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convhull

Convex hull

Description

Get the convex hull of a vector dataset

Usage

## S4 method for signature 'SpatVector'
convHull(x, by="")

Arguments

x

SpatVector
by

character (variable name), to make convex hulls by group

Value

SpatVector

Examples

p <- vect(system.file("ex/lux.shp", package="terra"))
h <- convHull(p)

hh <- convHull(p, "NAME_1")
plot(hh, "NAME_1", col=rainbow(10, alpha=.5), lwd=3)
lines(aggregate(p, "NAME_1"), col="blue", lty=2, lwd=2)
terra

Spatial Data Analysis

v1.2-10
GPL (>= 3)
Authors
Robert J. Hijmans [cre, aut] (<https://orcid.org/0000-0001-5872-2872>), Roger Bivand [ctb] (<https://orcid.org/0000-0003-2392-6140>), Karl Forner [ctb], Jeroen Ooms [ctb] (<https://orcid.org/0000-0002-4035-0289>), Edzer Pebesma [ctb] (<https://orcid.org/0000-0001-8049-7069>)
Initial release
2021-05-12

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