scale-discrete
Discrete scale for any categorical aesthetic.
Keyed to x/y it orders the axis levels; keyed to colour/fill, shape, or linetype it assigns the per-level palette, defaulting to that aesthetic’s built-in set.
Usage
scale-discrete(
..args,
)Parameters
| Parameter | Default | Description |
|---|---|---|
..args |
Named arguments forwarded to the bound scale (e.g. name, limits, labels, palette). |
Returns
Deferred scale spec consumed by scales.
Examples
Force the level order on a discrete x axis.
#let d = ((grp: "b", y: 3), (grp: "a", y: 5), (grp: "c", y: 2))
#plot(
data: d,
mapping: aes(x: "grp", y: "y"),
layers: (geom-col(),),
scales: scales(x: scale-discrete(limits: ("a", "b", "c"))),
width: 10cm,
height: 6cm,
)