[Talk-ca] Which is preferred? Addr:interpolation with a source or adding in actual addresses?

[Hoser AB]

I mostly map in the Calgary area, and manually add addresses one by one. I
find this is particularly important where buildings may have multiple
addresses, i.e. where an overall complex is composed of multiple buildings
with multiple units, or where a unit or business's address may not be the
same as the building it lies within.

For example this building (
https://www.openstreetmap.org/way/213878776#map=19/51.04573/-114.07918)
with an overall address of 805 - 8 Ave SW has a bagel shop in it (
https://www.openstreetmap.org/node/10239097762#map=19/51.04570/-114.07902)
with the address 809 - 7 Street SW. Having address interpolations along 7
Street is kind of pointless and silly, as the only addresses along that
side of the street are contained within that one building anyway.

Generally in Calgary address interpolations aren't typically on the map in
the first place, but where I have seen them, e.g. in the hamlet of Bragg
Creek (https://www.openstreetmap.org/#map=15/50.9514/-114.5631), I have
deleted the interpolations as I've added the buildings to the map. (And in
the case of Bragg Creek, many if not most of the interpolated addresses
were incorrect to begin with; either backwards or on the wrong side of the
road.)

If the accuracy of the Bragg Creek interpolations is representative of
Canvec interpolations overall, I would suggest we don't keep them...



On Tuesday, May 23, 2023, Pierre-Léo Bourbonnais <leo at leograph.com> wrote:

> Nous (la Chaire Mobilité: username osm: ChaireMobiliteKaligrafy), ajoutons
> manuellement les adresses précises en utilisant des sources offficielles,
> mais cela représente un travail de longue haleine pour véiter les erreurs
> ou les doublons.
> Il ne faut surtout pas importer les addresses en mode automatique, car
> cela va créer des nombreux doublons et il y a plusieurs données erronnées
> dans les sources officielles, qu’il faut corriger, ou au moins atténuer.
>
> Habituellement, quand un secteur est complété dans OSM avec toutes ses
> adresses ajoutées manuellement à chaque porte, on peut alors supprimer les
> interpolations d’adresses, qui ne servent plus dans ce cas.
>
>
> EN:
>
> We (Chaire Mobilité: username osm: ChaireMobiliteKaligrafy), add precise
> addresses using official sources manually, but this represents a long
> process to avoid errors or duplicates.
> It is important not to import the addresses in batch, because this will
> create many duplicates and there are several erroneous data in the official
> sources, which must be corrected, or at least mitigated.
>
> Usually, when a neighbourhood is completed in OSM with all its addresses
> manually added to each entrance, then the address interpolations can be
> removed, which are no longer useful in this case.
>
> On May 23, 2023, at 8:12 AM, Nextonem via Talk-ca <
> talk-ca at openstreetmap.org> wrote:
>
>
> *EN*
> Hi,
>
> here in Montreal, most of the addresses are mapped with
> addr:interpolation, but its with a source a lot of the times, so i was
> wondering if it would be worth it to add the actual address for places that
> have their buildings mapped and then remove the addr:interpolation that
> exists?
>
>
> *FR (utilisant DeepL)*
>
> Bonjour,
>
> Ici à Montréal, la plupart des adresses sont cartographiées avec
> addr:interpolation, mais avec une source la plupart du temps, donc je me
> demandais si cela valait la peine d'ajouter l'adresse réelle pour les
> endroits qui ont leurs bâtiments cartographiés et ensuite d'enlever
> l'addr:interpolation qui existe?
>
>
>
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