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Eric A. Bier, Maureen Stone, Ken Pier, William Buxton, Tony D. DeRose
Abstract:
Toolglass widgets are new user interface tools that can appear,
as though on a transparent sheet of glass, between an application
and a traditional cursor. They can be positioned with one hand while
the other positions the cursor. The widgets provide a rich and concise
vocabulary for operating on application objects. These widgets may
incorporate visual filters, called Magic Lens filters, that modify
teh presentation of application objects to reveal hidden information...
Available in the Proceedings of SIGGRAPH 1993.