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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

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[-] Mannivu@feddit.it 7 points 9 months ago

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.

[-] MapAmore@en.osm.town 2 points 9 months ago

@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.

[-] Mannivu@feddit.it 5 points 9 months ago

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.

this post was submitted on 22 Jan 2024
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