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Issue No. 03 - May/June (2010 vol. 16)
ISSN: 1077-2626
pp: 468-483
Niklas Elmqvist , Purdue University, West Lafayette
Yann Riche , Independant Researcher, Seattle
Nathalie Henry-Riche , Microsoft Research, Redmond
Jean-Daniel Fekete , INRIA Saclay, INRIA/LRI, Paris
Navigating in large geometric spaces—such as maps, social networks, or long documents—typically requires a sequence of pan and zoom actions. However, this strategy is often ineffective and cumbersome, especially when trying to study and compare several distant objects. We propose a new distortion technique that folds the intervening space to guarantee visibility of multiple focus regions. The folds themselves show contextual information and support unfolding and paging interactions. We conducted a study comparing the space-folding technique to existing approaches and found that participants performed significantly better with the new technique. We also describe how to implement this distortion technique and give an in-depth case study on how to apply it to the visualization of large-scale 1D time-series data.
Interaction, visualization, navigation, exploration, folding, split screen, space distortion, focus+context.

Y. Riche, J. Fekete, N. Henry-Riche and N. Elmqvist, "Mélange: Space Folding for Visual Exploration," in IEEE Transactions on Visualization & Computer Graphics, vol. 16, no. , pp. 468-483, 2009.
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