What is the post-perspective space? Does it mean the space after perspective transformation? The word of "post-perpspective space" exists in the paper of "Parallel-Split Shadow Maps for Large-sclae Virtual Environments". http://appsrv.cse.cuhk.edu.hk/~fzhang/pssm_vrcia/ [Edited by - akira32 on March 6, 2008 1:59:00 AM]