add_ref_lines: Add reference lines for each cell of the glyphmap.
Description
Add reference lines for each cell of the glyphmap.
Usage
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()