rectangle_key_glyph {cowplot} | R Documentation |
Create customizable legend key glyphs
Description
These functions create customizable legend key glyphs, such as filled rectangles or circles.
Usage
rectangle_key_glyph(
colour = NA,
fill = fill,
alpha = alpha,
size = size,
linetype = linetype,
padding = unit(c(0, 0, 0, 0), "pt"),
color
)
circle_key_glyph(
colour = NA,
fill = fill,
alpha = alpha,
size = size,
linetype = linetype,
padding = unit(c(0, 0, 0, 0), "pt"),
color
)
Arguments
colour , color |
Unquoted name of the aesthetic to use for the outline color,
usually |
fill |
Unquoted name of the aesthetic to use for the fill color,
usually |
alpha |
Unquoted name of the aesthetic to use for alpha,
usually |
size |
Unquoted name of the aesthetic to use for the line thickness of the
outline, usually |
linetype |
Unquoted name of the aesthetic to use for the line type of the
outline, usually |
padding |
Unit vector with four elements specifying the top, right, bottom, and left padding from the edges of the legend key to the edges of the key glyph. |
Examples
library(ggplot2)
set.seed(1233)
df <- data.frame(
x = sample(letters[1:2], 10, TRUE),
y = rnorm(10)
)
ggplot(df, aes(x, y, color = x)) +
geom_boxplot(
key_glyph = rectangle_key_glyph(fill = color, padding = margin(3, 3, 3, 3))
)
ggplot(df, aes(x, y, color = x)) +
geom_boxplot(
key_glyph = circle_key_glyph(
fill = color,
color = "black", linetype = 3, size = 0.3,
padding = margin(2, 2, 2, 2)
)
)