Not pretty, but you could possibly try:
# first map
map(#arguments#)
xylim = par(usr)
# second map
out = map(#arguments#, plot=FALSE)
par(xaxs=i,yaxs=i)
plot.window(xlim=xylim[1:2],ylim=xylim[3:4])
polygon(out)
--- Takatsugu Kobayashi [EMAIL PROTECTED] wrote:
Rusers:
This is a very fundamental and silly question. How can I overlay
different maps on the same x and y scales? I do neither want to change X
and Y axes nor show different x and y ticks on top of each other.
Thanks
Taka
Indiana University
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
