Among other things the following link gives an exceedingly good tutorial on how to test to see if a triangle is within a set of bounding planes. This technique could be used to calculate view frustum culling and to help calculate occlusion culling.
http://www.flipcode.com/askmid/ Dave Yazel =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".