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Toolglass and magic lenses: the see-through interface Eric A. Bier, Maureen Stone, Ken Pier, William Buxton, Tony D. DeRose August 1993 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 ... [more] Available in the Proceedings of SIGGRAPH 1993. |
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A geometric characterization of parametric cubic curves Maureen Stone, Tony D. DeRose July 1989 In this paper, we analyze planar parametric cubic curves to determine conditions for loops, cusps, or inflection points. By expressing the curve to be analyzed as a linear combination of control points, it can be transformed such that three of the control points are mapped to specific locations on the ... [more] Available in Transaction on Graphics, Vol 8, No 3, July 1989. |