# How to produce a pie chart with 30 colours
pie(rep(1,30),col=rainbow(30),radius=0.9)
colors() colours()
palette
for setting the ‘palette’ of colors for par(col=
<num>)
;
rgb
, hsv
, hcl
, gray
; rainbow
for a nice example; and heat.colors
, topo.colors
for images.