patrick baudisch
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screenshot showing icons stretching towards a dragged icon Each valid target icon in the direction of the drag motion creates a linked tip icon that approaches the dragged object

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Drag-and-pop and drag-and-pick are interaction techniques designed for users of pen- and touch-operated display systems. They provide users with access to screen content that would otherwise be impossible or hard to reach, e.g., because it is located behind a bezel or far away from the user. Drag-and-pop is an extension of traditional drag-and-drop. As the user starts dragging an icon towards some target icon, drag-and-pop responds by temporarily moving potential target icons towards the userís current cursor location, thereby allowing the user to interact with these icons using comparably small hand movements. Drag-and-Pick extends the drag-and-pop interaction style such that it allows activating icons, e.g., to open folders or launch applications. We conducted a user study comparing drag-and-pop with traditional drag-and-drop on a 15í (4.50m) wide interactive display wall. Participants where able to file icons up to 3.7 times faster when using the drag-and-pop interface.

Baudisch, P., Cutrell, E., Robbins, D., Czerwinski, M., Tandler, P. Bederson, B., and Zierlinger, A.
Drag-and-Pop and Drag-and-Pick: Techniques for Accessing Remote Screen Content on Touch- and Pen-operated Systems.
In Proceedings of Interact 2003, Zurich Switzerland, August 2003, pp. 57-64.
PDF (0.4M) | PPT (5.4M) | MPG (50M) | citations

Push-and-pop is a follow-up technique that combines the strengths of drag-and-pop with the push-and-throw technique, which allows it to create a more stable layout of target icons. Download the demo from Maxime Collomb's page.
Collomb, M., Hascoet, M., Baudisch, P., and Lee, B.
Improving drag-and-drop on wall-size displays.
In Proceedings of GI 2005, Victoria, BC, May 2005, pp 25-32.
PDF (0.7M) | AVI (18M) | PPT (3.0M zip) | PPT and videos (4.3M zip)

Phosphor is a generalization of the theory behind the drag-and-pop rubber bands

Baudisch, P., Tan, D., Collomb, M., Robbins, D., Hinckley, K., Agrawala, M., Zhao, S., and Ramos, G.
Phosphor: Explaining Transitions in the User Interface Using Afterglow Effects.
In Proceedings of UIST 2006, Montreux, Switzerland, Oct 15-18, 2006, pp. 169-174.
PDF (2.8M) | PPT (10.5M) AVI/DIVX (1.0M)


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