[OSM-talk] All you've ever wanted to know about the french cadastre

Jean-Marc Liotier jm at liotier.org
Thu Sep 27 14:44:31 BST 2012


On 27/09/2012 15:29, Simon Poole wrote:
> Just so there is no misunderstanding: even taking address tagged nodes 
> in to account, the addresses / houses ratio is lower and at best not 
> different than in other countries without countrywide access to  
> cadastre-like sources. 3% with nodes, 0.6% without, comparision CH: 
> 18% / 12%. The numbers are from the respective taginfo instances.
>
> So the question remains why the information in not being added to the 
> outlines.
Because the cadastre work is an armchair mapping process whereas the 
address tagging requires local survey. They are often done by two 
different type of contributors.

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