[OSM-talk] Giving everything a unique ID

[Emilie Laffray]

On 3 June 2010 15:38, Serge Wroclawski <emacsen at gmail.com> wrote:

> On Thu, Jun 3, 2010 at 5:39 AM, Pieren <pieren3 at gmail.com> wrote:
>
> >
> > What external applications need from OSM is a persistent ID for
> persistent
> > objects. If a business moves, then use a yellow page application to find
> the
> > new address.
>
> I'm sorry to jump into this thread from hell, but you've touched on a
> question that's been unclear to me from the beginning of this
> discussion, which is "What does an permanent object mean?"
>
> A common thing for me to do as a mapper is manually collect POIs while
> walking, upload them, and then later, using sources like imagry, get
> rid of my nodes and replace them with ways (eg buildings).
>
> So is the permanent object the node? Is the permanent object the POI?
> What if the POI moves? If I tag the public library as a POI node, then
> do a building trace, that's one POI- but what if the library moves (as
> my local library is planning on doing). Does that permanent object
> move with the library, or does it stay with the building?
>
>
The idea behind John's idea is that the permanent UUID is linked to your
library. So if your library moves, you need to move the UUID tags to the new
building. It is meant to be associated with the "moral" entity like a
library, a shop, etc... "Moral entity" might not be the best term but it is
close, I think.

Emilie Laffray
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