Interactive Mural (V 4.0)
Designed  for close-up interaction
6’x4’ 64dpi seamless screen (9 Megapixel)
4x3 DLP projector array
Sub-pixel tile alignment
Direct pen input device
Ultrasonic pen with command button
High power rendering engine
9 Mpixels
32 dual-processors rendering cluster
WireGL as a rendering language [Humphreys 01]