R tmap

tmap code

Constant visual values

library(tmap)

tm_shape(World)+ 
  tm_polygons(
    fill = "#ffce00", # fill color
    col = "black",    # line color
    lwd = 0.5,        # line width
    lty = "dashed")   # line type

## [tip] Consider a suitable map projection, e.g. by adding `+ tm_crs("auto")`.
## This message is displayed once per session.

Data-driven symbol

tm_shape(World)+ 
  tm_polygons(fill = "grey90") +   # constant fill color 
  tm_symbols(size = "pop_est",     # data variable, mapped to symbol size
             fill = "well_being",  # data variable, mapped to symbol fill color
             shape = "income_grp") # data variable, mapped to symbol shape

ttmp()

## ℹ tmap mode set to "view".
## ℹ switch back to "plot" mode with `tmap::ttm()`

tm_shape(World) + 
  tm_polygons(
    fill = "economy",
    fill.chart = tm_chart_bar())

## charts not implemented in view mode

ttmp()

## ℹ tmap mode set to "plot".
## ℹ switch back to "view" mode with `tmap::ttm()`

tm_shape(World, 
         bbox = "FULL",
         crs = "+proj=ortho +lat_0=30 +lon_0=0") +
  tm_polygons() +
  tm_xlab("Longitudes") +
  tm_ylab("Latitudes")+ 
  tm_graticules(n.x = 20, n.y = 10, col = "black", lwd = 2, labels.show = FALSE) +
  tm_style("natural")