腾讯经纬度与百度经纬度坐标互转
/**
* 坐标转换，腾讯地图转换成百度地图坐标
* @param lat 腾讯纬度
* @param lon 腾讯经度
* @return 返回结果：经度,纬度
*/
public String map_tx2bd(double lat, double lon){
double bd_lat;
double bd_lon;
double x_pi=3.14159265358979324;
double x = lon, y = lat;
double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);
double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);
bd_lon = z * Math.cos(theta) + 0.0065;
bd_lat = z * Math.sin(theta) + 0.006;
System.out.println("bd_lat:"+bd_lat);
System.out.println("bd_lon:"+bd_lon);
return bd_lon+","+bd_lat;
}
/**
* 坐标转换，百度地图坐标转换成腾讯地图坐标
* @param lat 百度坐标纬度
* @param lon 百度坐标经度
* @return 返回结果：纬度,经度
*/
public String map_bd2tx(double lat, double lon){
double tx_lat;
double tx_lon;
double x_pi=3.14159265358979324;
double x = lon - 0.0065, y = lat - 0.006;
double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
tx_lon = z * Math.cos(theta);
tx_lat = z * Math.sin(theta);
return tx_lat+","+tx_lon;
}转载自：https://blog.csdn.net/myfmyfmyfmyf/article/details/45717797