Create a ggplot object of a color palette.
Examples
pal <- Hue(paletteLength.num=5)
ggPalette(pal)
#> Warning: Use of `data.dtf$x` is discouraged. Use `x` instead.
#> Warning: Use of `data.dtf$y` is discouraged. Use `y` instead.
#> Warning: Use of `data.dtf$x` is discouraged. Use `x` instead.
#> Warning: Use of `data.dtf$x` is discouraged. Use `x` instead.
#> Warning: Use of `data.dtf$y` is discouraged. Use `y` instead.