Add a Bullseyes to a Map or RgoogleMap Plot

Source: R/addBullseye.R

Draws a bullseye with concentric circles of black and white at the specified location.

addBullseye(longitude, latitude, map = NULL, cex = 2, lwd = 2)

Arguments

longitude

vector of longitudes
latitude

vector of latitudes
map

optional RgoogleMaps map object
cex

character expansion
lwd

line width of individual circles

Examples

wa <- monitor_subset(Northwest_Megafires, stateCodes='WA', tlim=c(20150821,20150828))
monitor_map(wa, cex=4)

addBullseye(wa$meta$longitude, wa$meta$latitude)