lengthahull {alphahull}

Length of the boundary of the alpha-convex hull

Description

This function calculates the length of the boundary of the \alpha-convex hull of a given sample.

Usage

lengthahull(ahull.arcs)

Arguments

ahull.arcs

Output matrix of arcs returned by ahull.

Details

The function lengthahull is internally called by the function ahull.

Value

length

Length of the boundary of the \alpha-convex hull.

See Also

ahull.

Examples

## Not run: 
# Random sample in the unit square
x <- matrix(runif(100), nc = 2)
# Value of alpha
alpha <- 0.2
# alpha-convex hull
ahull.obj <- ahull(x, alpha = alpha)
# Length of the alpha-convex hull
ahull.obj$length

## End(Not run)