百度坐标转火星坐标
/*百度坐标转火星坐标*/
x_pi=3.14159265358979324 * 3000.0 / 180.0;
function baiduTomars(baidu_point){
var mars_point={lon:0,lat:0};
var x=baidu_point.lon-0.0065;
var y=baidu_point.lat-0.006;
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);
mars_point.lon=z * Math.cos(theta);
mars_point.lat=z * Math.sin(theta);
return mars_point;
}
火星坐标转百度坐标
x_pi=3.14159265358979324 * 3000.0 / 180.0;
function marsTobaidu(mars_point){
var baidu_point={lon:0,lat:0};
var x=mars_point.lon;
var y=mars_point.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);
baidu_point.lon = z * Math.cos(theta) + 0.0065;
baidu_point.lat = z * Math.sin(theta) + 0.006;
return baidu_point;
}
WGS