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Make a concave hull around simple feature object by attribute

Source: R/st_concave_hull.R
st_concave_hull_ext.Rd

Make a concave hull around simple feature object by attribute

Usage

st_concave_hull_ext(
  x,
  by = NULL,
  centroid = FALSE,
  ratio = 0.5,
  allow_holes = FALSE
)

Arguments

x

A sf object.

by

Column name to use for grouping and combining geometry, Default: NULL

centroid

If TRUE, use centroids for geometry of x, Default: FALSE

ratio

numeric; fraction convex: 1 returns the convex hulls, 0 maximally concave hulls

allow_holes

logical; if TRUE, the resulting concave hull may have holes