encircle: Draws circles

In StratigrapheR: Integrated Stratigraphy

Draws circles

Description

Draws circles

Usage

encircle(
  r = 1,
  x = 0,
  y = 0,
  ndiv = 360,
  plot = TRUE,
  add = TRUE,
  output = FALSE,
  ...
)

Arguments

r	the radius of the circles (of length 1 or n)
x	the x value of the centre of the circles (of length 1 or n)
y	the y value of the centre of the circles (of length 1 or n)
ndiv	the number of segments making the circles
plot	whether to plot the circles
add	whether to add to an existing plot
output	whether to return an output
...	graphical parameters to feed to lines

Value

a list of x and y matrices having n rows, one for each circle

Examples

plot(0, 0, xlim = c(-1,1), ylim = c(-1,1), asp = 1)

encircle(lwd = 2)
encircle(r = seq(0.1,0.9,0.1))

StratigrapheR documentation built on July 9, 2023, 6:02 p.m.