This is a deprecated ggplot2 theme developed for the Wisconsin Department of Public Instruction for making PDF maps
theme_dpi_map2(base_size = 14, base_family = "")
A theme object which is a list of attributes applied to a ggplot2 object.
numeric, specify the font size, default is 14
character, specify the font family, this value is optional
Jared E. Knowles
All values are optional
his uses unit
from the grid package extensively.
See also theme_bw
from the ggplot2 package.