Horizontal key drawing functions
draw_key_hpath(data, params, size)draw_key_pointrangeh(data, params, size)
draw_key_crossbarh(data, params, size)
draw_key_boxploth(data, params, size)
A single row data frame containing the scaled aesthetics to display in this key
A list of additional parameters supplied to the geom.
Width and height of key in mm.
A grid grob.