Le samedi 05 décembre 2009 à 14:56 +0100, Skywave a écrit : > I was talking about the comparison between Cadastre and the Spanish > Data, i don't have the exact data of the borderstones, but the Spanish > data seems to be following it more, the Cadastre data has more curves > but the difference is measured in centimers not meters. There are a > few bordersstones in the database, one by me, a couple by others, they > match both the Cadastre and the Spanish data. But imo if you would > draw a line between each borderstone it would look more like the data > from the Spanish source
Now, I know the tag for borderstone (historic=boundary_stone) :) but it's not rendered by mapnik :( > And i know the difference between cadastre, CIA, and the Spanish data, > as they were imported by me in that region. Cadastre.fr has of course > also country borders as they share borders, the Spanish data i got > from a file sent by the importer, the CIA data should be deleted as > soon as possible. OK, that allright. > The data from the French cadastre is just fine for the purpose in OSM, > i have only slightly altered the existing Cadastral borders in the > Pyrenees Orientales: i cleaned out some unnecessary nodes and cutted > it in pieces to fit in the Spanish relations. I've deleted the > Andorrian-Spanish border, as it was from the CIA world databank > > http://www.openstreetmap.pl/balrog/limites-omitidos.osm.bz2 Beware with your limits, it's not always better. It does not follow natural border like river Arneguy http://sautter.com/map/?zoom=16&lat=43.10889&lon=-1.28235&layers=00B000TFFFFF Border stone #225 http://sautter.com/map/?zoom=18&lat=43.00806&lon=-1.14266&layers=00B000TFFFFF (here, french cadastre is also not really exact :/ Track way from my own GPS should be in France...) Librement, -- Christophe Merlet (RedFox)
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