[OSM-talk] Me and Ed Parsons are drowning!

Gregory nomoregrapes at googlemail.com
Wed Aug 20 22:35:08 BST 2008


It's on Osmarender that it's currently flooded.
I thought I should let you all note that The Thames is tidal upto Teddington
Locks (where Ferry Road is).
http://www.openstreetmap.org/?lat=51.43027&lon=-0.32192&zoom=15&layers=0B0FTF


2008/8/20 Dermot McNally <dermotm at gmail.com>

> 2008/8/20 Gregory <nomoregrapes at googlemail.com>:
> >
> > The Thames River has flooded...
> >
> http://www.openstreetmap.org/?lat=51.4084&lon=-0.3652&zoom=12&layers=0B0FTF
> >
> > Has someone done something that will be fixed when it rerenders? Or could
> > someone please have a look at it.
> > I don't know much about how riverbanks and the likes are supposed to be
> > done.
>
> I can explain some of the background to this - and I'll copy in
> Carsten, since I think he did some recent work on this. Basically, the
> long-standing (odd) tagging was working for Mapnik and Osmarender in a
> classic "tagged-for-the-renderer" kind of way. But when Garmin maps
> were produced with mkgmap, the Thames flooded. My post a few days ago
> was on the foot of a thread on the German list, looking to see if
> there was a reason it shouldn't be retagged with a view to adopting
> standard tagging and thus enabling it to work in all three cases (and,
> we'd hope, others).
>
> From what I can see of work I did on the river Shannon, Mapnik does,
> in fact, kind of support riverbank, in that it renders a blue outline,
> but doesn't fill it with water. That's nothing that should cause a
> flood, though. Furthermore, a "nicer" flawed tagging scheme that will
> allow the fill is to add an additional natural=water tag to the closed
> riverbank way. IMHO, we shouldn't do this, as an ugly Thames is a good
> catalyst to provoke Mapnik support. It would in any case be a shame to
> reintroduce the coastline this far inland.
>
> Carsten, do you have any theories about the likely cause?
>
> Dermot
>
> --
> --------------------------------------
> Iren sind menschlich
>



-- 
Gregory
nomoregrapes at gmail.com
http://www.livingwithdragons.com
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