On 06/11/2013 05:29 AM, Marc Gemis wrote:
An update on my problem with postalcode 12 appearing on some roads in
Rumst when you do a seach on openstreetmap.org
<http://openstreetmap.org>.
I posted my question in the help forum. One of the nominatim
maintainers (I assume), dropped the node that was tagged with postal
code 12. It was somewhere in the nominatim database and could not be
removed by editing via Josm (or another editor).
Since then I found that nominatim often returns the wrong postal code
for streets in Hingene. I assume it is caused by their "closed node"
algorithm, which return a 9000 code, simply because it's the nearest
node with a postal_code. I solved this by adding a postal_code tag
with the correct number on the street itself. An associated street
relation with the correct number does not work.
Marc,
Tx for the information, I'm compiling nominatim documentation about the
inner workings and this goes against everything I learned so far,
especially the associated street relation not taking precedence in this
case is quite surprising to me with what I know so far. Very
interesting. Now I know for sure that I don't know it all yet.
By going to the nominatim code and the database schema's I was about to
debunk my own words in the past, now I need to re-reconsider. (I've set
up several myself and use them in production). Seems that noone can
really explain in simpel steps how the inner things work so I was giving
it a try. Really appreciate you taking the time to share this.
glenn
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