Add rectangular layers from rule boundaries

Converts a table of lower and upper x/y boundaries into rectangular ggplot2 layers.

Usage

rule_rect_layers(rule_tbl, ...)

Arguments

rule_tbl

A data frame containing x, y, and bound columns. The bound column should contain "lower" and "upper" values.

...

Additional arguments passed to ggplot2::geom_rect().

Value

A list containing a ggplot2::geom_rect() layer.

Examples

rule_tbl <- tibble::tribble(
  ~bound,  ~x, ~y,
  "lower",  1,  2,
  "upper",  4,  6
)

ggplot2::ggplot() +
  rule_rect_layers(
    rule_tbl,
    fill = "steelblue",
    alpha = 0.3
  )