sutter at intransix.com
Sat Dec 8 17:27:57 GMT 2012
On the contrary, in my opinion the literal address is the proper link
between the map and a POI database. Addresses were invented exactly
for the purpose of identifying a physical location. If someone asks
you where you live you give them your address.
I would also extend beyond postal addresses to use the ref tag too.
The content of the ref tag should be the human name for an object,
such as 314 for a room. An external database would also use these
references, such as to give the location of a university class. (This
might require us to improve the ref tags a little. We might want to
allow for some additional tags to allow the ref to be more specific.)
On Fri, Dec 7, 2012 at 4:54 PM, Steve Bennett <stevagewp at gmail.com> wrote:
> On Sat, Dec 8, 2012 at 1:37 AM, Janko Mihelić <janjko at gmail.com> wrote:
>> How would you connect POIs that have no address?
> Logically, you would make the connection through some kind of permanent ID
> - not literally an address. I believe there have been various discussions
> about permanent IDs, but nothing has been implemented. Various people
> (myself included) have at times (mis)used objects' IDs in this way, but
> their stability is not guaranteed, and smart people who know what they're
> talking about recommend strongly against doing this.
>>> A large proportion of POIs are very relevant in that context, so
>>> presumably a new mechanism for generating maps involving at least two
>>> distinct data bases would be required?
> Yeah, you'd definitely need a service that combines the two. Or rather,
> services that combine the OSM database with various other non-OSM databases
> is useful ways. But I don't think that's such a big deal - if I understand
> correctly, data downloads are all handled through service calls currently:
> no one downloads a copy of the actual raw OSM database itself.
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