[OSM-dev] Extracting polygons from planet.osm - take 2

Keith Sharp kms at passback.co.uk
Fri Mar 16 10:43:37 GMT 2007


On Fri, 2007-03-16 at 11:37 +0100, Frederik Ramm wrote:
> Hi,
> 
> >> Wouldn't it be better to only output segments with both nodes  
> >> defined?
> >> i.e. && instead of ||
> >
> > I have to admit this part is a copy and paste from Frederiks  
> > original so
> > I'll have to leave to him to comment :-)
> 
> Well my idea was to make sure that anything inside the given polygon  
> is exported; so part of a segment lies within, it gets exported, and  
> if one single segment of a way lies within, then the way will also be  
> exported. But looking at it now, you are right... while it makes  
> sense to export a way of which you do not have all segments, it does  
> not make a lot of sense to export a segment of which you only have  
> one node. (Unless that segment were tagged and would lend some  
> meaning to the single node, but we don't want tagged segments.)
> 
> So yes, I'd say it is sensible to accept Robert's suggestion.

Changed, thanks!

Keith.





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