Rubbing the Fisheye: Precise Touch-Screen Interaction with Gestures and Fisheye Views

Fisheye lenses are powerful tools for visualizing dense data while simultaneously providing focus and context. Unfortunately, target acquisition in fisheye lenses is complicated by magnification effects that make it seem as if objects in the fisheye view are moving when the view is changed. These problems become even more evident with touchscreen–controlled fisheye views, where there is no continuous navigation and pointing is inaccurate. We show how rapid targeting can be facilitated in fisheye views through transparency and additional stabilized representations of the view. We also present rub-pointing, an interaction technique based on simple gestures that allows precise target acquisition in fisheye lenses on touch screens.