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
0
and1
; 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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