Return the start and end points from lines
Return the start and end points from lines
st_startpoint(x) st_endpoint(x)
x |
line of class |
sf object representing start and end points
library(sf) m = matrix(c(0, 1, 2, 0, 1, 4), ncol = 2) l = st_sfc(st_linestring(m)) lwgeom::st_startpoint(l) lwgeom::st_endpoint(l) l2 = st_sfc(st_linestring(m), st_linestring(m[3:1, ])) lwgeom::st_startpoint(l2) lwgeom::st_endpoint(l2)
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