transform

[davidhodge931]

library(tidyverse)
library(ggblanket)

#date
economics |>
  ggplot(aes(date, unemploy)) +
  geom_line(aes(colour = date)) +
  scale_colour_gradientn(
    colours = viridis::inferno(n = 9),
    transform = scales::transform_date(),
  )

#datetime (i.e."POSIXt" class)
data.frame(
  x = Sys.time() + seq(0, 2e6, length.out = 20),
  y = rnorm(20)
  ) |>
  ggplot(aes(x, y)) +
  geom_line(aes(colour = x)) +
  scale_colour_gradientn(colours = viridis::inferno(n = 9), 
                         transform = scales::transform_time())

#hms
data.frame(
  x = Sys.time() + seq(0, 2e6, length.out = 20),
  y = rnorm(20)
  ) |>
  mutate(x = hms::as_hms(x)) |>
  ggplot(aes(x, y)) +
  geom_line(aes(colour = x)) +
  scale_colour_gradientn(colours = viridis::inferno(n = 9), 
                         transform = scales::transform_hms())

[davidhodge931]

Sorted :)