| ellipse {dga} | R Documentation |
A Helper Function Used by Venn4 to Define the Perimeter of an Ellipse
Description
Draws the ellipses used in venn4.
Usage
ellipse(x, y, a, b, alpha)
Arguments
x |
the x coordinate of the center of the ellipse. |
y |
the y coordinate of the center of the ellipse. |
a |
the x-direction radius. |
b |
the y-direction radius. |
alpha |
the angle of rotation of the ellipse |
Value
points that define the perimeter of an ellipse.
Author(s)
Kristian Lum kl@hrdag.org
Examples
plot(dga:::ellipse(0, 0, .5, .2, 1))
[Package dga version 2.0.1 Index]