RubberEdge: Reducing Clutching by Combining Position and Rate Control with Elastic Feedback

Géry Casiez 1, 2 Daniel Vogel 3 Qing Pan 1, 2 Christophe Chaillou 2
2 ALCOVE - Collaborative interactive virtual environment
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe, IRCICA
Abstract : Position control devices enable precise selection, but significant clutching degrades performance. Clutching can be reduced with high control-display gain or pointer acceleration, but there are human and device limits. Elastic rate control eliminates clutching completely, but can make precise selection difficult. We show that hybrid position-rate control can outperform position control by 20% when there is significant clutching, even when using pointer acceleration. Unlike previous work, our RubberEdge technique eliminates trajectory and velocity discontinuities. We derive predictive models for position control with clutching and hybrid control, and present a prototype RubberEdge position-rate control device including initial user feedback.
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Géry Casiez, Daniel Vogel, Qing Pan, Christophe Chaillou. RubberEdge: Reducing Clutching by Combining Position and Rate Control with Elastic Feedback. Symposium on User Interface Software and Technology, Oct 2007, Newport, United States. pp.129 - 138, ⟨10.1145/1294211.1294234⟩. ⟨hal-00269408⟩

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