shipunov (version 1.13)

Polycenter: Center of the polygon

Description

Finds polygon center

Usage

Polycenter(x)

Arguments

x

Polygon vertices: two-column numerical matrix or data frame

Value

Named numerical vector of length 2 (x and y coordinates of the center).

Details

Based on vegan::summary.ordihulls().

See Also

Squares, Hulls, Ellipses

Examples

Run this code
# NOT RUN {
x <- c(1:9, 8:1) # from ?polygon
y <- c(1, 2*(5:3), 2, -1, 17, 9, 8, 2:9)
Polycenter(cbind(x, y)) # numerical matrix
Polycenter(data.frame(x, y)) # numerical data frame

iris.p <- prcomp(iris[, -5])$x[, 1:2]
iris.h <- Hulls(iris.p, iris$Species, plot=FALSE)
sapply(iris.h, Polycenter)

# }

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