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[mkgmap-dev] New locator branch

From Martin mkmap at snailrun.de on Thu Mar 17 22:03:57 GMT 2011

Stupid question...
Why don't extract the boundaries with osmosis to a single file.
mkgmap could use this file to complete the boundaries while rendering the maps...


Am 17.03.2011 um 22:57 schrieb WanMil:

>>> And another requirement is also hard to achieve: performance. The branch
>>> is not optimized very well yet. But I am sure that such searches for big
>>> areas from all items of a tile are quite expensive no matter how
>>> optimized they are.
>>> WanMil
>>> _______________________________________________
>> I currently really don't want to use the locator branch, due to it's
>> speed. I need already about 12 hours to compute all maps for weekly
>> updates and osm data alone growing is already a concern. Wouldn't it be
>> enough to use no guessing and just input correct addresses (best with
>> working housenumber search)? The searching for streets not addresses is
>> anyhow kinda strange and seems much more like a workaround than a clean
>> solution.
> Yes ... but how should mkgmap input the correct addresses? ;-)
> In an ideal world you are right. But OSM data is far (very far) away 
> from complete address tagging.
> Beware that all POIs would have to contain a complete set of addr-tags 
> (addr:country, addr:county addr:region(?), addr:city, addr:street, 
> addr:housenumber). The same with the is_in tags for all streets that do 
> not have any POIs attached until now. I havn't tested it but it should 
> not be too complicated to make a statistic with osmosis and a dump file.
> Maybe the completeness of tagging will change within the next 2 years 
> but we are implementing for now.
> WanMil
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