tricolore (version 1.2.6)

TernaryDistance: Distance Between Points in Ternary Coordinates

Description

The distances between ternary coordinate p and a set of ternary coordinates C.

Usage

TernaryDistance(p, C)

Value

A numeric vector of distances between coordinate p and all coordinates in C.

Arguments

p

A vector of ternary coordinates [p1, p2, p3].

C

n by 3 matrix of ternary coordinates [p1, p2, p3](i) for i=1,...,n.

References

https://en.wikipedia.org/wiki/Barycentric_coordinate_system#Distance_between_points

Examples

# NOTE: only intended for internal use and not part of the API
p <- c(0.5, 0.2, 0.3)
C <- prop.table(matrix(runif(3*10), ncol = 3), 1)
tricolore:::TernaryDistance(p, C)