In my application I am simulating what can be seen from a real, calibrated camera. For this camera the center of projection (the eyepoint in Java3D terminology) does not necessarily lie at the center of the image. I can see how this can be modelled using compatibilty mode but 1) this complicates the code a little and 2) I am concerned about the problems of portability mentioned in the documentation. Being relatively new to Java3D I am unsure whether there is a more principled way of off-centering the eyepoint. One trick, although very inefficient, is to render a much larger image with a centered eyepoint and then crop the image to the pixels corresponding to my off-centered camera. Any comments would be appreciated. Anthony. =========================================================================== 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".