brewer_pal: Colour Brewer palette (discrete).

Description Usage Arguments References Examples

View source: R/pal-brewer.r

Description

Colour Brewer palette (discrete).

Usage

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brewer_pal(type = "seq", palette = 1, direction = 1)

Arguments

type

One of seq (sequential), div (diverging) or qual (qualitative)

palette

If a string, will use that named palette. If a number, will index into the list of palettes of appropriate type

direction

Sets the order of colours in the scale. If 1, the default, colours are as output by RColorBrewer::brewer.pal(). If -1, the order of colours is reversed.

References

http://colorbrewer2.org

Examples

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show_col(brewer_pal()(10))
show_col(brewer_pal("div")(5))
show_col(brewer_pal(palette = "Greens")(5))

# Can use with gradient_n to create a continous gradient
cols <- brewer_pal("div")(5)
show_col(gradient_n_pal(cols)(seq(0, 1, length.out = 30)))

Example output

Warning message:
In RColorBrewer::brewer.pal(n, pal) :
  n too large, allowed maximum for palette Blues is 9
Returning the palette you asked for with that many colors

scales documentation built on Aug. 10, 2018, 1:17 a.m.