On 20/01/2012 22:39, Marko Mäkelä wrote: > On Fri, Jan 20, 2012 at 06:43:51PM +0100, Martin wrote: >> I think most of the housenumbers are connected to a street with the >> Karlsruhe-Schema (via relation or normal tagging), or? > I have seen both nodes with addr:* tags and building=* ways with addr:* > tags. Some mappers seem to set addr:housenumber only. I try to set > addr:street, addr:postcode, addr:city, addr:country. House number > interpolation lines are rare around here; I have come across one. > > I guess that the algorithm could be something like this: > > * For all polygons that carry addr:housenumber, create an imaginary > address point for the centroid. How about using building=entrance if available instead of the centroid? That's also more likely to be closer to a street and less ambiguous as to which street. The centroid of a corner building will be closer to the long side, irrespective of where the entrance is.
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