The United States Patent and Trademark Office has recently awarded SIFT researcher, Jeff Rye, his 6th, 7th and 8th patents for "Systems and methods for changing view perspective in 3-D graphical displays of buildings with stepped rotation" patent number 7,728,853; "Systems and methods for rendering building spaces," patent number 7,705,863; and "Synthetic vision final approach terrain fading," patent number 7,719,483.