Layer — bt_layer • bertin

Layer

Usage

bt_layer(
  bertin,
  data,
  fill,
  tooltip,
  strokeWidth = 0.5,
  strokeDasharray = NULL,
  stroke = "white",
  strokeLinecap = "round",
  strokeLinejoin = "round",
  fillOpacity = 1,
  strokeOpacity = 1,
  symbol = "circle",
  symbol_size = 5,
  symbol_shift = 0,
  symbol_iteration = 200,
  display = TRUE,
  id = NULL
)

Arguments

bertin: map object
data: sf object EPSG:4326
fill: fill color
tooltip: tooltip allows you to display a label when you fly over an object
strokeWidth: stroke width
strokeDasharray: stroke dash array
stroke: stroke color
strokeLinecap: appearance of the line cap
strokeLinejoin: appearance of the intersection beetween two or several lines
fillOpacity: fill opacity
strokeOpacity: stroke opacity
symbol: if it is a dot layer, the type of symbol.circlecrossdiamondsquarestartrianglewye
symbol_size: if it is a dot layer, a number indicating the size of the symbol
symbol_shift: if it is a dot layer, use a value > 0 to switch symbols and avoid overlay
symbol_iteration: Number of iteration to shift symbols
display: Boolean to allow to show or hide the layer. This parameter has no effect on the calculation of the extent
id: A unique identifier for the layer, useful to update parameters with proxy in shiny.

Value

a bertin list

Examples

library(sf)
world <- st_read(system.file("gpkg/world.gpkg", package = "bertin"),
                 layer = "world", quiet = TRUE)
bt_param(margin = 10, width = 500, projection = "Winkel3") |>
  bt_layer(data = world, fill = "red") |>
  bt_draw()