[OSM-talk-be] Postalcode 12 in Rumst - Fixed

[Glenn Plas]

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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