16  Arranging maps

library(tmap)

library(sf)
slo_regions = read_sf("data/slovenia/slo_regions.gpkg")
tm1 = tm_shape(slo_regions) +
  tm_fill("gdppercap") +
  tm_borders() +
  tm_title("GDP per capita in Slovenia")

library(stars)
slo_elev = read_stars("data/slovenia/slo_elev.tif")
tm2 = tm_shape(slo_elev) +
  tm_raster() +
  tm_borders() +
  tm_title("Elevation in Slovenia")

tmap_arrange(tm1, tm2, nrow = 2)
#> [scale] tm_raster:() the data variable assigned to 'col' contains positive and negative values, so midpoint is set to 0. Set 'midpoint = NA' in 'fill.scale = tm_scale_intervals(<HERE>)' to use all visual values (e.g. colors)

tmap_arrange(tm1, tm2, nrow = 2, heights = c(0.8, 0.2))
#> [scale] tm_raster:() the data variable assigned to 'col' contains positive and negative values, so midpoint is set to 0. Set 'midpoint = NA' in 'fill.scale = tm_scale_intervals(<HERE>)' to use all visual values (e.g. colors)
#> [plot mode] fit legend/component: Some legend items or map compoments do not
#> fit well, and are therefore rescaled.
#> ℹ Set the tmap option `component.autoscale = FALSE` to disable rescaling.