On Tue, Jul 6, 2010 at 10:07 PM, Alan Mintz <[email protected]<alan_mintz%[email protected]> > wrote:
> It's exactly because they are added from different sources that it is > incorrect to merge them. If you adjust a border from a "more accurate" > source, you should adjust that border, not everything else that is glued to > it (other than that of it's neighbor siblings). The source you use for the > border is correct for the border alone. It may happen to coincide in places > with the physical centerline of a feature, but that doesn't necessarily mean > they are the same thing. > > -- > Alan Mintz <[email protected]> > > > You missunderstood : the definition of the border IS the middle of the road or river. If we find a legal source for the admin boundary, it is most of the time less accurate then a GPS trace following the feature irl. Pieren
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