muse_palette <- c(
"#e4d4d2",
"#cf80d5",
"#cb4f66",
"#a25c69",
"#6e6789",
"#ae365e",
"#881029",
"#5c2f5a",
"#2f1f47",
"#2a0d31"
)
#' @title muse palette
#' @description muse palette
#' @inheritDotParams ggplot2::discrete_scale
#' @param n number of colors
#' @param type discrete or continuous
#' @param reverse reverse order, Default: FALSE
#' @rdname muse_pal
#' @examples
#' library(scales)
#' show_col(muse_pal()(10))
#' @export
#' @importFrom scales manual_pal
#' @importFrom glue glue
#' @importFrom grDevices colorRampPalette
muse_pal <- function(n, type = c("discrete", "continuous"),
reverse = FALSE){
muse <- muse_palette
if (reverse == TRUE) {
muse <- rev(muse)
}
if (missing(n)) {
n <- length(muse)
}
type <- match.arg(type)
if (type == "discrete" && n > length(muse)) {
stop(glue::glue("Palette does not have {n} colors, maximum is {length(muse)}!"))
}
muse <- switch(type,
continuous = grDevices::colorRampPalette(muse)(n),
discrete = muse[1:n])
muse <- scales::manual_pal(muse)
return(muse)
}
#' @title scale_color_muse
#' @rdname muse_pal
#' @export
#' @examples
#'
#' library(ggplot2)
#' ggplot(airquality, aes(x = Day, y = Temp,
#' group = as.factor(Month), color = as.factor(Month))) +
#' geom_point(size = 2.5) +
#' scale_color_muse()
#' @importFrom ggplot2 discrete_scale scale_color_gradientn
scale_color_muse <- function(n, type = "discrete",
reverse = FALSE, ...){
if (type == "discrete") {
ggplot2::discrete_scale("color", "muse",
muse_pal(n = n, type = type,
reverse = reverse), ...)
} else {
ggplot2::scale_color_gradientn(colors = muse_pal(n = n, type = type,
reverse = reverse)(256))
}
}
#' @title scale_colour_muse
#' @rdname muse_pal
#' @export
#' @examples
#'
#' ggplot(airquality, aes(x = Day, y = Temp,
#' group = as.factor(Month), color = as.factor(Month))) +
#' geom_point(size = 2.5) +
#' scale_colour_muse()
#' @importFrom ggplot2 discrete_scale scale_color_gradientn
scale_colour_muse <- scale_color_muse
#' @title scale_fill_muse
#' @rdname muse_pal
#' @export
#' @examples
#'
#' ggplot(mpg, aes(displ)) +
#' geom_histogram(aes(fill = class),
#' col = "black", size = 0.1) +
#' scale_fill_muse()
#' @importFrom ggplot2 discrete_scale scale_fill_gradientn
scale_fill_muse <- function(n, type = "discrete",
reverse = FALSE, ...){
if (type == "discrete") {
ggplot2::discrete_scale("fill", "muse",
muse_pal(n = n, type = type,
reverse = reverse), ...)
} else {
ggplot2::scale_fill_gradientn(colors = muse_pal(n = n, type = type,
reverse = reverse)(256))
}
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.