schcl {ggplot}R Documentation

Scale: colour (hcl)

Description

Scale continuous variables to hue, chroma and luminance components of colour

Usage

schcl(plot = .PLOT, name="", to=list())

Arguments

plot
name
to

Details

This colour map is the most perceptually uniform. However, use multiple mappings with care. It is often a good idea to restrict the range of the hue, as shown in the example.

Note: alpha mappings only work with the Quartz and PDF devices.

Author(s)

Hadley Wickham <h.wickham@gmail.com>

See Also

map_colour_hcl, hcl

Examples

p <- schcl(ggplot(movies, aes=list(y=rating, x=year)))
ggpoint(p, list(h=year))
schcl(ggpoint(p, list(h=year)), list(h.to=c(45,60)))
ggpoint(p, list(c=rating))
ggpoint(p, list(l=length))
ggpoint(p, list(h=rating, l=year))
ggpoint(p, list(h=rating, c=year, l=year))

[Package ggplot version 0.4.2 Index]