Export a tmap plot object to a grob object (from the grid package).
Value
A grob object when one page is generated, or a list of grob objects when multiple pages are generated.
Examples
if (FALSE) {
data(World)
m <- tm_shape(World) +
tm_fill("well_being", id="name", title="Well-being")
grb = tmap_grob(m)
library(grid)
grid.newpage()
pushViewport(viewport(x = 0.1, y = 0.1, width = 0.2, height = 0.2))
grid.draw(grb)
upViewport()
pushViewport(viewport(x = 0.6, y = 0.6, width = 0.8, height = 0.8))
grid.draw(grb)
}