map_colour_rgb {ggplot} | R Documentation

## Aesthetic mapping: rgb components of colour

### Description

Map variables to red, green or blue components.

### Usage

    map_colour_rgb(r=0, g=0, b=0, a=1, r.to = c(0,1), g.to=c(0,1), b.to=c(0,1), a.to=c(0,1), r.from = range(r, na.rm=TRUE), g.from = range(g, na.rm=TRUE), b.from = range(b, na.rm=TRUE), a.from = range(a, na.rm=TRUE))

### Arguments

`r` | red
`g` | green
`b` | blue
`a` | alpha
`r.to` | red to
`g.to` | green to
`b.to` | blue to
`a.to` | alpha to
`r.from` |
`g.from` |
`b.from` |
`a.from` |

### Details

### Author(s)

Hadley Wickham <h.wickham@gmail.com>

### Examples

[Package ggplot version 0.2.2 Index]