this example, house numbers 971 and 977 are the only two points actually mapped, and connected by a way tagged with addr:interpolation=odd.
The geocoder still returned the estimated position for the unmapped housenumber, 975.
Read about interpolation here: https://osm.org/wiki/Addresses#Interpolation
It’s a quick method for adding street addresses in @openstreetmap
Address interpolation should be just a preliminary mapping, since it works well only if addresses are equally distributed along the way. But if buildings or entrances are not regular this won’t work.
@Mannivu
I agree that it could be used for initial mapping, and interpolation makes it “work” in some fashion – at the very least, one gets close enough to the area you want to.
That’s slightly better than having no mapped addresses, or mapping individual address POIs, without interpolation.
I agree except for one thing: interpolation is way better than having no address at all. Even if it’s not precise, at least the user can have some routing.