[OSM-talk] Nominatim & US places

andrzej zaborowski balrogg at gmail.com
Tue Jan 4 03:13:29 GMT 2011


On 4 January 2011 04:10, andrzej zaborowski <balrogg en gmail.com> wrote:
> On 4 January 2011 00:25, Kurt Roeckx <kurt en roeckx.be> wrote:
>> On Mon, Jan 03, 2011 at 03:24:34PM -0600, Toby Murray wrote:
>>> On Mon, Jan 3, 2011 at 3:12 PM, Kurt Roeckx <kurt en roeckx.be> wrote:
>>> > Having a node to indicate the center of a town/city/... can be
>>> > useful too, even if you already have a boundary for it.
>>>
>>> It seems like duplicate information to me. Like mapping a walmart with
>>> both a building outline tagged as a shop and a point in the middle
>>> tagged the same way. What do you define as the "center" of a town? If
>>> it is just the centroid of the border polygon then this can be
>>> determined from the boundary. If you mean the central business
>>> district or town hall, then that should be mapped appropriately with
>>> landuse and building polygons.
>
> There's a practice to add such a node to the boundary's relationwith
> the role admin_centre (and other *_centre's I guess), which is easier
> for a tool to understand than a bunch of building polygons.

I should say that there are also comments that it's an abuse of the
boundary relation to add other data than the boundary to it, and
really it needs a new relation type (type=place?) that woudl
incorporate the boundary, the central node(s), and other data.

Cheers



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