Pairwise distances between points

A wrapper around distm, returning distances in km.

Usage

point_distance(ll)

Arguments

ll

two-column matrix of point coordinates

Value

Pairwise distances between the points, in km

Examples

sites <- cbind(c(-110, -100, -95), c(35, 40, 45))
point_distance(sites)
#>          [,1]      [,2]      [,3]
#> [1,]    0.000 1042.9516 1690.1820
#> [2,] 1042.952    0.0000  690.6346
#> [3,] 1690.182  690.6346    0.0000