88 return a * (1 - e2) / (x * sqrt(x));
141 return a * sqrt(1 - e2) /
x;
double G_radius_of_conformal_tangent_sphere(double lon, double a, double e2)
Radius of conformal tangent sphere.
double G_meridional_radius_of_curvature(double lon, double a, double e2)
Meridional radius of curvature.
double G_transverse_radius_of_curvature(double lon, double a, double e2)
Transverse radius of curvature.