麥卡托投影法程式範例 此程式為把地球從圓形轉換成圓柱再把圓柱攤開成平面，把位置的經緯度轉換成X、Y軸後顯示在畫面上-Mercator method program example of this program for the earth convert from circular cylindrical then cylindrical spread into the plane, the latitude and longitude of the location is converte