| maps2 | A list with 8 'ggplot2' objects of swiss territory boundaries, at various levels. |
| maps2_ | Prepares the base of a map, starting from a data frame with longitude (long) and latitude (lat) coordinates, as a 'ggplot2' object |
| shp_df | A list with 8 data frames of swiss territory boundaries, at various levels. |
| shp_sf | A list with 8 'sf' objects of swiss territory boundaries, at various levels. |
| theme_white_f | theme_white_f is a 'ggplot2' theme function that can be added to a 'ggplot2' object to eliminate axes, ticks and put white background |