sizelegend {GEOmap} | R Documentation |
Plot a simple legend of magnitude sizes at the top of a plot.
sizelegend(se, am, pch = pch)
se |
vector, sizes |
am |
vector, labels |
pch |
plotting character |
A box around the legend is currently introduced.
Graphical Side Effect
Jonathan M. Lees<jonathan.lees@unc.edu>
x = rnorm(30) y = rnorm(30) mags = runif(30, 1,8) plot(x, y, type="n") esiz = exp(mags) rsiz = RESCALE(esiz, .4, 10, min(esiz), max(esiz)) points(x, y, pch=1, cex=rsiz) am = pretty(mags) am = am[am>min(mags) & am<max(mags) ] em = exp(am) se = RESCALE(em, .4, 10, min(esiz), max(esiz)) sizelegend(se, am, pch=1)