Rhumbs — bt_rhumbs • bertin

Rhumbs

Usage

bt_rhumbs(
  bertin,
  nb = 10,
  position,
  stroke = "#786d6c",
  strokeWidth = 2,
  strokeOpacity = 1,
  strokeDasharray = "none",
  display = TRUE
)

Arguments

bertin: map object
nb: number of lines
position: position of the text. It can be an array with x,y coordinates. For example [100,200]. It can be also a string defining the position.'topleft', 'top', 'topright', 'left', 'middle', 'right', 'bottomleft', 'bottom', 'bottomright'
stroke: stroke color
strokeWidth: stroke width
strokeOpacity: stroke opacity
strokeDasharray: stroke dash array
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_layer(data = world, fill = "white") |>
  bt_rhumbs(position = c(370, 370), nb = 25) |>
  bt_draw()