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Gray Level Specification
Syntax
gray(level)
Value
This function creates ``colors'' corresponding to the given level of gray.
The level must lie between zero and one, with zero indicating "black"
and one indicating "white"
.
The values returned by gray
can be used with a
col=
specification in graphics functions or in par
.
See Also
rainbow
, hsv
, rgb
.
Examples
gray(0:8 / 8)