[Tagging] covered definition in the wiki

[M∡rtin Koppenhoefer]

2010/7/20 Richard Mann <richard.mann.westoxford at googlemail.com>:
> Layers don't work when there are area/way conflicts, because the norm
> for rendering is to draw areas first then ways on top. So you have to
> have a flag that says "this way isn't really on top". We have a
> perfectly adequate flag for this function (tunnel=yes), but people
> objected to using that for things that are not strictly tunnels. So we
> spawned "covered" as an alternative. I suspect it's also used to flag
> whether a walkway is covered or not, which is a rather different
> situation.


exactly, there is a lot of application cases and I don't see why our
definition should be so arbitrarily restrictive.


> In the UK
> covered=yes 345
> covered=no 480
> tunnel=yes 7662


I suspect this is also due to the fact that covered=yes doesn't
currently get rendered.

cheers,
Martin