GPE_get_basemap

Get a basemap from Stamen Maps (http://maps.stamen.com/)

GPE_get_basemap(participants, locations)

Arguments

participants	a dataframe containing "lon" and "lat" columns with WGS84 (Mercator) coordinates
locations	a dataframe containing "lon" and "lat" columns with WGS84 (Mercator) coordinates

Examples

if (FALSE) {
GPE_get_basemap(participants = participants, locations = locations)
}