[OSM-talk] Mapnik style bug in railway=subway

Christian Quest cquest at openstreetmap.fr
Tue Jul 16 08:16:12 UTC 2013


It may be a data problem...

The dashed way is the following:
http://www.openstreetmap.org/browse/way/207198651
The non dashed one is: http://www.openstreetmap.org/browse/way/207198652

This second way is also part of a relation:
http://www.openstreetmap.org/browse/relation/2777287

To me, it looks like this relation is mixing 2 things:
- type=route + route=subway
- railway = subway

The route is fine, but the railway=subway is creating a duplicate with
the existing railway=subway that are on the ways themselves.
osm2pgsql thus created another "line" object for the whole subway line
which makes mapnik draw the dashed subway line twice... making it
looking as undashed in some parts.

railway=subway should not be on the route relation.


2013/7/16 Maarten Deen <mdeen at xs4all.nl>:
> I'm not sure where to report this, I hope someone here can point me in the
> correct direction.
> Have a look at the subwaylines here [1]
>
> The middle one on the right of the marker is dashed, the top and bottom ones
> are not. All are tagged with tunnel=yes, the only difference is that the two
> that are not dashed have oneway=yes on them.
> It appears that oneway=yes on railway=subway does not get it rendered as a
> tunnel anymore. I think this should be corrected.
>
> [1]
> <http://www.openstreetmap.org/?mlat=51.92378&mlon=4.467769&zoom=18&layers=M>
>
> Regards,
> Maarten
>
>
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-- 
Christian Quest - OpenStreetMap France
Un nouveau serveur pour OSM... http://donate.osm.org/server2013/



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