Function navtk::navutils::calculate_gravity_savage_ned

Function Documentation

Vector3 navtk::navutils::calculate_gravity_savage_ned(const Matrix &C_n_to_e, double h)

Gravity Vector from the ‘Savage’ gravity model as given in Section 5.4 of Strapdown Analytics, 2nd ed., NED frame version.

Parameters
  • C_n_to_e – DCM that rotates from the N frame to the E frame \(\textbf{C}_\text{N}^\text{E}\) (provides knowledge of horizontal position)

  • h – Ellipsoidal altitude (meters)

Returns

Gravity at the specified location expressed in the NED frame.