發送短信 : Enhancement of spatial data analysis

 __   _     _____     _  _     _____      _____  
| || | ||  |  ___||  | \| ||  |  ___||   / ___// 
| '--' ||  | ||__    |  ' ||  | ||__     \___ \\ 
| .--. ||  | ||__    | .  ||  | ||__     /    // 
|_|| |_||  |_____||  |_|\_||  |_____||  /____//  
`-`  `-`   `-----`   `-` -`   `-----`  `-----`