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    Visualization-by-Sketching offers a creative interface for designing data visualizations. This direct-manipulation tool makes complex data visualization accessible to visual experts, fostering artistic exploration.

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    Area of Science:

    • Human-Computer Interaction
    • Information Visualization
    • Computer Graphics

    Background:

    • Designing data visualizations traditionally requires technical expertise.
    • Existing tools often lack intuitive interfaces for creative exploration.
    • Bridging the gap between artistic skill and data visualization design is a key challenge.

    Purpose of the Study:

    • To introduce Visualization-by-Sketching, a novel direct-manipulation interface for data visualization design.
    • To make the creation of animated, data-driven visualizations accessible to artists and designers.
    • To enhance human creativity in visualization design through artistic workflows.

    Main Methods:

    • Developed a direct-manipulation user interface integrating sketching, digital painting, and image editing concepts.
    • Implemented algorithms to interpret painterly input for data visualization creation.
    • Enabled interactive exploration of large, multivariate datasets through layered 2D graphics.

    Main Results:

    • Demonstrated the rapid recreation of diverse multivariate data visualization techniques.
    • Artists and designers successfully used the interface for visualization creation.
    • Positive feedback highlighted the potential to engage creative users and maintain creative flow.

    Conclusions:

    • Visualization-by-Sketching effectively lowers the barrier to entry for data visualization design.
    • The interface supports artistic workflows, fostering creativity and experimentation.
    • This approach can attract new users to visualization design and improve effectiveness.