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A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
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Shared Surfaces and Spaces: Collaborative Data Visualisation in a Co-located Immersive Environment.

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    This study explored collaborative visual data analysis using immersive technologies. Participants used FIESTA (Free-roaming Immersive Environment to Support Team-based Analysis) to create and arrange visualizations freely in a shared virtual space.

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    Area of Science:

    • Human-Computer Interaction
    • Data Visualization
    • Immersive Analytics

    Background:

    • Immersive technologies enable personal, high-resolution views for collaborative visual data analysis.
    • Prior research often focused on surface interfaces (tabletops, walls) for collaborative immersive analytics.

    Purpose of the Study:

    • To investigate how teams structure shared workspaces using flexible authoring tools in an immersive environment.
    • To understand user behavior and interaction patterns with visualizations in a free-roaming virtual space.

    Main Methods:

    • A prototype system, FIESTA (Free-roaming Immersive Environment to Support Team-based Analysis), was developed.
    • Teams of three co-located participants used FIESTA to perform visual analytics tasks on multivariate data.
    • Participants created numerous 2D and 3D visualizations, positioning them freely in the virtual environment.

    Main Results:

    • Visualization surface usage correlated with visualization type: walls for 2D, surrounding space for 3D.
    • Participants freely positioned authoring interfaces and visualization artifacts.
    • Social protocols influenced interaction; users avoided visualizations not belonging to them outside of tightly-coupled collaboration.

    Conclusions:

    • FIESTA supports flexible workspace structuring for collaborative visual data analysis in immersive environments.
    • User behavior indicates distinct strategies for organizing 2D and 3D visualizations.
    • Social norms play a role in managing shared virtual spaces and data ownership.