scalebar: Draw a scalebar

In giby/Linarius: Linarius: A package for phylogeographic studies, with all functions that are missing in both phylogenetic and geographical packages

Description

Draw a scalebar on a map,

Usage

scalebar(loc, length, unit = "km", degrees = TRUE, cex = par("cex"),
  scale = 1, ...)

Arguments

loc	Where to put the bar (longitude and latitude)
unit	The unit to use on for the scalebare. For autocomputed size, several units are possible: kilometer: "km", mile "mi", nautical mile "nmi", meter "m" or league "li"
degrees	A logical argument TRUE is the shape file is in degrees and FALSE is the shapefile is projected
scale	Ratio between projected map unit and physical distence unit. To be use if degrees = FALSE
lenght	How long it should be

Examples

require(sp)
data(Leymus)
plot(west)
scalebar(c(-20.33,63.3),8)

giby/Linarius documentation built on May 17, 2019, 4:20 a.m.