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

[David Groom]

Looking at some of the relevant ways it certainly is a mess, as pointed out by Dermot Mcnally see http://lists.openstreetmap.org/pipermail/talk/2008-August/028661.html

No one replied on list to his post.

I may be wrong, but I'm not sure that Mapnik yet supports the tag waterway=riverbank, which may be why there is such a jumble of tags applied to the ways making up the Thames.

In theory (leaving aside the question of tagging tidal rivers) the only required tagging is waterway=riverbank, but if Mapnik doesn't support it I assume people have being adding natural=water, and in places natural=coastline to try and force the rendering in mapnik.

This has led to some ways being tagged as natural = water, natural = coastline, waterway = riverbank. When you throw in the fact that ways tagged as natural = coastline don't need to be in relations to correctly show islands, but it is suggested that relations be used on the tags waterway = riverbank you get a complete mess.

Whilst the relevant ways could be tidied up, and just tagged as waterway = riverbank, there seems little point in doing so until Mapnik supports this tag, as someone I am sure will come along and retag natural = water, natural = coastline to try and force the rendering again.

David


  ----- Original Message ----- 
  From: Gregory 
  To: talk at openstreetmap.org 
  Sent: Wednesday, August 20, 2008 10:26 AM
  Subject: [OSM-talk] Me and Ed Parsons are drowning!



  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.

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



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