North Arrow

Source: R/north.R

Plot a north arrow.

north(pos = "topright", col = "grey20", south = FALSE, x = NULL)

Arguments

pos

position of the north arrow. It can be one of "topleft", "top", "topright", "right", "bottomright", "bottom", "bottomleft", "left" or a vector of two coordinates in map units (c(x, y)).

col

arrow color.

south

plot a south arrow instead.

x

sf or sp object used to correct the north azimuth

See also

layoutLayer

Examples

library(sf)
mtq <- st_read(system.file("gpkg/mtq.gpkg", package="cartography"))
#> Reading layer `mtq' from data source 
#>   `/tmp/RtmpmpfIrO/temp_libpath18ee15f22a9e/cartography/gpkg/mtq.gpkg' 
#>   using driver `GPKG'
#> Simple feature collection with 34 features and 7 fields
#> Geometry type: MULTIPOLYGON
#> Dimension:     XY
#> Bounding box:  xmin: 690574 ymin: 1592536 xmax: 735940.2 ymax: 1645660
#> Projected CRS: WGS 84 / UTM zone 20N
plot(st_geometry(mtq))
box()
for (i in list("topleft", "top", "topright", "right", "bottomright", 
               "bottom", "bottomleft", "left", c(746368, 1632993))){
  north(i, south = TRUE)
}