I have created a simulated RADAR system which shows the RADAR returns on a HUD in realtime. The HUD is displaying the returns in 2D, but can be changed to 3D if the camera in the HUD scene is changed.
The .blend file was created in Blender 2.57.
Radar_Dish_08.blend (1.38 MB)
If you improve this .blend file, or script, please post and share those improvements on this thread. This script is a work-in-progress, so check this thread for any future updates of this script.
Also, please post any suggestions and/or comments for this script.