a data frame with columns according to the x and y
aesthetics
Author(s)
Tyler Rinker with help from Baptiste Auguie and
StackOverflow user DWin with additions and canning by David
Kahle david.kahle@gmail.com. Updated by
@Nikolai-Hlubek
Examples
if(interactive()){
# only run for interactive sessions
df <- expand.grid(x = 0:-5, y = 0:-5)
(p <- qplot(x, y, data = df) +
annotate(geom = 'point', x = -2, y = -2, colour = 'red'))
gglocator()
p +
scale_x_continuous(expand = c(0,0)) +
scale_y_continuous(expand = c(0,0))
gglocator(1, xexpand = c(0,0), yexpand = c(0,0))
}