R: Convex hull and minimal rotated rectangle

convHull {terra} | R Documentation

## Convex hull and minimal rotated rectangle

### Description

Get the convex hull or the minimal rotated rectangle of a SpatVector

### Usage

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

    ## S4 method for signature 'SpatVector'
    minRect(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")
    rr <- minRect(p, "NAME_1")

    plot(rr, lwd=5, border="gray")
    plot(hh, "NAME_1", col=rainbow(10, alpha=.5), lwd=3, add=TRUE, plg=list(x="topright"))
    lines(aggregate(p, "NAME_1"), col="blue", lty=2, lwd=2)

[Package terra version 1.4-22 Index]