Spikes — bt_spikes • bertin

Spikes

Usage

bt_spikes(
  bertin,
  data,
  values,
  k = 50,
  w = 10,
  fill = "#a31d88",
  stroke = 0.7,
  strokeWidth = 0.7,
  fillOpacity = 0.3,
  tooltip,
  display = TRUE,
  leg_x,
  leg_y,
  leg_fill = "none",
  leg_stroke = "black",
  leg_strokeWidth = 0.8,
  leg_txtcol = "#363636",
  leg_title = values,
  leg_round,
  leg_fontSize = 14,
  leg_fontSize2 = 10
)

Arguments

bertin: map object
data: sf object EPSG:4326
values: a string corresponding to the targeted variable in the properties
k: size of the largest object
w: width of the spikes
fill: fill color
stroke: stroke color
strokeWidth: stroke width
fillOpacity: fill opacity
tooltip: tooltip allows you to display a label when you fly over an object
display: Boolean to allow to show or hide the layer. This parameter has no effect on the calculation of the extent
leg_x: position in x (if this value is not filled, the legend is not displayed)(value in px)
leg_y: position in y (if this value is not filled, the legend is not displayed)(value in px)
leg_fill: color of the circles
leg_stroke: stroke color of the circles
leg_strokeWidth: stoke-width of the legend
leg_txtcol: color of the text
leg_title: title of the legend
leg_round: number of digits after the decimal point
leg_fontSize: legend title font size
leg_fontSize2: legend text font size

Value

a map object

Examples

library(sf)
world <- st_read(system.file("gpkg/world.gpkg", package = "bertin"),
                 layer = "world", quiet = TRUE)
bt_layer(data = world, fill = "#808080") |>
  bt_spikes(data = world, values = "pop", k = 110, w = 6) |>
  bt_draw()