See pal_igv for details.

scale_color_igv(palette = c("default", "alternating"), alpha = 1, ...)

scale_colour_igv(palette = c("default", "alternating"), alpha = 1, ...)

scale_fill_igv(palette = c("default", "alternating"), alpha = 1, ...)

Arguments

palette

Palette type. There are two available options: "default" (51-color palette); "alternating" (2-color palette).

alpha

Transparency level, a real number in (0, 1]. See alpha in rgb for details.

...

additional parameters for discrete_scale

Examples

library("ggplot2") data("diamonds") p1 = ggplot(subset(diamonds, carat >= 2.2), aes(x = table, y = price, colour = cut)) + geom_point(alpha = 0.7) + geom_smooth(method = "loess", alpha = 0.1, size = 1, span = 1) + theme_bw() p2 = ggplot(subset(diamonds, carat > 2.2 & depth > 55 & depth < 70), aes(x = depth, fill = cut)) + geom_histogram(colour = "black", binwidth = 1, position = "dodge") + theme_bw() p1 + scale_color_igv()
p2 + scale_fill_igv()
p1 + scale_colour_manual( values = rep(pal_igv("alternating")(2), times = 3))
p2 + scale_fill_manual( values = rep(pal_igv("alternating")(2), times = 3))