CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The perspective wall: detail and context smoothly integrated
CHI '91 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Virtual reality on a WIM: interactive worlds in miniature
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Worldlets—3D thumbnails for wayfinding in virtual environments
Proceedings of the 10th annual ACM symposium on User interface software and technology
Intuitive control of “bird's eye” overview images for navigation in an enormous virtual environment
VRST '98 Proceedings of the ACM symposium on Virtual reality software and technology
EdgeLens: an interactive method for managing edge congestion in graphs
INFOVIS'03 Proceedings of the Ninth annual IEEE conference on Information visualization
View projection animation for occlusion reduction
Proceedings of the working conference on Advanced visual interfaces
Evaluating the effectiveness of occlusion reduction techniques for 3D virtual environments
Proceedings of the ACM symposium on Virtual reality software and technology
The cost of supporting references in collaborative augmented reality
GI '08 Proceedings of graphics interface 2008
Multimodal selection techniques for dense and occluded 3D virtual environments
International Journal of Human-Computer Studies
ACM SIGGRAPH Asia 2009 papers
Exploring the design space of multiscale 3D orientation
Proceedings of the International Conference on Advanced Visual Interfaces
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Using a 3D virtual environment for information visualization is a promising approach, but can in many cases be plagued by a phenomenon of literally not being able to see the forest for the trees. Some parts of the 3D visualization will inevitably occlude other parts, leading both to loss of efficiency and, more seriously, correctness; users may have to change their viewpoint in a non-trivial way to be able to access hidden objects, and, worse, they may not even discover some of the objects in the visualization due to this inter-object occlusion. In this paper, we present a space distortion interaction technique called the BalloonProbe which, on the user's command, inflates a spherical force field that repels objects around the 3D cursor to the surface of the sphere, separating occluding objects from each other. Inflating and deflating the sphere is performed through smooth animation, ghosted traces showing the displacement of each repelled object. Our prototype implementation uses a 3D cursor for positioning as well as for inflating and deflating the force field ``balloon''. Informal testing suggests that the BalloonProbe is a powerful way of giving users interactive control over occlusion in 3D visualizations.