google map view
google_map_view(map, location, zoom)
a googleway map object created from google_map()
numeric
vector of latitude/longitude (in that order)
coordinates for the initial starting position of the map.
The map will automatically set the location and zoom if data is added through one
of the various add_
functions. If null, the map will default to Melbourne, Australia.
integer
representing the zoom level of the map (0 is fully zoomed out)