On 16/02/2016 16:48, Jean-Marc Liotier wrote:
So is a mole a special sort of pier ? Then definition of "pier" in http://wiki.openstreetmap.org/wiki/Tag:man_made%3Dpier is wrong, as it is not always "a raised walkway over water supported by pillars".
That definition of a pier is correct. Water flows under a pier but not a mole. So the outline of the projecting area of a mole is part of the coastline (or riverbank) whereas a pier is not. I use the tag "man_made=mole". Tags with "pier" in either key or value are inappropriate for a mole.
Also, to complicate the issue, there is also an "open-faced wharf" as opposed to a "solid-faced wharf" (the usual case). An open faced wharf is a pier-like structure (i.e. a deck on piles over the water) but alongside the shore rather projecting from it.
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