Plot a frame around an existing map.
Arguments
- extent
type of frame, either 'map' or 'figure'
- col
line color
- lwd
line width
- lty
line type
- ...
other arguments from
box
Examples
mtq <- mf_get_mtq()
mf_map(mtq)
mf_title()
mf_frame(extent = "map")
mf_map(mtq)
mf_title()
mf_frame(extent = "figure")
