[OSM-talk] Karlruhe Scheme addressing ways from 2009 TIGER data

Apollinaris Schoell aschoell at gmail.com
Sun Nov 15 01:55:22 GMT 2009


>
> What really needs to be done for TIGER addresses import is match the
> streets from TIGER to those in OSM (which should be easy since they
> all still have the TIGER id's) and generate the address geometry based
> on these.  Otherwise someone will need to do all of the geometry
> corrections that people have done for this data in the last nearly 2
> years.
>

matching Tiger id's is a very bad idea. you need to compare  
geometries. during edits ways are split, merged copied moved, deleted  
nodes added node, …
matching id only a good idea if the way version is 1 and all nodes are  
version 2 (assuming the attribute cleanup on nodes is finished soon)


> Cheers
>
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