[OSM-talk] Yet another street number scheme

Rory McCann rory at technomancy.org
Wed Oct 22 16:06:01 BST 2008


On 16/10/08 18:26, Karl Newman wrote:
> There is nothing to associate 
> the node to the street other than MAYBE the name, which is pretty poor 
> for a relational data model. It could be misspelled or linked to the 
> wrong street with a similar name or even just the wrong section of the 
> street. Also, consider the case where a road makes a tight U-turn, and 
> the address node is placed somewhere in the middle. It's entirely 
> possible (in fact, I can guarantee it will happen somewhere in the 
> world) that the the node will be associated with the wrong portion of 
> the street.

The Karlsruhe schema has an optional spec for using relations to match 
buildings with the street: 
http://wiki.openstreetmap.org/index.php/Proposed_features/House_numbers/Karlsruhe_Schema#Case:_Relations_.28easy_for_computers.2C_difficult_for_humans.29

Rory




More information about the talk mailing list