Posted by gouessej on Jul 27, 2015; 12:01pm
URL: https://forum.jogamp.org/Manually-set-normal-vectors-are-ignored-for-backface-culling-tp4034976p4034977.html

Hi

Maybe I'm wrong but I don't expect Java3D to use the normals with the backface culling. You can look at this example:
http://www.java2s.com/Code/Java/3D/TwistStripAppdemonstratesbackfaceculling.htm