如何从经度和纬度的 2 个坐标中找到高度和宽度？

Question

我在网上查了，但找不到任何结果。我的问题是我有两个点的坐标，如图所示。但我需要找到高度和宽度。我将为 c++ 编写代码，但如果你没有它，你就不需要这样做。如果您能帮我计算公式，我将不胜感激。非常感谢。

Answer 1

我找到了答案。

double lla2flatDistanceFormula(double lat1, double lon1, double lat2, double lon2)
{
double psio = 30;
double href = 0;

const double R = 6378137;
const double f = 0.00335281066474748071;

// target
const double lat_p = lat1 * M_PI / 180;
const double lon_p = lon1 * M_PI / 180;
const double alt_p = href;

// reference
const double lat_o = lat2 * M_PI / 180;
const double lon_o = lon2 * M_PI / 180;

psio = psio * M_PI / 180;

double d_lat = abs(lat_p - lat_o);
double d_lon = abs(lon_p - lon_o);

double ff = (2.0 * f) - pow(f, 2);
double sin_lat = sin(lat_o);

double Rn = R / sqrt(1 - (ff * pow(sin_lat, 2)));
double Rm = Rn * (1 - ff) / (1 - ff * pow(sin_lat, 2));


double d_north = d_lat / atan2(1, Rm); //Height metric
double d_east = d_lon / atan2(1, (Rn * cos(lat_o))); //Width metric

 // Rotate matrix clockwise
double x_p = (d_north * cos(psio)) + d_east * sin(psio);
double y_p = (-d_north * sin(psio)) + d_east * cos(psio);
double z_p = -alt_p - href;

double w_p = sqrt(pow(x_p, 2) + pow(y_p, 2));



return w_p; //point to point distance metric }