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Bubble Clusters: An Interface for Manipulating Spatial Aggregation of Graphical Objects

By Nayuko Watanabe, Motoi Washida and Takeo Igarashi

Abstract

Spatial layout is frequently used for managing loosely organized information, such as desktop icons and digital ink. To help users organize this type of information efficiently, we propose an interface for manipulating spatial aggregations of objects. The aggregated objects are automatically recognized as a group, and the group structure is visualized as a two-dimensional bubble surface that surrounds the objects. Users can drag, copy, or delete a group by operating on the bubble. Furthermore, to help pick out individual objects in a dense aggregation, the system spreads the objects to avoid overlapping when requested. This paper describes the design of this interface and its implementation. We tested our technique in icon grouping and ink relocation tasks and observed improvements in user performance. ACM Classification: H5.2 [Information interfaces and presentation]: User Interfaces – Graphical user interfaces

Topics: General terms, Design, Human Factors Keywords, spatial layout, direct manipulation, clustering
Year: 2008
OAI identifier: oai:CiteSeerX.psu:10.1.1.133.9632
Provided by: CiteSeerX
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