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Spring 2004, Volume 3, Number 1, Pages 36-48
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Original Article
Feel the information with VisPad: a large area vibrotactile device
Doanna Weissgerber1, Bruce Bridgeman2 and Alex Pang1

1Computer Science, Computer Science Department, University of California, Santa Cruz, CA U.S.A.

2Psychology and Psychobiology, Psychology Department, University of California, Santa Cruz, CA, U.S.A.

Correspondence to: Alex Pang, Computer Science, University of California, Computer Science Department, Santa Cruz, CA 95064, U.S.A. Tel: +1 831 459 2712; Fax: +1 831 459 4829; E-mail: pang@soe.ucsc.edu

Abstract

A new haptics design for visualizing data is constructed out of commodity massage pads and custom controllers and interfaces to a computer. It is an output device for information that can be transmitted to a user who sits on the pad. Two unique properties of the design are: (a) its large feedback area and (b) its passive nature, where unlike most current haptics devices, the user's hands are free to work on other things. To test how useful such a device is for visualizing data, we added the VisPad interface to our protein structure-alignment program (ProtAlign) and performed usability studies. The studies demonstrated that information could be perceived significantly faster utilizing our multi-modal presentation compared to vision-based graphical visualization alone.

Information Visualization (2004) 3, 36-48. doi:10.1057/palgrave.ivs.9500060

Keywords

Haptics; usability study; bioinformatics; multi-modal; user interface

Received 13 July 2003; revised 15 October 2003; accepted 15 October 2003
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