Carr, D., Jog, N., Kumar, H., Teittinen, M.
September 1994
HCIL-94-09, CS-TR-3344, CAR-TR-734, ISR-TR-94-69
This document describes five widgets that have been developed at the Human-Computer Interaction Laboratory of the University of Maryland. These widgets are: a range selection slider, a two-level alpha-slider, a secure switch, a tree viewer, and a treemap viewer. The last two use the same tree representation and can be used as alternate visualizations of the same hierarchy. In addition, a system for widget specification is introduced and each widget is specified using this system.
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