> > In any case, ways would need to be mandatory tagged as "boundary" (if it's > > part of a polygon). > > Nope! By being part of a relation, they are implicitly a polygon boundary. Yep! Of course you can do much with relations... But there are simpler and more reliable ways from an encoding perspective. That's a first big pro for having area as a distinct data primitive. The other pro is that being a primitive it's semantically clear what's being meant.
> It currently is a semantic distinction, so the answer is "tags". That's again something one should definitely avoid: Don't make such an important geometry type like area dependent on user tags. - S. 2008/5/6 Iván Sánchez Ortega <[EMAIL PROTECTED]>: > El Martes, 6 de Mayo de 2008, Stefan Keller escribió: > > > If it's closed it's unambiguous > > > > How do you make a difference between streets that are closed and areas, > > encoded as closed ways? > > It currently is a semantic distinction, so the answer is "tags". > > -- > ---------------------------------- > Iván Sánchez Ortega <[EMAIL PROTECTED]> > > Un ordenador no es un televisor ni un microondas, es una herramienta > compleja. >
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