Beyond Fitts' law: models for trajectory-based HCI tasks
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Scale effects in steering law tasks
Proceedings of the 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
Presence: Teleoperators and Virtual Environments - Special issue: IEEE VR 2003
Hover widgets: using the tracking state to extend the capabilities of pen-operated devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Modeling steering within above-the-surface interaction layers
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A simple method for estimating the latency of interactive, real-time graphics simulations
Proceedings of the 2008 ACM symposium on Virtual reality software and technology
Revisiting path steering for 3D manipulation tasks
3DUI '10 Proceedings of the 2010 IEEE Symposium on 3D User Interfaces
Information capacity of full-body movements
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Hi-index | 0.00 |
Path steering is a primitive 3D interaction task that requires the user to navigate through a path of a given length and width. In a previous paper, we have conducted controlled experiments in which users operated a pen input device to steer a cursor through a 3D path subject to fixed path properties, such as path length, width, curvature and orientation. From the experimental data we have derived a model which describes the efficiency of the task. In this paper, we focus on studying the movement velocity of 3D manipulation path steering when one or more path properties vary during the task. We have performed a repeated measures design experiment of 8 scenarios, including a scenario in which all path properties were kept constant, 3 scenarios in which the path width, curvature and orientation varied, 3 scenarios of varying two path properties, and 1 scenario of varying all properties. The analysis of our experimental data indicates that a path of varying orientation or width results in a low average steering velocity. During a continuous steering, the joint where a change in path curvature or orientation takes place also significantly decreases the velocity. In addition, path width and curvature are highly-correlated to the average velocity of a segment, i.e. the wider a segment (or the smaller the path curvature), the larger the average steering velocity on that segment. The results of this work could serve as guidelines for designing higher level interaction techniques and better user interfaces for traditional HCI tasks, e.g. 2D or 3D nested-menu navigation.