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Magic Bowl: A Tangible User Interface for Configuration of Interactive Environments

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Magic Bowl: A Tangible User Interface for Configuration of Interactive Environments Maria Cron , Erik Eliasson, Johan Mattsson, Pawe Wiatr Royal Institute of ... – PowerPoint PPT presentation

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Title: Magic Bowl: A Tangible User Interface for Configuration of Interactive Environments


1
Magic Bowl A Tangible User Interface for
Configuration of Interactive Environments
  • Maria Croné, Erik Eliasson,
  • Johan Mattsson, Pawel Wiatr
  • Royal Institute of Technology (KTH),
  • Stockholm University
  • Sweden

2
Overview
  • iLounge
  • Tangibility in Collaborative Interactive Work
    Spaces
  • Magic Bowl

3
iLounge
4
iLounge
  • An Interactive Work space at KTH Stockholm,
    Sweden
  • The equipment in iLounge includes
  • Three touch sensitive wall-mounted displays
  • Interactive table with a built-in touch screen
  • Wireless network to support integration of
    laptops or PDA's brought into the work session
  • Customizable lighting, curtains, and background
    sound etc.
  • Alternative input devices
  • Event coordination infrastructure

5
iLounge infrastructure
  • The interactions in iLounge are coordinated
    through the iROS/EventHeap
  • Coordination of Events which are triggered by any
    device in the environment
  • iROS provides applications that support
    co-workers interactions with large shared
    displays and between personal devices
  • By using the available common wireless mice or
    keyboards
  • By redirecting the mouse and keyboard from a
    personal wireless networked device
  • By easy sharing and fetching documents and data
    between personal devices and shared devices
  • iStuff, alternative post desktop user interface
    devices
  • Decoupled and re-applied wireless interaction
    elements
  • E.g. wireless push-buttons (iButtons)

6
Tangibility in Collaborative Interactive Work
Spaces
  • Physically and concretely shared presence
  • Tangible interfaces makes the interactions
    predictive and visible to the co-workers
  • Symbolic re-creation of imperceptible couplings
    between applications or devices
  • Peripheral but socially noticeable expression of
    considerably essential interactions
  • Enabling a social protocol for interaction
  • Manipulations and interaction with physical
    artefacts should communicate your actions to both
    humans and machines

7
Design motivation
  • Apart from touch screens and conventional input
    devices user interactions were explored using
    wireless buttons (iButtons)
  • Experiences with iButtons has shown problems
    with
  • Feedback
  • Latency
  • Symbolism

8
Feedback
  • Users need immediate feedback to know that the
    proper action has been taken by the system
  • Feedback is important to make the users feel
    confident in the functionality of the room and to
    avoid the problems associated with latency

9
Latency
  • The communication between components and the
    hardware devices introduces latencies that
    sometimes become noticeable or even unacceptable
    by the end users
  • Long latencies cause the users to press the
    buttons repeatedly until the system responds,
    these actions resulted in toggling features on
    and off several times
  • That further increased latencies, and overloaded
    the event system

10
Symbolism
  • The push buttons did not have any obvious mapping
    to their associated actions
  • We have designed a system that allows the user to
    map different symbolical objects to different
    functions, projects and settings
  • With the push buttons it was hard to represent
    activation or inactivation of a function or
    setting
  • We have also introduced the notion of putting the
    object in an active mode by placing it in the
    Magic Bowl as an physical representation of the
    active settings

11
The Magic Bowl design
  • A bowl where functions are represented by
    physical objects placed in it
  • Anything can be used and configured as a physical
    icon to represent functions or setups
  • The bowl with the physical icons in it represents
    the set of currently activated settings

12
The Magic Bowl Implementation
13
Future Work
  • The infrastructure is event driven and does not
    accumulate the resulting work setting
  • Recording and re-creation of session settings
  • Provide a more dynamic way of handling project
    sessions and their work setup
  • Handling of isolated functions
  • Sand grains as physical icons?

14
Further information
  • http//www.dsv.su.se/fuse
  • http//iwork.stanford.edu
  • http//ilounge.ssvl.kth.se
  • johanm,mariac_at_dsv.su.se,
  • eliasson,pawel_at_it.kth.se

15
Questions?
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