火星坐标转百度坐标

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 }; } * Math.cos(theta) + 0.0065; var bd_lat = z * Math.sin(theta) + 0.006; return { bd_lat: bd_lat, bd_lon: bd_lon }; }