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Shadow

Source: R/bt_functions.R
bt_shadow.Rd

Shadow

Usage

bt_shadow(
  bertin,
  data,
  dx = 3,
  dy = 3,
  stdDeviation = 1.5,
  opacity = 0.7,
  fill = "#35383d",
  display = TRUE
)

Arguments

bertin

map object

data

sf object EPSG:4326

dx

shift in x

dy

shift in y

stdDeviation

blur

opacity

opacity of the object

fill

fill color

display

Boolean to allow to show or hide the layer. This parameter has no effect on the calculation of the extent

Value

a map object

Examples

library(sf)
world <- st_read(system.file("gpkg/world.gpkg", package = "bertin"),
                 layer = "world", quiet = TRUE)
bt_param(projection = "Eckert3", clip = TRUE) |>
  bt_outline() |>
  bt_shadow(data = world) |>
  bt_layer(data = world, fill = "white") |>
  bt_draw()