Hi:

 

This is a simple fictitious 3D radar screen representation of the air traffic nearby an airport. The observer is moving in a circle around the airport. The idea is to feed the spherical coordinates of the planes and observe the aerial situation in 3D. Built with Processing 1.5.1 (P3D)

 

video here: http://www.youtube.com/watch?v=V0tR0Azjg2Y