rose: Draw a Compass

In emmanuelparadis/sentinel: Sentinel

Draw a Compass

Description

Draw a compass on a map or a plot.

Usage

rose(x, y, size = 1, width = size/4, cols = c("grey10", "white"),
     labels = c("N", "S", "E", "W"), offset = 0, ...)

Arguments

x, y	coordinates of the center of the compass given as two vectors of length one (in user coordinates).
size	the length of the needles (in the same units than the user coordinates).
width	the width of the needles at the bottom; by default, one fourth of the previous.
cols	the colours for each side of the needles.
labels	the text printed at the tips of the needles.
offset	the space between the labels and the tips of the needles.
...	further arguments passed to text to format the labels.

Details

To not print the directions, set labels = rep("", 4).

Author(s)

Emmanuel Paradis

emmanuelparadis/sentinel documentation built on May 2, 2024, 4:52 a.m.