【文件属性】:
文件名称:火星坐标转百度坐标
文件大小:413B
文件格式:TXT
更新时间:2021-12-04 05:11:37
bd_encrypt
function bd_encrypt(gg_lon, gg_lat){
var X_PI = Math.PI * 3000.0 / 180.0;
var x = gg_lon, y = gg_lat;
var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * X_PI);
var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * X_PI);
var bd_lon = z * Math.cos(theta) + 0.0065;
var bd_lat = z * Math.sin(theta) + 0.006;
return {
bd_lat: bd_lat,
bd_lon: bd_lon
};
}