ahull2poly: Convert alpha hull to SpatialPolygon

In babichmorrowc/hull2spatial: Convert Alpha Hulls to Spatial* Objects

Convert alpha hull to SpatialPolygon

Description

Convert alpha hull to SpatialPolygon

Usage

ahull2poly(hull)

Arguments

hull	The alpha hull object

Value

The SpatialPolygon object created by that alpha hull

Examples

data(iris)
iris_sepals <- iris[,1:2]
iris_sepals <- iris_sepals[!duplicated(paste(iris_sepals$Sepal.Length, iris_sepals$Sepal.Width)), ]
alphahull_1 <- alphahull::ahull(iris_sepals, alpha = 1)
hullpoly_1 <- ahull2poly(alphahull_1)
plot(iris_sepals, pch = 19, col = "darkseagreen")
plot(alphahull_1, lwd = 5, col = "gray", add = TRUE)
sp:::plot.SpatialPolygons(hullpoly_1, border = "magenta", add = TRUE)

babichmorrowc/hull2spatial documentation built on Oct. 22, 2023, 12:28 a.m.