addbrush {DescribeDisplay}

Add brush to plot This adds a rectangle to a ggplot plot indicating the brush position.

Description

Add brush to plot This adds a rectangle to a ggplot plot indicating the brush position.

Usage

addbrush(
  plot,
  x,
  y,
  width = 0.5,
  height = 0.5,
  just = c("left", "top"),
  fill = "transparent",
  col = "black"
)

Arguments

plot

plot object

x

x position of brush

y

y position of brush

width

width of brush

height

height of brush

just

which corner of brush should be determined by x and y position

fill

fill colour for brush. Use ggplot-alpha for alpha blending.

col

outline colour of brush

Author(s)

Hadley Wickham [e-mail]