Harpoon selection: efficient selections for ungrouped content on large pen-based surfaces

  • Authors:
  • Jakob Leitner;Michael Haller

  • Affiliations:
  • Media Interaction Lab, Hagenberg, Austria;Media Interaction Lab, Hagenberg, Austria

  • Venue:
  • Proceedings of the 24th annual ACM symposium on User interface software and technology
  • Year:
  • 2011

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Abstract

In this paper, we present the Harpoon selection tool, a novel selection technique specifically designed for interactive whiteboards. The tool combines area cursors and crossing to perform complex selections amongst a large number of unsorted, ungrouped items. It is optimized for large-scale pen-based surfaces and works well in both dense and sparse surroundings. We describe a list of key features relevant to the design of the tool and provide a detailed description of both the mechanics as well as the feedback of the tool. The results of a user study are described and analyzed to confirm our design. The study shows that the Harpoon tool performs significantly faster than Tapping and Lassoing.