[Talk-ca] Cleanup of addr:country, addr:province, addr:state

Matthew Darwin matthew at mdarwin.ca
Mon Feb 19 17:14:41 UTC 2018

Hi John,

If we want to be able generate mailing addresses from OSM (is that a 
valid use case?), then whatever the city address Canada Post thinks we 
are in needs to be tagged in some fashion.   Google maps and Bing maps 
both think I'm in "Kanata".  OSM thinks I'm in "Kanata North". Both 
are correct, in different ways.

If I we want to do reverse geo coding using OSM data, then the mailing 
address should be represented in some fashion because that's what 
people expect to see.

https://wiki.openstreetmap.org/wiki/Key:addr says about addr:city: 
/May not be required if boundary=administrative 
<https://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative> is 
used correctly. May or may not be a clone of is_in:city 
<https://wiki.openstreetmap.org/wiki/Key:is_in:city>=* (in some places 
the city in the address corresponds to the post office that serves the 
area rather than the actual city, if any, in which the building is 
located)! The name of the city as given in *postal addresses* of the 
building/area. /(emphasis added)

BTW, this is one of the reasons I started all these discussions about  
aligning Canada OSM data... I was trying to use OSM to build a map for 
a community group and rather than just doing post-cleanup work on the 
map data in my own private copy, I thought it might be better to see 
what data we could align and make useful for everyone.  I'll only take 
it as far as consensus is achieved.

On 2018-02-19 11:25 AM, john whelan wrote:
> So what we are saying is the city field should be filled in not with 
> the physical city but with Canada Posts thoughts of the day?
> Orleans is different.  It never was a municipality.
> Cheerio John
> On 19 February 2018 at 11:17, Matthew Darwin <matthew at mdarwin.ca 
> <mailto:matthew at mdarwin.ca>> wrote:
>     Hi John,
>     I live in Kanata.  If I type my "<number> <street> Ottawa" into
>     the Canada Post lookup tool
>     (https://www.canadapost.ca/cpo/mc/personal/postalcode/fpc.jsf?LOCALE=en
>     <https://www.canadapost.ca/cpo/mc/personal/postalcode/fpc.jsf?LOCALE=en>),
>     it helpfully corrects me to "Kanata".   Same for old "City of
>     Nepean" addresses.   Try "1000 Palladium Drive, Kanata, ON"
>     (Canadian Tire Center).
>     As far as I know, within the City of Ottawa, everyone's postal
>     address uses the pre-amalgamted city names while the city hasn't
>     yet finished de-duplicating street names.   So addr:city should
>     probably be filled in accordingly.
>     On 2018-02-19 11:07 AM, john whelan wrote:
>>     I seem to recall from talking to Canada Post that Orleans is
>>     the only location for which that is true.  All of Orleans is
>>     located within Ottawa. So how do you tag it?  It is within the
>>     City of Ottawa these days.
>>     Thanks John
>>     On 19 February 2018 at 10:44, Matthew Darwin
>>     <matthew at mdarwin.ca <mailto:matthew at mdarwin.ca>> wrote:
>>         Hi Clifford,
>>         (It was good to meet you at SOTM US last year).
>>         Thanks for your comments... The situation with addr:city
>>         appears to me to be more complex than the situation with
>>         addr:province/addr:country, along the lines of what you are
>>         mentioning. My personal home mailing address cannot be
>>         resolved in OSM because the mailing address does not match
>>         any of the boundaries.  (OSM boundaries are correct, but
>>         the official post address cannot be resolved from the
>>         boundaries). So I have a feeling that addr:city is going to
>>         be required, at least in some cases.
>>         Do you have a view on addr:province/addr:state or
>>         addr:country? US/Canada probably have more similarities
>>         than differences, so your input is very welcome.

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