I have made several attempts to fix the same area as I posted in my last Diary, and nothing happened. I have never fully grasped the concept of multipolygon relations ( considering I primarily use iD). But what I want to know is the relation between inner/outer, and clockwise/counterclockwise. This might fix the problem, but it may take more time to figure this out. Could I please get some basic knowledge on multipolygons to make things look more realistic? (I also use Potlatch 2 as well)
Discussion
Comment from histor on 11 April 2020 at 18:20
Why not read [osm.wiki/Relation] ?
Comment from iiEarth on 12 April 2020 at 07:03
The forest needs to be deleted, but not the shape; it will convert to a line, and you have to create a relation and set the line as ‘outer’. Next, you make another line inside the forest, and set that as ‘inner’, while making another multipolygon for the grass/bare rock.