Plot a waffle layer.

waffleLayer(
  x,
  var,
  cellvalue,
  cellsize,
  cellrnd = "ceiling",
  celltxt = paste0("1 cell = ", cellvalue),
  labels,
  ncols,
  col,
  border = "white",
  lwd = 0.2,
  legend.pos = "bottomleft",
  legend.title.txt = "legend title",
  legend.title.cex = 0.8,
  legend.values.cex = 0.6,
  legend.frame = FALSE,
  add = TRUE
)

Arguments

x

an sf object, a simple feature collection.

var

names of the numeric variable to plot.

cellvalue

value of a single cell. Original values are rounded, using cellrnd method, to be expressed as multiple of cellvalue.

cellsize

size of single cell, in map units.

cellrnd

rounding method, one of "ceiling", "floor", "round".

celltxt

text that appears under the legend.

labels

names that will appear in the legend.

ncols

number of columns of the waffles

col

a vector of colors.

border

color of the cells borders.

lwd

cells borders width.

legend.pos

position of the legend, one of "topleft", "top", "topright", "right", "bottomright", "bottom", "bottomleft", "left" or a vector of two coordinates in map units (c(x, y)). If legend.pos is "n" then the legend is not plotted.

legend.title.txt

title of the legend.

legend.title.cex

size of the legend title.

legend.values.cex

size of the values in the legend.

legend.frame

whether to add a frame to the legend (TRUE) or not (FALSE).

add

whether to add the layer to an existing plot (TRUE) or not (FALSE).

Examples

library(sf) mtq <- st_read(system.file("gpkg/mtq.gpkg", package = "cartography"), quiet = TRUE) # number of employed persons mtq$EMP <- mtq$ACT - mtq$CHOM plot(st_geometry(mtq), col = "#f2efe9", border = "#b38e43", lwd = 0.5)
waffleLayer( x = mtq, var = c("EMP", "CHOM"), cellvalue = 100, cellsize = 400, cellrnd = "ceiling", celltxt = "1 cell represents 100 persons", labels = c("Employed", "Unemployed"), ncols = 6, col = c("tomato1", "lightblue"), border = "#f2efe9", legend.pos = "topright", legend.title.cex = 1, legend.title.txt = "Active Population", legend.values.cex = 0.8, add = TRUE )
layoutLayer( title = "Structure of the Active Population", col = "tomato4", tabtitle = TRUE, scale = FALSE, sources = paste0("cartography ", packageVersion("cartography")), author = "Sources: Insee and IGN, 2018", )