[Tagging] Blatant tagging for the renderer: bridges & abandoned railways

[John F. Eldredge]

If the bridges are still present, the map should render them even if the 
rails and railbeds on either side of the bridge have been removed. After 
all, we are supposed to map the ground truth, and if the bridge is still 
present, that is the ground truth.

-- 
John F. Eldredge -- john at jfeldredge.com
"Darkness cannot drive out darkness; only light can do that. Hate cannot 
drive out hate; only love can do that." Dr. Martin Luther King, Jr.



On March 9, 2015 9:35:59 AM Tom Pfeifer <t.pfeifer at computer.org> wrote:

> Michael Reichert wrote on 2015-03-09 15:27:
> > Am 2015-03-09 um 15:22 schrieb ael:
> >> I have resorted to changing railway=abandoned to railway=disused
> >> on several occasions just to get mapnik and friends to render
> >> bridges. Bridges over roads and rivers are major features of relevance
> >> to tall vehicles and boats, so really should show up on standard
> >> rendering.
> >>
> >> According to the wiki railway=abandoned applies when the rails have been
> >> removed, and disused should be used when the rails are still present.
> >>
> >> Not suprisingly this has been raised before, as for instance at
> >> http://wiki.openstreetmap.org/wiki/Talk:Railways.
> >>
> >> I don't like tagging for the renderer and normally avoid it, but in this
> >> case it seems to be necessary to maintain the reputation of OSM/mapnik.
>
> Michael Reichert wrote on 2015-03-09 15:27:
> > Would you please change this back?! There also other maps using OSM data
> > which rely on good and exact tagging!
> > http://openrailwaymap.org
> >
> > There is no reason to increase "the reputation of OSM-Carto". If it
> > renders bad images, they bad and the stylesheet has to be fixed, not the
> > data!
>
> +1, please tag what is on the ground,
> and railway=abandoned is not rendered on carto by decision, read here:
> https://github.com/gravitystorm/openstreetmap-carto/pull/542
>
> tom
>
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