[Tagging] Fwd: Door to door routing to buildings with multiple occupants

Markus Lindholm markus.lindholm at gmail.com
Tue Dec 4 21:27:29 GMT 2012

On 4 December 2012 17:44, Martin Koppenhoefer <dieterdreist at gmail.com>wrote:

> 2012/12/4 Markus Lindholm <markus.lindholm at gmail.com>:
> >> > it would make it impossible to render addresses and POIs at the same
> >> > time.
> >> this depends entirely on your rendering rules.
> > How would you devise a rendering rule that makes an intelligible map with
> > two icons mapped on top of each other on the same spot?
> why should the address be an icon?

I include numerical digits in the concept of an icon. So to reiterate, your
scheme makes it impossible to render addresses and POIs at the same time.

> >> > The second problem would be that there would be multiple instances of
> >> > the
> >> > same address.
> >> why is this a problem? "The" address would be the sum of all these
> >> occurencies.
> > If you want to calculate a route to or from an address it is preferable
> that
> > there's just one instance.
> you could calculate the centre of all equal address-points, or just
> take the first, it wouldn't make any practical difference.

 If in the real world there's one 10 Main Street, then in the OSM database
there also should be just one instance, IMHO.

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