Hi all, I'm rendering a mesh by considering the opacity mode, but back-faces still appear even using the BackfaceCullingOn() method. How can I solve this problem? Thanks in advance. -- View this message in context: http://www.nabble.com/Opacity-and-BackfaceCulling-tp20174697p20174697.html Sent from the VTK - Users mailing list archive at Nabble.com.