draw.circle: draw a circle with specified attributes

In mjwestgate/circleplot: Circular plots of distance and association matrices

Description

Adds a circle to an existing plot

Usage

draw.circle(k=1, x0=0, y0=0, filled=FALSE, n=100, trim=0, alpha=0, ...)

Arguments

k	The radius; defaults to one
x0	Location of the center of the circle on the x axis
y0	Location of the center of the circle on the y axis
filled	If TRUE, the circle is drawn with 'polygons'; if FALSE (the default), lines is used instead
n	The number of points to place on the circumference
trim	the number of rows to remove from both the start and end of the data.frame, and thereby from the circumference of the circle as well
alpha	Angle (in degrees) by which to rotate point coordinates. Only ever sensible if 'trim' is specified
...	Any further arguments to pass to lines() or polygon(), depending on the value of the 'filled' argument (see above)

Value

plots the circle as specified; also returns a data.frame with the specified information

mjwestgate/circleplot documentation built on May 23, 2019, 1:05 a.m.