Dec. 21, 2008 to Dec. 22, 2008
An improved algorithm for computing geodetic coordinates from Cartesian coordinates is presented. The algorithm solves a quartic equation of the Lagrange parameter using Newton-Raphson(NR) method. A initial guess is given weightily that works rigorously for most points except in a small near-geocenter region. Numerical experiments and comparisons with some other methods show that the new algorithm is fast, stable and sufficiently precise.
geodetic coordinates; Cartesian coordinates; coordinates transformation
Fei Li, Chanfang Shu, "Improving Algorithm to Compute Geodetic Coordinates", ETTANDGRS, 2008, Education Technology and Training & Geoscience and Remote Sensing, Education Technology and Training & Geoscience and Remote Sensing 2008, pp. 340-343, doi:10.1109/ETTandGRS.2008.40