R language ggmap

The ggmap The software package provides an interface with google maps api Interact and get the coordinates of the place you want to draw （ Latitude and longitude ） The facilities . The following example shows the satellite of Chennai 、 Roads and mixed maps , Surrounded some places . I use this geocode() Function to get the coordinates of these places and qmap() Get maps . The type of map you want to get is set to maptype.

zoom You can also enlarge the map by setting parameters . The default is 10（ Suitable for big cities ）. If you want to shrink , Please reduce this number （ most 3 individual ）. It can be magnified to 21, For buildings .

# Better install the dev versions ----------
# devtools::install_github(