genCircle {SIBER}

Create a sequence of points on a circle

Description

This is a helper function that creates a sequence of points on a circle of radius r as a resolution determined by n. It is not intended for direct calling, and is used by the ellipse plotting function addEllipse(). NB not an exported function.

Usage

genCircle(n = 100, r)

Arguments

n

the number of points to create around the circle. Defaults to 100.

r

the radius of the circle to create.

Value

A 2 x n matrix of x and y coordinates of points on a circle.