Circle Geometry

Create a circular geometry.

Usage

circle(x = 0, y = 0, radius = 1, nPoints = 100)

Arguments

x, y

centre coordinates.

radius

circle radius.

nPoints

number of points used to approximate the circle.

Value

An object inheriting from class "circleGeometry".

See also

Other geometry.structures: arc(), band(), bezier(), ellipse(), polygonX(), regPolygon(), ring()

Examples

canvas(xlim = c(-2, 2))

polygonX(circle(radius = 1.5), col = "lightblue")

# several circles at once
polygonX(circle(x = c(-0.6, 0.6), y = 0, radius = 0.4),
         col = c("tomato", "royalblue"))