landmarks_dist: Distances between landmarks

In pliman: Tools for Plant Image Analysis

Distances between landmarks

Description

Computes the distance between two landmarks as the square root of the sum of the squared differences between each coordinate (Claude, 2008).

Usage

landmarks_dist(x)

Arguments

x	An object computed with landmarks().

Value

A matrix with the distances for each landmark combination.

Note

Borrowed from Claude (2008), pp. 49

References

Claude, J. (2008) Morphometrics with R, Use R! series, Springer 316 pp.

Examples

if(isTRUE(interactive())){
library(pliman)
img <- image_pliman("potato_leaves.jpg")
x <- landmarks(img)
landmarks_dist(x)
}

pliman documentation built on Oct. 15, 2023, 1:06 a.m.