Create a sequence of points on a circle

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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

1
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.

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