second_law_palette <- c(
"#963A82",
"#0EAB4A",
"#474095",
"#40A7C5",
"#149357",
"#E2E37D",
"#213980",
"#D23522",
"#328D71",
"#E85733"
)
#' @title second_law_palette
#' @description Muse Second Law Palette
#' @inheritDotParams ggplot2::discrete_scale
#' @param n number of colors
#' @param type discrete or continuous
#' @param reverse reverse order, Default: FALSE
#' @rdname second_law_pal
#' @examples
#' library(scales)
#' show_col(second_law_pal()(10))
#' @export
#' @importFrom scales manual_pal
#' @importFrom glue glue
#' @importFrom grDevices colorRampPalette
second_law_pal <- function(n, type = c("discrete", "continuous"),
reverse = FALSE){
second_law <- second_law_palette
if (reverse == TRUE) {
second_law <- rev(second_law)
}
if (missing(n)) {
n <- length(second_law)
}
type <- match.arg(type)
if (type == "discrete" && n > length(second_law)) {
stop(glue::glue("Palette does not have {n} colors, maximum is {length(second_law)}!"))
}
second_law <- switch(type,
continuous = grDevices::colorRampPalette(second_law)(n),
discrete = second_law[1:n])
second_law <- scales::manual_pal(second_law)
return(second_law)
}
#' @title scale_color_second_law
#' @rdname second_law_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_second_law()
#' @importFrom ggplot2 discrete_scale scale_color_gradientn
scale_color_second_law <- function(n, type = "discrete",
reverse = FALSE, ...){
if (type == "discrete") {
ggplot2::discrete_scale("color", "second_law",
second_law_pal(n = n, type = type,
reverse = reverse), ...)
} else {
ggplot2::scale_color_gradientn(colors = second_law_pal(n = n, type = type,
reverse = reverse)(256))
}
}
#' @title scale_colour_second_law
#' @rdname second_law_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_second_law()
#' @importFrom ggplot2 discrete_scale scale_color_gradientn
scale_colour_second_law <- scale_color_second_law
#' @title scale_fill_second_law
#' @rdname second_law_pal
#' @export
#' @examples
#'
#' ggplot(mpg, aes(displ)) +
#' geom_histogram(aes(fill = class),
#' col = "black", size = 0.1) +
#' scale_fill_second_law()
#' @importFrom ggplot2 discrete_scale scale_fill_gradientn
scale_fill_second_law <- function(n, type = "discrete",
reverse = FALSE, ...){
if (type == "discrete") {
ggplot2::discrete_scale("fill", "second_law",
second_law_pal(n = n, type = type,
reverse = reverse), ...)
} else {
ggplot2::scale_fill_gradientn(colors = second_law_pal(n = n, type = type,
reverse = reverse)(256))
}
}
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