ggseg (version 2.0.0)

scale_brain_manual: Manual colour and fill scales for brain plots

Description

Apply a custom named colour palette to brain atlas plots. Use this when you want to override the atlas default colours with your own colour mapping.

Usage

scale_brain_manual(
  palette,
  na.value = "grey",
  ...,
  aesthetics = c("fill", "colour", "color")
)
scale_colour_brain_manual(...)
scale_color_brain_manual(...)
scale_fill_brain_manual(...)

Value

A ggplot2 scale object.

Arguments

palette

Named character vector mapping region names to colours.

na.value

Colour for `NA` entries (default: `"grey"`).

...

Additional arguments (unused).

aesthetics

Which aesthetic to scale: `"fill"`, `"colour"`, or `"color"`.

Examples

library(ggplot2)

pal <- c("insula" = "red", "precentral" = "blue")
ggplot() +
  geom_brain(atlas = dk(), aes(fill = region), show.legend = FALSE) +
  scale_fill_brain_manual(palette = pal)