"JonR" == Jonathan Rougier <J.C.Rougier at durham.ac.uk> writes:
JonR> In legend() is it possibly to mix lines and boxes? I would like
JonR> to do something like
JonR> legend(locator(1), legend = c("al", "ben", "chris", "dave"),
JonR> lty = c(1, 2, 3, NA), fill = c(NA, NA, NA, "gray"))
JonR> to indicate that "al", "ben" and "chris" have lines, and "dave"
JonR> has a gray shading.
Not quite, currently.
1) the fill colors currently must be integer (indexing into palette()).
2) Currently, either you get no or all boxes, <<--- to be improved by volunteer!
since the 'fill' argument is only treated as scalar.
Whereas this is easy to extend,
much nicer (and more tedious) would be to NOT use "space" for a non-box
and to NOT use space when there's no line
(you probably understand what I mean, when looking at the following example).
Something *like* the above is possible with, e.g.,
plot(1)
legend(1,1, legend = c("al", "ben", "chris", "dave"),
lty = c(1, 2, 3, -1), fill = c(NA, NA, NA, 3))
Martin
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