1. Large Displays and
Multitouch
Bram vandeputte

2. • Touch Interfaces
• Technical Overview
• Software
• Gestures

3. Touch Interfaces

4. Touchpad
Till
Nagel,
FH
Potsdam

5. Touchscreen
Till
Nagel,
FH
PotsdamTill
Nagel,
FH
Potsdam

6. Wacom
Intuos
Till
Nagel,
FH
PotsdamTill
Nagel,
FH
Potsdam

7. Wacom
Tech
Paper
Intuos
3
Till
Nagel,
FH
PotsdamTill
Nagel,
FH
Potsdam

8. Mul<touch
Till
Nagel,
FH
PotsdamTill
Nagel,
FH
Potsdam

9. JazzMutant
Lemur
Till
Nagel,
FH
PotsdamTill
Nagel,
FH
Potsdam

10. Jeff
Han,
Percep<ve
Pixel
Till
Nagel,
FH
PotsdamTill
Nagel,
FH
Potsdam

11. Till
Nagel,
FH
Potsdam

12. “While
the
iPhone
as
a
whole
may
be
revolu4onary,
the
individual
elements
[…]
are
not.
Bruce
Tognazzini
Apple
Human
Interface
Group
Till
Nagel,
FH
Potsdam

13. MicrosoH
Surface
Till
Nagel,
FH
Potsdam

14. Technical Details

15. Display
• rear projection
• LCD
• overhead projection

16. Diffuser Material

17. Input
• Frustrated Total Internal Reflection
(FTIR)
• Diffused Illumination (DI)
• Laser Light Plane (LLP)
• LED Light Plane (LED-LP)
• Diffused Screen Illumination (DSI)

18. FTIR

19. DI

20. LLP/LED-LP

21. DSI

22. Experiments
• cheap multi touch input :The Box
• The tabletop :
• rear projection (1080p, +/- 110 cm
diagonal)
• LLP

23. MTMini :The Box
http://www.youtube.com/watch?v=pQpr3W-YmcQ

24. Gestures

25. Tap Drag Rotate Scale
Zoom Scroll Cluster

26. Software
• Protocol :TUIO
• Tracker software
• Client libs. (Java, Processing, ...)

27. Getting Started
• Processing and/or Java
• TUIO libs
• Get TUIO input
• Get example working + start coding !