locator {base} | R Documentation |
Graphical Input
Description
locator
reads the position of the graphics cursor when
the (first) mouse button is pressed. Unless the process
is terminated prematurely by the user (see below) at most
n
positions are determined.
The input process can be terminated prematurely by pressing any mouse button other than the first.
Usage
locator(n=512, type="n")
Arguments
n |
the maximum number of points to locate. |
type |
One of |
Details
The current graphics parameters apply just as if
plot.default
has been called with the same value
of type
. The plotting of the points and lines is subject to
clipping, but locations outside the current clipping rectangle will
be returned.
Value
A list containing x
and y
components which are
the coordinates of the identified points.