Add reference lines for each cell of the glyphmap.

Add reference lines for each cell of the glyphmap.

add_ref_lines(data, color = "white", size = 1.5, ...)

Arguments

data

A glyphmap structure.

color

Set the color to draw in, default is "white"

size

Set the line size, default is 1.5

...

other arguments passed onto ggplot2::geom_line()