revgray: Create vector of colors from white to black

In broman: Karl Broman's R Code

Create vector of colors from white to black

Description

Calls grDevices::gray() then base::rev()

Usage

revgray(n = 256, ...)

Arguments

n	Number of colors.
...	Passed to grDevices::gray().

Details

There's not much to this. It's just gray((n:0)/n))

Value

Vector of colors, from white to black

See Also

grDevices::gray()

Examples

x <- matrix(rnorm(100), ncol=10)
image(x, col=revgray())

broman documentation built on July 8, 2022, 5:07 p.m.