[OSM-talk] Adding Addresses to OSM

[Andy Robinson]

I think postal codes stopped the need to hold a lot of address data. Since
we don’t have postal_codes then we may want to use historical address
sources instead.

Andy Robinson
Andy_J_Robinson at blueyonder.co.uk 

>-----Original Message-----
>From: talk-bounces at openstreetmap.org [mailto:talk-
>bounces at openstreetmap.org] On Behalf Of Thomas Walraet
>Sent: 12 September 2006 11:17 PM
>To: talk at openstreetmap.org
>Subject: Re: [OSM-talk] Adding Addresses to OSM
>
>TM a écrit :
>>
>> One reason to separate the address nodes from the road data is the
>> amount of data -- and work -- involved. Creating a street map of the
>> world is pretty ambitious, and mapping every house is downright
>> ludicrous.
>
>For town map, it's very handy to have house number at each intersection.
>Most detailled maps show that. It help to pick the right subway station
>to use for a given address even if the road is very long (longest is
>4,36 km in Paris).
>
>I think OSM should handle this info (keeping the position of each number
>along the road is more arguable. I even wonder if anybody is doing it,
>as all applications I saw seems to approximate the position for a given
>address on the road)
>
>
>The problem is : How to tag this ?
>
>First thought is to put it on nodes at each end of a way, but many ways
>can use the same node. And it they're is the problem of road side.
>
>
>On second thought, it should go on the way.
>
>   11    9     7     5        3     1
>   B<------<------<---------<-------A
>    10        8       6        4    2
>
>The way from A to B could be tagged with something as
>start-right-number=1, start-left-number=2, end-right-number=11,
>start-left-number=10
>
>
>Quite a work... And it assumes that the way have one start and one end
>(correctly order segment with no Y shape)
>
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