#' Manipulate value of text in given axis.
#'
#' @export
#' @param axis Name of axis - "x" or "y"
#' @param min Minimal value of given axis.
#' @param max Maximal value of given axis.
#' @param step How frequently we show text in given axis.
#' Default value is based on max and min arguments: (max - min)/10.
#' @param labels Show value in different way. Default value: comma;
#' other options: percent.
#' @examples
#' \dontrun{
#' ggplot(mtcars, aes(factor(cyl), wt))+
#' geom_bar(stat = "identity", fill = cat_colors[1])+
#' theme_peru()+
#' draw_scale_numeric("y",0,60)
#'
#' ggplot(diamonds[1:100,], aes(depth, carat, color = factor(cut)))+
#' geom_point(size = 7)+
#' theme_peru("color")+
#' draw_scale_numeric("y",0,1,0.1,labels = percent)
#' }
draw_scale_numeric <- function(axis,
min,
max,
step = (max - min) / 10,
labels = scales::comma) {
min_error <- min - 0.05
max_error <- max + 0.05
if (axis == "y") {
ggplot2::scale_y_continuous(breaks = seq(min, max, step),
limits = c(min_error, max_error),
labels = labels)
}
else if (axis == "x") {
ggplot2::scale_x_continuous(breaks = seq(min, max, step),
limits = c(min_error, max_error),
labels = labels)
}
else {
stop("axis argument in draw_scale_numeric fun shoud be either 'x' or 'y'.", call. = FALSE)
}
}
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