orb_scale: Scales

In orbis: Interactive and High-Resolution Layered Graphics with Built-in World Maps

Scales

Description

Scales control how data values are converted to visual values: which colours a variable spans, how large points become, and the limits and transformation of the axes.

Usage

orb_scale_colour(palette = "viridis", limits = NULL, reverse = FALSE)

orb_scale_fill(palette = "viridis", limits = NULL, reverse = FALSE)

orb_scale_size(range = c(2, 14), limits = NULL)

orb_scale_x(limits = NULL, trans = "identity", breaks = NULL, expand = 0.04)

orb_scale_y(limits = NULL, trans = "identity", breaks = NULL, expand = 0.04)

Arguments

palette	Palette name (see orb_palettes()) or a character vector of colours to interpolate.
limits	Numeric length-2 vector giving the data range to map, or NULL to use the observed range.
reverse	Reverse the direction of the palette.
range	Length-2 numeric vector giving the smallest and largest radius in pixels, for orb_scale_size().
trans	Axis transformation: "identity" (default), "log10" or "sqrt".
breaks	Numeric vector of axis breaks, or NULL for automatic.
expand	Fraction of the data range added as padding at each end.

Value

An object of class orb_scale, to be added to a plot.

Examples

p <- orb(mtcars, x = wt, y = mpg, colour = hp) + orb_points()
p + orb_scale_colour("magma", reverse = TRUE)
p + orb_scale_y(limits = c(10, 35))

orbis documentation built on Aug. 5, 2026, 9:08 a.m.