[talk-au] Fwd: OSM Search results return strange stuff for Victoria.

[Kevin Pye]

Mapping postcodes to streets wouldn't fix my Victorian address. If I search
for it I get the wrong suburb and postcode, but I suspect that's because
individual addresses in the street aren't mapped, and the suburb and
postcode are correct for the other end of the fairly short street.

On Wed, 20 Jan 2021 at 11:03, Andrew Harvey <andrew.harvey4 at gmail.com>
wrote:

>
>
> On Wed, 20 Jan 2021 at 10:19, cleary <osm at 97k.com> wrote:
>
>> I was told that the correct tag for places such as towns or suburbs is
>> postal_code=* whereas the addr:postcode tag is for individual locations.
>>
>> However, even with that tag on the suburb boundary, Nominatim is getting
>> it wrong, particularly for streets close to suburb boundaries.  I found
>> multiple examples in Sydney suburbs without much effort. In each case the
>> suburb boundary included the correct postal_code=* tag.  In one instance
>> the postcode shown by Nominatim is the special postcode for PO Boxes in an
>> adjacent suburb, not even the usual postcode for street addresses. I can
>> only presume a business in the area is tagged in OSM with its postal
>> address, a PO Box in the adjacent suburb, and that has been taken by
>> Nominatim as the postcode for this area.
>>
>> Perhaps we need to tag individual streets with postcodes, especially
>> streets near suburb boundaries.
>>
>> One final thought ... perhaps Nominatim reads only addr:postcode=* tags
>> and does not understand postal_code=*   If so, that might explain the
>> anomalies.
>>
>
> There are references to postal_code=* in the Nominatim code base, I'd
> suggest reporting those examples you found to the Nominatim issue tracker.
>
> I'm not sure if you have addresses on opposite sides of a street with
> different postcodes or not, so my preference is to map the actual address
> objects rather than adding a postcode to the road.
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