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")`.
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