gray                package:grDevices                R Documentation

Gray Level Specification

Description:

     Create a vector of colors from a vector of gray levels.

Usage:

     gray(level)
     grey(level)

Arguments:

   level: a vector of desired gray levels between '0' and '1'; zero
          indicates '"black"' and one indicates '"white"'.

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:

     'rainbow', 'hsv', 'hcl', 'rgb'.

Examples:

     gray(0:8 / 8)

