findHull: Get corners of convex hull of a set of points

In FRBCesab/ecorar: Research compendium of the Loiseau, Mouquet et al.'s 2020 paper

Description

This function gets corners coordinates of the convex hull of a set of points.

Usage

findHull(data)

Arguments

data	data.frame a data frame with at least two columns named x and y.

Value

This function returns a susbet of the initial data frame where each row is a corner of the convex hull.

Author(s)

Nicolas CASAJUS, [e-mail]

Nicolas LOISEAU, [e-mail]

Examples

x   <- rnorm(100)
y   <- rnorm(100)
mat <- data.frame(x, y)

dat <- findHull(mat)

dat <- rbind(dat, dat[1, ])

plot(mat, pch = 19)
polygon(dat[ , 1], dat[ , 2], border = "red")

FRBCesab/ecorar documentation built on June 2, 2021, 8:18 p.m.