[Tagging] Another multipolygon question

[Warin]

Err .. in some places .. 'leaves down' does not occur :)


On 22/10/18 04:59, Kevin Kenny wrote:
> I'm somewhat familiar with a couple of places that Alaska Dave has 
> mapped, and they're the sort of places where the shoreline must be 
> mapped from winter, 'leaves down' aerials, because otherwise the 
> shoreline is obscured by overhanging trees and matted aquatic vegetation.
>
> On Sun, Oct 21, 2018, 13:42 Mateusz Konieczny <matkoniecz at tutanota.com 
> <mailto:matkoniecz at tutanota.com>> wrote:
>
>     Is forest starting immediately on the water edge or is there a
>     beach/marsh/whatever between
>     water and forest?
>
>     With shoreline as border of both water and forest it is OK to
>     reuse it, if there is - even
>     currently 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
>
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