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int LocaPoint2LatLon(double* latidude, double* longitude, char*
locapoint)
{
*latidude = ((double)(
((int)(locapoint[0]) - 65) * 1757600
+((int)(locapoint[1]) - 65) * 67600
+((int)(locapoint[2]) - 48) * 6760
+((int)(locapoint[8]) - 65) * 260
+((int)(locapoint[9]) - 65) * 10
+((int)(locapoint[10]) - 48) )
* 180 / 45697600 -90);
*longitude = ((double)(
((int)(locapoint[4]) - 65) * 1757600
+((int)(locapoint[5]) - 65) * 67600
+((int)(locapoint[6]) - 48) * 6760
+((int)(locapoint[12]) - 65) * 260
+((int)(locapoint[13]) - 65) * 10
+((int)(locapoint[14]) - 48) )
* 360 / 45697600 -180);
return(0);
}
int LatLon2LocaPoint(double* latitude, double* longitude, char* locapoint)
{
double latitude_step = (*latitude +90)/180*45697600;
double longitude_step = (*lonitude + 180)/360*45697600;
locapoint[0] = (char)(latitude_step/1757600%26 + 65);
locapoint[1] = (char)(latitude_step/67600%26 + 65);
locapoint[2] = (char)(latitude_step/6760%10 + 48);
locapoint[3] = '.';
locapoint[4] = (char)(longitude_step/1757600%26 + 65);
locapoint[5] = (char)(longitude_step/67600%26 + 65);
locapoint[6] = (char)(longitude_step/6760%10 + 48);
locapoint[7] = '.';
locapoint[8] = (char)(latitude_step/260%26 + 65);
locapoint[9] = (char)(latitude_step/10%26 + 65);
locapoint[10] = (char)(latitude_step/1%10 + 48);
locapoint[11] = '.';
locapoint[12] = (char)(longitude_step/260%26 + 65);
locapoint[13] = (char)(longitude_step/10%26 + 65);
locapoint[14] = (char)(longitude_step/1%10 + 48);
locapoint[15] = '\0' ;
return (0) ;
}
function LocaPoint2LatLon(locapoint){
var location = new Object();
location.latitude =(
(locapoint.charCodeAt(0)-65)*1757600
+(locapoint.charCodeAt(1)-65)*67600
+(locapoint.charCodeAt(2)-48)*6760
+(locapoint.charCodeAt(8)-65)*260
+(locapoint.charCodeAt(9)-65)*10
+(locapoint.charCodeAt(10)-48)*1
)*180/45697600-90;
location.longitude = (
(locapoint.charCodeAt(4)-65)*1757600
+(locapoint.charCodeAt(5)-65)*67600
+(locapoint.charCodeAt(6)-48)*6760
+(locapoint.charCodeAt(12)-65)*260
+(locapoint.charCodeAt(13)-65)*10
+(locapoint.charCodeAt(14)-48)*1
)*360/45697600-180);
return(location);
}
function LatLon2LocaPoint(location){
var latitude_step = (location.latitude + 90)/180*45697600;
var longitude_step = (location.longitude + 180)/360*45697600;
var locapoint = String.fromCharCode(
latitude_step/1757600%26 + 65,
latitude_step/67600%26 + 65,
latitude_step/6760%10 + 48,
46,
longitude_step/1757600%26 + 65,
longitude_step/67600%26 + 65,
longitude_step/6760%10 + 48,
46,
latitude_step/260%26 + 65,
latitude_step/10%26 + 65,
latitude_step/1%10 + 48,
46,
longitude_step/260%26 + 65,
longitude_step/10%26 + 65,
longitude_step/1%10 + 48
);
return(locapoint);
}