DiamondSpin: an extensible toolkit for around-the-table interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Territoriality in collaborative tabletop workspaces
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Considering Reach in Tangible and Table Top Design
TABLETOP '06 Proceedings of the First IEEE International Workshop on Horizontal Interactive Human-Computer Systems
Gesture Registration, Relaxation, and Reuse for Multi-Point Direct-Touch Surfaces
TABLETOP '06 Proceedings of the First IEEE International Workshop on Horizontal Interactive Human-Computer Systems
Territoriality in collaborative tabletop workspaces
Territoriality in collaborative tabletop workspaces
Modeling reach for use in user interface design
AUIC '07 Proceedings of the eight Australasian conference on User interface - Volume 64
Modeling reach for use in user interface design
AUIC '07 Proceedings of the eight Australasian conference on User interface - Volume 64
From entry to access: how shareability comes about
DPPI '07 Proceedings of the 2007 conference on Designing pleasurable products and interfaces
Collaboration and interference: awareness with mice or touch input
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Proceedings of the 8th International Conference on Interaction Design and Children
HCII'11 Proceedings of the 14th international conference on Human-computer interaction: interaction techniques and environments - Volume Part II
Pointable: an in-air pointing technique to manipulate out-of-reach targets on tabletops
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Supporting offline activities on interactive surfaces
Proceedings of the 7th International Conference on Tangible, Embedded and Embodied Interaction
A remote pointing technique using pull-out
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: interaction modalities and techniques - Volume Part IV
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The HCI community currently faces the problem of making tangible user interfaces actively responsive to their user's current physical context. This paper explores the context of direct manipulation user interfaces for large horizontal interactive displays. Knowledge of users' reach provides direct manipulation user interfaces with a powerful tool for contextualizing and predicting user action. This paper introduces users' reach as a formal way to predict the previously observed phenomena of workspace segmentation and territoriality. By creating models of "reach-ability", reach probability surfaces can be generated which further explain the impact on workspace usage of the shape, height, and position of the workspace. As the presented techniques build on formal qualitative and mathematical models of reach, they lend themselves particularly well to an algorithmic implementation suited to driving complex user interface behaviour. This paper presents the results of an initial user study to determine the accuracy of these predictions and their underlying hypotheses about reaches role in shaping workspace usage.