You might have to use segments() to place the line segments precisely.
?segments
>>>
From: Henrik Bengtsson <h...@stat.berkeley.edu>
To:Peter Alspach <peter.alsp...@plantandfood.co.nz>
CC:r-help <r-help@r-project.org>
Date: 11/Oct/2010 1:23p
Subject: Re: [R] Line Type Specification: lty="<on><off>" but lty="<off><on>"?
Thanks both, but unfortunately not.
Here is a better illustration on what I want to achieve;
xs <- c(0,1,2,3); ys <- c(-1,0,0,1);
lty <- c("FF11", "1FF1");
plot(NA, xlim=c(0,3), ylim=c(-1,1));
lines(xs, ys, col="red", lwd=2, lty=lty[1]);
lines(xs, -ys, col="blue", lwd=2, lty=lty[2]);
except that I don't want those short "1":s pieces. Ideally I'd like to use:
lty <- c("FF00", "0FF0");
and dashes of any lengths, e.g. lty <- c("2200", "0220");
/Henrik
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