scale-fill-viridis-b

Binned viridis fill scale.

Partitions the continuous domain into n-breaks equal segments, each coloured from the chosen viridis palette.

Usage

scale-fill-viridis-b(
  ..args,
)

Parameters

Parameter Default Description
..args

Returns

Scale object consumed by plot.

Examples

Default viridis ramp quantised into four bins for a banded fill.

#let d = range(0, 12).map(i => (grp: str(i), y: i + 1))
#plot(
  data: d,
  mapping: aes(x: "grp", y: "y", fill: "y"),
  layers: (geom-col(),),
  scales: (scale-fill-viridis-b(n-breaks: 4),),
  width: 10cm,
  height: 6cm,
)

Bar chart of twelve increasing bars where y is cut into four stepped bands coloured along the viridis ramp from purple to yellow.

Bar chart of twelve increasing bars where y is cut into four stepped bands coloured along the viridis ramp from purple to yellow.

The same ramp shown as a banded swatch via geom-rect.

#let d = range(0, 12).map(i => (
  xmin: i, xmax: i + 1, ymin: 0, ymax: 1, z: i,
))
#plot(
  data: d,
  mapping: aes(xmin: "xmin", xmax: "xmax", ymin: "ymin", ymax: "ymax", fill: "z"),
  layers: (geom-rect(),),
  scales: (scale-fill-viridis-b(option: "plasma", n-breaks: 6),),
  guides: guides(fill: guide-none()),
  width: 8cm,
  height: 1cm,
)

Colour-bar swatch of twelve rectangles where z is cut into six stepped bands coloured from the plasma viridis palette ranging purple through pink to yellow.

Colour-bar swatch of twelve rectangles where z is cut into six stepped bands coloured from the plasma viridis palette ranging purple through pink to yellow.

See also

scale-fill-viridis-c, scale-fill-viridis-d, scale-colour-viridis-b.

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