Preview the appearance of a palette from data/palettes.rds using various plot types.
This function provides multiple visualization options to help users evaluate color palettes.
Usage
preview_palette(
name,
type = c("sequential", "diverging", "qualitative"),
n = NULL,
plot_type = c("bar", "pie", "point", "rect", "circle"),
title = name,
palette_rds = system.file("extdata", "palettes.rds", package = "evanverse"),
preview = TRUE
)Arguments
- name
Name of the palette.
- type
Palette type: "sequential", "diverging", "qualitative".
- n
Number of colors to use (default: all).
- plot_type
Plot style: "bar", "pie", "point", "rect", "circle".
- title
Plot title (default: same as palette name).
- palette_rds
Path to RDS file. Default: system.file("extdata", "palettes.rds", package = "evanverse").
- preview
Whether to show the plot immediately. Default: TRUE.
Examples
# \donttest{
# Preview sequential palette:
preview_palette("seq_blues", type = "sequential", plot_type = "bar")
#> ✔ Loaded palette "seq_blues" ("sequential"), 3 colors
#>
#> ── Previewing palette: "seq_blues" ──
#>
#> ℹ Plot type: "bar", colors: 3
# Preview diverging palette:
preview_palette("div_fireice", type = "diverging", plot_type = "pie")
#> ✔ Loaded palette "div_fireice" ("diverging"), 2 colors
#>
#> ── Previewing palette: "div_fireice" ──
#>
#> ℹ Plot type: "pie", colors: 2
# Preview qualitative palette with custom colors:
preview_palette("qual_vivid", type = "qualitative", n = 4, plot_type = "circle")
#> ✔ Loaded palette "qual_vivid" ("qualitative"), 9 colors
#>
#> ── Previewing palette: "qual_vivid" ──
#>
#> ℹ Plot type: "circle", colors: 4
# }