[OSM-talk] Skip geographical (redundant) address tags

Felix Hartmann extremecarver at gmail.com
Tue May 3 14:50:17 BST 2011



On 03.05.2011 15:05, Pieren wrote:
> On Tue, May 3, 2011 at 2:22 PM, Felix Hartmann 
> <extremecarver at gmail.com <mailto:extremecarver at gmail.com>> wrote:
>
>     +1
>
>
>     boundaries are too often wrong or incomplete or if someone deletes
>     them accidentally (or renames them slightly)
>
>
> again the "is_in" discussion....
>
> All these arguments above are also valid when you put the full address 
> tags. It's always a good practice to avoid duplicated data in a 
> database. It makes only sense if the address cannot be deduced from 
> the boundaries (like in US, it seems).
Nope, it makes sense all the time. Cause boundaries really are not ment 
for deducting information onto what's inside. This really slows down any 
kind of processing (much much more than having data duplicated which 
only takes up a bit more disk space).
> Don't forget the fundamentals : OSM is a geospatial database 
> containing geospatial data. If you are a consumer, use a database 
> server with geospatial functions like postGIS (otherwise we don't need 
> coordinates in nodes). It's true that it requires some skills and 
> learning curves and lazy programmers can always expect that 
> contributors will do the job for them...
>
> Pieren
>
>
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