inset: Add ggplot2 insets to a map
Description
This is identical to ggplot2::annotation_custom for use
with ggmapUsage
inset(grob, xmin = -Inf, xmax = Inf, ymin = -Inf,
ymax = Inf)
Arguments
xmin,xmax
x location (in data coordinates) giving
horizontal location of raster
ymin,ymax
y location (in data coordinates) giving
vertical location of raster
Details
Most useful for adding tables, inset plots, and other
grid-based decorations