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Crossing is an alternative to pointing and clicking. By crossing, a user moves the cursor beyond the boundary of a targeted graphical object to select it.


Beyond Fitts' law: models for trajectory-based HCI tasks

Conference: Proceedings of CHI 1997, 1997
By: Johnny Accot, Shumin Zhai

More than dotting the i’s — Foundations for crossing-based interfaces

Conference: Proceedings of CHI 2002, 2002
By: Johnny Accot, Shumin Zhai

Foundations for Designing and Evaluating User Interfaces Based on the Crossing Paradigm

Conference: ACM Transactions, 2008
By: Georg Apiz, François Guimbretière, Shumin Zhai
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Storyboard of Functions