18 Aug 2020, 23:29 by [email protected]: > > On 2020-08-18 22:39, Clay Smalley wrote: > > >> If you >> >> On Tue, Aug 18, 2020 at 12:51 PM Colin Smale <>> [email protected]>> > >> wrote: >> >>> >>> On 2020-08-18 20:55, Clay Smalley wrote: >>> >>> >>>> On Tue, Aug 18, 2020 at 11:26 AM Colin Smale <>>>> >>>> [email protected]>>>> > wrote: >>>> >>>>> There are two use cases here: one is "what is the address of this >>>>> building (or whatever)" and the other is the reverse situation: "where >>>>> can I find number XXX". As long as we have tagging that is potentially >>>>> ambiguous we won't be able to cover both. >>>>> In the US I know of cases where an apartment number can follow the street >>>>> address, i.e. 10-321 meaning Street Address 10, apartment 321. In Europe >>>>> I know of the suffix being used to indicate apartment number, or floor >>>>> number - e.g. 379-3 meaning Street Address 379, Floor/Flat 3. Sometimes >>>>> other characters are used for the floor/flat such as A/B/C or I/II/III - >>>>> in these cases it is unambiguous because it is non-numeric. >>>>> >>>> Can you point out some examples? I've never seen that syntax used in US >>>> addresses. >>>> >>> If you mean the US example, some friends were living in Long Island City, >>> Queens, NY, and their apartment address was something like 1100-157 50th >>> Ave. The other examples are possibly typically European. Here in the >>> Netherlands there are all kinds of notations in use for sub-units. The >>> national addressing standard has a field for an alphanumeric "house number >>> suffix" for this that people in IT know about, but the average Johan might >>> not know what a "huisnummertoevoeging" is. Normally the full number, >>> including the suffix, is written together with some kind of separator. >>> >> >> I think you misunderstand hyphenated addresses in Queens. The second part of >> the hyphenation is not a flat/apartment number. As an example, the Dunkin >> Donuts at the corner of 31st St and 36th Ave has an address of 31-02 36th >> Ave, with no apartment number. The US Postal Service considers this to be >> equivalent to 3102 36th Ave, and will deliver mail to the same place >> regardless of whether you include the hyphen, though the address written on >> the entrance is hyphenated. Most building numbers in Queens have a hyphen >> before the last two digits. >> >> > Thanks for the explanation.. It is indeed a while ago since I was there. Any > idea how this is structured in IT systems? Is "house number" alphanumeric? > Are the two parts stored separately? Or is it simply a question of > formatting, inserting a "-" before the final two digits? > > Maybe we should use a different character to indicate a range, such as a > slash? > Slash is used in Poland to separate housenumber from unit number. For example 22/5 Streetname would be house 22 at Streetname, flat number 5. Using it for range would be unbelievably confusing And at least some addresses are in form addr:housenumber=1-3 denoting single housenumber, not a range. I added recently such example to a Wiki page about addresses. > > >>> There are also areas where the whole neighbourhood has a single street >>> name, and everybody has a very long house number; the initial digits of the >>> house number indicate the specific road within the neighbourhood. Sometimes >>> these house numbers are written as 123-45 to aid navigation. >>> >> >> Examples? >> >> > https://www.openstreetmap.org/#map=17/51.80636/5.80412 > > https://www.openstreetmap.org/#map=17/51.83527/5.78425 > > https://www.openstreetmap.org/#map=18/52.29739/4.68692 > >
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