Generate viridis Color code for continuous values
spec_color(x, alpha = 1, begin = 0, end = 1, direction = 1,
option = "D", na_color = "#BBBBBB")
continuous vectors of values
The alpha transparency, a number in [0,1], see argument alpha in
hsv
.
The (corrected) hue in [0,1] at which the viridis colormap begins.
The (corrected) hue in [0,1] at which the viridis colormap ends.
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.
A character string indicating the colormap option to use. Four options are available: "magma" (or "A"), "inferno" (or "B"), "plasma" (or "C"), and "viridis" (or "D", the default option).
color code for NA values