Extending Fitts' law to two-dimensional tasks
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Beyond Fitts' law: models for trajectory-based HCI tasks
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
More than dotting the i's --- foundations for crossing-based interfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shorthand writing on stylus keyboard
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Refining Fitts' law models for bivariate pointing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
VisionWand: interaction techniques for large displays using a passive wand tracked in 3D
Proceedings of the 16th annual ACM symposium on User interface software and technology
CrossY: a crossing-based drawing application
Proceedings of the 17th annual ACM symposium on User interface software and technology
Measuring the difficulty of steering through corners
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Modeling pointing at targets of arbitrary shapes
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Modeling human performance of pen stroke gestures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 21st annual ACM symposium on User interface software and technology
Hand occlusion with tablet-sized direct pen input
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Foundations for designing and evaluating user interfaces based on the crossing paradigm
ACM Transactions on Computer-Human Interaction (TOCHI)
Improving stylus interaction for eMedical forms
Proceedings of the 22nd Conference of the Computer-Human Interaction Special Interest Group of Australia on Computer-Human Interaction
Designing a multi-slate reading environment to support active reading activities
ACM Transactions on Computer-Human Interaction (TOCHI)
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We present an empirical analysis of crossing-based dialog boxes. First, we study the spatial constraints required for efficient crossing-based interactions in the case of a simple multi-parameter dialog box. Through a series of 3 tasks, we establish the minimal value of the landing margin, the takeoff margin, and the column width. We also offer an estimation of the role of stroke shape on user performance. After studying the reasons for errors during our experiment, we propose a relaxed crossing semantic that combines aspects of pointing and crossing-based interfaces. To test our design, we compare a naïve dialog box implementation with our new implementation, as well as a standard point-and-click dialog box. Our results reveal that there is not a significant difference between the naïve crossing implementation and the standard point-and-click interface and that the new crossing semantic is faster than both the naïve crossing implementation and the point-and-click interface, despite a higher error rate. Together these two experiments establish that crossing-based dialog boxes can be as spatially efficient and faster than their point-and-click counterpart. Our new semantic provides the first step towards a smooth transition from point-and-click interfaces to crossing-based interfaces.