arc {alphahull} | R Documentation |
Add an arc to a plot
Description
This function adds the arc of between the angles that
and
form with the axis OX, where
represents the clockwise rotation of angle
of the vector
.
Usage
arc(c, r, v, theta, ...)
Arguments
c |
Center |
r |
Radius |
v |
Vector |
theta |
Angle |
... |
Arguments to be passed to methods, such as graphical parameters (see |
See Also
Examples
## Not run:
# Plot of the circumference of radius 1
theta <- seq(0, 2*pi, length = 100)
r <- 1
plot(r*cos(theta), r*sin(theta), type = "l")
# Add in red the arc between pi/4 and 3*pi/4
arc(c(0,0), 1, c(0,1), pi/4, col = 2, lwd = 2)
## End(Not run)
[Package alphahull version 2.5 Index]