scale_grey

scale_colour_grey(name=NULL, start=0.2, end=0.8, limits=NULL, breaks=NULL, labels=NULL, formatter=identity, ...)
scale_fill_grey(name=NULL, start=0.2, end=0.8, limits=NULL, breaks=NULL, labels=NULL, formatter=identity, ...)

Sequential grey colour scale

Based on ?gray.colors

This page describes scale_grey, see layer and qplot for how to create a complete plot from individual components.

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Parameters

Parameters control the appearance of the scale. In addition to the parameters listed below (if any), any aesthetic can be used as a parameter, in which case it will override any aesthetic mapping.

name: name of scale to appear in legend or on axis. Maybe be an expression: see ?plotmath
start: starting grey colour (between 0 and 1)
end: ending grey colour (between 0 and 1)
limits: numeric vector of length 2, giving the extent of the scale
breaks: numeric vector indicating where breaks should lie
labels: character vector giving labels associated with breaks
formatter: NULL

Returns

This function returns a scale object.

Examples

> p <- qplot(mpg, wt, data=mtcars, colour=factor(cyl)) 
> p + scale_colour_grey() 
  
> p + scale_colour_grey(end = 0) 
  
>  
> # You may want to turn off the pale grey background with this scale 
> p + scale_colour_grey() + theme_bw 
Error: object of type 'closure' is not subsettable

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