Ipea Color Palette and Scales — ipea

This function creates a vector of n equally spaced colors along the selected color map.

Usage

ipea_palette(
  palette = c("Blue", "Green", "Orange", "Pink", "Green-Blue", "Green-Blue-White",
    "Red-Blue", "Red-Blue-White", "Orange-Blue", "Orange-Blue-White", "Viridis",
    "Inferno", "Magma", "Plasma", "Cividis"),
  n,
  alpha = 1,
  begin = 0,
  end = 1,
  palette_direction = 1
)

Arguments

palette: A character string indicating the color map option to use. These options are available:'Blue', 'Green', 'Orange', 'Pink', 'Red-Blue' 'Orange-Blue', 'Green-Blue', 'Red-Blue-White', 'Orange-Blue-White', 'Green-Blue-White', 'Viridis', 'Inferno', 'Magma', 'Plasma', 'Cividis'.
n: The number of colors (\(\ge 1\)) used in the palette.
alpha: The alpha transparency in a number between 0 and 1.
begin: The (corrected) hue in a number between 0 and 1 at which the color map begins.
end: The (corrected) hue in a number between 0 and 1 at which the color map ends.
palette_direction: Sets the order of colors in the scale. If 1, the default, colors are ordered from darkest to lightest. If -1, the order of colors is reversed.

Value

ipea_palette produces a character vector, cv, containing color hex codes. This vector can be utilized to establish a custom color scheme for future graphics using palette(cv), or it can be applied directly as a col = parameter in graphic functions or within par.

Details

A 9-color Ipea palette.

References

'Blue','Green','Orange','Pink','Green-Blue','Green-Blue-White','Red-Blue','Red-Blue-White', 'Orange-Blue','Orange-Blue-White', 'Viridis','Inferno', 'Magma','Plasma' and 'Cividis': https://pmassicotte.github.io/paletteer_gallery/