Hi
That page contains
"The Mean low water spring
<http://en.wikipedia.org/wiki/Mean_low_water_spring> is the position of
the lowest tide. There is currently no agreed way of tagging this line
in OSM. One way of tagging it is to tag the area between the mean low
water spring and OSM coastline as natural
<https://wiki.openstreetmap.org/wiki/Key:natural>=wetland
<https://wiki.openstreetmap.org/wiki/Tag:natural%3Dwetland>+wetland
<https://wiki.openstreetmap.org/wiki/Key:wetland>=tidalflat
<https://wiki.openstreetmap.org/wiki/Tag:wetland%3Dtidalflat>."
Methinks that MLW or MLWS should be defined in the way that
Coastline/MHW is.
On 13/07/2019 21:52, Colin Smale wrote:
On 2019-07-13 22:42, Tony Shield wrote:
Hi
I meant that OSM does not have an agreed way of tagging MLWS or MLW.
https://wiki.openstreetmap.org/wiki/Tag:natural%3Dcoastline
That page is about coastline, which is high water, not low water. But
you are probably right. In the case of the UK, there are proxies like
admin boundaries which help a lot, and the OS have been good enough to
survey all this coastal stuff, but there is no way of tagging a line
with "boundary=lwm" or whatever. Should it be a tag on a way, similar
to the way the coastline is tagged? Or should it be a huge relation,
like the admin boundary of the United Kingdom?
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