.googleMapURL(latitude, longitude, position = NULL,
zoom = 11,
maptype = c("roadmap", "satellite", "terrain", "hybrid"),
mark = FALSE, radius = 0) .googleMapURL2(latitude, longitude, position = NULL,
zoom = 12, width = 600, height = 400,
maptype = c("roadmap", "satellite", "terrain", "hybrid"),
mark = FALSE)
'roadmap'
,
'satellite'
, 'terrain'
, and
'hybrid'