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 = "")numeric, specify the font size, default is 14
character, specify the font family, this value is optional
A theme object which is a list of attributes applied to a ggplot2 object.
All values are optional
his uses unit from the grid package extensively.
See also theme_bw from the ggplot2 package.