On 4 January 2011 04:10, andrzej zaborowski <[email protected]> wrote: > On 4 January 2011 00:25, Kurt Roeckx <[email protected]> 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 <[email protected]> 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 _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
