makeEllipseCoords: Make Ellipse Coordinates

In caroline: A Collection of Database, Data Structure, Data Conversion, Visualization, Reporting, and General Utility Functions

Make Ellipse Coordinates

Description

Create x & y coordinates for an ellipse from parameters. save.

Usage

makeEllipseCoords(x0 = 0, y0 = 0, b = 1, a = 1, alpha = 0, pct.range = c(0,1), len = 50)

Arguments

x0	x coordinate of center of ellipse.
y0	y coordinate of center of ellipse.
b	y axis stretch factor.
a	x axis stretch factor.
alpha	rotation factor.
pct.range	percentage of the way around the ellipse.
len	number of points used to draw ellipse.

Value

a 2 column (x and y) dataframe with coordinates for drawing an ellipse.

Examples

makeEllipseCoords(x0 = 0, y0 = 0, b = 1, a = 2, alpha = 0)

caroline documentation built on July 15, 2026, 9:06 a.m.