Mathematica新功能——地图绘制
1、绘制默认地区的地图:GeoGraphics[]

3、绘制刚果的轮廓图:GeoGraphics[Polygon[=congo]]

5、绘制地图上两点之间的测地线:With[{locations = {GeoPosition[{-35, -55}], GeoPosition[{70, 100}]}}, GeoGraphics[{{Blue, GeoPath[locations, "Geodesic"]}}, GeoRange -> "World",ImageSize->{500,365}, GeoProjection -> "Robinson"]]
