legendSquaresSymbols {cartography} R Documentation

Legend for Proportional Squares Maps

Description

Plot legend for proportional squares maps

Usage

legendSquaresSymbols(
pos = "topleft",
title.txt = "Title of the legend",
title.cex = 0.8,
cex = 1,
border = "black",
lwd = 1,
values.cex = 0.6,
var,
inches,
col = "red",
frame = FALSE,
values.rnd = 0,
style = "c"
)


Arguments

 pos position of the legend, one of "topleft", "top", "topright", "right", "bottomright", "bottom", "bottomleft", "bottomleftextra", "left" or a vector of two coordinates in map units (c(x, y)). title.txt title of the legend. title.cex size of the legend title. cex size of the legend. 2 means two times bigger. border color of the borders. lwd width of the borders. values.cex size of the values in the legend. var vector of values (at least min and max). inches length of the sides of the larger square. col color of symbols. frame whether to add a frame to the legend (TRUE) or not (FALSE). values.rnd number of decimal places of the values in the legend. style either "c" or "e". The legend has two display styles, "c" stands for compact and "e" for extended.

Examples

library(sf)
var = c(max(mtq$POP), min(mtq$POP)),