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Hi Sébastien,
Probably not an issue and more of a "missuse", but hoping this is a good place to ask you about it:

I want to assign a df of Danish anglers (sea and inland waters) to their most probable municipality. So I thought of using regional_seas to add a coastal buffer around this municipality layer of Denmark, to try and catch the offshore anglers.

In the process, I lose a few of the municipalities, which seem to be the landlocked ones. Then, when I use the resulting layer to filter and assign the anglers, I'm missing many inland points.

• Does the function "dissolve" the inland municipalities?

(Maybe this?
# Remove inside terrestrial parts
st_difference(x_union) %>%
st_cast()
)

• Am I using it as intended, or did I missunderstand?