In cartography
several functions have a pos
or legend.pos
argument. These arguments can take the following values: “topleft”, “top”, “topright”, “right”, “bottomright”, “bottom”, “bottomleft”, “bottomleftextra”, “left” or a vector of two coordinates in map units (c(x, y)).
The posibility to use a vector of coordinates is useful for placing an element at a precise location: Continuer la lecture de How to interactively position legends and layout elements on a map with cartography