On Fri, 28 Dec 2018 at 20:30, Joseph Eisenberg <joseph.eisenb...@gmail.com> wrote:
> Have you seen any areas of mangroves tagged over water? That is, > outside of the coastline or over natural=water or waterway=riverbank > areas? > > I would like to be able to render mangroves with a fill color, as with > wetland-swamp, a similar environment. But this will case a large > change in the appearance of the coastline if many areas have been > tagged outside of the coastline, over the water. > > Generally I have been mapping mangroves with the limit of the > trees/shrubs as the coastline, as recommended on this list a few > months ago. This appears to be similar to how most swamps are mapped, > even though a swamp may actually be mostly flooded. > > The wiki page does not clearly specify this, but it does seem to imply > that mangroves are mapped over land, as it recommends using a > multipolygon if there are areas of open water or "other land" within > the mangrove - implying that mangroves are a type of "land". > https://wiki.openstreetmap.org/wiki/Tag:wetland%3Dmangrove > > - Joseph > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging As they are tidal and the OSM wiki doesn't even count the part of the beach that gets wet as beach [1] (despite the picture). I would expect mangrove to be (almost) entirely on the "wet" side of the coastline. -Alan 1 : https://wiki.openstreetmap.org/wiki/Tag:natural%3Dbeach
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