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Large Displays and Multitouch
Bram vandeputte
• Touch Interfaces
• Technical Overview
• Software
• Gestures
Touch Interfaces
Touchpad
Till Nagel, FH Potsdam
Touchscreen
Till Nagel, FH PotsdamTill Nagel, FH Potsdam
Wacom Intuos
Till Nagel, FH PotsdamTill Nagel, FH Potsdam
Wacom Tech Paper Intuos 3
Till Nagel, FH PotsdamTill Nagel, FH Potsdam
Mul<touch
Till Nagel, FH PotsdamTill Nagel, FH Potsdam
JazzMutant Lemur
Till Nagel, FH PotsdamTill Nagel, FH Potsdam
Jeff Han, Percep<ve Pixel
Till Nagel, FH PotsdamTill Nagel, FH Potsdam
Till Nagel, FH Potsdam
“ While the iPhone as a whole may be revolu4onary, the individual elements […] are not.
Bruce TognazziniApple Human Interface Group
Till Nagel, FH Potsdam
MicrosoH Surface
Till Nagel, FH Potsdam
Technical Details
Display
• rear projection
• LCD
• overhead projection
Diffuser Material
Input
• Frustrated Total Internal Reflection (FTIR)
• Diffused Illumination (DI)
• Laser Light Plane (LLP)
• LED Light Plane (LED-LP)
• Diffused Screen Illumination (DSI)
FTIR
DI
LLP/LED-LP
DSI
Experiments• cheap multi touch input : The Box
• The tabletop :
• rear projection (1080p, +/- 110 cm diagonal)
• LLP
MTMini : The Boxhttp://www.youtube.com/watch?v=pQpr3W-YmcQ
Gestures
Tap Drag Rotate Scale
Zoom Scroll Cluster
Software
• Protocol : TUIO
• Tracker software
• Client libs. (Java, Processing, ...)
Getting Started
• Processing and/or Java
• TUIO libs
• Get TUIO input
• Get example working + start coding !