US Patent 7197719 Graphical user interface for detail-in-context presentations

A method for displaying a region of interest within visual information on a display screen of a computer, the region of interest including a focal region and a base region. The method includes the steps of: providing means for selecting at least one parameter for transforming at least one of the region of interest, the focal region, and the base region; selecting the parameter using the means for selecting; transforming the visual information in accordance with a predetermined distortion function and the parameter to produce transformed visual information; and, displaying the transformed visual information on the display screen.