On Mon, 2006-10-09 at 10:56 -0400, Mike Wolfgang wrote:
> Hi list,
>
> I want to add some lines at margin area of one figure. mtext could add text
> to these margins, can I add lines with different lty parameters? Thanks,
>
> mike
You can do it, but it will take some fiddling to get the coordinates
right:
# Do a generic plot
plot(1:10)
# Get the current plot region axis ranges
# x1, x2, y1, y2
par("usr")
[1] 0.64 10.36 0.64 10.36
# Draw a vertical line in the right hand margin
# Set 'xpd = TRUE' so that plotting is not
# clipped at the plot region boundary
segments(10.75, 4, 10.75, 6, xpd = TRUE)
See ?par for more information.
HTH,
Marc Schwartz
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