| convertCoord | Convert coordinate from different coordinate systems to AutoNavi system | 
| convertCoord.individual | Convert an individual coordinate from different coordinate systems to AutoNavi system | 
| extractAdmin | Get Subordinate Administrative Region from getAdmin request Now, it only support extract the first layer of subordinate administrative region information. | 
| extractConvertCoord | Extract converted coordinate points from convertCoord request | 
| extractCoord | Extract coordinate from location request | 
| extractLocation | Extract location from coordinate request | 
| getAdmin | Get Subordinate Administrative Regions from location | 
| getAdmin.individual | Get an individual data.table of Subordinate Administrative Regions from location | 
| getCoord | Get coordinate from location | 
| getCoord.individual | Get an individual coordinate from location | 
| getLocation | Get location from coordinate | 
| getLocation.individual | Get an individual location from coordinate | 
| num_coord_to_str_loc | Take longitude and latitude from location string out. | 
| str_loc_to_num_coord | Take longitude and latitude from location string out. |