Alternative color schemes
RGBColVec returns a vector of colors that is equally spaced from red through black to green, suitable for heatmaps.
RainbowPastel returns a vector of colors like rainbow, but more pastelly.
RGBColVec(nrgcols = 12) RainbowPastel(n, blanche = 200, ...)
nrgcols, n |
desired number of colors |
blanche |
the amount of whiteness added; value between 0 and 255 |
... |
extra arguments to |
A character vector of length nrgcols or n giving the RGB codes for the colors.
RGBColVec is based on function rgcolors.func in package sma by Sandrine Dudoit and Jane Fridlyand.
RGBColVec as documented and RainbowPastel by Alexander Ploner
# A Color Wheel pie(rep(1,12), col=RGBColVec(12)) # A color wheel in the original rainbow pie(rep(1,6), col=rainbow(6)) # Pastel pie(rep(1,6), col=RainbowPastel(6)) # Less whiteness pie(rep(1,6), col=RainbowPastel(6, blanche=127)) # More steps require less whiteness pie(rep(1,12), col=RainbowPastel(12, blanche=60)) # Test your screen & eyes: any differences? pie(rep(1,12), col=RainbowPastel(12, blanche=80))
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.