Maps wavelength values (nm) to approximate visible-light colors for intuitive spectral visualization. Below 380 nm: UV purple; above 780 nm: deep red.
Arguments
- name
Character. Legend title. Default
"Wavelength (nm)".- ...
Additional arguments passed to
ggplot2::scale_color_gradientn().
Examples
df <- data.frame(x = 1:5, y = 1:5, wl = c(200, 400, 550, 700, 850))
ggplot2::ggplot(df, ggplot2::aes(x, y, colour = wl)) +
ggplot2::geom_point(size = 5) + scale_color_wavelength()
