gray
Gray Level Specification
Create a vector of colors from a vector of gray levels.
- Keywords
- color
Usage
gray(level, alpha = NULL)
grey(level, alpha = NULL)Arguments
- level
a vector of desired gray levels between
0and1; zero indicates"black"and one indicates"white".- alpha
the opacity, if specified.
Details
The values returned by gray can be used with a col=
specification in graphics functions or in par.
grey is an alias for gray.
Value
A vector of colors of the same length as level.
See Also
Examples
library(grDevices)
# NOT RUN {
gray(0:8 / 8)
# }
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