[OSM-dev] Need special data extracts

Tim Teulings rael at edge.ping.de
Sun Feb 21 18:27:33 GMT 2010


(ah, another german :-)). 

>> I have not yet found a more
>> convinient way than downloading a planet.osm

> You may want to query the XAPI for the relevant data
> http://wiki.openstreetmap.org/wiki/Xapi

"Unlike the main API which restricts queries to 0.25 square degrees, XAPI 
allows much larger requests, up to 100 square degrees" 

So I could not get all capitals in one go but must call it multiple times... 
Not nice but doable. 

I could ask for nodes of type 'place=city' to get large cities and 
'capital="yes"' (if I can judge 
http://www.openstreetmap.org/browse/node/240109189 correctly) to filter for 
capitals (I can add two conditions, can't I?). 

Fine, so this may be a way to get large cities, capitals and possibly also 
other POIs (while POIs likely do not have a tag for "wellknown"). 

But how do I get continent and country shapes together with their names (see 
my other response)? 


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