使用FGMap API实现三维下查看QQ地图、Bing地图、MapABC地图等类型的地图，同时可以飞行来查看各地的天气变化的情况。-Use FGMap API to achieve three-dimensional map view the QQ, Bing maps, MapABC maps and other types of maps, and can fly around to see the changes in the weather conditions.