col_gray: col_gray

In mickwar/mwBASE: Collection of functions frequently used by myself

Description

Convert a given RGB color to gray-scale

Usage

col_gray(rgb, method = "yprime")

Arguments

rgb	numeric vector in [0, 1]^3
method	either "yprime", "average", or "lightness". "yprime" attempts to approximate human vision, "average" simply takes the average of rgb and assigns this to all RGB values, "lightness" takes the average of the range of rgb.

See Also

col_dens, col_mult, col_fade

Examples

col_gray(c(0.8, 0.1, 0.8), "yprime")

mickwar/mwBASE documentation built on May 22, 2019, 9:56 p.m.