circleVertices {packcircles}R Documentation

Generate vertex coordinates for a circle

Description

Generates vertex coordinates for a circle given its centre coordinates and radius.

Usage

circleVertices(xc, yc, radius, npoints = 25)

Arguments

xc

Circle centre X ordinate.

yc

Circle centre Y ordinate.

radius

Circle radius.

npoints

Number of distinct vertices required.

Value

A 2-column matrix of X and Y values. The final row is a copy of the first row to create a closed polygon, so the matrix has npoints + 1 rows.

See Also

circleLayoutVertices


[Package packcircles version 0.3.6 Index]