[OSM-dev] duplicate segments

[Artem Pavlenko]

On Sunday 11 February 2007 12:09, Jon Burgess wrote:
> On Sun, 2007-02-11 at 11:11 +0000, Artem Pavlenko wrote:
> > Hello ,
> >
> > As a attempt to imporove text labels rendering on OSM I was looking at
> > the original data and I found _lots_ of cases like this:
> >
> >  <?xml version="1.0" encoding="UTF-8"?>
> > <osm version="0.3" generator="OpenStreetMap server">
> >   <way id="4253585" timestamp="2007-01-27 15:00:40">
> >     <seg id="21468107"/>
> >     <seg id="21468110"/>
> >     <seg id="21468110"/>
> >     <tag k="highway" v="unclassified"/>
> >     <tag k="created_by" v="YahooApplet 1.0"/>
> >     <tag k="name" v="Southampton Place"/>
> >   </way>
> > </osm>
> >
> > Note there are duplicate segments. I was trying to use JOSM to fix this
> > but in JOSM I can only see two segments for this particular way.
> >
> > What is the best way to fix this?
> > Can we have some constraint on master OSM database to ensure ways don't
> > have duplicate segments? Can OSM editors (prior uploading) check this?
>
> As a workaround, osm2pgsql could discard any duplicate segments in a way
> fairly easily.

Yes, absolutely! 

Still it is important to address this in the original dataset, IMHO.
Artem
>
> 	Jon