[Tagging] Another multipolygon question

Mateusz Konieczny matkoniecz at tutanota.com
Sun Oct 21 17:40:59 UTC 2018


Is forest starting immediately on the water edge or is there a beach/marsh/whatever betweenwater and forest?
With shoreline as border of both water and forest it is OK to reuse it, if there is - evencurrently unmapped - feature between them then reusing ways is only going to make 
life of future mappers more irritating.

20. Oct 2018 11:38 by daveswarthout at gmail.com <mailto:daveswarthout at gmail.com>:


> Another situation that occurs quite frequently in my mapping (in Alaska especially), is when an island defined by natural=coastline is also covered right to the water with natural=wood. Usually, I duplicate the coastline, shrink it a bit, and then tag it with natural=wood. But yesterday I tried something new, new for me anyway, and that was to create a single-member multipolygon from the coastline way and then tag the resultant relation with natural=wood in order to reduce the number of nodes used. I was pleased that JOSM didn't complain and that the island seemed to render okay but I'm not sure this is a legitimate procedure. 
> ,
> The island is at 58.56588, -152.59579 and the relation ID=8828482
> What do you think is the best approach to handle this situation?
> Dave
>
> -- 
> Dave Swarthout
> Homer, Alaska
> Chiang Mai, Thailand
> Travel Blog at > http://dswarthout.blogspot.com <http://dswarthout.blogspot.com>
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