Posted by Martin on Dec 21, 2021; 12:20pm
URL: https://forum.jogamp.org/contour-lines-disappeared-when-zoom-in-3D-earth-coordinates-tp4041550p4041552.html

An additional thought : you may be interested by Nasa World Wind, an SDK for building applications displaying earth and computation on it. It uses JOGL. Maybe it already solves some of your problems.