## load shapes
data(NLD_muni)
data(World)
## get bounding box (similar to sp's function bbox)
bb(NLD_muni)
## extent it by factor 1.10
bb(NLD_muni, ext=1.10)
## convert to longlat
bb(NLD_muni, projection="longlat")
## change existing bounding box
bb(NLD_muni, ext=1.5)
bb(NLD_muni, width=2, relative = TRUE)
bb(NLD_muni, xlim=c(.25, .75), ylim=c(.25, .75), relative = TRUE)
bb("Limburg", projection = "rd")
bb_italy <- bb("Italy", projection = "eck4")
tm_shape(World, bbox=bb_italy) + tm_polygons()
# shorter alternative: tm_shape(World, bbox="Italy") + tm_polygons()
Run the code above in your browser using DataLab