R/FSAUtils.R
chooseColors.Rd
Create a list of colors from among a variety of color palettes.
chooseColors(pal = paletteChoices(), num, rev = FALSE, ...) paletteChoices()
pal | A character that is the name of a palette. Must be one of “rich”, “cm”, “default”, “grey”, “gray”, “heat”, “jet”, “rainbow”, “topo”, or “terrain”, which are given in |
---|---|
num | The number of colors to be returned. |
rev | A logical that indicates if the default order of colors should be reversed ( |
… | Other arguments to the various palette functions. |
A vector of colors of length num
.
See rich.colors
in gplots, cm.colors
, heat.colors
, topo.colors
, terrain.colors
, rainbow
, colorRampPalette
, and colors
.
n <- 20 # Color Wheels pie(rep(1,n), col=chooseColors("rich",n))pie(rep(1,n), col=chooseColors("rainbow",n))pie(rep(1,n), col=chooseColors("topo",n))pie(rep(1,n), col=chooseColors("gray",n))pie(rep(1,n), col=chooseColors("jet",n))# colors reversed order pie(rep(1,n), col=chooseColors("jet",n,rev=TRUE))