viridis_pal: Viridis Color Palettes

In viridis: Colorblind-Friendly Color Maps for R

Viridis Color Palettes

Description

A wrapper function around viridis to turn it into a palette function compatible with discrete_scale.

Usage

viridis_pal(alpha = 1, begin = 0, end = 1, direction = 1, option = "D")

Arguments

alpha	The alpha transparency, a number in [0,1], see argument alpha in hsv.
begin	The (corrected) hue in [0,1] at which the color map begins.
end	The (corrected) hue in [0,1] at which the color map ends.
direction	Sets the order of colors in the scale. If 1, the default, colors are ordered from darkest to lightest. If -1, the order of colors is reversed.
option	A character string indicating the color map option to use. Eight options are available: "magma" (or "A") "inferno" (or "B") "plasma" (or "C") "viridis" (or "D") "cividis" (or "E") "rocket" (or "F") "mako" (or "G") "turbo" (or "H")

Details

See viridis and viridis.map for more information on the color palettes.

Author(s)

Bob Rudis: [e-mail]

Simon Garnier: [e-mail]

Examples

library(scales)
show_col(viridis_pal()(12))

viridis documentation built on May 29, 2024, noon