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The decorations for the walls were modelled in SketchUp and transformed into flat shapes using the Pepakura Software. The different fragments were then laser cut in thick cardboard. Assembling the pieces wasn’t easy, but with patience and small nails, acrylic foam and other remedies they were put onto the wall and fastened.
They used six 4000 lumen Acer projectors for covering the two walls. They were mounted below the ceiling to cover 11 by 3 meters on each wall. The connections were made using HDMI cables. The longest stretch was approximately 15 meters – about the furthest you can go without amplification.
A Mac Pro with an ATI Radeon 5870 graphics card was connected to two TrippleHead2Go devices. On the machine, Madmapper handled the precise mapping of pre rendered graphics to the physical shapes. But apart from that a box was created with buttons that allows the employees to switch between the different prerecorded video loops. The box was created using an Arduino board that communicates with Max/MSP on the computer. Max/MSP handles the timing, fading and switching between modes and forwards a midi signal to MadMapper which then reacts by switching between between presets. Also it was a requirement that a VJ should be able to connect to the system. The VJ switches to a setting on the Arduino box and plugs in a DVI cable. This mode is handled by a Blackmagic capture card that forwards the VJ signal into Milumin. Here the VJ signal is adjusted to the dimensions of the walls (the signal is tiled and mirrored) and the output from Milumin is then via Syphon put into MadMapper.
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