Posted by gouessej on Sep 29, 2014; 9:07am
URL: https://forum.jogamp.org/get-polygons-at-point-x-z-tp4033221p4033235.html

Maybe you should look at the source code of intersection tools for Java 3D in order to check which assumptions are done on the way polygons are sorted:
http://code.j3d.org/using/geom_intersect.html