geo2map坐标转换

 

 

世界像素坐标是：

0.0-----------------------〉

|

|

|

|/----------------------------268435455.268435455

 

 要显示的中国的范围
 (45,66.5132594306) -> (135, 0)

对应(-1,-1)--〉(1,1)

public static final int GEOMINX =167772160;
 public static final int GEOMINY = 67108864;
 public static final int GEOMAXX = 234881024;
 public static final int GEOMAXY = 134217728;

----------------------------------------->

(-1-1)             |

                       |

----------------  |----------------------------

                       |

 |/                     |                             (1,1)